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110 lines
2.8 KiB
110 lines
2.8 KiB
/* netmanager.h
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*
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* Copyright (c) 1998, 1999, Alexander Neundorf
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* alexander.neundorf@rz.tu-ilmenau.de
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*
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* You may distribute under the terms of the GNU General Public
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* License as specified in the COPYING file.
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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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*/
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#ifndef NETMANAGER_H
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#define NETMANAGER_H
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#include <list>
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#include "netscanner.h"
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#include "client.h"
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#include "mystring.h"
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#include "configfile.h"
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#include "lisadefines.h"
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struct MyFrameType
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{
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int id;
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//keep some room for later extensions
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int unused1;
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int unused2;
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int unused3;
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};
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#define MYFRAMELENGTH 16
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class NetManager:public NetScanner
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{
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public:
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NetManager(int& rawSocketFD, int portToUse, MyString configFile, int configStyle=UNIXCONFIGSTYLE, int strictMode=0);
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~NetManager();
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int prepare();
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int run();
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int writeDataToFD(int fd, int serverServer);
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void readConfig();
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void configure(Config& config);
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int isBeingScanned() {return m_isBeingScanned;};
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int isInformed() {return m_isInformed;};
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//int uptime();
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void printState();
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protected:
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int m_listenFD;
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int m_bcFD;
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int m_basePort;
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int m_pipeFD;
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char *m_receiveBuffer;
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size_t m_receivedBytes;
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struct timeval tv;
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pid_t m_childPid;
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time_t m_lastUpdate;
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time_t m_startedAt;
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int m_isInformed;
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int m_isBeingScanned;
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int m_firstRun;
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int m_serverServer;
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int m_servedThisPeriod;
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int m_serveCount;
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int m_refreshTime;
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int m_initialRefreshTime;
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int m_increasedRefreshTime;
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int m_broadcastAddress;
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std::list<Client> clients;
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struct client_is_done : std::function<bool(Client)>
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{
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bool operator() (Client& c)
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{
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return (c.done() != 0 || c.age() > 30);
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}
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};
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int getMaxFD();
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void generateFDset(fd_set *tmpFDs);
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//returns 0 on timeout, otherwise 1
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int waitForSomethingToHappen(fd_set *tmpFDs);
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void scan();
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void addClient(int socketFD);
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void checkClientsAndPipes(fd_set *tmpFDs);
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int readDataFromFD(int fd);
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int processScanResults();
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int findServerServer();
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void getListFromServerServer(int address);
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void enableServerServer(int on);
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void serveAndClean();
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void answerBroadcast();
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void adjustRefreshTime(int serverServer);
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MyString m_extraConfigFile;
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int m_configStyle;
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MyString getConfigFileName();
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MyString m_usedConfigFileName;
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};
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#endif
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