/** The main processing loop for incoming RTSP messages. */
public void run() {
ByteArrayOutputStream baos = new ByteArrayOutputStream();
int ch0 = 0;
int ch1 = 0;
int ch2 = 0;
int ch3 = 0;
while (connectionIsAlive) {
try {
ch3 = ch2;
ch2 = ch1;
ch1 = ch0;
ch0 = is.read();
if (-1 != ch0) {
baos.write(ch0);
if ('\r' == ch1 && '\n' == ch0 && '\r' == ch3 && '\n' == ch2) {
// message header is completely received
String header = new String(baos.toByteArray());
int content_length = getContentLength(header);
for (int i = 0; i < content_length; i++) {
ch0 = is.read();
if (-1 != ch0) {
baos.write(ch0);
} else {
connectionIsAlive = false;
break;
}
}
// whole message is completely received
ds.processIncomingMessage(baos.toByteArray());
baos.reset();
}
} else {
connectionIsAlive = false;
}
} catch (Exception e) {
connectionIsAlive = false;
}
}
}
/**
* Creates a new RTSP connection.
*
* @param url RTSP URL object
* @exception IOException Throws and IOException if a connection to the RTSP server cannot be
* established.
*/
public RtspConnectionBase(RtspDS ds) throws IOException {
try {
openStreams(ds.getUrl());
} catch (IOException e) {
throw e;
}
if (null == is) throw new IOException("InputStream creation failed");
if (null == os) throw new IOException("OutputStream creation failed");
connectionIsAlive = true;
this.ds = ds;
start();
}
