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nr_socket_tcp.h (3832B)


      1 /* -*- Mode: C++; tab-width: 8; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
      2 /* vim: set sw=2 ts=8 et tw=80 ft=cpp : */
      3 /* This Source Code Form is subject to the terms of the Mozilla Public
      4 * License, v. 2.0. If a copy of the MPL was not distributed with this file,
      5 * You can obtain one at http://mozilla.org/MPL/2.0/. */
      6 
      7 /*
      8 Copyright (c) 2007, Adobe Systems, Incorporated
      9 Copyright (c) 2013, Mozilla
     10 
     11 All rights reserved.
     12 
     13 Redistribution and use in source and binary forms, with or without
     14 modification, are permitted provided that the following conditions are
     15 met:
     16 
     17 * Redistributions of source code must retain the above copyright
     18 notice, this list of conditions and the following disclaimer.
     19 
     20 * Redistributions in binary form must reproduce the above copyright
     21 notice, this list of conditions and the following disclaimer in the
     22 documentation and/or other materials provided with the distribution.
     23 
     24 * Neither the name of Adobe Systems, Network Resonance, Mozilla nor
     25 the names of its contributors may be used to endorse or promote
     26 products derived from this software without specific prior written
     27 permission.
     28 
     29 THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
     30 "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
     31 LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
     32 A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
     33 OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
     34 SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
     35 LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
     36 DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
     37 THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
     38 (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
     39 OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
     40 */
     41 
     42 #ifndef nr_socket_tcp_h__
     43 #define nr_socket_tcp_h__
     44 
     45 #include <list>
     46 
     47 #include "mozilla/net/WebrtcTCPSocketCallback.h"
     48 #include "nsTArray.h"
     49 
     50 extern "C" {
     51 #include "nr_api.h"
     52 #include "nr_socket.h"
     53 #include "transport_addr.h"
     54 }
     55 
     56 #include "nr_socket_prsock.h"
     57 
     58 namespace mozilla {
     59 using namespace net;
     60 
     61 namespace net {
     62 class WebrtcTCPSocketWrapper;
     63 }  // namespace net
     64 
     65 class NrTcpSocketData;
     66 class NrSocketProxyConfig;
     67 
     68 class NrTcpSocket : public NrSocketBase, public WebrtcTCPSocketCallback {
     69 public:
     70  NS_INLINE_DECL_THREADSAFE_REFCOUNTING(NrTcpSocket, override)
     71 
     72  explicit NrTcpSocket(const std::shared_ptr<NrSocketProxyConfig>& aConfig);
     73 
     74  // NrSocketBase
     75  int create(nr_transport_addr* aAddr) override;
     76  int connect(const nr_transport_addr* aAddr) override;
     77  void close() override;
     78  int write(const void* aBuffer, size_t aCount, size_t* aWrote) override;
     79  int read(void* aBuffer, size_t aCount, size_t* aRead) override;
     80  int getaddr(nr_transport_addr* aAddr) override;
     81  int sendto(const void* aBuffer, size_t aCount, int aFlags,
     82             const nr_transport_addr* aAddr) override;
     83  int recvfrom(void* aBuffer, size_t aCount, size_t* aRead, int aFlags,
     84               nr_transport_addr* aAddr) override;
     85  int listen(int aBacklog) override;
     86  int accept(nr_transport_addr* aAddr, nr_socket** aSocket) override;
     87 
     88  // WebrtcTCPSocketCallback
     89  void OnClose(nsresult aReason) override;
     90  void OnConnected(const nsACString& aProxyType) override;
     91  void OnRead(nsTArray<uint8_t>&& aReadData) override;
     92 
     93  size_t CountUnreadBytes() const;
     94 
     95  // for gtests
     96  void AssignChannel_DoNotUse(WebrtcTCPSocketWrapper* aWrapper);
     97 
     98 protected:
     99  virtual ~NrTcpSocket();
    100 
    101 private:
    102  void DoCallbacks();
    103 
    104  bool mClosed;
    105 
    106  size_t mReadOffset;
    107  std::list<NrTcpSocketData> mReadQueue;
    108 
    109  std::shared_ptr<NrSocketProxyConfig> mConfig;
    110 
    111  RefPtr<WebrtcTCPSocketWrapper> mWebrtcTCPSocket;
    112 };
    113 
    114 }  // namespace mozilla
    115 
    116 #endif  // nr_socket_tcp_h__