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<!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Transitional//EN" "http://www.w3.org/TR/xhtml1/DTD/xhtml1-transitional.dtd">
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   See the License for the specific language governing permissions and
   limitations under the License.
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<html><head><title>Apache Axis2/C - Manual</title></head>
<body>
<h2>Preamble</h2>
<p style="margin-bottom: 0in;">This document is intended
to be a reference
manual for <a href="http://axis.apache.org/axis2/c/core/" class="externalLink" title="External Link">Apache
Axis2/C</a>. This
manual details how Axis2/C can be used to provide and consume Web
services.</p>
<p style="margin-bottom: 0in;">Please send your feedback
to the Apache Axis2/C
developer mailing list (<a href="mailto:c-dev@axis.apache.org">c-dev@axis.apache.org</a>).
Subscription
details are available on the <a href="http://axis.apache.org/axis2/c/core/mail-lists.html" class="externalLink" title="External Link">Apache
Axis2/C website</a>.</p>
<p>This document uses the following conventions:</p>
<ul>
<li>The directory each package is installed in is given with an
"_INSTALL_DIR" suffix to the package name. For example, the path in
which Libxml2 is installed is referred to as LIBXML2_INSTALL_DIR</li>
</ul>
<p style="margin-bottom: 0in;"><br />
</p>
<div class="section"><a name="Axis2_C_Manual_-_Contents"></a>
<h2>Axis2/C Manual - Contents</h2>
<ol>
<li><a href="#quick_start">Quick Start Guide</a></li>
<li><a href="#repo_folder">Repository Folder</a></li>
<li><a href="#svc_api">Service API</a></li>
<li><a href="#client_api">Client API</a></li>
<li><a href="#rest">REST</a></li>
<li><a href="#mtom">MTOM</a></li>
<li><a href="#engaging_module">Engaging a Module</a></li>
<li><a href="#ws_addressing">WS-Addressing</a></li>
<li><a href="#writing_module">Writing a Module</a></li>
<li><a href="#simple_axis_server">Simple Axis
Server</a></li>
<li><a href="#mod_axis2">Deploying with Apache2
HTTP Web Server</a></li>
<li><a href="#IIS">Deploying with Microsoft IIS
Server</a></li>
<li><a href="#ssl_client">Using SSL Client</a></li>
<li><a href="#proxy">Using Proxy Support</a></li>
<li><a href="#proxy_auth">Using Proxy
Authentication Support</a></li>
<li><a href="#http_auth">Using HTTP Authentication
Support</a></li>
<li><a href="#wsdl2c">WSDL2C Tool</a></li>
<li><a href="#tcptrans">TCP Transport</a></li>
<li><a href="#amqptrans">AMQP Transport</a></li>
<li><a href="#archive">Archive Based Deployment</a></li>
<li><a href="#tcpmon">TCPMon Tool</a></li>
<li><a href="#appA">Appendix A - axis2.xml</a></li>
<li><a href="#appB">Appendix B - services.xml</a></li>
<li><a href="#appC">Appendix C - module.xml</a></li>
<li><a href="#appD">Appendix D - service client
options</a></li>
</ol>
<p style="margin-bottom: 0in;"><br />
</p>
<p><a name="quick_start"></a></p>
</div>
<div class="section"><a name="1__Quick_Start_Guide"></a>
<h2>1. Quick Start Guide</h2>
<p>This section is aimed to help you get a Web service running in
a short
time using Axis2/C, and consume that service using an Axis2/C client.</p>
<p>First, <a href="http://axis.apache.org/axis2/c/core/download.cgi" class="externalLink" title="External Link">download</a>
the latest binary release from Apache Axis2/C. Once you download the
correct
binary that suits your platform, all that you require to get it running
is to
extract the package to a folder of your choice, and set the AXIS2C_HOME
environment variable to point to this extracted folder. For Linux, you
may
have to set the LD_LIBRARY_PATH environment variable to include the lib
folder (e.g. add $AXIS2C_HOME/lib). For MS Windows, you will have to
add the
lib folder to your PATH variable to include the Axis2/C DLLs to your
path.</p>
<p>Now you should be able to change the directory to the bin
folder of the
extracted folder, and run the simple axis server in one command shell.
Then
change the directory to samples/bin in another command shell and run
any of
the samples there (you may have to set the environment variables in
this new
shell as well). Please see the <a href="http://axis.apache.org/axis2/c/core/docs/installationguide.html" class="externalLink" title="External Link">installation
guide</a> for more details.</p>
<p>Once you have Axis2/C up and running successfully, you can
start writing
your own services and clients. The following sections explain how to
write
your first service and client with Axis2/C.</p>
<div class="subsection"><a name="1_1_Hello_Service"></a>
<h3>1.1 Hello Service</h3>
<p>Let's see how you can write your first Web service with
Axis2/C and how to
deploy it.</p>
<p>The first service that we are going to write is named "hello"
with a
single operation named "greet" in the service. This "greet" operation,
when
invoked by the client, will expect the client to send a greeting in the
request, and in turn send a greeting in the response. Following are
examples
of XML payloads exchanged between the client and the service:</p>
<p>Request:</p>
<div class="source">
<pre> &lt;greet&gt;<br /> Hello Service!<br /> &lt;greet&gt;<br /><br /></pre>
</div>
<p>Response:</p>
<div class="source">
<pre> &lt;greetResponse&gt;<br /> Hello Client!<br /> &lt;greetResponse&gt;<br /></pre>
</div>
<br />
<p>The steps to be followed when implementing a service with
Axis2/C
include:</p>
<ol>
<li><b>Implement the functions corresponding to the
operations of the service.</b> <br />
In our sample, we will have one function that implements the "greet"
operation. <br />
We will name that function <code>axis2_hello_greet</code>.</li>
<li><b>Implement the functions defined by the <code>axis2_svc_skeleton</code>
interface</b><br />
<code>axis2_svc_skeleton</code> interface expects the
functions <code>init</code>, <code>invoke</code>,
<code>on_fault</code> and <code>free</code>
to be implemented by our service.<br />
In our sample, we would implement those and name them as <code>hello_init</code>,
<code>hello_invoke</code>, <code>hello_on_fault</code>
and <code>hello_free</code> respectively.<br />
</li>
<li><b>Implement the create function, that would create
an instance of the service skeleton</b><br />
The create function would create an axis2_svc_skeleton and assign the
respective function pointers to map the axis2_svc_skeleton interface to
our interface implementation methods explained in the above step.<br />
</li>
<li><b>Implement axis2_get_instance and
axis2_remove_instance functions</b><br />
These functions are used to create and destroy service instances by the
engine, and each service must define these functions.<br />
</li>
<li><b>Write the services.xml file for the service</b><br />
The services.xml file acts as the deployment descriptor file for the
service. As the bare minimum, we need to configure the service name,
operations, and the shared library file name containing the service
implementation in this file.<br />
As previously decided, we will name the service "hello", the operation
"greet" and the shared library libhello.so on Linux and hello.dll on MS
Windows.<br />
</li>
</ol>
</div>
<div class="subsection"><a name="1_1_1_Operation_Implementation"></a>
<h3>1.1.1 Operation Implementation</h3>
<p>Look for the <code>axis2_hello_greet</code>
function in the <a href="hello/service/hello_svc.c.html">hello_svc.c</a>
source file.</p>
<p>This function implements the business logic for the greet
operation. We
will be calling this function from our implementation of the invoke
function.
Basically, this function receives the request payload as an
<code>axiom_node</code>, process it to understand the
request logic, and
prepares the response as an <code>axiom_node</code> and
returns that.</p>
</div>
<div class="subsection"><a name="1_1_2_Skeleton_Create_Method"></a>
<h3>1.1.2 Skeleton Create Method</h3>
<p>Look for the <code>axis2_hello_create</code>
function in the <a href="hello/service/hello_svc.c.html">hello_svc.c</a>
source file.</p>
<p>The create function creates and returns a new
<code>axis2_svc_skeleton</code> instance. The most
important aspect to note
about this function is the function pointer assignments. They are used
to map
the interface operations to the corresponding functions of the
implementation. This is done by assigning the ops member of the service
skeleton to the address of the ops struct variable.</p>
</div>
<div class="subsection"><a name="1_1_3_Invoking_Operation_Implementation"></a>
<h3>1.1.3 Invoking Operation Implementation</h3>
<p>The invoke method of the service skeleton is the point of
entry for
invoking the operations. Hence in our implementation of the invoke
function,
we have to define how the operations are to be called.</p>
<p>Look for the <code>hello_invoke</code> function
in the <a href="hello/service/hello_svc.c.html">hello_svc.c</a>
source file.</p>
<p>In our implementation of the <code>hello_invoke</code>,
we call the
function implementing the greet operation. As we have only one
operation, the
task is simple here. If we had multiple operations, we will have to
look into
the information in the message context to map it to the exact
operation. <br />
The Axis2/C engine will call the invoke method with an
<code>axiom_node</code>, containing the request payload,
and
<code>axis2_msg_ctx</code> instance, containing the message
context
information, in addition to the service skeleton and the environment
pointers. We can use the message context to extract whatever
information we
deem necessary that is related to the incoming message. The Axis2/C
engine
expects the invoke method to return a pointer to an <code>axiom_node</code>,
representing the response payload.</p>
</div>
<div class="subsection"><a name="1_1_4_Full_Source"></a>
<h3>1.1.4 Full Source</h3>
<p>Here is the complete source code for the service : <a href="hello/service/hello_svc.c.html">hello_svc.c</a></p>
</div>
<div class="subsection"><a name="1_1_5_Service_Descriptor"></a>
<h3>1.1.5 Service Descriptor</h3>
<p>The services.xml file contains details on the service that
would be read
by the Axis2/C deployment engine during server start up time. The
following
shows the contents for the services.xml file for the hello service.</p>
<div class="source">
<pre>&lt;service name="hello"&gt;<br /> &lt;parameter name="ServiceClass" locked="xsd:false"&gt;hello&lt;/parameter&gt;<br /> &lt;description&gt;<br /> Quick start guide hello service sample.<br /> &lt;/description&gt;<br /> &lt;operation name="greet"/&gt;<br />&lt;/service&gt;<br /><br /></pre>
</div>
<p>The service configuration shown above specifies that the name
of the
service is hello. <br />
The value of the "ServiceClass", "hello" in this case, will be mapped
to the
service implementation by the deployment engine as libhello.so on Linux
or
hello.dll on MS Windows. The description element contains a brief
description
of the service. <br />
There can be one or more operation elements. For this sample, we only
have
one operation, with the name "greet".<br />
</p>
</div>
<div class="subsection"><a name="1_1_6_Compiling_the_Service"></a>
<h3>1.1.6 Compiling the Service</h3>
<p>You can compile the service sample as shown below.</p>
<p>On Linux:</p>
<div class="source">
<pre>gcc -shared -olibhello.so -I$AXIS2C_HOME/include/axis2-1.7.0/ -L$AXIS2C_HOME/lib -laxutil -laxis2_axiom -laxis2_parser -laxis2_engine -lpthread -laxis2_http_sender -laxis2_http_receiver hello_svc.c<br /><br /></pre>
</div>
<p>On MS Windows:</p>
<p>to compile,</p>
<div class="source">
<pre>cl.exe /D "WIN32" /D "_WINDOWS" /D "_MBCS" /D "AXIS2_DECLARE_EXPORT" /D "AXIS2_SVR_MULTI_THREADED" /w /nologo /I %AXIS2C_HOME%\include /c hello_svc.c<br /><br /></pre>
</div>
<p>to link,</p>
<div class="source">
<pre>link.exe /nologo /LIBPATH:%AXIS2C_HOME%\lib axutil.lib axiom.lib axis2_parser.lib axis2_engine.lib /DLL /OUT:hello.dll *.obj<br /><br /></pre>
</div>
</div>
<div class="subsection"><a name="1_1_7_Deploying_the_Service"></a>
<h3>1.1.7 Deploying the Service</h3>
<p>To make the service available to be consumed by the clients,
we have to
deploy the service. To deploy the service, you have to create a folder
named
'hello' in the AXIS2C_HOME/services folder, and copy the services.xml
file
and the shared library file (libhello.so on Linux or hello.dll on MS
Windows)
into that folder.</p>
<p>To verify that your service has been correctly deployed, you
can start the
simple axis server and then browse the list of deployed services using
a Web
browser. To start the simple axis server, you can go to the
AXIS2C_HOME/bin
folder and run the executable axis2_http_server. The default URL that
you can
test the service list with is <a href="http://localhost:9090/axis2/services" class="externalLink" title="External Link">http://localhost:9090/axis2/services</a>.
You should get an entry for the hello service on the page that is
displayed.</p>
</div>
<div class="subsection"><a name="1_1_8_Providing_a_WSDL_for_the_Service"></a>
<h3>1.1.8 Providing a WSDL for the Service</h3>
<p>Axis2/C does not support dynamic WSDL generation. However, it
is possible to attach the contract you used to generate the service
skeleton, to the respective service. This can be done in two ways.</p>
<ol>
<li>Adding the WSDL file to the folder in which the service DLL
is found.
</li>
<li>Providing the path of the WSDL file in the services.xml.
</li>
</ol>
<p>If you choose the first option, you will have to copy the WSDL
file to the folder in which the service DLL is found. The name of the
WSDL file should be the name of the service. And, if you choose the
second option, you will have to make use of the <b><code>wsdl_path</code></b>
parameter in the services.xml file. More info on how this can be done
is found under the <a href="#appB">services.xml</a>
section.</p>
<p>An example of the second option can be found the services.xml
of the <b>echo</b> sample service, which is commented. An
example of the first option in use is seen in the <b>Calculator</b>
sample service.</p>
<p>The static WSDL file can be accessed by appending <code>?wsdl</code>
to the service end-point. You can view the WSDL provided for the
Calculator sample, by pointing to <a href="http://localhost:9090/axis2/services/Calculator?wsdl" class="externalLink" title="External Link">http://localhost:9090/axis2/services/Calculator?wsdl</a>.</p>
</div>
<div class="subsection"><a name="1_2_Hello_Client"></a>
<h3>1.2 Hello Client</h3>
<p>Now that you know how to write a service with Axis2/C, let's
see how to
write a client to consume that service. The request payload that the
client
will be sending to the service was described in the previous section.
The
client has to prepare the payload, send it to the service, and then
receive
and process the response.</p>
<p>The steps to be followed when implementing a client with
Axis2/C:</p>
<ol>
<li><b>Create the environment to be used by the client.</b>
<br />
Each function in Axis2/C takes a pointer to the environment instance
that encapsulates the memory allocator, error handler, and logging and
threading mechanisms. The <code>axutil_env_create_all</code>
method can be used to create a default, ready to use environment
instance.<br />
</li>
<li><b>Create an options instance, and set options</b>.<br />
The<code> axis2_options</code> struct can be used to set
the client side options. For example, we can use options to set the
endpoint address of the service to be consumed by the client.</li>
<li><b>Create a service client instance, giving the
client repository folder as a parameter.</b><br />
The<code> axis2_svc_client</code> struct is meant to be
used by the users to consume Web services. It provides an easy to use
API. Service client create method takes the location of the repository
as a parameter. For the purpose of our sample, you can use the
AXIS2C_HOME as the repository. The concept of <a href="#repo_folder">repository</a>
is explained in detail in a later section.<br />
</li>
<li><b>Set options to service client instance</b><br />
The options created in an earlier step have to be set on the service
client, indicating the options that are meant to be used by the service
client.<br />
</li>
<li><b>Send the request and receive the response</b><br />
The service client's <code>axis2_svc_client_send_receive</code>
method can be used to invoke the send receive operation on the service
client instance.<br />
The send receive operation takes the request payload as an <code>axiom_node</code>
and returns the response payload as an <code>axiom_node</code>.</li>
<li><b>Process the response</b><br />
Process the response in line with the client business logic.</li>
</ol>
</div>
<div class="subsection"><a name="1_2_1_Creating_and_Setting_Options"></a>
<h3>1.2.1 Creating and Setting Options</h3>
<div class="source">
<pre> options = axis2_options_create(env);<br /> address = "http://localhost:9090/axis2/services/hello";<br /> endpoint_ref = axis2_endpoint_ref_create(env, address);<br /> axis2_options_set_to(options, env, endpoint_ref);<br /><br /></pre>
</div>
<p>In the above section of code, an <code>axis2_options</code>
instance is
created first. Then an endpoint reference instance is created with the
address of the location of the service. Finally, the created endpoint
is set
as the "to" address of the options. The "to" address indicates where
the
request should be sent to.</p>
</div>
<div class="subsection"><a name="1_2_2_Using_Service_Client"></a>
<h3>1.2.2 Using Service Client</h3>
<div class="source">
<pre> svc_client = axis2_svc_client_create(env, client_home);<br /> axis2_svc_client_set_options(svc_client, env, options);<br /> payload = build_om_request(env);<br /> ret_node = axis2_svc_client_send_receive(svc_client, env, payload);<br /><br /></pre>
</div>
<p>After creating and preparing the options, the next step is to
create a
service client instance and use it to send the request and receive the
response. The code fragment given above shows how options can be set on
top
of the service client and how to invoke the send receive operation with
a
request payload. Once the response is received, the response payload
will be
stored in the <code>ret_node</code>, which is a pointer to
an
<code>axiom_node</code> that can be used to process the
response further.</p>
</div>
<div class="subsection"><a name="1_2_3_Full_Source"></a>
<h3>1.2.3 Full Source</h3>
<p>Here is the complete source code for the client : <a href="hello/client/hello.c.html">hello.c</a></p>
</div>
<div class="subsection"><a name="1_2_4_Compiling_the_Client"></a>
<h3>1.2.4 Compiling the Client</h3>
<p>You can compile the client sample as shown below.</p>
<p>On Linux:</p>
<div class="source">
<pre>gcc -o hello -I$AXIS2C_HOME/include/axis2-1.7.0/ -L$AXIS2C_HOME/lib -laxutil -laxis2_axiom -laxis2_parser -laxis2_engine -lpthread -laxis2_http_sender -laxis2_http_receiver hello.c -ldl -Wl,--rpath -Wl,$AXIS2C_HOME/lib<br /><br /></pre>
</div>
<p>On MS Windows:</p>
<p>to compile,</p>
<div class="source">
<pre>cl.exe /nologo /D "WIN32" /D "_WINDOWS" /D "_MBCS" /I %AXIS2C_HOME%\include /c hello.c<br /><br /></pre>
</div>
<p>to link,</p>
<div class="source">
<pre>link.exe /LIBPATH:%AXIS2C_HOME%\lib axutil.lib axiom.lib axis2_parser.lib axis2_engine.lib /OUT:hello.exe *.obj<br /><br /></pre>
</div>
</div>
<div class="subsection"><a name="1_2_5_Running_the_Client"></a>
<h3>1.2.5 Running the Client</h3>
<p>To run the client, make sure you start the simple axis server
and then run
the hello executable.</p>
<p style="margin-bottom: 0in;"><br />
</p>
<p><a name="repo_folder"></a></p>
</div>
</div>
<div class="section"><a name="2__Repository_Folder"></a>
<h2>2. Repository Folder</h2>
<p>Repository is a folder where all Axis2/C related
configurations as well as
services and modules are located. The following shows the folder
structure of
the repository:</p>
<img src="images/axis2c_repo.gif" alt="" />
<p>Here the name of the repository folder is axis2c_repo. In your
system, you
can specify any folder name of your choice. There are three sub folders
available in the repository. In addition to that, the axis2.xml
configuration
file is also located in the repository. The following table describes
the
purpose of the repository contents.</p>
<table class="bodyTable">
<caption>Axis2/C Repository Contents</caption><tbody>
<tr class="b">
<th>Folder/File Name</th>
<th>Description</th>
</tr>
<tr class="a">
<td>
<p>lib</p>
</td>
<td>
<p>The lib folder contains the libraries required to run
the Axis2/C engine. While you can afford to have the shared libs of
Axis2/C in a location of your choice, the dynamically loaded shared
libs, parser, transport receiver and transport sender has to be in the
repository lib folder. <br />
It is mandatory that the lib folder is there in the repository.</p>
</td>
</tr>
<tr class="b">
<td>
<p>modules [optional]</p>
</td>
<td>
<p>The modules folder contains the modules deployed with
Axis2/C. Each module deployed will have its own sub folder inside the
modules folder. For example, if the addressing module is deployed, then
there will be a sub folder named addressing inside the modules folder
of the repository.<br />
At deployment, the Axis2/C deployment engine would traverse the modules
folders to find out what modules are available.<br />
The modules folder is optional. If it is empty or non-existent, that
means that there are no deployed modules.</p>
</td>
</tr>
<tr class="a">
<td>
<p>services [optional]</p>
</td>
<td>
<p>The services folder contains the services deployed with
Axis2/C. Each service deployed will have its own sub folder inside the
services folder, or live inside one of the sub folders.<br />
At deployment, the Axis2/C deployment engine will traverse the services
folders to find out what services are available.<br />
The services folder is optional. If it is empty or non-existent, that
means that there are no deployed services.</p>
</td>
</tr>
<tr class="b">
<td>
<p>axis2.xml</p>
</td>
<td>
<p>The axis2.xml file is the configuration file of Axis2/C.<br />
The configuration file is mandatory and must have the name axis2.xml.
It is safe to consider your Axis2/C repository to be the folder in
which you have the axis2.xml file.</p>
</td>
</tr>
</tbody>
</table>
<p>Both clients as well as the services written using Axis2/C can
use the
same repository. However you can use one repository for the server side
and
another one for the client side. The services folder is used only when
the
repository is used by the server side. When the repository is used by
the
client, the services folder, if present, will not be used.</p>
<p>The Axis2/C binary distribution, when extracted, can be
considered as
ready for use as your repository folder. If you are building Axis2/C
from the
source distribution, when you build the source, including the samples,
the
installation destination will be ready for use as your repository
folder.</p>
<p>The simple axis server (that is axis2_http_server binary), the
client
samples, and the HTTPD module (Axis2 Apache2 module) require the
repository
folder to be specified in order to run correctly.</p>
<p></p>
<div class="subsection"><a name="2_1_Module_Folders"></a>
<h3>2.1 Module Folders</h3>
<p>As described earlier, all the modules are placed inside the
modules folder
of the repository, and each module will have its own sub folder within
the
modules folder.<br />
The folder in which a module is placed must have the same name as the
module
name. For example, the addressing module will be placed in a sub folder
named
addressing.<br />
</p>
<p>Inside the folder corresponding to a module, the shared
library
implementing the module and the module configuration file, module.xml,
is
placed. It is a must that these two files are present inside each
folder
representing a module. The module.xml file will be processed by the
deployment engine to find out module specific information such as the
module
name, set of handlers, the flows into which those handlers are to be
added,
etc.</p>
</div>
<div class="subsection"><a name="2_2_Service_Folders"></a>
<h3>2.2 Service Folders</h3>
<p>All the services are placed inside the services folder of the
repository,
and each service will be in one of the sub folders within the services
folder. Axis2/C has a concept called service groups, where there can be
one
or more services inside a service group. A single stand alone service
is
assigned a service group with the same name as that of the service by
the
Axis2/C engine for the purpose of easy handling. Therefore the sub
folders in
the services folder correspond to the service groups.</p>
<p>A service, if deployed as a stand alone service, will reside
inside a
folder with the same name as that of the service. For example, the echo
service will be placed in a sub folder named echo. The shared library
implementing the service and the service configuration file, the
services.xml, will be placed inside the folder corresponding to a
service.
Given the fact that the engine treats the folders to represent service
groups
and not a single service, the configuration file is called
services.xml.
However, you can always place a single service inside a single folder,
which
is the most common use case.</p>
<p>Each sub folder within the services folder should have at
least one shared
lib implementing a service and a services.xml file. If it is a real
service
group, there will be multiple shared libs, yet there is only one
services.xml
file configuring all those services. The services.xml file is processed
by
the deployment engine to find out the service group and the service
specific
information such as the service group name, service name, the set of
operations for each service, etc.</p>
<p style="margin-bottom: 0in;"><br />
</p>
<p><a name="svc_api"></a></p>
</div>
</div>
<div class="section"><a name="3__Service_API"></a>
<h2>3. Service API</h2>
<p>We have already seen how to write a service in the Quick Start
Guide
section of this manual. This section covers the service API of Axis2/C
in
more detail.</p>
<p><code>axis2_svc_skeleton</code> is an interface.
Axis2/C does not provide
any concrete implementation of this interface. It is the responsibility
of
the service implementer to implement this interface. To implement the
interface, you should implement the functions adhering to the function
pointer signatures of the members of the <code>axis2_svc_skeleton_ops</code>
struct. Then, a create function should be written to create an
<code>axis2_svc_skeleton</code> instance, and assign the
implementing
functions to the members of the ops member of service skeleton.</p>
<p>The following table details the signatures of the function
pointer members
of the <code>axis2_svc_skeleton</code> struct implemented
by a service.</p>
<table class="bodyTable">
<caption></caption><tbody>
<tr class="a">
<th>Function Signature</th>
<th>Description</th>
</tr>
<tr class="b">
<td>
<pre>int (AXIS2_CALL *<br /> init)(axis2_svc_skeleton_t *svc_skeleton,<br /> const axutil_env_t *env);</pre>
</td>
<td>Initializes the service skeleton object instance. The
Axis2/C engine initializes a service skeleton instance once per
deployed service, during the first request made to the service.</td>
</tr>
<tr class="a">
<td width="410">
<pre>axiom_node_t *(AXIS2_CALL*<br /> invoke )( axis2_svc_skeleton_t *svc_skeli,<br /> const axutil_env_t *env,<br /> axiom_node_t *node,<br /> axis2_msg_ctx_t *msg_ctx);</pre>
</td>
<td>Invokes the service implementation. You have to
implement the logic to call the correct functions in this method based
on the name of the operation being invoked.</td>
</tr>
<tr class="b">
<td>
<pre>axiom_node_t *(AXIS2_CALL*<br /> on_fault)(<br /> axis2_svc_skeleton_t *svc_skeli,<br /> const axutil_env_t *env,<br /> axiom_node_t *node);</pre>
</td>
<td>This method is called by the engine if a fault is
detected.</td>
</tr>
<tr class="a">
<td>
<pre>axis2_status_t (AXIS2_CALL *<br /> free )( axis2_svc_skeleton_t *svc_skeli,<br /> const axutil_env_t *env);</pre>
</td>
<td>Frees the service implementation instance.</td>
</tr>
</tbody>
</table>
<br />
<p>There are two more methods that a service should implement.
Once a service
is deployed, the message receiver of the Axis2/C engine has to create a
service instance at run time for the purpose of invoking it. For this,
it
looks for a method named <code>axis2_create_instance</code>
and calls it on
the service shared library. The engine also looks for a function named
<code>axis2_remove_instance</code> in the shared library
for clean up
purposes.</p>
<table class="bodyTable">
<caption></caption><tbody>
<tr class="b">
<th>Function Signature</th>
<th>Description</th>
</tr>
<tr class="a">
<td>
<pre>AXIS2_EXPORT int<br />axis2_get_instance(<br /> axis2_svc_skeleton_t ** inst,<br /> const axutil_env_t * env);</pre>
</td>
<td>Creates an instance of the service. You have to
implement the logic of creating the service object, allocating memory
etc. in this method.</td>
</tr>
<tr class="b">
<td width="410">
<pre>AXIS2_EXPORT int<br />axis2_remove_instance(<br /> axis2_svc_skeleton_t * inst,<br /> const axutil_env_t * env);</pre>
</td>
<td>Removes the instance of the service. Do any cleaning-up
and deallocations here.</td>
</tr>
</tbody>
</table>
<br />
<p>Note that service object instantiation happens once per
service. When the
first request is received by the service, a service skeleton instance
is
created and initialized. The same object instance will be re-used by
the
subsequent requests.</p>
<p>You can find an example on how to implement the service
skeleton interface
in the <a href="hello/service/hello_svc.c.html">hello_svc.c</a>
source file,
which is the example used in the <a href="#quick_start">Quick
Start
Guide</a>. More advanced samples can be found in the samples
folder of the
Axis2/C distribution.</p>
<p style="margin-bottom: 0in;"><br />
</p>
<p><a name="client_api"></a></p>
</div>
<div class="section"><a name="4__Client_API"></a>
<h2>4. Client API</h2>
<p>The primary client API to be used with Axis2/C is
<code>axis2_svc_client</code>, the service client API. This
is meant to be an
easy to use API for consuming services. If you want to do more complex
tasks,
such as invoking a client inside a module, or wrap the client API with
another interface, you may need to use <code>axis2_op_client</code>,
the
operation client API. For most of the use cases, the service client API
is
sufficient.</p>
<p>The behavior of the service client can be fine tuned with the
options
passed to the service client. You can set the options by creating an
<code>axis2_options</code> instance. The bare minimum that
you need to set is
the endpoint URI to which the request is to be sent. An example of this
was
given in the <a href="#quick_start">Quick Start Guide
section</a>.</p>
<p>The service client interface serves as the primary client
interface for
consuming services. You can set the options to be used by the service
client
and then invoke an operation on a given service. There are several ways
of
invoking a service operation. The method of invoking an operation
depends on
3 things. They are,</p>
<ol>
<li>The Message Exchange Pattern (MEP)</li>
<li>Synchronous/Asynchronous behavior (Blocking/Non-Blocking)</li>
<li>Two-way or one-way transport</li>
</ol>
<p>Many service operation invocation scenarios can be obtained by
combining
the above three factors. The service client interface provides the
necessary
API calls to achieve this.</p>
<p>Deciding the Message Exchange Pattern (MEP)</p>
<p>There are 2 message exchange patterns.</p>
<ol>
<li>Out-Only</li>
<li>Out-In</li>
</ol>
<p>In the Out-Only MEP, the client doesn't expect a reply from
the server.
The service client provides two methods of using the Out-Only MEP.</p>
<p></p>
<table class="bodyTable">
<caption></caption><tbody>
<tr class="a">
<th>Function Signature</th>
<th>Description</th>
</tr>
<tr class="b">
<td>
<pre>AXIS2_EXTERN void AXIS2_CALL<br /> axis2_svc_client_fire_and_forget(<br /> axis2_svc_client_t * svc_client,<br /> const axutil_env_t * env,<br /> const axiom_node_t * payload);</pre>
</td>
<td>Sends a message and forgets about it. This method is
used to interact with a service operation whose MEP is In-Only. There
is no way of getting an error from the service using this method.
However, you may still get client-side errors, such as host unknown.</td>
</tr>
<tr class="a">
<td width="410">
<pre>AXIS2_EXTERN axis2_status_t AXIS2_CALL<br /> axis2_svc_client_send_robust(<br /> axis2_svc_client_t * svc_client,<br /> const axutil_env_t * env,<br /> const axiom_node_t * payload);</pre>
</td>
<td>This method too is used to interact with a service
operation whose MEP is In-Only. However, unlike <code>axis2_svc_client_fire_and_forget</code>,
this function reports an error back to the caller if a fault triggers
on the server side.<br />
When using Out-In MEP, the client expects a reply from the server. <code>axis2_svc_client_send_receive</code>
and <code> axis2_svc_client_send_receive_non_blocking</code>functions
support this MEP</td>
</tr>
<tr class="b">
<td>
<pre> AXIS2_EXTERN axiom_node_t *AXIS2_CALL<br /> axis2_svc_client_send_receive(<br /> axis2_svc_client_t * svc_client,<br /> const axutil_env_t * env,<br /> const axiom_node_t * payload);</pre>
</td>
<td>This method is used to interact with a service
operation whose MEP is In-Out. It sends an XML request and receives an
XML response.<br />
Returns a pointer to the AXIOM node representing the XML response. This
method blocks the client until the response arrives.</td>
</tr>
<tr class="a">
<td>
<pre>AXIS2_EXTERN void AXIS2_CALL<br /> axis2_svc_client_send_receive_non_blocking(<br /> axis2_svc_client_t * svc_client,<br /> const axutil_env_t * env,<br /> const axiom_node_t * payload,<br /> axis2_callback_t * callback);</pre>
</td>
<td>This method too, is used to interact with a service
operation whose MEP is In-Out. It sends an XML request and receives an
XML response, but the client does not block for the response.<br />
In this method, the client does not block for the response, but instead
it expects the user to set a call back to capture the response.</td>
</tr>
</tbody>
</table>
<br />
<p>Please have a look at the <code>axis2_svc_client.h</code>
header file for
more information on the above mentioned functions, as well as their
synonyms
that accept an operation's qualified name.</p>
<div class="subsection"><a name="4_1_Synchronous_vs__Asynchronous_Behavior__Blocking_Non-Blocking_"></a>
<h3>4.1 Synchronous vs. Asynchronous Behavior
(Blocking/Non-Blocking)</h3>
<p>This will determine whether the client would block for the
response
(synchronous) or return immediately expecting the response to be
handled by a
callback (asynchronous, in other words non-blocking) in an Out-In MEP
scenario.<br />
<code>axis2_svc_client_send_receive</code> operates in
synchronous mode,
whereas <code>axis2_svc_client_send_receive_non_blocking</code>
operates in
asynchronous mode.<br />
</p>
</div>
<div class="subsection"><a name="4_2_Two-Way_or_One-Way_Transport"></a>
<h3>4.2 Two-Way or One-Way Transport</h3>
<p>If the transport is two-way, then only one channel is used,
which means
the request is sent and the response is received on the same channel.
If the
transport is one-way, then the request is sent on one channel and the
response is received on a separate channel.<br />
If we want to use a separate channel for the response, a separate
listener
has to be started to receive the response, This can be done by setting
the
separate listener option to True using the
<code>axis2_options_set_use_separate_listener</code>
function above the
options.</p>
<p>Please have a look at the <code>echo_blocking_dual</code>
sample to see
how to set the separate channel option.</p>
<p>Please see <a href="#appD">Appendix D</a>
for further details on setting
options.</p>
<p style="margin-bottom: 0in;"><br />
</p>
<p><a name="rest"></a></p>
</div>
</div>
<div class="section"><a name="5__REST"></a>
<h2>5. REST</h2>
<p>Axis2/C comes with plain old XML (POX) like REST support. A
given service
can be exposed both as a SOAP service as well as a REST service. By
default,
your service will support SOAP as well as REST, however, your service
operations
will only be available for SOAP. In order to enable REST for your
operations you
need to add one or more parameters under your operation, in the <a href="#appB">services.xml</a>.
If you want to consume Web services using REST style calls, you can use
the HTTP
POST method, the HTTP GET method, the HTTP HEAD method, the HTTP PUT
method or
the HTTP DELETE method.<br />
</p>
</div>
<div class="subsection"><a name="5_1_REST_client"></a>
<h3>5.1 REST on Client Side</h3>
<p>The following example code fragment shows how to set up a
client enabling a REST style
invocation.</p>
<div class="source">
<pre>axis2_options_set_enable_rest(options, env, AXIS2_TRUE);<br /><br /></pre>
</div>
<p>You can use the same code that you use with a SOAP call, and
do REST style
invocation by just enabling REST using the option setting shown above.</p>
<p>The default HTTP method used with REST is HTTP POST. If you
need to change
it to the HTTP GET method, the following needs to be done.</p>
<div class="source">
<pre>axis2_options_set_http_method(options, env, AXIS2_HTTP_GET);<br /><br /></pre>
</div>
<p>Similarly you can use AXIX2_HTTP_HEAD to change it to the HTTP
HEAD method,
or AXIX2_HTTP_PUT to change it to the HTTP PUT method, or
AXIX2_HTTP_DELETE to change it
to the HTTP DELETE method. </p>
<p>Please have a look at the <code>echo_rest</code>
sample for a complete
source code on how to use REST.<br />
</p>
</div>
<div class="subsection"><a name="5_2_REST_server"></a>
<h3>5.2 REST on Server Side</h3>
<p>You basically need to add the REST Location, and the REST
Method parameters to the <a href="#appB">services.xml</a>
to enable REST in a service operation. The REST location is the
template that needs to be matched
to find your operation, and the REST Method is the HTTP Method
associated with the service.
Note that the REST Method is optional for each operation. If no REST
Method is specified, POST,
will be assumed. Optionally you may specify the default REST Method for
all operations at the service
level. Then, if you haven't specified a REST Method for your operation,
the default REST Method
specified will be assumed instead of POST. Please have a look at the <code>echo</code>
sample
service for a complete source code on how to set up REST. Shown below
is an example, on how to
configure the <code>locate</code> operation to work with
HTTP GET on REST.<br />
</p>
<div class="source">
<pre>&lt;operation name="locate"&gt;<br /> &lt;parameter name="RESTMethod"&gt;GET&lt;/parameter&gt;<br /> &lt;parameter name="RESTLocation"&gt;location/{lat}/{long}&lt;/parameter&gt;<br />&lt;/operation&gt;<br /><br /></pre>
</div>
<p>The corresponding request would look like, <code>http://www.sample.org/service/location/34N/118W</code>,
which would return Los Angeles, California. In here, the portion <code>location</code>
is fixed and <code>lat</code> and <code>long</code>
are optional parameters which will be captured to the payload.
<br />
</p>
</div>
<div class="subsection"><a name="5_3_REST_and_SOAP_for_same_operation"></a>
<h3>5.3 REST and SOAP for Same Operation</h3>
<p>It is also possible to enable a single service operation for
SOAP as well as REST. This can be done by specifying a REST Location
that does not contain the operation name. The <code>locate</code>
operation is an example to such a case. Thus, for a SOAP invocation,
you need to use <code>http://www.sample.org/service/locate</code>,
as the end point or WS-Addressing Action.</p>
<p style="margin-bottom: 0in;"><br />
</p>
<p><a name="mtom"></a></p>
</div>
<div class="section"><a name="6__MTOM"></a>
<h2>6. MTOM</h2>
<p>Axis2/C allows you to send and receive binary data with SOAP
messages
using MTOM/XOP conventions. When sending and receiving attachments, you
have
to use the service client (<code>axis2_svc_client</code>)
API to perform the
send and receive operations, and provide or consume binary data in
relation
to the AXIOM payloads.</p>
<p>In order to send a binary attachment, you need to build the
AXIOM payload
and attach the data handler with binary content to the payload.</p>
<div class="source">
<pre>&lt;soapenv:Body&gt;<br /> &lt;ns1:mtomSample xmlns:ns1="http://ws.apache.org/axis2/c/samples/mtom"&gt;<br /> &lt;ns1:fileName&gt;test.jpg&lt;/ns1:fileName&gt;<br /> &lt;ns1:image&gt;<br /> &lt;xop:Include xmlns:xop="http://www.w3.org/2004/08/xop/include" <br /> href="cid:1.f399248e-8b39-1db1-3124-0015c53de2e5@apache.org"&gt;&lt;/xop:Include&gt;<br /> &lt;/ns1:image&gt;<br /> &lt;/ns1:mtomSample&gt;<br />&lt;/soapenv:Body&gt;<br /><br /></pre>
</div>
<p>In the above sample payload shown, we place our image file as
text within
an image element</p>
<div class="source">
<pre>image_om_ele = axiom_element_create(env, mtom_om_node, "image", ns1, &amp;image_om_node);<br />data_handler = axiom_data_handler_create(env, image_name, "image/jpeg");<br />data_text = axiom_text_create_with_data_handler(env, image_om_node, data_handler, &amp;data_om_node);<br /><br /></pre>
</div>
<p>When sending attachments, you can configure the client either
to send the
attachment in the optimized format or non-optimized format.</p>
<p>To do this, set the option <code>axis2_options_set_enable_mtom(options,
env, AXIS2_TRUE);</code>or the setting
<code>&lt;enableMtom&gt;true&lt;/enableMtom&gt; </code>in
axis2.xml</p>
<p>If enableMTOM is set to True, the attachment is sent as it is,
out of the
SOAP body, using MIME headers. Also the payload will have an
XOP:Include
element, referring to the MIME part that contains the binary
attachment.
Sending the attachment as it is, in pure binary format, is called
binary
optimized format. In the case of binary non-optimized format, where
enableMTOM is False, the attachment content is sent in the payload
itself, as
a base64 encoded string.</p><h3><span style="font-weight: bold;">6.1 Using MTOM Callbacks</span></h3>Axis2/C
Can send and receive very large attachments with a very low memory foot
print. User can specify callbacks to load attachments before sending
and store attachments while recieving.<br /><h4>6.1.1 Sender side Callback</h4>The attachment can be loaded from any data source. User need to implement the callback using <a href="http://svn.apache.org/repos/asf/webservices/axis2/trunk/c/axiom/include/axiom_mtom_sending_callback.h">axiom_mtom_sending_callback.h</a>. A &nbsp;sample Callback can be found <a href="http://svn.apache.org/repos/asf/webservices/axis2/trunk/c/samples/mtom_sending_callback/mtom_sending_callback.c">here</a>. Following is what need to be done with data_handler in the case of a callback.<br />&nbsp;<br /><span style="font-family: monospace;">data_handler = axiom_data_handler_create(env, NULL,&nbsp;content-type);</span><br style="font-family: monospace;" /><span style="font-family: monospace;">axiom_data_handler_set_data_handler_type(data_handler, env, AXIOM_DATA_HANDLER_TYPE_CALLBACK);</span><br style="font-family: monospace;" /><span style="font-family: monospace;">axiom_data_handler_set_user_param(data_handler, env, (void *)user_param);</span><p>user_param
is of any type which the user should know how to handle from the
callback. The path to the implemented callback should be specified in
the axis2.xml as follows.</p><p><span style="font-family: monospace;">&lt;parameter name="MTOMSendingCallback" locked="false"&gt;/path/to/the/attachment_sending_callback&lt;/parameter&gt;</span></p><h4><span style="font-family: monospace;"></span><span style="font-weight: bold;">6.1.2 Receiver side callback</span></h4><p>For
large attachments users can specify them to be cached either to a file
or to a any storage. In order to enable caching user should set either "attachmentDir" or "MTOMCachingCallback<span style="font-family: monospace;"></span>"
parameters in the axis2.xml. If both are set the callback will be used.
If nothing is set attachment will reside in memory.&nbsp;</p><p>Following is an example of specifying the attachmentDir.</p><p style="font-family: monospace;">&lt;parameter name="attachmentDIR" locked="false"&gt;/path/to/the/dir/&lt;/parameter&gt;</p><p>So the attachments will be saved
in the specified directory using the attachment content id as the file
name.</p><p>In the callback case the callback should be implemented using <a href="http://svn.apache.org/repos/asf/webservices/axis2/trunk/c/axiom/include/axiom_mtom_caching_callback.h">axiom_mtom_caching_callback.h</a>. The following paramter will enbale the caching callback.</p><p><span style="font-family: monospace;">&lt;parameter name="MTOMCachingCallback" locked="false"&gt;/path/to/the/attachment_caching_callback&lt;/parameter&gt;</span></p>A sample callback implementation can be found <a href="http://svn.apache.org/repos/asf/webservices/axis2/trunk/c/samples/mtom_caching_callback/mtom_caching_callback.c">here</a>.<p>Axis2/C
allows&nbsp;to set the caching threshold. The default is 1MB. For
example to cache attachments which are greater than 10MB in size user
need to add the following directive in axis2.xml.</p><p> <span style="font-family: monospace;">&lt;parameter name="MTOMBufferSize" locked="false"&gt;10&lt;/parameter&gt;</span></p><p><span style="font-family: monospace;"></span>This will give the control to the users to use the availbale memory even with larger attachments.</p><p>When the attachment is cached the ultimate receiver can always identify it by calling ,</p><p style="font-family: monospace;">if (axiom_data_handler_get_cached(data_handler, env))<br />{<br />&nbsp;&nbsp;&nbsp; /* logic for attachment handling */<br />}</p>
<p>The logic on how to handle the attachment will depend on the mechanism which is used to cached the attachment.</p><p>Please have a look at the MTOM related samples in the Axis2/C samples directory.</p><br />

<p><a name="engaging_module"></a></p>
</div>
<div class="section"><a name="7__Engaging_a_Module"></a>
<h2>7. Engaging a Module</h2>
<p>A module is a set of handlers that helps to extend the message
processing
behavior of the Axis2/C engine. Modules have the concepts of being
Available
and Engaged associated with them. Available means modules are deployed
in the
system but not activated. They will be activated only after being
engaged.
Every module comes with its own module.xml file . This module.xml file
specifies the module specific handlers and the phases into which the
handlers
are to be placed in the handler chain. Some of the module specific
handlers
may be put into system predefined phases. In that case, the module.xml
file
should specify where to put the handlers relative to the others in that
phase. Sometimes a module may define its own phase. In that case, some
of the
module specific handlers may be put into that phase. The handlers added
to
the system predefined phases (global handlers) are invoked for every
message
that comes to or goes out from the system. The handlers in the module
specific phase are invoked only for the messages invoking the
operations that
engage that module. Engaging a module means correctly adding the
handlers of
a particular module to one or more phases. Once the module is engaged,
the
handlers and the operations defined in the module are added to the
entity
that engaged them.</p>
<p>Before engaging a module, the following steps have to be
followed.</p>
<ol>
<li>Write the module.xml file</li>
<li>Package the module libraries and the module.xml into a
folder which has the same name as the module</li>
<li>Deploy the folder in AXIS2C_INSTALL_DIR/modules</li>
<li>Add the module specific phases in the axis2.xml file</li>
</ol>
<p>The following is an example of engaging a sample module called
the logging
module with Axis2/C:</p>
<div class="subsection"><a name="7_1_Writing_the_module_xml_File"></a>
<h3>7.1 Writing the module.xml File</h3>
<p>In the module.xml file, the handlers of the module and the
phases to which
they are to be added have to be specified. Below is the module.xml file
of
the sample logging module.</p>
<div class="source">
<pre> &lt;module name="logging" class="axis2_mod_log"&gt;<br /> &lt;inflow&gt;<br /> &lt;handler name="LoggingInHandler" class="axis2_mod_log"&gt;<br /> &lt;order phase="PreDispatch"/&gt;<br /> &lt;/handler&gt;<br /> &lt;/inflow&gt;<br /> &lt;outflow&gt;<br /> &lt;handler name="LoggingOutHandler" class="axis2_mod_log"&gt;<br /> &lt;order phase="MessageOut"/&gt;<br /> &lt;/handler&gt;<br /> &lt;/outflow&gt;<br /> &lt;Outfaultflow&gt;<br /> &lt;handler name="LoggingOutHandler" class="axis2_mod_log"&gt;<br /> &lt;order phase="MessageOut"/&gt;<br /> &lt;/handler&gt;<br /> &lt;/Outfaultflow&gt;<br /> &lt;/module&gt;<br /><br /></pre>
</div>
<p>In the above shown module configuration file, the name of the
module is
logging. There are two handlers in this module, the LoggingInHandler
and the
LoggingOutHandler. The LoggingInHandler is placed into the PreDispatch
phase
of the in flow. The LoggingOutHandler is placed into the MessageOut
phase of
both the out flow and the fault out flow.</p>
</div>
<div class="subsection"><a name="7_2_Packaging_and_Deploying_the_Module"></a>
<h3>7.2 Packaging and Deploying the Module</h3>
<p>The above module.xml file should be copied to a folder named
"logging"
(because the module name is "logging") inside the
AXIS2C_INSTALL_DIR/modules
folder. The module libraries containing the handler implementation
should
also be copied to the same folder. According to the module.xml file
shown
above, the name of the shared library file should be
libaxis2_mod_log.so on
Linux and axis2_mod_log.dll on MS Windows.</p>
</div>
<div class="subsection"><a name="7_3_Adding_Module_Specific_Phases_to_the_axis2_xml_File"></a>
<h3>7.3 Adding Module Specific Phases to the axis2.xml File</h3>
<p>Module specific phases have to be added after the system
predefined
phases. The following example shows where to add the module specific
phases.
Look for the <code>phaseOrder</code> elements in the
axis2.xml file. Note the
comment lines:</p>
<div class="source">
<pre> &lt;!-- User defined phases could be added here --&gt;</pre>
</div>
<p>You can add user defined phases after the above comment line
into any of the
flows. The <code>type</code> attribute of the <code>phaseOrder</code>
element
indicates the flow.
</p>
<p>For the logging module example, user defined phases are not
required. All
the module specific handlers are added to system predefined phases as
specified in the module.xml file.</p>
</div>
<div class="subsection"><a name="7_4_Engaging_a_Module_to_a_Services"></a>
<h3>7.4 Engaging a Module to a Services</h3>
<p>The following is an example of engaging the logging module to
the echo
service. This can be done by simply adding <code>&lt;module
ref
="logging"/&gt;</code> in the services.xml file of the echo
service. This
informs the Axis2/C engine that the module "logging" should be engaged
for
this service. The handlers inside the module will be executed in their
respective phases as described by the module.xml.</p>
<div class="source">
<pre> &lt;service name="echo"&gt;<br /> &lt;module ref ="logging"/&gt;<br /> &lt;parameter name="ServiceClass" locked="xsd:false"&gt;echo&lt;/parameter&gt;<br /> &lt;description&gt;<br /> This is a testing service, to test if the system is working or not.<br /> &lt;/description&gt;<br /> &lt;operation name="echoString"&gt;<br /> &lt;!--messageReceiver class="axis2_receivers" /--&gt;<br /> &lt;parameter name="wsamapping" &gt;<br /> http://ws.apache.org/axis2/c/samples/echoString<br /> &lt;/parameter&gt;<br /> &lt;/operation&gt;<br /> &lt;/service&gt;<br /><br /></pre>
</div>
<p>One important thing to note here is that because the logging
module's
handlers are placed into the global phases, even though the logging
module is
engaged only to the echo service, the module will be engaged globally.
This
is a feature of the Axis2 architecture, not a bug. When invoked, the
handlers
in a module can check whether the module has been engaged to a
particular
service, and act accordingly.</p>
</div>
<div class="subsection"><a name="7_4_1_Engaging_a_Module_Globally"></a>
<h3>7.4.1 Engaging a Module Globally</h3>
<p>If we want to engage a module for every service deployed in
the Axis2/C
system, we can add the <code>&lt;module ref
="logging"/&gt;</code> entry in
the axis2.xml file. This will inform the Axis2/C engine to invoke the
handlers associated with the module for every message coming in or
going out
for all the services deployed.</p>
</div>
<div class="subsection"><a name="7_5_Engaging_a_Module_on_the_Client_Side"></a>
<h3>7.5 Engaging a Module on the Client Side</h3>
<p>On the client side, if <code>&lt;module ref
="logging"/&gt;</code> is
added in the axis2.xml, the handlers specific to the logging module
will be
invoked for every request the client sends and every response the
client
receives. If only a particular client wants to engage the module, it
can be
done by engaging the module programmatically. This can be done by
adding the
following line in the client code after setting the options.</p>
<div class="source">
<pre>axis2_svc_client_engage_module(svc_client, env, "module-name");<br /><br /></pre>
</div>
<p>Remember to replace "module-name" with the name of the module
you want to
engage. For example to engage the logging module you can use:</p>
<div class="source">
<pre>axis2_svc_client_engage_module(svc_client, env, "logging");<br /><br /></pre>
</div>
<p style="margin-bottom: 0in;"><br />
</p>
<p><a name="ws_addressing"></a></p>
</div>
</div>
<div class="section"><a name="8__WS-Addressing"></a>
<h2>8. WS-Addressing</h2>
<p><a href="http://www.w3.org/2002/ws/addr/" class="externalLink" title="External Link">WS-Addressing</a>
provides
mechanisms to address Web services and messages. With Axis2/C, you can
use
both WS-Addressing <a href="http://www.w3.org/TR/ws-addr-core/" class="externalLink" title="External Link">version
1.0</a> as well as the <a href="http://www.w3.org/Submission/ws-addressing/" class="externalLink" title="External Link">submission
version</a>.</p>
<p>WS-Addressing is implemented as a module in Axis2/C. Hence as
explained in
the previous section, the addressing module can be engaged both on the
client
side as well as on the server side.</p>
<p>The WS-Addressing module can be globally engaged by adding the
<code>&lt;module ref="addressing"/&gt;</code> line
to the axis2.xml file.</p>
<p>The WS-Addressing module can also be programmatically engaged
using the
following line of code with the service client API <br />
</p>
<div class="source">
<pre>axis2_svc_client_engage_module(svc_client, env, AXIS2_MODULE_ADDRESSING);<br /><br /></pre>
</div>
<p>WS-Addressing related options can be set using the
<code>axis2_options</code> struct instance on the client
side. If the
addressing module is engaged, there are no options to be set on the
server
side. The server will employ WS-Addressing if the incoming requests
have
WS-Addressing headers.</p>
<p>There is a mandatory requirement for using WS-Addressing on
the client
side with Axis2/C. That is to set a WS-Addressing action that
represents the
operation to be invoked. Example:</p>
<div class="source">
<pre>axis2_options_set_action(options,env,"http://ws.apache.org/axis2/c/samples/echoString")<br /><br /></pre>
</div>
<p>In addition to the action, which is mandatory, there are other
WS-Addressing related headers that can be sent in a message. Axis2/C
supports
to set those headers as options at the client level. The following
functions
are used to set them.</p>
<div class="source">
<pre>axis2_options_set_reply_to(options, env, reply_to)<br /><br /></pre>
</div>
<p>Sets the <code>wsa:ReplyTo</code> header. The
ReplyTo header contains the
endpoint to send reply messages. The ReplyTo header is required when
the
response comes in a separate channel (when using a dual channel).</p>
<div class="source">
<pre>axis2_options_set_fault_to(options, env, fault_to)<br /><br /></pre>
</div>
<p>Sets the <code>wsa:FaultTo</code> header. This
contains the endpoint to
direct fault messages.</p>
<div class="source">
<pre>axis2_options_set_from(options, env, from)<br /><br /></pre>
</div>
<p>Sometimes the receiving endpoint requires to know the original
sender of
the message. The <code>wsa:From</code> header is used in
such cases. The
above function sets the From header.</p>
<div class="source">
<pre>axis2_options_set_relates_to(options, env, relates_to)<br /><br /></pre>
</div>
<p>Sets the <code>wsa:RelatesTo</code> header. This
header contains a unique
ID which is the message ID of a previously exchanged message. It helps
to
identify a previous message that relates to the current message.</p>
<p style="margin-bottom: 0in;"><br />
</p>
<p><a name="writing_module"></a></p>
</div>
<div class="section"><a name="9__Writing_a_Module"></a>
<h2>9. Writing a Module</h2>
<p>A module is an extension point in the Axis2/C engine. Modules
are
primarily used to WS-* specifications. In other words, quality of
service
aspects such as security and reliable messaging can be implemented as
modules
and deployed with the Axis2/C engine. <br />
A SOAP message can contain any number of header blocks. These header
blocks
provide various processing information. In Axis2/C, these various
header
blocks are processed by modules. Some times modules may add header
blocks to
a SOAP message.</p>
<p>Normally a module is a collection of handlers. So writing a
module mainly
consists of writing handlers. There are two interfaces that are
important
when writing a module. They are <code>axis2_module</code>
and
<code>axis2_handler<code>.</code></code></p>
<p>Every module should have three basic functions that are
defined as
function pointer members of the <code>axis2_module_ops</code>
struct. This
struct is defined in the <code>axis2_module.h</code>
header file.</p>
<table class="bodyTable">
<caption></caption><tbody>
<tr class="b">
<th>Function Signature</th>
<th>Description</th>
</tr>
<tr class="a">
<td>
<pre>axis2_status_t (AXIS2_CALL * <br /> init)(axis2_module_t *module, const<br /> axutil_env_t *env, <br /> axis2_conf_ctx_t *conf_ctx, <br /> axis2_module_desc_t *module_desc);</pre>
</td>
<td>This function takes care of the module initialization.</td>
</tr>
<tr class="b">
<td width="410">
<pre>axis2_status_t (AXIS2_CALL * <br /> shutdown)(axis2_module_t *module, <br /> const axutil_env_t *env );</pre>
</td>
<td>Shuts down and cleans up the module.</td>
</tr>
<tr class="a">
<td>
<pre>axis2_status_t (AXIS2_CALL *<br /> fill_handler_create_func_map)(axis2_module_t *module, <br /> const axutil_env_t *env );</pre>
</td>
<td>This function fills the hash map of the handler create
functions for the module.</td>
</tr>
</tbody>
</table>
<p>The module developer has to implement functions with the above
signatures
and assign them to the members of an <code>axis2_module_ops</code>
struct
instance. Then that struct instance has to be assigned to the ops
member of
an <code>axis2_module</code> struct instance.</p>
<p><a href="mod_log/mod_log.c.html">mod_log.c</a>
has the source for the
logging module. Please have a look at the <code>axis2_mod_log_create</code>
function in it to see how an <code>axis2_module</code>
instance is allocated
and how the ops are initialized.</p>
<p>The<code> axis2_mod_log_fill_handler_create_func_map</code>
function adds
the handler create functions to the module's hash map, which stores the
handler create functions. In the <a href="mod_log/mod_log.c.html">mod_log.c</a>
example, the logging module adds
two handlers. The in handler and the out handler that deals with
logging
along with the in-flow and out-flow respectively.</p>
<div class="subsection"><a name="9_1_Writing_Handlers"></a>
<h3>9.1 Writing Handlers</h3>
<p>A handler is the smallest unit of execution in the Axis2/C
engine's
execution flow. The engine can have two flows, the in-flow and the
out-flow.
A flow is a collection of phases, and a phase in turn is a collection
of
handlers. A handler is invoked when the phase within which it lives is
invoked. Axis2/C defines an interface called <code>axis2_handler</code>,
which is to be implemented by all the handlers.</p>
<p><a href="mod_log/log_in_handler.c.html">log_in_handler.c</a>
contains the
source code of the in-handler of the logging module. Please have a look
at
the <code>axutil_log_in_handler_create</code> function to
see how an
<code>axis2_handler</code> instance is created and how the
invoke function
implementation, <code>axis2_log_in_handler_invoke</code>
is assigned to the
<code>axis2_handler</code> invoke function pointer. The
invoke is called to
do the actual work assigned to the handler. The phase that owns the
handler
is responsible for calling the invoke function of the handler.</p>
<p><a href="mod_log/log_out_handler.c.html">log_out_handler.c</a>
contains
the source code of the out handler of the logging module. The
implementation
is similar to the in handler, except that it is placed along the
out-flow
when deployed.</p>
</div>
<div class="subsection"><a name="9_2_Writing_the_module_xml_File"></a>
<h3>9.2 Writing the module.xml File</h3>
<p>After writing the module, the module.xml file should be
written. The
module.xml file contains all the configuration details for a particular
module. Please see the sample <a href="mod_log/module.xml">module.xml</a>
file for the logging module.</p>
<p>Please see the <a href="#engaging_module">Engaging
a Module</a> section
for more details on how to package and deploy the module.</p>
<p style="margin-bottom: 0in;"><br />
</p>
<p><a name="simple_axis_server"></a></p>
</div>
</div>
<div class="section"><a name="10__Simple_Axis2_HTTP__Server"></a>
<h2>10. Simple Axis2 HTTP Server</h2>
<p>Simple Axis2 HTTP Server is the inbuilt HTTP server of Axis2/C.<br />
</p>
<div class="subsection"><a name="10_1_Linux_Based_Systems"></a>
<h3>10.1 Linux Based Systems</h3>
<p>Synopsis :</p>
<div class="source">
<pre> axis2_http_server [-p PORT] [-t TIMEOUT] [-r REPO_PATH] [-l LOG_LEVEL] [-f LOG_FILE] [-s LOG_FILE_SIZE]<br /><br /></pre>
</div>
<p>You can use the following options with simple axis HTTP server.</p>
<div class="source">
<pre> -p PORT port number to use, default port is 9090<br /> -r REPO_PATH repository path, default is ../<br /> -t TIMEOUT socket read timeout, default is 30 seconds<br /> -l LOG_LEVEL log level, available log levels:<br /> 0 - critical 1 - errors 2 - warnings<br /> 3 - information 4 - debug 5- user 6 - trace<br /> Default log level is 4(debug).<br /> -f LOG_FILE log file, default is $AXIS2C_HOME/logs/axis2.log<br /> or axis2.log in current folder if AXIS2C_HOME not set<br /> -s LOG_FILE_SIZE Maximum log file size in mega bytes, default maximum size is 1MB.<br /> -h display the help screen.<br /><br /></pre>
</div>
<p>Example :</p>
<div class="source">
<pre> axis2_http_server -l 3 -p 8080 -r $AXIS2C_HOME -f /dev/stderr<br /><br /></pre>
</div>
</div>
<div class="subsection"><a name="10_2_MS_Windows_Based_Systems"></a>
<h3>10.2 MS Windows Based Systems</h3>
<p>Synopsis :</p>
<div class="source">
<pre> axis2_http_server.exe [-p PORT] [-t TIMEOUT] [-r REPO_PATH] [-l LOG_LEVEL] [-f LOG_FILE] [-s LOG_FILE_SIZE]<br /><br /></pre>
</div>
<p>You can use the following options with simple axis HTTP server.</p>
<div class="source">
<pre> -p PORT port number to use, default port is 9090<br /> -r REPO_PATH repository path, default is ../<br /> -t TIMEOUT socket read timeout, default is 30 seconds<br /> -l LOG_LEVEL log level, available log levels:<br /> 0 - critical 1 - errors 2 - warnings<br /> 3 - information 4 - debug 5- user 6 - trace<br /> Default log level is 4(debug).<br /> -f LOG_FILE log file, default is %AXIS2C_HOME%\logs\axis2.log<br /> or axis2.log in current folder if AXIS2C_HOME not set<br /> -s LOG_FILE_SIZE Maximum log file size in mega bytes, default maximum size is 1MB.<br /> -h display the help screen.<br /><br /></pre>
</div>
<p>Example :</p>
<div class="source">
<pre> axis2_http_server.exe -l 3 -p 8080 -r %AXIS2C_HOME% -f C:\logs\error.log<br /><br /></pre>
</div>
<p style="margin-bottom: 0in;"><br />
</p>
<p><a name="mod_axis2"></a></p>
</div>
</div>
<div class="section"><a name="11__Deploying_with_Apache_HTTP_Server_Version_2_x"></a>
<h2>11. Deploying with Apache HTTP Server Version 2.x</h2>
<div class="subsection"><a name="11_1_Linux_Platform"></a>
<h3>11.1 Linux Platform</h3>
<p>To build Axis2/C with the Apache HTTP server module, also
called
mod_axis2, you need to provide the following configuration options on
the
Linux platform:</p>
<div class="source">
<pre>./configure --with-apache2=[path to Apache2 include directory] [other configure options]<br /><br /></pre>
</div>
<p><font color="#666666">NOTE: Some Apache2
distributions, specially
development versions, install APR (Apache Portable Run-time) include
files in
a separate location. In that case, to build mod_axis2, use:</font></p>
<div class="source">
<pre>./configure --with-apache2=[path to Apache2 include directory] --with-apr=[path to APR include directory]<br /> [other configure options]<br /><br /></pre>
</div>
<p>Then build the source tree as usual using:</p>
<div class="source">
<pre> make<br /> make install<br /><br /></pre>
</div>
<p>This will install mod_axis2.so into your
AXIS2C_INSTALL_DIR/lib folder.</p>
</div>
<div class="subsection"><a name="11_2_MS_Windows_Platform"></a>
<h3>11.2 MS Windows Platform</h3>
<p>On the MS Windows platform, you have to provide the Apache2
install
location in the configure.in file with the setting APACHE_BIN_DIR.
Example:</p>
<div class="source">
<pre>APACHE_BIN_DIR = "C:\Program Files\Apache Software Foundation\Apache2.2"<br /><br /></pre>
</div>
<p>Based on the Apache HTTP server version you are using, you
also need to
set the setting APACHE_VERSION_2_0_X in the configure.in file. If
you are
using Apache 2.2 family, this setting should be set to 0,else set it to
1.</p>
<div class="source">
<pre>APACHE_VERSION_2_0_X = 0<br /><br /></pre>
</div>
<p>To build the source, you have to run the command</p>
<div class="source">
<pre>nmake axis2_apache_module</pre>
</div>
<p>This will build mod_axis2.dll and copy it to
AXIS2C_INSTALL_DIR\lib directory.
</p>
</div>
<div class="subsection"><a name="11_3_Deploying_mod_axis2"></a>
<h3>11.3 Deploying mod_axis2</h3>
<p><font color="#666666">NOTE: To execute some of
the commands given below,
you might require super user privileges on your machine. If you are
using the binary release of Axis2/C, please note that it is built with
Apache 2.2.</font></p>
<p>Copy the mod_axis2 shared library <font color="#4169e1">(libmod_axis2.so.0.7.0
on Linux and mod_axis2.dll on MS
Windows)</font> to the Apache2 modules directory as mod_axis2.so</p>
<p>On Linux</p>
<div class="source">
<pre>	cp $AXIS2C_HOME/lib/libmod_axis2.so.0.7.0 /usr/lib/apache2/modules/mod_axis2.so<br /></pre>
</div>
<p>On MS Windows</p>
<div class="source">
<pre>	copy /Y "%AXIS2C_HOME%\lib\mod_axis2.dll" C:\Apache2\modules\mod_axis2.so<br /><br /></pre>
</div>
<p>Edit the Apache2's configuration file (generally httpd.conf)
and add the
following directives at the end of the file.</p>
<div class="source">
<pre>LoadModule axis2_module MOD_AXIS2_SO_PATH<br />Axis2RepoPath AXIS2C_INSTALL_DIR<br />Axis2LogFile PATH_TO_LOG_FILE<br />Axis2LogLevel LOG_LEVEL<br />Axis2ServiceURLPrefix PREFIX<br />Axis2MaxLogFileSize SIZE_IN_MB<br />&lt;Location /axis2&gt;<br /> SetHandler axis2_module<br />&lt;/Location&gt;<br /><br /></pre>
</div>
<p>Please note that you have to fine tune the above settings to
mach your
system.<br />
<br />
MOD_AXIS2_SO_PATH has to be replaced with the full path to
mod_axis2.so,
for example, <code>/usr/lib/apache2/modules/mod_axis2.so</code>
on Linux, or <code>C:\Apache2\modules\mod_axis2.so</code>
on MS Windows<br />
<br />
AXIS2C_INSTALL_DIR has to be replaced with the full path to Axis2/C
repository, for example, <code>/usr/local/axis2</code> on
Linux, or <code>c:\axis2c</code> on MS Windows. Note that
repository path should
have read access to the daemon user account under which the Apache2
HTTPD
process is run.<br />
<br />
PATH_TO_LOG_FILE has to be replaced with the full path to where you
wish to
have the Axis2/C log file, for example, <code>/tmp/axis2.log</code>
on Linux, or <code>C:\Apache2\logs\axis2.log</code> on MS
Windows. Note that the log
file path should have write access to the daemon user account under
which the
Apache2 HTTPD process is run.<br />
<br />
LOG_LEVEL has to be replaced with one of the following values: crit,
error,
warn, info, debug, trace. These log levels have the following meanings:</p>
<ul>
<li>crit - log critical errors</li>
<li>error - log errors and above</li>
<li>warn - log warnings and above</li>
<li>info - log information and above</li>
<li>debug - log debug information and above, this is the
default log level used</li>
<li>user - log user level messages and above</li>
<li>trace - log trace messages and above</li>
</ul>
<p>SIZE_IN_MB must be replaced by the size of the particular
resource in MB, rounded to
the nearest whole value.<br />
<br />
PREFIX has to be replaced with the prefix to be used with the service
endpoints. This is optional and defaults to "services".
As an example, if you have "web_services" as the prefix, then all the
services hosted would have the endpoint prefix of : <br />
http://localhost/axis2/web_services <br />
If you wish, you can also change the location as well by replacing
"/axis2" in &lt;Location /axis2&gt; setting with whatever you
wish.
</p>
<p><font color="#666666">NOTE: If you want to use a
Shared Global Pool with Apache
you have to give another entry called Axis2GlobalPoolSize.You have to
give the
size of the shared global pool in MB.If you doesn't set the value or if
you set a
negative value Apache module doesn't create shared global pool.</font></p>
<div class="source">
<pre>Axis2GlobalPoolSize SIZE_IN_MB<br /><br /></pre>
</div>
<p>To ensure that everything works fine, start Apache2 (restart
if it is
already running) and test whether the mod_axis2 module is loaded
correctly by
accessing the URL: <a href="http://localhost/axis2/services" class="externalLink" title="External Link">http://localhost/axis2/services</a>.<br />
</p>
<p>This should show the list of services deployed with Axis2/C.
Then you
should be able to run clients against this endpoint. Example:</p>
<div class="source">
<pre>echo http://localhost/axis2/services/echo<br /><br /></pre>
</div>
<p>In case things are not working as expected, here are some tips
on how to
troubleshoot:</p>
<ul>
<li>Double check the steps you followed in installing and
configuring mod_axis2. Check if the locations given in httpd.conf are
correct, and also check the folder permissions.</li>
<li>Have a look at the axis2.log file for clues as to what is
going wrong. You can set the log level to debug, user or trace to
gather more information</li>
<li>In case the axis2.log file is not written at all, there is
a good chance that mod_axis2 is crashing. You can have a look at the
error.log file of Apache2 to get an idea on what is going wrong. This
file is usually placed in the APACHE_INSTALL_DIR/logs folder.</li>
</ul>
<p style="margin-bottom: 0in;"><br />
</p>
<p><a name="IIS"></a></p>
</div>
</div>
<div class="section"><a name="12__Deploying_with_Microsoft_IIS_Server"></a>
<h2>12. Deploying with Microsoft IIS Server</h2>
<p>Use the Axis2/C VC project or makefile to buid the
component. If you are using the makefile to build the source, you have
to run the command</p>
<div class="source">
<pre>nmake axis2_iis_module</pre>
</div>
<p>In this document I assume that the mod_axis2_IIS.dll
is in the directory <code>c:\axis2c\lib</code> and
AXIS2C_HOME
is <code>c:\axis2c</code></p>
<p>Add the following key to the
registery.</p>
<p><code>HKEY_LOCAL_MACHINE\SOFTWARE\Apache Axis2c\IIS
ISAPI
Redirector</code></p>
<p>Add a string value with the name <code>AXIS2C_HOME</code>
and a
value of <code>c:\axis2c</code></p>
<p>Add a string value with the name <code>log_file</code>
and a value
of <code>c:\axis2c\logs\axis2.log</code></p>
<p>Add a string value with the name <code>log_level</code>.
The value
can be either <code>trace</code>, <code>error</code>,
<code>info</code>, <code>critical</code>, <code>user</code>,
<code>debug</code>, or <code>warning</code>.</p>
<p>
You can add a string value with the name <code>services_url_prefix</code>. This is optional and defaults to "/services".
As an example, if you have "/web_services" as the prefix, then all the
services hosted would have the endpoint prefix of : <br />
http://localhost/axis2/web_services.<br />Note: don't forget the / at the begining.<br />
</p>
<p>
If you wish, you can also change the location as well by adding a string value with the name <code>axis2_location</code>. This is also optional and defaults to /axis2.
If you have /myserser as the value you can access your web services with a url like http://localhost/myserver/services. <br />Note: Don't forget the / at the beginning.</p>
<p>

</p><p>Now you can do all the registry editing using the JScript file
axis2_iis_regedit.js provided with the distribution. When you build
axis2/C with the IIS module the file is copied to the root directory of
the binary distribution. Just double click it and everything will be
set to the defaults. The axis2c_home is taken as the current directory,
so make sure you run the file in the Axis2/C repository location (or
root of the binary distribution). If you want to change the values you
can manually edit the the .js file or give it as command line arguments
to the script when running the script. To run the jscript from the
command line use the command <code>:\cscript axis2_iis_regedit.js optional arguments</code>. We recomend the manual editing as it is the easiest way to specify the values.</p>
<p><b>IIS 5.1 or Below</b></p>
Using the IIS management console, add a new virtual
directory to your IIS/PWS web site. The name of the virtual directory
must be <code>axis2</code>. Its
physical path should be the directory in which you placed
mod_axis2_IIS.dll (in our example it is
c:\axis2c\lib). When creating this new virtual directory, <b>assign
execute access to it</b>.
<p>By using the IIS management console, add
mod_axis2_IIS.dll as a filter in your IIS/PWS web site and restart the
IIS
admin service.</p>
<p><b>IIS 6 &amp; 7</b></p>
Using the IIS management console, add the mod_axis2_IIS.dll as a
Wildcard Script Map.
<ul>
<li>Executable should be the complete path to the
mod_axis2_IIS.dll</li>
<li>You can put any name as the name of the Wildcard Script Map</li>
</ul>
<p>Please don't add the mod_axis2_IIS.dll as a filter to IIS as
in the IIS 5.1 case.</p>
<p>Note: If the Axis2/C failed to load, verify that Axis2/C and
its dependent DLLs are in the System Path (not the user path). </p>
<p style="margin-bottom: 0in;"><br />
</p>
<p><a name="ssl_client"></a></p>
</div>
<div class="section"><a name="13__Using_SSL_Client"></a>
<h2>13. Using SSL Client</h2>
<div class="subsection"><a name="13_1_Building_and_Configuring_the_Client"></a>
<h3>13.1 Building and Configuring the Client</h3>
<p>In order to allow an Axis2/C client to communicate with an SSL
enabled
server, we need to compile Axis2/C with SSL support enabled.</p>
<p>To build with SSL client support, first of all, make sure you
have
installed <a href="http://www.openssl.org/" class="externalLink" title="External Link">OpenSSL</a>
on your machine. Then
you can start building with SSL client support. This can be achieved on
Linux
by configuring Axis2/C with the <code>--with-openssl=[path to Openssl installation directory]</code>
option.</p>
<p>Example <code><br />
%./configure --with-openssl=/opt/openssl --prefix=${AXIS2C_HOME}/deploy<br />
%make<br />
%make install<br />
</code></p>
<p>On MS Windows, set <code>ENABLE_SSL=1</code> in
the
<code>configure.in</code> file and run the <code>nmake
all</code> command.</p>
<p><a name="client_chain"></a></p>
</div>
<div class="subsection"><a name="13_1_1_Creating_the_Client_Certificate_Chain_File"></a>
<h3>13.1.1 Creating the Client Certificate Chain File</h3>
<p>If you need SSL client authentication, Axis2/C requires you to
provide the
client certificate and the private key file in a single file. Such a
file
which contains both the certificate and relevant private key is called
a
certificate chain file. Creating such a file is very easy. Assume that
the
client certificate is stored in a file named <code>client.crt</code>
and the
private key is stored in a file named <code>client.key</code>.
Then the
certificate chain file can be created by concatenating the certificate
file
and the private key file in that order, in to another file, say
<code>client.pem</code>.</p>
<p>On Linux you can do this as follows: <code>%cat
client.crt client.key &gt;
client.pem</code></p>
<p>On MS Windows, you can do this by copying the contents of
client.crt and
client.key files and saving them in a file named client.pem using
Notepad.</p>
</div>
<div class="subsection"><a name="13_1_2_Configuration"></a>
<h3>13.1.2 Configuration</h3>
<p>Uncomment the following in <code>axis2.xml</code>
to enable https transport receiver and https transport sender.
Axis2/C will then be able to recognize the "https" sheme in a given end
point reference (EPR) and use SSL transport.
</p>
<div class="source">
<pre>&lt;transportReceiver name="https" class="axis2_http_receiver"&gt;<br /> &lt;parameter name="port" locked="false"&gt;6060&lt;/parameter&gt;<br /> &lt;parameter name="exposeHeaders" locked="true"&gt;false&lt;/parameter&gt;<br />&lt;/transportReceiver&gt;<br /></pre>
</div>
<div class="source">
<pre>&lt;transportSender name="https" class="axis2_http_sender"&gt;<br /> &lt;parameter name="PROTOCOL" locked="false"&gt;HTTP/1.1&lt;/parameter&gt;<br />&lt;/transportSender&gt;<br /></pre>
</div>
<p>For the SSL client to work, the file containing the CA
certificate should
be given as <code>SERVER_CERT</code> parameter in the
axis2.xml file. If you
need client authentication, you can also set the parameters in the
axis2.xml
file to specify the client certificate, private key, and the passphrase
for
the client private key. Parameter names for these are:</p>
<p><code>KEY_FILE</code> - certificate chain file
containing the client's
certificate and the private key (Please refer to the <a href="#client_chain">creating the client certificate chain
file</a>
section)<br />
<code>SSL_PASSPHRASE</code> - passphrase used to encrypt
the private key
file.</p>
<p>Example:</p>
<p><code>&lt;parameter
name="SERVER_CERT"&gt;/path/to/ca/certificate&lt;/parameter&gt;</code><br />
<code>&lt;parameter
name="KEY_FILE"&gt;/path/to/client/certificate/chain/file&lt;/parameter&gt;</code><br />
<code>&lt;</code><code><code>parameter
name="SSL_</code>PASSPHRASE"&gt;passphrase&lt;/parameter&gt;</code></p>
<p>For testing purposes, you can use the server's certificate
instead of the
CA certificate. You can obtain this by running the command <code>openssl
s_client -connect &lt;servername&gt;:&lt;port&gt;</code>
and copying the
portion of the output bounded by and including:</p>
<div class="source">
<pre>-----BEGIN CERTIFICATE-----<br />-----END CERTIFICATE-----<br /><br /></pre>
</div>
<p>On Linux, if you run the following piece of code, the server
certificate
will be saved to a file <code>cert.pem</code>:</p>
<div class="source">
<pre>echo |\<br />openssl s_client -connect &lt;servername&gt;:&lt;port&gt; 2&gt;&amp;1 |\<br />sed -ne '/-BEGIN CERTIFICATE-/,/-END CERTIFICATE-/p' &gt; cert.pem<br /><br /></pre>
</div>
<p><font color="#666666">NOTE: Instead of setting
these parameters in the <code>axis2.xml</code>
file, you can also set these parameters programmatically in your client
code.</font></p>
</div>
<div class="subsection"><a name="13_2_Configuring_the_Server"></a>
<h3>13.2 Configuring the Server</h3>
<p>Here we will only look at the configuration of the Apache HTTP
Web server.
Refer to the '<a href="#mod_axis2">Deploying with Apache
HTTP Server Version2.x</a>' section for information on deploying
Axis2/C as an Apache
module.</p>
<p>For more detailed information on SSL configuration, please
refer to <a href="http://httpd.apache.org/docs/2.0/ssl/#documentation" class="externalLink" title="External Link">Apache2
SSL/TLS
documentation</a>.</p>
<p>In the <code>httpd.conf</code> file, add the
following configuration
statements (in addition to other necessary configuration):</p>
<p><code>SSLEngine on<br />
SSLCertificateFile /path/to/server/certificate/file<br />
SSLCertificateKeyFile /path/to/private/key/file<br />
SSLCACertificateFile /path/to/CA/certificate/file<br />
SSLVerifyClient require<br />
SSLVerifyDepth 1</code></p>
<p><font color="#666666">NOTE: The last two lines, <code>SSLVerifyClient</code>
and
<code>SSLVerifyDepth</code> are only needed when you need
client
authentication.</font></p>
<p style="margin-bottom: 0in;"><br />
</p>
<p><a name="proxy"></a></p>
</div>
</div>
<div class="section"><a name="14__Using_Proxy_Support"></a>
<h2>14. Using Proxy Support</h2>
<p>When using a proxy, there are two methods for specifying proxy
settings:</p>
<ol>
<li>Specify proxy settings in axis2.xml</li>
<li>Provide proxy settings using service client API</li>
</ol>
<div class="subsection"><a name="14_1_Specifying_Proxy_Settings_in_axis2_xml"></a>
<h3>14.1 Specifying Proxy Settings in axis2.xml</h3>
<div class="source">
<pre>&lt;transportSender name="http" class="axis2_http_sender"&gt;<br /> &lt;parameter name="PROTOCOL" locked="false"&gt;HTTP/1.1&lt;/parameter&gt;<br /> &lt;parameter name="PROXY" proxy_host="127.0.0.1" proxy_port="8080" locked="true"/&gt;<br />&lt;/transportSender&gt;<br /><br /></pre>
</div>
</div>
<div class="subsection"><a name="14_2_Providing_Proxy_Settings_Using_Service_Client_API"></a>
<h3>14.2 Providing Proxy Settings Using Service Client API</h3>
<p>You can specify proxy settings using the following function
with the
service client:</p>
<div class="source">
<pre>axis2_svc_client_set_proxy(axis2_svc_client_t *svc_client,<br /> const axutil_env_t *env,<br /> axis2_char_t *proxy_host,<br /> axis2_char_t *proxy_port);<br /><br /></pre>
</div>
<p style="margin-bottom: 0in;"><br />
</p>
<p><a name="proxy_auth"></a></p>
</div>
</div>
<div class="section"><a name="15__Using_Proxy_Authentication_Support"></a>
<h2>15. Using Proxy Authentication Support</h2>
<p>When using proxy authentication, there are three methods for
specifying proxy
authentication settings:</p>
<ol>
<li>Specify proxy settings with authentication in axis2.xml</li>
<li>Provide proxy settings with authentication using service
client API</li>
<li>Provide proxy authentication settings using service client
options</li>
</ol>
<div class="subsection"><a name="15_1_Specifying_Proxy_Settings_with_Authentication_in_axis2_xml"></a>
<h3>15.1 Specifying Proxy Settings with Authentication in
axis2.xml</h3>
<div class="source">
<pre>&lt;transportSender name="http" class="axis2_http_sender"&gt;<br /> &lt;parameter name="PROTOCOL" locked="false"&gt;HTTP/1.1&lt;/parameter&gt;<br /> &lt;parameter name="PROXY" proxy_host="127.0.0.1" proxy_port="8080" proxy_username="" proxy_password="" locked="true"/&gt;<br />&lt;/transportSender&gt;<br /><br /></pre>
</div>
</div>
<div class="subsection"><a name="15_2_Providing_Proxy_Settings_with_Authentication_Using_Service_Client_API"></a>
<h3>15.2 Providing Proxy Settings with Authentication Using
Service Client API</h3>
<p>You can specify proxy authentication settings using the
following function with the
service client:</p>
<div class="source">
<pre>axis2_svc_client_set_proxy_with_auth(axis2_svc_client_t *svc_client,<br /> const axutil_env_t *env,<br /> axis2_char_t *proxy_host,<br /> axis2_char_t *proxy_port,<br /> axis2_char_t *username,<br /> axis2_char_t *password);<br /><br /></pre>
</div>
</div>
<div class="subsection"><a name="15_3_Providing_Proxy_Authentication_Settings_Using_Service_Client_Options"></a>
<h3>15.3 Providing Proxy Authentication Settings Using Service
Client Options</h3>
<p>You can specify proxy authentication settings using the
following function with the
service client options:</p>
<div class="source">
<pre>axis2_options_set_proxy_auth_info(<br /> axis2_options_t * options,<br /> const axutil_env_t * env,<br /> const axis2_char_t * username,<br /> const axis2_char_t * password,<br /> const axis2_char_t * auth_type);<br /></pre>
</div>
<p>In <code>auth_type</code>, use <b>Basic</b>
to force Basic Authentication or <b>Digest</b> to force
Digest
Authentication. Leave this field NULL if you are not forcing
authentication.</p>
<div class="subsection"><a name="15_4_Predetermining_Proxy_Authentication_Details"></a>
<h3>15.4 Predetermining Proxy Authentication Details</h3>
<p>You can also predetermine whether proxy authentication is
required. This can be done by calling the function below:</p>
<div class="source">
<pre>axis2_options_set_test_proxy_auth(<br /> axis2_options_t * options,<br /> const axutil_env_t * env,<br /> const axis2_bool_t test_proxy_auth);<br /></pre>
</div>
<p>Set <code>test_proxy_auth</code> to <b><code>AXIS2_TRUE</code></b>
to enable testing.When testing is enabled, the request will be sent
without without adding authentication information. If it fails, and
requests Authentication Information, the request type of authentication
will be saved. This information can be obtained in the following manner:</p>
<div class="source">
<pre>axis2_svc_client_get_auth_type(<br /> const axis2_svc_client_t * svc_client,<br /> const axutil_env_t * env);<br /></pre>
</div>
<p> This will return either <b>Basic</b>, <b>Digest</b>
or <b>NULL</b> according to the type of authentiation
requested. In addition to that, after each request made through the
service client, you can check whether authentication was required.</p>
<div class="source">
<pre>axis2_svc_client_get_proxy_auth_required(<br /> const axis2_svc_client_t * svc_client,<br /> const axutil_env_t * env);<br /></pre>
</div>
<p>Please take a look at the <code>echo_blocking_auth</code>
sample for more information on how to use these methods to identify
proxy Authentication requirements.</p>
<p style="margin-bottom: 0in;"><br />
</p>
<p><a name="http_auth"></a></p>
</div>
</div>
<div class="section"><a name="16__Using_HTTP_Authentication_Support"></a>
<h2>16. Using HTTP Authentication Support</h2>
<p>When using HTTP authentication, there are two methods for
specifying proxy
authentication settings:</p>
<ol>
<li>Specify HTTP authentication settings in axis2.xml</li>
<li>Provide HTTP authentication settings using service client
options</li>
</ol>
<div class="subsection"><a name="16_1_Specifying_HTTP_Authentication_Settings_in_axis2_xml"></a>
<h3>16.1 Specifying HTTP Authentication Settings in axis2.xml</h3>
<div class="source">
<pre>&lt;transportSender name="http" class="axis2_http_sender"&gt;<br /> &lt;parameter name="PROTOCOL" locked="false"&gt;HTTP/1.1&lt;/parameter&gt;<br /> &lt;parameter name="HTTP-Authentication" username="your username" password="your password" locked="true"/&gt;<br />&lt;/transportSender&gt;<br /><br /></pre>
</div>
</div>
<div class="subsection"><a name="16_2_Providing_HTTP_Authentication_Settings_Using_Service_Client_Options"></a>
<h3>16.2 Providing HTTP Authentication Settings Using Service
Client Options</h3>
<p>You can specify HTTP authentication settings using the
following function with the
service client options:</p>
<div class="source">
<pre>axis2_options_set_http_auth_info(<br /> axis2_options_t * options,<br /> const axutil_env_t * env,<br /> const axis2_char_t * username,<br /> const axis2_char_t * password,<br /> const axis2_char_t * auth_type);<br /></pre>
</div>
<p>In <code>auth_type</code>, use <b>Basic</b>
to force HTTP Basic Authentication or <b>Digest</b> to
force HTTP Digest
Authentication. Leave this field NULL if you are not forcing
authentication.</p>
<div class="subsection"><a name="16_3_Predetermining_HTTP_Authentication_Details"></a>
<h3>16.3 Predetermining HTTP Authentication Details</h3>
<p>You can also predetermine whether HTTP authentication is
required. This can be done by calling the function below:</p>
<div class="source">
<pre>axis2_options_set_test_http_auth(<br /> axis2_options_t * options,<br /> const axutil_env_t * env,<br /> const axis2_bool_t test_http_auth);<br /></pre>
</div>
<p>Set <code>test_http_auth</code> to <b><code>AXIS2_TRUE</code></b>
to enable testing.When testing is enabled, the request will be sent
without without adding authentication information. If it fails, and
requests Authentication Information, the request type of authentication
will be saved. This information can be obtained in the following manner:</p>
<div class="source">
<pre>axis2_svc_client_get_auth_type(<br /> const axis2_svc_client_t * svc_client,<br /> const axutil_env_t * env);<br /></pre>
</div>
<p> This will return either <b>Basic</b>, <b>Digest</b>
or <b>NULL</b> according to the type of authentiation
requested. In addition to that, after each request made through the
service client, you can check whether authentication was required.</p>
<div class="source">
<pre>axis2_svc_client_get_http_auth_required(<br /> const axis2_svc_client_t * svc_client,<br /> const axutil_env_t * env);<br /></pre>
</div>
<p>Please take a look at the <code>echo_blocking_auth</code>
sample for more information on how to use these methods to identify
HTTP Authentication requirements.</p>
<p style="margin-bottom: 0in;"><br />
</p>
<p><a name="wsdl2c"></a></p>
</div>
</div>
<div class="section"><a name="17__WSDL2C_Tool"></a>
<h2>17. WSDL2C Tool</h2>
<p>WSDL2C tool that comes with Axis2/Java supports the generation
of Axis2/C
stubs and skeletons for WSDL files. This is a Java tool that can be
used to
generate C code that works with Axis2/C API. You should use <a href="https://svn.apache.org/repos/asf/axis/axis2/java/core/trunk" class="externalLink" title="External Link">Axis2/Java
SVN</a> revision 529533 or later revisions. You can download the <a href="http://axis.apache.org/axis2/java/core/download.cgi" class="externalLink" title="External Link">Axis2/Java latest
release</a> and use those binaries to generate the code. Check out a <a href="http://axis.apache.org/axis2/java/core/docs/reference.html#wsdl2java" class="externalLink" title="External Link">basic
guide</a> on the Java tool.</p>
<p>Before you run the tool, make sure that all the .jar library
files that
come with Axis2/Java are added to the CLASSPATH environment variable. 
</p>
<p>
<em>Note: You can use the WSDL2C.sh or WSDL2C.bat that shipped with the axis2/c binaries 
(inside the &lt;axis2_src_dir&gt;/bin/tools/wsdl2c directory) to run the tool. 
The README comes in the directory guide you how to use that scripts.</em></p>
<div class="subsection"><a name="17_1_Generating_Service_Skeletons"></a>
<h3>17.1 Generating Service Skeletons</h3>
<p>The tool can be run with the following parameters and generate
the service
skeleton and other required files with ADB (Axis Data Binding) support.</p>
<div class="source">
<pre>java org.apache.axis2.wsdl.WSDL2C -uri interoptestdoclitparameters.wsdl -ss -sd -d adb -u <br /><br /></pre>
</div>
<p>To understand the meanings of the options used with the tool,
please have
a look at the <a href="http://axis.apache.org/axis2/java/core/docs/reference.html#wsdl2java" class="externalLink" title="External Link"> Java tool
documentation</a>.</p>
<p>If you need an XML in/out programming model, you can just
ignore the data
binding support. To generate code with no data binding support, just
replace
<code>-d adb -u</code>, that was used in a previous
command, with <code>-d
none</code>.</p>
<div class="source">
<pre>java org.apache.axis2.wsdl.WSDL2C -uri interoptestdoclitparameters.wsdl -ss -sd -d none<br /><br /></pre>
</div>
<p>The WSDL file, <code>interoptestdoclitparameters.wsdl</code>,
used in the
above command examples can be found in
&lt;axis2_src_dir&gt;/test/resources
directory.</p>
<p>Once the code is generated, you have to implement the business
logic for
the service. For this, locate the skeleton source file from the
generated
files. To identify the locations where you can place your business
logic in
line with the operations defined in the WSDL file that you used to
generate
code, look for the comment lines:</p>
<div class="source">
<pre>/* Todo fill this with the necessary business logic */</pre>
</div>
<p>You can also go through the generated header files and
understand the API in
line with the WSDL file that you used to generate the code.
</p>
</div>
<div class="subsection"><a name="17_2_Generating_Client_Stubs"></a>
<h3>17.2 Generating Client Stubs</h3>
<p>The WSDL2C code generator tool provides support for generating
client
stubs as well. You can generate the required stubs from a given WSDL
with the
other supporting files. Use following parameters to generate the
Axis2/C
client stub code with ADB support.</p>
<div class="source">
<pre>java WSDL2C -uri interoptestdoclitparameters.wsdl -d adb -u<br /><br /></pre>
</div>
<p>In order to ignore the data binding support and use a raw XML
in/out
model, just use the following parameters.</p>
<div class="source">
<pre>java WSDL2C -uri interoptestdoclitparameters.wsdl -d none<br /><br /></pre>
</div>
<p>Like in the case of service skeletons, you have to fill in the
business
logic as required in the client stubs as well. To do this, go through
the
header files generated and understand the API in line with the WSDL
file that
you used to generate the code.</p>
<p style="margin-bottom: 0in;"><br />
</p>
<p><a name="tcptrans"></a></p>
</div>
</div>
<div class="section"><a name="18__TCP_Transport"></a>
<h2>18. TCP Transport</h2>
<div class="subsection"><a name="18_1_Building_AXIS2C_enabling_TCP"></a>
<h3>18.1 Building AXIS2C enabling TCP</h3>
<p>This section will guide you through installing Axis2C with tcp
enabled, and this also includes how to test it by running samples.
Please note that both the Server and the Client must be built with TCP
enabled.</p>
</div>
<div class="subsection"><a name="18_1_1_Linux_Based_Systems"></a>
<h3>18.1.1 Linux Based Systems</h3>
<ol>
<li>When you are installing, you have to use the configure
command with
the option to enable tcp by providing the following argument:</li>
<pre>	./configure --enable-tcp=yes<br />	make<br />	make install</pre>
<li>Then to confirm that you have successfully built the source
with tcp enabled you can check in your $AXIS2C_HOME/lib folder for
following files:</li>
<pre>	libaxis2_tcp_sender.so<br />	libaxis2_tcp_reciever.so</pre>
<li>To setup the tcp transport sender, you have to edit the
axis2.xml by uncommenting following entry:</li>
<pre>	&lt;transportSender name="tcp" class="axis2_tcp_sender"&gt;<br /> &lt;parameter name="PROTOCOL" locked="false"&gt;TCP&lt;/parameter&gt;<br /> &lt;/transportSender&gt;</pre>
</ol>
</div>
<div class="subsection"><a name="18_1_2_MS_Windows_Based_Systems"></a>
<h3>18.1.2 MS Windows Based Systems</h3>
<ol>
<li>When you are installing, you have to set the configure
option to enable tcp
by specifying in <code>configure.in</code>:</li>
<pre> WITH_TCP = 1</pre>
<li>Then to confirm that you have successfully built the source
with tcp enabled you can check in your %AXIS2C_HOME%\lib folder for
following files:</li>
<pre>	axis2_tcp_sender.dll<br /> axis2_tcp_reciever.dll</pre>
<li>To setup the tcp transport sender, you have to edit the
axis2.xml by uncommenting following entry:</li>
<pre> &lt;transportSender name="tcp" class="axis2_tcp_sender"&gt;<br /> &lt;parameter name="PROTOCOL" locked="false"&gt;TCP&lt;/parameter&gt;<br /> &lt;/transportSender&gt;</pre>
</ol>
</div>
<div class="subsection"><a name="18_2_Server_Side"></a>
<h3>18.2 Server Side</h3>
<ul>
<li>To run the tcp server on Linux based systems, you have to
start the tcp
server which runs in 9091 as its default port.</li>
<pre>	cd $AXIS2C_HOME/bin/<br />	./axis2_tcp_server</pre>
<li>To run the tcp server on MS Windows based systems, you have
to start the tcp server as,</li>
<pre> cd %AXIS2C_HOME%\bin<br /> axis2_tcp_server.exe</pre>
</ul>
</div>
<div class="subsection"><a name="18_2_1_Simple_Axis2_TCP_Server"></a>
<h3>18.2.1 Simple Axis2 TCP Server</h3>
<p>Simple Axis2 TCP Server is the inbuilt TCP server of Axis2/C.<br />
</p>
</div>
<div class="subsection"><a name="18_2_1_1_Linux_Based_Systems"></a>
<h3>18.2.1.1 Linux Based Systems</h3>
<p>Synopsis :</p>
<div class="source">
<pre> axis2_tcp_server [-p PORT] [-t TIMEOUT] [-r REPO_PATH] [-l LOG_LEVEL] [-f LOG_FILE] [-s LOG_FILE_SIZE]<br /><br /></pre>
</div>
<p>You can use the following options with simple axis TCP server.</p>
<div class="source">
<pre> -p PORT port number to use, default port is 9091<br /> -r REPO_PATH repository path, default is ../<br /> -t TIMEOUT socket read timeout, default is 30 seconds<br /> -l LOG_LEVEL log level, available log levels:<br /> 0 - critical 1 - errors 2 - warnings<br /> 3 - information 4 - debug 5- user 6 - trace<br /> Default log level is 4(debug).<br /> -f LOG_FILE log file, default is $AXIS2C_HOME/logs/axis2.log<br /> or axis2.log in current folder if AXIS2C_HOME not set<br /> -s LOG_FILE_SIZE Maximum log file size in mega bytes, default maximum size is 1MB.<br /> -h display the help screen.<br /><br /></pre>
</div>
<p>Example :</p>
<div class="source">
<pre> axis2_tcp_server -l 3 -p 8080 -r $AXIS2C_HOME -f /dev/stderr<br /><br /></pre>
</div>
</div>
<div class="subsection"><a name="18_2_1_2_MS_Windows_Based_Systems"></a>
<h3>18.2.1.2 MS Windows Based Systems</h3>
<p>Synopsis :</p>
<div class="source">
<pre> axis2_tcp_server.exe [-p PORT] [-t TIMEOUT] [-r REPO_PATH] [-l LOG_LEVEL] [-f LOG_FILE] [-s LOG_FILE_SIZE]<br /><br /></pre>
</div>
<p>You can use the following options with simple axis TCP server.</p>
<div class="source">
<pre> -p PORT port number to use, default port is 9091<br /> -r REPO_PATH repository path, default is ../<br /> -t TIMEOUT socket read timeout, default is 30 seconds<br /> -l LOG_LEVEL log level, available log levels:<br /> 0 - critical 1 - errors 2 - warnings<br /> 3 - information 4 - debug 5- user 6 - trace<br /> Default log level is 4(debug).<br /> -f LOG_FILE log file, default is %AXIS2C_HOME%\logs\axis2.log<br /> or axis2.log in current folder if AXIS2C_HOME not set<br /> -s LOG_FILE_SIZE Maximum log file size in mega bytes, default maximum size is 1MB.<br /> -h display the help screen.<br /><br /></pre>
</div>
<p>Example :</p>
<div class="source">
<pre> axis2_tcp_server.exe -l 3 -p 8080 -r %AXIS2C_HOME% -f C:\logs\error.log<br /><br /></pre>
</div>
</div>
<div class="subsection"><a name="18_3_Client_Side"></a>
<h3>18.3 Client Side</h3>
<ul>
<li>In your service client you have to give the end point
address adding tcp as the URI Schema name in the client's code.</li>
<pre>tcp://[service_hostname]:[service_port]/axis2/services/your_service_name</pre>
<li>You can use TCPMon to figure out how the message is
transferred (without having it's http headers) after you've built
Axis2C enabling tcp.</li>
</ul>
<p style="margin-bottom: 0in;"><br />
</p>
<p><a name="amqptrans"></a></p>
</div>
</div>
<div class="section">
<h2>19. AMQP Transport</h2>
<div class="subsection">
<h3>19.1 Building AXIS2C enabling AMQP</h3>
<p>This section will guide you through installing Axis2C with
AMQP
enabled, and this also includes how to test it by running samples.
Please note that both the Server and the Client must be built with AMQP
enabled.</p>
</div>
<div class="subsection">
<h3>19.1.1 Linux Based Systems</h3>
<ol>
<li>When you are installing, you have to use the configure
command with
the option --with-qpid as follows</li>
<pre> ./configure --with-qpid=path/to/qpid home<br /> make<br /> make install</pre>
<li>Then to confirm that you have successfully built the source
with AMQP enabled you can check in your $AXIS2C_HOME/lib folder for
following files:</li>
<pre> libaxis2_qmqp_sender.so<br /> libaxis2_amqp_reciever.so</pre>
<li>To setup the AMQP transport, you have to edit the
axis2.xml and add the following entries:</li>
<pre> &lt;transportReceiver name="amqp" class="axis2_amqp_receiver"&gt;<br /> &lt;parameter name="qpid_broker_ip" locked="false"&gt;127.0.0.1&lt;/parameter&gt;<br /> &lt;parameter name="qpid_broker_port" locked="false"&gt;5672&lt;/parameter&gt;<br /> &lt;/transportReceiver&gt;<br /><br /> &lt;transportSender name="amqp" class="axis2_amqp_sender"/&gt;</pre>
</ol>
</div>
<div class="subsection">
<h3>19.1.2 MS Windows Based Systems</h3>
Axis2/C does not support AMQP transport on Windows.
<ol>
</ol>
</div>
<div class="subsection">
<h3>19.2 Server Side<span style="font-family: monospace;"></span></h3>
Start the Qpid broker as follows.<br />
<br />
<pre>$ cd ${QPID_HOME}/sbin<br />$ ./qpidd --data-dir ./</pre>
<br />
Start the axis2_amqp_server as follows.<br />
<br />
<pre>$ cd ${AXIS2C_HOME}/bin<br />$ ./axis2_amqp_server<br /> </pre>
You should see the message<br />
&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;Started
Simple Axis2 AMQP Server...<br />
<br />
This will connect to the Qpid broker listening on 127.0.0.1:5672. <br />
To see the possible command line options run<br />
<br />
<pre>$ ./axis2_amqp_server -h<br /></pre>
<br />
NOTE : You have the flexibility of starting the Qpid broker first and
then axis2_amqp_server or vise versa.<br />
<div class="subsection">
<div style="text-align: left;"></div>
<h3>19.2.1 Simple Axis2 AMQP Server</h3>
<p>Simple Axis2 AMQP Server is the inbuilt AMQP server of Axis2/C.<br />
</p>
</div>
<div class="subsection">
<h3>19.2.1.1 Linux Based Systems</h3>
<p>Synopsis :</p>
<div class="source">
<pre> axis2_amqp_server [-i QPID_BROKER_IP] [-p QPID_BROKER_PORT] [-r REPO_PATH] [-l LOG_LEVEL] [-f LOG_FILE] [-s LOG_FILE_SIZE]<br /><br /></pre>
</div>
<p>You can use the following options with simple axis AMQP server.</p>
<div class="source">
<pre> -i IP where the Qpid broker is running, default IP is 127.0.0.1<br /> -p PORT port number the Qpid broker listens on, default port is 5672<br /> -r REPO_PATH repository path, default is ../<br /> -l LOG_LEVEL log level, available log levels:<br /> 0 - critical <br />	1 - errors <br />	2 - warnings<br /> 3 - information <br />	4 - debug <br />	5- user <br />	6 - trace<br /> Default log level is 4(debug).<br /> -f LOG_FILE log file, default is $AXIS2C_HOME/logs/axis2.log or axis2.log in current folder if AXIS2C_HOME not set<br /> -s LOG_FILE_SIZE Maximum log file size in mega bytes, default maximum size is 1MB.<br /> -h display the help screen.<br /><br /></pre>
</div>
<p>Example :</p>
<div class="source">
<pre> axis2_amqp_server -i 127.0.0.1 -p 5050 -r $AXIS2C_HOME -f /dev/stderr<br /><br /></pre>
</div>
</div>
<div class="subsection">
<h3>19.3 Client Side</h3>
<ul>
</ul>
<p style="margin-bottom: 0in;">
When the axis2_amqp_server is up and running, you can run the sample
clients in a new shell as follows.<br />
<br />
</p>
<pre>$ cd ${AXIS2C_HOME}/samples/bin/amqp<br /><br />$ ./echo_blocking<br /></pre>
This will invoke the echo service.<br />
<br />
To see the possible command line options for sample clients run them
with '-h' option<br />
<p><a name="archive"></a></p>
</div>
</div>
<div class="section"><a name="19__Archive_Based_Deployment"></a>
<h2>20. Archive Based Deployment</h2>
<p>Axis2/C supports two main deployment models,<br />
</p>
<ol>
<li>Directory Based Deployment</li>
<li>Archive Based Deployment</li>
</ol>
Our discussion in this section focuses on how to setup and use archive
based deployment in Axis2/C. By default, Axis2/C may be built without
enabling archive based deployment. Therefore, first and foremost you
will have to most probably rebuild from source.
<p>Also, it is requirement that you have zlib. Most Linux systems
do have zlib by default, but would require zlib development packages.
More information can be found <a href="http://www.zlib.net/">here</a>.
For MS Windows systems, you can download it from <a href="http://www.zlatkovic.com/pub/libxml">here</a>.</p>
<p>Next, you will have to build Axis2/C enabling Archive Based
Deployment. On Linux, you need to set the <code>--with-archive=[path_to_zlib_headers]</code></p>
<p>Example: <code><br />
%./configure --with-archive=/usr/include/ --prefix=${AXIS2C_HOME}/deploy<br />
%make<br />
%make install<br />
</code></p>
<p>On MS Windows, set <code>WITH_ARCHIVE = 1</code>
in the
<code>configure.in</code> file and run the <code>nmake
all</code> command. Please note that you have to specify the
directory where you can find the zlib binary, for a MS Windows system.
This can be done by setting the <code>ZLIB_BIN_DIR</code>
in the
<code>configure.in</code> file.</p>
</div>
<div class="subsection"><a name="19_1_Deploying_Services"></a>
<h3>20.1 Deploying Services</h3>
<p>Once you have successfully completed the installation, you
will have to deploy services as archives in order to make use of this
deployment model. Please note that directory based deployment can
coexist with the archive based deployment model. Therefore, you can
alternatively use either of the two.</p>
<p></p>
<p>You will merely have to add your existing service libraries
and the services.xml file into an archive. For example, in order to
deploy the sample echo service as an archive, you can zip the echo
folder found in the <code>AXIS2C_BIN_DIR/services</code>
directory. You can optionally rename your zip file, to have the <code>.aar</code>
extension.</p>
<p>Please note that all such services deployed as archives should
also be placed inside the <code>AXIS2C_BIN_DIR/services</code>
directory. Now, when ever you start your Simple Axis2 Server, or any
Axis2/C module attached to any other server, your services deployed as
archives, will also get loaded.
</p>
</div>
<div class="subsection"><a name="19_2_Deploying_Modules"></a>
<h3>20.2 Deploying Modules</h3>
<p>Similar to services, you also can deploy modules as archives.
You also can optionally rename your zip files to have the extension, <code>.mar</code>
as in service archives.</p>
<p>Your module archives must be placed in the <code>AXIS2C_BIN_DIR/modules</code>
directory.</p>
</div>
<div class="subsection"><a name="19_3_Known_Issues"></a>
<h3>20.3 Known Issues</h3>
<p>Please note that there are a few known issues when running
archive based deployment, mainly on Linux based systems.<br />
</p>
<ul>
<li>If you want to run both client and server from same
respository, assign super-user privilideges for your server in order to
prevent un-zipped files getting overwritten, which will in return cause
a segmentation fault on your server.
<p></p>
</li>
<li>Please make sure that the application you choose to create
archives preserves executable rights, and symbolic links of libraries
that are found inside the archive, once unzipped.</li>
</ul>
<p style="margin-bottom: 0in;"><br />
</p>
<p><a name="tcpmon"></a></p>
</div>
</div>
<div class="section"><a name="20__TCPMon_Tool"></a>
<h2>21. TCPMon Tool</h2>
<p>TCPMon is a TCP Monitor tool provided by Axis2/C for
monitoring payloads exchanged between client and server. If you are
using a source distribution, this may or may not be built for you by
default. Thus, to get started, you may require building it from source.</p>
<p>On Linux</p>
<div class="source">
<pre>	./configure --prefix=${AXIS2C_HOME} --enable-tests=no<br />	make<br /></pre>
</div>
<p>On MS Windows</p>
<div class="source">
<pre>	nmake tcpmon<br /></pre>
</div>
<p>Please note that in most Linux based installations, this will
most probably be built for you. Once you've done with the building
process, you can find the executable at <code>${AXIS2C_HOME}/bin/tools</code>
on Linux, or at <code>%AXIS2C_HOME%\bin\tools</code> on MS
Windows.</p>
<p>By default, the TCPMon tool will listen on port <b><code>9090</code></b>
and reply to port <b><code>8080</code></b>.
The default target host will be <b><code>localhost</code></b>
and <b><code>tcpmon_traffic.log</code></b>
will be the default log_file. If you want to change any of these
settings run ./<code>tcpmon -h</code> on Linux, or <code>tcpmon.exe
-h</code> on MS Windows for more information.</p>
<p>The TCPMon tool does depend on the Axis2/C Util, Axis2/C AXIOM
and Axis2/C Parser libraries. Thus, if you want to use TCPMon to
monitor payloads in any other message transfer, independant of the
Axis2/C engine, you will have to build those dependant libraries too.
In addition to that, TCPMon does not depend on the Axis2/C Core and
installing the Axis2/C engine is not always a pre-requisite to run
TCPMon.
</p>
<p style="margin-bottom: 0in;"><br />
</p>
<p><a name="appA"></a></p>
</div>
</div>
<div class="section"><a name="Appendix_A_-_axis2_xml"></a>
<h2>Appendix A - axis2.xml</h2>
<p>The axis2.xml file is the configuration file for Axis2/C. It
has 6 top
level elements. They are <em>parameter, transportReceiver,
transportSender,
module, phaseOrder</em> and <em>messageReceiver</em>.
The following sections
describe these elements, their sub elements, element attributes,
possible
values, and their purpose.</p>
<p><em><strong>axisconfig</strong></em>
is the root element of axis2.xml
file.</p>
<table class="bodyTable">
<tbody>
<tr class="b">
<th>Attribute</th>
<th>Possible Values</th>
</tr>
<tr class="a">
<td>name</td>
<td>Axis2/C</td>
</tr>
</tbody>
</table>
<div class="subsection"><a name="parameter"></a>
<h3>parameter</h3>
<p>In Axis2/C, a parameter is a name value pair. Each and every
top level
parameter available in the axis2.xml (direct sub elements of the root
element) will be stored as parameters as <code>axis2_conf</code>.
Therefore,
the top level parameters set in the configuration file can be accessed
via
the <code>axis2_conf</code> instance in the running system.</p>
<p>Sub elements :- none</p>
<p>Attributes :- name, locked</p>
<table class="bodyTable">
<caption></caption><tbody>
<tr class="b">
<th>Attribute</th>
<th>Description</th>
</tr>
<tr class="a">
<td>name</td>
<td>Name of the parameter. The table below shows possible
values of the name attribute and their description.
<table class="bodyTable">
<caption></caption><tbody>
<tr class="b">
<th>Value</th>
<th>Description</th>
<th>Possible Text of Parameter Element</th>
</tr>
<tr class="a">
<td>enableMTOM</td>
<td>Enable MTOM support when sending binary
attachments</td>
<td>true or false</td>
</tr>
<tr class="b">
<td>enableREST</td>
<td>Enable REST support</td>
<td>true or false</td>
</tr>
</tbody>
</table>
</td>
</tr>
<tr class="a">
<td>locked</td>
<td>Indicates whether the parameter can be changed from the
code. Following are the possible values for the locked attribute.
<table class="bodyTable">
<caption></caption><tbody>
<tr class="b">
<th>Value</th>
<th>Description</th>
</tr>
<tr class="a">
<td>true</td>
<td>The parameter cannot be changed from the code</td>
</tr>
<tr class="b">
<td>false</td>
<td>The parameter can be changed from the code.</td>
</tr>
</tbody>
</table>
</td>
</tr>
</tbody>
</table>
</div>
<div class="subsection"><a name="transportReceiver"></a>
<h3>transportReceiver</h3>
<p>This element specifies the transport receiver details in an
IN-OUT message
exchange scenario. The users can change the transport receiver port as
they
wish.</p>
<p>Attributes :- name, class</p>
<table class="bodyTable">
<caption></caption><tbody>
<tr class="a">
<th>Attribute</th>
<th>Description</th>
<th>Possible Values</th>
</tr>
<tr class="b">
<td>name</td>
<td>Specifies which transport protocol is used</td>
<td>http (when using HTTP)</td>
</tr>
<tr class="a">
<td>class</td>
<td>Specifies the shared library which implements the
transport interface</td>
<td>Name of the shared library.
<p>Example:- On Linux if the value is given as <em>foo</em>
then shared library is libfoo.so.</p>
<p>On MS Windows, <em>foo.dll</em>.</p>
</td>
</tr>
</tbody>
</table>
<p></p>
<p>Sub elements :- can have zero or more parameter elements.</p>
<p><br />
The following table shows possible parameter values.</p>
<table class="bodyTable">
<caption></caption><tbody>
<tr class="b">
<th>Attribute</th>
<th>Description</th>
</tr>
<tr class="a">
<td>name</td>
<td>Name of the parameter.
<table class="bodyTable">
<caption></caption><tbody>
<tr class="b">
<th>Value</th>
<th>Description</th>
<th>Possible Text of Parameter Element</th>
</tr>
<tr class="a">
<td>port</td>
<td>Transport listener port</td>
<td>Integer specifying the port number</td>
</tr>
<tr class="a">
<td>exposeHeaders</td>
<td>Whether Transport Headers are exposed to a Service</td>
<td>true/false</td>
</tr>
</tbody>
</table>
</td>
</tr>
<tr class="b">
<td>locked</td>
<td>whether the parameter can be changed from the code
<table class="bodyTable">
<caption></caption><tbody>
<tr class="a">
<th>Value</th>
<th>Description</th>
</tr>
<tr class="b">
<td>true</td>
<td>Parameter cannot be changed from the code</td>
</tr>
<tr class="a">
<td>false</td>
<td>The parameter can be changed from the code.</td>
</tr>
</tbody>
</table>
</td>
</tr>
</tbody>
</table>
<p></p>
<p></p>
</div>
<div class="subsection"><a name="transportSender"></a>
<h3>transportSender</h3>
<p>This element specifies the transport senders used to send
messages.</p>
<p>Attributes :- name, class</p>
<table class="bodyTable">
<caption></caption><tbody>
<tr class="b">
<th>Attribute</th>
<th>Description</th>
<th>Possible Values</th>
</tr>
<tr class="a">
<td>name</td>
<td>Specifies which transport protocol is used when sending
messages</td>
<td>http(when using http)</td>
</tr>
<tr class="b">
<td>class</td>
<td>Specifies the shared library which implements the
transport interface</td>
<td>
<p>Name of the shared library.</p>
<p>Example:- On Linux if the value is given as <em>foo</em>
then the shared library is libfoo.so.</p>
<p>On MS Windows, <em>foo.dll</em>.</p>
</td>
</tr>
</tbody>
</table>
<p></p>
<p>Sub elements : can have zero or more parameter elements.</p>
<p><br />
The following table shows possible parameter values.</p>
<table class="bodyTable">
<caption></caption><tbody>
<tr class="a">
<th>Attribute</th>
<th>Description</th>
</tr>
<tr class="b">
<td>name</td>
<td>The name of the parameter.
<table class="bodyTable">
<caption></caption><tbody>
<tr class="a">
<th>Value</th>
<th>Description</th>
<th>Possible text of parameter element</th>
</tr>
<tr class="b">
<td>PROTOCOL</td>
<td>Transport protocol used</td>
<td>Protocol version. Example:- HTTP /1.1, HTTP/1.0</td>
</tr>
</tbody>
</table>
</td>
</tr>
<tr class="a">
<td>locked</td>
<td>Indicates whether the parameter can be changed from the
code.
<table class="bodyTable">
<caption></caption><tbody>
<tr class="b">
<th>Value</th>
<th>Description</th>
</tr>
<tr class="a">
<td>true</td>
<td>The parameter cannot be changed from the code</td>
</tr>
<tr class="b">
<td>false</td>
<td>The parameter can be changed from the code.</td>
</tr>
</tbody>
</table>
</td>
</tr>
</tbody>
</table>
<p></p>
</div>
<div class="subsection"><a name="module"></a>
<h3>module</h3>
<p>This element is optional. It is used when a particular module
needs to be
engaged globally for every service deployed with Axis2/C.</p>
<table class="bodyTable">
<caption></caption><tbody>
<tr class="a">
<th>Attributes</th>
<th>Description</th>
<th>Possible Values</th>
</tr>
<tr class="b">
<td>ref</td>
<td>The name of the module which is to be engaged globally.</td>
<td>Name of the module.
<p>Example : addressing</p>
</td>
</tr>
</tbody>
</table>
<p></p>
</div>
<div class="subsection"><a name="phaseOrder"></a>
<h3>phaseOrder</h3>
<p>The order of phases in a particular execution chain has to be
configured
using phaseOrder element.</p>
<table class="bodyTable">
<caption></caption><tbody>
<tr class="a">
<th>Attribute</th>
<th>Description</th>
<th>Possible Values</th>
</tr>
<tr class="b">
<td>type</td>
<td>The flow to which the phase belongs</td>
<td>inflow
<p>outflow</p>
<p>INfaultflow</p>
<p>Outfaultflow</p>
</td>
</tr>
</tbody>
</table>
<p>A flow is a collection of handlers which is invoked for a
particular
message. The types of flows are described below.</p>
<table class="bodyTable">
<caption></caption><tbody>
<tr class="a">
<th>Flow</th>
<th>Description</th>
</tr>
<tr class="b">
<td>inflow</td>
<td>Collection of handlers invoked for a message coming in
to the system.</td>
</tr>
<tr class="a">
<td>outflow</td>
<td>Collection of handlers invoked for a message going out
of the system.</td>
</tr>
<tr class="b">
<td>INfaultflow</td>
<td>Collection of handlers invoked for an incoming fault
message.</td>
</tr>
<tr class="a">
<td>Outfaultflow</td>
<td>Collection of handlers invoked for an outgoing fault
message.</td>
</tr>
</tbody>
</table>
<p>Sub elements : <em>phase</em>: represents the
available phases in the
execution chain</p>
<p>The system predefined phases cannot be changed.</p>
<p>The system predefined phases are,</p>
<ul>
<li>Transport</li>
<li>PreDispatch</li>
<li>Dispatch</li>
<li>PostDispatch</li>
<li>MessageOut</li>
</ul>
<table class="bodyTable">
<caption></caption><tbody>
<tr class="b">
<th>Attribute</th>
<th>Description</th>
<th>Possible Values</th>
</tr>
<tr class="a">
<td>name</td>
<td>Specifies the name of the phase</td>
<td>Transport, Dispatch, PreDispatch, PostDispatch,
MessageOut
<p>User defined phases (can have a user defined name)</p>
</td>
</tr>
</tbody>
</table>
<p>Sub elements of phase element: <em>handler</em></p>
<table class="bodyTable">
<caption></caption><tbody>
<tr class="b">
<th>Attribute</th>
<th>Description</th>
<th>Possible Values</th>
</tr>
<tr class="a">
<td>name</td>
<td>Specifies the handler name. Phase may contain zero or
more handlers.</td>
<td>Based on the handler name.
<p>Example: AddressingbasedDispatcher,
RequestURIbaseddispatcher</p>
</td>
</tr>
<tr class="b">
<td>class</td>
<td>Specifies the shared library which implements the
handler</td>
<td>
<p>Name of the shared library.</p>
<p>Example: On Linux, if the value is given as <em>foo,</em>
then the shared library is libfoo.so.</p>
<p>On MS Windows, <em>foo.dll</em>.</p>
</td>
</tr>
</tbody>
</table>
</div>
<div class="subsection"><a name="messageReceiver"></a>
<h3>messageReceiver</h3>
<p></p>
<table class="bodyTable">
<caption></caption><tbody>
<tr class="a">
<th>Attribute</th>
<th>Description</th>
<th>Possible Values</th>
</tr>
<tr class="b">
<td>mep</td>
<td>Message Exchange Pattern</td>
<td>IN-OUT, IN-ONLY</td>
</tr>
<tr class="a">
<td>class</td>
<td>Specify the shared library which implements the
transport interface.
<p>If not specified, the Axis2/C default message receiver
is used.</p>
</td>
<td>Name of the shared library.
<p>Example: On Linux, if the value is given as <em>foo,</em>
then the shared library is libfoo.so.</p>
<p>On MS Windows, <em>foo.dll</em>.</p>
</td>
</tr>
</tbody>
</table>
<p style="margin-bottom: 0in;"><br />
</p>
<p><a name="appB"></a></p>
</div>
</div>
<div class="section"><a name="Appendix_B_-_services_xml"></a>
<h2>Appendix B - services.xml</h2>
<p>Configuration of a service is specified using a services.xml.
Each service
or service archive file needs to have a services.xml in order to be a
valid
service. The following sections describe the elements of the
services.xml
file.</p>
<p>If services.xml describes a single service, the root element
is
<em>service</em>. If it is describing a service group, then
the root element
is <em>serviceGroup</em>. The<em> service</em>
element will be a child
element of serviceGroup if there are multiple services specified in
services.xml.</p>
<div class="subsection">
<table class="bodyTable">
<caption></caption><tbody>
<tr class="b">
<th>Attributes</th>
<th>Description</th>
<th>Possible Values</th>
</tr>
<tr class="a">
<td>name</td>
<td>Name of the service or service group.</td>
<td>Depends on the service or the service group.<br />
Examples: echo, sg_math</td>
</tr>
</tbody>
</table>
<p></p>
</div>
<div class="subsection">
<p>This is optional. This element can be used to describe the
service in a
human readable format.</p>
<p></p>
</div>
<div class="subsection">
<p>This is optional. Can be used to engage modules at service
level.</p>
<table class="bodyTable">
<caption></caption><tbody>
<tr class="b">
<th>Attributes</th>
<th>Description</th>
<th>Possible Values</th>
</tr>
<tr class="a">
<td>ref</td>
<td>Name of the module which is to be engaged for the
service</td>
<td>Name of the module which is to be engaged at service
level.</td>
</tr>
</tbody>
</table>
<p></p>
<p></p>
</div>
<div class="subsection">
<p>The service element can have any number of parameters as sub
elements.</p>
<table class="bodyTable">
<caption></caption><tbody>
<tr class="a">
<th>Attribute</th>
<th>Detail</th>
</tr>
<tr class="b">
<td>name</td>
<td>
<table class="bodyTable">
<caption></caption><tbody>
<tr class="b">
<th>Description</th>
<th>Possible Value</th>
<th>Parameter Value</th>
</tr>
<tr class="a">
<td>Specifies the name of the shared library that
holds the service implementation</td>
<td>serviceClass</td>
<td>the service name. Example: echo</td>
</tr>
<tr class="a">
<td>Path of static WSDL to be attached with service</td>
<td>wsdl_path</td>
<td>Absolute path or path relative to AXIS2C_HOME/bin</td>
</tr>
<tr class="a">
<td>Default HTTP Method used in a REST invocation</td>
<td>defaultRESTMethod</td>
<td>One of GET, POST, HEAD, PUT or DELETE</td>
</tr>
</tbody>
</table>
</td>
</tr>
<tr class="b">
<td>locked</td>
<td>
<table class="bodyTable">
<caption></caption><tbody>
<tr class="b">
<th>Description</th>
<th>Possible Value</th>
</tr>
<tr class="a">
<td>Indicates whether the parameter can be changed
from the code</td>
<td>true/false</td>
</tr>
</tbody>
</table>
</td>
</tr>
</tbody>
</table>
<p></p>
</div>
<div class="subsection">
<p>The operations of the service are specified using operation
elements.</p>
<table class="bodyTable">
<caption></caption><tbody>
<tr class="a">
<th>Attributes</th>
<th>Description</th>
<th>Possible Values</th>
</tr>
<tr class="b">
<td>name</td>
<td>name of the operation</td>
<td>Example: echoString</td>
</tr>
<tr class="b">
<td>mep</td>
<td>message exchange pattern uri. <p>This is defaulted to in-out MEP. For other MEPs, You need to specify the MEP.</p></td>
<td>Example: "http://www.w3.org/2004/08/wsdl/in-only"</td>

</tr>
</tbody>
</table>
<p>Sub elements of <em>operation</em>: <em>parameter</em>
elements can be
present as sub elements. Zero or more parameters may be present.</p>
<table class="bodyTable">
<caption></caption><tbody>
<tr class="a">
<th>Attribute</th>
<th>Detail</th>
</tr>
<tr class="b">
<td>name</td>
<td>
<table class="bodyTable">
<caption></caption><tbody>
<tr class="b">
<th>Description</th>
<th>Possible Value</th>
<th>Parameter Value</th>
</tr>
<tr class="a">
<td>WS-Addressing action mapping to the operation</td>
<td>wsamapping</td>
<td>A URL representing the WS-Addressing action
corresponding to the operation</td>
</tr>
<tr class="a">
<td>REST template mapping to the operation</td>
<td>RESTLocation</td>
<td>A template of the expected URL for the operation,
with compulsary parts and optional parts, well defined</td>
</tr>
<tr class="a">
<td>HTTP Method used in a REST invocation</td>
<td>RESTMethod</td>
<td>One of GET, POST, HEAD, PUT or DELETE</td>
</tr>
</tbody>
</table>
</td>
</tr>
</tbody>
</table>
<p>Also, an <em>operation</em> element can have one
or more <em>actionMapping</em> element as sub elements.</p>
<table class="bodyTable">
<caption></caption><tbody>
<tr class="a">
<th>Description</th>
<th>Possible Values</th>
</tr>
<tr class="b">
<td>Action mapping or an alias to an operation</td>
<td>Example: echoString</td>
</tr>
</tbody>
</table>
<p></p>
</div>
<div class="subsection">
<p>An operation specific message receiver is specified from this.
This is
optional.</p>
<table class="bodyTable">
<caption></caption><tbody>
<tr class="a">
<th>Attributes</th>
<th>Description</th>
<th>Possible Values</th>
</tr>
<tr class="b">
<td>class</td>
<td>Shared library with the message receiver implementation</td>
<td>Name of the shared library.
<p>Example: On Linux, if the value is given as <em>foo</em>,
then the shared library is libfoo.so.</p>
<p>On MS Windows, <em>foo.dll</em>.</p>
</td>
</tr>
</tbody>
</table>
<p style="margin-bottom: 0in;"><br />
</p>
<p><a name="appC"></a></p>
</div>
</div>
<div class="section"><a name="Appendix_C_-_module_xml"></a>
<h2>Appendix C - module.xml</h2>
<p>The module.xml file provides the configuration details for a
particular
module in Axis2/C. The top level element is <em>module</em>.</p>
<div class="subsection"><a name="module"></a>
<h3>module</h3>
<table class="bodyTable">
<caption></caption><tbody>
<tr class="a">
<th>Attributes</th>
<th>Description</th>
<th>Possible Values</th>
</tr>
<tr class="b">
<td>name</td>
<td>Name of the module</td>
<td>Example- addressing</td>
</tr>
<tr class="a">
<td>class</td>
<td>Specifies the shared library which implements the
module.</td>
<td>Name of the shared library.
<p>Example- On Linux, if the value is given as <em>foo</em>,
then the shared library is libfoo.so.</p>
<p>On MS Windows, <em>foo.dll</em>.</p>
</td>
</tr>
</tbody>
</table>
<p></p>
<p>Other elements are child elements of <em>module</em>.</p>
<p></p>
</div>
<div class="subsection"><a name="parameter"></a>
<h3>parameter</h3>
<p>Any number of parameters can be present, depending on the
module.</p>
<table class="bodyTable">
<caption></caption><tbody>
<tr class="b">
<th>Attributes</th>
<th>Description</th>
<th>Possible Values</th>
</tr>
<tr class="a">
<td>name</td>
<td>Name of the parameter</td>
<td>Depends on the module</td>
</tr>
<tr class="b">
<td>locked</td>
<td>Indicates whether the parameter can be changed from the
code</td>
<td>true - cannot be changed
<p>false - can be changed</p>
</td>
</tr>
</tbody>
</table>
<p></p>
</div>
<div class="subsection"><a name="Description"></a>
<h3>Description</h3>
<p>Describes the behavior of the module. This element is optional
and has no
attributes or sub elements.</p>
</div>
<div class="subsection"><a name="inflow"></a>
<h3>inflow</h3>
<p>Encapsulates details added to the in-flow by the module. Zero
or one
element is possible and does not have any attributes.</p>
<p>Sub elements of <em>inflow</em> : <em>handler</em>,
contains details about
the module specific handlers added to a particular flow. Zero or more
handlers can be added.</p>
<table class="bodyTable">
<caption></caption><tbody>
<tr class="a">
<th>Attributes</th>
<th>Description</th>
<th>Possible Values</th>
</tr>
<tr class="b">
<td>name</td>
<td>Name of the handler</td>
<td>Depends on the handlers in the module.</td>
</tr>
<tr class="a">
<td>class</td>
<td>Specifies the shared library which implements the
handler</td>
<td>
<p>Name of the shared library.</p>
<p>Example: On Linux, if the value is given as <em>foo,</em>
then the shared library is libfoo.so.</p>
<p>On MS Windows, <em>foo.dll</em>.</p>
</td>
</tr>
</tbody>
</table>
<p></p>
<p>sub elements of <em>handler</em> : <em>order</em>,
specifies where to put
a handler in a particular phase.</p>
<table class="bodyTable">
<caption></caption><tbody>
<tr class="b">
<th>Attribute</th>
<th>Description</th>
<th>Possible Values</th>
</tr>
<tr class="a">
<td>phase</td>
<td>The name of the phase the handler belongs to</td>
<td>depends on the handler</td>
</tr>
<tr class="b">
<td>phaseLast</td>
<td>Indicates that the handler is the last handler of the
phase</td>
<td>true</td>
</tr>
<tr class="a">
<td>phaseFirst</td>
<td>Indicates that the handler is the first handler of the
phase.</td>
<td>true</td>
</tr>
<tr class="b">
<td>before</td>
<td>Handler should be invoked before the handler, which is
specified by the before handler</td>
<td>handler name</td>
</tr>
<tr class="a">
<td>after</td>
<td>Handler should be invoked after the handler, which is
specified by the after handler</td>
<td>handler name</td>
</tr>
</tbody>
</table>
<p>From the above attributes, phase is compulsory. Given below
are
combinations possible from the other four attributes.</p>
<table class="bodyTable">
<caption></caption><tbody>
<tr class="b">
<th>Combination</th>
<th>Description</th>
</tr>
<tr class="a">
<td>phaseLast</td>
<td>Indicates that the handler is the last handler of the
phase</td>
</tr>
<tr class="b">
<td>phasefirst</td>
<td>Indicates that the handler is the first handler of the
phase.</td>
</tr>
<tr class="a">
<td>before</td>
<td>Handler should be invoked before the handler, which is
specified by the before handler</td>
</tr>
<tr class="b">
<td>after</td>
<td>Handler should be invoked after the handler, which is
specified by the after handler</td>
</tr>
<tr class="a">
<td>before &amp; after</td>
<td>Handler should be invoked before the handler specified
by the before handler, and
<p>after the handler specified by the after handler.</p>
</td>
</tr>
</tbody>
</table>
<p><em>outflow</em>, <em>INfaultflow</em>,
<em>OUTfaultflow</em> elements
have the same syntax as that of <em>inflow</em>.</p>
</div>
<div class="subsection"><a name="operation"></a>
<h3>operation</h3>
<p>This is used when a module wants to add operations to a
service that
engages the module.</p>
<table class="bodyTable">
<caption></caption><tbody>
<tr class="b">
<th>Attributes</th>
<th>Description</th>
<th>Possible Values</th>
</tr>
<tr class="a">
<td>name</td>
<td>Name of the operation (compulsory)</td>
<td>Depends on the module</td>
</tr>
<tr class="b">
<td>mep</td>
<td>Message Exchange Pattern</td>
<td>IN-OUT, IN-ONLY</td>
</tr>
</tbody>
</table>
<p>Sub elements of <em>operation</em> : Any number
of parameters can be
included as sub elements in the operation element.</p>
<p>The <em>messageReceiver</em> parameter specifies
the message receiver the
message is intended for. If it is not set, the default message receiver
is
used.</p>
<p style="margin-bottom: 0in;"><br />
</p>
<p><a name="appD"></a></p>
</div>
</div>
<div class="section"><a name="Appendix_D_-_axis2_options"></a>
<h2>Appendix D - axis2_options</h2>
<p>This section describes various types of options that can be
set with
<code>axis2_options</code>. These options are used by the
service client
before sending messages.</p>
<p><strong>axis2_options_set_action(options, env, action)</strong></p>
<p>Sets the WS-Addressing action that is to be set in the
addressing SOAP
headers.</p>
<table class="bodyTable">
<caption></caption><tbody>
<tr class="a">
<th>Parameter</th>
<th>Description</th>
</tr>
<tr class="b">
<td>axis2_options_t *options</td>
<td>Pointer to the options struct</td>
</tr>
<tr class="a">
<td>const axutil_env_t *env</td>
<td>Pointer to the environment struct</td>
</tr>
<tr class="b">
<td>const axis2_char_t *action</td>
<td>Pointer to the action string</td>
</tr>
</tbody>
</table>
<p></p>
<p><strong>axis2_options_set_fault_to(options, env,
fault_to)</strong></p>
<p>Sets the end point reference which may receive the message in
a case of a
SOAP fault.</p>
<table class="bodyTable">
<caption></caption><tbody>
<tr class="a">
<th>Parameter</th>
<th>Description</th>
</tr>
<tr class="b">
<td>axis2_options_t *options</td>
<td>Pointer to the options struct.</td>
</tr>
<tr class="a">
<td>const axutil_env_t *env</td>
<td>Pointer to the environment struct.</td>
</tr>
<tr class="b">
<td>axis2_endpoint_ref_t *fault_to</td>
<td>Pointer to the endpoint reference struct representing
the fault to address.</td>
</tr>
</tbody>
</table>
<p></p>
<p><strong>axis2_options_set_from(options, env, from)</strong></p>
<p>Some services need to know the source from which the message
comes. This
option sets the from endpoint</p>
<table class="bodyTable">
<caption></caption><tbody>
<tr class="a">
<th>Parameter</th>
<th>Description</th>
</tr>
<tr class="b">
<td>axis2_options_t *options</td>
<td>Pointer to the options struct.</td>
</tr>
<tr class="a">
<td>const axutil_env_t *env</td>
<td>Pointer to the environment struct.</td>
</tr>
<tr class="b">
<td>axis2_endpoint_ref_t *from</td>
<td>Pointer to the endpoint reference struct representing
the from address.</td>
</tr>
</tbody>
</table>
<p><strong>axis2_options_set_to(options, env, to)</strong></p>
<p>Sets the endpoint reference the message is destined to.</p>
<table class="bodyTable">
<caption></caption><tbody>
<tr class="a">
<th>Parameter</th>
<th>Description</th>
</tr>
<tr class="b">
<td>axis2_options_t *options</td>
<td>Pointer to the options struct.</td>
</tr>
<tr class="a">
<td>const axutil_env_t *env</td>
<td>Pointer to the environment struct.</td>
</tr>
<tr class="b">
<td>axis2_endpoint_ref_t *to</td>
<td>Pointer to the endpoint reference struct representing
the to address.</td>
</tr>
</tbody>
</table>
<p><strong>axis2_options_set_transport_receiver(options,
env,
receiver)</strong></p>
<p>Sets the transport receiver in an OUT-IN message exchange
scenario.</p>
<table class="bodyTable">
<caption></caption><tbody>
<tr class="a">
<th>Parameter</th>
<th>Description</th>
</tr>
<tr class="b">
<td>axis2_options_t *options</td>
<td>Pointer to the options struct.</td>
</tr>
<tr class="a">
<td>const axutil_env_t *env</td>
<td>Pointer to the environment struct.</td>
</tr>
<tr class="b">
<td>axis2_transport_receiver_t *receiver</td>
<td>Pointer to the transport receiver struct.</td>
</tr>
</tbody>
</table>
<p><strong>axis2_options_set_transport_in(options, env,
transport_in)</strong></p>
<p>Sets the transport-in description.</p>
<table class="bodyTable">
<caption></caption><tbody>
<tr class="a">
<th>Parameter</th>
<th>Description</th>
</tr>
<tr class="b">
<td>axis2_options_t *options</td>
<td>Pointer to the options struct.</td>
</tr>
<tr class="a">
<td>const axutil_env_t *env</td>
<td>Pointer to the environment struct.</td>
</tr>
<tr class="b">
<td>axis2_transport_in_desc_t *transport_in</td>
<td>Pointer to the transport_in struct.</td>
</tr>
</tbody>
</table>
<p></p>
<p><strong>axis2_options_set_transport_in_protocol(options,
env,
transport_in_protocol)</strong></p>
<p>Sets the transport-in protocol.</p>
<table class="bodyTable">
<caption></caption><tbody>
<tr class="a">
<th>Parameter</th>
<th>Description</th>
</tr>
<tr class="b">
<td>axis2_options_t *options</td>
<td>Pointer to the options struct.</td>
</tr>
<tr class="a">
<td>const axutil_env_t *env</td>
<td>Pointer to the environment struct.</td>
</tr>
<tr class="b">
<td>const AXIS2_TRANSPORT_ENUMS transport_in_protocol</td>
<td>The value indicating the transport protocol.</td>
</tr>
</tbody>
</table>
<p></p>
<p><strong>axis2_options_set_message_id(options, env,
message_id)</strong></p>
<p>Sets the message ID.</p>
<table class="bodyTable">
<caption></caption><tbody>
<tr class="a">
<th>Parameter</th>
<th>Description</th>
</tr>
<tr class="b">
<td>axis2_options_t *options</td>
<td>The pointer to the options struct.</td>
</tr>
<tr class="a">
<td>const axutil_env_t *env</td>
<td>The pointer to the environment struct.</td>
</tr>
<tr class="b">
<td>const axis2_char_t *message_id</td>
<td>The message ID string.</td>
</tr>
</tbody>
</table>
<p></p>
<p><strong>axis2_options_set_properties(options, env,
properties)</strong></p>
<p>Sets the properties hash map.</p>
<table class="bodyTable">
<caption></caption><tbody>
<tr class="a">
<th>Parameter</th>
<th>Description</th>
</tr>
<tr class="b">
<td>axis2_options_t *options</td>
<td>Pointer to the options struct.</td>
</tr>
<tr class="a">
<td>const axutil_env_t *env</td>
<td>Pointer to the environment struct.</td>
</tr>
<tr class="b">
<td>axis2_hash_t *properties</td>
<td>Pointer to the properties hash map.</td>
</tr>
</tbody>
</table>
<p></p>
<p><strong>axis2_options_set_property(options, env, key,
property)</strong></p>
<p>Sets a property with a given key value.</p>
<table class="bodyTable">
<caption></caption><tbody>
<tr class="a">
<th>Parameter</th>
<th>Description</th>
</tr>
<tr class="b">
<td>axis2_options_t *options</td>
<td>Pointer to the options struct.</td>
</tr>
<tr class="a">
<td>const axutil_env_t *env</td>
<td>Pointer to the environment struct.</td>
</tr>
<tr class="b">
<td>const axis2_char_t *property_key</td>
<td>The property key string.</td>
</tr>
<tr class="a">
<td>const void *property</td>
<td>Pointer to the property to be set.</td>
</tr>
</tbody>
</table>
<p></p>
<p><strong>axis2_options_set_relates_to(options, env,
relates_to)</strong></p>
<p>Sets the relates-to message information.</p>
<table class="bodyTable">
<caption></caption><tbody>
<tr class="b">
<th>Parameter</th>
<th>Description</th>
</tr>
<tr class="a">
<td>axis2_options_t *options</td>
<td>Pointer to the options struct.</td>
</tr>
<tr class="b">
<td>const axutil_env_t *env</td>
<td>Pointer to the environment struct.</td>
</tr>
<tr class="a">
<td>axis2_relates_to_t *relates_to</td>
<td>Pointer to the relates_to struct.</td>
</tr>
</tbody>
</table>
<p></p>
<p><strong>axis2_options_set_reply_to(options, env,
reply_to)</strong></p>
<p>Sets the reply-to address, when the client wants a reply to be
sent to a
different end point.</p>
<table class="bodyTable">
<caption></caption><tbody>
<tr class="b">
<th>Parameter</th>
<th>Description</th>
</tr>
<tr class="a">
<td>axis2_options_t *options</td>
<td>Pointer to the options struct.</td>
</tr>
<tr class="b">
<td>const axutil_env_t *env</td>
<td>Pointer to the environment struct.</td>
</tr>
<tr class="a">
<td>axis2_endpoint_ref_t *reply_to</td>
<td>Pointer to the endpoint reference struct representing
the reply-to address.</td>
</tr>
</tbody>
</table>
<p></p>
<p><strong>axis2_options_set_transport_out(options, env,
transport_out)</strong></p>
<p>Sets the transport-out description.</p>
<table class="bodyTable">
<caption></caption><tbody>
<tr class="b">
<th>Parameter</th>
<th>Description</th>
</tr>
<tr class="a">
<td>axis2_options_t *options</td>
<td>Pointer to the options struct.</td>
</tr>
<tr class="b">
<td>const axutil_env_t *env</td>
<td>Pointer to the environment struct.</td>
</tr>
<tr class="a">
<td>axis2_transport_out_desc_t *transport_out</td>
<td>Pointer to the transport-out description struct.</td>
</tr>
</tbody>
</table>
<p></p>
<p><strong>axis2_options_set_sender_transport(options, env,
sender_transport,
conf)</strong></p>
<p>Sets the sender transport.</p>
<table class="bodyTable">
<caption></caption><tbody>
<tr class="b">
<th>Parameter</th>
<th>Description</th>
</tr>
<tr class="a">
<td>axis2_options_t *options</td>
<td>Pointer to the options struct.</td>
</tr>
<tr class="b">
<td>const axutil_env_t *env</td>
<td>Pointer to the environment struct.</td>
</tr>
<tr class="a">
<td>const AXIS2_TRANSPORT_ENUMS sender_transport</td>
<td>The name of the sender transport to be set.</td>
</tr>
<tr class="b">
<td>axis2_conf_t *conf</td>
<td>Pointer to the conf struct. It is from the conf that
the transport is picked with the given name.</td>
</tr>
</tbody>
</table>
<p></p>
<p><strong>axis2_options_set_soap_version_uri(options, env,
soap_version_uri)</strong></p>
<p>Sets the SOAP version URI.</p>
<table class="bodyTable">
<caption></caption><tbody>
<tr class="a">
<th>Parameter</th>
<th>Description</th>
</tr>
<tr class="b">
<td>axis2_options_t *options</td>
<td>Pointer to the options struct.</td>
</tr>
<tr class="a">
<td>const axutil_env_t *env</td>
<td>Pointer to the environment struct.</td>
</tr>
<tr class="b">
<td>const axis2_char_t *soap_version_uri</td>
<td>URI of the SOAP version to be set.</td>
</tr>
</tbody>
</table>
<p></p>
<p><strong>axis2_options_set_timeout_in_milli_seconds(options,
env,
timeout_in_milli_seconds)</strong></p>
<p>Sets the time out in milli seconds. This is used in
asynchronous message
exchange scenarios to specify how long the call back object is to wait
for
the response.</p>
<table class="bodyTable">
<caption></caption><tbody>
<tr class="a">
<th>Parameter</th>
<th>Description</th>
</tr>
<tr class="b">
<td>axis2_options_t *options</td>
<td>Pointer to the options struct.</td>
</tr>
<tr class="a">
<td>const axutil_env_t *env</td>
<td>Pointer to the environment struct.</td>
</tr>
<tr class="b">
<td>const long timeout_in_milli_seconds</td>
<td>Timeout in milli seconds.</td>
</tr>
</tbody>
</table>
<p></p>
<p><strong>axis2_options_set_transport_info(options, env,
sender_transport,
receiver_transport, user_separate_listener)</strong></p>
<p>Sets the transport information. Transport information includes
the name of
the sender transport, name of the receiver transport, and whether a
separate
listener is to be used to receive a response.</p>
<table class="bodyTable">
<caption></caption><tbody>
<tr class="a">
<th>Parameter</th>
<th>Description</th>
</tr>
<tr class="b">
<td>axis2_options_t *options</td>
<td>Pointer to the options struct.</td>
</tr>
<tr class="a">
<td>const axutil_env_t *env</td>
<td>Pointer to the environment struct.</td>
</tr>
<tr class="b">
<td>const AXIS2_TRANSPORT_ENUMS sender_transport</td>
<td>Name of the sender transport to be used.</td>
</tr>
<tr class="a">
<td>const AXIS2_TRANSPORT_ENUMS receiver_transport</td>
<td>Name of the receiver transport to be used.</td>
</tr>
<tr class="b">
<td>const axis2_bool_t use_separate_listener</td>
<td>bool value indicating whether to use a separate
listener or not.</td>
</tr>
</tbody>
</table>
<p></p>
<p><strong>axis2_options_set_use_separate_listener(options,
env,
use_separate_listener)</strong></p>
<p>Sets the bool value indicating whether to use a separate
listener or not.
A separate listener is used when the transport is a one-way transport
and the
message exchange pattern is two way.</p>
<table class="bodyTable">
<caption></caption><tbody>
<tr class="a">
<th>Parameter</th>
<th>Description</th>
</tr>
<tr class="b">
<td>axis2_options_t *options</td>
<td>Pointer to the options struct.</td>
</tr>
<tr class="a">
<td>const axutil_env_t *env</td>
<td>Pointer to the environment struct.</td>
</tr>
<tr class="b">
<td>const axis2_bool_t use_separate_listener</td>
<td>bool value indicating whether to use a separate
listener or not</td>
</tr>
</tbody>
</table>
<p></p>
<p><strong>axis2_options_set_soap_version(options, env,
soap_version)</strong></p>
<p>Sets the SOAP version.</p>
<table class="bodyTable">
<caption></caption><tbody>
<tr class="a">
<th>Parameter</th>
<th>Description</th>
</tr>
<tr class="b">
<td>axis2_options_t *options</td>
<td>Pointer to the options struct.</td>
</tr>
<tr class="a">
<td>const axutil_env_t *env</td>
<td>Pointer to the environment struct.</td>
</tr>
<tr class="b">
<td>const int soap_version</td>
<td>SOAP version, either AXIOM_SOAP11 or AXIOM_SOAP12.</td>
</tr>
</tbody>
</table>
<p></p>
<p><strong>axis2_options_set_enable_mtom(options, env,
enable_mtom)</strong></p>
<p>Enable or disable MTOM handling when sending binary
attachments.</p>
<table class="bodyTable">
<caption></caption><tbody>
<tr class="a">
<th>Parameter</th>
<th>Description</th>
</tr>
<tr class="b">
<td>axis2_options_t *options</td>
<td>Pointer to the options struct.</td>
</tr>
<tr class="a">
<td>const axutil_env_t *env</td>
<td>Pointer to the environment struct.</td>
</tr>
<tr class="b">
<td>axis2_bool_t enable_mtom</td>
<td>AXIS2_TRUE if MTOM is to be enabled, else AXIS2_FALSE</td>
</tr>
</tbody>
</table>
<p></p>
<p><strong>axis2_options_set_enable_rest(options, env,
enable_rest)</strong></p>
<p>Enable or disable REST support.</p>
<table class="bodyTable">
<caption></caption><tbody>
<tr class="a">
<th>Parameter</th>
<th>Description</th>
</tr>
<tr class="b">
<td>axis2_options_t *options</td>
<td>Pointer to the options struct.</td>
</tr>
<tr class="a">
<td>const axutil_env_t *env</td>
<td>Pointer to the environment struct.</td>
</tr>
<tr class="b">
<td>axis2_bool_t enable_rest</td>
<td>AXIS2_TRUE if REST is to be enabled, else AXIS2_FALSE</td>
</tr>
</tbody>
</table>
<p><strong>axis2_options_set_http_auth_info(options, env,
username, password, auth_type)</strong></p>
<p>Sets HTTP Authentication information.</p>
<table class="bodyTable">
<caption></caption><tbody>
<tr class="a">
<th>Parameter</th>
<th>Description</th>
</tr>
<tr class="b">
<td>axis2_options_t *options</td>
<td>Pointer to the options struct.</td>
</tr>
<tr class="a">
<td>const axutil_env_t *env</td>
<td>Pointer to the environment struct.</td>
</tr>
<tr class="b">
<td>const axis2_char_t *username</td>
<td>String representing username</td>
</tr>
<tr class="a">
<td>const axis2_char_t *password</td>
<td>String representing password.</td>
</tr>
<tr class="b">
<td>const axis2_char_t *auth_type</td>
<td>use "Basic" to force basic authentication and "Digest"
to force digest authentication or NULL for not forcing authentication</td>
</tr>
</tbody>
</table>
<p><strong>axis2_options_set_proxy_auth_info(options, env,
username, password, auth_type)</strong></p>
<p>Sets Proxy Authentication information.</p>
<table class="bodyTable">
<caption></caption><tbody>
<tr class="a">
<th>Parameter</th>
<th>Description</th>
</tr>
<tr class="b">
<td>axis2_options_t *options</td>
<td>Pointer to the options struct.</td>
</tr>
<tr class="a">
<td>const axutil_env_t *env</td>
<td>Pointer to the environment struct.</td>
</tr>
<tr class="b">
<td>const axis2_char_t *username</td>
<td>String representing username</td>
</tr>
<tr class="a">
<td>const axis2_char_t *password</td>
<td>String representing password.</td>
</tr>
<tr class="b">
<td>const axis2_char_t *auth_type</td>
<td>use "Basic" to force basic authentication and "Digest"
to force digest authentication or NULL for not forcing authentication</td>
</tr>
</tbody>
</table>
<p><strong>axis2_options_set_test_http_auth(options, env,
test_http_auth)</strong></p>
<p>Enables testing of HTTP Authentication information.</p>
<table class="bodyTable">
<caption></caption><tbody>
<tr class="a">
<th>Parameter</th>
<th>Description</th>
</tr>
<tr class="b">
<td>axis2_options_t *options</td>
<td>Pointer to the options struct.</td>
</tr>
<tr class="a">
<td>const axutil_env_t *env</td>
<td>Pointer to the environment struct.</td>
</tr>
<tr class="b">
<td>const axis2_bool_t test_http_auth</td>
<td>bool value indicating whether to test or not,
AXIS2_TRUE to enable, AXIS2_FALSE to disable</td>
</tr>
</tbody>
</table>
<p><strong>axis2_options_set_test_proxy_auth(options, env,
test_proxy_auth)</strong></p>
<p>Enables testing of proxy Authentication information.</p>
<table class="bodyTable">
<caption></caption><tbody>
<tr class="a">
<th>Parameter</th>
<th>Description</th>
</tr>
<tr class="b">
<td>axis2_options_t *options</td>
<td>Pointer to the options struct.</td>
</tr>
<tr class="a">
<td>const axutil_env_t *env</td>
<td>Pointer to the environment struct.</td>
</tr>
<tr class="b">
<td>const axis2_bool_t test_proxy_auth</td>
<td>bool value indicating whether to test or not,
AXIS2_TRUE to enable, AXIS2_FALSE to disable</td>
</tr>
</tbody>
</table>
</div>
<div class="clear">
<hr /></div>
</div>

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