Purpose: Open a LogChannel to use a public logfile

Declared in file: hzProcess.h
Defined in file : hzLogger.cpp

Function Logic:

Function body:

hzEcode hzLogger::OpenPublic (const char* fpath)hzLogRotate eRotate, 
{
   //  Purpose: Open a LogChannel to use a public logfile
   //  
   //  Arguments: 1) fpath The logfile's publicly known path which must be in /etc/logserver.d/public_logs.conf
   //     2) eRotate The log rotate edict
   //  
   //  Returns: E_HOSTFAIL If no connection to the logserver could be established
   //     E_SENDFAIL If the open command could not be sent to the logserver
   //     E_RECVFAIL If the logserver's response could not be received
   //     E_WRITEFAIL If the logserver fails to find the named public logfile
   //     E_PROTOCOL If the uid of the calling process is not permitted to write to the file
   //     E_OK  If the logserver has opened a channel to the named public logfile
   _hzfunc("hzLogger::OpenPublic") ;
   uint32_t    nSize ;     //  Size of logserver client request
   uint32_t    nUsr ;      //  UNIX user id
   uint32_t    nGrp ;      //  UNIX group id
   uint32_t    nProcID ;   //  Caller process id
   uchar*      u ;         //  Pointer into message buffer
   //  Connect to the logserver
   m_pConnection = new hzTcpClient() ;
   if (m_pConnection->ConnectStd(s_LocalHost, PORT_LOGSERVER) != E_OK)
       return E_HOSTFAIL ;
   //  Prepare header
   nSize = 16+strlen(fpath) ;
   nProcID = getpid() ;
   nUsr = geteuid() ;
   nGrp = getegid() ;
   u = (uchar*) m_cvData ;
   //  Command
   u[0]= LS_OPEN_PUB ;
   //  Size of message
   u[1]= (nSize & 0xff00)>>8;
   u[2]= (nSize & 0xff);
   //  Process ID
   u[3]= (nProcID & 0xff000000)>>24;
   u[4]= (nProcID & 0xff0000)>>16;
   u[5]= (nProcID & 0xff00)>>8;
   u[6]= (nProcID & 0xff);
   //  User ID
   u[7]= (nUsr & 0xff000000)>>24;
   u[8]= (nUsr & 0xff0000)>>16;
   u[9]= (nUsr & 0xff00)>>8;
   u[10]=(nUsr & 0xff);
   //  Group ID
   u[11]=(nGrp & 0xff000000)>>24;
   u[12]=(nGrp & 0xff0000)>>16;
   u[13]=(nGrp & 0xff00)>>8;
   u[14]=(nGrp & 0xff);
   //  Filename
   strncpy(m_cvData + 15,fpath,HZ_MAXPATHLEN) ;
   //  Send message and recv response
   if (m_pConnection->Send(m_cvData, nSize) != E_OK)
       return E_SENDFAIL ;
   if (m_pConnection->Recv(m_cvData, nSize, 64)!=E_OK)
       return E_RECVFAIL ;
   if (nSize == 4&& m_cvData[0]== LS_OK)
   {
       m_nSessID = 0;
       m_nSessID |= (u[1]<< 16);
       m_nSessID |= (u[2]<< 8);
       m_nSessID |= u[3];
       return E_OK ;
   }
   if (m_cvData[0]== LS_ERR_PERM)
       return E_WRITEFAIL ;
   //  Set data pointer
   m_pDataPtr = m_cvData + 10;
   return E_PROTOCOL ;
}