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123 lines
3.8 KiB
123 lines
3.8 KiB
/*
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knprotocolclient.h
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KNode, the KDE newsreader
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Copyright (c) 1999-2001 the KNode authors.
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See file AUTHORS for details
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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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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 Free Software Foundation,
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Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, US
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*/
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#ifndef KNPROTOCOLCLIENT_H
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#define KNPROTOCOLCLIENT_H
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#include <qdatetime.h>
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#include <qthread.h>
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#include <qcstring.h>
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#include <knserverinfo.h>
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class QStrList;
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class KNJobData;
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struct in_addr;
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class KNProtocolClient : public QThread {
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public:
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enum threadSignal { TSworkDone=0, TSjobStarted=1, TSconnect=2, TSloadGrouplist=3,
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TSwriteGrouplist=4, TSdownloadGrouplist=5, TSdownloadNew=6,
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TSsortNew=7, TSdownloadArticle=8, TSsendArticle=9, TSsendMail=10,
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TSprogressUpdate=11, TSdownloadDesc=12, TSdownloadNewGroups=13 };
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KNProtocolClient(int NfdPipeIn, int NfdPipeOut);
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~KNProtocolClient();
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virtual void run();
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void insertJob(KNJobData *newJob);
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void removeJob();
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void updatePercentage(int percent);
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int getProgressValue() const { return progressValue; };
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/** bytes in&out for the current connection */
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int getByteCount() const { return byteCount; };
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bool isInByteCountMode() const { return byteCountMode; };
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void terminateClient() { mTerminate = true; }
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protected:
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/** main loop, maintains connection and waits for next job */
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void waitForWork();
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/** examines the job and calls the suitable handling method */
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virtual void processJob();
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/** connect, handshake and authorization */
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virtual bool openConnection();
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bool isConnected() { return (tcpSocket!=-1); };
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/** sends QUIT-command and closes the socket */
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virtual void closeConnection();
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/** sends a command (one line), return code is written to rep */
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virtual bool sendCommand(const QCString &cmd, int &rep);
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/** checks return code and calls handleErrors() if necessary */
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bool sendCommandWCheck(const QCString &cmd, int rep);
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/** sends a message (multiple lines) */
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bool sendMsg(const QCString &msg);
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/** reads next complete line of input */
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bool getNextLine();
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/** returns pointer to current line of input */
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char* getCurrentLine() { return thisLine; };
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/** receives a message (multiple lines) */
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bool getMsg(QStrList &msg);
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/** reads next line and returns the response code */
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bool getNextResponse(int &rep);
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/** checks return code and calls handleErrors() if necessary */
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bool checkNextResponse(int rep);
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/** interprets error code, generates error message and closes the connection */
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virtual void handleErrors();
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void sendSignal(threadSignal s);
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KNJobData *job;
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KNServerInfo account;
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/** handleErrors() adds this string to the error message */
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QString errorPrefix;
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int progressValue, predictedLines, doneLines;
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bool byteCountMode;
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private:
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/** waits until socket is readable */
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bool waitForRead();
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/** waits until socket is writeable */
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bool waitForWrite();
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void closeSocket();
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/** sends str to the server */
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bool sendStr(const QCString &str);
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/** removes start/stop signal */
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void clearPipe();
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char *input;
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char *thisLine, *nextLine, *inputEnd;
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unsigned int inputSize;
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/** IPC-Pipes to/from async thread */
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int fdPipeIn,fdPipeOut;
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int tcpSocket;
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/** bytes in&out for the current connection */
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int byteCount;
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QTime timer;
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bool mTerminate;
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};
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#endif
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