/* * Class: java_net_DualStackPlainDatagramSocketImpl * Method: socketCreate * Signature: (Z)I */ JNIEXPORT jint JNICALL Java_java_net_DualStackPlainDatagramSocketImpl_socketCreate (JNIEnv *env, jclass clazz, jboolean v6Only /*unused*/) { int fd, rv, opt=0, t=TRUE; DWORD x1, x2; /* ignored result codes */ fd = (int) socket(AF_INET6, SOCK_DGRAM, 0); if (fd == INVALID_SOCKET) { NET_ThrowNew(env, WSAGetLastError(), "Socket creation failed"); return -1; } rv = setsockopt(fd, IPPROTO_IPV6, IPV6_V6ONLY, (char *) &opt, sizeof(opt)); if (rv == SOCKET_ERROR) { NET_ThrowNew(env, WSAGetLastError(), "Socket creation failed"); closesocket(fd); return -1; } SetHandleInformation((HANDLE)(UINT_PTR)fd, HANDLE_FLAG_INHERIT, FALSE); NET_SetSockOpt(fd, SOL_SOCKET, SO_BROADCAST, (char*)&t, sizeof(BOOL)); /* SIO_UDP_CONNRESET fixes a "bug" introduced in Windows 2000, which * returns connection reset errors on unconnected UDP sockets (as well * as connected sockets). The solution is to only enable this feature * when the socket is connected. */ t = FALSE; WSAIoctl(fd ,SIO_UDP_CONNRESET ,&t ,sizeof(t) ,&x1 ,sizeof(x1) ,&x2 ,0 ,0); return fd; }
/* * Class: java_net_DualStackPlainSocketImpl * Method: setIntOption * Signature: (III)V */ JNIEXPORT void JNICALL Java_java_net_DualStackPlainSocketImpl_setIntOption (JNIEnv *env, jclass clazz, jint fd, jint cmd, jint value) { int level, opt; struct linger linger; char *parg; int arglen; if (NET_MapSocketOption(cmd, &level, &opt) < 0) { JNU_ThrowByNameWithLastError(env, JNU_JAVANETPKG "SocketException", "Invalid option"); return; } if (opt == java_net_SocketOptions_SO_LINGER) { parg = (char *)&linger; arglen = sizeof(linger); if (value >= 0) { linger.l_onoff = 1; linger.l_linger = (unsigned short)value; } else { linger.l_onoff = 0; linger.l_linger = 0; } } else { parg = (char *)&value; arglen = sizeof(value); } if (NET_SetSockOpt(fd, level, opt, parg, arglen) < 0) { NET_ThrowNew(env, WSAGetLastError(), "setsockopt"); } }
JNIEXPORT int JNICALL Java_sun_nio_ch_Net_socket0(JNIEnv *env, jclass cl, jboolean stream, jboolean reuse) { int fd; #ifdef AF_INET6 if (ipv6_available()) fd = socket(AF_INET6, (stream ? SOCK_STREAM : SOCK_DGRAM), 0); else #endif /* AF_INET6 */ fd = socket(AF_INET, (stream ? SOCK_STREAM : SOCK_DGRAM), 0); if (fd < 0) { return handleSocketError(env, errno); } if (reuse) { int arg = 1; if (NET_SetSockOpt(fd, SOL_SOCKET, SO_REUSEADDR, (char*)&arg, sizeof(arg)) < 0) { JNU_ThrowByNameWithLastError(env, JNU_JAVANETPKG "SocketException", "sun.nio.ch.Net.setIntOption"); } } return fd; }
JNIEXPORT void JNICALL Java_sun_nio_ch_Net_setIntOption0(JNIEnv *env, jclass clazz, jobject fdo, jboolean mayNeedConversion, jint level, jint opt, jint arg) { struct linger linger; char *parg; int arglen, n; if (level == SOL_SOCKET && opt == SO_LINGER) { parg = (char *)&linger; arglen = sizeof(linger); if (arg >= 0) { linger.l_onoff = 1; linger.l_linger = (unsigned short)arg; } else { linger.l_onoff = 0; linger.l_linger = 0; } } else { parg = (char *)&arg; arglen = sizeof(arg); } if (mayNeedConversion) { n = NET_SetSockOpt(fdval(env, fdo), level, opt, parg, arglen); } else { n = setsockopt(fdval(env, fdo), level, opt, parg, arglen); } if (n < 0) handleSocketError(env, WSAGetLastError()); }
JNIEXPORT void JNICALL Java_sun_nio_ch_Net_setIntOption0(JNIEnv *env, jclass clazz, jobject fdo, jboolean mayNeedConversion, jint level, jint opt, jint arg, jboolean isIPv6) { int result; struct linger linger; u_char carg; void *parg; socklen_t arglen; int n; /* Option value is an int except for a few specific cases */ parg = (void*)&arg; arglen = sizeof(arg); if (level == IPPROTO_IP && (opt == IP_MULTICAST_TTL || opt == IP_MULTICAST_LOOP)) { parg = (void*)&carg; arglen = sizeof(carg); carg = (u_char)arg; } if (level == SOL_SOCKET && opt == SO_LINGER) { parg = (void *)&linger; arglen = sizeof(linger); if (arg >= 0) { linger.l_onoff = 1; linger.l_linger = arg; } else { linger.l_onoff = 0; linger.l_linger = 0; } } if (mayNeedConversion) { n = NET_SetSockOpt(fdval(env, fdo), level, opt, parg, arglen); } else { n = setsockopt(fdval(env, fdo), level, opt, parg, arglen); } if (n < 0) { JNU_ThrowByNameWithLastError(env, 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 }
/* * Class: java_net_DualStackPlainDatagramSocketImpl * Method: socketSetIntOption * Signature: (III)V */ JNIEXPORT void JNICALL Java_java_net_DualStackPlainDatagramSocketImpl_socketSetIntOption (JNIEnv *env, jclass clazz, jint fd , jint cmd, jint value) { int level = 0, opt = 0; if (NET_MapSocketOption(cmd, &level, &opt) < 0) { JNU_ThrowByNameWithLastError(env, JNU_JAVANETPKG "SocketException", "Invalid option"); return; } if (NET_SetSockOpt(fd, level, opt, (char *)&value, sizeof(value)) < 0) { NET_ThrowNew(env, WSAGetLastError(), "setsockopt"); } }
JNIEXPORT void JNICALL Java_sun_nio_ch_Net_setIntOption0(JNIEnv *env, jclass clazz, jobject fdo, jint opt, jint arg) { int klevel, kopt; int result; struct linger linger; void *parg; int arglen; if (NET_MapSocketOption(opt, &klevel, &kopt) < 0) { JNU_ThrowByNameWithLastError(env, JNU_JAVANETPKG "SocketException", "Unsupported socket option"); return; } if (opt == java_net_SocketOptions_SO_LINGER) { parg = (void *)&linger; arglen = sizeof(linger); if (arg >= 0) { linger.l_onoff = 1; linger.l_linger = arg; } else { linger.l_onoff = 0; linger.l_linger = 0; } } else { parg = (void *)&arg; arglen = sizeof(arg); } if (NET_SetSockOpt(fdval(env, fdo), klevel, kopt, parg, arglen) < 0) { JNU_ThrowByNameWithLastError(env, JNU_JAVANETPKG "SocketException", "sun.nio.ch.Net.setIntOption"); } }
/* * Class: sun_nio_ch_sctp_SctpNet * Method: getLocalAddresses0 * Signature: (I)[Ljava/net/SocketAddress; */ JNIEXPORT jobjectArray JNICALL Java_sun_nio_ch_sctp_SctpNet_getLocalAddresses0 (JNIEnv *env, jclass klass, jint fd) { void *addr_buf, *laddr; struct sockaddr* sap; int i, addrCount; jobjectArray isaa; #ifdef __solaris__ if ((addrCount = nio_sctp_getladdrs(fd, 0, (void **)&addr_buf)) == -1) { #else /* __linux__ */ if ((addrCount = nio_sctp_getladdrs(fd, 0, (struct sockaddr **)&addr_buf)) == -1) { #endif handleSocketError(env, errno); return NULL; } if (addrCount < 1) return NULL; if (isaCls == 0) { initializeISA(env); CHECK_NULL_RETURN(isaCls, NULL); } isaa = (*env)->NewObjectArray(env, addrCount, isaCls, NULL); if (isaa == NULL) { nio_sctp_freeladdrs(addr_buf); return NULL; } laddr = addr_buf; for (i=0; i<addrCount; i++) { int port = 0; jobject isa = NULL, ia; sap = (struct sockaddr*)addr_buf; ia = NET_SockaddrToInetAddress(env, sap, &port); if (ia != NULL) isa = (*env)->NewObject(env, isaCls, isaCtrID, ia, port); if (isa == NULL) break; (*env)->SetObjectArrayElement(env, isaa, i, isa); if (sap->sa_family == AF_INET) addr_buf = ((struct sockaddr_in*)addr_buf) + 1; else addr_buf = ((struct sockaddr_in6*)addr_buf) + 1; } nio_sctp_freeladdrs(laddr); return isaa; } jobjectArray getRemoteAddresses (JNIEnv *env, jint fd, sctp_assoc_t id) { void *addr_buf, *paddr; struct sockaddr* sap; int i, addrCount; jobjectArray isaa; #if __solaris__ if ((addrCount = nio_sctp_getpaddrs(fd, id, (void **)&addr_buf)) == -1) { #else /* __linux__ */ if ((addrCount = nio_sctp_getpaddrs(fd, id, (struct sockaddr**)&addr_buf)) == -1) { #endif handleSocketError(env, errno); return NULL; } if (addrCount < 1) return NULL; if (isaCls == 0) { initializeISA(env); CHECK_NULL_RETURN(isaCls, NULL); } isaa = (*env)->NewObjectArray(env, addrCount, isaCls, NULL); if (isaa == NULL) { nio_sctp_freepaddrs(addr_buf); return NULL; } paddr = addr_buf; for (i=0; i<addrCount; i++) { jobject ia, isa = NULL; int port = 0; sap = (struct sockaddr*)addr_buf; ia = NET_SockaddrToInetAddress(env, sap, &port); if (ia != NULL) isa = (*env)->NewObject(env, isaCls, isaCtrID, ia, port); if (isa == NULL) break; (*env)->SetObjectArrayElement(env, isaa, i, isa); if (sap->sa_family == AF_INET) addr_buf = ((struct sockaddr_in*)addr_buf) + 1; else addr_buf = ((struct sockaddr_in6*)addr_buf) + 1; } nio_sctp_freepaddrs(paddr); return isaa; } /* * Class: sun_nio_ch_sctp_SctpNet * Method: getRemoteAddresses0 * Signature: (II)[Ljava/net/SocketAddress; */ JNIEXPORT jobjectArray JNICALL Java_sun_nio_ch_sctp_SctpNet_getRemoteAddresses0 (JNIEnv *env, jclass klass, jint fd, jint assocId) { return getRemoteAddresses(env, fd, assocId); } /* Map the Java level option to the native level */ int mapSocketOption (jint cmd, int *level, int *optname) { static struct { jint cmd; int level; int optname; } const opts[] = { { sun_nio_ch_sctp_SctpStdSocketOption_SCTP_DISABLE_FRAGMENTS, IPPROTO_SCTP, SCTP_DISABLE_FRAGMENTS }, { sun_nio_ch_sctp_SctpStdSocketOption_SCTP_EXPLICIT_COMPLETE, IPPROTO_SCTP, SCTP_EXPLICIT_EOR }, { sun_nio_ch_sctp_SctpStdSocketOption_SCTP_FRAGMENT_INTERLEAVE, IPPROTO_SCTP, SCTP_FRAGMENT_INTERLEAVE }, { sun_nio_ch_sctp_SctpStdSocketOption_SCTP_NODELAY, IPPROTO_SCTP, SCTP_NODELAY }, { sun_nio_ch_sctp_SctpStdSocketOption_SO_SNDBUF, SOL_SOCKET, SO_SNDBUF }, { sun_nio_ch_sctp_SctpStdSocketOption_SO_RCVBUF, SOL_SOCKET, SO_RCVBUF }, { sun_nio_ch_sctp_SctpStdSocketOption_SO_LINGER, SOL_SOCKET, SO_LINGER } }; int i; for (i=0; i<(int)(sizeof(opts) / sizeof(opts[0])); i++) { if (cmd == opts[i].cmd) { *level = opts[i].level; *optname = opts[i].optname; return 0; } } /* not found */ return -1; } /* * Class: sun_nio_ch_sctp_SctpNet * Method: setIntOption0 * Signature: (III)V */ JNIEXPORT void JNICALL Java_sun_nio_ch_sctp_SctpNet_setIntOption0 (JNIEnv *env, jclass klass, jint fd, jint opt, int arg) { int klevel, kopt; int result; struct linger linger; void *parg; int arglen; if (mapSocketOption(opt, &klevel, &kopt) < 0) { JNU_ThrowByNameWithLastError(env, JNU_JAVANETPKG "SocketException", "Unsupported socket option"); return; } if (opt == sun_nio_ch_sctp_SctpStdSocketOption_SO_LINGER) { parg = (void *)&linger; arglen = sizeof(linger); if (arg >= 0) { linger.l_onoff = 1; linger.l_linger = arg; } else { linger.l_onoff = 0; linger.l_linger = 0; } } else { parg = (void *)&arg; arglen = sizeof(arg); } if (NET_SetSockOpt(fd, klevel, kopt, parg, arglen) < 0) { JNU_ThrowByNameWithLastError(env, JNU_JAVANETPKG "SocketException", "sun_nio_ch_sctp_SctpNet.setIntOption0"); } }