updatereginforec.cxx

vovida的软交换

/* ====================================================================
 * The Vovida Software License, Version 1.0 
 * 
 * Copyright (c) 2000 Vovida Networks, Inc.  All rights reserved.
 * 
 * Redistribution and use in source and binary forms, with or without
 * modification, are permitted provided that the following conditions
 * are met:
 * 
 * 1. Redistributions of source code must retain the above copyright
 *    notice, this list of conditions and the following disclaimer.
 * 
 * 2. Redistributions in binary form must reproduce the above copyright
 *    notice, this list of conditions and the following disclaimer in
 *    the documentation and/or other materials provided with the
 *    distribution.
 * 
 * 3. The names "VOCAL", "Vovida Open Communication Application Library",
 *    and "Vovida Open Communication Application Library (VOCAL)" must
 *    not be used to endorse or promote products derived from this
 *    software without prior written permission. For written
 *    permission, please contact [e-mail].
 *
 * 4. Products derived from this software may not be called "VOCAL", nor
 *    may "VOCAL" appear in their name, without prior written
 *    permission of Vovida Networks, Inc.
 * 
 * THIS SOFTWARE IS PROVIDED "AS IS" AND ANY EXPRESSED OR IMPLIED
 * WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
 * OF MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE, TITLE AND
 * NON-INFRINGEMENT ARE DISCLAIMED.  IN NO EVENT SHALL VOVIDA
 * NETWORKS, INC. OR ITS CONTRIBUTORS BE LIABLE FOR ANY DIRECT DAMAGES
 * IN EXCESS OF $1,000, NOR FOR ANY INDIRECT, INCIDENTAL, SPECIAL,
 * EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
 * PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR
 * PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY
 * OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE
 * USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH
 * DAMAGE.
 * 
 * ====================================================================
 * 
 * This software consists of voluntary contributions made by Vovida
 * Networks, Inc. and many individuals on behalf of Vovida Networks,
 * Inc.  For more information on Vovida Networks, Inc., please see
 * <http://www.vovida.org/>.
 *
 */

#include "CacheListener.hxx"
#include "UpdateRegInfoRec.hxx"
#include "Record.hxx"
#include "RecordTypes.h"
#include "cpLog.h"

#include "DBResultset.hxx"
#include "support.hxx"

#include <cstdio>
#include <cstdlib>
#include <ctime>


UpdateRegInfoRec::UpdateRegInfoRec() {
    setRecordType(UPDATE_REG_INFO_RECORD);
}

UpdateRegInfoRec::~UpdateRegInfoRec() {}

void UpdateRegInfoRec::displayRecord() { 

    cout << "UpdateRegInfoRec.cxx: Generic Data\n";
    Record::displayRecord("UpdateRegInfoRec.cxx");
    cout << "UpdateRegInfoRec.cxx: Specific Data\n";
    cout << "UpdateRegInfoRec.cxx: Port: " << listenerPort << "\n";
    cout << "UpdateRegInfoRec.cxx: Hostname: " << hostname << "\n";
    cout << "UpdateRegInfoRec.cxx: TriggerRecordType: " 
	 << Record::stringRecordType(triggerRecordType) << "\n";
    cout << "UpdateRegInfoRec.cxx: CBF Ptr : " << callBackFunc << "\n";
}

bool UpdateRegInfoRec::populateRecord(KeyType key, DBConnection* dbconn) {
    DBResultset* results;

    try { 
      results = dbconn->DBSQLSelect( (string) " " +  // (string allows '+' op)
        "SELECT hostname, port, trigger, callbackptr " +
	" FROM UPDATEREG "                                               +
	" WHERE key ='" + key + "'"                              +  
	";"
      );
    }
    catch ( VException &e ) { 
      cpLog(LOG_ERR, "DBSQLSelect failed due to %s",e.getDescription().c_str());
      return false;
    }

    ResultTabletype recs = results->GetRecords();
    delete results;  // Delete the results object in case this fails

    if (recs.begin() == recs.end()) return false; // No records

    ResultRecordtype oneRec = *(recs.begin());

    if (oneRec.size() != 4) return false; // Not enough data in record

    // We know the order and expected types of the data, so map each in
    setKey(key);
    setHostname(                                 oneRec[0]          );
    setListenerPort(                       atoi( oneRec[1].c_str() ));
    setTriggerRecordType(Record::convertStrRType(oneRec[2])         );
    setCallBackFunc(     (callBackFuncPtr) atoi( oneRec[3].c_str() ));     
    // The atoi(...) commands and casts should be safe 'cos the database is 
    // enforcing the types 
    
    return true;

}
 
bool UpdateRegInfoRec::amendRecord(DBConnection* dbconn) {

    // Database amend is not supported for UpdateRegInfoRec
  cpLog(LOG_ERR, "DBAmend not supported for registration, deregister and register again instead");

    return false;
}

bool UpdateRegInfoRec::deleteRecord(DBConnection* dbconn) {

    bool result;

    try { 
      result = dbconn->DBSQLDelete( (string) " " +  // (string allows '+' op)
        "DELETE FROM UPDATEREG "             +
	" WHERE key  ='" + key + "'"  +  
	";"
      );
    }
    catch ( VException &e ) { 
      cpLog(LOG_ERR, "DBSQLDelete failed due to %s",e.getDescription().c_str());
      return false;
    }

    return result;
}

bool UpdateRegInfoRec::insertRecord(DBConnection* dbconn) {

    bool result;

    // Convert values to stirngs
    string values  = "'" + key + "', '" + hostname + "', '" + itos(listenerPort) + "', ";
           values += "'" + Record::stringRecordType(triggerRecordType) + "', ";
	   values += "'" + itos((int)callBackFunc) + "'";

    cout << "Values : " << values << "\n";

    try { 
      result = dbconn->DBSQLInsert( (string) " " +  // (string allows '+' op)
        "INSERT INTO UPDATEREG " + 
        " (key, hostname, port, trigger, callbackptr)" + 
	" VALUES (" + values + ")" + 
	";"
      );
    }
    catch ( VException &e ) { 
      cpLog(LOG_ERR, "DBSQLInsert failed due to %s",e.getDescription().c_str());
      return false;
    }

    return result;

}

KeyList UpdateRegInfoRec::getAllKeys(DBConnection* dbconn) { 
  KeyList l; 

  // Would do a database SELECT to get all relavent keys and 
  // return them in key list

  return l;
}

Record* UpdateRegInfoRec::clone() { 
  
  UpdateRegInfoRec* rec = new UpdateRegInfoRec();
  rec->setListenerPort(listenerPort);
  rec->setCallBackFunc(callBackFunc);
  rec->setHostname(hostname);
  rec->setTriggerRecordType(triggerRecordType);
  
  return rec;
}