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124 lines
3.3 KiB
124 lines
3.3 KiB
/***************************************************************************
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* Copyright (C) 2005 by Joris Guisson *
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* joris.guisson@gmail.com *
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* *
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* This program is free software; you can redistribute it and/or modify *
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* it under the terms of the GNU General Public License as published by *
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* the Free Software Foundation; either version 2 of the License, or *
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* (at your option) any later version. *
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* *
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* This program 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 *
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* GNU General Public License for more details. *
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* *
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* You should have received a copy of the GNU General Public License *
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* along with this program; if not, write to the *
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* Free Software Foundation, Inc., *
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* 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA. *
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***************************************************************************/
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#ifndef DHTRPCSERVER_H
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#define DHTRPCSERVER_H
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#include <tqptrlist.h>
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#include <kdatagramsocket.h>
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#include <util/constants.h>
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#include <util/array.h>
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#include <util/ptrmap.h>
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using KNetwork::KDatagramSocket;
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using bt::Uint32;
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using bt::Uint16;
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using bt::Uint8;
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namespace bt
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{
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class BDictNode;
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}
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namespace dht
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{
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class Key;
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class KBucketEntry;
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class RPCCall;
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class RPCMsg;
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class Node;
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class DHT;
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class MsgBase;
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/**
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* @author Joris Guisson
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*
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* Class to handle incoming and outgoing RPC messages.
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*/
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class RPCServer : public TQObject
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{
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Q_OBJECT
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public:
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RPCServer(DHT* dh_table,Uint16 port,TQObject *parent = 0);
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virtual ~RPCServer();
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/// Start the server
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void start();
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/// Stop the server
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void stop();
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/**
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* Do a RPC call.
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* @param msg The message to send
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* @return The call object
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*/
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RPCCall* doCall(MsgBase* msg);
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/**
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* Send a message, this only sends the message, it does not keep any call
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* information. This should be used for replies.
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* @param msg The message to send
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*/
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void sendMsg(MsgBase* msg);
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/**
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* A call was timed out.
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* @param mtid mtid of call
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*/
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void timedOut(Uint8 mtid);
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/**
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* Ping a node, we don't care about the MTID.
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* @param addr The address
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*/
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void ping(const dht::Key & our_id,const KNetwork::TDESocketAddress & addr);
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/**
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* Find a RPC call, based on the mtid
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* @param mtid The mtid
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* @return The call
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*/
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const RPCCall* findCall(Uint8 mtid) const;
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/// Get the number of active calls
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Uint32 getNumActiveRPCCalls() const {return calls.count();}
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private slots:
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void readPacket();
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private:
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void send(const KNetwork::TDESocketAddress & addr,const TQByteArray & msg);
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void doQueuedCalls();
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private:
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KDatagramSocket* sock;
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DHT* dh_table;
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bt::PtrMap<bt::Uint8,RPCCall> calls;
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TQPtrList<RPCCall> call_queue;
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bt::Uint8 next_mtid;
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bt::Uint16 port;
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};
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}
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#endif
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