Java SocketChannel.read方法代碼示例

本文整理匯總了Java中java.nio.channels.SocketChannel.read方法的典型用法代碼示例。如果您正苦於以下問題：Java SocketChannel.read方法的具體用法？Java SocketChannel.read怎麽用？Java SocketChannel.read使用的例子？那麽, 這裏精選的方法代碼示例或許可以為您提供幫助。您也可以進一步了解該方法所在類java.nio.channels.SocketChannel的用法示例。

在下文中一共展示了SocketChannel.read方法的15個代碼示例，這些例子默認根據受歡迎程度排序。您可以為喜歡或者感覺有用的代碼點讚，您的評價將有助於係統推薦出更棒的Java代碼示例。

示例1: call

import java.nio.channels.SocketChannel; //導入方法依賴的package包/類
public ByteBuffer call() throws Exception {
    ServerSocketChannel serverSocketChannel = ServerSocketChannel.open();
    buff = ByteBuffer.allocate(bufferSize);
    serverSocketChannel.socket().bind(new InetSocketAddress(port));
    RandomAccessFile temp = new RandomAccessFile(tempName, "rw");
    MappedByteBuffer b;
    while (!stop.isLocked()) {
        sync=0;
        SocketChannel socketChannel = serverSocketChannel.accept();
        socketChannel.read(buff);
        FileChannel channel = temp.getChannel();
        channel.write(buff);
        if (!pause.isLocked()) {
            b = channel.map(MapMode.READ_WRITE, 0, (long) bufferSize);
            sync = 1;
            if(sync==2){
            b.clear();
            }
        }
        buff.clear();
    }
    temp.close();
    return null;
}

開發者ID:EventHorizon27，項目名稱:dataset-lib，代碼行數:25，代碼來源:StreamThread.java

示例2: run

import java.nio.channels.SocketChannel; //導入方法依賴的package包/類
@Override
public void run() {
    ByteBuffer buffer = ByteBuffer.allocate(Options.getInstance().bufferSize);
    while (running) {
        try {
            selector.select();
            Set selectedKeys = selector.selectedKeys();
            for (Object selectedKey : selectedKeys) {
                SelectionKey key = (SelectionKey) selectedKey;
                SocketChannel channel = (SocketChannel) key.channel();
                channel.read(buffer);


                //TODO
            }
        } catch (IOException e) {
            Lg.e(Error.READER, e);
        }
    }
}

開發者ID:wuyisheng，項目名稱:libRtmp，代碼行數:21，代碼來源:NReader.java

示例3: readData

import java.nio.channels.SocketChannel; //導入方法依賴的package包/類
private void readData() throws Exception {
    buff.clear();
    SocketChannel sc = (SocketChannel) sk.channel();
    int count = -1;
    while ((count = sc.read(buff)) > 0) {
        // TODO - in the future pass this to a "listener" which will do something useful with this buffer
        buff.clear();
    }

    if (count < 0) {
        sc.close();
    } else {
        sk.interestOps(sk.interestOps() | SelectionKey.OP_READ);
    }

    sel.wakeup();

}

開發者ID:fast-data-transfer，項目名稱:fdt，代碼行數:19，代碼來源:JIperfServer.java

示例4: read

import java.nio.channels.SocketChannel; //導入方法依賴的package包/類
private void read(SelectionKey k) {
	try {
		SocketChannel channel = (SocketChannel) k.channel();
		ByteBuffer data = ByteBuffer.allocate(100000);
		data.clear();
		channel.read(data);
		ObjectInputStream ois = new ObjectInputStream(new ByteArrayInputStream(data.array()));
		Object obj = ois.readObject();
		if (!isReady() && !(obj instanceof PublicKey))
			return;
		if (obj instanceof PublicKey) {
			setPublicKey((PublicKey) obj);
			return;
		}
		if (!(obj instanceof MeviusPacket))
			return;
		MeviusPacket packet = (MeviusPacket) obj;
		handler.callEvent(MeviusHandler.getPacketEventInstance(packet,
				handler.getClientHandler().getClient(channel.socket().getInetAddress().getHostAddress()),
				PacketEventType.RECEIVE));
	} catch (IOException | ClassNotFoundException e) {
		e.printStackTrace();
		if (e.getClass().equals(StreamCorruptedException.class))
			try {
				disconnect();
			} catch (IOException e1) {
				// TODO Auto-generated catch block
				e1.printStackTrace();
			}
	}
}

開發者ID:biancso，項目名稱:Mevius-IO，代碼行數:32，代碼來源:MeviusClient.java

示例5: read

import java.nio.channels.SocketChannel; //導入方法依賴的package包/類
private void read(SelectionKey key) throws IOException {
    SocketChannel channel = (SocketChannel) key.channel();
    ByteBuffer buffer = ByteBuffer.allocate(4096);
    buffer.order(ByteOrder.LITTLE_ENDIAN);

    int bytesRead;
    try {
        bytesRead = channel.read(buffer);
    } catch (IOException exception) {
        key.cancel();
        channel.close();
        if (this.rconSessions.contains(channel)) {
            this.rconSessions.remove(channel);
        }
        if (this.sendQueues.containsKey(channel)) {
            this.sendQueues.remove(channel);
        }
        return;
    }

    if (bytesRead == -1) {
        key.cancel();
        channel.close();
        if (this.rconSessions.contains(channel)) {
            this.rconSessions.remove(channel);
        }
        if (this.sendQueues.containsKey(channel)) {
            this.sendQueues.remove(channel);
        }
        return;
    }

    buffer.flip();
    this.handle(channel, new RCONPacket(buffer));
}

開發者ID:Rsplwe，項目名稱:Nukkit-Java9，代碼行數:36，代碼來源:RCONServer.java

示例6: transferData

import java.nio.channels.SocketChannel; //導入方法依賴的package包/類
public void transferData(SelectionKey key) {
    SocketChannel activeSocket = (SocketChannel) key.channel();
    SocketChannel passiveSocket = bridge.get(activeSocket);
    try {
        // throws when closed
        activeSocket.read(buffer);

        byte[] bytes = new byte[buffer.position()];
        if (buffer.position() == 0) {
            // end of stream
            doRecycle(activeSocket, passiveSocket, key);
            return;
        } else {
            System.arraycopy(buffer.array(), 0, bytes, 0, bytes.length);
        }

        buffer.flip();
        if (activeSocket.socket().getLocalSocketAddress() == srcAddr) {
            passiveSocket.write(buffer);
        } else {
            passiveSocket.write(buffer);
        }
        buffer.clear();

    } catch (Exception e) {
        doRecycle(activeSocket, passiveSocket, key);
    } finally {
        buffer.clear();
    }

}

開發者ID:ZhangJiupeng，項目名稱:AgentX，代碼行數:32，代碼來源:SocketTunnel.java

示例7: read

import java.nio.channels.SocketChannel; //導入方法依賴的package包/類
private void read(SocketChannel channel) throws Exception {
    LinkedList<Byte> list = new LinkedList<>();
    ByteBuffer buf = ByteBuffer.allocate(1024);
    int bytesRead = channel.read(buf);
    // 如果讀取到-1，則說明客戶端關閉了該鏈接
    if (bytesRead == -1) {
        log.info("Close channel {}", channel.getRemoteAddress());
        channel.close();
        return;
    }
    // 非阻塞IO可以讀取0個字節，這種數據應該手動丟棄
    if (bytesRead == 0) return;

    // 讀取所有的數據
    while (bytesRead > 0) {
        buf.flip();
        while (buf.hasRemaining()) {
            list.add(buf.get());
        }
        buf.clear();
        bytesRead = channel.read(buf);
    }
    String request = new String(Bytes.toArray(list), Constants.DEFAULT_ENCODING);
    try {
        // 寫回響應
        response(request, channel);
    } catch (Exception e) {
        e.printStackTrace();
        // 返回錯誤信息
        StringWriter stringWriter = new StringWriter();
        PrintWriter printWriter = new PrintWriter(stringWriter);
        e.printStackTrace(printWriter);
        serverError(stringWriter.toString(), channel);
    }
}

開發者ID:RitterHou，項目名稱:Geisha，代碼行數:36，代碼來源:NioServer.java

示例8: handRead

import java.nio.channels.SocketChannel; //導入方法依賴的package包/類
private void handRead(SelectionKey key) throws IOException {
    SocketChannel sc = (SocketChannel) key.channel();
    ByteBuffer byteBuffer = ByteBuffer.allocate(1024); // 1k
    sc.read(byteBuffer);
    byteBuffer.flip();
    byte[] data = new byte[byteBuffer.limit()];
    byteBuffer.get(data);
    key.interestOps(SelectionKey.OP_WRITE);
    System.out.println("server read");
    System.out.println(new String(data, "UTF-8"));

}

開發者ID:justice-code，項目名稱:QiuQiu，代碼行數:13，代碼來源:Server.java

示例9: read

import java.nio.channels.SocketChannel; //導入方法依賴的package包/類
private void read(SelectionKey key) throws Exception {
    // 服務器可讀消息，得到事件發生的socket通道
    SocketChannel channel = (SocketChannel) key.channel();
    // 穿件讀取的緩衝區
    ByteBuffer buffer = ByteBuffer.allocate(10);
    channel.read(buffer);
    byte[] data = buffer.array();
    String msg = new String(data).trim();
    System.out.println("server receive from client: " + msg);
    ByteBuffer outBuffer = ByteBuffer.wrap(msg.getBytes());
    channel.write(outBuffer);
}

開發者ID:laidu，項目名稱:java-learn，代碼行數:13，代碼來源:NioServer.java

示例10: read

import java.nio.channels.SocketChannel; //導入方法依賴的package包/類
private void read(SelectionKey key) throws Exception {
    SocketChannel channel = (SocketChannel) key.channel();
    // 穿件讀取的緩衝區
    ByteBuffer buffer = ByteBuffer.allocate(10);
    channel.read(buffer);
    byte[] data = buffer.array();
    String msg = new String(data).trim();
    System.out.println("client receive msg from server:" + msg);
    ByteBuffer outBuffer = ByteBuffer.wrap(msg.getBytes());
    channel.write(outBuffer);

}

開發者ID:laidu，項目名稱:java-learn，代碼行數:13，代碼來源:NioClient.java

示例11: handRead

import java.nio.channels.SocketChannel; //導入方法依賴的package包/類
private void handRead(SelectionKey key) throws IOException {
    SocketChannel sc = (SocketChannel) key.channel();
    ByteBuffer byteBuffer = ByteBuffer.allocate(1024); // 1K
    sc.read(byteBuffer);
    byteBuffer.flip();
    byte[] data = new byte[byteBuffer.limit()];
    byteBuffer.get(data);
    key.interestOps(SelectionKey.OP_WRITE);
    System.out.println("client read");
    System.out.println(new String(data, "UTF-8"));
}

開發者ID:justice-code，項目名稱:QiuQiu，代碼行數:12，代碼來源:Client.java

示例12: read

import java.nio.channels.SocketChannel; //導入方法依賴的package包/類
public void read(SelectionKey key) throws IOException {
    SocketChannel channel = (SocketChannel) key.channel();
    // 創建讀取的緩衝區
    ByteBuffer buffer = ByteBuffer.allocate(100);
    channel.read(buffer);
    byte[] data = buffer.array();
    String msg = new String(data).trim();

    System.out.println("客戶端收到信息：" + msg);
    channel.close();
    key.selector().close();

}

開發者ID:zhangboqing，項目名稱:multithread，代碼行數:14，代碼來源:NIOEchoClient.java

示例13: start

import java.nio.channels.SocketChannel; //導入方法依賴的package包/類
@SuppressWarnings("InfiniteLoopStatement")
public void start() throws Exception {

    try (ServerSocketChannel serverSocketChannel = ServerSocketChannel.open()) {
        serverSocketChannel.bind(new InetSocketAddress("localhost", PORT));

        serverSocketChannel.configureBlocking(false); //non blocking mode
        int ops = SelectionKey.OP_ACCEPT;
        Selector selector = Selector.open();
        serverSocketChannel.register(selector, ops, null);

        logger.info("Started on port: " + PORT);

        while (true) {
            selector.select();//blocks
            Iterator<SelectionKey> iterator = selector.selectedKeys().iterator();
            while (iterator.hasNext()) {
                SelectionKey key = iterator.next();
                try {
                    if (key.isAcceptable()) {
                        SocketChannel client = serverSocketChannel.accept(); //non blocking accept
                        System.out.println("Connection Accepted: " + client.getLocalAddress());

                        client.configureBlocking(false);
                        client.register(selector, SelectionKey.OP_READ);

                    } else if (key.isReadable()) {
                        SocketChannel channel = (SocketChannel) key.channel();

                        ByteBuffer buffer = ByteBuffer.allocate(CAPACITY);
                        int read = channel.read(buffer);
                        if (read != -1) {
                            String result = new String(buffer.array()).trim();
                            if (!result.isEmpty())
                                System.out.println("Message received: " + result + " from: " + channel.getRemoteAddress());
                        } else {
                            key.cancel();
                            System.out.println("Connection closed, key canceled");
                        }
                    }
                } catch (IOException e) {
                    logger.log(Level.SEVERE, e.getMessage());
                } finally {
                    iterator.remove();
                }
            }
        }
    }
}

開發者ID:vitaly-chibrikov，項目名稱:otus_java_2017_04，代碼行數:50，代碼來源:LogServer.java

示例14: processInput

import java.nio.channels.SocketChannel; //導入方法依賴的package包/類
private void processInput(SelectionKey key, Iterator<SelectionKey> keyIterator)
{
    keyIterator.remove();
    ByteBuffer receiveBuffer = ByteBufferPool.acquire();
    // Leave space for the header
    receiveBuffer.position(HEADER_SIZE);

    TCB tcb = (TCB) key.attachment();
    synchronized (tcb)
    {
        Packet referencePacket = tcb.referencePacket;
        SocketChannel inputChannel = (SocketChannel) key.channel();
        int readBytes;
        try
        {
            readBytes = inputChannel.read(receiveBuffer);
        }
        catch (IOException e)
        {
            Log.e(TAG, "Network read error: " + tcb.ipAndPort, e);
            referencePacket.updateTCPBuffer(receiveBuffer, (byte) Packet.TCPHeader.RST, 0, tcb.myAcknowledgementNum, 0);
            outputQueue.offer(receiveBuffer);
            TCB.closeTCB(tcb);
            return;
        }

        if (readBytes == -1)
        {
            // End of stream, stop waiting until we push more data
            key.interestOps(0);
            tcb.waitingForNetworkData = false;

            if (tcb.status != TCB.TCBStatus.CLOSE_WAIT)
            {
                ByteBufferPool.release(receiveBuffer);
                return;
            }

            tcb.status = TCB.TCBStatus.LAST_ACK;
            referencePacket.updateTCPBuffer(receiveBuffer, (byte) Packet.TCPHeader.FIN, tcb.mySequenceNum, tcb.myAcknowledgementNum, 0);
            tcb.mySequenceNum++; // FIN counts as a byte
        }
        else
        {
            // XXX: We should ideally be splitting segments by MTU/MSS, but this seems to work without
            referencePacket.updateTCPBuffer(receiveBuffer, (byte) (Packet.TCPHeader.PSH | Packet.TCPHeader.ACK),
                    tcb.mySequenceNum, tcb.myAcknowledgementNum, readBytes);
            tcb.mySequenceNum += readBytes; // Next sequence number
            receiveBuffer.position(HEADER_SIZE + readBytes);
        }
    }
    outputQueue.offer(receiveBuffer);
}

開發者ID:x-falcon，項目名稱:Virtual-Hosts，代碼行數:54，代碼來源:TCPInput.java

示例15: TCPEchoTest

import java.nio.channels.SocketChannel; //導入方法依賴的package包/類
private static void TCPEchoTest() throws IOException {
    SocketChannel sc = Launcher.launchWithSocketChannel(ECHO_SERVICE, null);

    String msg = "Where's that damn torpedo?";
    int repeat = 100;
    int size = msg.length() * repeat;

    // generate bytes into a buffer and send it to the service

    ByteBuffer bb1 = ByteBuffer.allocate(size);
    Random gen = new Random();
    for (int i=0; i<repeat; i++) {
        bb1.put(msg.getBytes("UTF-8"));
    }
    bb1.flip();
    sc.write(bb1);

    // now we put the channel into non-blocking mode and we read the
    // reply from the service into a second buffer.

    ByteBuffer bb2 = ByteBuffer.allocate(size+100);
    sc.configureBlocking(false);
    Selector sel = sc.provider().openSelector();
    SelectionKey sk = sc.register(sel, SelectionKey.OP_READ);
    int nread = 0;
    long to = 5000;
    while (nread < size) {
        long st = System.currentTimeMillis();
        sel.select(to);
        if (sk.isReadable()) {
            int n = sc.read(bb2);
            if (n > 0) {
                nread += n;
            }
            if (n < 0) {
                break;              // EOF
            }
        }
        sel.selectedKeys().remove(sk);
        to -= System.currentTimeMillis() - st;
        if (to <= 0) {
            break;
        }
    }
    sc.close();

    // and compare the response

    boolean err = false;

    if (nread != size) {
        err = true;
    } else {
        bb1.flip();
        bb2.flip();
        while (bb1.hasRemaining()) {
            if (bb1.get() != bb2.get()) {
                err = true;
            }
        }
    }

    // if error print out the response from the service (could be a stack trace)
    if (err) {
        System.err.println("Bad response or premature EOF, bytes read: ");
        bb2.flip();
        while (bb2.hasRemaining()) {
            char c = (char)bb2.get();
            System.out.print(c);
        }
        throw new RuntimeException("Bad response or premature EOF from service");
    }
}

開發者ID:AdoptOpenJDK，項目名稱:openjdk-jdk10，代碼行數:74，代碼來源:EchoTest.java

注：本文中的java.nio.channels.SocketChannel.read方法示例由純淨天空整理自Github/MSDocs等開源代碼及文檔管理平台，相關代碼片段篩選自各路編程大神貢獻的開源項目，源碼版權歸原作者所有，傳播和使用請參考對應項目的License；未經允許，請勿轉載。