/**
* @param line part after the #!
* @throws IllegalArgumentException on dup key and other errors
*/
private static OrderedProperties parseProps(String line) throws IllegalArgumentException {
line = line.trim();
OrderedProperties rv = new OrderedProperties();
String[] entries = DataHelper.split(line, "#");
for (int i = 0; i < entries.length; i++) {
String kv = entries[i];
int eq = kv.indexOf('=');
if (eq <= 0 || eq == kv.length() - 1)
throw new IllegalArgumentException("No value: \"" + kv + '"');
String k = kv.substring(0, eq);
String v = kv.substring(eq + 1);
Object old = rv.setProperty(k, v);
if (old != null) throw new IllegalArgumentException("Dup key: " + k);
}
return rv;
}
public void runCommand(String cmd) throws InterruptedException, IOException {
long timeout = PING_TIMEOUT;
int count = PING_COUNT;
boolean countPing = false;
boolean reportTimes = true;
String hostListFile = null;
int localPort = 0;
int remotePort = 0;
boolean error = false;
String[] argv = DataHelper.split(cmd, " ");
Getopt g = new Getopt("ping", argv, "t:m:n:chl:f:p:");
int c;
while ((c = g.getopt()) != -1) {
switch (c) {
case 't': // timeout
timeout = Long.parseLong(g.getOptarg());
// convenience, convert msec to sec
if (timeout < 100) timeout *= 1000;
break;
case 'm': // max simultaneous pings
MAX_SIMUL_PINGS = Integer.parseInt(g.getOptarg());
break;
case 'n': // number of pings
count = Integer.parseInt(g.getOptarg());
break;
case 'c': // "count" ping
countPing = true;
count = CPING_COUNT;
break;
case 'h': // ping all hosts
if (hostListFile != null) error = true;
else hostListFile = "hosts.txt";
break;
case 'l': // ping a list of hosts
if (hostListFile != null) error = true;
else hostListFile = g.getOptarg();
break;
case 'f': // local port
localPort = Integer.parseInt(g.getOptarg());
break;
case 'p': // remote port
remotePort = Integer.parseInt(g.getOptarg());
break;
case '?':
case ':':
default:
error = true;
}
}
int remaining = argv.length - g.getOptind();
if (error
|| remaining > 1
|| (remaining <= 0 && hostListFile == null)
|| (remaining > 0 && hostListFile != null)) {
System.out.println(usage());
return;
}
if (hostListFile != null) {
BufferedReader br =
new BufferedReader(new InputStreamReader(new FileInputStream(hostListFile), "UTF-8"));
String line;
List<PingHandler> pingHandlers = new ArrayList<PingHandler>();
int i = 0;
while ((line = br.readLine()) != null) {
if (line.startsWith("#")) continue; // comments
if (line.startsWith(";")) continue;
if (line.startsWith("!")) continue;
if (line.indexOf('=') != -1) { // maybe file is hosts.txt?
line = line.substring(0, line.indexOf('='));
}
PingHandler ph =
new PingHandler(line, count, localPort, remotePort, timeout, countPing, reportTimes);
ph.start();
pingHandlers.add(ph);
if (++i > 1) reportTimes = false;
}
br.close();
for (Thread t : pingHandlers) t.join();
return;
}
String host = argv[g.getOptind()];
Thread t = new PingHandler(host, count, localPort, remotePort, timeout, countPing, reportTimes);
t.start();
t.join();
}