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/*
* Copyright (C) 2009 Google Inc. All rights reserved.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions are
* met:
*
* * Redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer.
* * Redistributions in binary form must reproduce the above
* copyright notice, this list of conditions and the following disclaimer
* in the documentation and/or other materials provided with the
* distribution.
* * Neither the name of Google Inc. nor the names of its
* contributors may be used to endorse or promote products derived from
* this software without specific prior written permission.
*
* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
* "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
* LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
* A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
* OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
* SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
* LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
* DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
* THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
* OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
*/
#ifndef WebSocketChannel_h
#define WebSocketChannel_h
#include "core/frame/ConsoleTypes.h"
#include "platform/heap/Handle.h"
#include "wtf/Forward.h"
#include "wtf/Noncopyable.h"
namespace blink {
class BlobDataHandle;
class DOMArrayBuffer;
class ExecutionContext;
class KURL;
class WebSocketChannelClient;
// FIXME: WebSocketChannel needs to be RefCountedGarbageCollected to support manual ref/deref
// in MainThreadWebSocketChannelImpl. We should change it to GarbageCollectedFinalized once
// we remove MainThreadWebSocketChannelImpl.
class WebSocketChannel : public RefCountedGarbageCollected<WebSocketChannel> {
WTF_MAKE_NONCOPYABLE(WebSocketChannel);
public:
WebSocketChannel() { }
static WebSocketChannel* create(ExecutionContext*, WebSocketChannelClient*);
enum CloseEventCode {
CloseEventCodeNotSpecified = -1,
CloseEventCodeNormalClosure = 1000,
CloseEventCodeGoingAway = 1001,
CloseEventCodeProtocolError = 1002,
CloseEventCodeUnsupportedData = 1003,
CloseEventCodeFrameTooLarge = 1004,
CloseEventCodeNoStatusRcvd = 1005,
CloseEventCodeAbnormalClosure = 1006,
CloseEventCodeInvalidFramePayloadData = 1007,
CloseEventCodePolicyViolation = 1008,
CloseEventCodeMessageTooBig = 1009,
CloseEventCodeMandatoryExt = 1010,
CloseEventCodeInternalError = 1011,
CloseEventCodeTLSHandshake = 1015,
CloseEventCodeMinimumUserDefined = 3000,
CloseEventCodeMaximumUserDefined = 4999
};
virtual bool connect(const KURL&, const String& protocol) = 0;
virtual void send(const String& message) = 0;
virtual void send(const DOMArrayBuffer&, unsigned byteOffset, unsigned byteLength) = 0;
virtual void send(PassRefPtr<BlobDataHandle>) = 0;
// For WorkerWebSocketChannel.
virtual void send(PassOwnPtr<Vector<char> >) = 0;
// Do not call |send| after calling this method.
virtual void close(int code, const String& reason) = 0;
// Log the reason text and close the connection. Will call didClose().
// The MessageLevel parameter will be used for the level of the message
// shown at the devtool console.
// sourceURL and lineNumber parameters may be shown with the reason text
// at the devtool console.
// Even if sourceURL and lineNumber are specified, they may be ignored
// and the "current" url and the line number in the sense of
// JavaScript execution may be shown if this method is called in
// a JS execution context.
// You can specify String() and 0 for sourceURL and lineNumber
// respectively, if you can't / needn't provide the information.
virtual void fail(const String& reason, MessageLevel, const String& sourceURL, unsigned lineNumber) = 0;
// Do not call any methods after calling this method.
virtual void disconnect() = 0; // Will suppress didClose().
virtual ~WebSocketChannel() { }
virtual void trace(Visitor*) { }
};
} // namespace blink
#endif // WebSocketChannel_h
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