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8236184: (dc) IP_MULTICAST_* and IP_TOS socket options not effective

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Reviewed-by: dfuchs
This commit is contained in:
Alan Bateman 2019-12-19 08:36:40 +00:00
parent 75cd193aac
commit 27e0cdf12d
5 changed files with 229 additions and 12 deletions
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18
src/java.base/unix/native/libnio/ch/Net.c
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@ -155,6 +155,18 @@ Java_sun_nio_ch_Net_isExclusiveBindAvailable(JNIEnv *env, jclass clazz) {
return -1;
}
JNIEXPORT jboolean JNICALL
Java_sun_nio_ch_Net_shouldSetBothIPv4AndIPv6Options0(JNIEnv* env, jclass cl)
{
#if defined(__linux__)
/* Set both IPv4 and IPv6 socket options when setting multicast options */
return JNI_TRUE;
#else
/* Do not set both IPv4 and IPv6 socket options when setting multicast options */
return JNI_FALSE;
#endif
}
JNIEXPORT jboolean JNICALL
Java_sun_nio_ch_Net_canIPv6SocketJoinIPv4Group0(JNIEnv* env, jclass cl)
{
@ -540,12 +552,6 @@ Java_sun_nio_ch_Net_setIntOption0(JNIEnv *env, jclass clazz, jobject fdo,
JNU_JAVANETPKG "SocketException",
"sun.nio.ch.Net.setIntOption");
}
#ifdef __linux__
if (level == IPPROTO_IPV6 && opt == IPV6_TCLASS && isIPv6) {
// set the V4 option also
setsockopt(fdval(env, fdo), IPPROTO_IP, IP_TOS, parg, arglen);
}
#endif
}
JNIEXPORT jint JNICALL