Example usage for io.vertx.core.buffer Buffer getBuffer

Introduction

In this page you can find the example usage for io.vertx.core.buffer Buffer getBuffer.

Prototype

Buffer getBuffer(int start, int end);

Source Link

Document

Returns a copy of a sub-sequence the Buffer as a io.vertx.core.buffer.Buffer starting at position start and ending at position end - 1

Usage

From source file:io.fabric8.msg.jnatsd.BufferSupport.java

License:Apache License

static public Buffer chomp(Buffer self) {
    return self.getBuffer(0, self.length() - 1);
}

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From source file:io.fabric8.msg.jnatsd.BufferSupport.java

License:Apache License

static public Buffer trimFront(Buffer self) {
    int length = self.length();
    int pos = 0;/*  w ww.j av  a 2 s  .  c  o  m*/
    while ((pos < length) && (self.getByte(pos) <= ' ')) {
        pos++;
    }
    return (pos == 0) ? self : self.getBuffer(pos, length);
}

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From source file:io.fabric8.msg.jnatsd.BufferSupport.java

License:Apache License

static public Buffer trimEnd(Buffer self) {
    int length = self.length();
    int pos = length;
    while (pos > 0 && (self.getByte(pos - 1) <= ' ')) {
        pos--;//from   w  ww .  j  ava  2s  . com
    }
    return (pos == length - 1) ? self : self.getBuffer(0, pos);
}

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From source file:io.fabric8.msg.jnatsd.BufferSupport.java

License:Apache License

static public Buffer[] split(Buffer self, byte separator) {
    ArrayList<Buffer> rc = new ArrayList<>();
    int pos = 0;// w w w . ja v a 2 s. c o m
    int nextStart = pos;
    int end = self.length();
    while (pos < end) {
        if (self.getByte(pos) == separator) {
            if (nextStart < pos) {
                rc.add(self.getBuffer(nextStart, pos));
            }
            nextStart = pos + 1;
        }
        pos++;
    }
    if (nextStart < pos) {
        rc.add(self.getBuffer(nextStart, pos));
    }
    return rc.toArray(new Buffer[rc.size()]);
}

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From source file:net.kuujo.copycat.vertx.VertxTcpProtocolClient.java

License:Apache License

@Override
public CompletableFuture<Void> connect() {
    final CompletableFuture<Void> future = new CompletableFuture<>();

    if (vertx == null)
        vertx = protocol.getVertx();/*from   w  w  w  .  ja v  a 2 s . c o  m*/
    if (vertx == null)
        vertx = Vertx.vertx();

    if (client == null) {
        NetClientOptions options = new NetClientOptions().setTcpKeepAlive(true).setTcpNoDelay(true)
                .setSendBufferSize(protocol.getSendBufferSize())
                .setReceiveBufferSize(protocol.getReceiveBufferSize()).setSsl(protocol.isSsl())
                .setTrustAll(protocol.isClientTrustAll()).setUsePooledBuffers(true);
        client = vertx.createNetClient(options);
        client.connect(port, host, result -> {
            if (result.failed()) {
                future.completeExceptionally(result.cause());
            } else {
                socket = result.result();
                RecordParser parser = RecordParser.newFixed(4, null);
                Handler<Buffer> handler = new Handler<Buffer>() {
                    int length = -1;

                    @Override
                    public void handle(Buffer buffer) {
                        if (length == -1) {
                            length = buffer.getInt(0);
                            parser.fixedSizeMode(length + 8);
                        } else {
                            handleResponse(buffer.getLong(0),
                                    buffer.getBuffer(8, length + 8).getByteBuf().nioBuffer());
                            length = -1;
                            parser.fixedSizeMode(4);
                        }
                    }
                };
                parser.setOutput(handler);
                socket.handler(parser);
                future.complete(null);
            }
        });
    } else {
        future.complete(null);
    }
    return future;
}

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From source file:net.kuujo.copycat.vertx.VertxTcpProtocolServer.java

License:Apache License

@Override
public CompletableFuture<Void> listen() {
    final CompletableFuture<Void> future = new CompletableFuture<>();

    if (vertx == null)
        vertx = protocol.getVertx();/* ww  w . j  av a  2 s  . co  m*/
    if (vertx == null)
        vertx = Vertx.vertx();

    if (server == null) {
        NetServerOptions options = new NetServerOptions().setTcpKeepAlive(true).setTcpNoDelay(true)
                .setReuseAddress(true).setAcceptBacklog(protocol.getAcceptBacklog())
                .setSendBufferSize(protocol.getSendBufferSize())
                .setReceiveBufferSize(protocol.getReceiveBufferSize()).setSsl(protocol.isSsl())
                .setClientAuthRequired(protocol.isClientAuthRequired()).setUsePooledBuffers(true);
        server = vertx.createNetServer(options);
        server.connectHandler(socket -> {
            RecordParser parser = RecordParser.newFixed(4, null);
            Handler<Buffer> handler = new Handler<Buffer>() {
                int length = -1;

                @Override
                public void handle(Buffer buffer) {
                    if (length == -1) {
                        length = buffer.getInt(0);
                        parser.fixedSizeMode(length + 8);
                    } else {
                        handleRequest(buffer.getLong(0), socket,
                                buffer.getBuffer(8, length + 8).getByteBuf().nioBuffer());
                        length = -1;
                        parser.fixedSizeMode(4);
                    }
                }
            };
            parser.setOutput(handler);
            socket.handler(parser);
        }).listen(port, host, result -> {
            if (result.failed()) {
                future.completeExceptionally(result.cause());
            } else {
                future.complete(null);
            }
        });
    } else {
        future.complete(null);
    }
    return future;
}

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From source file:org.lealone.net.AsyncConnection.java

License:Open Source License

@Override
public void handle(Buffer buffer) {
    if (lastBuffer != null) {
        buffer = lastBuffer.appendBuffer(buffer);
        lastBuffer = null;//from   w w w  .j  a va  2 s.c  o  m
    }

    int length = buffer.length();
    if (length < 4) {
        lastBuffer = buffer;
        return;
    }

    int pos = 0;
    try {
        while (true) {
            // ?Transfer??????Transfer
            // ?CommandHandler?Transfer??
            Transfer transfer;
            if (pos == 0)
                transfer = new Transfer(this, socket, buffer);
            else
                transfer = new Transfer(this, socket, buffer.slice(pos, pos + length));
            int packetLength = transfer.readInt();
            if (length - 4 == packetLength) {
                parsePacket(transfer);
                break;
            } else if (length - 4 > packetLength) {
                parsePacket(transfer);
                pos = pos + packetLength + 4;
                length = length - (packetLength + 4);
                // ??4
                if (length < 4) {
                    lastBuffer = buffer.getBuffer(pos, pos + length);
                    break;
                } else {
                    continue;
                }
            } else {
                lastBuffer = buffer.getBuffer(pos, pos + length);
                break;
            }
        }
    } catch (Throwable e) {
        logger.error("Parse packet", e);
    }
}

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