Send back ping response if the ping comes from an unknown address.

webrtc/p2p/client/fakeportallocator.h

 /*
  *  Copyright 2010 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_CLIENT_FAKEPORTALLOCATOR_H_
 #define WEBRTC_P2P_CLIENT_FAKEPORTALLOCATOR_H_
 
 #include <string>
 #include "webrtc/p2p/base/basicpacketsocketfactory.h"
 #include "webrtc/p2p/base/portallocator.h"
 #include "webrtc/p2p/base/udpport.h"
 #include "webrtc/base/scoped_ptr.h"
 
 namespace rtc {
 class SocketFactory;
 class Thread;
 }
 
 namespace cricket {
 
+class TestUDPPort : public UDPPort {
+ public:
+  static TestUDPPort* Create(rtc::Thread* thread,
+                             rtc::PacketSocketFactory* factory,
+                             rtc::Network* network,
+                             const rtc::IPAddress& ip,
+                             uint16_t min_port,
+                             uint16_t max_port,
+                             const std::string& username,
+                             const std::string& password,
+                             const std::string& origin,
+                             bool emit_localhost_for_anyaddress) {
+    TestUDPPort* port = new TestUDPPort(thread, factory, network, ip, min_port,
+                                        max_port, username, password, origin,
+                                        emit_localhost_for_anyaddress);
+    if (!port->Init()) {
+      delete port;
+      port = nullptr;
+    }
+    return port;
+  }
+  void SendBindingResponse(StunMessage* request,
+                           const rtc::SocketAddress& addr) override {
+    UDPPort::SendBindingResponse(request, addr);
+    sent_binding_response_ = true;
+  }
+  bool sent_binding_response() { return sent_binding_response_; }
+  void set_sent_binding_response(bool response) {
+    sent_binding_response_ = response;
+  }
+
+ protected:
+  TestUDPPort(rtc::Thread* thread,
+              rtc::PacketSocketFactory* factory,
+              rtc::Network* network,
+              const rtc::IPAddress& ip,
+              uint16_t min_port,
+              uint16_t max_port,
+              const std::string& username,
+              const std::string& password,
+              const std::string& origin,
+              bool emit_localhost_for_anyaddress)
+      : UDPPort(thread,
+                factory,
+                network,
+                ip,
+                min_port,
+                max_port,
+                username,
+                password,
+                origin,
+                emit_localhost_for_anyaddress) {}
+
+  bool sent_binding_response_ = false;
+};
+
 class FakePortAllocatorSession : public PortAllocatorSession {
  public:
   FakePortAllocatorSession(rtc::Thread* worker_thread,
                            rtc::PacketSocketFactory* factory,
                            const std::string& content_name,
                            int component,
                            const std::string& ice_ufrag,
                            const std::string& ice_pwd)
       : PortAllocatorSession(content_name, component, ice_ufrag, ice_pwd,
                              cricket::kDefaultPortAllocatorFlags),
         worker_thread_(worker_thread),
         factory_(factory),
         network_("network", "unittest",
                  rtc::IPAddress(INADDR_LOOPBACK), 8),
         port_(), running_(false),
         port_config_count_(0) {
     network_.AddIP(rtc::IPAddress(INADDR_LOOPBACK));
   }
 
   virtual void StartGettingPorts() {
     if (!port_) {
-      port_.reset(cricket::UDPPort::Create(worker_thread_,
-                                           factory_,
-                                           &network_,
-                                           network_.GetBestIP(),
-                                           0,
-                                           0,
-                                           username(),
-                                           password(),
-                                           std::string(),
-                                           false));
+      port_.reset(TestUDPPort::Create(worker_thread_, factory_, &network_,
+                                      network_.GetBestIP(), 0, 0, username(),
+                                      password(), std::string(), false));
       AddPort(port_.get());
     }
     ++port_config_count_;
     running_ = true;
   }
 
   virtual void StopGettingPorts() { running_ = false; }
   virtual bool IsGettingPorts() { return running_; }
   virtual void ClearGettingPorts() {}
 
@@ skipping 44 matching lines @@
 
  private:
   rtc::Thread* worker_thread_;
   rtc::PacketSocketFactory* factory_;
   rtc::scoped_ptr<rtc::BasicPacketSocketFactory> owned_factory_;
 };
 
 }  // namespace cricket
 
 #endif  // WEBRTC_P2P_CLIENT_FAKEPORTALLOCATOR_H_