/* This file is part of VoltDB.
* Copyright (C) 2008-2017 VoltDB Inc.
*
* Permission is hereby granted, free of charge, to any person obtaining
* a copy of this software and associated documentation files (the
* "Software"), to deal in the Software without restriction, including
* without limitation the rights to use, copy, modify, merge, publish,
* distribute, sublicense, and/or sell copies of the Software, and to
* permit persons to whom the Software is furnished to do so, subject to
* the following conditions:
*
* The above copyright notice and this permission notice shall be
* included in all copies or substantial portions of the Software.
*
* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
* EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
* MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.
* IN NO EVENT SHALL THE AUTHORS BE LIABLE FOR ANY CLAIM, DAMAGES OR
* OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE,
* ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR
* OTHER DEALINGS IN THE SOFTWARE.
*/
package org.voltdb.regressionsuites;
import java.io.BufferedReader;
import java.io.FileWriter;
import java.io.IOException;
import java.io.InputStream;
import java.io.InputStreamReader;
import java.util.concurrent.atomic.AtomicBoolean;
/* class pipes a process's output to a file name.
* Also watches for "Server completed initialization"
* in output - the signal of readiness!
*/
public class PipeToFile extends Thread {
final static String m_initToken = "Server completed init";
final static String m_hostID = "Host id of this node is: ";
FileWriter m_writer ;
BufferedReader m_input;
String m_filename;
// set m_witnessReady when the m_token byte sequence is seen.
AtomicBoolean m_witnessedReady;
AtomicBoolean m_eof = new AtomicBoolean(false);
final String m_token;
int m_hostId = Integer.MAX_VALUE;
long m_initTime;
// optional watcher interface
OutputWatcher m_watcher = null;
// memoize the process here so we can easily check for process death
Process m_process;
PipeToFile(String filename, InputStream stream, String token,
boolean appendLog, Process proc) {
m_witnessedReady = new AtomicBoolean(false);
m_token = token;
m_filename = filename;
m_input = new BufferedReader(new InputStreamReader(stream));
m_process = proc;
try {
m_writer = new FileWriter(filename, appendLog);
}
catch (IOException ex) {
throw new RuntimeException(ex);
}
}
/**
* Allow callers to get the process object to double check for death
*/
Process getProcess() {
return m_process;
}
/**
* Inject a watcher to scan output.
*/
void setWatcher(OutputWatcher watcher) {
m_watcher = watcher;
}
public int getHostId() {
synchronized(this) {
return m_hostId;
}
}
@Override
public void run() {
assert(m_writer != null);
assert(m_input != null);
boolean initLocationFound = false;
while (m_eof.get() != true) {
try {
String data = m_input.readLine();
if (data == null) {
m_eof.set(true);
continue;
}
// let the optional watcher take a peak
if (m_watcher != null) {
m_watcher.handleLine(data);
}
// look for the non-exec site id
if (data.contains(m_hostID)) {
// INITIALIZING INITIATOR ID: 1, SITEID: 0
String[] split = data.split(" ");
synchronized(this) {
try {
m_hostId = Long.valueOf(split[split.length - 1].split(":")[0]).intValue();
} catch (java.lang.NumberFormatException e) {
System.err.println("Had a number format exception processing line: '" + data + "'");
throw e;
}
}
}
// look for a sequence of letters matching the server ready token.
if (!m_witnessedReady.get() && data.contains(m_token)) {
synchronized (this) {
m_witnessedReady.set(true);
this.notifyAll();
}
}
// look for a sequence of letters matching the server ready token.
if (!initLocationFound && data.contains(m_initToken)) {
initLocationFound = true;
m_initTime = System.currentTimeMillis();
}
m_writer.write(data + "\n");
m_writer.flush();
}
catch (IOException ex) {
m_eof.set(true);
}
}
synchronized (this) {
notifyAll();
}
try {
m_writer.close();
} catch (IOException e) {
e.printStackTrace();
}
}
}