Adding the ability to change ICE servers through SetConfiguration.

webrtc/p2p/base/portallocator.h

 /*
  *  Copyright 2004 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_BASE_PORTALLOCATOR_H_
 #define WEBRTC_P2P_BASE_PORTALLOCATOR_H_
 
 #include <string>
 #include <vector>
 
+#include "webrtc/p2p/base/port.h"
 #include "webrtc/p2p/base/portinterface.h"
 #include "webrtc/base/helpers.h"
 #include "webrtc/base/proxyinfo.h"
 #include "webrtc/base/sigslot.h"
 
 namespace cricket {
 
 // PortAllocator is responsible for allocating Port types for a given
 // P2PSocket. It also handles port freeing.
 //
@@ skipping 37 matching lines @@
 
 // CF = CANDIDATE FILTER
 enum {
   CF_NONE = 0x0,
   CF_HOST = 0x1,
   CF_REFLEXIVE = 0x2,
   CF_RELAY = 0x4,
   CF_ALL = 0x7,
 };
 
+struct RelayCredentials {
+  RelayCredentials() {}
+  RelayCredentials(const std::string& username, const std::string& password)
+      : username(username), password(password) {}
+
+  std::string username;
+  std::string password;
+};
+
+typedef std::vector<ProtocolAddress> PortList;
+// TODO(deadbeef): Rename to TurnServerConfig.

[pthatcher1, 2015/10/20 22:22:00]

And RelayCredentials to TurnCredentials?

[Taylor Brandstetter, 2015/10/20 23:45:29]

Added TODO there as well.

+struct RelayServerConfig {
+  RelayServerConfig(RelayType type) : type(type), priority(0) {}
+
+  RelayType type;
+  PortList ports;
+  RelayCredentials credentials;
+  int priority;
+};
+
 class PortAllocatorSession : public sigslot::has_slots<> {
  public:
   // Content name passed in mostly for logging and debugging.
   PortAllocatorSession(const std::string& content_name,
                        int component,
                        const std::string& ice_ufrag,
                        const std::string& ice_pwd,
                        uint32_t flags);
 
   // Subclasses should clean up any ports created.
@@ skipping 46 matching lines @@
       flags_(kDefaultPortAllocatorFlags),
       min_port_(0),
       max_port_(0),
       step_delay_(kDefaultStepDelay),
       allow_tcp_listen_(true),
       candidate_filter_(CF_ALL) {
     // This will allow us to have old behavior on non webrtc clients.
   }
   virtual ~PortAllocator() {}
 
+  // Set STUN and TURN servers to be used in future sessions.
+  virtual void SetIceServers(
+      const ServerAddresses& stun_servers,
+      const std::vector<RelayServerConfig>& turn_servers) = 0;
+
   PortAllocatorSession* CreateSession(
       const std::string& sid,
       const std::string& content_name,
       int component,
       const std::string& ice_ufrag,
       const std::string& ice_pwd);
 
   uint32_t flags() const { return flags_; }
   void set_flags(uint32_t flags) { flags_ = flags; }
 
@@ skipping 50 matching lines @@
   int max_port_;
   uint32_t step_delay_;
   bool allow_tcp_listen_;
   uint32_t candidate_filter_;
   std::string origin_;
 };
 
 }  // namespace cricket
 
 #endif  // WEBRTC_P2P_BASE_PORTALLOCATOR_H_