Modify PeerConnection for end-to-end QuicDataChannel usage

webrtc/p2p/quic/quictransport.h

+/*
+ *  Copyright 2016 The WebRTC Project Authors. All rights reserved.
+ *
+ *  Use of this source code is governed by a BSD-style license
+ *  that can be found in the LICENSE file in the root of the source
+ *  tree. An additional intellectual property rights grant can be found
+ *  in the file PATENTS.  All contributing project authors may
+ *  be found in the AUTHORS file in the root of the source tree.
+ */
+
+#ifndef WEBRTC_P2P_QUIC_QUICTRANSPORT_H_
+#define WEBRTC_P2P_QUIC_QUICTRANSPORT_H_
+
+#include <string>
+#include <map>
+
+#include "webrtc/p2p/base/transport.h"
+#include "webrtc/p2p/quic/quictransportchannel.h"
+
+namespace cricket {
+
+class P2PTransportChannel;
+class PortAllocator;
+
+class QuicTransport : public Transport {
+ public:
+  QuicTransport(const std::string& name,
+                PortAllocator* allocator,
+                const rtc::scoped_refptr<rtc::RTCCertificate>& certificate);
+
+  ~QuicTransport() override;
+
+  // Transport overrides.
+  void SetLocalCertificate(
+      const rtc::scoped_refptr<rtc::RTCCertificate>& certificate) override;
+  bool GetLocalCertificate(
+      rtc::scoped_refptr<rtc::RTCCertificate>* certificate) override;
+  bool SetSslMaxProtocolVersion(rtc::SSLProtocolVersion version) override {
+    return true;  // Not needed by QUIC
+  }
+  bool GetSslRole(rtc::SSLRole* ssl_role) const override;
+
+ protected:
+  // Transport overrides.
+  QuicTransportChannel* CreateTransportChannel(int component) override;
+  void DestroyTransportChannel(TransportChannelImpl* channel) override;
+  bool ApplyLocalTransportDescription(TransportChannelImpl* channel,
+                                      std::string* error_desc) override;
+  bool NegotiateTransportDescription(ContentAction local_role,
+                                     std::string* error_desc) override;
+  bool ApplyNegotiatedTransportDescription(TransportChannelImpl* channel,
+                                           std::string* error_desc) override;
+
+ private:
+  // QuicTransportChannel* => P2PTransportChanel* map that contains
+  // transport channels owned by this class. DestroyTransportChannel() uses this
+  // to delete the transport channels.
+  std::map<TransportChannelImpl*, P2PTransportChannel*>
+      ice_channel_by_quic_channel_;
+  rtc::scoped_refptr<rtc::RTCCertificate> certificate_;
+  rtc::SSLRole secure_role_;
+  rtc::scoped_ptr<rtc::SSLFingerprint> remote_fingerprint_;
+};
+
+}  // namespace cricket
+
+#endif  // WEBRTC_P2P_QUIC_QUICTRANSPORT_H_