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Unified Diff: remoting/protocol/channel_dispatcher_base.h

Issue 8587053: Remove event_channel() and control_channel() from Session interface. (Closed) Base URL: svn://svn.chromium.org/chrome/trunk/src
Patch Set: - Created 9 years, 1 month ago
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Index: remoting/protocol/channel_dispatcher_base.h
diff --git a/remoting/protocol/channel_dispatcher_base.h b/remoting/protocol/channel_dispatcher_base.h
new file mode 100644
index 0000000000000000000000000000000000000000..26a8d2b5498c250c0535062a7d78fb48defb7eaf
--- /dev/null
+++ b/remoting/protocol/channel_dispatcher_base.h
@@ -0,0 +1,65 @@
+// Copyright (c) 2011 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_CHANNEL_DISPATCHER_BASE_H_
+#define REMOTING_PROTOCOL_CHANNEL_DISPATCHER_BASE_H_
+
+#include <string>
+
+#include "base/basictypes.h"
+#include "base/callback.h"
+#include "base/memory/scoped_ptr.h"
+
+namespace net {
+class StreamSocket;
+} // namespace net
+
+namespace remoting {
+namespace protocol {
+
+class Session;
+
+// Base class for channel message dispatchers. It's responsible for
+// creating the named channel. Derived dispatchers then dispatch
+// incoming messages on this channel as well as send outgoing
+// messages.
+class ChannelDispatcherBase {
+ public:
+ // The callback is called when initialization is finished. The
+ // parameter is set to true on success.
+ typedef base::Callback<void(bool)> InitializedCallback;
+
+ virtual ~ChannelDispatcherBase();
+
+ // Creates and connects the channel in the specified
+ // |session|. Caller retains ownership of the Session.
+ void Init(Session* session, const InitializedCallback& callback);
+
+ // Returns true if the channel is currently connected.
+ bool is_connected() { return channel() != NULL; }
+
+ protected:
+ explicit ChannelDispatcherBase(const char* channel_name);
+
+ net::StreamSocket* channel() { return channel_.get(); }
+
+ // Called when channel is initialized. Must be overriden in the
+ // child classes. Should not delete the dispatcher.
+ virtual void OnInitialized() = 0;
+
+ private:
+ void OnChannelReady(net::StreamSocket* socket);
+
+ std::string channel_name_;
+ Session* session_;
+ InitializedCallback initialized_callback_;
+ scoped_ptr<net::StreamSocket> channel_;
+
+ DISALLOW_COPY_AND_ASSIGN(ChannelDispatcherBase);
+};
+
+} // namespace protocol
+} // namespace remoting
+
+#endif // REMOTING_PROTOCOL_CHANNEL_DISPATCHER_BASE_H_
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