/**
* Sends the data contained in the passed buffer to the client
*
* @param dataBuffer The data to send to the client
*/
private void sendDataPacket(User user, byte[] dataBuffer) {
DatagramPacket outputPacket =
new DatagramPacket(dataBuffer, dataBuffer.length, user.getAddress(), mediaPort);
try {
if (serverSocket != null) {
serverSocket.send(outputPacket);
log.info("Sent data packet to: " + user.getAddress().getHostAddress() + ":" + mediaPort);
}
} catch (IOException e) {
log.error(
"Error sending image frame to client: "
+ user.getAddress().getHostAddress()
+ ":"
+ mediaPort);
e.printStackTrace();
}
}
/**
* Adds a new user to the list of users that should receive a media stream.
*
* @param user The user to stream media to
* @return True if the user was successfully added, false if not (duplicate record existed)
*/
public boolean addUser(User user) {
if (user == null) return false;
synchronized (clients) {
for (User u : clients) {
if (u == user) {
return false;
}
}
clients.add(user);
log.info("Added user \"" + user.getUsername() + "\" to streaming media clients.");
return true;
}
}
/**
* Removes a user from the list of users that should receive a media stream.
*
* @param user The user to stop streaming media to
* @return True if the user was successfully removed, false if not (user could not be found in
* existing client list)
*/
public boolean removeUser(User user) {
synchronized (clients) {
log.info("Removing user \"" + user.getUsername() + "\" from streaming media clients.");
return clients.remove(user);
}
}