Hi Alexandre, it took quite a lot of searching, but now it's done. It was a general RTPProxy/PThread issue. The problem seems to be, that the PThread is created before the fork of the main process. Then the Thread waits forever...
Attached an changed main.c + rtpp_defines.h which modifies this behaviour and starts the Thread after the fork. I will create an according patch and send it to the RTPProxy-Dev-Mailinglist as well. Have fun, Carsten -- Carsten Bock http://www.ng-voice.com mailto:cars...@ng-voice.com
/* * Copyright (c) 2004-2006 Maxim Sobolev <sobo...@freebsd.org> * Copyright (c) 2006-2007 Sippy Software, Inc., http://www.sippysoft.com * 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. * * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND * ANY EXPRESS 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 AUTHOR OR 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. * */ #include <sys/types.h> #include <sys/time.h> #include <sys/socket.h> #include <netinet/in.h> #include <arpa/inet.h> #include <sys/resource.h> #include <sys/un.h> #include <sys/uio.h> #include <ctype.h> #include <sys/select.h> #include <sys/stat.h> #include <assert.h> #include <errno.h> #include <fcntl.h> #include <grp.h> #include <limits.h> #include <netdb.h> #include <poll.h> #include <pthread.h> #include <pwd.h> #include <sched.h> #include <stdio.h> #include <stdlib.h> #include <signal.h> #include <string.h> #include <strings.h> #include <unistd.h> #include "rtp.h" #include "rtp_resizer.h" #include "rtp_server.h" #include "rtpp_defines.h" #include "rtpp_command.h" #include "rtpp_command_async.h" #include "rtpp_log.h" #include "rtpp_record.h" #include "rtpp_session.h" #include "rtpp_network.h" #include "rtpp_notify.h" #include "rtpp_util.h" static const char *cmd_sock = CMD_SOCK; static const char *pid_file = PID_FILE; static rtpp_log_t glog; static void usage(void); static void send_packet(struct cfg *, struct rtpp_session *, int, struct rtp_packet *); static void usage(void) { fprintf(stderr, "usage: rtpproxy [-2fvFiPa] [-l addr1[/addr2]] " "[-6 addr1[/addr2]] [-s path]\n\t[-t tos] [-r rdir [-S sdir]] [-T ttl] " "[-L nfiles] [-m port_min]\n\t[-M port_max] [-u uname[:gname]] " "[-n timeout_socket] [-d log_level[:log_facility]]\n"); exit(1); } static void fatsignal(int sig) { rtpp_log_write(RTPP_LOG_INFO, glog, "got signal %d", sig); exit(0); } static void ehandler(void) { unlink(cmd_sock); unlink(pid_file); rtpp_log_write(RTPP_LOG_INFO, glog, "rtpproxy ended"); rtpp_log_close(glog); } static void init_config(struct cfg *cf, int argc, char **argv) { int ch, i; char *bh[2], *bh6[2], *cp; const char *errmsg; struct passwd *pp; struct group *gp; bh[0] = bh[1] = bh6[0] = bh6[1] = NULL; cf->stable.port_min = PORT_MIN; cf->stable.port_max = PORT_MAX; cf->stable.max_ttl = SESSION_TIMEOUT; cf->stable.tos = TOS; cf->stable.rrtcp = 1; cf->stable.ttl_mode = TTL_UNIFIED; cf->stable.log_level = -1; cf->stable.log_facility = -1; cf->stable.timeout_socket = NULL; pthread_mutex_init(&cf->glock, NULL); if (getrlimit(RLIMIT_NOFILE, &(cf->stable.nofile_limit)) != 0) err(1, "getrlimit"); while ((ch = getopt(argc, argv, "vf2Rl:6:s:S:t:r:p:T:L:m:M:u:Fin:Pad:")) != -1) switch (ch) { case 'f': cf->stable.nodaemon = 1; break; case 'l': bh[0] = optarg; bh[1] = strchr(bh[0], '/'); if (bh[1] != NULL) { *bh[1] = '\0'; bh[1]++; cf->stable.bmode = 1; } break; case '6': bh6[0] = optarg; bh6[1] = strchr(bh6[0], '/'); if (bh6[1] != NULL) { *bh6[1] = '\0'; bh6[1]++; cf->stable.bmode = 1; } break; case 's': if (strncmp("udp:", optarg, 4) == 0) { cf->stable.umode = 1; optarg += 4; } else if (strncmp("udp6:", optarg, 5) == 0) { cf->stable.umode = 6; optarg += 5; } else if (strncmp("unix:", optarg, 5) == 0) { cf->stable.umode = 0; optarg += 5; } cmd_sock = optarg; break; case 't': cf->stable.tos = atoi(optarg); if (cf->stable.tos > 255) errx(1, "%d: TOS is too large", cf->stable.tos); break; case '2': cf->stable.dmode = 1; break; case 'v': printf("Basic version: %d\n", CPROTOVER); for (i = 1; proto_caps[i].pc_id != NULL; ++i) { printf("Extension %s: %s\n", proto_caps[i].pc_id, proto_caps[i].pc_description); } exit(0); break; case 'r': cf->stable.rdir = optarg; break; case 'S': cf->stable.sdir = optarg; break; case 'R': cf->stable.rrtcp = 0; break; case 'p': pid_file = optarg; break; case 'T': cf->stable.max_ttl = atoi(optarg); break; case 'L': cf->stable.nofile_limit.rlim_cur = cf->stable.nofile_limit.rlim_max = atoi(optarg); if (setrlimit(RLIMIT_NOFILE, &(cf->stable.nofile_limit)) != 0) err(1, "setrlimit"); if (getrlimit(RLIMIT_NOFILE, &(cf->stable.nofile_limit)) != 0) err(1, "getrlimit"); if (cf->stable.nofile_limit.rlim_max < atoi(optarg)) warnx("limit allocated by setrlimit (%d) is less than " "requested (%d)", (int) cf->stable.nofile_limit.rlim_max, atoi(optarg)); break; case 'm': cf->stable.port_min = atoi(optarg); break; case 'M': cf->stable.port_max = atoi(optarg); break; case 'u': cf->stable.run_uname = optarg; cp = strchr(optarg, ':'); if (cp != NULL) { if (cp == optarg) cf->stable.run_uname = NULL; cp[0] = '\0'; cp++; } cf->stable.run_gname = cp; cf->stable.run_uid = -1; cf->stable.run_gid = -1; if (cf->stable.run_uname != NULL) { pp = getpwnam(cf->stable.run_uname); if (pp == NULL) err(1, "can't find ID for the user: %s", cf->stable.run_uname); cf->stable.run_uid = pp->pw_uid; if (cf->stable.run_gname == NULL) cf->stable.run_gid = pp->pw_gid; } if (cf->stable.run_gname != NULL) { gp = getgrnam(cf->stable.run_gname); if (gp == NULL) err(1, "can't find ID for the group: %s", cf->stable.run_gname); cf->stable.run_gid = gp->gr_gid; } break; case 'F': cf->stable.no_check = 1; break; case 'i': cf->stable.ttl_mode = TTL_INDEPENDENT; break; case 'n': if(strncmp("unix:", optarg, 5) == 0) optarg += 5; if(strlen(optarg) == 0) errx(1, "timeout notification socket name too short"); cf->stable.timeout_socket = optarg; break; case 'P': cf->stable.record_pcap = 1; break; case 'a': cf->stable.record_all = 1; break; case 'd': cp = strchr(optarg, ':'); if (cp != NULL) { cf->stable.log_facility = rtpp_log_str2fac(cp + 1); if (cf->stable.log_facility == -1) errx(1, "%s: invalid log facility", cp + 1); *cp = '\0'; } cf->stable.log_level = rtpp_log_str2lvl(optarg); if (cf->stable.log_level == -1) errx(1, "%s: invalid log level", optarg); break; case '?': default: usage(); } if (cf->stable.rdir == NULL && cf->stable.sdir != NULL) errx(1, "-S switch requires -r switch"); if (cf->stable.no_check == 0 && getuid() == 0 && cf->stable.run_uname == NULL) { if (cf->stable.umode != 0) { errx(1, "running this program as superuser in a remote control " "mode is strongly not recommended, as it poses serious security " "threat to your system. Use -u option to run as an unprivileged " "user or -F is you want to run as a superuser anyway."); } else { warnx("WARNING!!! Running this program as superuser is strongly " "not recommended, as it may pose serious security threat to " "your system. Use -u option to run as an unprivileged user " "or -F to surpress this warning."); } } /* make sure that port_min and port_max are even */ if ((cf->stable.port_min % 2) != 0) cf->stable.port_min++; if ((cf->stable.port_max % 2) != 0) { cf->stable.port_max--; } else { /* * If port_max is already even then there is no * "room" for the RTCP port, go back by two ports. */ cf->stable.port_max -= 2; } if (!IS_VALID_PORT(cf->stable.port_min)) errx(1, "invalid value of the port_min argument, " "not in the range 1-65535"); if (!IS_VALID_PORT(cf->stable.port_max)) errx(1, "invalid value of the port_max argument, " "not in the range 1-65535"); if (cf->stable.port_min > cf->stable.port_max) errx(1, "port_min should be less than port_max"); cf->sessions = malloc((sizeof cf->sessions[0]) * (((cf->stable.port_max - cf->stable.port_min + 1) * 2) + 1)); cf->rtp_servers = malloc((sizeof cf->rtp_servers[0]) * (((cf->stable.port_max - cf->stable.port_min + 1) * 2) + 1)); cf->pfds = malloc((sizeof cf->pfds[0]) * (((cf->stable.port_max - cf->stable.port_min + 1) * 2) + 1)); if (bh[0] == NULL && bh[1] == NULL && bh6[0] == NULL && bh6[1] == NULL) { bh[0] = "*"; } for (i = 0; i < 2; i++) { if (bh[i] != NULL && *bh[i] == '\0') bh[i] = NULL; if (bh6[i] != NULL && *bh6[i] == '\0') bh6[i] = NULL; } i = ((bh[0] == NULL) ? 0 : 1) + ((bh[1] == NULL) ? 0 : 1) + ((bh6[0] == NULL) ? 0 : 1) + ((bh6[1] == NULL) ? 0 : 1); if (cf->stable.bmode != 0) { if (bh[0] != NULL && bh6[0] != NULL) errx(1, "either IPv4 or IPv6 should be configured for external " "interface in bridging mode, not both"); if (bh[1] != NULL && bh6[1] != NULL) errx(1, "either IPv4 or IPv6 should be configured for internal " "interface in bridging mode, not both"); if (i != 2) errx(1, "incomplete configuration of the bridging mode - exactly " "2 listen addresses required, %d provided", i); } else if (i != 1) { errx(1, "exactly 1 listen addresses required, %d provided", i); } for (i = 0; i < 2; i++) { cf->stable.bindaddr[i] = NULL; if (bh[i] != NULL) { cf->stable.bindaddr[i] = host2bindaddr(cf, bh[i], AF_INET, &errmsg); if (cf->stable.bindaddr[i] == NULL) errx(1, "host2bindaddr: %s", errmsg); continue; } if (bh6[i] != NULL) { cf->stable.bindaddr[i] = host2bindaddr(cf, bh6[i], AF_INET6, &errmsg); if (cf->stable.bindaddr[i] == NULL) errx(1, "host2bindaddr: %s", errmsg); continue; } } if (cf->stable.bindaddr[0] == NULL) { cf->stable.bindaddr[0] = cf->stable.bindaddr[1]; cf->stable.bindaddr[1] = NULL; } } static int init_controlfd(struct cfg *cf) { struct sockaddr_un ifsun; struct sockaddr_storage ifsin; char *cp; int i, controlfd, flags; if (cf->stable.umode == 0) { unlink(cmd_sock); memset(&ifsun, '\0', sizeof ifsun); #if defined(HAVE_SOCKADDR_SUN_LEN) ifsun.sun_len = strlen(cmd_sock); #endif ifsun.sun_family = AF_LOCAL; strcpy(ifsun.sun_path, cmd_sock); controlfd = socket(PF_LOCAL, SOCK_STREAM, 0); if (controlfd == -1) err(1, "can't create socket"); setsockopt(controlfd, SOL_SOCKET, SO_REUSEADDR, &controlfd, sizeof controlfd); if (bind(controlfd, sstosa(&ifsun), sizeof ifsun) < 0) err(1, "can't bind to a socket"); if ((cf->stable.run_uname != NULL || cf->stable.run_gname != NULL) && chown(cmd_sock, cf->stable.run_uid, cf->stable.run_gid) == -1) err(1, "can't set owner of the socket"); if (listen(controlfd, 32) != 0) err(1, "can't listen on a socket"); } else { cp = strrchr(cmd_sock, ':'); if (cp != NULL) { *cp = '\0'; cp++; } if (cp == NULL || *cp == '\0') cp = CPORT; i = (cf->stable.umode == 6) ? AF_INET6 : AF_INET; if (setbindhost(sstosa(&ifsin), i, cmd_sock, cp) != 0) exit(1); controlfd = socket(i, SOCK_DGRAM, 0); if (controlfd == -1) err(1, "can't create socket"); if (bind(controlfd, sstosa(&ifsin), SS_LEN(&ifsin)) < 0) err(1, "can't bind to a socket"); } flags = fcntl(controlfd, F_GETFL); fcntl(controlfd, F_SETFL, flags | O_NONBLOCK); return controlfd; } static void process_rtp_servers(struct cfg *cf, double dtime) { int j, k, sidx, len, skipfd; struct rtpp_session *sp; skipfd = 0; for (j = 0; j < cf->rtp_nsessions; j++) { sp = cf->rtp_servers[j]; if (sp == NULL) { skipfd++; continue; } if (skipfd > 0) { cf->rtp_servers[j - skipfd] = cf->rtp_servers[j]; sp->sridx = j - skipfd; } for (sidx = 0; sidx < 2; sidx++) { if (sp->rtps[sidx] == NULL || sp->addr[sidx] == NULL) continue; while ((len = rtp_server_get(sp->rtps[sidx], dtime)) != RTPS_LATER) { if (len == RTPS_EOF) { rtp_server_free(sp->rtps[sidx]); sp->rtps[sidx] = NULL; if (sp->rtps[0] == NULL && sp->rtps[1] == NULL) { assert(cf->rtp_servers[sp->sridx] == sp); cf->rtp_servers[sp->sridx] = NULL; sp->sridx = -1; } break; } for (k = (cf->stable.dmode && len < LBR_THRS) ? 2 : 1; k > 0; k--) { sendto(sp->fds[sidx], sp->rtps[sidx]->buf, len, 0, sp->addr[sidx], SA_LEN(sp->addr[sidx])); } } } } cf->rtp_nsessions -= skipfd; } static void rxmit_packets(struct cfg *cf, struct rtpp_session *sp, int ridx, double dtime) { int ndrain, i, port; struct rtp_packet *packet = NULL; /* Repeat since we may have several packets queued on the same socket */ for (ndrain = 0; ndrain < 5; ndrain++) { if (packet != NULL) rtp_packet_free(packet); packet = rtp_recv(sp->fds[ridx]); if (packet == NULL) break; packet->laddr = sp->laddr[ridx]; packet->rport = sp->ports[ridx]; packet->rtime = dtime; i = 0; if (sp->addr[ridx] != NULL) { /* Check that the packet is authentic, drop if it isn't */ if (sp->asymmetric[ridx] == 0) { if (memcmp(sp->addr[ridx], &packet->raddr, packet->rlen) != 0) { if (sp->canupdate[ridx] == 0) { /* * Continue, since there could be good packets in * queue. */ continue; } /* Signal that an address has to be updated */ i = 1; } else if (sp->canupdate[ridx] != 0 && sp->last_update[ridx] != 0 && dtime - sp->last_update[ridx] > UPDATE_WINDOW) { sp->canupdate[ridx] = 0; } } else { /* * For asymmetric clients don't check * source port since it may be different. */ if (!ishostseq(sp->addr[ridx], sstosa(&packet->raddr))) /* * Continue, since there could be good packets in * queue. */ continue; } sp->pcount[ridx]++; } else { sp->pcount[ridx]++; sp->addr[ridx] = malloc(packet->rlen); if (sp->addr[ridx] == NULL) { sp->pcount[3]++; rtpp_log_write(RTPP_LOG_ERR, sp->log, "can't allocate memory for remote address - " "removing session"); remove_session(cf, GET_RTP(sp)); /* Break, sp is invalid now */ break; } /* Signal that an address have to be updated. */ i = 1; } /* * Update recorded address if it's necessary. Set "untrusted address" * flag in the session state, so that possible future address updates * from that client won't get address changed immediately to some * bogus one. */ if (i != 0) { sp->untrusted_addr[ridx] = 1; memcpy(sp->addr[ridx], &packet->raddr, packet->rlen); if (sp->prev_addr[ridx] == NULL || memcmp(sp->prev_addr[ridx], &packet->raddr, packet->rlen) != 0) { sp->canupdate[ridx] = 0; } port = ntohs(satosin(&packet->raddr)->sin_port); rtpp_log_write(RTPP_LOG_INFO, sp->log, "%s's address filled in: %s:%d (%s)", (ridx == 0) ? "callee" : "caller", addr2char(sstosa(&packet->raddr)), port, (sp->rtp == NULL) ? "RTP" : "RTCP"); /* * Check if we have updated RTP while RTCP is still * empty or contains address that differs from one we * used when updating RTP. Try to guess RTCP if so, * should be handy for non-NAT'ed clients, and some * NATed as well. */ if (sp->rtcp != NULL && (sp->rtcp->addr[ridx] == NULL || !ishostseq(sp->rtcp->addr[ridx], sstosa(&packet->raddr)))) { if (sp->rtcp->addr[ridx] == NULL) { sp->rtcp->addr[ridx] = malloc(packet->rlen); if (sp->rtcp->addr[ridx] == NULL) { sp->pcount[3]++; rtpp_log_write(RTPP_LOG_ERR, sp->log, "can't allocate memory for remote address - " "removing session"); remove_session(cf, sp); /* Break, sp is invalid now */ break; } } memcpy(sp->rtcp->addr[ridx], &packet->raddr, packet->rlen); satosin(sp->rtcp->addr[ridx])->sin_port = htons(port + 1); /* Use guessed value as the only true one for asymmetric clients */ sp->rtcp->canupdate[ridx] = NOT(sp->rtcp->asymmetric[ridx]); rtpp_log_write(RTPP_LOG_INFO, sp->log, "guessing RTCP port " "for %s to be %d", (ridx == 0) ? "callee" : "caller", port + 1); } } if (sp->resizers[ridx].output_nsamples > 0) rtp_resizer_enqueue(&sp->resizers[ridx], &packet); if (packet != NULL) send_packet(cf, sp, ridx, packet); } if (packet != NULL) rtp_packet_free(packet); } static void send_packet(struct cfg *cf, struct rtpp_session *sp, int ridx, struct rtp_packet *packet) { int i, sidx; GET_RTP(sp)->ttl[ridx] = cf->stable.max_ttl; /* Select socket for sending packet out. */ sidx = (ridx == 0) ? 1 : 0; /* * Check that we have some address to which packet is to be * sent out, drop otherwise. */ if (sp->addr[sidx] == NULL || GET_RTP(sp)->rtps[sidx] != NULL) { sp->pcount[3]++; } else { sp->pcount[2]++; for (i = (cf->stable.dmode && packet->size < LBR_THRS) ? 2 : 1; i > 0; i--) { sendto(sp->fds[sidx], packet->data.buf, packet->size, 0, sp->addr[sidx], SA_LEN(sp->addr[sidx])); } } if (sp->rrcs[ridx] != NULL && GET_RTP(sp)->rtps[ridx] == NULL) rwrite(sp, sp->rrcs[ridx], packet); } static void process_rtp(struct cfg *cf, double dtime, int alarm_tick) { int readyfd, skipfd, ridx; struct rtpp_session *sp; struct rtp_packet *packet; /* Relay RTP/RTCP */ skipfd = 0; for (readyfd = 0; readyfd < cf->nsessions; readyfd++) { sp = cf->sessions[readyfd]; if (alarm_tick != 0 && sp != NULL && sp->rtcp != NULL && sp->sidx[0] == readyfd) { if (get_ttl(sp) == 0) { rtpp_log_write(RTPP_LOG_INFO, sp->log, "session timeout"); rtpp_notify_schedule(cf, sp); remove_session(cf, sp); } else { if (sp->ttl[0] != 0) sp->ttl[0]--; if (sp->ttl[1] != 0) sp->ttl[1]--; } } if (cf->pfds[readyfd].fd == -1) { /* Deleted session, count and move one */ skipfd++; continue; } /* Find index of the call leg within a session */ for (ridx = 0; ridx < 2; ridx++) if (cf->pfds[readyfd].fd == sp->fds[ridx]) break; /* * Can't happen. */ assert(ridx != 2); /* Compact pfds[] and sessions[] by eliminating removed sessions */ if (skipfd > 0) { cf->pfds[readyfd - skipfd] = cf->pfds[readyfd]; cf->sessions[readyfd - skipfd] = cf->sessions[readyfd]; sp->sidx[ridx] = readyfd - skipfd; } if (sp->complete != 0) { if ((cf->pfds[readyfd].revents & POLLIN) != 0) rxmit_packets(cf, sp, ridx, dtime); if (sp->resizers[ridx].output_nsamples > 0) { while ((packet = rtp_resizer_get(&sp->resizers[ridx], dtime)) != NULL) { send_packet(cf, sp, ridx, packet); rtp_packet_free(packet); } } } } /* Trim any deleted sessions at the end */ cf->nsessions -= skipfd; } int main(int argc, char **argv) { int i, len, timeout, controlfd, alarm_tick; double sptime, eptime, last_tick_time; unsigned long delay; struct cfg cf; char buf[256]; memset(&cf, 0, sizeof(cf)); init_config(&cf, argc, argv); seedrandom(); init_hash_table(&cf.stable); init_port_table(&cf); controlfd = init_controlfd(&cf); if (cf.stable.nodaemon == 0) { if (rtpp_daemon(0, 0) == -1) err(1, "can't switch into daemon mode"); /* NOTREACHED */ } if (cf.stable.timeout_socket != NULL) { cf.timeout_handler = rtpp_notify_init(cf.stable.timeout_socket); if (cf.timeout_handler == NULL) errx(1, "can't start notification thread"); } glog = cf.stable.glog = rtpp_log_open(&cf.stable, "rtpproxy", NULL, LF_REOPEN); atexit(ehandler); rtpp_log_write(RTPP_LOG_INFO, cf.stable.glog, "rtpproxy started, pid %d", getpid()); i = open(pid_file, O_WRONLY | O_CREAT | O_TRUNC, DEFFILEMODE); if (i >= 0) { len = sprintf(buf, "%u\n", (unsigned int)getpid()); write(i, buf, len); close(i); } else { rtpp_log_ewrite(RTPP_LOG_ERR, cf.stable.glog, "can't open pidfile for writing"); } signal(SIGHUP, fatsignal); signal(SIGINT, fatsignal); signal(SIGKILL, fatsignal); signal(SIGPIPE, SIG_IGN); signal(SIGTERM, fatsignal); signal(SIGXCPU, fatsignal); signal(SIGXFSZ, fatsignal); signal(SIGVTALRM, fatsignal); signal(SIGPROF, fatsignal); signal(SIGUSR1, fatsignal); signal(SIGUSR2, fatsignal); if (cf.stable.run_uname != NULL || cf.stable.run_gname != NULL) { if (drop_privileges(&cf) != 0) { rtpp_log_ewrite(RTPP_LOG_ERR, cf.stable.glog, "can't switch to requested user/group"); exit(1); } } cf.stable.controlfd = controlfd; cf.sessions[0] = NULL; cf.nsessions = 0; cf.rtp_nsessions = 0; rtpp_command_async_init(&cf); sptime = 0; last_tick_time = 0; for (;;) { pthread_mutex_lock(&cf.glock); if (cf.rtp_nsessions > 0 || cf.nsessions > 0) { timeout = RTPS_TICKS_MIN; } else { timeout = TIMETICK * 1000; } pthread_mutex_unlock(&cf.glock); eptime = getdtime(); delay = (eptime - sptime) * 1000000.0; if (delay < (1000000 / POLL_LIMIT)) { usleep((1000000 / POLL_LIMIT) - delay); sptime = getdtime(); } else { sptime = eptime; } pthread_mutex_lock(&cf.glock); if (cf.nsessions > 0) { i = poll(cf.pfds, cf.nsessions, timeout); pthread_mutex_unlock(&cf.glock); if (i < 0 && errno == EINTR) continue; } else { pthread_mutex_unlock(&cf.glock); usleep(timeout * 1000); } eptime = getdtime(); pthread_mutex_lock(&cf.glock); if (cf.rtp_nsessions > 0) { process_rtp_servers(&cf, eptime); } pthread_mutex_unlock(&cf.glock); if (eptime > last_tick_time + TIMETICK) { alarm_tick = 1; last_tick_time = eptime; } else { alarm_tick = 0; } pthread_mutex_lock(&cf.glock); process_rtp(&cf, eptime, alarm_tick); pthread_mutex_unlock(&cf.glock); } exit(0); }
/* * Copyright (c) 2004-2006 Maxim Sobolev <sobo...@freebsd.org> * Copyright (c) 2006-2007 Sippy Software, Inc., http://www.sippysoft.com * 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. * * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND * ANY EXPRESS 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 AUTHOR OR 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. * */ #ifndef _RTPP_DEFINES_H_ #define _RTPP_DEFINES_H_ #include "config.h" #include <sys/types.h> #include <sys/socket.h> #include <sys/time.h> #include <sys/resource.h> #include <netinet/in.h> #include <poll.h> #ifdef HAVE_STDINT_H #include <stdint.h> #endif #include "rtpp_log.h" /* * Version of the command protocol, bump only when backward-incompatible * change is introduced */ #define CPROTOVER 20040107 #define PORT_MIN 35000 #define PORT_MAX 65000 #define TIMETICK 1.0 /* in seconds */ #define SESSION_TIMEOUT 60 /* in ticks */ #define TOS 0xb8 #define LBR_THRS 128 /* low-bitrate threshold */ #define CPORT "22222" #define POLL_LIMIT 200 /* maximum number of poll(2) calls per second */ #define UPDATE_WINDOW 10.0 /* in seconds */ /* Dummy service, getaddrinfo needs it */ #define SERVICE "34999" #define CMD_SOCK "/var/run/rtpproxy.sock" #define PID_FILE "/var/run/rtpproxy.pid" /* * TTL counters are used to detect the absence of audio packets * in either direction. When the counter reaches 0, the call timeout * occurs. */ typedef enum { TTL_UNIFIED = 0, /* all TTL counters must reach 0 */ TTL_INDEPENDENT = 1 /* any TTL counter reaches 0 */ } rtpp_ttl_mode; struct bindaddr_list { struct sockaddr_storage bindaddr; struct bindaddr_list *next; }; struct cfg { struct cfg_stable { int nodaemon; char * timeout_socket; int dmode; int bmode; /* Bridge mode */ int umode; /* UDP control mode */ int port_min; /* Lowest UDP port for RTP */ int port_max; /* Highest UDP port number for RTP */ int max_ttl; /* * The first address is for external interface, the second one - for * internal one. Second can be NULL, in this case there is no bridge * mode enabled. */ struct sockaddr *bindaddr[2]; /* RTP socket(s) addresses */ int tos; const char *rdir; const char *sdir; int record_pcap; /* Record in the PCAP format? */ int record_all; /* Record everything */ int rrtcp; /* Whether or not to relay RTCP? */ rtpp_log_t glog; struct rlimit nofile_limit; char *run_uname; char *run_gname; int no_check; rtpp_ttl_mode ttl_mode; uid_t run_uid; gid_t run_gid; int log_level; int log_facility; uint16_t port_table[65536]; int port_table_len; uint8_t rand_table[256]; int controlfd; } stable; struct rtpp_session **sessions; struct rtpp_session **rtp_servers; struct pollfd *pfds; int nsessions; int rtp_nsessions; int sessions_active; unsigned long long sessions_created; int nofile_limit_warned; struct bindaddr_list *bindaddr_list; struct rtpp_session *hash_table[256]; struct rtpp_timeout_handler *timeout_handler; int port_table_idx; pthread_mutex_t glock; }; #endif
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