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static const char *RcsId = "$Id: pollobj.cpp 22213 2013-03-07 14:32:56Z taurel $\n$Name$";
//+============================================================================
//
// file : PollObj.cpp
//
// description : C++ source code for the PollObj class.
// This class is used to store all data specific to one
// polled object and which does not need to be stored
// in the ring buffer
//
// project : TANGO
//
// author(s) : E.Taurel
//
// Copyright (C) : 2004,2005,2006,2007,2008,2009,2010,2011,2012,2013
// 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: 22213 $
//
//-============================================================================
#if HAVE_CONFIG_H
#include <ac_config.h>
#endif
#include <tango.h>
#include <pollobj.h>
#include <pollring.h>
#ifdef _TG_WINDOWS_
#include <sys/types.h>
#include <sys/timeb.h>
#else
#include <sys/time.h>
#endif /* _TG_WINDOWS_ */
namespace Tango
{
//+-------------------------------------------------------------------------
//
// method : PollObj::PollObj
//
// description : Two constructors for the PollObj class. The first one
// constructs a PollObj instance with the default polling
// ring depth
// The second one create a PollObj instance with a
// specified polling ring depth
//
// argument : in : - d : The device pointer
// - ty : The polled object type
// - na : The polled object name
// - user_upd : The polling update period (in mS)
// - r_depth : The polling ring depth
//
//--------------------------------------------------------------------------
PollObj::PollObj(DeviceImpl *d,PollObjType ty,const string &na,int user_upd)
:dev(d),type(ty),name(na),ring()
{
needed_time.tv_sec = 0;
needed_time.tv_usec = 0;
if (user_upd < 1000)
{
upd.tv_usec = user_upd * 1000;
upd.tv_sec = 0;
}
else
{
upd.tv_sec = user_upd / 1000;
upd.tv_usec = (user_upd - (upd.tv_sec * 1000)) * 1000;
}
max_delta_t = (double)(user_upd / 1000.0) * dev->get_poll_old_factor();
}
PollObj::PollObj(DeviceImpl *d,PollObjType ty,const string &na,
int user_upd,long r_depth)
:dev(d),type(ty),name(na),ring(r_depth)
{
needed_time.tv_sec = 0;
needed_time.tv_usec = 0;
if (user_upd < 1000)
{
upd.tv_usec = user_upd * 1000;
upd.tv_sec = 0;
}
else
{
upd.tv_sec = user_upd / 1000;
upd.tv_usec = (user_upd - (upd.tv_sec * 1000)) * 1000;
}
max_delta_t = (double)(user_upd / 1000.0) * dev->get_poll_old_factor();
}
//+-------------------------------------------------------------------------
//
// method : PollObj::insert_data
//
// description : These methods insert a new element in the object ring
// buffer when its real data
//
// argument : in : - res : The Any returned by the command
// - when : The date when data was read
// - needed : The time needed to execute command/attribute
// reading
//
//--------------------------------------------------------------------------
void PollObj::insert_data(CORBA::Any *res,
struct timeval &when,
struct timeval &needed)
{
omni_mutex_lock(*this);
ring.insert_data(res,when);
needed_time = needed;
}
void PollObj::insert_data(Tango::AttributeValueList *res,
struct timeval &when,
struct timeval &needed)
{
omni_mutex_lock(*this);
ring.insert_data(res,when);
needed_time = needed;
}
void PollObj::insert_data(Tango::AttributeValueList_3 *res,
struct timeval &when,
struct timeval &needed)
{
omni_mutex_lock(*this);
ring.insert_data(res,when);
needed_time = needed;
}
void PollObj::insert_data(Tango::AttributeValueList_4 *res,
struct timeval &when,
struct timeval &needed)
{
omni_mutex_lock(*this);
ring.insert_data(res,when,true);
needed_time = needed;
}
//-------------------------------------------------------------------------
//
// method : PollObj::insert_except
//
// description : This method insert a new element in the ring buffer
// when this element is an exception
//
// argument : in : - res : The DevFailed exception
// - when : The date when the exception was thrown
// - needed : The time needed for the command/attribute
// reading
//
//--------------------------------------------------------------------------
void PollObj::insert_except(Tango::DevFailed *res,
struct timeval &when,
struct timeval &needed)
{
omni_mutex_lock(*this);
ring.insert_except(res,when);
needed_time = needed;
}
//-------------------------------------------------------------------------
//
// method : PollObj::get_last_insert_date
//
// description : This method returns the date stored with the most
// recent record in the ring buffer (as a double in Sec)
//
//--------------------------------------------------------------------------
double PollObj::get_last_insert_date_i()
{
struct timeval last = ring.get_last_insert_date();
double last_d = (double)last.tv_sec + ((double)last.tv_usec / 1000000);
return last_d;
}
//-------------------------------------------------------------------------
//
// method : PollObj::get_last_cmd_result
//
// description : This method returns the last data stored in ring
// for a polled command or throw an exception if the
// command failed when it was executed
//
//--------------------------------------------------------------------------
CORBA::Any *PollObj::get_last_cmd_result()
{
omni_mutex_lock(*this);
return ring.get_last_cmd_result();
}
//-------------------------------------------------------------------------
//
// method : PollObj::get_last_attr_value
//
// description : This method returns the last data stored in ring
// for a polled attribute or throw an exception if the
// read attribuite operation failed when it was executed
//
//--------------------------------------------------------------------------
Tango::AttributeValue &PollObj::get_last_attr_value(bool lock)
{
if (lock == true)
omni_mutex_lock(*this);
return ring.get_last_attr_value();
}
Tango::AttributeValue_3 &PollObj::get_last_attr_value_3(bool lock)
{
if (lock == true)
omni_mutex_lock(*this);
return ring.get_last_attr_value_3();
}
Tango::AttributeValue_4 &PollObj::get_last_attr_value_4(bool lock)
{
if (lock == true)
omni_mutex_lock(*this);
return ring.get_last_attr_value_4();
}
//-------------------------------------------------------------------------
//
// method : PollObj::update_upd
//
// description : This method update the polling update period
//
// argument : in : - new_upd : The new update period (in mS)
//
//--------------------------------------------------------------------------
void PollObj::update_upd(int new_upd)
{
if (new_upd < 1000)
{
upd.tv_usec = new_upd * 1000;
upd.tv_sec = 0;
}
else
{
upd.tv_sec = new_upd / 1000;
upd.tv_usec = (new_upd - (upd.tv_sec * 1000)) * 1000;
}
max_delta_t = (double)(new_upd / 1000.0) * dev->get_poll_old_factor();
}
//-------------------------------------------------------------------------
//
// method : PollObj::get_cmd_history
//
// description : This method get command history from the ring buffer
//
// argument : in : - n : recodr number
// - ptr : Pointer to the sequence where command result
// should be stored
//
//--------------------------------------------------------------------------
void PollObj::get_cmd_history(long n,Tango::DevCmdHistoryList *ptr)
{
omni_mutex_lock(*this);
ring.get_cmd_history(n,ptr);
}
void PollObj::get_cmd_history(long n,Tango::DevCmdHistory_4 *ptr,Tango::CmdArgType &loc_type)
{
omni_mutex_lock(*this);
ring.get_cmd_history(n,ptr,loc_type);
}
//-------------------------------------------------------------------------
//
// method : PollObj::get_attr_history
//
// description : This method get command history from the ring buffer
//
// argument : in : - n : record number
// - ptr : Pointer to the sequence where command result
// should be stored
// - type : The attribute type
//
//--------------------------------------------------------------------------
void PollObj::get_attr_history(long n,Tango::DevAttrHistoryList *ptr,long attr_type)
{
omni_mutex_lock(*this);
ring.get_attr_history(n,ptr,attr_type);
}
void PollObj::get_attr_history(long n,Tango::DevAttrHistoryList_3 *ptr,long attr_type)
{
omni_mutex_lock(*this);
ring.get_attr_history(n,ptr,attr_type);
//
// Add attribute name in case of the attribute failed when it was read.
// (This info is not stored in ring in case of attribute reading failure)
//
for (long i = 0;i < n;i++)
{
if ((*ptr)[i].attr_failed == true)
{
(*ptr)[i].value.name = CORBA::string_dup(name.c_str());
}
}
}
void PollObj::get_attr_history(long n,Tango::DevAttrHistory_4 *ptr,long attr_type)
{
omni_mutex_lock(*this);
ring.get_attr_history(n,ptr,attr_type);
}
void PollObj::get_attr_history_43(long n,Tango::DevAttrHistoryList_3 *ptr,long attr_type)
{
omni_mutex_lock(*this);
ring.get_attr_history_43(n,ptr,attr_type);
}
} // End of Tango namespace
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