public void run() {
int i;
String cmdToLookFor = getServerProperty("pidHint");
if (cmdToLookFor == null) {
StringBuffer buf = new StringBuffer();
for (i = 0; i < mExecArgs.length; i++) {
if (i > 0) {
buf.append(" ");
}
buf.append(mExecArgs[i]);
}
cmdToLookFor = buf.toString();
}
mLogger.finer("Looking for pid for command: " + cmdToLookFor);
i = 0;
do {
try {
Thread.sleep(1000);
} catch (InterruptedException ie) {
}
mPid = UnixStdlib.getProcessID(cmdToLookFor);
} while (mPid == 0 && ++i < 300); // up to 5 minutes
if (mPid == 0) {
mLogger.warning("Giving up on trying to identify pid");
} else {
mLogger.finer("Serverpid server=" + mName + " pid=" + mPid);
}
}
protected void prepare() throws Exception {
try {
List execCommand = buildExecCommand();
if (execCommand == null) {
mLogger.severe("No command property was specified; disabling server");
synchronized (this) {
changeState(STATE_DISABLED);
}
return;
} else {
mExecArgs = (String[]) execCommand.toArray(new String[0]);
StringBuffer printableCmd = new StringBuffer(4096);
int index = 0;
for (; index < mExecArgs.length - 1; index++) {
printableCmd.append(mExecArgs[index]).append(" ");
}
printableCmd.append(mExecArgs[index]);
mPrintableCommand = printableCmd.toString();
if (useOptimizeIt()) {
System.err.println(mPrintableCommand);
}
}
} catch (Exception ex) {
mLogger.severe("Failed In preparing execargs");
throw ex;
}
}
/**
* Looks for properties "watchdog.server.<SERVER_NAME>.java.flags" followed by
* "watchdog.java.flags" in the configuration and returns the first non-null value. If both are
* not available, returns an empty list.
*/
protected List getJVMFlags() {
String servJVMFlags = getProperty(mPropertyPrefix + ".java.flags");
String wdJVMFlags = getProperty(WDConstants.WD_PREFIX + ".java.flags");
StringBuffer sb = new StringBuffer();
if (wdJVMFlags != null) sb.append(wdJVMFlags);
if (servJVMFlags != null) sb.append(servJVMFlags);
String javaFlags = sb.toString();
String debugFlags = getJVMDebugFlags();
if (debugFlags == null) debugFlags = "";
javaFlags = debugFlags + " " + javaFlags;
javaFlags = javaFlags.trim();
if (javaFlags.equals("")) {
return new LinkedList();
}
return tokenizeCommand(javaFlags);
}
/**
* Tokenizes a command string into a list.
*
* @throws Exception if the command cannot be tokenized
*/
protected static LinkedList _tokenizeCommand(String cmd) throws Exception {
LinkedList tokens = new LinkedList();
int startIndex = 0;
int dQuoteAt = cmd.indexOf('"');
int sQuoteAt = cmd.indexOf('\'');
if (dQuoteAt == -1 && sQuoteAt == -1) {
StringTokenizer st = new StringTokenizer(cmd.trim());
while (st.hasMoreTokens()) {
tokens.add(st.nextToken());
}
return tokens;
}
char[] chArray = cmd.trim().toCharArray();
int endIndex = 0;
boolean inQuotes = false;
char c = 0;
char lastc = 0;
char lastqc = 0;
StringBuffer sb = new StringBuffer(80);
while (endIndex < chArray.length) {
c = chArray[endIndex];
if (!Character.isWhitespace(c)) {
if (c == '"' || c == '\'') {
if (inQuotes && lastc != '\\' && lastqc == c) {
tokens.add(sb.toString());
inQuotes = false;
sb.setLength(0);
} else if (!inQuotes) {
inQuotes = true;
lastqc = c;
} else {
sb.append(c);
}
} else if (c == '\\') {
if (lastc == '\\') sb.append(c);
} else {
sb.append(c);
}
} else {
if (inQuotes) {
sb.append(c);
} else {
if (sb.length() > 0) {
tokens.add(sb.toString());
sb.setLength(0);
}
}
}
lastc = c;
++endIndex;
}
if (inQuotes) {
throw new Exception(
WDExUtil.formatMessage(WDExConstants.UNTERMINATED_STRING, WDUtil.toArray(cmd)));
}
return tokens;
}