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@ -745,23 +745,32 @@ char* ast_rtp_lookup_mime_subtype(int isAstFormat, int code) {
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return "";
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}
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static int rtp_socket(void)
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{
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int s;
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long flags;
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s = socket(AF_INET, SOCK_DGRAM, 0);
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if (s > -1) {
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flags = fcntl(s, F_GETFL);
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fcntl(s, F_SETFL, flags | O_NONBLOCK);
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}
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return s;
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}
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static struct ast_rtcp *ast_rtcp_new(void)
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{
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struct ast_rtcp *rtcp;
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long flags;
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rtcp = malloc(sizeof(struct ast_rtcp));
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if (!rtcp)
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return NULL;
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memset(rtcp, 0, sizeof(struct ast_rtcp));
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rtcp->s = socket(AF_INET, SOCK_DGRAM, 0);
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rtcp->s = rtp_socket();
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rtcp->us.sin_family = AF_INET;
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if (rtcp->s < 0) {
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free(rtcp);
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ast_log(LOG_WARNING, "Unable to allocate socket: %s\n", strerror(errno));
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return NULL;
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}
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flags = fcntl(rtcp->s, F_GETFL);
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fcntl(rtcp->s, F_SETFL, flags | O_NONBLOCK);
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return rtcp;
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}
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@ -769,7 +778,7 @@ struct ast_rtp *ast_rtp_new(struct sched_context *sched, struct io_context *io,
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{
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struct ast_rtp *rtp;
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int x;
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int flags;
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int first;
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int startplace;
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rtp = malloc(sizeof(struct ast_rtp));
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if (!rtp)
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@ -777,7 +786,7 @@ struct ast_rtp *ast_rtp_new(struct sched_context *sched, struct io_context *io,
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memset(rtp, 0, sizeof(struct ast_rtp));
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rtp->them.sin_family = AF_INET;
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rtp->us.sin_family = AF_INET;
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rtp->s = socket(AF_INET, SOCK_DGRAM, 0);
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rtp->s = rtp_socket();
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rtp->ssrc = rand();
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rtp->seqno = rand() & 0xffff;
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if (rtp->s < 0) {
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@ -789,8 +798,6 @@ struct ast_rtp *ast_rtp_new(struct sched_context *sched, struct io_context *io,
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rtp->sched = sched;
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rtp->rtcp = ast_rtcp_new();
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}
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flags = fcntl(rtp->s, F_GETFL);
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fcntl(rtp->s, F_SETFL, flags | O_NONBLOCK);
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/* Find us a place */
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x = (rand() % (rtpend-rtpstart)) + rtpstart;
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x = x & ~1;
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@ -800,9 +807,14 @@ struct ast_rtp *ast_rtp_new(struct sched_context *sched, struct io_context *io,
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rtp->us.sin_port = htons(x);
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if (rtp->rtcp)
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rtp->rtcp->us.sin_port = htons(x + 1);
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if (!bind(rtp->s, (struct sockaddr *)&rtp->us, sizeof(rtp->us)) &&
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if (!(first = bind(rtp->s, (struct sockaddr *)&rtp->us, sizeof(rtp->us))) &&
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(!rtp->rtcp || !bind(rtp->rtcp->s, (struct sockaddr *)&rtp->rtcp->us, sizeof(rtp->rtcp->us))))
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break;
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if (!first) {
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/* Primary bind succeeded! Gotta recreate it */
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close(rtp->s);
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rtp->s = rtp_socket();
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}
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if (errno != EADDRINUSE) {
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ast_log(LOG_WARNING, "Unexpected bind error: %s\n", strerror(errno));
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close(rtp->s);
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