private static void logBeacon(TCPDumpRecord currRec, long startTime, FileLogger flogger) {
flogger.log(
currRec.getTimeStamp()
+ "\t"
+ (currRec.getTimeStamp() - startTime) / 1000.0
+ "\t"
+ Long.toHexString(currRec.getSourceAddr())
+ "\t"
+ currRec.getNetworkName()
+ "\t"
+ currRec.getRSSI());
}
private void log(String msg, FileLogger flogger) {
String result = getClass().getName() + ": " + msg;
System.out.println(result);
if (flogger != null) flogger.log(msg);
}
public static void main(String[] args) {
String fileName = null;
Long sa = null;
// Process the command line arguments...
try {
for (int i = 0; i < args.length; i++) {
if (args[i].equals("-file")) fileName = args[++i];
else if (args[i].equals("-sa")) sa = Long.valueOf(args[++i], 16);
else if (args[i].equals("-debug") || args[i].equals("-d"))
System.setProperty("PharosMiddleware.debug", "true");
else {
usage();
System.exit(1);
}
}
} catch (Exception e) {
e.printStackTrace();
usage();
System.exit(1);
}
if (fileName == null) {
usage();
System.exit(1);
}
// Read in the TCPDump file...
TCPDumpReader reader = new TCPDumpReader(fileName);
// Determine the output file name and create a FileLogger for saving the results...
String outFileName = fileName.substring(0, fileName.indexOf("."));
if (sa == null) {
outFileName += "-rssi-all.txt";
} else {
outFileName += "-rssi-" + Long.toHexString(sa) + ".txt";
}
FileLogger flogger = new FileLogger(outFileName, false);
// Determine the number of relevant beacons in the log file...
int sampleSize = 0;
long startTime = -1;
Enumeration<TCPDumpRecord> e = reader.elements();
while (e.hasMoreElements()) {
TCPDumpRecord currRec = e.nextElement();
// If we are only interested in beacons sent by a specific robot...
if (sa != null) {
// If the beacon was sent by said robot...
if (currRec.getSourceAddr() == sa) {
sampleSize++;
if (startTime == -1) startTime = currRec.getTimeStamp();
}
} else {
sampleSize++;
if (startTime == -1) startTime = currRec.getTimeStamp();
}
}
System.out.println("Saving results to: " + outFileName + ", sample size = " + sampleSize);
flogger.log("File: " + fileName);
flogger.log("Sample Size: " + sampleSize);
flogger.log("Timestamp (us)\tDelta Time (s)\tSource MAC Address\tNetwork Name\tRSSI (dBm)");
e = reader.elements();
while (e.hasMoreElements()) {
TCPDumpRecord currRec = e.nextElement();
// If we are only interested in beacons sent by a specific robot...
if (sa != null) {
// If the beacon was sent by said robot...
if (currRec.getSourceAddr() == sa) {
logBeacon(currRec, startTime, flogger);
}
} else {
logBeacon(currRec, startTime, flogger);
}
}
}