mirror of
https://gitlab.winehq.org/wine/wine-gecko.git
synced 2024-09-13 09:24:08 -07:00
257 lines
9.4 KiB
C++
257 lines
9.4 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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/* This Source Code Form is subject to the terms of the Mozilla Public
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* License, v. 2.0. If a copy of the MPL was not distributed with this
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* file, You can obtain one at http://mozilla.org/MPL/2.0/. */
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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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// Used to enforce "1 connecting websocket per host" rule, and reconnect delays
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enum wsConnectingState {
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NOT_CONNECTING = 0, // Not yet (or no longer) trying to open connection
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CONNECTING_QUEUED, // Waiting for other ws to same host to finish opening
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CONNECTING_DELAYED, // Delayed by "reconnect after failure" algorithm
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CONNECTING_IN_PROGRESS // Started connection: waiting for result
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};
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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 FailDelayManager;
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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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void 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 IncrementSessionCount();
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void DecrementSessionCount();
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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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// Used as key for connection managment: Initially set to hostname from URI,
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// then to IP address (unless we're leaving DNS resolution to a proxy server)
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nsCString mAddress;
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PRInt32 mPort; // WS server port
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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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wsConnectingState mConnecting; /* 0 if not connecting */
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nsCOMPtr<nsITimer> mReconnectDelayTimer;
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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 mWasOpened : 1;
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PRUint32 mOpenedHttpChannel : 1;
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PRUint32 mDataStarted : 1;
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PRUint32 mIncrementedSessionCount : 1;
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PRUint32 mDecrementedSessionCount : 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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