protected List<PingData> read(InputStream in) {
List<PingData> retval = null;
try {
while (true) {
try {
String name_str = Util.readToken(in);
String uuid_str = Util.readToken(in);
String addr_str = Util.readToken(in);
String coord_str = Util.readToken(in);
if (name_str == null || uuid_str == null || addr_str == null || coord_str == null) break;
UUID uuid = null;
try {
long tmp = Long.valueOf(uuid_str);
uuid = new UUID(0, tmp);
} catch (Throwable t) {
uuid = UUID.fromString(uuid_str);
}
PhysicalAddress phys_addr = new IpAddress(addr_str);
boolean is_coordinator = coord_str.trim().equals("T") || coord_str.trim().equals("t");
if (retval == null) retval = new ArrayList<>();
retval.add(new PingData(uuid, true, name_str, phys_addr).coord(is_coordinator));
} catch (Throwable t) {
log.error(Util.getMessage("FailedReadingLineOfInputStream"), t);
}
}
return retval;
} finally {
Util.close(in);
}
}
protected void write(List<PingData> list, OutputStream out) throws Exception {
try {
for (PingData data : list) {
String logical_name = data.getLogicalName();
Address addr = data.getAddress();
PhysicalAddress phys_addr = data.getPhysicalAddr();
if (logical_name == null || addr == null || phys_addr == null) continue;
out.write(logical_name.getBytes());
out.write(WHITESPACE);
out.write(addressAsString(addr).getBytes());
out.write(WHITESPACE);
out.write(phys_addr.toString().getBytes());
out.write(WHITESPACE);
out.write(
data.isCoord() ? String.format("T%n").getBytes() : String.format("F%n").getBytes());
}
} finally {
Util.close(out);
}
}
void stop() {
if (disp != null) disp.stop();
Util.close(channel);
}