Move webrtc/{base => rtc_base}

webrtc/base/natsocketfactory.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_BASE_NATSOCKETFACTORY_H_
 #define WEBRTC_BASE_NATSOCKETFACTORY_H_
 
-#include <string>
-#include <map>
-#include <memory>
-#include <set>
 
-#include "webrtc/base/constructormagic.h"
-#include "webrtc/base/natserver.h"
-#include "webrtc/base/socketaddress.h"
-#include "webrtc/base/socketserver.h"
-
-namespace rtc {
-
-const size_t kNATEncodedIPv4AddressSize = 8U;
-const size_t kNATEncodedIPv6AddressSize = 20U;
-
-// Used by the NAT socket implementation.
-class NATInternalSocketFactory {
- public:
-  virtual ~NATInternalSocketFactory() {}
-  virtual AsyncSocket* CreateInternalSocket(int family, int type,
-      const SocketAddress& local_addr, SocketAddress* nat_addr) = 0;
-};
-
-// Creates sockets that will send all traffic through a NAT, using an existing
-// NATServer instance running at nat_addr. The actual data is sent using sockets
-// from a socket factory, given to the constructor.
-class NATSocketFactory : public SocketFactory, public NATInternalSocketFactory {
- public:
-  NATSocketFactory(SocketFactory* factory, const SocketAddress& nat_udp_addr,
-                   const SocketAddress& nat_tcp_addr);
-
-  // SocketFactory implementation
-  Socket* CreateSocket(int type) override;
-  Socket* CreateSocket(int family, int type) override;
-  AsyncSocket* CreateAsyncSocket(int type) override;
-  AsyncSocket* CreateAsyncSocket(int family, int type) override;
-
-  // NATInternalSocketFactory implementation
-  AsyncSocket* CreateInternalSocket(int family,
-                                    int type,
-                                    const SocketAddress& local_addr,
-                                    SocketAddress* nat_addr) override;
-
- private:
-  SocketFactory* factory_;
-  SocketAddress nat_udp_addr_;
-  SocketAddress nat_tcp_addr_;
-  RTC_DISALLOW_COPY_AND_ASSIGN(NATSocketFactory);
-};
-
-// Creates sockets that will send traffic through a NAT depending on what
-// address they bind to. This can be used to simulate a client on a NAT sending
-// to a client that is not behind a NAT.
-// Note that the internal addresses of clients must be unique. This is because
-// there is only one socketserver per thread, and the Bind() address is used to
-// figure out which NAT (if any) the socket should talk to.
-//
-// Example with 3 NATs (2 cascaded), and 3 clients.
-// ss->AddTranslator("1.2.3.4", "192.168.0.1", NAT_ADDR_RESTRICTED);
-// ss->AddTranslator("99.99.99.99", "10.0.0.1", NAT_SYMMETRIC)->
-//     AddTranslator("10.0.0.2", "192.168.1.1", NAT_OPEN_CONE);
-// ss->GetTranslator("1.2.3.4")->AddClient("1.2.3.4", "192.168.0.2");
-// ss->GetTranslator("99.99.99.99")->AddClient("10.0.0.3");
-// ss->GetTranslator("99.99.99.99")->GetTranslator("10.0.0.2")->
-//     AddClient("192.168.1.2");
-class NATSocketServer : public SocketServer, public NATInternalSocketFactory {
- public:
-  class Translator;
-  // holds a list of NATs
-  class TranslatorMap : private std::map<SocketAddress, Translator*> {
-   public:
-    ~TranslatorMap();
-    Translator* Get(const SocketAddress& ext_ip);
-    Translator* Add(const SocketAddress& ext_ip, Translator*);
-    void Remove(const SocketAddress& ext_ip);
-    Translator* FindClient(const SocketAddress& int_ip);
-  };
-
-  // a specific NAT
-  class Translator {
-   public:
-    Translator(NATSocketServer* server, NATType type,
-               const SocketAddress& int_addr, SocketFactory* ext_factory,
-               const SocketAddress& ext_addr);
-    ~Translator();
-
-    SocketFactory* internal_factory() { return internal_factory_.get(); }
-    SocketAddress internal_udp_address() const {
-      return nat_server_->internal_udp_address();
-    }
-    SocketAddress internal_tcp_address() const {
-      return SocketAddress();  // nat_server_->internal_tcp_address();
-    }
-
-    Translator* GetTranslator(const SocketAddress& ext_ip);
-    Translator* AddTranslator(const SocketAddress& ext_ip,
-                              const SocketAddress& int_ip, NATType type);
-    void RemoveTranslator(const SocketAddress& ext_ip);
-
-    bool AddClient(const SocketAddress& int_ip);
-    void RemoveClient(const SocketAddress& int_ip);
-
-    // Looks for the specified client in this or a child NAT.
-    Translator* FindClient(const SocketAddress& int_ip);
-
-   private:
-    NATSocketServer* server_;
-    std::unique_ptr<SocketFactory> internal_factory_;
-    std::unique_ptr<NATServer> nat_server_;
-    TranslatorMap nats_;
-    std::set<SocketAddress> clients_;
-  };
-
-  explicit NATSocketServer(SocketServer* ss);
-
-  SocketServer* socketserver() { return server_; }
-  MessageQueue* queue() { return msg_queue_; }
-
-  Translator* GetTranslator(const SocketAddress& ext_ip);
-  Translator* AddTranslator(const SocketAddress& ext_ip,
-                            const SocketAddress& int_ip, NATType type);
-  void RemoveTranslator(const SocketAddress& ext_ip);
-
-  // SocketServer implementation
-  Socket* CreateSocket(int type) override;
-  Socket* CreateSocket(int family, int type) override;
-
-  AsyncSocket* CreateAsyncSocket(int type) override;
-  AsyncSocket* CreateAsyncSocket(int family, int type) override;
-
-  void SetMessageQueue(MessageQueue* queue) override;
-  bool Wait(int cms, bool process_io) override;
-  void WakeUp() override;
-
-  // NATInternalSocketFactory implementation
-  AsyncSocket* CreateInternalSocket(int family,
-                                    int type,
-                                    const SocketAddress& local_addr,
-                                    SocketAddress* nat_addr) override;
-
- private:
-  SocketServer* server_;
-  MessageQueue* msg_queue_;
-  TranslatorMap nats_;
-  RTC_DISALLOW_COPY_AND_ASSIGN(NATSocketServer);
-};
-
-// Free-standing NAT helper functions.
-size_t PackAddressForNAT(char* buf, size_t buf_size,
-                         const SocketAddress& remote_addr);
-size_t UnpackAddressFromNAT(const char* buf, size_t buf_size,
-                            SocketAddress* remote_addr);
-}  // namespace rtc
+// This header is deprecated and is just left here temporarily during
+// refactoring. See https://bugs.webrtc.org/7634 for more details.
+#include "webrtc/rtc_base/natsocketfactory.h"
 
 #endif  // WEBRTC_BASE_NATSOCKETFACTORY_H_