Add sample to demonstrate the http cookie session support

git-svn-id: http://svn.apache.org/repos/asf/axis/axis2/c/core/trunk@958315 13f79535-47bb-0310-9956-ffa450edef68

13 files changed, 625 insertions, 2 deletions

diff --git a/samples/client/Makefile.am b/samples/client/Makefile.am
index 5e285b0..f57471d 100644
--- a/samples/client/Makefile.am
+++ b/samples/client/Makefile.am
@@ -1,2 +1,2 @@
-SUBDIRS = echo math google notify mtom yahoo amqp version mtom_callback
+SUBDIRS = echo math google notify mtom yahoo amqp version mtom_callback session
 EXTRA_DIST= Makefile.am
diff --git a/samples/client/session/Makefile.am b/samples/client/session/Makefile.am
new file mode 100644
index 0000000..47431ff
--- /dev/null
+++ b/samples/client/session/Makefile.am
@@ -0,0 +1,17 @@
+prgbindir=$(prefix)/samples/bin
+prgbin_PROGRAMS = session
+session_SOURCES = session.c
+
+session_LDADD   = $(LDFLAGS) \
+                -L$(AXIS2C_HOME)/lib \
+					-laxutil \
+                    -laxis2_axiom \
+                    -laxis2_engine \
+                    -laxis2_parser \
+                    -laxis2_http_sender \
+                    -laxis2_http_receiver \
+                    $(GUTHTHILA_LIBS)
+
+INCLUDES = @AXIS2INC@
+
+EXTRA_DIST=README.txt session.mk
diff --git a/samples/client/session/README.txt b/samples/client/session/README.txt
new file mode 100644
index 0000000..a3e8817
--- /dev/null
+++ b/samples/client/session/README.txt
@@ -0,0 +1,10 @@
+Client Sample -session

+-------------------

+

+This is a sample to help test http cookie session.

+This sample works with session service. When the service is accessed for the

+first time it will store some key value pairs in a session database. Then it will send

+back the session id and expire time in a cookie header. The client send these

+back in its subsequent requests to the service. Then the service will be able

+to retrieve the session values corresponding to the session id from it's

+internal session database.

diff --git a/samples/client/session/session.c b/samples/client/session/session.c
new file mode 100644
index 0000000..99221e9
--- /dev/null
+++ b/samples/client/session/session.c
@@ -0,0 +1,193 @@
+
+/*
+ * Licensed to the Apache Software Foundation (ASF) under one or more
+ * contributor license agreements.  See the NOTICE file distributed with
+ * this work for additional information regarding copyright ownership.
+ * The ASF licenses this file to You under the Apache License, Version 2.0
+ * (the "License"); you may not use this file except in compliance with
+ * the License.  You may obtain a copy of the License at
+ *
+ *      http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+#include <stdio.h>
+#include <axiom.h>
+#include <axis2_util.h>
+#include <axiom_soap.h>
+#include <axis2_client.h>
+
+axiom_node_t *build_om_payload_for_echo_svc(
+    const axutil_env_t * env);
+
+int
+main(
+    int argc,
+    char **argv)
+{
+    const axutil_env_t *env = NULL;
+    const axis2_char_t *address = NULL;
+    axis2_endpoint_ref_t *endpoint_ref = NULL;
+    axis2_options_t *options = NULL;
+    const axis2_char_t *client_home = NULL;
+    axis2_svc_client_t *svc_client = NULL;
+    axiom_node_t *payload = NULL;
+    axiom_node_t *ret_node = NULL;
+    axiom_node_t *payload2 = NULL;
+    axiom_node_t *ret_node2 = NULL;
+
+    /* Set up the environment */
+    env = axutil_env_create_all("echo.log", AXIS2_LOG_LEVEL_TRACE);
+
+    /* Set end point reference of echo service */
+    address = "http://localhost:9090/axis2/services/session";
+    if (argc > 1)
+    {
+        if (axutil_strcmp(argv[1], "-h") == 0)
+        {
+            printf("Usage : %s [endpoint_url]\n",
+                   argv[0]);
+            printf("use -h for help\n");
+            return 0;
+        }
+        else
+        {
+            address = argv[1];
+        }
+    }
+    printf("Using endpoint : %s\n", address);
+
+    /* Create EPR with given address */
+    endpoint_ref = axis2_endpoint_ref_create(env, address);
+
+    /* Setup options */
+    options = axis2_options_create(env);
+    axis2_options_set_to(options, env, endpoint_ref);
+    axis2_options_set_action(options, env,
+                             "http://ws.apache.org/axis2/c/samples/echoString");
+
+    /* Set up deploy folder. It is from the deploy folder, the configuration is picked up
+     * using the axis2.xml file.
+     * In this sample client_home points to the Axis2/C default deploy folder. The client_home can 
+     * be different from this folder on your system. For example, you may have a different folder 
+     * (say, my_client_folder) with its own axis2.xml file. my_client_folder/modules will have the 
+     * modules that the client uses
+     */
+    client_home = AXIS2_GETENV("AXIS2C_HOME");
+    if (!client_home || !strcmp(client_home, ""))
+        client_home = "../..";
+
+    /* Create service client */
+    svc_client = axis2_svc_client_create(env, client_home);
+    if (!svc_client)
+    {
+        printf
+            ("Error creating service client, Please check AXIS2C_HOME again\n");
+        AXIS2_LOG_ERROR(env->log, AXIS2_LOG_SI,
+                        "Stub invoke FAILED: Error code:" " %d :: %s",
+                        env->error->error_number,
+                        AXIS2_ERROR_GET_MESSAGE(env->error));
+        return -1;
+    }
+
+    /* Set service client options */
+    axis2_svc_client_set_options(svc_client, env, options);
+
+    /* Engage addressing module */
+    axis2_svc_client_engage_module(svc_client, env, AXIS2_MODULE_ADDRESSING);
+
+    /* Build the SOAP request message payload using OM API. */
+    payload = build_om_payload_for_echo_svc(env);
+
+    /* Send request */
+    ret_node = axis2_svc_client_send_receive(svc_client, env, payload);
+
+    if (ret_node)
+    {
+        axis2_char_t *om_str = NULL;
+        om_str = axiom_node_to_string(ret_node, env);
+        if (om_str)
+            printf("\nReceived OM : %s\n", om_str);
+        printf("\necho client invoke SUCCESSFUL!\n");
+
+        AXIS2_FREE(env->allocator, om_str);
+        ret_node = NULL;
+    }
+    else
+    {
+        AXIS2_LOG_ERROR(env->log, AXIS2_LOG_SI,
+                        "Stub invoke FAILED: Error code:" " %d :: %s",
+                        env->error->error_number,
+                        AXIS2_ERROR_GET_MESSAGE(env->error));
+        printf("echo client invoke FAILED!\n");
+    }
+
+    payload2 = build_om_payload_for_echo_svc(env);
+    ret_node2 = axis2_svc_client_send_receive(svc_client, env, payload2);
+    if (ret_node2)
+    {
+        axis2_char_t *om_str = NULL;
+        om_str = axiom_node_to_string(ret_node2, env);
+        if (om_str)
+            printf("\nReceived OM : %s\n", om_str);
+        printf("\necho client invoke SUCCESSFUL!\n");
+
+        AXIS2_FREE(env->allocator, om_str);
+        ret_node2 = NULL;
+    }
+    else
+    {
+        AXIS2_LOG_ERROR(env->log, AXIS2_LOG_SI,
+                        "Stub invoke FAILED: Error code:" " %d :: %s",
+                        env->error->error_number,
+                        AXIS2_ERROR_GET_MESSAGE(env->error));
+        printf("echo client invoke FAILED!\n");
+    }
+
+    if (svc_client)
+    {
+        axis2_svc_client_free(svc_client, env);
+        svc_client = NULL;
+    }
+
+    if (env)
+    {
+        axutil_env_free((axutil_env_t *) env);
+        env = NULL;
+    }
+
+    return 0;
+}
+
+/* build SOAP request message content using OM */
+axiom_node_t *
+build_om_payload_for_echo_svc(
+    const axutil_env_t * env)
+{
+    axiom_node_t *echo_om_node = NULL;
+    axiom_element_t *echo_om_ele = NULL;
+    axiom_node_t *text_om_node = NULL;
+    axiom_element_t *text_om_ele = NULL;
+    axiom_namespace_t *ns1 = NULL;
+    axis2_char_t *om_str = NULL;
+
+    ns1 = axiom_namespace_create(env, "http://ws.apache.org/axis2/services/echo", "ns1");
+    echo_om_ele = axiom_element_create(env, NULL, "echoString", ns1, &echo_om_node);
+    text_om_ele = axiom_element_create(env, echo_om_node, "text", NULL, &text_om_node);
+    axiom_element_set_text(text_om_ele, env, "Hello World!", text_om_node);
+    om_str = axiom_node_to_string(echo_om_node, env);
+	axiom_namespace_free(ns1, env);
+
+    if (om_str)
+    {
+        printf("\nSending OM : %s\n", om_str);
+        AXIS2_FREE(env->allocator, om_str);
+        om_str = NULL;
+    }
+    return echo_om_node;
+}
diff --git a/samples/client/session/session.mk b/samples/client/session/session.mk
new file mode 100644
index 0000000..8cec2e4
--- /dev/null
+++ b/samples/client/session/session.mk
@@ -0,0 +1,8 @@
+session:

+	@cl.exe /nologo /D "WIN32" /D "_WINDOWS" /D "AXIS2_DECLARE_EXPORT" /D "_MBCS" *.C /I.\..\..\..\include /c

+	@link.exe /nologo session.obj /LIBPATH:.\..\..\..\lib axiom.lib axutil.lib axis2_engine.lib axis2_parser.lib /OUT:session.exe

+

+	

+

+

+

diff --git a/samples/configure.ac b/samples/configure.ac
index 81e4a86..0810ff6 100644
--- a/samples/configure.ac
+++ b/samples/configure.ac
@@ -131,6 +131,7 @@ AC_CONFIG_FILES([Makefile \
     server/sg_math/Makefile \
     server/mtom/Makefile \
     server/mtom_callback/Makefile \
+    server/session/Makefile \
     client/Makefile \
     client/echo/Makefile \
     client/math/Makefile \
@@ -146,6 +147,7 @@ AC_CONFIG_FILES([Makefile \
     client/amqp/notify/Makefile \
     client/amqp/mtom/Makefile \
     client/amqp/mtom/resources/Makefile \
+    client/session/Makefile \
     user_guide/Makefile \
     user_guide/clients/Makefile \
     mtom_caching_callback/Makefile \
diff --git a/samples/server/Makefile.am b/samples/server/Makefile.am
index 677aad9..258d096 100644
--- a/samples/server/Makefile.am
+++ b/samples/server/Makefile.am
@@ -1,2 +1,2 @@
-SUBDIRS = echo math notify sg_math mtom Calculator version mtom_callback
+SUBDIRS = echo math notify sg_math mtom Calculator version mtom_callback session
 EXTRA_DIST = axis2.xml 
diff --git a/samples/server/session/Makefile.am b/samples/server/session/Makefile.am
new file mode 100644
index 0000000..146e073
--- /dev/null
+++ b/samples/server/session/Makefile.am
@@ -0,0 +1,9 @@
+prglibdir=$(prefix)/services/session
+prglib_LTLIBRARIES = libsession.la
+prglib_DATA= services.xml
+EXTRA_DIST = services.xml session.mk session.h
+noinst_HEADERS = session.h
+SUBDIRS =
+libsession_la_SOURCES = session.c session_skeleton.c
+libsession_la_LIBADD  =
+INCLUDES = @AXIS2INC@
diff --git a/samples/server/session/services.xml b/samples/server/session/services.xml
new file mode 100644
index 0000000..9a95f4f
--- /dev/null
+++ b/samples/server/session/services.xml
@@ -0,0 +1,34 @@
+<service name="session">
+    <parameter name="ServiceClass" locked="xsd:false">session</parameter>
+
+    <!--Uncomment to specify static WSDL path-->
+    <!--parameter name="wsdl_path">PATH</parameter-->
+
+    <!--Uncomment to include defaul method with REST as GET-->
+    <!--parameter name="defaultRESTMethod">GET</parameter-->
+
+    <description>
+        This is a testing service, to test whether the system is working or not
+    </description>
+
+    <operation name="echoString">
+            <!--messageReceiver class="axis2_receivers" /-->
+            <parameter name="wsamapping">http://ws.apache.org/axis2/c/samples/echoString</parameter>
+            <!--Please note that you can only have one RESTMethod and one RESTLocation-->
+            <!--Uncomment for POST method with REST-->
+            <parameter name="RESTMethod">POST</parameter>
+            <parameter name="RESTLocation">echoString</parameter>
+            <!--Uncomment for GET method -->
+            <!--parameter name="RESTMethod">GET</parameter>
+            <parameter name="RESTLocation">get_echo/{param}</parameter-->
+            <!--Uncomment for PUT method -->
+            <!--parameter name="RESTMethod">PUT</parameter>
+            <parameter name="RESTLocation">put_echo/{param}</parameter-->
+            <!--Uncomment for DELETE method -->
+            <!--parameter name="RESTMethod">DELETE</parameter>
+            <parameter name="RESTLocation">delete_echo/{param}</parameter-->
+            <!--Uncomment for HEAD method -->
+            <!--parameter name="RESTMethod">HEAD</parameter>
+            <parameter name="RESTLocation">get_echo/{param}</parameter-->
+    </operation>
+</service>
diff --git a/samples/server/session/session.c b/samples/server/session/session.c
new file mode 100644
index 0000000..3ca31bc
--- /dev/null
+++ b/samples/server/session/session.c
@@ -0,0 +1,127 @@
+
+/*
+ * Licensed to the Apache Software Foundation (ASF) under one or more
+ * contributor license agreements.  See the NOTICE file distributed with
+ * this work for additional information regarding copyright ownership.
+ * The ASF licenses this file to You under the Apache License, Version 2.0
+ * (the "License"); you may not use this file except in compliance with
+ * the License.  You may obtain a copy of the License at
+ *
+ *      http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+#include "session.h"
+#include <axiom_xml_writer.h>
+#include <stdio.h>
+
+axiom_node_t *build_om_programatically(
+    const axutil_env_t * env,
+    axis2_char_t * text);
+
+void set_custom_error(
+    const axutil_env_t * env,
+    axis2_char_t * error_message);
+
+axiom_node_t *
+axis2_session_echo(
+    const axutil_env_t * env,
+    axiom_node_t * node,
+    axis2_msg_ctx_t *msg_ctx)
+{
+    axiom_node_t *text_parent_node = NULL;
+    axiom_node_t *text_node = NULL;
+    axiom_node_t *ret_node = NULL;
+    axutil_hash_t *st = NULL;
+
+    AXIS2_ENV_CHECK(env, NULL);
+
+    /* Expected request format is :-
+     * <ns1:echoString xmlns:ns1="http://ws.apache.org/axis2/c/samples">
+     *      <text>echo5</text>
+     * </ns1:echoString>
+     */
+    if (!node)                  /* 'echoString' node */
+    {
+        set_custom_error(env, "Invalid payload; echoString node is NULL");
+        return NULL;
+    }
+
+    text_parent_node = axiom_node_get_first_element(node, env);
+    if (!text_parent_node)
+    {
+        set_custom_error(env, "Invalid payload; text node is NULL");
+        return NULL;
+    }
+
+    text_node = axiom_node_get_first_child(text_parent_node, env);
+    if (!text_node)             /* actual text to echo */
+    {
+        set_custom_error(env, "Invalid payload; text to be echoed is NULL");
+        return NULL;
+    }
+
+    if (axiom_node_get_node_type(text_node, env) == AXIOM_TEXT)
+    {
+        axiom_text_t *text =
+            (axiom_text_t *) axiom_node_get_data_element(text_node, env);
+        if (text && axiom_text_get_value(text, env))
+        {
+            axis2_char_t *text_str =
+                (axis2_char_t *) axiom_text_get_value(text, env);
+            ret_node = build_om_programatically(env, text_str);
+        }
+    }
+    else
+    {
+        set_custom_error(env, "Invalid payload; invalid XML in request");
+        return NULL;
+    }
+
+    st = axis2_msg_ctx_get_property_value(msg_ctx, env, "session-table");
+    if(!st)
+    {
+        axutil_property_t *property = NULL;
+
+        st= axutil_hash_make(env);
+        axutil_hash_set(st, "name", AXIS2_HASH_KEY_STRING, "Axis2/C");
+        axutil_hash_set(st, "age", AXIS2_HASH_KEY_STRING, "5 years");
+        property = axutil_property_create_with_args(env, AXIS2_SCOPE_REQUEST, AXIS2_FALSE, 0, st);
+        axis2_msg_ctx_set_property(msg_ctx, env, "session-table", property);
+    }
+
+    return ret_node;
+}
+
+/* Builds the response content */
+axiom_node_t *
+build_om_programatically(
+    const axutil_env_t * env,
+    axis2_char_t * text)
+{
+    axiom_node_t *echo_om_node = NULL;
+    axiom_element_t *echo_om_ele = NULL;
+    axiom_node_t *text_om_node = NULL;
+    axiom_element_t *text_om_ele = NULL;
+    axiom_namespace_t *ns1 = NULL;
+
+    ns1 = axiom_namespace_create(env, "http://ws.apache.org/axis2/c/samples", "ns1");
+    echo_om_ele = axiom_element_create(env, NULL, "echoString", ns1, &echo_om_node);
+    text_om_ele = axiom_element_create(env, echo_om_node, "text", NULL, &text_om_node);
+    axiom_element_set_text(text_om_ele, env, text, text_om_node);
+	axiom_namespace_free(ns1, env);
+    return echo_om_node;
+}
+
+void
+set_custom_error(
+    const axutil_env_t * env,
+    axis2_char_t * error_message)
+{
+    axutil_error_set_error_message(env->error, error_message);
+    AXIS2_ERROR_SET(env->error, AXIS2_ERROR_LAST + 1, AXIS2_FAILURE);
+}
diff --git a/samples/server/session/session.h b/samples/server/session/session.h
new file mode 100644
index 0000000..3db622e
--- /dev/null
+++ b/samples/server/session/session.h
@@ -0,0 +1,33 @@
+
+/*
+ * Licensed to the Apache Software Foundation (ASF) under one or more
+ * contributor license agreements.  See the NOTICE file distributed with
+ * this work for additional information regarding copyright ownership.
+ * The ASF licenses this file to You under the Apache License, Version 2.0
+ * (the "License"); you may not use this file except in compliance with
+ * the License.  You may obtain a copy of the License at
+ *
+ *      http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+#ifndef SESSION_H
+#define SESSION_H
+
+#include <axis2_svc_skeleton.h>
+#include <axutil_log_default.h>
+#include <axutil_error_default.h>
+#include <axiom_text.h>
+#include <axiom_node.h>
+#include <axiom_element.h>
+
+axiom_node_t *axis2_session_echo(
+    const axutil_env_t * env,
+    axiom_node_t * node,
+    axis2_msg_ctx_t *msg_ctx);
+
+#endif                          /* SESSION_H */
diff --git a/samples/server/session/session.mk b/samples/server/session/session.mk
new file mode 100644
index 0000000..a5352ed
--- /dev/null
+++ b/samples/server/session/session.mk
@@ -0,0 +1,8 @@
+session:

+	@cl.exe /nologo /D "WIN32" /D "_WINDOWS" /D "_MBCS" *.C /I.\..\..\..\include /c

+	@link.exe /nologo *.obj /LIBPATH:.\..\..\..\lib axiom.lib axutil.lib axis2_engine.lib axis2_parser.lib /DLL /OUT:session.dll

+

+	

+

+

+

diff --git a/samples/server/session/session_skeleton.c b/samples/server/session/session_skeleton.c
new file mode 100644
index 0000000..8495d46
--- /dev/null
+++ b/samples/server/session/session_skeleton.c
@@ -0,0 +1,182 @@
+
+/*
+ * Licensed to the Apache Software Foundation (ASF) under one or more
+ * contributor license agreements.  See the NOTICE file distributed with
+ * this work for additional information regarding copyright ownership.
+ * The ASF licenses this file to You under the Apache License, Version 2.0
+ * (the "License"); you may not use this file except in compliance with
+ * the License.  You may obtain a copy of the License at
+ *
+ *      http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+#include <axis2_svc_skeleton.h>
+#include "session.h"
+#include <axutil_array_list.h>
+#include <axis2_msg_ctx.h>
+#include <stdio.h>
+
+int AXIS2_CALL session_free(
+    axis2_svc_skeleton_t * svc_skeleton,
+    const axutil_env_t * env);
+
+/*
+ * This method invokes the right service method
+ */
+axiom_node_t *AXIS2_CALL session_invoke(
+    axis2_svc_skeleton_t * svc_skeleton,
+    const axutil_env_t * env,
+    axiom_node_t * node,
+    axis2_msg_ctx_t * msg_ctx);
+
+int AXIS2_CALL session_init(
+    axis2_svc_skeleton_t * svc_skeleton,
+    const axutil_env_t * env);
+
+axiom_node_t *AXIS2_CALL session_on_fault(
+    axis2_svc_skeleton_t * svc_skeli,
+    const axutil_env_t * env,
+    axiom_node_t * node);
+
+static const axis2_svc_skeleton_ops_t session_svc_skeleton_ops_var = {
+    session_init,
+    session_invoke,
+    session_on_fault,
+    session_free
+};
+
+/*Create function */
+axis2_svc_skeleton_t *
+axis2_session_create(
+    const axutil_env_t * env)
+{
+    axis2_svc_skeleton_t *svc_skeleton = NULL;
+    /* Allocate memory for the structs */
+    svc_skeleton = AXIS2_MALLOC(env->allocator, sizeof(axis2_svc_skeleton_t));
+
+    svc_skeleton->ops = &session_svc_skeleton_ops_var;
+
+    svc_skeleton->func_array = NULL;
+
+    return svc_skeleton;
+}
+
+/* Initialize the service */
+int AXIS2_CALL
+session_init(
+    axis2_svc_skeleton_t * svc_skeleton,
+    const axutil_env_t * env)
+{
+    /* Any initialization stuff of session service should go here */
+    return AXIS2_SUCCESS;
+}
+
+/*
+ * This method invokes the right service method
+ */
+axiom_node_t *AXIS2_CALL
+session_invoke(
+    axis2_svc_skeleton_t * svc_skeleton,
+    const axutil_env_t * env,
+    axiom_node_t * node,
+    axis2_msg_ctx_t * msg_ctx)
+{
+    /* Invoke the business logic.
+     * Depending on the function name invoke the correct impl method.
+     * We have only echo in this sample, hence invoke echo method.
+     * To see how to deal with multiple impl methods, have a look at the
+     * math sample.
+     */
+	axis2_endpoint_ref_t* to_epr = NULL;
+	to_epr = axis2_msg_ctx_get_to(msg_ctx, env);
+	
+	if (to_epr)
+	{
+		axis2_char_t* to_address = NULL;
+		to_address = (axis2_char_t*)axis2_endpoint_ref_get_address(to_epr, env);
+	
+		if (to_address && strstr(to_address, AXIS2_ANON_SERVICE))
+		{
+			axis2_msg_ctx_set_wsa_action(msg_ctx, env, AXIS2_ANON_OUT_IN_OP);
+		}
+	}
+
+    return axis2_session_echo(env, node, msg_ctx);
+}
+
+/* On fault, handle the fault */
+axiom_node_t *AXIS2_CALL
+session_on_fault(
+    axis2_svc_skeleton_t * svc_skeli,
+    const axutil_env_t * env,
+    axiom_node_t * node)
+{
+    /* Here we are just setting a simple error message inside an element
+     * called 'SessionServiceError' 
+     */
+    axiom_node_t *error_node = NULL;
+    axiom_element_t *error_ele = NULL;
+
+    error_ele =
+        axiom_element_create(env, NULL, "SessionServiceError", NULL, &error_node);
+    axiom_element_set_text(error_ele, env, "Session service failed ", error_node);
+    return error_node;
+}
+
+/* Free the resources used */
+int AXIS2_CALL
+session_free(
+    axis2_svc_skeleton_t * svc_skeleton,
+    const axutil_env_t * env)
+{
+    /* Free the function array */
+    if (svc_skeleton->func_array)
+    {
+        axutil_array_list_free(svc_skeleton->func_array, env);
+        svc_skeleton->func_array = NULL;
+    }
+
+    /* Free the service skeleton */
+    if (svc_skeleton)
+    {
+        AXIS2_FREE(env->allocator, svc_skeleton);
+        svc_skeleton = NULL;
+    }
+
+    return AXIS2_SUCCESS;
+}
+
+/**
+ * Following block distinguish the exposed part of the dll.
+ */
+AXIS2_EXPORT int
+axis2_get_instance(
+    axis2_svc_skeleton_t ** inst,
+    const axutil_env_t * env)
+{
+    *inst = axis2_session_create(env);
+    if (!(*inst))
+    {
+        return AXIS2_FAILURE;
+    }
+
+    return AXIS2_SUCCESS;
+}
+
+AXIS2_EXPORT int
+axis2_remove_instance(
+    axis2_svc_skeleton_t * inst,
+    const axutil_env_t * env)
+{
+    axis2_status_t status = AXIS2_FAILURE;
+    if (inst)
+    {
+        status = AXIS2_SVC_SKELETON_FREE(inst, env);
+    }
+    return status;
+}