static void init(String host, String portStr) {
Logger root = (Logger) LoggerFactory.getLogger(Logger.ROOT_LOGGER_NAME);
BasicConfigurator.configure(root.getLoggerContext());
try {
int port = Integer.parseInt(portStr);
logger.info("Creating socket appender (" + host + "," + port + ").");
s = new SocketAppender();
s.setRemoteHost(host);
s.setPort(port);
s.setName("S");
root.addAppender(s);
} catch (java.lang.NumberFormatException e) {
e.printStackTrace();
usage("Could not interpret port number [" + portStr + "].");
} catch (Exception e) {
System.err.println("Could not start!");
e.printStackTrace();
System.exit(1);
}
}
@Before
public void resetLogging() {
LoggerContext loggerContext = ((Logger) LoggerFactory.getLogger(getClass())).getLoggerContext();
loggerContext.reset();
BasicConfigurator.configure(loggerContext);
}
@SuppressWarnings("unchecked")
public static void main(String... args) throws ParseException, JoranException, IOException {
Parser parser = new BasicParser();
CommandLine cl = null;
try {
cl = parser.parse(OPTS, args);
} catch (ParseException e) {
HelpFormatter help = new HelpFormatter();
help.printHelp("dlog", OPTS, true);
System.exit(-1);
}
LoggerContext loggerContext = (LoggerContext) LoggerFactory.getILoggerFactory();
loggerContext.reset();
if (cl.hasOption("config")) {
// Read Logback configuration
JoranConfigurator configurator = new JoranConfigurator();
configurator.setContext(loggerContext);
configurator.doConfigure(cl.getOptionValue("file", "logback.xml"));
StatusPrinter.printInCaseOfErrorsOrWarnings(loggerContext);
} else {
BasicConfigurator.configure(loggerContext);
}
Appender appender = null;
if (cl.hasOption("output")) {
String outputAppender = cl.getOptionValue("output", "console");
appender = loggerContext.getLogger(Logger.ROOT_LOGGER_NAME).getAppender(outputAppender);
}
ChronicleTools.warmup();
Chronicle chronicle = new IndexedChronicle(cl.getOptionValue("path"), ChronicleConfig.DEFAULT);
ExcerptTailer ex = chronicle.createTailer();
Level level = Level.valueOf(cl.getOptionValue("level", "TRACE"));
if (cl.hasOption("head")) {
int lines = Integer.parseInt(cl.getOptionValue("head", "10"));
for (int i = 0; i < lines; i++) {
LoggingEvent evt = readLoggingEvent(ex, loggerContext);
if (evt.getLevel().isGreaterOrEqual(level)) {
writeEvent(evt, appender);
}
}
} else if (cl.hasOption("tail")) {
int lines = Integer.parseInt(cl.getOptionValue("tail", "10"));
Queue<LoggingEvent> tail = new LinkedBlockingQueue<LoggingEvent>(lines);
while (ex.nextIndex()) {
LoggingEvent evt = readLoggingEvent(ex, loggerContext);
if (!tail.offer(evt)) {
tail.poll();
tail.add(evt);
}
}
LoggingEvent evt;
while (null != (evt = tail.poll())) {
if (evt.getLevel().isGreaterOrEqual(level)) {
writeEvent(evt, appender);
}
}
} else if (cl.hasOption("search")) {
String regex = cl.getOptionValue("search");
Pattern regexPatt = Pattern.compile(regex);
while (ex.nextIndex()) {
LoggingEvent evt = readLoggingEvent(ex, loggerContext);
if (null != evt && evt.getLevel().isGreaterOrEqual(level)) {
if (regexPatt.matcher(evt.getFormattedMessage()).matches()) {
writeEvent(evt, appender);
}
}
}
}
loggerContext.stop();
chronicle.close();
}