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//=============================================================================
/**
* @file server.h
*
* @author Source code used in TAO has been modified and adapted from the codeprovided in the book
* @author "Advanced CORBA Programming with C++" by MichiHenning and Steve Vinoski. Copyright 1999. Addison-Wesley
* @author Reading
* @author MA.Modified for TAO by Mike Moran <mm4@cs.wustl.edu>
*/
//=============================================================================
#ifndef server_HH_
#define server_HH_
#include "CCSS.h"
#include "icp.h"
#include <map>
#include <list>
#include <assert.h>
#include "tao/PortableServer/PortableServer.h"
#include "tao/PortableServer/ServantLocatorC.h"
using namespace std;
class Controller_impl;
class Thermometer_impl : public virtual POA_CCS::Thermometer {
public:
// CORBA attributes
virtual CCS::ModelType model();
virtual CCS::AssetType asset_num();
virtual CCS::TempType temperature();
virtual CCS::LocType location();
virtual void location(const char *loc);
virtual void remove();
// Constructor & destructor
Thermometer_impl(CCS::AssetType anum);
virtual ~Thermometer_impl();
static Controller_impl * m_ctrl; // My controller
const CCS::AssetType m_anum; // My asset number
private:
// Helper functions
CCS::ModelType get_model();
CCS::TempType get_temp();
CCS::LocType get_loc();
void set_loc(const char * new_loc);
// Copy and assignment not supported
Thermometer_impl(const Thermometer_impl &);
void operator=(const Thermometer_impl &);
};
class Thermostat_impl :
public virtual POA_CCS::Thermostat,
public virtual Thermometer_impl {
public:
// CORBA operations
virtual CCS::TempType get_nominal();
virtual CCS::TempType set_nominal(CCS::TempType new_temp);
// Constructor and destructor
Thermostat_impl(CCS::AssetType anum);
virtual ~Thermostat_impl();
private:
// Helper functions
CCS::TempType get_nominal_temp();
CCS::TempType set_nominal_temp(CCS::TempType new_temp);
// Copy and assignment not supported
Thermostat_impl(const Thermostat_impl &);
void operator=(const Thermostat_impl &);
};
class Controller_impl : public virtual POA_CCS::Controller {
public:
// CORBA operations
virtual CCS::Controller::ThermometerSeq* list();
virtual void find(CCS::Controller::SearchSeq & slist);
virtual void change(const CCS::Controller::ThermostatSeq & tlist,
CORBA::Short delta);
virtual CCS::Thermometer_ptr
create_thermometer(
CCS::AssetType anum,
const char* loc
);
virtual CCS::Thermostat_ptr
create_thermostat(
CCS::AssetType anum,
const char* loc,
CCS::TempType temp
);
// Constructor and destructor
Controller_impl(
PortableServer::POA_ptr poa,
const char * asset_file
);
virtual ~Controller_impl();
// Helper functions to allow access to the object map
void add_impl(
CCS::AssetType anum,
Thermometer_impl * tip
);
void remove_impl(CCS::AssetType anum);
bool exists(CCS::AssetType anum);
private:
// Map of existing assets. The servant pointer is null
// the corresponding servant is not in memory.
typedef map<CCS::AssetType, Thermometer_impl *> AssetMap;
AssetMap m_assets;
// POA for thermometers and thermostats
PortableServer::POA_var m_poa;
// Name of asset number file
CORBA::String_var m_asset_file;
// Copy and assignment not supported
Controller_impl(const Controller_impl &);
void operator=(const Controller_impl &);
// Function object for the find_if algorithm to search for
// devices by location and model string.
class StrFinder {
public:
StrFinder(
CCS::Controller::SearchCriterion sc,
const char * str
) : m_sc(sc), m_str(str) {}
bool operator()(
pair<const CCS::AssetType, Thermometer_impl *> & p
) const
{
char buf[32];
switch (m_sc) {
case CCS::Controller::LOCATION:
ICP_get(p.first, "location", buf, sizeof(buf));
break;
case CCS::Controller::MODEL:
ICP_get(p.first, "model", buf, sizeof(buf));
break;
default:
assert(0); // Precondition violation
}
return strcmp(buf, m_str) == 0;
}
private:
CCS::Controller::SearchCriterion m_sc;
const char * m_str;
};
};
class DeviceLocator_impl :
public virtual PortableServer::ServantLocator {
public:
DeviceLocator_impl(Controller_impl * ctrl);
virtual PortableServer::Servant
preinvoke(
const PortableServer::ObjectId & oid,
PortableServer::POA_ptr poa,
const char * operation,
void * & cookie);
virtual void
postinvoke(
const PortableServer::ObjectId & /* oid */,
PortableServer::POA_ptr /* poa */,
const char * /* operation */,
void * /* cookie */,
PortableServer::Servant /* servant */) {}
private:
Controller_impl * m_ctrl;
typedef list<Thermometer_impl *> EvictorQueue;
typedef map<CCS::AssetType, EvictorQueue::iterator>
ActiveObjectMap;
static const unsigned int MAX_EQ_SIZE;// = 100;
EvictorQueue m_eq;
ActiveObjectMap m_aom;
// Copy and assignment not supported
DeviceLocator_impl(const DeviceLocator_impl &);
void operator=(const DeviceLocator_impl &);
};
#endif
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