1 /* 2 * 3 * BlueZ - Bluetooth protocol stack for Linux 4 * 5 * Copyright (C) 2002-2003 Maxim Krasnyansky <maxk (at) qualcomm.com> 6 * Copyright (C) 2002-2010 Marcel Holtmann <marcel (at) holtmann.org> 7 * 8 * 9 * This program is free software; you can redistribute it and/or modify 10 * it under the terms of the GNU General Public License as published by 11 * the Free Software Foundation; either version 2 of the License, or 12 * (at your option) any later version. 13 * 14 * This program is distributed in the hope that it will be useful, 15 * but WITHOUT ANY WARRANTY; without even the implied warranty of 16 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the 17 * GNU General Public License for more details. 18 * 19 * You should have received a copy of the GNU General Public License 20 * along with this program; if not, write to the Free Software 21 * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA 22 * 23 */ 24 25 #ifdef HAVE_CONFIG_H 26 #include <config.h> 27 #endif 28 29 #include <stdio.h> 30 #include <errno.h> 31 #include <ctype.h> 32 #include <unistd.h> 33 #include <stdlib.h> 34 #include <getopt.h> 35 #include <syslog.h> 36 #include <signal.h> 37 #include <sys/time.h> 38 #include <sys/socket.h> 39 40 #include <bluetooth/bluetooth.h> 41 #include <bluetooth/sco.h> 42 43 /* Test modes */ 44 enum { 45 SEND, 46 RECV, 47 RECONNECT, 48 MULTY, 49 DUMP, 50 CONNECT 51 }; 52 53 static unsigned char *buf; 54 55 /* Default data size */ 56 static long data_size = 672; 57 58 /* Default packet type */ 59 static uint16_t pkt_type = 0; 60 61 static bdaddr_t bdaddr; 62 63 static float tv2fl(struct timeval tv) 64 { 65 return (float)tv.tv_sec + (float)(tv.tv_usec/1000000.0); 66 } 67 68 static int do_connect(char *svr) 69 { 70 struct sockaddr_sco addr; 71 struct sco_conninfo conn; 72 socklen_t optlen; 73 int sk; 74 75 /* Create socket */ 76 sk = socket(PF_BLUETOOTH, SOCK_SEQPACKET, BTPROTO_SCO); 77 if (sk < 0) { 78 syslog(LOG_ERR, "Can't create socket: %s (%d)", 79 strerror(errno), errno); 80 return -1; 81 } 82 83 /* Bind to local address */ 84 memset(&addr, 0, sizeof(addr)); 85 addr.sco_family = AF_BLUETOOTH; 86 bacpy(&addr.sco_bdaddr, &bdaddr); 87 88 if (bind(sk, (struct sockaddr *) &addr, sizeof(addr)) < 0) { 89 syslog(LOG_ERR, "Can't bind socket: %s (%d)", 90 strerror(errno), errno); 91 goto error; 92 } 93 94 /* Connect to remote device */ 95 memset(&addr, 0, sizeof(addr)); 96 addr.sco_family = AF_BLUETOOTH; 97 addr.sco_pkt_type = pkt_type; 98 str2ba(svr, &addr.sco_bdaddr); 99 100 if (connect(sk, (struct sockaddr *) &addr, sizeof(addr)) < 0) { 101 syslog(LOG_ERR, "Can't connect: %s (%d)", 102 strerror(errno), errno); 103 goto error; 104 } 105 106 /* Get connection information */ 107 memset(&conn, 0, sizeof(conn)); 108 optlen = sizeof(conn); 109 110 if (getsockopt(sk, SOL_SCO, SCO_CONNINFO, &conn, &optlen) < 0) { 111 syslog(LOG_ERR, "Can't get SCO connection information: %s (%d)", 112 strerror(errno), errno); 113 goto error; 114 } 115 116 syslog(LOG_INFO, "Connected [handle %d, class 0x%02x%02x%02x]", 117 conn.hci_handle, 118 conn.dev_class[2], conn.dev_class[1], conn.dev_class[0]); 119 120 return sk; 121 122 error: 123 close(sk); 124 return -1; 125 } 126 127 static void do_listen(void (*handler)(int sk)) 128 { 129 struct sockaddr_sco addr; 130 struct sco_conninfo conn; 131 socklen_t optlen; 132 int sk, nsk; 133 char ba[18]; 134 135 /* Create socket */ 136 sk = socket(PF_BLUETOOTH, SOCK_SEQPACKET, BTPROTO_SCO); 137 if (sk < 0) { 138 syslog(LOG_ERR, "Can't create socket: %s (%d)", 139 strerror(errno), errno); 140 exit(1); 141 } 142 143 /* Bind to local address */ 144 memset(&addr, 0, sizeof(addr)); 145 addr.sco_family = AF_BLUETOOTH; 146 addr.sco_pkt_type = pkt_type; 147 bacpy(&addr.sco_bdaddr, &bdaddr); 148 149 if (bind(sk, (struct sockaddr *) &addr, sizeof(addr)) < 0) { 150 syslog(LOG_ERR, "Can't bind socket: %s (%d)", 151 strerror(errno), errno); 152 goto error; 153 } 154 155 /* Listen for connections */ 156 if (listen(sk, 10)) { 157 syslog(LOG_ERR,"Can not listen on the socket: %s (%d)", 158 strerror(errno), errno); 159 goto error; 160 } 161 162 syslog(LOG_INFO,"Waiting for connection ..."); 163 164 while (1) { 165 memset(&addr, 0, sizeof(addr)); 166 optlen = sizeof(addr); 167 168 nsk = accept(sk, (struct sockaddr *) &addr, &optlen); 169 if (nsk < 0) { 170 syslog(LOG_ERR,"Accept failed: %s (%d)", 171 strerror(errno), errno); 172 goto error; 173 } 174 if (fork()) { 175 /* Parent */ 176 close(nsk); 177 continue; 178 } 179 /* Child */ 180 close(sk); 181 182 /* Get connection information */ 183 memset(&conn, 0, sizeof(conn)); 184 optlen = sizeof(conn); 185 186 if (getsockopt(nsk, SOL_SCO, SCO_CONNINFO, &conn, &optlen) < 0) { 187 syslog(LOG_ERR, "Can't get SCO connection information: %s (%d)", 188 strerror(errno), errno); 189 close(nsk); 190 goto error; 191 } 192 193 ba2str(&addr.sco_bdaddr, ba); 194 syslog(LOG_INFO, "Connect from %s [handle %d, class 0x%02x%02x%02x]", 195 ba, conn.hci_handle, 196 conn.dev_class[2], conn.dev_class[1], conn.dev_class[0]); 197 198 handler(nsk); 199 200 syslog(LOG_INFO, "Disconnect"); 201 exit(0); 202 } 203 204 return; 205 206 error: 207 close(sk); 208 exit(1); 209 } 210 211 static void dump_mode(int sk) 212 { 213 int len; 214 215 syslog(LOG_INFO,"Receiving ..."); 216 while ((len = read(sk, buf, data_size)) > 0) 217 syslog(LOG_INFO, "Recevied %d bytes", len); 218 } 219 220 static void recv_mode(int sk) 221 { 222 struct timeval tv_beg,tv_end,tv_diff; 223 long total; 224 225 syslog(LOG_INFO, "Receiving ..."); 226 227 while (1) { 228 gettimeofday(&tv_beg, NULL); 229 total = 0; 230 while (total < data_size) { 231 int r; 232 if ((r = recv(sk, buf, data_size, 0)) <= 0) { 233 if (r < 0) 234 syslog(LOG_ERR, "Read failed: %s (%d)", 235 strerror(errno), errno); 236 return; 237 } 238 total += r; 239 } 240 gettimeofday(&tv_end, NULL); 241 242 timersub(&tv_end, &tv_beg, &tv_diff); 243 244 syslog(LOG_INFO,"%ld bytes in %.2fm speed %.2f kb", total, 245 tv2fl(tv_diff) / 60.0, 246 (float)( total / tv2fl(tv_diff) ) / 1024.0 ); 247 } 248 } 249 250 static void send_mode(char *svr) 251 { 252 struct sco_options so; 253 socklen_t len; 254 uint32_t seq; 255 int i, sk; 256 257 if ((sk = do_connect(svr)) < 0) { 258 syslog(LOG_ERR, "Can't connect to the server: %s (%d)", 259 strerror(errno), errno); 260 exit(1); 261 } 262 263 len = sizeof(so); 264 if (getsockopt(sk, SOL_SCO, SCO_OPTIONS, &so, &len) < 0) { 265 syslog(LOG_ERR, "Can't get SCO options: %s (%d)", 266 strerror(errno), errno); 267 exit(1); 268 } 269 270 syslog(LOG_INFO,"Sending ..."); 271 272 for (i = 6; i < so.mtu; i++) 273 buf[i] = 0x7f; 274 275 seq = 0; 276 while (1) { 277 *(uint32_t *) buf = htobl(seq); 278 *(uint16_t *) (buf + 4) = htobs(data_size); 279 seq++; 280 281 if (send(sk, buf, so.mtu, 0) <= 0) { 282 syslog(LOG_ERR, "Send failed: %s (%d)", 283 strerror(errno), errno); 284 exit(1); 285 } 286 287 usleep(1); 288 } 289 } 290 291 static void reconnect_mode(char *svr) 292 { 293 while (1) { 294 int sk; 295 296 if ((sk = do_connect(svr)) < 0) { 297 syslog(LOG_ERR, "Can't connect to the server: %s (%d)", 298 strerror(errno), errno); 299 exit(1); 300 } 301 302 close(sk); 303 304 sleep(5); 305 } 306 } 307 308 static void multy_connect_mode(char *svr) 309 { 310 while (1) { 311 int i, sk; 312 313 for (i = 0; i < 10; i++){ 314 if (fork()) 315 continue; 316 317 /* Child */ 318 sk = do_connect(svr); 319 if (sk < 0) { 320 syslog(LOG_ERR, "Can't connect to the server: %s (%d)", 321 strerror(errno), errno); 322 } 323 close(sk); 324 exit(0); 325 } 326 327 sleep(19); 328 } 329 } 330 331 static void usage(void) 332 { 333 printf("scotest - SCO testing\n" 334 "Usage:\n"); 335 printf("\tscotest <mode> [-b bytes] [-p pkt_type] [bd_addr]\n"); 336 printf("Modes:\n" 337 "\t-d dump (server)\n" 338 "\t-c reconnect (client)\n" 339 "\t-m multiple connects (client)\n" 340 "\t-r receive (server)\n" 341 "\t-s connect and send (client)\n" 342 "\t-n connect and be silent (client)\n"); 343 } 344 345 int main(int argc ,char *argv[]) 346 { 347 struct sigaction sa; 348 int opt, sk, mode = RECV; 349 350 while ((opt=getopt(argc,argv,"rdscmnb:p:")) != EOF) { 351 switch(opt) { 352 case 'r': 353 mode = RECV; 354 break; 355 356 case 's': 357 mode = SEND; 358 break; 359 360 case 'd': 361 mode = DUMP; 362 break; 363 364 case 'c': 365 mode = RECONNECT; 366 break; 367 368 case 'm': 369 mode = MULTY; 370 break; 371 372 case 'n': 373 mode = CONNECT; 374 break; 375 376 case 'b': 377 data_size = atoi(optarg); 378 break; 379 380 case 'p': 381 if (sscanf(optarg, "0x%4hx", &pkt_type) != 1) { 382 usage(); 383 exit(1); 384 } 385 break; 386 387 default: 388 usage(); 389 exit(1); 390 } 391 } 392 393 if (!(argc - optind) && (mode != RECV && mode != DUMP)) { 394 usage(); 395 exit(1); 396 } 397 398 if (!(buf = malloc(data_size))) { 399 perror("Can't allocate data buffer"); 400 exit(1); 401 } 402 403 memset(&sa, 0, sizeof(sa)); 404 sa.sa_handler = SIG_IGN; 405 sa.sa_flags = SA_NOCLDSTOP; 406 sigaction(SIGCHLD, &sa, NULL); 407 408 openlog("scotest", LOG_PERROR | LOG_PID, LOG_LOCAL0); 409 410 switch( mode ){ 411 case RECV: 412 do_listen(recv_mode); 413 break; 414 415 case DUMP: 416 do_listen(dump_mode); 417 break; 418 419 case SEND: 420 send_mode(argv[optind]); 421 break; 422 423 case RECONNECT: 424 reconnect_mode(argv[optind]); 425 break; 426 427 case MULTY: 428 multy_connect_mode(argv[optind]); 429 break; 430 431 case CONNECT: 432 sk = do_connect(argv[optind]); 433 if (sk < 0) 434 exit(1); 435 dump_mode(sk); 436 break; 437 } 438 439 syslog(LOG_INFO, "Exit"); 440 441 closelog(); 442 443 return 0; 444 } 445
