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change play_pcap_audio raw socket to udp socket #571

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change play_pcap_audio raw socket to udp socket #571

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19 changes: 10 additions & 9 deletions src/send_packets.c
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Original file line number Diff line number Diff line change
Expand Up @@ -195,21 +195,22 @@ void send_packets(play_args_t* play_args)
#endif

if (media_ip_is_ipv6) {
sock = socket(PF_INET6, SOCK_RAW, IPPROTO_UDP);
sock = socket(PF_INET6, SOCK_DGRAM, 0);
if (sock < 0) {
ERROR("Can't create raw IPv6 socket (need to run as root?): %s", strerror(errno));
ERROR("Can't create udp IPv6 socket (need to run as root?): %s", strerror(errno));
goto pop2;
}
from_port = &(((struct sockaddr_in6 *)from)->sin6_port);
len = sizeof(struct sockaddr_in6);
to_port = &(((struct sockaddr_in6 *)to)->sin6_port);
} else {
sock = socket(PF_INET, SOCK_RAW, IPPROTO_UDP);
//change raw socket to udp socket for avoid performance problems.
sock = socket(PF_INET, SOCK_DGRAM, 0);
from_port = &(((struct sockaddr_in *)from)->sin_port);
len = sizeof(struct sockaddr_in);
to_port = &(((struct sockaddr_in *)to)->sin_port);
if (sock < 0) {
ERROR("Can't create raw IPv4 socket (need to run as root?): %s", strerror(errno));
ERROR("Can't create udp IPv4 socket (need to run as root?): %s", strerror(errno));
goto pop2;
}
}
Expand All @@ -227,12 +228,12 @@ void send_packets(play_args_t* play_args)
memcpy(&bind_addr, from, sizeof(struct sockaddr_in));
((struct sockaddr_in *)&bind_addr)->sin_port = 0;
}

if ((ret = bind(sock, (struct sockaddr *)&bind_addr, len))) {
//don't need it any more when use udp socket
/* if ((ret = bind(sock, (struct sockaddr*)&bind_addr, len))) {
ERROR("Can't bind media raw socket: %s", strerror(errno));
goto pop2;
}

*/
#ifndef MSG_DONTWAIT
fd_flags = fcntl(sock, F_GETFL , NULL);
fd_flags |= O_NONBLOCK;
Expand Down Expand Up @@ -295,10 +296,10 @@ void send_packets(play_args_t* play_args)
}
#else
if (!media_ip_is_ipv6) {
ret = sendto(sock, buffer, pkt_index->pktlen, 0,
ret = sendto(sock, buffer + sizeof(struct udphdr), pkt_index->pktlen - sizeof(struct udphdr), 0,
(struct sockaddr *)to, sizeof(struct sockaddr_in));
} else {
ret = sendto(sock, buffer, pkt_index->pktlen, 0,
ret = sendto(sock, buffer + sizeof(struct udphdr), pkt_index->pktlen - sizeof(struct udphdr), 0,
(struct sockaddr *)&to6, sizeof(struct sockaddr_in6));
}
#endif
Expand Down