7  * published by the Free Software Foundation.  Oracle designates this
9  * by Oracle in the LICENSE file that accompanied this code.
15  * accompanied this code).
18  * 2 along with this work; if not, write to the Free Software Foundation,
127 static int getFD(JNIEnv *env, jobject this) {
128     jobject fdObj = (*env)->GetObjectField(env, this, pdsi_fdID);
136 static int getFD1(JNIEnv *env, jobject this) {
137     jobject fdObj = (*env)->GetObjectField(env, this, pdsi_fd1ID);
178      * First time we are called we must determine which OS this is and also
195              * Step 1: Determine which OS this is.
221              * this machine. This is necesary because we need to check if the
301  * Return JNI_TRUE if this Windows edition supports ICMP Port Unreachable
328 static jboolean purgeOutstandingICMP(JNIEnv *env, jobject this, jint fd)
338      * A no-op if this OS doesn't support it.
423 Java_java_net_TwoStacksPlainDatagramSocketImpl_bind0(JNIEnv *env, jobject this,
426     jobject fdObj = (*env)->GetObjectField(env, this, pdsi_fdID);
427     jobject fd1Obj = (*env)->GetObjectField(env, this, pdsi_fd1ID);
474                     (*env)->SetObjectField(env, this, pdsi_fdID, NULL);
484                     (*env)->SetObjectField(env, this, pdsi_fd1ID, NULL);
515     (*env)->SetIntField(env, this, pdsi_localPortID, port);
526 Java_java_net_TwoStacksPlainDatagramSocketImpl_connect0(JNIEnv *env, jobject this,
529     jobject fdObj = (*env)->GetObjectField(env, this, pdsi_fdID);
530     jobject fd1Obj = (*env)->GetObjectField(env, this, pdsi_fd1ID);
570          * as connected sockets. The solution is to only enable this feature
595 Java_java_net_TwoStacksPlainDatagramSocketImpl_disconnect0(JNIEnv *env, jobject this, jint family) {
603         fdObj = (*env)->GetObjectField(env, this, pdsi_fdID);
606         fdObj = (*env)->GetObjectField(env, this, pdsi_fd1ID);
636 Java_java_net_TwoStacksPlainDatagramSocketImpl_send(JNIEnv *env, jobject this,
667     connected = (*env)->GetBooleanField(env, this, pdsi_connected);
676         fdObj = (*env)->GetObjectField(env, this, pdsi_fdID);
683         fdObj = (*env)->GetObjectField(env, this, pdsi_fd1ID);
696         addrp = 0; /* arg to JVM_Sendto () null in this case */
708          * on the same machine then this will fail silently. Thus we
709          * catch this situation here so that we can throw an exception
710          * when this arises.
715         if (!w2k_or_later) { /* avoid this check on Win 2K or better. Does not work with IPv6.
771  * Only call this if sure that there is data on both sockets.
773 static int checkLastFD (JNIEnv *env, jobject this, int fd, int fd1) {
774     int nextfd, lastfd = (*env)->GetIntField(env, this, pdsi_lastfdID);
777         (*env)->SetIntField(env, this, pdsi_lastfdID, fd);
785         (*env)->SetIntField(env, this, pdsi_lastfdID, nextfd);
796 Java_java_net_TwoStacksPlainDatagramSocketImpl_peek(JNIEnv *env, jobject this,
799     jobject fdObj = (*env)->GetObjectField(env, this, pdsi_fdID);
800     jint timeout = (*env)->GetIntField(env, this, pdsi_timeoutID);
866                  * An icmp port unreachable - we must receive this as Windows
867                  * does not reset the state of the socket until this has been
870                 purgeOutstandingICMP(env, this, fd);
872                 connected =  (*env)->GetBooleanField(env, this, pdsi_connected);
917 Java_java_net_TwoStacksPlainDatagramSocketImpl_peekData(JNIEnv *env, jobject this,
922     jobject fdObj = (*env)->GetObjectField(env, this, pdsi_fdID);
923     jobject fd1Obj = (*env)->GetObjectField(env, this, pdsi_fd1ID);
924     jint timeout = (*env)->GetIntField(env, this, pdsi_timeoutID);
1026              * for this call to peek() */
1043                 fduse = checkLastFD (env, this, fd, fd1);
1078                  * An icmp port unreachable - we must receive this as Windows
1079                  * does not reset the state of the socket until this has been
1082                 purgeOutstandingICMP(env, this, fduse);
1084                 connected = (*env)->GetBooleanField(env, this, pdsi_connected);
1147          * Check if there is an InetAddress already associated with this
1174     (*env)->SetIntField(env, this, pdsi_fduseID, fduse);
1188 Java_java_net_TwoStacksPlainDatagramSocketImpl_receive0(JNIEnv *env, jobject this,
1193     jobject fdObj = (*env)->GetObjectField(env, this, pdsi_fdID);
1194     jobject fd1Obj = (*env)->GetObjectField(env, this, pdsi_fd1ID);
1195     jint timeout = (*env)->GetIntField(env, this, pdsi_timeoutID);
1229         fduse = (*env)->GetIntField(env, this, pdsi_fduseID);
1235                 fduse = checkLastFD (env, this, fd, fd1);
1253         /* ipv6 supported: and this socket bound to an IPV6 only address */
1256         /* ipv6 supported: and this socket bound to an IPV4 only address */
1300      * If this Windows edition supports ICMP port unreachable and if we
1305      * t2 < t1. In this case we must discard the ICMP packets and then
1308     connected = (*env)->GetBooleanField(env, this, pdsi_connected);
1350                 purgeOutstandingICMP(env, this, fduse);
1441          * Check if there is an InetAddress already associated with this
1479                                                            jobject this) {
1480     jobject fdObj = (*env)->GetObjectField(env, this, pdsi_fdID);
1481     jobject fd1Obj = (*env)->GetObjectField(env, this, pdsi_fd1ID);
1507          * as connected sockets. The solution is to only enable this feature
1525         (*env)->SetObjectField(env, this, pdsi_fd1ID, NULL);
1536                                                           jobject this) {
1540     jobject fdObj = (*env)->GetObjectField(env, this, pdsi_fdID);
1541     jobject fd1Obj = (*env)->GetObjectField(env, this, pdsi_fd1ID);
1593      * Check that there is at least one address bound to this
1664 static void setMulticastInterface(JNIEnv *env, jobject this, int fd, int fd1,
1673          * On IPv6 system get the NetworkInterface that this IP
1744             /* If there are any IPv4 addresses on this interface then
1784 Java_java_net_TwoStacksPlainDatagramSocketImpl_socketNativeSetOption(JNIEnv *env,jobject this,
1795     fd = getFD(env, this);
1798         fd1 = getFD1(env, this);
1808         setMulticastInterface(env, this, fd, fd1, opt, value);
1919 jobject getMulticastInterface(JNIEnv *env, jobject this, int fd, int fd1, jint opt) {
1974          * this address and return it
1997          * with this address.
2132 Java_java_net_TwoStacksPlainDatagramSocketImpl_socketGetOption(JNIEnv *env, jobject this,
2142     fd = getFD(env, this);
2144         fd1 = getFD1(env, this);
2158         return getMulticastInterface(env, this, fd, fd1, opt);
2238 Java_java_net_TwoStacksPlainDatagramSocketImpl_setTimeToLive(JNIEnv *env, jobject this,
2241     jobject fdObj = (*env)->GetObjectField(env, this, pdsi_fdID);
2242     jobject fd1Obj = (*env)->GetObjectField(env, this, pdsi_fd1ID);
2281 Java_java_net_TwoStacksPlainDatagramSocketImpl_setTTL(JNIEnv *env, jobject this,
2283     Java_java_net_TwoStacksPlainDatagramSocketImpl_setTimeToLive(env, this,
2293 Java_java_net_TwoStacksPlainDatagramSocketImpl_getTimeToLive(JNIEnv *env, jobject this) {
2294     jobject fdObj = (*env)->GetObjectField(env, this, pdsi_fdID);
2295     jobject fd1Obj = (*env)->GetObjectField(env, this, pdsi_fd1ID);
2337 Java_java_net_TwoStacksPlainDatagramSocketImpl_getTTL(JNIEnv *env, jobject this) {
2338     int result = Java_java_net_TwoStacksPlainDatagramSocketImpl_getTimeToLive(env, this);
2346 static void mcast_join_leave(JNIEnv *env, jobject this,
2350     jobject fdObj = (*env)->GetObjectField(env, this, pdsi_fdID);
2351     jobject fd1Obj = (*env)->GetObjectField(env, this, pdsi_fd1ID);
2387      * eventually this check should be done by the security manager
2481 Java_java_net_TwoStacksPlainDatagramSocketImpl_join(JNIEnv *env, jobject this,
2484     mcast_join_leave (env, this, iaObj, niObj, JNI_TRUE);
2493 Java_java_net_TwoStacksPlainDatagramSocketImpl_leave(JNIEnv *env, jobject this,
2496     mcast_join_leave (env, this, iaObj, niObj, JNI_FALSE);

Indexes created Tue Jul 24 14:28:13 CEST 2018