1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
195
196
197
198
199
200
201
202
203
204
205
206
207
208
209
210
211
212
213
214
215
216
217
218
219
220
221
222
|
/******************************************************************
* $Id: nanohttp-socket.h,v 1.27 2006/04/26 17:48:30 mrcsys Exp $
*
* CSOAP Project: A http client/server library in C
* Copyright (C) 2003 Ferhat Ayaz
*
* This library is free software; you can redistribute it and/or
* modify it under the terms of the GNU Library General Public
* License as published by the Free Software Foundation; either
* version 2 of the License, or (at your option) any later version.
*
* This library is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
* Library General Public License for more details.
*
* You should have received a copy of the GNU Library General Public
* License along with this library; if not, write to the
* Free Software Foundation, Inc., 59 Temple Place - Suite 330,
* Boston, MA 02111-1307, USA.
*
* Email: ayaz@jprogrammer.net
******************************************************************/
#ifndef NANO_HTTP_SOCKET_H
#define NANO_HTTP_SOCKET_H
#include <sys/types.h>
#include <sys/socket.h>
#include <netinet/in.h>
#include <time.h>
#ifdef HAVE_SSL
#include <openssl/ssl.h>
#endif
#ifdef WIN32
#include <winsock2.h>
#endif
#include <nanohttp/nanohttp-common.h>
#define HSOCKET_FREE -1
/*
Socket definition
*/
typedef struct hsocket_t
{
#ifdef WIN32
SOCKET sock;
#else
int sock;
#endif
struct sockaddr_in addr;
void *ssl;
}
hsocket_t; /* end of socket definition */
#ifdef __cplusplus
extern "C"
{
#endif
/**
Initializes the socket modul. This should be called only
once for an application.
@returns This function should always return H_OK.
*/
herror_t hsocket_module_init(int argc, char **argv);
/**
Destroys the socket modul. This should be called after
finishing an application.
*/
void hsocket_module_destroy(void);
/**
Initializes a given socket object. This function (or
hsokcet_init_ssl) should
be called for every socket before using it.
@param sock the destination socket to initialize.
@see hsocket_init_ssl
@returns This function should always return H_OK.
*/
herror_t hsocket_init(hsocket_t * sock);
/**
Destroys and releases a given socket.
@param sock the socket to destroy
*/
void hsocket_free(hsocket_t * sock);
/**
Connects to a given host. The hostname can be an IP number
or a humen readable hostname.
@param sock the destonation socket object to use
@param host hostname
@param port port number to connect to
@param ssl whether to open a SSL connection
@returns H_OK if success. One of the followings if fails:<P>
<BR>HSOCKET_ERROR_CREATE
<BR>HSOCKET_ERROR_GET_HOSTNAME
<BR>HSOCKET_ERROR_CONNECT
*/
herror_t hsocket_open(hsocket_t * sock, const char *host, int port,
int ssl);
/**
Close a socket connection.
@param sock the socket to close
*/
void hsocket_close(hsocket_t * sock);
/**
Binds a socket to a given port number. After bind you
can call hsocket_listen() to listen to the port.
@param sock socket to use.
@param port port number to bind to
@returns H_OK if success. One of the followings if fails:<P>
<BR>HSOCKET_ERROR_CREATE
<BR>HSOCKET_ERROR_BIND
@see hsocket_listen
*/
herror_t hsocket_bind(hsocket_t * sock, int port);
/**
Set the socket to the listen mode. You must bind
the socket to a port with hsocket_bind() before
you can listen to the port.
@param sock the socket to use
@returns H_OK if success. One of the followings if fails:<P>
<BR>HSOCKET_ERROR_NOT_INITIALIZED
<BR>HSOCKET_ERROR_LISTEN
*/
herror_t hsocket_listen(hsocket_t * sock);
/**
Accepts an incoming socket request. Note that this function
will not return until a socket connection is ready.
@param sock the socket which listents to a port
@param dest the destination socket which will be created
@returns H_OK if success. One of the followings if fails:<P>
<BR>HSOCKET_ERROR_NOT_INITIALIZED
<BR>HSOCKET_ERROR_ACCEPT
*/
herror_t hsocket_accept(hsocket_t * sock, hsocket_t * dest);
/**
Sends data throught the socket.
@param sock the socket to use to send the data
@param bytes bytes to send
@param size size of memory to sent pointed by bytes.
@returns H_OK if success. One of the followings if fails:<P>
<BR>HSOCKET_ERROR_NOT_INITIALIZED
<BR>HSOCKET_ERROR_SEND
*/
herror_t hsocket_nsend(hsocket_t * sock, const byte_t * bytes, int size);
/**
Sends a string throught the socket
@param sock the socket to use to send the data
@param str the null terminated string to sent
@returns H_OK if success. One of the followings if fails:<P>
<BR>HSOCKET_ERROR_NOT_INITIALIZED
<BR>HSOCKET_ERROR_SEND
*/
herror_t hsocket_send(hsocket_t * sock, const char *str);
int hsocket_select_read(int sock, char *buf, size_t len);
/**
Reads data from the socket.
@param sock the socket to read data from
@param buffer the buffer to use to save the readed bytes
@param size the maximum size of bytes to read
@param force if force is 1 then hsocket_read() will wait until
maximum size of bytes (size parameter) was readed. Otherwise
this function will not wait and will return with the bytes
quequed on the socket.
@returns This function will return -1 if an read error was occured.
Otherwise the return value is the size of bytes readed from
the socket.
*/
herror_t hsocket_read(hsocket_t * sock, byte_t * buffer, int size,
int force, int *readed);
#ifdef __cplusplus
}
#endif
#endif
|
