Example usage for org.apache.thrift.transport TTransport write

Introduction

In this page you can find the example usage for org.apache.thrift.transport TTransport write.

Prototype

public abstract void write(byte[] buf, int off, int len) throws TTransportException;

Source Link

Document

Writes up to len bytes from the buffer.

Usage

From source file:org.apache.accumulo.monitor.ZooKeeperStatus.java

License:Apache License

@Override
public void run() {

    while (!stop) {

        TreeSet<ZooKeeperState> update = new TreeSet<>();

        String zookeepers[] = SiteConfiguration.getInstance().get(Property.INSTANCE_ZK_HOST).split(",");
        for (String keeper : zookeepers) {
            int clients = 0;
            String mode = "unknown";

            String[] parts = keeper.split(":");
            TTransport transport = null;
            try {
                HostAndPort addr;//  w  w  w .ja v a 2  s . co m
                if (parts.length > 1)
                    addr = HostAndPort.fromParts(parts[0], Integer.parseInt(parts[1]));
                else
                    addr = HostAndPort.fromParts(parts[0], 2181);

                transport = TTimeoutTransport.create(addr, 10 * 1000l);
                transport.write("stat\n".getBytes(UTF_8), 0, 5);
                StringBuilder response = new StringBuilder();
                try {
                    transport.flush();
                    byte[] buffer = new byte[1024 * 100];
                    int n = 0;
                    while ((n = transport.read(buffer, 0, buffer.length)) > 0) {
                        response.append(new String(buffer, 0, n, UTF_8));
                    }
                } catch (TTransportException ex) {
                    // happens at EOF
                }
                for (String line : response.toString().split("\n")) {
                    if (line.startsWith(" "))
                        clients++;
                    if (line.startsWith("Mode"))
                        mode = line.split(":")[1];
                }
                update.add(new ZooKeeperState(keeper, mode, clients));
            } catch (Exception ex) {
                log.info("Exception talking to zookeeper " + keeper, ex);
                update.add(new ZooKeeperState(keeper, "Down", -1));
            } finally {
                if (transport != null) {
                    try {
                        transport.close();
                    } catch (Exception ex) {
                        log.error("Exception", ex);
                    }
                }
            }
        }
        status = update;
        UtilWaitThread.sleep(5 * 1000);
    }
}

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From source file:org.apache.accumulo.server.monitor.ZooKeeperStatus.java

License:Apache License

@Override
public void run() {

    while (!stop) {

        TreeSet<ZooKeeperState> update = new TreeSet<ZooKeeperState>();

        String zookeepers[] = ServerConfiguration.getSiteConfiguration().get(Property.INSTANCE_ZK_HOST)
                .split(",");
        for (String keeper : zookeepers) {
            int clients = 0;
            String mode = "unknown";

            String[] parts = keeper.split(":");
            TTransport transport = null;
            try {
                HostAndPort addr;/*  w w  w.  j  a  va  2  s. c  o  m*/
                if (parts.length > 1)
                    addr = HostAndPort.fromParts(parts[0], Integer.parseInt(parts[1]));
                else
                    addr = HostAndPort.fromParts(parts[0], 2181);

                transport = TTimeoutTransport.create(addr, 10 * 1000l);
                transport.write("stat\n".getBytes(), 0, 5);
                StringBuilder response = new StringBuilder();
                try {
                    transport.flush();
                    byte[] buffer = new byte[1024 * 100];
                    int n = 0;
                    while ((n = transport.read(buffer, 0, buffer.length)) > 0) {
                        response.append(new String(buffer, 0, n));
                    }
                } catch (TTransportException ex) {
                    // happens at EOF
                }
                for (String line : response.toString().split("\n")) {
                    if (line.startsWith(" "))
                        clients++;
                    if (line.startsWith("Mode"))
                        mode = line.split(":")[1];
                }
                update.add(new ZooKeeperState(keeper, mode, clients));
            } catch (Exception ex) {
                log.info("Exception talking to zookeeper " + keeper, ex);
                update.add(new ZooKeeperState(keeper, "Down", -1));
            } finally {
                if (transport != null) {
                    try {
                        transport.close();
                    } catch (Exception ex) {
                        log.error(ex, ex);
                    }
                }
            }
        }
        status = update;
        UtilWaitThread.sleep(1000);
    }
}

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