static jint netty_kqueue_bsdsocket_getTcpNoPush(JNIEnv* env, jclass clazz, jint fd) {
int optval;
if (netty_unix_socket_getOption(env, fd, IPPROTO_TCP, TCP_NOPUSH, &optval, sizeof(optval)) == -1) {
return -1;
}
return optval;
}
static jint netty_kqueue_bsdsocket_getSndLowAt(JNIEnv* env, jclass clazz, jint fd) {
int optval;
if (netty_unix_socket_getOption(env, fd, SOL_SOCKET, SO_SNDLOWAT, &optval, sizeof(optval)) == -1) {
return -1;
}
return optval;
}
JNIEXPORT jint JNICALL Java_io_netty_channel_epoll_Native_getTcpUserTimeout(JNIEnv* env, jclass clazz, jint fd) {
int optval;
if (netty_unix_socket_getOption(env, fd, IPPROTO_TCP, TCP_USER_TIMEOUT, &optval, sizeof(optval)) == -1) {
return -1;
}
return optval;
}
JNIEXPORT jint JNICALL Java_io_netty_channel_epoll_Native_isIpFreeBind(JNIEnv* env, jclass clazz, jint fd) {
int optval;
if (netty_unix_socket_getOption(env, fd, IPPROTO_TCP, IP_FREEBIND, &optval, sizeof(optval)) == -1) {
return -1;
}
return optval;
}
JNIEXPORT jint JNICALL Java_io_netty_channel_epoll_Native_getTcpKeepIntvl(JNIEnv* env, jclass clazz, jint fd) {
int optval;
if (netty_unix_socket_getOption(env, fd, IPPROTO_TCP, TCP_KEEPINTVL, &optval, sizeof(optval)) == -1) {
return -1;
}
return optval;
}
JNIEXPORT jint JNICALL Java_io_netty_channel_epoll_Native_isBroadcast(JNIEnv* env, jclass clazz, jint fd) {
int optval;
if (netty_unix_socket_getOption(env, fd, SOL_SOCKET, SO_BROADCAST, &optval, sizeof(optval)) == -1) {
return -1;
}
return optval;
}
JNIEXPORT jint JNICALL Java_io_netty_channel_epoll_Native_getTrafficClass(JNIEnv* env, jclass clazz, jint fd) {
int optval;
if (netty_unix_socket_getOption(env, fd, IPPROTO_IP, IP_TOS, &optval, sizeof(optval)) == -1) {
return -1;
}
return optval;
}
JNIEXPORT jint JNICALL Java_io_netty_channel_epoll_Native_getTcpNotSentLowAt(JNIEnv* env, jclass clazz, jint fd) {
int optval;
if (netty_unix_socket_getOption(env, fd, IPPROTO_TCP, TCP_NOTSENT_LOWAT, &optval, sizeof(optval)) == -1) {
return -1;
}
return optval;
}
JNIEXPORT jint JNICALL Java_io_netty_channel_epoll_Native_isReuseAddresss(JNIEnv* env, jclass clazz, jint fd) {
int optval;
if (netty_unix_socket_getOption(env, fd, SOL_SOCKET, SO_REUSEADDR, &optval, sizeof(optval)) == -1) {
return -1;
}
return optval;
}
static jobjectArray netty_kqueue_bsdsocket_getAcceptFilter(JNIEnv* env, jclass clazz, jint fd) {
#ifdef SO_ACCEPTFILTER
struct accept_filter_arg af;
if (netty_unix_socket_getOption(env, fd, SOL_SOCKET, SO_ACCEPTFILTER, &af, sizeof(af)) == -1) {
netty_unix_errors_throwChannelExceptionErrorNo(env, "getsockopt() failed: ", errno);
return NULL;
}
jobjectArray resultArray = (*env)->NewObjectArray(env, 2, stringCls, NULL);
(*env)->SetObjectArrayElement(env, resultArray, 0, (*env)->NewStringUTF(env, &af.af_name[0]));
(*env)->SetObjectArrayElement(env, resultArray, 1, (*env)->NewStringUTF(env, &af.af_arg[0]));
return resultArray;
#else // No know replacement on MacOS
// Don't throw here because this is used when getting a list of all options.
return NULL;
#endif
}
static jobject netty_kqueue_bsdsocket_getPeerCredentials(JNIEnv *env, jclass clazz, jint fd) {
struct xucred credentials;
// It has been observed on MacOS that this method can complete successfully but not set all fields of xucred.
credentials.cr_ngroups = 0;
if(netty_unix_socket_getOption(env,fd, SOL_SOCKET, LOCAL_PEERCRED, &credentials, sizeof (credentials)) == -1) {
return NULL;
}
jintArray gids = NULL;
if (credentials.cr_ngroups > 1) {
gids = (*env)->NewIntArray(env, credentials.cr_ngroups);
(*env)->SetIntArrayRegion(env, gids, 0, credentials.cr_ngroups, (jint*) credentials.cr_groups);
} else {
// It has been observed on MacOS that cr_ngroups may not be set, but the cr_gid field is set.
gids = (*env)->NewIntArray(env, 1);
(*env)->SetIntArrayRegion(env, gids, 0, 1, (jint*) &credentials.cr_gid);
}
// TODO: getting the PID may require reading/sending "ancillary data" via SCM_CREDENTIALS which is not desirable.
return (*env)->NewObject(env, peerCredentialsClass, peerCredentialsMethodId, 0, credentials.cr_uid, gids);
}
JNIEXPORT void JNICALL Java_io_netty_channel_epoll_Native_tcpInfo0(JNIEnv* env, jclass clazz, jint fd, jintArray array) {
struct tcp_info tcp_info;
if (netty_unix_socket_getOption(env, fd, IPPROTO_TCP, TCP_INFO, &tcp_info, sizeof(tcp_info)) == -1) {
return;
}
unsigned int cArray[32];
cArray[0] = tcp_info.tcpi_state;
cArray[1] = tcp_info.tcpi_ca_state;
cArray[2] = tcp_info.tcpi_retransmits;
cArray[3] = tcp_info.tcpi_probes;
cArray[4] = tcp_info.tcpi_backoff;
cArray[5] = tcp_info.tcpi_options;
cArray[6] = tcp_info.tcpi_snd_wscale;
cArray[7] = tcp_info.tcpi_rcv_wscale;
cArray[8] = tcp_info.tcpi_rto;
cArray[9] = tcp_info.tcpi_ato;
cArray[10] = tcp_info.tcpi_snd_mss;
cArray[11] = tcp_info.tcpi_rcv_mss;
cArray[12] = tcp_info.tcpi_unacked;
cArray[13] = tcp_info.tcpi_sacked;
cArray[14] = tcp_info.tcpi_lost;
cArray[15] = tcp_info.tcpi_retrans;
cArray[16] = tcp_info.tcpi_fackets;
cArray[17] = tcp_info.tcpi_last_data_sent;
cArray[18] = tcp_info.tcpi_last_ack_sent;
cArray[19] = tcp_info.tcpi_last_data_recv;
cArray[20] = tcp_info.tcpi_last_ack_recv;
cArray[21] = tcp_info.tcpi_pmtu;
cArray[22] = tcp_info.tcpi_rcv_ssthresh;
cArray[23] = tcp_info.tcpi_rtt;
cArray[24] = tcp_info.tcpi_rttvar;
cArray[25] = tcp_info.tcpi_snd_ssthresh;
cArray[26] = tcp_info.tcpi_snd_cwnd;
cArray[27] = tcp_info.tcpi_advmss;
cArray[28] = tcp_info.tcpi_reordering;
cArray[29] = tcp_info.tcpi_rcv_rtt;
cArray[30] = tcp_info.tcpi_rcv_space;
cArray[31] = tcp_info.tcpi_total_retrans;
(*env)->SetIntArrayRegion(env, array, 0, 32, cArray);
}