public String executeCommand(String srvrmgrCommand) throws IOException, SrvrMgrException {
String result = "";
if (!this.getLocked()) this.setLocked();
else throw new IOException("Instance locked while trying to execute command " + srvrmgrCommand);
byte[] inputData = new byte[1024];
try {
processInput.write(srvrmgrCommand);
processInput.newLine();
processInput.flush();
/*TODO: debug*/
processLog(srvrmgrCommand, "Input command");
} catch (IOException ex) {
if (!srvrmgrCommand.equals("exit")) {
getProcessInput().close();
getProcessOutputStream().close();
getProcess().destroy();
startProcess();
result = executeCommand(srvrmgrCommand);
Loggers.SERVER.error(
Util.PLUGIN_NAME + ": Process has been killed. Restarting process", ex);
// throw new SrvrMgrException("Process has been killed. Restarting process");
return result;
} else Loggers.SERVER.error(Util.PLUGIN_NAME + ": Process has been killed already", ex);
// throw new SrvrMgrException("Process has been killed already");
}
while ((readInputStreamWithTimeout(processOutputStream, inputData, 1000)) > 0
|| !result.contains("srvrmgr>")) {
result += new String(inputData, StandardCharsets.UTF_8);
inputData = new byte[1024];
if (result.contains("Disconnecting from server")) break;
}
this.setLastCommandDate(System.currentTimeMillis());
this.setUnLocked();
/*TODO: debug*/
processLog(result, getLastCommandDate(), "Command output");
return result;
}
private static int readInputStreamWithTimeout(InputStream is, byte[] b, int timeoutMillis)
throws IOException {
try {
int bufferOffset = 0;
long maxTimeMillis = System.currentTimeMillis() + timeoutMillis;
while (System.currentTimeMillis() < maxTimeMillis && bufferOffset < b.length) {
int readLength = java.lang.Math.min(is.available(), b.length - bufferOffset);
int readResult = is.read(b, bufferOffset, readLength);
if (readResult == -1) break;
bufferOffset += readResult;
}
return bufferOffset;
} catch (IOException ex) {
Loggers.SERVER.error("Error reading stream. Stream closed: " + ex);
return -1;
}
}
private static int getProcessId(Process process) {
int PID = 0;
if (process.getClass().getName().equals("java.lang.Win32Process")
|| process.getClass().getName().equals("java.lang.ProcessImpl")) {
try {
Field f = process.getClass().getDeclaredField("handle");
f.setAccessible(true);
long handl = f.getLong(process);
Kernel kernel = Kernel.INSTANCE;
W32API.HANDLE handle = new W32API.HANDLE();
handle.setPointer(Pointer.createConstant(handl));
PID = kernel.GetProcessId(handle);
} catch (Throwable e) {
Loggers.SERVER.error("PID PROBLEM " + e);
}
}
return PID;
}
