Refactored WebSocket.cs
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@ -1049,7 +1049,7 @@ namespace WebSocketSharp
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{
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lock (_forConn) {
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if (_readyState != WebSocketState.Open) {
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_logger.Warn ("Sending has been interrupted.");
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_logger.Error ("Closing the WebSocket connection has been done.");
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return false;
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}
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@ -1057,47 +1057,26 @@ namespace WebSocketSharp
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}
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}
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private bool send (Opcode opcode, byte[] data)
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{
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lock (_forSend) {
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var sent = false;
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try {
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var compressed = false;
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if (_compression != CompressionMethod.None) {
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data = data.Compress (_compression);
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compressed = true;
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}
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var mask = _client ? Mask.Mask : Mask.Unmask;
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sent = send (Fin.Final, opcode, mask, data, compressed);
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}
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catch (Exception ex) {
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_logger.Fatal (ex.ToString ());
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error ("An exception has occurred while sending a data.");
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}
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return sent;
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}
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}
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private bool send (Opcode opcode, Stream stream)
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{
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lock (_forSend) {
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var src = stream;
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var sent = false;
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var compressed = false;
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var sent = false;
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string msg = null;
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try {
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if (_compression != CompressionMethod.None) {
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stream = stream.Compress (_compression);
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compressed = true;
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}
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var mask = _client ? Mask.Mask : Mask.Unmask;
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sent = sendFragmented (opcode, stream, mask, compressed);
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sent = send (opcode, stream, _client ? Mask.Mask : Mask.Unmask, compressed);
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if (!sent)
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msg = "Sending a data has been interrupted.";
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}
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catch (Exception ex) {
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_logger.Fatal (ex.ToString ());
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error ("An exception has occurred while sending a data.");
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msg = "An exception has occurred while sending a data.";
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}
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finally {
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if (compressed)
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@ -1106,15 +1085,64 @@ namespace WebSocketSharp
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src.Dispose ();
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}
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if (msg != null)
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error (msg);
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return sent;
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}
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}
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private bool send (Opcode opcode, Stream stream, Mask mask, bool compressed)
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{
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var len = stream.Length;
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/* Not fragmented */
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if (len == 0)
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return send (Fin.Final, opcode, mask, new byte[0], compressed);
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var quo = len / FragmentLength;
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var rem = (int) (len % FragmentLength);
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byte[] buff = null;
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if (quo == 0) {
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buff = new byte[rem];
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return stream.Read (buff, 0, rem) == rem &&
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send (Fin.Final, opcode, mask, buff, compressed);
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}
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buff = new byte[FragmentLength];
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if (quo == 1 && rem == 0)
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return stream.Read (buff, 0, FragmentLength) == FragmentLength &&
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send (Fin.Final, opcode, mask, buff, compressed);
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/* Send fragmented */
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// Begin
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if (stream.Read (buff, 0, FragmentLength) != FragmentLength ||
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!send (Fin.More, opcode, mask, buff, compressed))
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return false;
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var times = rem == 0 ? quo - 2 : quo - 1;
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for (long i = 0; i < times; i++)
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if (stream.Read (buff, 0, FragmentLength) != FragmentLength ||
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!send (Fin.More, Opcode.Cont, mask, buff, compressed))
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return false;
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// End
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var tmpLen = FragmentLength;
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if (rem != 0)
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buff = new byte[tmpLen = rem];
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return stream.Read (buff, 0, tmpLen) == tmpLen &&
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send (Fin.Final, Opcode.Cont, mask, buff, compressed);
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}
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private bool send (Fin fin, Opcode opcode, Mask mask, byte[] data, bool compressed)
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{
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lock (_forConn) {
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if (_readyState != WebSocketState.Open) {
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_logger.Warn ("Sending has been interrupted.");
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_logger.Error ("Closing the WebSocket connection has been done.");
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return false;
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}
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@ -1123,26 +1151,6 @@ namespace WebSocketSharp
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}
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}
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private void sendAsync (Opcode opcode, byte[] data, Action<bool> completed)
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{
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Func<Opcode, byte[], bool> sender = send;
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sender.BeginInvoke (
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opcode,
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data,
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ar => {
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try {
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var sent = sender.EndInvoke (ar);
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if (completed != null)
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completed (sent);
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}
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catch (Exception ex) {
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_logger.Fatal (ex.ToString ());
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error ("An exception has occurred while callback.");
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}
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},
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null);
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}
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private void sendAsync (Opcode opcode, Stream stream, Action<bool> completed)
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{
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Func<Opcode, Stream, bool> sender = send;
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@ -1163,45 +1171,6 @@ namespace WebSocketSharp
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null);
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}
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private bool sendFragmented (Opcode opcode, Stream stream, Mask mask, bool compressed)
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{
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var len = stream.Length;
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var quo = len / FragmentLength;
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var rem = (int) (len % FragmentLength);
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var times = rem == 0 ? quo - 2 : quo - 1;
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byte[] buff = null;
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// Not fragmented
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if (quo == 0) {
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buff = new byte[rem];
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return stream.Read (buff, 0, rem) == rem &&
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send (Fin.Final, opcode, mask, buff, compressed);
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}
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buff = new byte[FragmentLength];
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// First
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if (stream.Read (buff, 0, FragmentLength) != FragmentLength ||
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!send (Fin.More, opcode, mask, buff, compressed))
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return false;
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// Mid
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for (long i = 0; i < times; i++) {
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if (stream.Read (buff, 0, FragmentLength) != FragmentLength ||
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!send (Fin.More, Opcode.Cont, mask, buff, compressed))
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return false;
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}
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// Final
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var tmpLen = FragmentLength;
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if (rem != 0)
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buff = new byte[tmpLen = rem];
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return stream.Read (buff, 0, tmpLen) == tmpLen &&
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send (Fin.Final, Opcode.Cont, mask, buff, compressed);
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}
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// As client
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private HttpResponse sendHandshakeRequest ()
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{
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@ -1453,8 +1422,10 @@ namespace WebSocketSharp
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{
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lock (_forSend) {
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lock (_forConn) {
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if (_readyState != WebSocketState.Open)
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if (_readyState != WebSocketState.Open) {
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_logger.Error ("Closing the WebSocket connection has been done.");
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return;
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}
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try {
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byte[] cached;
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@ -1470,11 +1441,11 @@ namespace WebSocketSharp
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cache.Add (_compression, cached);
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}
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_stream.WriteBytes (cached);
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if (!_stream.WriteBytes (cached))
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_logger.Error ("Sending a data has been interrupted.");
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}
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catch (Exception ex) {
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_logger.Fatal (ex.ToString ());
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error ("An exception has occurred while sending a data.");
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_logger.Fatal ("An exception has occurred while sending a data:\n" + ex.ToString ());
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}
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}
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}
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@ -1494,12 +1465,12 @@ namespace WebSocketSharp
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cached.Position = 0;
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}
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if (_readyState == WebSocketState.Open)
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sendFragmented (opcode, cached, Mask.Unmask, _compression != CompressionMethod.None);
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if (_readyState != WebSocketState.Open ||
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!send (opcode, cached, Mask.Unmask, _compression != CompressionMethod.None))
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_logger.Error ("Sending a data has been interrupted.");
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}
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catch (Exception ex) {
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_logger.Fatal (ex.ToString ());
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error ("An exception has occurred while sending a data.");
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_logger.Fatal ("An exception has occurred while sending a data:\n" + ex.ToString ());
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}
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}
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}
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@ -1853,13 +1824,7 @@ namespace WebSocketSharp
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return;
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}
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var len = data.LongLength;
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if (len <= FragmentLength)
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send (
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Opcode.Binary,
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len > 0 && _client && _compression == CompressionMethod.None ? data.Copy (len) : data);
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else
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send (Opcode.Binary, new MemoryStream (data));
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send (Opcode.Binary, new MemoryStream (data));
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}
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/// <summary>
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@ -1898,11 +1863,7 @@ namespace WebSocketSharp
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return;
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}
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var rawData = Encoding.UTF8.GetBytes (data);
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if (rawData.LongLength <= FragmentLength)
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send (Opcode.Text, rawData);
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else
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send (Opcode.Text, new MemoryStream (rawData));
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send (Opcode.Text, new MemoryStream (Encoding.UTF8.GetBytes (data)));
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}
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/// <summary>
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@ -1929,14 +1890,7 @@ namespace WebSocketSharp
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return;
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}
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var len = data.LongLength;
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if (len <= FragmentLength)
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sendAsync (
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Opcode.Binary,
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len > 0 && _client && _compression == CompressionMethod.None ? data.Copy (len) : data,
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completed);
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else
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sendAsync (Opcode.Binary, new MemoryStream (data), completed);
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sendAsync (Opcode.Binary, new MemoryStream (data), completed);
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}
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/// <summary>
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@ -1991,11 +1945,7 @@ namespace WebSocketSharp
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return;
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}
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var rawData = Encoding.UTF8.GetBytes (data);
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if (rawData.LongLength <= FragmentLength)
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sendAsync (Opcode.Text, rawData, completed);
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else
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sendAsync (Opcode.Text, new MemoryStream (rawData), completed);
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sendAsync (Opcode.Text, new MemoryStream (Encoding.UTF8.GetBytes (data)), completed);
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}
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/// <summary>
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@ -2048,10 +1998,7 @@ namespace WebSocketSharp
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length,
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len));
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var sent = len <= FragmentLength
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? send (Opcode.Binary, data)
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: send (Opcode.Binary, new MemoryStream (data));
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var sent = send (Opcode.Binary, new MemoryStream (data));
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if (completed != null)
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completed (sent);
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},
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