nevrax.org : docs

00001 
+00007 /* Copyright, 2000 Nevrax Ltd.
+00008  *
+00009  * This file is part of NEVRAX NEL.
+00010  * NEVRAX NEL is free software; you can redistribute it and/or modify
+00011  * it under the terms of the GNU General Public License as published by
+00012  * the Free Software Foundation; either version 2, or (at your option)
+00013  * any later version.
+00014 
+00015  * NEVRAX NEL is distributed in the hope that it will be useful, but
+00016  * WITHOUT ANY WARRANTY; without even the implied warranty of
+00017  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
+00018  * General Public License for more details.
+00019 
+00020  * You should have received a copy of the GNU General Public License
+00021  * along with NEVRAX NEL; see the file COPYING. If not, write to the
+00022  * Free Software Foundation, Inc., 59 Temple Place - Suite 330, Boston,
+00023  * MA 02111-1307, USA.
+00024  */
+00025 
+00026 #include "stdnet.h"
+00027 
+00028 #include "nel/net/net_displayer.h"
+00029 #include "nel/net/message.h"
+00030 #include "nel/net/naming_client.h"
+00031 
+00032 
+00033 using namespace std;
+00034 using namespace NLMISC;
+00035 
+00036 namespace NLNET {
+00037 
+00038 
+00039 /* This index must correspond to the index for "LOG" in CallbackArray in the Logging Service
+00040  * (see CNetDisplayer::display())
+00041  */
+00042 const sint16 LOG_CBINDEX = 0;
+00043 
+00044 
+00045 /*
+00046  * Constructor
+00047  */
+00048 CNetDisplayer::CNetDisplayer(bool autoConnect) :
+00049         _Server(NULL), _ServerAllocated (false) // disable logging otherwise an infinite recursion may occur
+00050 {
+00051         if (autoConnect) findAndConnect();
+00052 }
+00053 
+00054 
+00055 /*
+00056  * Find the server (using the NS) and connect
+00057  */
+00058 void CNetDisplayer::findAndConnect()
+00059 {
+00060         if (_Server == NULL)
+00061         {
+00062                 _Server = new CCallbackClient();
+00063                 _ServerAllocated = true;
+00064         }
+00065 
+00066         if ( CNamingClient::lookupAndConnect( "LOGS", *_Server ) )
+00067         {
+00068                 nldebug( "Connected to logging service" );
+00069         }
+00070 }
+00071 
+00072 /*
+00073  * Sets logging server address
+00074  */
+00075 void CNetDisplayer::setLogServer (const CInetAddress& logServerAddr)
+00076 {
+00077         if (_Server != NULL && _Server->connected()) return;
+00078 
+00079         _ServerAddr = logServerAddr;
+00080 
+00081         if (_Server == NULL)
+00082         {
+00083                 _Server = new CCallbackClient();
+00084                 _ServerAllocated = true;
+00085         }
+00086         
+00087         try
+00088         {
+00089                 _Server->connect (_ServerAddr);
+00090         }
+00091         catch( ESocket& )
+00092         {
+00093                 // Silence
+00094         }
+00095 }
+00096 
+00097 void CNetDisplayer::setLogServer (CCallbackClient *server)
+00098 {
+00099         if (_Server != NULL && _Server->connected()) return;
+00100 
+00101         _Server = server;
+00102 }
+00103 
+00104 
+00105 /*
+00106  * Destructor
+00107  */
+00108 CNetDisplayer::~CNetDisplayer ()
+00109 {
+00110         if (_ServerAllocated)
+00111         {
+00112                 _Server->disconnect ();
+00113                 delete _Server;
+00114         }
+00115 }
+00116 
+00117 
+00118 /*
+00119  * Sends the string to the logging server
+00120  *
+00121  * Log format: "2000/01/15 12:05:30 <LogType> <ProcessName>: <Msg>"
+00122  */
+00123 void CNetDisplayer::doDisplay ( const TDisplayInfo& args, const char *message)
+00124 {
+00125         try
+00126         {
+00127                 if (_Server == NULL || !_Server->connected())
+00128                 {
+00129                         return;
+00130                 }
+00131 
+00132                 bool needSpace = false;
+00133                 stringstream ss;
+00134 
+00135                 if (args.Date != 0)
+00136                 {
+00137                         ss << dateToHumanString(args.Date);
+00138                         needSpace = true;
+00139                 }
+00140 
+00141                 if (args.LogType != CLog::LOG_NO)
+00142                 {
+00143                         if (needSpace) { ss << " "; needSpace = false; }
+00144                         ss << logTypeToString(args.LogType);
+00145                         needSpace = true;
+00146                 }
+00147 
+00148                 if (!args.ProcessName.empty())
+00149                 {
+00150                         if (needSpace) { ss << " "; needSpace = false; }
+00151                         ss << args.ProcessName;
+00152                         needSpace = true;
+00153                 }
+00154                 
+00155                 if (needSpace) { ss << ": "; needSpace = false; }
+00156 
+00157                 ss << message;
+00158 
+00159                 CMessage msg(_Server->getSIDA(), "LOG" );
+00160                 string s = ss.str();
+00161                 msg.serial( s );
+00162                 _Server->send (msg, 0, false);
+00163         }
+00164         catch( NLMISC::Exception& )
+00165         {
+00166                 // Silence
+00167         }
+00168 }
+00169 
+00170 
+00171 } // NLNET
+
net_displayer.cpp
