Benny Prijono | dd859a6 | 2005-11-01 16:42:51 +0000 | [diff] [blame^] | 1 | /* $Header: /pjproject-0.3/pjlib/src/pjlib-test/echo_srv.c 3 10/29/05 10:23p Bennylp $ */ |
| 2 | /* |
| 3 | * $Log: /pjproject-0.3/pjlib/src/pjlib-test/echo_srv.c $ |
| 4 | * |
| 5 | * 3 10/29/05 10:23p Bennylp |
| 6 | * Changed ioqueue accept specification. |
| 7 | * |
| 8 | * 2 10/29/05 11:51a Bennylp |
| 9 | * Version 0.3-pre2. |
| 10 | * |
| 11 | * 1 10/24/05 11:28a Bennylp |
| 12 | * Created. |
| 13 | * |
| 14 | */ |
| 15 | #include "test.h" |
| 16 | #include <pjlib.h> |
| 17 | #include <pj/compat/high_precision.h> |
| 18 | |
| 19 | #if INCLUDE_ECHO_SERVER |
| 20 | |
| 21 | static pj_bool_t thread_quit_flag; |
| 22 | |
| 23 | struct server |
| 24 | { |
| 25 | pj_pool_t *pool; |
| 26 | int sock_type; |
| 27 | int thread_count; |
| 28 | pj_ioqueue_t *ioqueue; |
| 29 | pj_sock_t sock; |
| 30 | pj_sock_t client_sock; |
| 31 | pj_ioqueue_key_t *key; |
| 32 | pj_ioqueue_callback cb; |
| 33 | char *buf; |
| 34 | pj_size_t bufsize; |
| 35 | pj_sockaddr_in addr; |
| 36 | int addrlen; |
| 37 | pj_size_t bytes_recv; |
| 38 | pj_timestamp start_time; |
| 39 | }; |
| 40 | |
| 41 | static void on_read_complete(pj_ioqueue_key_t *key, pj_ssize_t bytes_read) |
| 42 | { |
| 43 | struct server *server = pj_ioqueue_get_user_data(key); |
| 44 | pj_status_t rc; |
| 45 | |
| 46 | if (server->sock_type == PJ_SOCK_DGRAM) { |
| 47 | if (bytes_read > 0) { |
| 48 | /* Send data back to sender. */ |
| 49 | rc = pj_ioqueue_sendto( server->ioqueue, server->key, |
| 50 | server->buf, bytes_read, 0, |
| 51 | &server->addr, server->addrlen); |
| 52 | if (rc != PJ_SUCCESS && rc != PJ_EPENDING) { |
| 53 | app_perror("...sendto() error", rc); |
| 54 | } |
| 55 | } else { |
| 56 | PJ_LOG(3,("", "...read error (bytes_read=%d)", bytes_read)); |
| 57 | } |
| 58 | |
| 59 | /* Start next receive. */ |
| 60 | rc = pj_ioqueue_recvfrom( server->ioqueue, server->key, |
| 61 | server->buf, server->bufsize, 0, |
| 62 | &server->addr, &server->addrlen); |
| 63 | if (rc != PJ_SUCCESS && rc != PJ_EPENDING) { |
| 64 | app_perror("...recvfrom() error", rc); |
| 65 | } |
| 66 | |
| 67 | } |
| 68 | else if (server->sock_type == PJ_SOCK_STREAM) { |
| 69 | if (bytes_read > 0) { |
| 70 | /* Send data back to sender. */ |
| 71 | rc = pj_ioqueue_send( server->ioqueue, server->key, |
| 72 | server->buf, bytes_read, 0); |
| 73 | if (rc != PJ_SUCCESS && rc != PJ_EPENDING) { |
| 74 | app_perror("...send() error", rc); |
| 75 | bytes_read = 0; |
| 76 | } |
| 77 | } |
| 78 | |
| 79 | if (bytes_read <= 0) { |
| 80 | PJ_LOG(3,("", "...tcp closed")); |
| 81 | pj_ioqueue_unregister( server->ioqueue, server->key ); |
| 82 | pj_sock_close( server->sock ); |
| 83 | pj_pool_release( server->pool ); |
| 84 | return; |
| 85 | } |
| 86 | |
| 87 | /* Start next receive. */ |
| 88 | rc = pj_ioqueue_recv( server->ioqueue, server->key, |
| 89 | server->buf, server->bufsize, 0); |
| 90 | if (rc != PJ_SUCCESS && rc != PJ_EPENDING) { |
| 91 | app_perror("...recv() error", rc); |
| 92 | } |
| 93 | } |
| 94 | |
| 95 | /* Add counter. */ |
| 96 | if (bytes_read > 0) { |
| 97 | if (server->bytes_recv == 0) { |
| 98 | pj_get_timestamp(&server->start_time); |
| 99 | server->bytes_recv += bytes_read; |
| 100 | } else { |
| 101 | enum { USECS_IN_SECOND = 1000000 }; |
| 102 | pj_timestamp now; |
| 103 | pj_uint32_t usec_elapsed; |
| 104 | |
| 105 | server->bytes_recv += bytes_read; |
| 106 | |
| 107 | pj_get_timestamp(&now); |
| 108 | usec_elapsed = pj_elapsed_usec(&server->start_time, &now); |
| 109 | if (usec_elapsed > USECS_IN_SECOND) { |
| 110 | if (usec_elapsed < 2 * USECS_IN_SECOND) { |
| 111 | pj_highprec_t bw; |
| 112 | pj_uint32_t bw32; |
| 113 | const char *type_name; |
| 114 | |
| 115 | /* bandwidth(bw) = server->bytes_recv * USECS/elapsed */ |
| 116 | bw = server->bytes_recv; |
| 117 | pj_highprec_mul(bw, USECS_IN_SECOND); |
| 118 | pj_highprec_div(bw, usec_elapsed); |
| 119 | |
| 120 | bw32 = (pj_uint32_t) bw; |
| 121 | |
| 122 | if (server->sock_type==PJ_SOCK_STREAM) |
| 123 | type_name = "tcp"; |
| 124 | else if (server->sock_type==PJ_SOCK_DGRAM) |
| 125 | type_name = "udp"; |
| 126 | else |
| 127 | type_name = "???"; |
| 128 | |
| 129 | PJ_LOG(3,("", |
| 130 | "...[%s:%d (%d threads)] Current bandwidth=%u KBps", |
| 131 | type_name, |
| 132 | ECHO_SERVER_START_PORT+server->thread_count, |
| 133 | server->thread_count, |
| 134 | bw32/1024)); |
| 135 | } |
| 136 | server->start_time = now; |
| 137 | server->bytes_recv = 0; |
| 138 | } |
| 139 | } |
| 140 | } |
| 141 | } |
| 142 | |
| 143 | static void on_accept_complete( pj_ioqueue_key_t *key, pj_sock_t sock, |
| 144 | int status) |
| 145 | { |
| 146 | struct server *server_server = pj_ioqueue_get_user_data(key); |
| 147 | pj_status_t rc; |
| 148 | |
| 149 | PJ_UNUSED_ARG(sock); |
| 150 | |
| 151 | if (status == 0) { |
| 152 | pj_pool_t *pool; |
| 153 | struct server *new_server; |
| 154 | |
| 155 | pool = pj_pool_create(mem, NULL, 4000, 4000, NULL); |
| 156 | new_server = pj_pool_zalloc(pool, sizeof(struct server)); |
| 157 | |
| 158 | new_server->pool = pool; |
| 159 | new_server->ioqueue = server_server->ioqueue; |
| 160 | new_server->sock_type = server_server->sock_type; |
| 161 | new_server->thread_count = server_server->thread_count; |
| 162 | new_server->sock = server_server->client_sock; |
| 163 | new_server->bufsize = 4096; |
| 164 | new_server->buf = pj_pool_alloc(pool, new_server->bufsize); |
| 165 | new_server->cb = server_server->cb; |
| 166 | |
| 167 | rc = pj_ioqueue_register_sock( new_server->pool, new_server->ioqueue, |
| 168 | new_server->sock, new_server, |
| 169 | &server_server->cb, &new_server->key); |
| 170 | if (rc != PJ_SUCCESS) { |
| 171 | app_perror("...registering new tcp sock", rc); |
| 172 | pj_sock_close(new_server->sock); |
| 173 | pj_pool_release(pool); |
| 174 | thread_quit_flag = 1; |
| 175 | return; |
| 176 | } |
| 177 | |
| 178 | rc = pj_ioqueue_recv( new_server->ioqueue, new_server->key, |
| 179 | new_server->buf, new_server->bufsize, 0); |
| 180 | if (rc != PJ_SUCCESS && rc != PJ_EPENDING) { |
| 181 | app_perror("...recv() error", rc); |
| 182 | pj_sock_close(new_server->sock); |
| 183 | pj_pool_release(pool); |
| 184 | thread_quit_flag = 1; |
| 185 | return; |
| 186 | } |
| 187 | } |
| 188 | |
| 189 | rc = pj_ioqueue_accept( server_server->ioqueue, server_server->key, |
| 190 | &server_server->client_sock, |
| 191 | NULL, NULL, NULL); |
| 192 | if (rc != PJ_SUCCESS && rc != PJ_EPENDING) { |
| 193 | app_perror("...accept() error", rc); |
| 194 | thread_quit_flag = 1; |
| 195 | } |
| 196 | } |
| 197 | |
| 198 | static int thread_proc(void *arg) |
| 199 | { |
| 200 | pj_ioqueue_t *ioqueue = arg; |
| 201 | |
| 202 | while (!thread_quit_flag) { |
| 203 | pj_time_val timeout; |
| 204 | int count; |
| 205 | |
| 206 | timeout.sec = 0; timeout.msec = 50; |
| 207 | count = pj_ioqueue_poll( ioqueue, &timeout ); |
| 208 | if (count > 0) { |
| 209 | count = 0; |
| 210 | } |
| 211 | } |
| 212 | |
| 213 | return 0; |
| 214 | } |
| 215 | |
| 216 | static int start_echo_server( int sock_type, int port, int thread_count ) |
| 217 | { |
| 218 | pj_pool_t *pool; |
| 219 | struct server *server; |
| 220 | int i; |
| 221 | pj_status_t rc; |
| 222 | |
| 223 | |
| 224 | pool = pj_pool_create(mem, NULL, 4000, 4000, NULL); |
| 225 | if (!pool) |
| 226 | return -10; |
| 227 | |
| 228 | server = pj_pool_zalloc(pool, sizeof(struct server)); |
| 229 | |
| 230 | server->sock_type = sock_type; |
| 231 | server->thread_count = thread_count; |
| 232 | server->cb.on_read_complete = &on_read_complete; |
| 233 | server->cb.on_accept_complete = &on_accept_complete; |
| 234 | |
| 235 | /* create ioqueue */ |
| 236 | rc = pj_ioqueue_create( pool, 32, thread_count, &server->ioqueue); |
| 237 | if (rc != PJ_SUCCESS) { |
| 238 | app_perror("...error creating ioqueue", rc); |
| 239 | return -20; |
| 240 | } |
| 241 | |
| 242 | /* create and register socket to ioqueue. */ |
| 243 | rc = app_socket(PJ_AF_INET, sock_type, 0, port, &server->sock); |
| 244 | if (rc != PJ_SUCCESS) { |
| 245 | app_perror("...error initializing socket", rc); |
| 246 | return -30; |
| 247 | } |
| 248 | |
| 249 | rc = pj_ioqueue_register_sock( pool, server->ioqueue, |
| 250 | server->sock, |
| 251 | server, &server->cb, |
| 252 | &server->key); |
| 253 | if (rc != PJ_SUCCESS) { |
| 254 | app_perror("...error registering socket to ioqueue", rc); |
| 255 | return -40; |
| 256 | } |
| 257 | |
| 258 | /* create receive buffer. */ |
| 259 | server->bufsize = 4096; |
| 260 | server->buf = pj_pool_alloc(pool, server->bufsize); |
| 261 | |
| 262 | if (sock_type == PJ_SOCK_DGRAM) { |
| 263 | server->addrlen = sizeof(server->addr); |
| 264 | rc = pj_ioqueue_recvfrom( server->ioqueue, server->key, |
| 265 | server->buf, server->bufsize, |
| 266 | 0, |
| 267 | &server->addr, &server->addrlen); |
| 268 | if (rc != PJ_SUCCESS && rc != PJ_EPENDING) { |
| 269 | app_perror("...read error", rc); |
| 270 | return -50; |
| 271 | } |
| 272 | } else { |
| 273 | rc = pj_ioqueue_accept( server->ioqueue, server->key, |
| 274 | &server->client_sock, NULL, NULL, NULL ); |
| 275 | if (rc != PJ_SUCCESS && rc != PJ_EPENDING) { |
| 276 | app_perror("...accept() error", rc); |
| 277 | return -60; |
| 278 | } |
| 279 | } |
| 280 | |
| 281 | /* create threads. */ |
| 282 | |
| 283 | for (i=0; i<thread_count; ++i) { |
| 284 | pj_thread_t *thread; |
| 285 | rc = pj_thread_create(pool, NULL, &thread_proc, server->ioqueue, |
| 286 | PJ_THREAD_DEFAULT_STACK_SIZE, 0, &thread); |
| 287 | if (rc != PJ_SUCCESS) { |
| 288 | app_perror("...unable to create thread", rc); |
| 289 | return -70; |
| 290 | } |
| 291 | } |
| 292 | |
| 293 | /* Done. */ |
| 294 | return PJ_SUCCESS; |
| 295 | } |
| 296 | |
| 297 | int echo_server(void) |
| 298 | { |
| 299 | enum { MAX_THREADS = 4 }; |
| 300 | int sock_types[2]; |
| 301 | int i, j, rc; |
| 302 | |
| 303 | sock_types[0] = PJ_SOCK_DGRAM; |
| 304 | sock_types[1] = PJ_SOCK_STREAM; |
| 305 | |
| 306 | for (i=0; i<2; ++i) { |
| 307 | for (j=0; j<MAX_THREADS; ++j) { |
| 308 | rc = start_echo_server(sock_types[i], ECHO_SERVER_START_PORT+j, j+1); |
| 309 | if (rc != 0) |
| 310 | return rc; |
| 311 | } |
| 312 | } |
| 313 | |
| 314 | pj_thread_sleep(100); |
| 315 | PJ_LOG(3,("", "Echo server started in port %d - %d", |
| 316 | ECHO_SERVER_START_PORT, ECHO_SERVER_START_PORT + MAX_THREADS)); |
| 317 | |
| 318 | PJ_LOG(3,("", "Press Ctrl-C to quit")); |
| 319 | |
| 320 | for (;!thread_quit_flag;) { |
| 321 | pj_thread_sleep(1000); |
| 322 | } |
| 323 | |
| 324 | return 0; |
| 325 | } |
| 326 | |
| 327 | |
| 328 | #else |
| 329 | int dummy_echo_server; |
| 330 | #endif /* INCLUDE_ECHO_SERVER */ |
| 331 | |