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
|
/******************************************************************
* $Id: client_post_chunked.c,v 1.1 2004/10/15 13:42:07 snowdrop Exp $
*
* CSOAP Project: A http client/server library in C (example)
* 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: ferhatayaz@yahoo.com
******************************************************************/
#include <nanohttp/nanohttp-client.h>
#include <stdio.h>
#define MAX_BUFFER_SIZE 1024
static
void show_response(hresponse_t *res)
{
hpair_t *pair;
byte_t buffer[MAX_BUFFER_SIZE+1];
int read;
if (res == NULL)
{
log_error1("Response is NULL!");
return;
}
log_info2("Spec : '%s'", res->spec);
log_info2("Status: %d", res->errcode);
log_info2("Desc : '%s'", res->desc);
pair = res->header;
while (pair != NULL) {
log_debug3("%s: %s", pair->key, pair->value);
pair = pair->next;
}
if (res->in == NULL)
{
log_warn1("No input stream!");
return;
}
while (http_input_stream_is_ready(res->in))
{
read = http_input_stream_read(res->in, buffer, MAX_BUFFER_SIZE);
buffer[read] = '\0';
puts(buffer);
}
}
int main(int argc, char *argv[])
{
httpc_conn_t *conn; /* Client connection object */
hresponse_t *res; /* Response object **/
char postdata[1054];
/* Check usage */
if (argc < 2) {
fprintf(stderr, "usage %s <url> \n", argv[0]);
exit(1);
}
/* Set log level to see more information written by the library */
log_set_level(HLOG_VERBOSE);
/* Initialize httpc module */
if (httpc_init(argc, argv))
{
log_error1("Can not init httpc");
return 1;
}
/* Create the client connection object */
conn = httpc_new();
/* Set header for chunked transport */
httpc_set_header(conn, HEADER_TRANSFER_ENCODING, TRANSFER_ENCODING_CHUNKED);
/* POSTing will be done in 3 steps
1. httpc_post_begin()
2. http_output_stream_write()
3. httpc_post_end()
*/
/* (1) First step begin the post request*/
if (httpc_post_begin(conn, argv[1]) != HSOCKET_OK)
{
log_error1("Can not begin posting\n");
httpc_free(conn);
exit(1);
}
/* (2) Post some data*/
while (1)
{
printf("\nEnter post data (max 1054). [Type '.' to end]: ");
gets(postdata);
if (!strcmp(postdata, "."))
break;
else if (http_output_stream_write(conn->out, postdata, strlen(postdata))
!= HSOCKET_OK )
{
log_error1("Can not post\n");
httpc_free(conn);
exit(1);
}
}
/* (3) End POSTing data and receive the response */
printf("\nReceiving ... \n ");
res = httpc_post_end(conn);
if (res == NULL)
{
log_error2("Error: %s", conn->errmsg);
httpc_free(conn);
exit(1);
}
show_response(res);
/* Clean up */
hresponse_free(res);
httpc_free(conn);
return 0;
}
|