jdk/src/windows/native/sun/nio/ch/Net.c
changeset 2 90ce3da70b43
child 1152 29d6145d1097
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/jdk/src/windows/native/sun/nio/ch/Net.c	Sat Dec 01 00:00:00 2007 +0000
@@ -0,0 +1,226 @@
+/*
+ * Copyright 2001-2007 Sun Microsystems, Inc.  All Rights Reserved.
+ * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
+ *
+ * This code is free software; you can redistribute it and/or modify it
+ * under the terms of the GNU General Public License version 2 only, as
+ * published by the Free Software Foundation.  Sun designates this
+ * particular file as subject to the "Classpath" exception as provided
+ * by Sun in the LICENSE file that accompanied this code.
+ *
+ * This code is distributed in the hope that it will be useful, but WITHOUT
+ * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
+ * FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License
+ * version 2 for more details (a copy is included in the LICENSE file that
+ * accompanied this code).
+ *
+ * You should have received a copy of the GNU General Public License version
+ * 2 along with this work; if not, write to the Free Software Foundation,
+ * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
+ *
+ * Please contact Sun Microsystems, Inc., 4150 Network Circle, Santa Clara,
+ * CA 95054 USA or visit www.sun.com if you need additional information or
+ * have any questions.
+ */
+
+#include <windows.h>
+#include <winsock2.h>
+#include "jni.h"
+#include "jni_util.h"
+#include "jvm.h"
+#include "jlong.h"
+
+#include "nio.h"
+#include "nio_util.h"
+#include "net_util.h"
+
+#include "sun_nio_ch_Net.h"
+
+
+static jfieldID ia_addrID;
+static jclass ia_class;
+static jmethodID ia_ctorID;
+static jfieldID ia_famID;
+
+/**************************************************************
+ * static method to store field IDs in initializers
+ */
+
+JNIEXPORT void JNICALL
+Java_sun_nio_ch_Net_initIDs(JNIEnv *env, jclass clazz)
+{
+    clazz = (*env)->FindClass(env, "java/net/Inet4Address");
+    ia_class = (*env)->NewGlobalRef(env, clazz);
+    ia_addrID = (*env)->GetFieldID(env, clazz, "address", "I");
+    ia_famID = (*env)->GetFieldID(env, clazz, "family", "I");
+    ia_ctorID = (*env)->GetMethodID(env, clazz, "<init>", "()V");
+}
+
+
+JNIEXPORT jint JNICALL
+Java_sun_nio_ch_Net_socket0(JNIEnv *env, jclass cl, jboolean stream,
+                            jboolean reuse)
+{
+    SOCKET s;
+
+    s = socket(AF_INET, (stream ? SOCK_STREAM : SOCK_DGRAM), 0);
+    if (s != INVALID_SOCKET) {
+        SetHandleInformation((HANDLE)s, HANDLE_FLAG_INHERIT, 0);
+    } else {
+        NET_ThrowNew(env, WSAGetLastError(), "socket");
+    }
+    return (jint)s;
+}
+
+JNIEXPORT void JNICALL
+Java_sun_nio_ch_Net_bind(JNIEnv *env, jclass clazz,
+                         jobject fdo, jobject iao, jint port)
+{
+    SOCKETADDRESS sa;
+    int rv;
+    int sa_len = sizeof(sa);
+
+   if (NET_InetAddressToSockaddr(env, iao, port, (struct sockaddr *)&sa, &sa_len, JNI_FALSE) != 0) {
+      return;
+    }
+
+    rv = NET_Bind(fdval(env, fdo), (struct sockaddr *)&sa, sa_len);
+    if (rv == SOCKET_ERROR)
+        NET_ThrowNew(env, WSAGetLastError(), "bind");
+}
+
+JNIEXPORT jint JNICALL
+Java_sun_nio_ch_Net_connect(JNIEnv *env, jclass clazz, jobject fdo, jobject iao,
+                            jint port, jint trafficClass)
+{
+    SOCKETADDRESS sa;
+    int rv;
+    int sa_len = sizeof(sa);
+
+   if (NET_InetAddressToSockaddr(env, iao, port, (struct sockaddr *)&sa, &sa_len, JNI_FALSE) != 0) {
+      return IOS_THROWN;
+    }
+
+    rv = connect(fdval(env, fdo), (struct sockaddr *)&sa, sa_len);
+    if (rv != 0) {
+        int err = WSAGetLastError();
+        if (err == WSAEINPROGRESS || err == WSAEWOULDBLOCK) {
+            return IOS_UNAVAILABLE;
+        }
+        NET_ThrowNew(env, err, "connect");
+        return IOS_THROWN;
+    }
+    return 1;
+}
+
+JNIEXPORT jint JNICALL
+Java_sun_nio_ch_Net_localPort(JNIEnv *env, jclass clazz, jobject fdo)
+{
+    struct sockaddr_in sa;
+    int sa_len = sizeof(sa);
+
+    if (getsockname(fdval(env, fdo), (struct sockaddr *)&sa, &sa_len) < 0) {
+        int error = WSAGetLastError();
+        if (error == WSAEINVAL) {
+            return 0;
+        }
+        NET_ThrowNew(env, error, "getsockname");
+        return IOS_THROWN;
+    }
+    return (jint)ntohs(sa.sin_port);
+}
+
+JNIEXPORT jobject JNICALL
+Java_sun_nio_ch_Net_localInetAddress(JNIEnv *env, jclass clazz, jobject fdo)
+{
+    struct sockaddr_in sa;
+    int sa_len = sizeof(sa);
+    jobject iao;
+
+    if (getsockname(fdval(env, fdo), (struct sockaddr *)&sa, &sa_len) < 0) {
+        NET_ThrowNew(env, WSAGetLastError(), "getsockname");
+        return NULL;
+    }
+
+    iao = (*env)->NewObject(env, ia_class, ia_ctorID);
+    if (iao == NULL) {
+        JNU_ThrowOutOfMemoryError(env, "heap allocation failure");
+    } else {
+        (*env)->SetIntField(env, iao, ia_addrID, ntohl(sa.sin_addr.s_addr));
+    }
+
+    return iao;
+}
+
+
+JNIEXPORT jint JNICALL
+Java_sun_nio_ch_Net_getIntOption0(JNIEnv *env, jclass clazz,
+                                  jobject fdo, jint opt)
+{
+    int klevel, kopt;
+    int result;
+    struct linger linger;
+    char *arg;
+    int arglen;
+
+    if (NET_MapSocketOption(opt, &klevel, &kopt) < 0) {
+        JNU_ThrowByNameWithLastError(env,
+                                     JNU_JAVANETPKG "SocketException",
+                                     "Unsupported socket option");
+        return IOS_THROWN;
+    }
+
+    if (opt == java_net_SocketOptions_SO_LINGER) {
+        arg = (char *)&linger;
+        arglen = sizeof(linger);
+    } else {
+        arg = (char *)&result;
+        arglen = sizeof(result);
+    }
+
+    if (NET_GetSockOpt(fdval(env, fdo), klevel, kopt, arg, &arglen) < 0) {
+        NET_ThrowNew(env, WSAGetLastError(), "sun.nio.ch.Net.setIntOption");
+        return IOS_THROWN;
+    }
+
+    if (opt == java_net_SocketOptions_SO_LINGER)
+        return linger.l_onoff ? linger.l_linger : -1;
+    else
+        return result;
+}
+
+JNIEXPORT void JNICALL
+Java_sun_nio_ch_Net_setIntOption0(JNIEnv *env, jclass clazz,
+                                  jobject fdo, jint opt, jint arg)
+{
+    int klevel, kopt;
+    struct linger linger;
+    char *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 = (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 (NET_SetSockOpt(fdval(env, fdo), klevel, kopt, parg, arglen) < 0) {
+        NET_ThrowNew(env, WSAGetLastError(), "sun.nio.ch.Net.setIntOption");
+    }
+}