--- a/jdk/src/java.base/unix/native/libnet/ExtendedOptionsImpl.c Wed Apr 27 12:06:51 2016 -0700
+++ /dev/null Thu Jan 01 00:00:00 1970 +0000
@@ -1,344 +0,0 @@
-/*
- * Copyright (c) 2014, 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 <jni.h>
-#include <string.h>
-
-#include "net_util.h"
-#include "jdk_net_SocketFlow.h"
-
-static jclass sf_status_class; /* Status enum type */
-
-static jfieldID sf_status;
-static jfieldID sf_priority;
-static jfieldID sf_bandwidth;
-
-static jfieldID sf_fd_fdID; /* FileDescriptor.fd */
-
-/* References to the literal enum values */
-
-static jobject sfs_NOSTATUS;
-static jobject sfs_OK;
-static jobject sfs_NOPERMISSION;
-static jobject sfs_NOTCONNECTED;
-static jobject sfs_NOTSUPPORTED;
-static jobject sfs_ALREADYCREATED;
-static jobject sfs_INPROGRESS;
-static jobject sfs_OTHER;
-
-static jobject getEnumField(JNIEnv *env, char *name);
-static void setStatus(JNIEnv *env, jobject obj, int errval);
-
-/* OS specific code is implemented in these three functions */
-
-static jboolean flowSupported0() ;
-
-/*
- * Class: sun_net_ExtendedOptionsImpl
- * Method: init
- * Signature: ()V
- */
-JNIEXPORT void JNICALL Java_sun_net_ExtendedOptionsImpl_init
- (JNIEnv *env, jclass UNUSED)
-{
- static int initialized = 0;
- jclass c;
-
- /* Global class references */
-
- if (initialized) {
- return;
- }
-
- c = (*env)->FindClass(env, "jdk/net/SocketFlow$Status");
- CHECK_NULL(c);
- sf_status_class = (*env)->NewGlobalRef(env, c);
- CHECK_NULL(sf_status_class);
-
- /* int "fd" field of java.io.FileDescriptor */
-
- c = (*env)->FindClass(env, "java/io/FileDescriptor");
- CHECK_NULL(c);
- sf_fd_fdID = (*env)->GetFieldID(env, c, "fd", "I");
- CHECK_NULL(sf_fd_fdID);
-
-
- /* SocketFlow fields */
-
- c = (*env)->FindClass(env, "jdk/net/SocketFlow");
- CHECK_NULL(c);
-
- /* status */
-
- sf_status = (*env)->GetFieldID(env, c, "status",
- "Ljdk/net/SocketFlow$Status;");
- CHECK_NULL(sf_status);
-
- /* priority */
-
- sf_priority = (*env)->GetFieldID(env, c, "priority", "I");
- CHECK_NULL(sf_priority);
-
- /* bandwidth */
-
- sf_bandwidth = (*env)->GetFieldID(env, c, "bandwidth", "J");
- CHECK_NULL(sf_bandwidth);
-
- /* Initialize the static enum values */
-
- sfs_NOSTATUS = getEnumField(env, "NO_STATUS");
- CHECK_NULL(sfs_NOSTATUS);
- sfs_OK = getEnumField(env, "OK");
- CHECK_NULL(sfs_OK);
- sfs_NOPERMISSION = getEnumField(env, "NO_PERMISSION");
- CHECK_NULL(sfs_NOPERMISSION);
- sfs_NOTCONNECTED = getEnumField(env, "NOT_CONNECTED");
- CHECK_NULL(sfs_NOTCONNECTED);
- sfs_NOTSUPPORTED = getEnumField(env, "NOT_SUPPORTED");
- CHECK_NULL(sfs_NOTSUPPORTED);
- sfs_ALREADYCREATED = getEnumField(env, "ALREADY_CREATED");
- CHECK_NULL(sfs_ALREADYCREATED);
- sfs_INPROGRESS = getEnumField(env, "IN_PROGRESS");
- CHECK_NULL(sfs_INPROGRESS);
- sfs_OTHER = getEnumField(env, "OTHER");
- CHECK_NULL(sfs_OTHER);
- initialized = JNI_TRUE;
-}
-
-static jobject getEnumField(JNIEnv *env, char *name)
-{
- jobject f;
- jfieldID fID = (*env)->GetStaticFieldID(env, sf_status_class, name,
- "Ljdk/net/SocketFlow$Status;");
- CHECK_NULL_RETURN(fID, NULL);
-
- f = (*env)->GetStaticObjectField(env, sf_status_class, fID);
- CHECK_NULL_RETURN(f, NULL);
- f = (*env)->NewGlobalRef(env, f);
- CHECK_NULL_RETURN(f, NULL);
- return f;
-}
-
-/*
- * Retrieve the int file-descriptor from a public socket type object.
- * Gets impl, then the FileDescriptor from the impl, and then the fd
- * from that.
- */
-static int getFD(JNIEnv *env, jobject fileDesc) {
- return (*env)->GetIntField(env, fileDesc, sf_fd_fdID);
-}
-
-/**
- * Sets the status field of a SocketFlow to one of the
- * canned enum values
- */
-static void setStatus (JNIEnv *env, jobject obj, int errval)
-{
- switch (errval) {
- case 0: /* OK */
- (*env)->SetObjectField(env, obj, sf_status, sfs_OK);
- break;
- case EPERM:
- (*env)->SetObjectField(env, obj, sf_status, sfs_NOPERMISSION);
- break;
- case ENOTCONN:
- (*env)->SetObjectField(env, obj, sf_status, sfs_NOTCONNECTED);
- break;
- case EOPNOTSUPP:
- (*env)->SetObjectField(env, obj, sf_status, sfs_NOTSUPPORTED);
- break;
- case EALREADY:
- (*env)->SetObjectField(env, obj, sf_status, sfs_ALREADYCREATED);
- break;
- case EINPROGRESS:
- (*env)->SetObjectField(env, obj, sf_status, sfs_INPROGRESS);
- break;
- default:
- (*env)->SetObjectField(env, obj, sf_status, sfs_OTHER);
- break;
- }
-}
-
-#ifdef __solaris__
-
-/*
- * Class: sun_net_ExtendedOptionsImpl
- * Method: setFlowOption
- * Signature: (Ljava/io/FileDescriptor;Ljdk/net/SocketFlow;)V
- */
-JNIEXPORT void JNICALL Java_sun_net_ExtendedOptionsImpl_setFlowOption
- (JNIEnv *env, jclass UNUSED, jobject fileDesc, jobject flow)
-{
- int fd = getFD(env, fileDesc);
-
- if (fd < 0) {
- NET_ERROR(env, JNU_JAVANETPKG "SocketException", "socket closed");
- return;
- } else {
- sock_flow_props_t props;
- jlong bandwidth;
- int rv;
-
- jint priority = (*env)->GetIntField(env, flow, sf_priority);
- memset(&props, 0, sizeof(props));
- props.sfp_version = SOCK_FLOW_PROP_VERSION1;
-
- if (priority != jdk_net_SocketFlow_UNSET) {
- props.sfp_mask |= SFP_PRIORITY;
- props.sfp_priority = priority;
- }
- bandwidth = (*env)->GetLongField(env, flow, sf_bandwidth);
- if (bandwidth > -1) {
- props.sfp_mask |= SFP_MAXBW;
- props.sfp_maxbw = (uint64_t) bandwidth;
- }
- rv = setsockopt(fd, SOL_SOCKET, SO_FLOW_SLA, &props, sizeof(props));
- if (rv < 0) {
- if (errno == ENOPROTOOPT) {
- JNU_ThrowByName(env, "java/lang/UnsupportedOperationException",
- "unsupported socket option");
- } else if (errno == EACCES || errno == EPERM) {
- NET_ERROR(env, JNU_JAVANETPKG "SocketException",
- "Permission denied");
- } else {
- NET_ERROR(env, JNU_JAVANETPKG "SocketException",
- "set option SO_FLOW_SLA failed");
- }
- return;
- }
- setStatus(env, flow, props.sfp_status);
- }
-}
-
-/*
- * Class: sun_net_ExtendedOptionsImpl
- * Method: getFlowOption
- * Signature: (Ljava/io/FileDescriptor;Ljdk/net/SocketFlow;)V
- */
-JNIEXPORT void JNICALL Java_sun_net_ExtendedOptionsImpl_getFlowOption
- (JNIEnv *env, jclass UNUSED, jobject fileDesc, jobject flow)
-{
- int fd = getFD(env, fileDesc);
-
- if (fd < 0) {
- NET_ERROR(env, JNU_JAVANETPKG "SocketException", "socket closed");
- return;
- } else {
- sock_flow_props_t props;
- int status;
- socklen_t sz = sizeof(props);
-
- int rv = getsockopt(fd, SOL_SOCKET, SO_FLOW_SLA, &props, &sz);
- if (rv < 0) {
- if (errno == ENOPROTOOPT) {
- JNU_ThrowByName(env, "java/lang/UnsupportedOperationException",
- "unsupported socket option");
- } else if (errno == EACCES || errno == EPERM) {
- NET_ERROR(env, JNU_JAVANETPKG "SocketException",
- "Permission denied");
- } else {
- NET_ERROR(env, JNU_JAVANETPKG "SocketException",
- "set option SO_FLOW_SLA failed");
- }
- return;
- }
- /* first check status to see if flow exists */
- status = props.sfp_status;
- setStatus(env, flow, status);
- if (status == 0) { /* OK */
- /* can set the other fields now */
- if (props.sfp_mask & SFP_PRIORITY) {
- (*env)->SetIntField(env, flow, sf_priority, props.sfp_priority);
- }
- if (props.sfp_mask & SFP_MAXBW) {
- (*env)->SetLongField(env, flow, sf_bandwidth,
- (jlong)props.sfp_maxbw);
- }
- }
- }
-}
-
-static jboolean flowsupported;
-static jboolean flowsupported_set = JNI_FALSE;
-
-static jboolean flowSupported0()
-{
- /* Do a simple dummy call, and try to figure out from that */
- sock_flow_props_t props;
- int rv, s;
- if (flowsupported_set) {
- return flowsupported;
- }
- s = socket(PF_INET, SOCK_STREAM, IPPROTO_TCP);
- if (s < 0) {
- flowsupported = JNI_FALSE;
- flowsupported_set = JNI_TRUE;
- return JNI_FALSE;
- }
- memset(&props, 0, sizeof(props));
- props.sfp_version = SOCK_FLOW_PROP_VERSION1;
- props.sfp_mask |= SFP_PRIORITY;
- props.sfp_priority = SFP_PRIO_NORMAL;
- rv = setsockopt(s, SOL_SOCKET, SO_FLOW_SLA, &props, sizeof(props));
- if (rv != 0 && errno == ENOPROTOOPT) {
- rv = JNI_FALSE;
- } else {
- rv = JNI_TRUE;
- }
- close(s);
- flowsupported = rv;
- flowsupported_set = JNI_TRUE;
- return flowsupported;
-}
-
-#else /* __solaris__ */
-
-/* Non Solaris. Functionality is not supported. So, throw UnsupportedOpExc */
-
-JNIEXPORT void JNICALL Java_sun_net_ExtendedOptionsImpl_setFlowOption
- (JNIEnv *env, jclass UNUSED, jobject fileDesc, jobject flow)
-{
- JNU_ThrowByName(env, "java/lang/UnsupportedOperationException",
- "unsupported socket option");
-}
-
-JNIEXPORT void JNICALL Java_sun_net_ExtendedOptionsImpl_getFlowOption
- (JNIEnv *env, jclass UNUSED, jobject fileDesc, jobject flow)
-{
- JNU_ThrowByName(env, "java/lang/UnsupportedOperationException",
- "unsupported socket option");
-}
-
-static jboolean flowSupported0() {
- return JNI_FALSE;
-}
-
-#endif /* __solaris__ */
-
-JNIEXPORT jboolean JNICALL Java_sun_net_ExtendedOptionsImpl_flowSupported
- (JNIEnv *env, jclass UNUSED)
-{
- return flowSupported0();
-}