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authorBen Murdoch <benm@google.com>2010-09-13 14:14:40 +0100
committerBen Murdoch <benm@google.com>2010-09-13 14:15:50 +0100
commitf74420b3285b9fe04a7e00aa3b8c0ab07ea344bc (patch)
tree38a5a185aef5b39d4880bf65ecbd132e7a3514e9 /third_party/libjingle/source/talk/p2p/base/transportchannelimpl.h
parentd90229595b741bfdb2f8cd50a7eeba55330abf78 (diff)
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Add libjingle to third_party
AutoFill requires this for it's XML parsing. Added from chromium src@52593 Change-Id: Ie0b1f600ed3a470f5d7eb4f939eba2f1d71e6fbe
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+/*
+ * 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_P2P_BASE_TRANSPORTCHANNELIMPL_H_
+#define TALK_P2P_BASE_TRANSPORTCHANNELIMPL_H_
+
+#include <string>
+#include "talk/p2p/base/transportchannel.h"
+
+namespace buzz { class XmlElement; }
+
+namespace cricket {
+
+class Transport;
+class Candidate;
+
+// Base class for real implementations of TransportChannel. This includes some
+// methods called only by Transport, which do not need to be exposed to the
+// client.
+class TransportChannelImpl : public TransportChannel {
+ public:
+ TransportChannelImpl(const std::string& name, const std::string& session_type)
+ : TransportChannel(name, session_type) {}
+
+ // Returns the transport that created this channel.
+ virtual Transport* GetTransport() = 0;
+
+ // Begins the process of attempting to make a connection to the other client.
+ virtual void Connect() = 0;
+
+ // Resets this channel back to the initial state (i.e., not connecting).
+ virtual void Reset() = 0;
+
+ // Allows an individual channel to request signaling and be notified when it
+ // is ready. This is useful if the individual named channels have need to
+ // send their own transport-info stanzas.
+ sigslot::signal0<> SignalRequestSignaling;
+ virtual void OnSignalingReady() = 0;
+
+ // Handles sending and receiving of candidates. The Transport
+ // receives the candidates and may forward them to the relevant
+ // channel.
+ //
+ // Note: Since candidates are delivered asynchronously to the
+ // channel, they cannot return an error if the message is invalid.
+ // It is assumed that the Transport will have checked validity
+ // before forwarding.
+ sigslot::signal2<TransportChannelImpl*,
+ const Candidate&> SignalCandidateReady;
+ virtual void OnCandidate(const Candidate& candidate) = 0;
+ private:
+ DISALLOW_EVIL_CONSTRUCTORS(TransportChannelImpl);
+};
+
+} // namespace cricket
+
+#endif // TALK_P2P_BASE_TRANSPORTCHANNELIMPL_H_