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/*
* Copyright (C) 2007-2023 Xagasoft, All rights reserved.
*
* This file is part of the libbu++ library and is released under the
* terms of the license contained in the file LICENSE.
*/
#ifndef BU_PROTOCOL_WEB_SOCKET_H
#define BU_PROTOCOL_WEB_SOCKET_H
#include "bu/protocol.h"
#include "bu/hash.h"
#include "bu/mutex.h"
namespace Bu
{
class ProtocolWebSocket : public Bu::Protocol
{
public:
enum Operation
{
Continuation = 0,
Text = 1,
Binary = 2,
ConClose = 8,
Ping = 9,
Pong = 10
};
public:
ProtocolWebSocket();
virtual ~ProtocolWebSocket();
virtual void onNewConnection( Bu::Client *pClient );
virtual void onNewData( Bu::Client *pClient );
/**
* Return true to continue the connection, return false to disconnect.
* Feel free to modify the headers out list to add or remove http
* headers to go to the client.
*/
virtual bool onProcessHeaders( Bu::StringList &lHeadersOut );
virtual void onHandshakeComplete()=0;
virtual void onNewMessage( const Bu::String &sData, Operation eOp )=0;
void writeMessage( const Bu::String &sData, Operation eOp=Text );
private:
bool stateProtoId();
bool stateHandshake();
bool processHeaders();
bool headerMatch( const Bu::String &sKey, const Bu::String &sValue );
bool readHttpHdrLine( Bu::String &sLine );
bool parseMessage();
private:
enum Status
{
stProtoId = 0,
stHandshake = 1,
stReady = 10
};
protected:
Bu::Client *pClient;
Status eStatus;
Bu::String sPath;
Bu::Hash<Bu::String, Bu::StringList> hHeader;
Bu::Mutex mClient;
};
}
#endif
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