gecko-dev/media/mtransport/transportlayerprsock.h

121 строка
2.8 KiB
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/* -*- Mode: C++; tab-width: 8; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
/* vim: set ts=2 et sw=2 tw=80: */
/* This Source Code Form is subject to the terms of the Mozilla Public
* License, v. 2.0. If a copy of the MPL was not distributed with this file,
* You can obtain one at http://mozilla.org/MPL/2.0/. */
// Original author: ekr@rtfm.com
#ifndef transportlayerprsock_h__
#define transportlayerprsock_h__
#include "nspr.h"
#include "prio.h"
#include "nsASocketHandler.h"
#include "nsCOMPtr.h"
#include "nsISocketTransportService.h"
#include "nsXPCOM.h"
#include "m_cpp_utils.h"
#include "transportflow.h"
#include "transportlayer.h"
namespace mozilla {
class TransportLayerPrsock : public TransportLayer {
public:
TransportLayerPrsock() : fd_(nullptr), handler_() {}
virtual ~TransportLayerPrsock() {
Detach();
}
// Internal initializer
virtual nsresult InitInternal();
void Import(PRFileDesc *fd, nsresult *result);
void Detach() {
handler_->Detach();
}
// Implement TransportLayer
virtual TransportResult SendPacket(const unsigned char *data, size_t len);
TRANSPORT_LAYER_ID("prsock")
private:
DISALLOW_COPY_ASSIGN(TransportLayerPrsock);
// Inner class
class SocketHandler : public nsASocketHandler {
public:
SocketHandler(TransportLayerPrsock *prsock, PRFileDesc *fd) :
prsock_(prsock), fd_(fd) {
mPollFlags = PR_POLL_READ;
}
void Detach() {
mCondition = NS_BASE_STREAM_CLOSED;
prsock_ = nullptr;
}
// Implement nsASocket
virtual void OnSocketReady(PRFileDesc *fd, int16_t outflags) {
if (prsock_) {
prsock_->OnSocketReady(fd, outflags);
}
}
virtual void OnSocketDetached(PRFileDesc *fd) {
if (prsock_) {
prsock_->OnSocketDetached(fd);
}
PR_Close(fd_);
}
virtual void IsLocal(bool *aIsLocal) {
// TODO(jesup): better check? Does it matter? (likely no)
*aIsLocal = false;
}
virtual uint64_t ByteCountSent() { return 0; }
virtual uint64_t ByteCountReceived() { return 0; }
// nsISupports methods
NS_DECL_THREADSAFE_ISUPPORTS
private:
TransportLayerPrsock *prsock_;
PRFileDesc *fd_;
private:
DISALLOW_COPY_ASSIGN(SocketHandler);
virtual ~SocketHandler() {}
};
// Allow SocketHandler to talk to our APIs
friend class SocketHandler;
// Functions to be called by SocketHandler
void OnSocketReady(PRFileDesc *fd, int16_t outflags);
void OnSocketDetached(PRFileDesc *fd) {
TL_SET_STATE(TS_CLOSED);
}
void IsLocal(bool *aIsLocal) {
// TODO(jesup): better check? Does it matter? (likely no)
*aIsLocal = false;
}
PRFileDesc *fd_;
nsRefPtr<SocketHandler> handler_;
nsCOMPtr<nsISocketTransportService> stservice_;
};
} // close namespace
#endif