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https://github.com/mozilla/gecko-dev.git
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272 lines
10 KiB
C++
272 lines
10 KiB
C++
/* -*- Mode: C++; tab-width: 8; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
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/* vim: set sw=2 ts=8 et tw=80 : */
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/* ***** BEGIN LICENSE BLOCK *****
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* Version: MPL 1.1/GPL 2.0/LGPL 2.1
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*
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* The contents of this file are subject to the Mozilla Public License Version
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* 1.1 (the "License"); you may not use this file except in compliance with
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* the License. You may obtain a copy of the License at
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* http://www.mozilla.org/MPL/
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*
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* Software distributed under the License is distributed on an "AS IS" basis,
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* WITHOUT WARRANTY OF ANY KIND, either express or implied. See the License
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* for the specific language governing rights and limitations under the
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* License.
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*
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* The Original Code is Mozilla.
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*
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* The Initial Developer of the Original Code is
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* Mozilla Foundation.
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* Portions created by the Initial Developer are Copyright (C) 2010 2011
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* the Initial Developer. All Rights Reserved.
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*
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* Contributor(s):
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* Wellington Fernando de Macedo <wfernandom2004@gmail.com> (original author)
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* Patrick McManus <mcmanus@ducksong.com>
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*
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* Alternatively, the contents of this file may be used under the terms of
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* either of the GNU General Public License Version 2 or later (the "GPL"),
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* or the GNU Lesser General Public License Version 2.1 or later (the "LGPL"),
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* in which case the provisions of the GPL or the LGPL are applicable instead
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* of those above. If you wish to allow use of your version of this file only
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* under the terms of either the GPL or the LGPL, and not to allow others to
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* use your version of this file under the terms of the MPL, indicate your
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* decision by deleting the provisions above and replace them with the notice
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* and other provisions required by the GPL or the LGPL. If you do not delete
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* the provisions above, a recipient may use your version of this file under
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* the terms of any one of the MPL, the GPL or the LGPL.
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*
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* ***** END LICENSE BLOCK ***** */
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#ifndef mozilla_net_WebSocketChannel_h
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#define mozilla_net_WebSocketChannel_h
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#include "nsIURI.h"
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#include "nsISupports.h"
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#include "nsIInterfaceRequestor.h"
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#include "nsIEventTarget.h"
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#include "nsIStreamListener.h"
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#include "nsIProtocolHandler.h"
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#include "nsISocketTransport.h"
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#include "nsIAsyncInputStream.h"
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#include "nsIAsyncOutputStream.h"
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#include "nsILoadGroup.h"
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#include "nsITimer.h"
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#include "nsIDNSListener.h"
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#include "nsIHttpChannel.h"
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#include "nsIChannelEventSink.h"
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#include "nsIAsyncVerifyRedirectCallback.h"
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#include "nsIStringStream.h"
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#include "nsIHttpChannelInternal.h"
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#include "nsIRandomGenerator.h"
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#include "BaseWebSocketChannel.h"
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#include "nsCOMPtr.h"
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#include "nsString.h"
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#include "nsDeque.h"
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namespace mozilla { namespace net {
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class OutboundMessage;
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class OutboundEnqueuer;
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class nsWSAdmissionManager;
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class nsWSCompression;
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class CallOnMessageAvailable;
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class CallOnStop;
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class CallOnServerClose;
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class CallAcknowledge;
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class WebSocketChannel : public BaseWebSocketChannel,
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public nsIHttpUpgradeListener,
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public nsIStreamListener,
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public nsIInputStreamCallback,
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public nsIOutputStreamCallback,
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public nsITimerCallback,
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public nsIDNSListener,
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public nsIInterfaceRequestor,
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public nsIChannelEventSink
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{
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public:
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NS_DECL_ISUPPORTS
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NS_DECL_NSIHTTPUPGRADELISTENER
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NS_DECL_NSIREQUESTOBSERVER
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NS_DECL_NSISTREAMLISTENER
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NS_DECL_NSIINPUTSTREAMCALLBACK
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NS_DECL_NSIOUTPUTSTREAMCALLBACK
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NS_DECL_NSITIMERCALLBACK
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NS_DECL_NSIDNSLISTENER
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NS_DECL_NSIINTERFACEREQUESTOR
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NS_DECL_NSICHANNELEVENTSINK
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// nsIWebSocketChannel methods BaseWebSocketChannel didn't implement for us
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//
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NS_IMETHOD AsyncOpen(nsIURI *aURI,
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const nsACString &aOrigin,
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nsIWebSocketListener *aListener,
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nsISupports *aContext);
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NS_IMETHOD Close(PRUint16 aCode, const nsACString & aReason);
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NS_IMETHOD SendMsg(const nsACString &aMsg);
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NS_IMETHOD SendBinaryMsg(const nsACString &aMsg);
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NS_IMETHOD SendBinaryStream(nsIInputStream *aStream, PRUint32 length);
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NS_IMETHOD GetSecurityInfo(nsISupports **aSecurityInfo);
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WebSocketChannel();
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static void Shutdown();
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enum {
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// Non Control Frames
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kContinuation = 0x0,
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kText = 0x1,
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kBinary = 0x2,
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// Control Frames
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kClose = 0x8,
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kPing = 0x9,
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kPong = 0xA
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};
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const static PRUint32 kControlFrameMask = 0x8;
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const static PRUint8 kMaskBit = 0x80;
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const static PRUint8 kFinalFragBit = 0x80;
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protected:
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virtual ~WebSocketChannel();
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private:
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friend class OutboundEnqueuer;
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friend class nsWSAdmissionManager;
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friend class CallOnMessageAvailable;
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friend class CallOnStop;
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friend class CallOnServerClose;
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friend class CallAcknowledge;
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// Common send code for binary + text msgs
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nsresult SendMsgCommon(const nsACString *aMsg, bool isBinary,
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PRUint32 length, nsIInputStream *aStream = NULL);
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void EnqueueOutgoingMessage(nsDeque &aQueue, OutboundMessage *aMsg);
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void PrimeNewOutgoingMessage();
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void DeleteCurrentOutGoingMessage();
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void GeneratePong(PRUint8 *payload, PRUint32 len);
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void GeneratePing();
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nsresult BeginOpen();
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nsresult HandleExtensions();
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nsresult SetupRequest();
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nsresult ApplyForAdmission();
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nsresult StartWebsocketData();
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PRUint16 ResultToCloseCode(nsresult resultCode);
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void StopSession(nsresult reason);
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void AbortSession(nsresult reason);
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void ReleaseSession();
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void CleanupConnection();
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void EnsureHdrOut(PRUint32 size);
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void ApplyMask(PRUint32 mask, PRUint8 *data, PRUint64 len);
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bool IsPersistentFramePtr();
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nsresult ProcessInput(PRUint8 *buffer, PRUint32 count);
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bool UpdateReadBuffer(PRUint8 *buffer, PRUint32 count,
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PRUint32 accumulatedFragments,
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PRUint32 *available);
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nsCOMPtr<nsIEventTarget> mSocketThread;
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nsCOMPtr<nsIHttpChannelInternal> mChannel;
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nsCOMPtr<nsIHttpChannel> mHttpChannel;
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nsCOMPtr<nsICancelable> mDNSRequest;
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nsCOMPtr<nsIAsyncVerifyRedirectCallback> mRedirectCallback;
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nsCOMPtr<nsIRandomGenerator> mRandomGenerator;
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nsCString mHashedSecret;
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nsCString mAddress;
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nsCOMPtr<nsISocketTransport> mTransport;
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nsCOMPtr<nsIAsyncInputStream> mSocketIn;
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nsCOMPtr<nsIAsyncOutputStream> mSocketOut;
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nsCOMPtr<nsITimer> mCloseTimer;
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PRUint32 mCloseTimeout; /* milliseconds */
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nsCOMPtr<nsITimer> mOpenTimer;
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PRUint32 mOpenTimeout; /* milliseconds */
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nsCOMPtr<nsITimer> mPingTimer;
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PRUint32 mPingTimeout; /* milliseconds */
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PRUint32 mPingResponseTimeout; /* milliseconds */
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nsCOMPtr<nsITimer> mLingeringCloseTimer;
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const static PRInt32 kLingeringCloseTimeout = 1000;
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const static PRInt32 kLingeringCloseThreshold = 50;
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PRInt32 mMaxConcurrentConnections;
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PRUint32 mRecvdHttpOnStartRequest : 1;
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PRUint32 mRecvdHttpUpgradeTransport : 1;
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PRUint32 mRequestedClose : 1;
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PRUint32 mClientClosed : 1;
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PRUint32 mServerClosed : 1;
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PRUint32 mStopped : 1;
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PRUint32 mCalledOnStop : 1;
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PRUint32 mPingOutstanding : 1;
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PRUint32 mAllowCompression : 1;
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PRUint32 mAutoFollowRedirects : 1;
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PRUint32 mReleaseOnTransmit : 1;
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PRUint32 mTCPClosed : 1;
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PRUint32 mOpenBlocked : 1;
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PRUint32 mOpenRunning : 1;
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PRUint32 mChannelWasOpened : 1;
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PRInt32 mMaxMessageSize;
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nsresult mStopOnClose;
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PRUint16 mServerCloseCode;
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nsCString mServerCloseReason;
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PRUint16 mScriptCloseCode;
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nsCString mScriptCloseReason;
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// These are for the read buffers
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const static PRUint32 kIncomingBufferInitialSize = 16 * 1024;
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// We're ok with keeping a buffer this size or smaller around for the life of
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// the websocket. If a particular message needs bigger than this we'll
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// increase the buffer temporarily, then drop back down to this size.
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const static PRUint32 kIncomingBufferStableSize = 128 * 1024;
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PRUint8 *mFramePtr;
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PRUint8 *mBuffer;
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PRUint8 mFragmentOpcode;
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PRUint32 mFragmentAccumulator;
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PRUint32 mBuffered;
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PRUint32 mBufferSize;
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nsCOMPtr<nsIStreamListener> mInflateReader;
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nsCOMPtr<nsIStringInputStream> mInflateStream;
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// These are for the send buffers
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const static PRInt32 kCopyBreak = 1000;
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OutboundMessage *mCurrentOut;
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PRUint32 mCurrentOutSent;
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nsDeque mOutgoingMessages;
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nsDeque mOutgoingPingMessages;
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nsDeque mOutgoingPongMessages;
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PRUint32 mHdrOutToSend;
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PRUint8 *mHdrOut;
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PRUint8 mOutHeader[kCopyBreak + 16];
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nsWSCompression *mCompressor;
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PRUint32 mDynamicOutputSize;
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PRUint8 *mDynamicOutput;
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};
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class WebSocketSSLChannel : public WebSocketChannel
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{
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public:
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WebSocketSSLChannel() { BaseWebSocketChannel::mEncrypted = true; }
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protected:
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virtual ~WebSocketSSLChannel() {}
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};
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}} // namespace mozilla::net
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#endif // mozilla_net_WebSocketChannel_h
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