private void decodeFrames(ByteBuffer socketBuffer) {
List<Framedata> frames;
try {
frames = draft.translateFrame(socketBuffer);
for (Framedata f : frames) {
if (DEBUG) System.out.println("matched frame: " + f);
Opcode curop = f.getOpcode();
boolean fin = f.isFin();
if (curop == Opcode.CLOSING) {
int code = CloseFrame.NOCODE;
String reason = "";
if (f instanceof CloseFrame) {
CloseFrame cf = (CloseFrame) f;
code = cf.getCloseCode();
reason = cf.getMessage();
}
if (readystate == READYSTATE.CLOSING) {
// complete the close handshake by disconnecting
closeConnection(code, reason, true);
} else {
// echo close handshake
if (draft.getCloseHandshakeType() == CloseHandshakeType.TWOWAY)
close(code, reason, true);
else flushAndClose(code, reason, false);
}
continue;
} else if (curop == Opcode.PING) {
wsl.onWebsocketPing(this, f);
continue;
} else if (curop == Opcode.PONG) {
wsl.onWebsocketPong(this, f);
continue;
} else if (!fin || curop == Opcode.CONTINUOUS) {
if (curop != Opcode.CONTINUOUS) {
if (current_continuous_frame_opcode != null)
throw new InvalidDataException(
CloseFrame.PROTOCOL_ERROR, "Previous continuous frame sequence not completed.");
current_continuous_frame_opcode = curop;
} else if (fin) {
if (current_continuous_frame_opcode == null)
throw new InvalidDataException(
CloseFrame.PROTOCOL_ERROR, "Continuous frame sequence was not started.");
current_continuous_frame_opcode = null;
} else if (current_continuous_frame_opcode == null) {
throw new InvalidDataException(
CloseFrame.PROTOCOL_ERROR, "Continuous frame sequence was not started.");
}
try {
wsl.onWebsocketMessageFragment(this, f);
} catch (RuntimeException e) {
wsl.onWebsocketError(this, e);
}
} else if (current_continuous_frame_opcode != null) {
throw new InvalidDataException(
CloseFrame.PROTOCOL_ERROR, "Continuous frame sequence not completed.");
} else if (curop == Opcode.TEXT) {
try {
wsl.onWebsocketMessage(this, Charsetfunctions.stringUtf8(f.getPayloadData()));
} catch (RuntimeException e) {
wsl.onWebsocketError(this, e);
}
} else if (curop == Opcode.BINARY) {
try {
wsl.onWebsocketMessage(this, f.getPayloadData());
} catch (RuntimeException e) {
wsl.onWebsocketError(this, e);
}
} else {
throw new InvalidDataException(
CloseFrame.PROTOCOL_ERROR, "non control or continious frame expected");
}
}
} catch (InvalidDataException e1) {
wsl.onWebsocketError(this, e1);
close(e1);
return;
}
}
