Adds trunk/talk folder of revision 359 from libjingles google code to
trunk/talk
git-svn-id: http://webrtc.googlecode.com/svn/trunk@4318 4adac7df-926f-26a2-2b94-8c16560cd09d
diff --git a/talk/base/asyncpacketsocket.h b/talk/base/asyncpacketsocket.h
new file mode 100644
index 0000000..a88f770
--- /dev/null
+++ b/talk/base/asyncpacketsocket.h
@@ -0,0 +1,108 @@
+/*
+ * libjingle
+ * Copyright 2004--2005, Google Inc.
+ *
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions are met:
+ *
+ * 1. Redistributions of source code must retain the above copyright notice,
+ * this list of conditions and the following disclaimer.
+ * 2. Redistributions in binary form must reproduce the above copyright notice,
+ * this list of conditions and the following disclaimer in the documentation
+ * and/or other materials provided with the distribution.
+ * 3. The name of the author may not be used to endorse or promote products
+ * derived from this software without specific prior written permission.
+ *
+ * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR IMPLIED
+ * WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF
+ * MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO
+ * EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
+ * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
+ * PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS;
+ * OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY,
+ * WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR
+ * OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF
+ * ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+ */
+
+#ifndef TALK_BASE_ASYNCPACKETSOCKET_H_
+#define TALK_BASE_ASYNCPACKETSOCKET_H_
+
+#include "talk/base/sigslot.h"
+#include "talk/base/socket.h"
+
+namespace talk_base {
+
+// Provides the ability to receive packets asynchronously. Sends are not
+// buffered since it is acceptable to drop packets under high load.
+class AsyncPacketSocket : public sigslot::has_slots<> {
+ public:
+ enum State {
+ STATE_CLOSED,
+ STATE_BINDING,
+ STATE_BOUND,
+ STATE_CONNECTING,
+ STATE_CONNECTED
+ };
+
+ AsyncPacketSocket() { }
+ virtual ~AsyncPacketSocket() { }
+
+ // Returns current local address. Address may be set to NULL if the
+ // socket is not bound yet (GetState() returns STATE_BINDING).
+ virtual SocketAddress GetLocalAddress() const = 0;
+
+ // Returns remote address. Returns zeroes if this is not a client TCP socket.
+ virtual SocketAddress GetRemoteAddress() const = 0;
+
+ // Send a packet.
+ virtual int Send(const void *pv, size_t cb) = 0;
+ virtual int SendTo(const void *pv, size_t cb, const SocketAddress& addr) = 0;
+
+ // Close the socket.
+ virtual int Close() = 0;
+
+ // Returns current state of the socket.
+ virtual State GetState() const = 0;
+
+ // Get/set options.
+ virtual int GetOption(Socket::Option opt, int* value) = 0;
+ virtual int SetOption(Socket::Option opt, int value) = 0;
+
+ // Get/Set current error.
+ // TODO: Remove SetError().
+ virtual int GetError() const = 0;
+ virtual void SetError(int error) = 0;
+
+ // Emitted each time a packet is read. Used only for UDP and
+ // connected TCP sockets.
+ sigslot::signal4<AsyncPacketSocket*, const char*, size_t,
+ const SocketAddress&> SignalReadPacket;
+
+ // Emitted when the socket is currently able to send.
+ sigslot::signal1<AsyncPacketSocket*> SignalReadyToSend;
+
+ // Emitted after address for the socket is allocated, i.e. binding
+ // is finished. State of the socket is changed from BINDING to BOUND
+ // (for UDP and server TCP sockets) or CONNECTING (for client TCP
+ // sockets).
+ sigslot::signal2<AsyncPacketSocket*, const SocketAddress&> SignalAddressReady;
+
+ // Emitted for client TCP sockets when state is changed from
+ // CONNECTING to CONNECTED.
+ sigslot::signal1<AsyncPacketSocket*> SignalConnect;
+
+ // Emitted for client TCP sockets when state is changed from
+ // CONNECTED to CLOSED.
+ sigslot::signal2<AsyncPacketSocket*, int> SignalClose;
+
+ // Used only for listening TCP sockets.
+ sigslot::signal2<AsyncPacketSocket*, AsyncPacketSocket*> SignalNewConnection;
+
+ private:
+ DISALLOW_EVIL_CONSTRUCTORS(AsyncPacketSocket);
+};
+
+} // namespace talk_base
+
+#endif // TALK_BASE_ASYNCPACKETSOCKET_H_