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Unified Diff: remoting/protocol/p2p_datagram_socket.h

Issue 1197853003: Add P2PDatagramSocket and P2PStreamSocket interfaces. (Closed) Base URL: https://chromium.googlesource.com/chromium/src.git@master
Patch Set: Created 5 years, 5 months ago
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Index: remoting/protocol/p2p_datagram_socket.h
diff --git a/remoting/protocol/p2p_datagram_socket.h b/remoting/protocol/p2p_datagram_socket.h
new file mode 100644
index 0000000000000000000000000000000000000000..13662232c87cef3e8a42649fff402c96928d4f38
--- /dev/null
+++ b/remoting/protocol/p2p_datagram_socket.h
@@ -0,0 +1,49 @@
+// Copyright 2015 The Chromium Authors. All rights reserved.
+// Use of this source code is governed by a BSD-style license that can be
+// found in the LICENSE file.
+
+#ifndef REMOTING_PROTOCOL_P2P_DATAGRAM_SOCKET_H_
+#define REMOTING_PROTOCOL_P2P_DATAGRAM_SOCKET_H_
+
+#include "net/base/completion_callback.h"
+
+namespace net {
+class IOBuffer;
+} // namespace net
+
+namespace remoting {
+namespace protocol {
+
+// Peer-to-peer socket with datagram semantics.
+class P2PDatagramSocket {
+ public:
+ virtual ~P2PDatagramSocket() {};
+
+ // Receives a packet, up to |buf_len| bytes, from the socket. Size of the
+ // incoming packet is returned in case of success. If the packet is larger
+ // than |buf_len| then it is truncated, i.e. only the first |buf_len| bytes
+ // are stored in the buffer. In case of failure a net error code is returned.
+ // ERR_IO_PENDING is returned if the operation could not be completed
+ // synchronously, in which case the result will be passed to the callback when
+ // available. If the operation is not completed immediately, the socket
+ // acquires a reference to the provided buffer until the callback is invoked
+ // or the socket is closed. If the socket is destroyed before the read
+ // completes, the callback will not be invoked.
+ virtual int Recv(const scoped_refptr<net::IOBuffer>& buf, int buf_len,
+ const net::CompletionCallback& callback) = 0;
+
+ // Sends a packet. Returns |buf_len| to indicate success, otherwise a net
+ // error code is returned. ERR_IO_PENDING is returned if the operation could
+ // not be completed synchronously, in which case the result will be passed to
+ // the callback when available. If the operation is not completed immediately,
+ // the socket acquires a reference to the provided buffer until the callback
+ // is invoked or the socket is closed. Implementations of this method should
+ // not modify the contents of the actual buffer that is written to the socket.
+ virtual int Send(const scoped_refptr<net::IOBuffer>& buf, int buf_len,
+ const net::CompletionCallback& callback) = 0;
+};
+
+} // namespace protocol
+} // namespace remoting
+
+#endif // REMOTING_PROTOCOL_P2P_DATAGRAM_SOCKET_H_
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