media/mtransport/transportlayerprsock.h

changeset 0
6474c204b198
     1.1 --- /dev/null	Thu Jan 01 00:00:00 1970 +0000
     1.2 +++ b/media/mtransport/transportlayerprsock.h	Wed Dec 31 06:09:35 2014 +0100
     1.3 @@ -0,0 +1,120 @@
     1.4 +/* -*- Mode: C++; tab-width: 8; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
     1.5 +/* vim: set ts=2 et sw=2 tw=80: */
     1.6 +/* This Source Code Form is subject to the terms of the Mozilla Public
     1.7 + * License, v. 2.0. If a copy of the MPL was not distributed with this file,
     1.8 + * You can obtain one at http://mozilla.org/MPL/2.0/. */
     1.9 +
    1.10 +// Original author: ekr@rtfm.com
    1.11 +
    1.12 +#ifndef transportlayerprsock_h__
    1.13 +#define transportlayerprsock_h__
    1.14 +
    1.15 +#include "nspr.h"
    1.16 +#include "prio.h"
    1.17 +
    1.18 +#include "nsASocketHandler.h"
    1.19 +#include "nsCOMPtr.h"
    1.20 +#include "nsISocketTransportService.h"
    1.21 +#include "nsXPCOM.h"
    1.22 +
    1.23 +#include "m_cpp_utils.h"
    1.24 +#include "transportflow.h"
    1.25 +#include "transportlayer.h"
    1.26 +
    1.27 +namespace mozilla {
    1.28 +
    1.29 +class TransportLayerPrsock : public TransportLayer {
    1.30 + public:
    1.31 +  TransportLayerPrsock() : fd_(nullptr), handler_() {}
    1.32 +
    1.33 +  virtual ~TransportLayerPrsock() {
    1.34 +    Detach();
    1.35 +  }
    1.36 +
    1.37 +
    1.38 +  // Internal initializer
    1.39 +  virtual nsresult InitInternal();
    1.40 +
    1.41 +  void Import(PRFileDesc *fd, nsresult *result);
    1.42 +
    1.43 +  void Detach() {
    1.44 +    handler_->Detach();
    1.45 +  }
    1.46 +
    1.47 +  // Implement TransportLayer
    1.48 +  virtual TransportResult SendPacket(const unsigned char *data, size_t len);
    1.49 +
    1.50 +  TRANSPORT_LAYER_ID("prsock")
    1.51 +
    1.52 + private:
    1.53 +  DISALLOW_COPY_ASSIGN(TransportLayerPrsock);
    1.54 +
    1.55 +  // Inner class
    1.56 +  class SocketHandler : public nsASocketHandler {
    1.57 +   public:
    1.58 +      SocketHandler(TransportLayerPrsock *prsock, PRFileDesc *fd) :
    1.59 +        prsock_(prsock), fd_(fd) {
    1.60 +        mPollFlags = PR_POLL_READ;
    1.61 +      }
    1.62 +      virtual ~SocketHandler() {}
    1.63 +
    1.64 +      void Detach() {
    1.65 +        mCondition = NS_BASE_STREAM_CLOSED;
    1.66 +        prsock_ = nullptr;
    1.67 +      }
    1.68 +
    1.69 +      // Implement nsASocket
    1.70 +      virtual void OnSocketReady(PRFileDesc *fd, int16_t outflags) {
    1.71 +        if (prsock_) {
    1.72 +          prsock_->OnSocketReady(fd, outflags);
    1.73 +        }
    1.74 +      }
    1.75 +
    1.76 +      virtual void OnSocketDetached(PRFileDesc *fd) {
    1.77 +        if (prsock_) {
    1.78 +          prsock_->OnSocketDetached(fd);
    1.79 +        }
    1.80 +        PR_Close(fd_);
    1.81 +      }
    1.82 +
    1.83 +      virtual void IsLocal(bool *aIsLocal) {
    1.84 +        // TODO(jesup): better check? Does it matter? (likely no)
    1.85 +        *aIsLocal = false;
    1.86 +      }
    1.87 +
    1.88 +      virtual uint64_t ByteCountSent() { return 0; }
    1.89 +      virtual uint64_t ByteCountReceived() { return 0; }
    1.90 +
    1.91 +      // nsISupports methods
    1.92 +      NS_DECL_THREADSAFE_ISUPPORTS
    1.93 +
    1.94 +      private:
    1.95 +      TransportLayerPrsock *prsock_;
    1.96 +      PRFileDesc *fd_;
    1.97 +   private:
    1.98 +    DISALLOW_COPY_ASSIGN(SocketHandler);
    1.99 +  };
   1.100 +
   1.101 +  // Allow SocketHandler to talk to our APIs
   1.102 +  friend class SocketHandler;
   1.103 +
   1.104 +  // Functions to be called by SocketHandler
   1.105 +  void OnSocketReady(PRFileDesc *fd, int16_t outflags);
   1.106 +  void OnSocketDetached(PRFileDesc *fd) {
   1.107 +    TL_SET_STATE(TS_CLOSED);
   1.108 +  }
   1.109 +  void IsLocal(bool *aIsLocal) {
   1.110 +    // TODO(jesup): better check? Does it matter? (likely no)
   1.111 +    *aIsLocal = false;
   1.112 +  }
   1.113 +
   1.114 +  PRFileDesc *fd_;
   1.115 +  nsRefPtr<SocketHandler> handler_;
   1.116 +  nsCOMPtr<nsISocketTransportService> stservice_;
   1.117 +
   1.118 +};
   1.119 +
   1.120 +
   1.121 +
   1.122 +}  // close namespace
   1.123 +#endif

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