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Set DSCP bits for IPv6 when setting traffic class.

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Motivation:

Linux uses different socket options to set the traffic class (DSCP) on IPv6

Modifications:

Also set IPV6_TCLASS for IPv6 sockets

Result:

TrafficClass will work on IPv4 and IPv6 correctly
This commit is contained in:
William Kemper 2016-01-04 12:07:50 -08:00 committed by Norman Maurer
parent 4eaa59d516
commit c205e2be76
1 changed files with 6 additions and 0 deletions
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6
transport-native-epoll/src/main/c/io_netty_channel_epoll_Native.c
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@ -405,6 +405,12 @@ JNIEXPORT void JNICALL Java_io_netty_channel_epoll_Native_setTcpNotSentLowAt(JNI
JNIEXPORT void JNICALL Java_io_netty_channel_epoll_Native_setTrafficClass(JNIEnv* env, jclass clazz, jint fd, jint optval) {
netty_unix_socket_setOption(env, fd, IPPROTO_IP, IP_TOS, &optval, sizeof(optval));
/* Try to set the ipv6 equivalent, but don't throw if this is an ipv4 only socket. */
int rc = setsockopt(fd, IPPROTO_IPV6, IPV6_TCLASS, &optval, sizeof(optval));
if (rc < 0 && errno != ENOPROTOOPT) {
netty_unix_errors_throwChannelExceptionErrorNo(env, "setting ipv6 dscp failed: ", errno);
}
}
JNIEXPORT void JNICALL Java_io_netty_channel_epoll_Native_setBroadcast(JNIEnv* env, jclass clazz, jint fd, jint optval) {