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101 lines
2.8 KiB
101 lines
2.8 KiB
/*
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Copyright (C) 2000 Stefan Westerfeld
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stefan@space.twc.de
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This library is free software; you can redistribute it and/or
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modify it under the terms of the GNU Library General Public
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License as published by the Free Software Foundation; either
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version 2 of the License, or (at your option) any later version.
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This library is distributed in the hope that it will be useful,
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but WITHOUT ANY WARRANTY; without even the implied warranty of
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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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Library General Public License for more details.
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You should have received a copy of the GNU Library General Public License
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along with this library; see the file COPYING.LIB. If not, write to
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the Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor,
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Boston, MA 02110-1301, USA.
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*/
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#ifndef CONNECTION_H
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#define CONNECTION_H
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#include "arts_export.h"
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#include "buffer.h"
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/*
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* BC - Status (2002-03-08): Connection.
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*
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* None of these classes is considered part of the public API. However, they
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* NEED to be kept binary compatible as the DO interact with generated code.
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*
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* Especially virtual functions and stuff can't be added, if you need to,
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* you need to add classes parallel to the Connection hierarchy.
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*/
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namespace Arts {
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class ConnectionPrivate;
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class ARTS_EXPORT Connection {
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private:
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ConnectionPrivate *d; // unused
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public:
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enum ConnectionState {
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unknown = 0,
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expectServerHello = 1,
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expectClientHello = 2,
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expectAuthAccept = 3,
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established = 4
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};
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protected:
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Buffer *rcbuf;
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bool receiveHeader;
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long remaining;
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long messageType;
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ConnectionState _connState;
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std::string serverID;
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std::string _cookie;
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long _refCnt;
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/**
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* If you don't want to handle message fragmentation yourself:
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*
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* Call initReceive in your derived Connection constructor, ald
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* receive as soon as you receive some data - the connection object
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* will handle the rest (put the messages into buffers and send them
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* to the dispatcher)
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*/
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void initReceive();
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void receive(unsigned char *data, long len);
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virtual ~Connection();
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public:
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Connection();
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inline void setServerID(const std::string& _serverID) { serverID = _serverID; }
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inline bool isConnected(const std::string& s) { return (serverID == s); }
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inline void setConnState(ConnectionState cs) { _connState = cs; };
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inline std::string cookie() { return _cookie; }
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void setCookie(const std::string& c) { _cookie = c; }
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void setHints(const std::vector<std::string>& hints);
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std::string findHint(const std::string& name);
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inline ConnectionState connState() { return _connState; };
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virtual void drop() = 0;
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virtual bool broken() = 0;
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virtual void qSendBuffer(Buffer *buffer) = 0;
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void _release();
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void _copy();
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};
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}
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#endif
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