Exemple #1
0
int register_dcc_events(struct pollfd **pfd, int *n_fd)
{
	char *message = NULL;
	int loop = 0, redraw_rc = 0;

	for(loop=0; loop<n_dcc; loop++)
	{
		dcc_list[loop].ifd = -1;

		switch(get_dcc_state(loop)) {
			case DSTATE_TCP_CONNECT:
				if ((dcc_list[loop].fd_conn = connect_to(&dcc_list[loop].ri, &message)) == -1)
				{
					set_dcc_state(loop, DSTATE_ERROR);
					update_statusline(dcc_list[loop].server_nr, dcc_list[loop].channel_nr, "DCC: cannot connect (file %s), reason: %s (%d) / %s", dcc_list[loop].filename, strerror(errno), errno, message);
					free(message);
				}
				else
				{
					set_dcc_state(loop, DSTATE_DCC_CONNECTING);
					update_statusline(dcc_list[loop].server_nr, dcc_list[loop].channel_nr, "DCC: connecting (file %s)", dcc_list[loop].filename);
				}

				redraw_rc = 1;

				break;

			case DSTATE_DCC_CONNECTING:
				assert(dcc_list[loop].fd_conn != -1);

				if (dcc_list[loop].mode == DCC_RECEIVE_FILE)
					dcc_list[loop].ifd = add_poll(pfd, n_fd, dcc_list[loop].fd_conn, POLLOUT | POLLHUP);
				else if (dcc_list[loop].mode == DCC_SEND_FILE)
					dcc_list[loop].ifd = add_poll(pfd, n_fd, dcc_list[loop].fd_conn, POLLIN | POLLHUP);
				else
					LOG("state_connecting: invalid internal DCC mode: %d\n", dcc_list[loop].mode);
				break;

			case DSTATE_CONNECTED1:
				assert(dcc_list[loop].fd_conn != -1);

				if (dcc_list[loop].mode == DCC_RECEIVE_FILE)
					dcc_list[loop].ifd = add_poll(pfd, n_fd, dcc_list[loop].fd_conn, POLLIN | POLLHUP);
				else if (dcc_list[loop].mode == DCC_SEND_FILE)
					dcc_list[loop].ifd = add_poll(pfd, n_fd, dcc_list[loop].fd_conn, POLLOUT | POLLHUP);
				else
					LOG("state_connected: invalid internal DCC mode: %d\n", dcc_list[loop].mode);
				break;

			case DSTATE_NO_CONNECTION:
			case DSTATE_ERROR:
			case DSTATE_RUNNING:
			case DSTATE_DISCONNECTED:
				break;
		}
	}

	return redraw_rc;
}
static int process_cmd_sock(int h)
{
    sock_cmd_t cmd = {-1, 0, 0, 0, 0};
    int fd = ts[h].cmd_fdr;
    if(recv(fd, &cmd, sizeof(cmd), MSG_WAITALL) != sizeof(cmd))
    {
        APPL_TRACE_ERROR1("recv cmd errno:%d", errno);
        return FALSE;
    }
    APPL_TRACE_DEBUG1("cmd.id:%d", cmd.id);
    switch(cmd.id)
    {
        case CMD_ADD_FD:
            add_poll(h, cmd.fd, cmd.type, cmd.flags, cmd.user_id);
            break;
        case CMD_WAKEUP:
            break;
        case CMD_USER_PRIVATE:
            asrt(ts[h].cmd_callback);
            if(ts[h].cmd_callback)
                ts[h].cmd_callback(fd, cmd.type, cmd.flags, cmd.user_id);
            break;
        case CMD_EXIT:
            return FALSE;
        default:
            APPL_TRACE_DEBUG1("unknown cmd: %d", cmd.id);
             break;
    }
    return TRUE;
}
int btsock_thread_add_fd(int h, int fd, int type, int flags, uint32_t user_id)
{
    if(h < 0 || h >= MAX_THREAD)
    {
        APPL_TRACE_ERROR1("invalid bt thread handle:%d", h);
        return FALSE;
    }
    if(ts[h].cmd_fdw == -1)
    {
        APPL_TRACE_ERROR0("cmd socket is not created. socket thread may not initialized");
        return FALSE;
    }
    if(flags & SOCK_THREAD_ADD_FD_SYNC)
    {
        //must executed in socket poll thread
        if(ts[h].thread_id == pthread_self())
        {
            //cleanup one-time flags
            flags &= ~SOCK_THREAD_ADD_FD_SYNC;
            add_poll(h, fd, type, flags, user_id);
            return TRUE;
        }
        APPL_TRACE_DEBUG0("THREAD_ADD_FD_SYNC is not called in poll thread, fallback to async");
    }
    sock_cmd_t cmd = {CMD_ADD_FD, fd, type, flags, user_id};
    APPL_TRACE_DEBUG2("adding fd:%d, flags:0x%x", fd, flags);
    return send(ts[h].cmd_fdw, &cmd, sizeof(cmd), 0) == sizeof(cmd);
}
Exemple #4
0
int zebra_process_one (zebra_processor_t *proc,
                       int timeout)
{
    if(proc_lock(proc) < 0)
        return(-1);
    int rc = 0;
    if(proc->video) {
        zebra_image_scanner_enable_cache(proc->scanner, 1);
        rc = zebra_video_enable(proc->video, 1);
        /* FIXME failure recovery? */
        int vid_fd = zebra_video_get_fd(proc->video);
        if(vid_fd >= 0)
            add_poll(proc, vid_fd, proc_video_handler);
        proc->active = 1;
#ifdef HAVE_LIBPTHREAD
        pthread_cond_broadcast(&proc->event);
#endif
        proc_event_wait(proc, EVENT_OUTPUT, timeout);
        rc = zebra_video_enable(proc->video, 0);
        if(vid_fd >= 0)
            remove_poll(proc, vid_fd);
        proc->active = 0;
        proc->events &= ~EVENT_INPUT;
        zebra_image_scanner_enable_cache(proc->scanner, 0);
    }
    else
        rc = -1;
    proc_unlock(proc);
    return(rc);
}
Exemple #5
0
int zebra_processor_set_active (zebra_processor_t *proc,
                                int active)
{
    if(proc_lock(proc) < 0)
        return(-1);
    if(!proc->video) {
        proc_unlock(proc);
        return(-1);
    }
    zebra_image_scanner_enable_cache(proc->scanner, active);
    int rc = zebra_video_enable(proc->video, active);
    int vid_fd = zebra_video_get_fd(proc->video);
    if(vid_fd >= 0) {
        if(active)
            add_poll(proc, vid_fd, proc_video_handler);
        else
            remove_poll(proc, vid_fd);
    }
    /* FIXME failure recovery? */
    proc->active = active;
    proc->events &= ~EVENT_INPUT;
#ifdef HAVE_LIBPTHREAD
    if(proc->threaded) {
        assert(!proc->sem);
        assert(pthread_equal(proc->sem_owner, pthread_self()));
        pthread_mutex_lock(&proc->mutex);
        proc->sem++;
        pthread_cond_broadcast(&proc->event);
        pthread_cond_signal(&proc->cond);
        pthread_mutex_unlock(&proc->mutex);
    }
#endif
    return(rc);
}
Exemple #6
0
zebra_processor_t *zebra_processor_create (int threaded)
{
    zebra_processor_t *proc = calloc(1, sizeof(zebra_processor_t));
    if(!proc)
        return(NULL);
    err_init(&proc->err, ZEBRA_MOD_PROCESSOR);
    proc->kick_fds[0] = proc->kick_fds[1] = -1;

    proc->scanner = zebra_image_scanner_create();
    if(!proc->scanner) {
        free(proc);
        return(NULL);
    }

    if(threaded) {
#ifdef HAVE_LIBPTHREAD
        proc->threaded = 1;
        proc->sem = 1;
        /* FIXME check errors */
        pthread_mutex_init(&proc->mutex, NULL);
        pthread_cond_init(&proc->cond, NULL);
        pthread_cond_init(&proc->event, NULL);
        pipe(proc->kick_fds);
        add_poll(proc, proc->kick_fds[0], NULL);
#else
    /* FIXME record warning */
#endif
    }

    return(proc);
}
/* create dummy socket pair used to wake up select loop */
static inline void init_cmd_fd(int h)
{
    asrt(ts[h].cmd_fdr == -1 && ts[h].cmd_fdw == -1);
    if(socketpair(AF_UNIX, SOCK_STREAM, 0, &ts[h].cmd_fdr) < 0)
    {
        APPL_TRACE_ERROR1("socketpair failed: %s", strerror(errno));
        return;
    }
    APPL_TRACE_DEBUG3("h:%d, cmd_fdr:%d, cmd_fdw:%d", h, ts[h].cmd_fdr, ts[h].cmd_fdw);
    //add the cmd fd for read & write
    add_poll(h, ts[h].cmd_fdr, 0, SOCK_THREAD_FD_RD, 0);
}
CompEventSource::CompEventSource (Display *dpy, int fd) :
    Glib::Source (),
    mDpy (dpy),
    mConnectionFD (fd)
{
    mPollFD.set_fd (mConnectionFD);
    mPollFD.set_events (Glib::IO_IN);

    set_priority (G_PRIORITY_DEFAULT);
    add_poll (mPollFD);
    set_can_recurse (true);

    connect (sigc::mem_fun <bool, CompEventSource> (this, &CompEventSource::callback));
}
Exemple #9
0
static gboolean
gsk_packet_queue_fd_open (GskIO     *io,
		          GError   **error)
{
  GskPacketQueue *queue = GSK_PACKET_QUEUE (io);
  GskPacketQueueFd *packet_queue_fd = GSK_PACKET_QUEUE_FD (io);
  if (packet_queue_fd->fd < 0)
    {
      g_set_error (error, GSK_G_ERROR_DOMAIN, GSK_ERROR_OPEN_FAILED,
		   _("must specify valid file-descriptor"));
      return FALSE;
    }

  g_return_val_if_fail (packet_queue_fd->source == NULL, FALSE);
  add_poll (packet_queue_fd);
  GSK_HOOK_SET_FLAG (GSK_IO_WRITE_HOOK (queue), IS_AVAILABLE);
  GSK_HOOK_SET_FLAG (GSK_IO_READ_HOOK (queue), IS_AVAILABLE);
  return TRUE;
}
Exemple #10
0
int main(int argc, char **argv)
{
	int			ret = EX_OK;
	int			i;
	struct group		*grgid;
	struct passwd		*pwuid;
	timer_t			timerid_mld, timerid_pim;
	struct pollfd		fds[4];
	nfds_t			nfds = 0;
	struct sockaddr_storage	from, to;
	socklen_t		addrlen = sizeof(struct sockaddr_storage);
	unsigned int		from_ifindex;
	char			*buf;

	ret = parse_args(argc, argv);
	if (ret)
		return -ret;

	if (getuid()) {
		fprintf(stderr, "need to run as root\n");
		return EX_NOPERM;
	}

	if (!nofork) {
		pid_t pid = fork();

		if (pid < 0) {
			perror("fork()");
			return EX_OSERR;
		} else if (pid > 0)
			return EX_OK;

		if (setsid() < 0) {
			perror("setsid()");
			return EX_OSERR;
		}

		if (chdir("/") < 0) {
			perror("chdir(\"/\")");
			return EX_OSERR;
		}

		openlog(basename(argv[0]), LOG_PID, LOG_DAEMON);
	} else
		openlog(basename(argv[0]), LOG_PID | LOG_PERROR, LOG_DAEMON);
	setlogmask(LOG_UPTO(debug));

	logger(LOG_NOTICE, 0, "started");

	errno = 0;
	mroute4 = socket(AF_INET, SOCK_RAW, IPPROTO_IGMP);
	if (mroute4 >= 0) {
		if (pktinfo(mroute4) < 0) {
			close(mroute4);
			mroute4 = -1;
		} else {
			pim4 = pim_init(mroute4);
			if (pim4 < 0) {
				close(mroute4);
				mroute4 = -1;
			} else {
				add_poll(fds, &nfds, mroute4);
				add_poll(fds, &nfds, pim4);
			}
		}
	}
	if (mroute4 < 0)
		logger(LOG_WARNING, errno, "no IPv4 support");
	errno = 0;
	mroute6 = socket(AF_INET6, SOCK_RAW, IPPROTO_ICMPV6);
	if (mroute6 >= 0) {
		if (pktinfo(mroute6) < 0) {
			close(mroute6);
			mroute6 = -1;
		} else {
			pim6 = pim_init(mroute6);
			if (pim6 < 0) {
				close(mroute6);
				mroute6 = -1;
			} else {
				add_poll(fds, &nfds, mroute6);
				add_poll(fds, &nfds, pim6);
			}
		}
	}
	if (mroute6 < 0)
		logger(LOG_WARNING, errno, "no IPv6 support");

	if (mroute4 < 0 && mroute6 < 0) {
		logger(LOG_ERR, 0, "multicast routing unavailable");
		ret = -EX_OSERR;
		goto exit;
	}

	ret = route_init();
	if (ret)
		goto mroute;

	errno = 0;
	grgid = getgrnam(gid);
	if (grgid) {
		if (setgid(grgid->gr_gid))
			logger(LOG_WARNING, errno, "unable to drop group privileges");
	} else
		logger(LOG_WARNING, errno, "unable to find group '%s' to drop privileges to", gid);
	errno = 0;
	pwuid = getpwnam(uid);
	if (pwuid) {
		if (setuid(pwuid->pw_uid))
			logger(LOG_WARNING, errno, "unable to drop user privileges");
	} else
		logger(LOG_WARNING, errno, "unable to find user '%s' to drop privileges to", uid);

	ret = signals(&sig_handler);
	if (ret)
		goto route;

	ret = prime_timers(&timerid_mld, &timerid_pim);
	if (ret)
		goto signal;

	buf = malloc(SOCK_BUFLEN);
	if (buf == NULL) {
		logger(LOG_ERR, 0, "malloc()");
		ret = -EX_OSERR;
		goto timer;
	}

	while (running) {
		ret = poll(fds, nfds, -1);
		if (ret == -1) {
			if (errno == EINTR)
				continue;

			logger(LOG_ERR, errno, "poll()");
			ret = -EX_OSERR;
			running = 0;
			continue;
		}

		for (i = 0; i < nfds; i++) {
			/* TODO handle errors */
			assert(!(fds[i].revents & (POLLERR | POLLHUP)));

			/* either a non-event or there is something to read */
			assert(!fds[i].revents || fds[i].revents & POLLIN);

			if (!fds[i].revents)
				continue;

			if (fds[i].revents & POLLIN) {
				ret = recvfromto(fds[i].fd, buf, SOCK_BUFLEN, 0,
						(struct sockaddr *)&from,
						(struct sockaddr *)&to,
						&addrlen, &from_ifindex);
				if (ret == -1)
					continue;

				if (fds[i].fd == pim4 || fds[i].fd == pim6)
					pim_recv(fds[i].fd, buf, ret,
							&from, &to, addrlen,
							from_ifindex);
				else
					mld_recv(fds[i].fd, buf, ret,
							&from, &to, addrlen,
							from_ifindex);
			}
		}
	}

	free(buf);

timer:
	timer_delete(timerid_mld);
	timer_delete(timerid_pim);
signal:
	signals(SIG_IGN);
route:
	route_shutdown();
mroute:
	if (mroute4 > 0) {
		close(pim4);
		pim_shutdown(mroute4);
	}
	if (mroute6 > 0) {
		close(pim6);
		pim_shutdown(mroute6);
	}
exit:
	logger(LOG_NOTICE, 0, "exiting");

	closelog();

	assert(ret <= 0);

	return -ret;
}
Exemple #11
0
int main(int argc, char *argv[])
{
	char buffer[MAX_PACKET_SIZE];
	static struct sockaddr_in addr;
	int rc, i, count;
	struct timeval t1, t2, dt;


	KICK(argc < 3, "incorrect usage\n"
	"Usage:\n"
	"./linphone_proxy <local_ip> <remote_ip>\n");
	local_ip = argv[1];
	remote_ip = argv[2];

	add_poll(&fds[0], STDIN_FILENO);

	proxy_to_linphone_socket = create_socket(SOCK_DGRAM, SIP_LINPHONE);
	init_sockaddr(&proxy_to_linphone_addr, "127.0.0.1", SIP_PORT);
	add_poll(&fds[1], proxy_to_linphone_socket);
	eprintf("created proxy_to_linphone SIP socket   SRC:localhost:%d - DST:localhost:%d\n",
			SIP_LINPHONE, SIP_PORT);

	proxy_to_proxy_socket = create_socket(SOCK_DGRAM, SIP_PROXY);
	init_sockaddr(&proxy_to_proxy_addr, remote_ip, SIP_PROXY);
	add_poll(&fds[2], proxy_to_proxy_socket);
	eprintf("created proxy_to_sip SIP socket        SRC:localhost:%d - DST:%s:%d\n",
			SIP_PROXY, remote_ip, SIP_PROXY);

	proxy_to_linphone_data_socket = create_socket(SOCK_DGRAM, DATA_LINPHONE);
	init_sockaddr(&proxy_to_linphone_data_addr, "127.0.0.1", DATA_PORT);
	add_poll(&fds[3], proxy_to_linphone_data_socket);
	eprintf("created proxy_to_linphone DATA socket  SRC:localhost:%d - DST:localhost:%d\n",
			DATA_LINPHONE, DATA_PORT);

	proxy_to_proxy_data_socket = create_socket(SOCK_DGRAM, DATA_PROXY);
	init_sockaddr(&proxy_to_proxy_data_addr, remote_ip, DATA_PROXY);
	add_poll(&fds[4], proxy_to_proxy_data_socket);
	eprintf("created proxy_to_proxy DATA socket     SRC:localhost:%d - DST:%s:%d\n",
			DATA_PROXY, remote_ip, DATA_PROXY);

	manager_socket = create_socket(SOCK_DGRAM, MANAGER_PORT);
	init_sockaddr(&manager_addr, "0.0.0.0", MANAGER_PORT);
	add_poll(&fds[5], manager_socket);
	eprintf("created manager socket                 SRC:localhost:%d - DST:0.0.0.0:0\n",
			MANAGER_PORT);

	while (1) {
		rc = poll(fds, NUM_FDS, -1);
		DIE(-1 == rc, "poll");

		for (i = 0; i < NUM_FDS; i++) {
			if (0 == fds[i].revents) {
				continue;
			}

			switch(i) {
			/* receive line from console */
			case 0:
				break;

			/* receive SIP packet from linphone */
			case 1:
				gettimeofday_safe(&t1);
				count = recv_msg(fds[i].fd, &proxy_to_linphone_addr, buffer);

				if (begins_with(buffer, "INVITE")) {
					copy_packet(&out_invite, buffer, count);
					//printf("captured INVITE packet:\n%s\n", out_invite.buffer);
				} else if (begins_with(buffer, "ACK")) {
					copy_packet(&out_ack, buffer, count);
					//printf("captured ACK packet:\n%s\n", out_ack.buffer);
				} else if (strstr(buffer, "200 OK") && strstr(buffer, "OPTIONS" )) {
					copy_packet(&out_op_ok, buffer, count);
					//printf("captured OPTIONS OK packet:\n%s\n", out_op_ok.buffer);
				}

				send_msg(proxy_to_proxy_socket, &proxy_to_proxy_addr, buffer, count);
				gettimeofday_safe(&t2);
				time_diff(&t1, &t2, &dt);
				printf("time case 1: %lu.%06lu\n", dt.tv_sec, dt.tv_usec);

				break;

			/* receive SIP packet from proxy */
			case 2:
				gettimeofday_safe(&t1);
				count = recv_msg(fds[i].fd, &addr, buffer);
				send_msg(proxy_to_linphone_socket, &proxy_to_linphone_addr, buffer, count);
				gettimeofday_safe(&t2);
				time_diff(&t1, &t2, &dt);
				printf("time case 2: %lu.%06lu\n", dt.tv_sec, dt.tv_usec);
				break;

			/* receive data packet from linphone */
			case 3:
				gettimeofday_safe(&t1);
				count = recv_msg(fds[i].fd, &proxy_to_linphone_data_addr, buffer);
				send_msg(proxy_to_proxy_data_socket, &proxy_to_proxy_data_addr, buffer, count);
				gettimeofday_safe(&t2);
				time_diff(&t1, &t2, &dt);
				printf("time case 3: %lu.%06lu\n", dt.tv_sec, dt.tv_usec);
				break;

			/* receive data packet from proxy */
			case 4:
				gettimeofday_safe(&t1);
				count = recv_msg(fds[i].fd, &addr, buffer);
				send_msg(proxy_to_linphone_data_socket, &proxy_to_linphone_data_addr, buffer, count);
				gettimeofday_safe(&t2);
				time_diff(&t1, &t2, &dt);
				printf("time case 4: %lu.%06lu\n", dt.tv_sec, dt.tv_usec);
				break;

			/* receive command from manager */
			case 5:
				count = recv_msg(fds[i].fd, &manager_addr, buffer);

				if (begins_with(buffer, "IP: ")) {					
					while (!isdigit(buffer[count - 1])) {
						buffer[--count] = 0;
					}
					strcpy(migrate_ip, buffer + 4);
					migrate_init();
				} else if (begins_with(buffer, "establish")) {
					migrate_establish();
				} else if (begins_with(buffer, "redirect: ")) {
					while (!isdigit(buffer[count - 1])) {
						buffer[--count] = 0;
					}
					strcpy(redirect_ip, buffer + 10);	
					migrate_redirect();
				}
				break;

			/* error */
			default:
				break;
			}
		}
	}

	return EXIT_SUCCESS;
}
Exemple #12
0
static inline void migrate_establish()
{
	char buffer[MAX_PACKET_SIZE];
	struct pollfd fd;
	int count, rc;
	char *p, *q;

	add_poll(&fd, manager_socket);

	rc = poll(&fd, 1, -1);
	DIE(-1 == rc, "poll");
	count = recv_msg(manager_socket, &manager_addr, buffer);
	copy_packet(&useful_invite, buffer, count);
	eprintf("%s\n\n", useful_invite.buffer);

	rc = poll(&fd, 1, -1);
	DIE(-1 == rc, "poll");
	count = recv_msg(manager_socket, &manager_addr, buffer);
	copy_packet(&useful_ack, buffer, count);
	eprintf("%s\n\n", useful_ack.buffer);

	rc = poll(&fd, 1, -1);
	DIE(-1 == rc, "poll");
	count = recv_msg(manager_socket, &manager_addr, buffer);
	copy_packet(&useful_op_ok, buffer, count);
	eprintf("%s\n\n", buffer);

	get_data(useful_ack.buffer, &ack_data);
	printf("\nACK data\n");
	printf("branch: %s\n", ack_data.branch);	
	printf("From: %s\n", ack_data.from);
	printf("tag: %s\n", ack_data.from_tag);
	printf("To: %s\n", ack_data.to);
	printf("tag: %s\n", ack_data.to_tag);
	printf("Call-id: %s\n", ack_data.call_id);
	printf("\n");

	get_data(useful_op_ok.buffer, &op_ok_data);
	printf("\nOPTIONS OK data\n");
	printf("branch: %s\n", op_ok_data.branch);	
	printf("From: %s\n", op_ok_data.from);
	printf("tag: %s\n", op_ok_data.from_tag);
	printf("To: %s\n", op_ok_data.to);
	printf("tag: %s\n", op_ok_data.to_tag);
	printf("Call-id: %s\n", op_ok_data.call_id);
	printf("\n");

	p = strstr(ack_data.from, "@") + 1;
	q = strstr(p, ">");
	count = q - p;
	strncpy(initial_ip, p, count);
	initial_ip[count] = 0;
	printf("initial_ip: %s\n", initial_ip);

	replace_all(useful_invite.buffer, remote_ip, local_ip);
	replace_all(useful_invite.buffer, initial_ip, remote_ip);
	replace_all(useful_invite.buffer, ack_data.from_tag, ack_data.to_tag);
	useful_invite.size = strlen(useful_invite.buffer);
	printf("INVITE:\n%s\n", useful_invite.buffer);
	send_msg(proxy_to_linphone_socket, &proxy_to_linphone_addr,
			useful_invite.buffer, strlen(useful_invite.buffer));

	add_poll(&fd, proxy_to_linphone_socket);

	rc = poll(&fd, 1, -1);
	DIE(-1 == rc, "poll");
	recv_msg(proxy_to_linphone_socket, &proxy_to_linphone_addr, buffer);
	printf("\nreceived:\n%s\n", buffer);

	rc = poll(&fd, 1, -1);
	DIE(-1 == rc, "poll");
	recv_msg(proxy_to_linphone_socket, &proxy_to_linphone_addr, buffer);
	printf("\nreceived:\n%s\n", buffer);
	get_data(buffer, &data_101);
	
	rc = poll(&fd, 1, -1);
	DIE(-1 == rc, "poll");
	count = recv_msg(proxy_to_linphone_socket, &proxy_to_linphone_addr, buffer);
	copy_packet(&options, buffer, count);
	printf("\nreceived:\n%s\n", buffer);

	get_data(options.buffer, &options_data);
	printf("\nOPTIONS data\n");
	printf("branch: %s\n", options_data.branch);	
	printf("From: %s\n", options_data.from);
	printf("tag: %s\n", options_data.from_tag);
	printf("To: %s\n", options_data.to);
	printf("tag: %s\n", options_data.to_tag);
	printf("Call-id: %s\n", options_data.call_id);
	printf("\n");

	replace_all(useful_op_ok.buffer, remote_ip, local_ip);
	replace_all(useful_op_ok.buffer, initial_ip, remote_ip);
	replace_all(useful_op_ok.buffer, op_ok_data.from_tag, options_data.from_tag);
	replace_all(useful_op_ok.buffer, op_ok_data.to_tag, options_data.to_tag);
	replace_all(useful_op_ok.buffer, op_ok_data.branch, options_data.branch);
	replace_all(useful_op_ok.buffer, op_ok_data.call_id, options_data.call_id);
	printf("\nforged OPTIONS OK: \n%s\n", useful_op_ok.buffer);

	send_msg(proxy_to_linphone_socket, &proxy_to_linphone_addr,
			useful_op_ok.buffer, strlen(useful_op_ok.buffer));

	replace_all(useful_ack.buffer, remote_ip, local_ip);
	replace_all(useful_ack.buffer, initial_ip, remote_ip);
	replace_all(useful_ack.buffer, ack_data.from_tag, "magic");
	replace_all(useful_ack.buffer, ack_data.to_tag, data_101.to_tag);
	replace_all(useful_ack.buffer, "magic", ack_data.to_tag);
	printf("\nforged ACK: \n%s\n", useful_ack.buffer);	

	printf("1\n");
	rc = poll(&fd, 1, -1);
	DIE(-1 == rc, "poll");
	recv_msg(proxy_to_linphone_socket, &proxy_to_linphone_addr, buffer);
	printf("\nreceived:\n%s\n", buffer);
	printf("2\n");
	rc = poll(&fd, 1, -1);
	DIE(-1 == rc, "poll");
	recv_msg(proxy_to_linphone_socket, &proxy_to_linphone_addr, buffer);
	printf("\nreceived:\n%s\n", buffer);
	printf("3\n");
	send_msg(proxy_to_linphone_socket, &proxy_to_linphone_addr,
			useful_ack.buffer, strlen(useful_ack.buffer));
	printf("4\n");
	strcpy(buffer, "done");
	send_msg(manager_socket, &manager_addr, buffer, 4);
	printf("5\n");
}