public void configure(PluginConfig cfg) {
String crlf = cfg.getProperty("Telnet", id, "crlf"); // on \n
if (crlf != null) handler.setCRLF(crlf);
String cr = cfg.getProperty("Telnet", id, "cr"); // on \r
if (cr != null) handler.setCR(cr);
}
@Override
public int read(byte[] b) throws IOException {
/*
* We just don't pass read() down, since negotiate() might call other
* functions and we need transaction points.
*/
int n;
/*
* clear out the rest of the buffer. loop, in case we have negotiations
* (return 0) and date (return > 0) mixed ... until end of buffer or any
* data read.
*/
do {
n = handler.negotiate(b);
if (n > 0) return n;
} while (n == 0);
/*
* try reading stuff until we get at least 1 byte of real data or are at
* the end of the buffer.
*/
while (true) {
n = source.read(b);
if (n <= 0) return n;
handler.inputfeed(b, n);
n = 0;
while (true) {
n = handler.negotiate(b);
if (n > 0) return n;
if (n == -1) // buffer empty.
break;
}
return 0;
}
}
@Override
public void write(byte[] b) throws IOException {
handler.transpose(b); // transpose 0xff or \n and send data
}