TAO/examples/Advanced/ch_8_and_10/server.h

   1 //=============================================================================
   2 /**
   3  *  @file    server.h
   4  *
   5  *  @author Source code used in TAO has been modified and adapted from the codeprovided in the book
   6  *  @author "Advanced CORBA Programming with C++" by MichiHenning and Steve Vinoski. Copyright 1999. Addison-Wesley
   7  *  @author Reading
   8  *  @author MA.Modified for TAO by Mike Moran <mm4@cs.wustl.edu>
   9  */
  10 //=============================================================================
  11
  12
  13
  14
  15 #ifndef server_HH_
  16 #define server_HH_
  17
  18 #include "CCSS.h"
  19 #include <map>
  20 #include <iostream>
  21 #include <assert.h>
  22
  23 using namespace std;
  24
  25 class Controller_impl;
  26
  27 class Thermometer_impl : public virtual POA_CCS::Thermometer {
  28 public:
  29     // CORBA attributes
  30     virtual CCS::ModelType  model();
  31     virtual CCS::AssetType  asset_num();
  32     virtual CCS::TempType   temperature();
  33     virtual CCS::LocType    location();
  34     virtual void            location(const char * loc);
  35
  36     // Constructor and destructor
  37     Thermometer_impl(CCS::AssetType anum, const char * location);
  38     virtual ~Thermometer_impl();
  39
  40     static Controller_impl *    m_ctrl; // My controller
  41
  42 protected:
  43     const CCS::AssetType        m_anum; // My asset number
  44
  45 private:
  46     // Helper functions
  47     CCS::ModelType  get_model();
  48     CCS::TempType   get_temp();
  49     CCS::LocType    get_loc();
  50     void            set_loc(const char * new_loc);
  51
  52     // Copy and assignment not supported
  53     Thermometer_impl(const Thermometer_impl &);
  54     void operator=(const Thermometer_impl &);
  55 };
  56
  57 class Thermostat_impl :
  58     public virtual POA_CCS::Thermostat,
  59     public virtual Thermometer_impl {
  60 public:
  61     // CORBA operations
  62     virtual CCS::TempType get_nominal();
  63     virtual CCS::TempType set_nominal(CCS::TempType new_temp);
  64
  65     // Constructor and destructor
  66     Thermostat_impl(
  67         CCS::AssetType  anum,
  68         const char *    location,
  69         CCS::TempType   nominal_temp
  70     );
  71     virtual ~Thermostat_impl() {}
  72
  73 private:
  74     // Helper functions
  75     CCS::TempType get_nominal_temp();
  76     CCS::TempType set_nominal_temp(CCS::TempType new_temp);
  77
  78     // Copy and assignment not supported
  79     Thermostat_impl(const Thermostat_impl &);
  80     void operator=(const Thermostat_impl &);
  81 };
  82
  83 class Controller_impl : public virtual POA_CCS::Controller {
  84 public:
  85     // CORBA operations
  86     virtual CCS::Controller::ThermometerSeq* list();
  87     virtual void find(CCS::Controller::SearchSeq & slist);
  88     virtual void change(const CCS::Controller::ThermostatSeq & tlist,
  89                         CORBA::Short                           delta);
  90
  91     // Constructor and destructor
  92     Controller_impl() {}
  93     virtual ~Controller_impl() {}
  94
  95     // Helper functions to allow thermometers and
  96     // thermostats to add themselves to the m_assets map
  97     // and to remove themselves again.
  98     void    add_impl(CCS::AssetType anum, Thermometer_impl * tip);
  99     void    remove_impl(CCS::AssetType anum);
 100
 101 private:
 102     // Map of known servants
 103     typedef map<CCS::AssetType, Thermometer_impl *> AssetMap;
 104     AssetMap m_assets;
 105
 106     // Copy and assignment not supported
 107     Controller_impl(const Controller_impl &);
 108     void operator=(const Controller_impl &);
 109
 110     // Function object for the find_if algorithm to search for
 111     // devices by location and model string.
 112     class StrFinder {
 113     public:
 114         StrFinder(
 115             CCS::Controller::SearchCriterion    sc,
 116             const char *                        str
 117         ) : m_sc(sc), m_str(str) {}
 118         bool operator()(
 119             pair<const CCS::AssetType, Thermometer_impl *> & p) const
 120         {
 121             switch (m_sc) {
 122             case CCS::Controller::LOCATION:
 123                 return strcmp(p.second->location(), m_str) == 0;
 124                 break;
 125             case CCS::Controller::MODEL:
 126                 return strcmp(p.second->model(), m_str) == 0;
 127                 break;
 128             default:
 129               assert(0);  // Precondition violation
 130             }
 131             return 0;       // Stops compiler warning
 132         }
 133     private:
 134         CCS::Controller::SearchCriterion    m_sc;
 135         const char *                        m_str;
 136     };
 137 };
 138
 139 #endif