summaryrefslogtreecommitdiff
path: root/test/server.c
blob: 4c5087b8b788dbc957536c67cbd271a9d01d1d65 (plain)
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
223
224
225
226
227
228
229
230
231
232
233
234
235
236
237
238
239
240
241
242
243
244
245
246
247
248
249
250
251
252
253
254
255
256
257
258
259
260
261
262
263
264
265
266
/* ====================================================================
 * The Apache Software License, Version 1.1
 *
 * Copyright (c) 2000-2001 The Apache Software Foundation.  All rights
 * reserved.
 *
 * Redistribution and use in source and binary forms, with or without
 * modification, are permitted provided that the following conditions
 * are met:
 *
 * 1. Redistributions of source code must retain the above copyright
 *    notice, this list of conditions and the following disclaimer.
 *
 * 2. Redistributions in binary form must reproduce the above copyright
 *    notice, this list of conditions and the following disclaimer in
 *    the documentation and/or other materials provided with the
 *    distribution.
 *
 * 3. The end-user documentation included with the redistribution,
 *    if any, must include the following acknowledgment:
 *       "This product includes software developed by the
 *        Apache Software Foundation (http://www.apache.org/)."
 *    Alternately, this acknowledgment may appear in the software itself,
 *    if and wherever such third-party acknowledgments normally appear.
 *
 * 4. The names "Apache" and "Apache Software Foundation" must
 *    not be used to endorse or promote products derived from this
 *    software without prior written permission. For written
 *    permission, please contact apache@apache.org.
 *
 * 5. Products derived from this software may not be called "Apache",
 *    nor may "Apache" appear in their name, without prior written
 *    permission of the Apache Software Foundation.
 *
 * THIS SOFTWARE IS PROVIDED ``AS IS'' AND ANY EXPRESSED OR IMPLIED
 * WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
 * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
 * DISCLAIMED.  IN NO EVENT SHALL THE APACHE SOFTWARE FOUNDATION OR
 * ITS CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
 * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
 * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF
 * USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND
 * ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY,
 * OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT
 * OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
 * SUCH DAMAGE.
 * ====================================================================
 *
 * This software consists of voluntary contributions made by many
 * individuals on behalf of the Apache Software Foundation.  For more
 * information on the Apache Software Foundation, please see
 * <http://www.apache.org/>.
 */

#include <stdlib.h>
#include "apr_network_io.h"
#include "apr_errno.h"
#include "apr_general.h"
#include "apr_getopt.h"

#define STRLEN 15

int main(int argc, const char * const argv[])
{
    apr_pool_t *context;
    apr_socket_t *sock;
    apr_socket_t *sock2;
    apr_size_t length;
    apr_int32_t rv;
    apr_pollfd_t *sdset;
    char datasend[STRLEN];
    char datarecv[STRLEN] = "Recv data test";
    const char *bind_to_ipaddr = NULL;
    char *local_ipaddr, *remote_ipaddr;
    apr_port_t local_port, remote_port;
    apr_sockaddr_t *localsa = NULL, *remotesa;
    apr_status_t stat;
    int family = APR_UNSPEC;
    char buf[128];
    apr_getopt_t *opt;
    const char *optarg;
    char optchar;

    fprintf(stdout, "Initializing.........");
    if (apr_initialize() != APR_SUCCESS) {
        fprintf(stderr, "Something went wrong\n");
        exit(-1);
    }
    fprintf(stdout, "OK\n");
    atexit(apr_terminate);

    fprintf(stdout, "Creating context.......");
    if (apr_pool_create(&context, NULL) != APR_SUCCESS) {
        fprintf(stderr, "Could not create a context\n");
        exit(-1);
    }
    fprintf(stdout, "OK\n");

    if (apr_getopt_init(&opt, context, argc, argv)) {
        fprintf(stderr, "failed to initialize opts\n");
        exit(-1);
    }

    while ((stat = apr_getopt(opt, "i:", &optchar, &optarg)) == APR_SUCCESS) {
        switch(optchar) {
        case 'i':
            bind_to_ipaddr = optarg;
            break;
        }
    }
    if (stat != APR_EOF) {
        fprintf(stderr,
                "usage: %s [-i local-interface-address]\n",
                argv[0]);
        exit(-1);
    }

    if (bind_to_ipaddr) {
        /* First, parse/resolve ipaddr so we know what address family of
         * socket we need.  We'll use the returned sockaddr later when
         * we bind.
         */
        stat = apr_sockaddr_info_get(&localsa, bind_to_ipaddr, APR_UNSPEC, 8021, 0,
                               context);
        if (stat != APR_SUCCESS) {
            fprintf(stderr,
                    "Couldn't build the socket address correctly: %s\n",
                    apr_strerror(stat, buf, sizeof buf));
            exit(-1);
        }
        family = localsa->sa.sin.sin_family;
    }

    fprintf(stdout, "\tServer:  Creating new socket.......");
    if (apr_socket_create(&sock, family, SOCK_STREAM, context) != APR_SUCCESS) {
        fprintf(stderr, "Couldn't create socket\n");
        exit(-1);
    }
    fprintf(stdout, "OK\n");

    fprintf(stdout, "\tServer:  Setting socket option NONBLOCK.......");
    if (apr_setsocketopt(sock, APR_SO_NONBLOCK, 1) != APR_SUCCESS) {
        apr_socket_close(sock);
        fprintf(stderr, "Couldn't set socket option\n");
        exit(-1);
    }
    fprintf(stdout, "OK\n");

    fprintf(stdout, "\tServer:  Setting socket option REUSEADDR.......");
    if (apr_setsocketopt(sock, APR_SO_REUSEADDR, 1) != APR_SUCCESS) {
        apr_socket_close(sock);
        fprintf(stderr, "Couldn't set socket option\n");
        exit(-1);
    }
    fprintf(stdout, "OK\n");

    if (!localsa) {
        apr_socket_addr_get(&localsa, APR_LOCAL, sock);
        apr_sockaddr_port_set(localsa, 8021);
    }

    fprintf(stdout, "\tServer:  Binding socket to port.......");
    if ((stat = apr_bind(sock, localsa)) != APR_SUCCESS) {
        apr_socket_close(sock);
        fprintf(stderr, "Could not bind: %s\n",
                apr_strerror(stat, buf, sizeof buf));
        exit(-1);
    }
    fprintf(stdout, "OK\n");
    
    fprintf(stdout, "\tServer:  Listening to socket.......");
    if (apr_listen(sock, 5) != APR_SUCCESS) {
        apr_socket_close(sock);
        fprintf(stderr, "Could not listen\n");
        exit(-1);
    }
    fprintf(stdout, "OK\n");

    fprintf(stdout, "\tServer:  Setting up socket for polling.......");
    apr_poll_setup(&sdset, 1, context);
    apr_poll_socket_add(sdset, sock, APR_POLLIN);
    fprintf(stdout, "OK\n");
    
    fprintf(stdout, "\tServer:  Beginning to poll for socket.......");
    rv = 1; 
    if (apr_poll(sdset, &rv, -1) != APR_SUCCESS) {
        apr_socket_close(sock);
        fprintf(stderr, "Select caused an error\n");
        exit(-1);
    }
    else if (rv == 0) {
        apr_socket_close(sock);
        fprintf(stderr, "I should not return until rv == 1\n");
        exit(-1);
    }
    fprintf(stdout, "OK\n");

    fprintf(stdout, "\tServer:  Accepting a connection.......");
    if (apr_accept(&sock2, sock, context) != APR_SUCCESS) {
        apr_socket_close(sock);
        fprintf(stderr, "Could not accept connection.\n");
        exit(-1);
    }
    fprintf(stdout, "OK\n");

    apr_socket_addr_get(&remotesa, APR_REMOTE, sock2);
    apr_sockaddr_ip_get(&remote_ipaddr, remotesa);
    apr_sockaddr_port_get(&remote_port, remotesa);
    apr_socket_addr_get(&localsa, APR_LOCAL, sock2);
    apr_sockaddr_ip_get(&local_ipaddr, localsa);
    apr_sockaddr_port_get(&local_port, localsa);
    fprintf(stdout, "\tServer socket: %s:%u -> %s:%u\n", local_ipaddr, local_port, remote_ipaddr, remote_port);

    length = STRLEN;
    fprintf(stdout, "\tServer:  Trying to recv data from socket.......");
    if (apr_recv(sock2, datasend, &length) != APR_SUCCESS) {
        apr_socket_close(sock);
        apr_socket_close(sock2);
        fprintf(stderr, "Problem recving data\n");
        exit(-1);
    }
    if (strcmp(datasend, "Send data test")) {
        apr_socket_close(sock);
        apr_socket_close(sock2);
        fprintf(stderr, "I did not receive the correct data %s\n", datarecv);
        exit(-1);
    }
    fprintf(stdout, "OK\n");

    length = STRLEN;
    fprintf(stdout, "\tServer:  Sending data over socket.......");
    if (apr_send(sock2, datarecv, &length) != APR_SUCCESS) {
        apr_socket_close(sock);
        apr_socket_close(sock2);
        fprintf(stderr, "Problem sending data\n");
        exit(-1);
    }
    fprintf(stdout, "OK\n");
    
    fprintf(stdout, "\tServer:  Shutting down accepted socket.......");
    if (apr_shutdown(sock2, APR_SHUTDOWN_READ) != APR_SUCCESS) {
        apr_socket_close(sock);
        apr_socket_close(sock2);
        fprintf(stderr, "Problem shutting down\n");
        exit(-1);
    }
    fprintf(stdout, "OK\n");

    fprintf(stdout, "\tServer:  closing duplicate socket.......");
    if (apr_socket_close(sock2) != APR_SUCCESS) {
        apr_socket_close(sock);
        fprintf(stderr, "Problem closing down\n");
        exit(-1);
    }
    fprintf(stdout, "OK\n");
    
    fprintf(stdout, "\tServer:  closing original socket.......");
    if (apr_socket_close(sock) != APR_SUCCESS) {
        fprintf(stderr, "Problem closing down\n");
        exit(-1);
    }
    fprintf(stdout, "OK\n");

    return 1;
}