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31 #ifndef WorkerThreadableWebSocketChannel_h
32 #define WorkerThreadableWebSocketChannel_h
34 #include "core/frame/ConsoleTypes.h"
35 #include "core/workers/WorkerGlobalScope.h"
36 #include "heap/Handle.h"
37 #include "modules/websockets/WebSocketChannel.h"
38 #include "modules/websockets/WebSocketChannelClient.h"
40 #include "wtf/PassOwnPtr.h"
41 #include "wtf/PassRefPtr.h"
42 #include "wtf/RefCounted.h"
43 #include "wtf/RefPtr.h"
44 #include "wtf/Threading.h"
45 #include "wtf/Vector.h"
46 #include "wtf/WeakPtr.h"
47 #include "wtf/text/WTFString.h"
50 class WebWaitableEvent;
57 class ExecutionContext;
58 class ThreadableWebSocketChannelClientWrapper;
59 class ThreadableWebSocketChannelSyncHelper;
60 class WorkerGlobalScope;
61 class WorkerLoaderProxy;
64 class WorkerThreadableWebSocketChannel FINAL : public RefCounted<WorkerThreadableWebSocketChannel>, public WebSocketChannel {
65 WTF_MAKE_FAST_ALLOCATED;
67 static PassRefPtr<WebSocketChannel> create(WorkerGlobalScope* workerGlobalScope, WebSocketChannelClient* client, const String& sourceURL, unsigned lineNumber)
69 return adoptRef(new WorkerThreadableWebSocketChannel(workerGlobalScope, client, sourceURL, lineNumber));
71 virtual ~WorkerThreadableWebSocketChannel();
73 // WebSocketChannel functions.
74 virtual void connect(const KURL&, const String& protocol) OVERRIDE;
75 virtual String subprotocol() OVERRIDE;
76 virtual String extensions() OVERRIDE;
77 virtual WebSocketChannel::SendResult send(const String& message) OVERRIDE;
78 virtual WebSocketChannel::SendResult send(const ArrayBuffer&, unsigned byteOffset, unsigned byteLength) OVERRIDE;
79 virtual WebSocketChannel::SendResult send(PassRefPtr<BlobDataHandle>) OVERRIDE;
80 virtual unsigned long bufferedAmount() const OVERRIDE;
81 virtual void close(int code, const String& reason) OVERRIDE;
82 virtual void fail(const String& reason, MessageLevel, const String&, unsigned) OVERRIDE;
83 virtual void disconnect() OVERRIDE; // Will suppress didClose().
84 virtual void suspend() OVERRIDE;
85 virtual void resume() OVERRIDE;
87 // Generated by the bridge. The Peer is destructed by an async call from
88 // Bridge, and may outlive the bridge. All methods of this class must
89 // be called on the main thread.
90 class Peer FINAL : public WebSocketChannelClient {
91 WTF_MAKE_NONCOPYABLE(Peer); WTF_MAKE_FAST_ALLOCATED;
95 // sourceURLAtConnection and lineNumberAtConnection parameters may
96 // be shown when the connection fails.
97 static void initialize(ExecutionContext*, PassRefPtr<WeakReference<Peer> >, WorkerLoaderProxy*, PassRefPtr<ThreadableWebSocketChannelClientWrapper>, const String& sourceURLAtConnection, unsigned lineNumberAtConnection, PassOwnPtr<ThreadableWebSocketChannelSyncHelper>);
100 void connect(const KURL&, const String& protocol);
101 void send(const String& message);
102 void sendArrayBuffer(PassOwnPtr<Vector<char> >);
103 void sendBlob(PassRefPtr<BlobDataHandle>);
104 void bufferedAmount();
105 void close(int code, const String& reason);
106 void fail(const String& reason, MessageLevel, const String& sourceURL, unsigned lineNumber);
111 // WebSocketChannelClient functions.
112 virtual void didConnect() OVERRIDE;
113 virtual void didReceiveMessage(const String& message) OVERRIDE;
114 virtual void didReceiveBinaryData(PassOwnPtr<Vector<char> >) OVERRIDE;
115 virtual void didUpdateBufferedAmount(unsigned long bufferedAmount) OVERRIDE;
116 virtual void didStartClosingHandshake() OVERRIDE;
117 virtual void didClose(unsigned long unhandledBufferedAmount, ClosingHandshakeCompletionStatus, unsigned short code, const String& reason) OVERRIDE;
118 virtual void didReceiveMessageError() OVERRIDE;
121 Peer(PassRefPtr<WeakReference<Peer> >, PassRefPtr<ThreadableWebSocketChannelClientWrapper>, WorkerLoaderProxy&, ExecutionContext*, const String& sourceURL, unsigned lineNumber, PassOwnPtr<ThreadableWebSocketChannelSyncHelper>);
123 RefPtr<ThreadableWebSocketChannelClientWrapper> m_workerClientWrapper;
124 WorkerLoaderProxy& m_loaderProxy;
125 RefPtr<WebSocketChannel> m_mainWebSocketChannel;
126 OwnPtr<ThreadableWebSocketChannelSyncHelper> m_syncHelper;
127 WeakPtrFactory<Peer> m_weakFactory;
130 using RefCounted<WorkerThreadableWebSocketChannel>::ref;
131 using RefCounted<WorkerThreadableWebSocketChannel>::deref;
134 // WebSocketChannel functions.
135 virtual void refWebSocketChannel() OVERRIDE { ref(); }
136 virtual void derefWebSocketChannel() OVERRIDE { deref(); }
139 // Bridge for Peer. Running on the worker thread.
140 class Bridge : public RefCounted<Bridge> {
142 static PassRefPtr<Bridge> create(PassRefPtr<ThreadableWebSocketChannelClientWrapper> workerClientWrapper, PassRefPtrWillBeRawPtr<WorkerGlobalScope> workerGlobalScope)
144 return adoptRef(new Bridge(workerClientWrapper, workerGlobalScope));
147 // sourceURLAtConnection and lineNumberAtConnection parameters may
148 // be shown when the connection fails.
149 void initialize(const String& sourceURLAtConnection, unsigned lineNumberAtConnection);
150 void connect(const KURL&, const String& protocol);
151 WebSocketChannel::SendResult send(const String& message);
152 WebSocketChannel::SendResult send(const ArrayBuffer&, unsigned byteOffset, unsigned byteLength);
153 WebSocketChannel::SendResult send(PassRefPtr<BlobDataHandle>);
154 unsigned long bufferedAmount();
155 void close(int code, const String& reason);
156 void fail(const String& reason, MessageLevel, const String& sourceURL, unsigned lineNumber);
161 using RefCounted<Bridge>::ref;
162 using RefCounted<Bridge>::deref;
165 Bridge(PassRefPtr<ThreadableWebSocketChannelClientWrapper>, PassRefPtrWillBeRawPtr<WorkerGlobalScope>);
167 static void setWebSocketChannel(ExecutionContext*, Bridge* thisPtr, Peer*, PassRefPtr<ThreadableWebSocketChannelClientWrapper>);
169 // Executed on the worker context's thread.
170 void clearClientWrapper();
172 // Returns false if shutdown event is received before method completion.
173 bool waitForMethodCompletion();
175 void terminatePeer();
177 RefPtr<ThreadableWebSocketChannelClientWrapper> m_workerClientWrapper;
178 RefPtrWillBePersistent<WorkerGlobalScope> m_workerGlobalScope;
179 WorkerLoaderProxy& m_loaderProxy;
180 ThreadableWebSocketChannelSyncHelper* m_syncHelper;
181 WeakPtr<Peer> m_peer;
184 WorkerThreadableWebSocketChannel(WorkerGlobalScope*, WebSocketChannelClient*, const String& sourceURL, unsigned lineNumber);
186 RefPtrWillBePersistent<WorkerGlobalScope> m_workerGlobalScope;
187 RefPtr<ThreadableWebSocketChannelClientWrapper> m_workerClientWrapper;
188 RefPtr<Bridge> m_bridge;
189 String m_sourceURLAtConnection;
190 unsigned m_lineNumberAtConnection;
193 } // namespace WebCore
195 #endif // WorkerThreadableWebSocketChannel_h