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static const char *RcsId = "$Id: tangoappender.cpp 28423 2015-09-02 15:05:25Z taurel $\n$Name$";
//+=============================================================================
//
// file : tangoappender.cpp
//
// description :
//
// project : TANGO
//
// author(s) : N.Leclercq - SOLEIL
//
// Copyright (C) : 2004,2005,2006,2007,2008,2009,2010,2011,2012,2013,2014,2015
// European Synchrotron Radiation Facility
// BP 220, Grenoble 38043
// FRANCE
//
// This file is part of Tango.
//
// Tango is free software: you can redistribute it and/or modify
// it under the terms of the GNU Lesser General Public License as published by
// the Free Software Foundation, either version 3 of the License, or
// (at your option) any later version.
//
// Tango is distributed in the hope that it will be useful,
// but WITHOUT ANY WARRANTY; without even the implied warranty of
// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
// GNU Lesser General Public License for more details.
//
// You should have received a copy of the GNU Lesser General Public License
// along with Tango. If not, see <http://www.gnu.org/licenses/>.
//
//
// $Revision: 28423 $
//
//-=============================================================================
#if HAVE_CONFIG_H
#include <ac_config.h>
#endif
#include <tango.h>
#include <iomanip>
#ifdef TANGO_HAS_LOG4TANGO
#include <tangoappender.h>
#define USE_ASYNC_CALL
namespace Tango
{
TangoAppender::TangoAppender (const std::string& src_name,
const std::string& name,
const std::string& dev_name,
bool open_connection)
: log4tango::Appender(name),
_dev_name(dev_name),
_src_name(src_name),
_dev_proxy(0)
{
_req_ctr = 0;
if (open_connection == true)
reopen();
}
TangoAppender::~TangoAppender ()
{
close();
}
bool TangoAppender::requires_layout (void) const
{
return false;
}
void TangoAppender::set_layout (log4tango::Layout*)
{
// no-op
}
bool TangoAppender::is_valid (void) const
{
if (!_dev_proxy) {
return false;
}
try {
_dev_proxy->ping();
} catch (...) {
return false;
}
return true;
}
int TangoAppender::_append (const log4tango::LoggingEvent& event)
{
//------------------------------------------------------------
//- DO NOT LOG FROM THIS METHOD !!!
//------------------------------------------------------------
if (!_dev_proxy) {
//--DO NOT RETURN -1 (ERROR ALREADY HANDLED)
return 0;
}
try {
Tango::DevVarStringArray *dvsa = new Tango::DevVarStringArray(6);
if (dvsa) {
dvsa->length(6);
double ts_ms = 1000. * event.timestamp.get_seconds();
ts_ms += event.timestamp.get_milliseconds();
TangoSys_OMemStream ts_ms_str;
ts_ms_str << std::fixed
<< std::noshowpoint
<< std::setprecision(0)
<< ts_ms
<< ends;
string st = ts_ms_str.str();
(*dvsa)[0] = CORBA::string_dup(st.c_str());
(*dvsa)[1] = CORBA::string_dup(log4tango::Level::get_name(event.level).c_str());
(*dvsa)[2] = CORBA::string_dup(event.logger_name.c_str());
(*dvsa)[3] = CORBA::string_dup(event.message.c_str());
(*dvsa)[4] = CORBA::string_dup("");
omni_thread* ct = omni_thread::self();
if (ct) {
TangoSys_OMemStream ctstr;
ctstr << "@" << hex << event.thread_id << " [" << ct->id() << "]"<< ends;
string st = ctstr.str();
(*dvsa)[5] = CORBA::string_dup(st.c_str());
} else {
(*dvsa)[5] = CORBA::string_dup("unknown");
}
DeviceData argin;
argin << dvsa;
#ifdef USE_ASYNC_CALL
_dev_proxy->command_inout_asynch("Log", argin, false);
_req_ctr++;
if ((_req_ctr % 10) == 0)
_dev_proxy->cancel_all_polling_asynch_request();
#else
_dev_proxy->command_inout("Log", argin);
#endif
}
}
catch (...) {
close();
return -1;
}
return 0;
}
bool TangoAppender::reopen (void)
{
bool result = true;
try {
close();
_dev_proxy = new DeviceProxy(const_cast<std::string&>(_dev_name));
try {
DeviceData argin;
argin << const_cast<std::string&>(_src_name);
#ifdef USE_ASYNC_CALL
_dev_proxy->command_inout_asynch("Register", argin, true);
#else
_dev_proxy->command_inout("Register", argin);
#endif
}
catch (...) {
}
}
catch (...) {
close();
result = false;
}
return result;
}
void TangoAppender::close (void)
{
if (_dev_proxy) {
try {
DeviceData argin;
argin << const_cast<std::string&>(_src_name);
#ifdef USE_ASYNC_CALL
_dev_proxy->command_inout_asynch("UnRegister", argin, true);
#else
_dev_proxy->command_inout("UnRegister", argin);
#endif
}
catch (...) {
// Ignore error: some old logviewer may not support UnRegister
}
delete _dev_proxy;
_dev_proxy = 0;
}
}
} // namespace tango
#endif // TANGO_HAS_LOG4TANGO
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