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CAlarmLogger.cpp

// Author:
//   Jason Venema
//   NSCL
//   Michigan State University
//   East Lansing, MI 48824-1321
//   mailto:venemaja@msu.edu
//
// Copyright
//   NSCL All rights reserved.
//
// See Logger.h for a description of this class.
//

#include <CAlarmLogger.h>
#include <stdio.h>
#include <CDuplicateNameException.h>
#include <CNoSuchObjectException.h>

CAlarmLogger::CAlarmLogger(string facility, 
                           string host = "localhost", 
                           string port = "daqalarm") :
  m_sFacility(facility),
  m_sHost(host)
{
  if(port == "daqalarm") {
    struct servent* pServ = getservbyname("daqalarm", "tcp");
    if(pServ) {
      Int_t nPort = pServ->s_port;
      char port[4];
      sprintf(port, "%d", nPort);
      m_sPort = string(port);
    }
    else {
      m_sPort = "2702";
    }
  }
}

CAlarmLogger::CAlarmLogger(const CAlarmLogger& aCAlarmLogger) :
  m_sFacility(aCAlarmLogger.m_sFacility),
  m_sHost(aCAlarmLogger.m_sHost),
  m_sPort(aCAlarmLogger.m_sPort)
{ }

CAlarmLogger::~CAlarmLogger()
{ }

void
CAlarmLogger::Log(string message)
{
  // 1. Prepare a message to write to the socket for EventLog.tcl to log. 
  //    This is the first message that we're writing. Subsequent writes
  //    will be to the display function...
  string entry("Alarm::Log [list ");
  entry += m_sFacility + " " + message + "]\n";
  void* pBuf = (void*)entry.c_str();

  // Construct a socket and log to the log file using the name of the first
  // host in the hostlist. Then try the write the command to log. Read the
  // date/time which is returned, and shutdown the connection.
  try {
    CSocket sock;
    sock.Connect(m_sHost, m_sPort);
    sock.Write(pBuf, entry.size());
    sock.Shutdown();
  }
  catch (CException& e) {
    cerr << "Caught exception while attempting to connect to host " 
         << m_sHost << endl;
    cerr << "Reason was: " << e.ReasonText() << endl;
    cerr << e.WasDoing() << endl;
  }
}

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