230 lines
8.9 KiB
Java
230 lines
8.9 KiB
Java
/*
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* Copyright 2016 The Netty Project
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*
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* The Netty Project licenses this file to you under the Apache License,
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* version 2.0 (the "License"); you may not use this file except in compliance
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* with the License. You may obtain a copy of the License at:
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*
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* http://www.apache.org/licenses/LICENSE-2.0
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*
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* Unless required by applicable law or agreed to in writing, software
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* distributed under the License is distributed on an "AS IS" BASIS, WITHOUT
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* WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the
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* License for the specific language governing permissions and limitations
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* under the License.
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*/
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package io.netty.channel.epoll;
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import io.netty.channel.DefaultFileRegion;
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import io.netty.channel.unix.Errors.NativeIoException;
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import io.netty.channel.unix.NativeInetAddress;
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import io.netty.channel.unix.PeerCredentials;
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import io.netty.channel.unix.Socket;
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import io.netty.util.internal.ThrowableUtil;
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import java.io.IOException;
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import java.net.InetAddress;
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import java.nio.channels.ClosedChannelException;
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import static io.netty.channel.unix.Errors.ERRNO_EPIPE_NEGATIVE;
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import static io.netty.channel.unix.Errors.ioResult;
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import static io.netty.channel.unix.Errors.newConnectionResetException;
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/**
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* A socket which provides access Linux native methods.
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*/
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final class LinuxSocket extends Socket {
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private static final long MAX_UINT32_T = 0xFFFFFFFFL;
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private static final NativeIoException SENDFILE_CONNECTION_RESET_EXCEPTION =
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newConnectionResetException("syscall:sendfile(...)", ERRNO_EPIPE_NEGATIVE);
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private static final ClosedChannelException SENDFILE_CLOSED_CHANNEL_EXCEPTION = ThrowableUtil.unknownStackTrace(
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new ClosedChannelException(), Native.class, "sendfile(...)");
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LinuxSocket(int fd) {
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super(fd);
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}
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void setTcpDeferAccept(int deferAccept) throws IOException {
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setTcpDeferAccept(intValue(), deferAccept);
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}
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void setTcpQuickAck(boolean quickAck) throws IOException {
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setTcpQuickAck(intValue(), quickAck ? 1 : 0);
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}
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void setTcpCork(boolean tcpCork) throws IOException {
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setTcpCork(intValue(), tcpCork ? 1 : 0);
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}
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void setSoBusyPoll(int loopMicros) throws IOException {
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setSoBusyPoll(intValue(), loopMicros);
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}
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void setTcpNotSentLowAt(long tcpNotSentLowAt) throws IOException {
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if (tcpNotSentLowAt < 0 || tcpNotSentLowAt > MAX_UINT32_T) {
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throw new IllegalArgumentException("tcpNotSentLowAt must be a uint32_t");
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}
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setTcpNotSentLowAt(intValue(), (int) tcpNotSentLowAt);
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}
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void setTcpFastOpen(int tcpFastopenBacklog) throws IOException {
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setTcpFastOpen(intValue(), tcpFastopenBacklog);
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}
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void setTcpFastOpenConnect(boolean tcpFastOpenConnect) throws IOException {
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setTcpFastOpenConnect(intValue(), tcpFastOpenConnect ? 1 : 0);
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}
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boolean isTcpFastOpenConnect() throws IOException {
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return isTcpFastOpenConnect(intValue()) != 0;
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}
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void setTcpKeepIdle(int seconds) throws IOException {
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setTcpKeepIdle(intValue(), seconds);
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}
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void setTcpKeepIntvl(int seconds) throws IOException {
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setTcpKeepIntvl(intValue(), seconds);
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}
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void setTcpKeepCnt(int probes) throws IOException {
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setTcpKeepCnt(intValue(), probes);
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}
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void setTcpUserTimeout(int milliseconds) throws IOException {
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setTcpUserTimeout(intValue(), milliseconds);
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}
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void setIpFreeBind(boolean enabled) throws IOException {
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setIpFreeBind(intValue(), enabled ? 1 : 0);
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}
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void setIpTransparent(boolean enabled) throws IOException {
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setIpTransparent(intValue(), enabled ? 1 : 0);
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}
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void setIpRecvOrigDestAddr(boolean enabled) throws IOException {
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setIpRecvOrigDestAddr(intValue(), enabled ? 1 : 0);
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}
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void getTcpInfo(EpollTcpInfo info) throws IOException {
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getTcpInfo(intValue(), info.info);
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}
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void setTcpMd5Sig(InetAddress address, byte[] key) throws IOException {
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final NativeInetAddress a = NativeInetAddress.newInstance(address);
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setTcpMd5Sig(intValue(), a.address(), a.scopeId(), key);
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}
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boolean isTcpCork() throws IOException {
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return isTcpCork(intValue()) != 0;
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}
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int getSoBusyPoll() throws IOException {
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return getSoBusyPoll(intValue());
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}
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int getTcpDeferAccept() throws IOException {
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return getTcpDeferAccept(intValue());
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}
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boolean isTcpQuickAck() throws IOException {
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return isTcpQuickAck(intValue()) != 0;
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}
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long getTcpNotSentLowAt() throws IOException {
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return getTcpNotSentLowAt(intValue()) & MAX_UINT32_T;
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}
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int getTcpKeepIdle() throws IOException {
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return getTcpKeepIdle(intValue());
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}
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int getTcpKeepIntvl() throws IOException {
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return getTcpKeepIntvl(intValue());
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}
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int getTcpKeepCnt() throws IOException {
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return getTcpKeepCnt(intValue());
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}
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int getTcpUserTimeout() throws IOException {
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return getTcpUserTimeout(intValue());
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}
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boolean isIpFreeBind() throws IOException {
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return isIpFreeBind(intValue()) != 0;
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}
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boolean isIpTransparent() throws IOException {
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return isIpTransparent(intValue()) != 0;
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}
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boolean isIpRecvOrigDestAddr() throws IOException {
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return isIpRecvOrigDestAddr(intValue()) != 0;
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}
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PeerCredentials getPeerCredentials() throws IOException {
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return getPeerCredentials(intValue());
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}
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long sendFile(DefaultFileRegion src, long baseOffset, long offset, long length) throws IOException {
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// Open the file-region as it may be created via the lazy constructor. This is needed as we directly access
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// the FileChannel field via JNI.
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src.open();
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long res = sendFile(intValue(), src, baseOffset, offset, length);
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if (res >= 0) {
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return res;
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}
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return ioResult("sendfile", (int) res, SENDFILE_CONNECTION_RESET_EXCEPTION, SENDFILE_CLOSED_CHANNEL_EXCEPTION);
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}
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public static LinuxSocket newSocketStream() {
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return new LinuxSocket(newSocketStream0());
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}
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public static LinuxSocket newSocketDgram() {
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return new LinuxSocket(newSocketDgram0());
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}
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public static LinuxSocket newSocketDomain() {
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return new LinuxSocket(newSocketDomain0());
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}
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private static native long sendFile(int socketFd, DefaultFileRegion src, long baseOffset,
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long offset, long length) throws IOException;
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private static native int getTcpDeferAccept(int fd) throws IOException;
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private static native int isTcpQuickAck(int fd) throws IOException;
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private static native int isTcpCork(int fd) throws IOException;
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private static native int getSoBusyPoll(int fd) throws IOException;
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private static native int getTcpNotSentLowAt(int fd) throws IOException;
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private static native int getTcpKeepIdle(int fd) throws IOException;
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private static native int getTcpKeepIntvl(int fd) throws IOException;
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private static native int getTcpKeepCnt(int fd) throws IOException;
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private static native int getTcpUserTimeout(int fd) throws IOException;
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private static native int isIpFreeBind(int fd) throws IOException;
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private static native int isIpTransparent(int fd) throws IOException;
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private static native int isIpRecvOrigDestAddr(int fd) throws IOException;
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private static native void getTcpInfo(int fd, long[] array) throws IOException;
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private static native PeerCredentials getPeerCredentials(int fd) throws IOException;
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private static native int isTcpFastOpenConnect(int fd) throws IOException;
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private static native void setTcpDeferAccept(int fd, int deferAccept) throws IOException;
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private static native void setTcpQuickAck(int fd, int quickAck) throws IOException;
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private static native void setTcpCork(int fd, int tcpCork) throws IOException;
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private static native void setSoBusyPoll(int fd, int loopMicros) throws IOException;
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private static native void setTcpNotSentLowAt(int fd, int tcpNotSentLowAt) throws IOException;
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private static native void setTcpFastOpen(int fd, int tcpFastopenBacklog) throws IOException;
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private static native void setTcpFastOpenConnect(int fd, int tcpFastOpenConnect) throws IOException;
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private static native void setTcpKeepIdle(int fd, int seconds) throws IOException;
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private static native void setTcpKeepIntvl(int fd, int seconds) throws IOException;
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private static native void setTcpKeepCnt(int fd, int probes) throws IOException;
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private static native void setTcpUserTimeout(int fd, int milliseconds)throws IOException;
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private static native void setIpFreeBind(int fd, int freeBind) throws IOException;
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private static native void setIpTransparent(int fd, int transparent) throws IOException;
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private static native void setIpRecvOrigDestAddr(int fd, int transparent) throws IOException;
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private static native void setTcpMd5Sig(int fd, byte[] address, int scopeId, byte[] key) throws IOException;
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}
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