for (String keeper : zookeepers) {
int clients = 0;
String mode = "unknown";
String[] parts = keeper.split(":");
TTransport transport = null;
try {
InetSocketAddress addr;
if (parts.length > 1)
addr = new InetSocketAddress(parts[0], Integer.parseInt(parts[1]));
else
addr = new InetSocketAddress(parts[0], 2181);
transport = TTimeoutTransport.create(addr, 10 * 1000l);
transport.write("stat\n".getBytes(Constants.UTF8), 0, 5);
StringBuilder response = new StringBuilder();
try {
transport.flush();
byte[] buffer = new byte[1024 * 100];
int n = 0;
while ((n = transport.read(buffer, 0, buffer.length)) > 0) {
response.append(new String(buffer, 0, n, Constants.UTF8));
}
} catch (TTransportException ex) {
// happens at EOF
}
for (String line : response.toString().split("\n")) {
if (line.startsWith(" "))
clients++;
if (line.startsWith("Mode"))
mode = line.split(":")[1];
}
update.add(new ZooKeeperState(keeper, mode, clients));
} catch (Exception ex) {
log.info("Exception talking to zookeeper " + keeper, ex);
update.add(new ZooKeeperState(keeper, "Down", -1));
} finally {
if (transport != null) {
try {
transport.close();
} catch (Exception ex) {
log.error(ex, ex);
}
}
}