core/sqf/monitor/linux/nameserver.h

///////////////////////////////////////////////////////////////////////////////
//
// @@@ START COPYRIGHT @@@
//
// Licensed to the Apache Software Foundation (ASF) under one
// or more contributor license agreements.  See the NOTICE file
// distributed with this work for additional information
// regarding copyright ownership.  The ASF licenses this file
// to you under the Apache License, Version 2.0 (the
// "License"); you may not use this file except in compliance
// with the License.  You may obtain a copy of the License at
//
//   http://www.apache.org/licenses/LICENSE-2.0
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///////////////////////////////////////////////////////////////////////////////

#ifndef NAMESERVER_H_
#define NAMESERVER_H_
#ifndef NAMESERVER_PROCESS

#include "process.h"
#include "comm.h"


class CNameServer : public CComm
{
protected:
    int            eyecatcher_;      // Debuggging aid -- leave as first
                                     // member variable of the class
public:

    CNameServer( void );
    virtual ~CNameServer( void );

    bool IsNameServerConfigured( int pnid );
    void NameServerExited( void );
    int  NameServerStop( struct message_def* msg );
    int  ProcessDelete(CProcess* process );
    int  ProcessInfo( struct message_def* msg );
    int  ProcessInfoCont( struct message_def* msg );
    int  ProcessInfoNs( struct message_def* msg );
    int  ProcessNew(CProcess* process );
    int  ProcessNodeDown( int nid, char* nodeName );
    int  ProcessShutdown( void );
    void SetLocalHost( void );

private:
    bool nsStartupComplete_;
    bool shutdown_;
    int  ioWaitTimeout_;
    int  ioRetryCount_;
    int  mon2nsSock_;
    int  seqNum_;
    char mon2nsHost_[MAX_PROCESSOR_NAME];
    char mon2nsPort_[10];

    int  ChooseNextNs( void );
    void CloseNs( void );
    int  ConnectToNs( bool* retry );
    int  GetM2NPort( int PNid );
    int  ProcessRequest( struct message_def* msg );
    int  SendToNs( const char* reqType, struct message_def* msg, int size );
    void SetShutdown( bool shutdown );
};

#endif
#endif /*NAMESERVER_H_*/