jdk/src/java.base/unix/native/libnio/ch/InheritedChannel.c
changeset 25859 3317bb8137f4
parent 5506 202f599c92aa
child 26207 a02f6165d5be
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/jdk/src/java.base/unix/native/libnio/ch/InheritedChannel.c	Sun Aug 17 15:54:13 2014 +0100
@@ -0,0 +1,161 @@
+/*
+ * Copyright (c) 2003, 2008, Oracle and/or its affiliates. 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.  Oracle designates this
+ * particular file as subject to the "Classpath" exception as provided
+ * by Oracle 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 Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
+ * or visit www.oracle.com if you need additional information or have any
+ * questions.
+ */
+
+#include <stdlib.h>
+#include <sys/types.h>
+#include <sys/socket.h>
+#include <unistd.h>
+#include <fcntl.h>
+
+#include "jni.h"
+
+#include "jni.h"
+#include "jni_util.h"
+#include "net_util.h"
+
+#include "sun_nio_ch_InheritedChannel.h"
+
+static int matchFamily(struct sockaddr *sa) {
+    int family = sa->sa_family;
+#ifdef AF_INET6
+    if (ipv6_available()) {
+        return (family == AF_INET6);
+    }
+#endif
+    return (family == AF_INET);
+}
+
+JNIEXPORT jobject JNICALL
+Java_sun_nio_ch_InheritedChannel_peerAddress0(JNIEnv *env, jclass cla, jint fd)
+{
+    struct sockaddr *sa;
+    socklen_t sa_len;
+    jobject remote_ia = NULL;
+    jint remote_port;
+
+    NET_AllocSockaddr(&sa, (int *)&sa_len);
+    if (getpeername(fd, sa, &sa_len) == 0) {
+        if (matchFamily(sa)) {
+            remote_ia = NET_SockaddrToInetAddress(env, sa, (int *)&remote_port);
+        }
+    }
+    free((void *)sa);
+
+    return remote_ia;
+}
+
+
+JNIEXPORT jint JNICALL
+Java_sun_nio_ch_InheritedChannel_peerPort0(JNIEnv *env, jclass cla, jint fd)
+{
+    struct sockaddr *sa;
+    socklen_t sa_len;
+    jint remote_port = -1;
+
+    NET_AllocSockaddr(&sa, (int *)&sa_len);
+    if (getpeername(fd, sa, &sa_len) == 0) {
+        if (matchFamily(sa)) {
+            NET_SockaddrToInetAddress(env, sa, (int *)&remote_port);
+        }
+    }
+    free((void *)sa);
+
+    return remote_port;
+}
+
+JNIEXPORT jint JNICALL
+Java_sun_nio_ch_InheritedChannel_soType0(JNIEnv *env, jclass cla, jint fd)
+{
+    int sotype;
+    socklen_t arglen=sizeof(sotype);
+    if (getsockopt(fd, SOL_SOCKET, SO_TYPE, (void *)&sotype, &arglen) == 0) {
+        if (sotype == SOCK_STREAM)
+            return sun_nio_ch_InheritedChannel_SOCK_STREAM;
+        if (sotype == SOCK_DGRAM)
+            return sun_nio_ch_InheritedChannel_SOCK_DGRAM;
+    }
+    return sun_nio_ch_InheritedChannel_UNKNOWN;
+}
+
+JNIEXPORT jint JNICALL
+Java_sun_nio_ch_InheritedChannel_dup(JNIEnv *env, jclass cla, jint fd)
+{
+   int newfd = dup(fd);
+   if (newfd < 0) {
+        JNU_ThrowIOExceptionWithLastError(env, "dup failed");
+   }
+   return (jint)newfd;
+}
+
+JNIEXPORT void JNICALL
+Java_sun_nio_ch_InheritedChannel_dup2(JNIEnv *env, jclass cla, jint fd, jint fd2)
+{
+   if (dup2(fd, fd2) < 0) {
+        JNU_ThrowIOExceptionWithLastError(env, "dup2 failed");
+   }
+}
+
+JNIEXPORT jint JNICALL
+Java_sun_nio_ch_InheritedChannel_open0(JNIEnv *env, jclass cla, jstring path, jint oflag)
+{
+    const char* str;
+    int oflag_actual;
+
+    /* convert to OS specific value */
+    switch (oflag) {
+        case sun_nio_ch_InheritedChannel_O_RDWR :
+            oflag_actual = O_RDWR;
+            break;
+        case sun_nio_ch_InheritedChannel_O_RDONLY :
+            oflag_actual = O_RDONLY;
+            break;
+        case sun_nio_ch_InheritedChannel_O_WRONLY :
+            oflag_actual = O_WRONLY;
+            break;
+        default :
+            JNU_ThrowInternalError(env, "Unrecognized file mode");
+            return -1;
+    }
+
+    str = JNU_GetStringPlatformChars(env, path, NULL);
+    if (str == NULL) {
+        return (jint)-1;
+    } else {
+        int fd = open(str, oflag_actual);
+        if (fd < 0) {
+            JNU_ThrowIOExceptionWithLastError(env, str);
+        }
+        JNU_ReleaseStringPlatformChars(env, path, str);
+        return (jint)fd;
+    }
+}
+
+JNIEXPORT void JNICALL
+Java_sun_nio_ch_InheritedChannel_close0(JNIEnv *env, jclass cla, jint fd)
+{
+    if (close(fd) < 0) {
+        JNU_ThrowIOExceptionWithLastError(env, "close failed");
+    }
+}