qpcpp/examples/qt/dpp-qml/philo.cpp
2020-11-09 12:57:45 -05:00

247 lines
7.9 KiB
C++

//.$file${.::philo.cpp} vvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvv
//
// Model: dpp.qm
// File: ${.::philo.cpp}
//
// This code has been generated by QM 5.1.0 <www.state-machine.com/qm/>.
// DO NOT EDIT THIS FILE MANUALLY. All your changes will be lost.
//
// This program is open source software: you can redistribute it and/or
// modify it under the terms of the GNU General Public License as published
// by the Free Software Foundation.
//
// This program is distributed in the hope that it will be useful, but
// WITHOUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY
// or FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
// for more details.
//
//.$endhead${.::philo.cpp} ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
#include "qpcpp.hpp"
#include "dpp.hpp"
#include "bsp.hpp"
Q_DEFINE_THIS_FILE
// Active object class -------------------------------------------------------
//.$declare${AOs::Philo} vvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvv
namespace DPP {
//.${AOs::Philo} .............................................................
class Philo : public QP::QActive {
private:
QP::QTimeEvt m_timeEvt;
public:
Philo();
protected:
Q_STATE_DECL(initial);
Q_STATE_DECL(thinking);
Q_STATE_DECL(hungry);
Q_STATE_DECL(eating);
};
} // namespace DPP
//.$enddecl${AOs::Philo} ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
namespace DPP {
// Local objects -------------------------------------------------------------
static Philo l_philo[N_PHILO]; // storage for all Philos
// helper function to provide a randomized think time for Philos
inline QP::QTimeEvtCtr think_time() {
return static_cast<QP::QTimeEvtCtr>((BSP_random() % BSP_TICKS_PER_SEC)
+ (BSP_TICKS_PER_SEC/2U));
}
// helper function to provide a randomized eat time for Philos
inline QP::QTimeEvtCtr eat_time() {
return static_cast<QP::QTimeEvtCtr>((BSP_random() % BSP_TICKS_PER_SEC)
+ BSP_TICKS_PER_SEC);
}
// helper function to provide the ID of Philo "this"
inline uint8_t PHILO_ID(Philo const * const me) {
return static_cast<uint8_t>(me - l_philo);
}
enum InternalSignals { // internal signals
TIMEOUT_SIG = MAX_SIG
};
// Global objects ------------------------------------------------------------
QP::QActive * const AO_Philo[N_PHILO] = { // "opaque" pointers to Philo AO
&l_philo[0],
&l_philo[1],
&l_philo[2],
&l_philo[3],
&l_philo[4]
};
} // namespace DPP
// Philo definition ----------------------------------------------------------
//.$skip${QP_VERSION} vvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvv
//. Check for the minimum required QP version
#if (QP_VERSION < 680U) || (QP_VERSION != ((QP_RELEASE^4294967295U) % 0x3E8U))
#error qpcpp version 6.8.0 or higher required
#endif
//.$endskip${QP_VERSION} ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
//.$define${AOs::Philo} vvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvv
namespace DPP {
//.${AOs::Philo} .............................................................
//.${AOs::Philo::Philo} ......................................................
Philo::Philo()
: QActive(Q_STATE_CAST(&Philo::initial)),
m_timeEvt(this, TIMEOUT_SIG, 0U)
{}
//.${AOs::Philo::SM} .........................................................
Q_STATE_DEF(Philo, initial) {
//.${AOs::Philo::SM::initial}
static bool registered = false; // starts off with 0, per C-standard
(void)e; // suppress the compiler warning about unused parameter
if (!registered) {
registered = true;
QS_OBJ_DICTIONARY(&l_philo[0]);
QS_OBJ_DICTIONARY(&l_philo[0].m_timeEvt);
QS_OBJ_DICTIONARY(&l_philo[1]);
QS_OBJ_DICTIONARY(&l_philo[1].m_timeEvt);
QS_OBJ_DICTIONARY(&l_philo[2]);
QS_OBJ_DICTIONARY(&l_philo[2].m_timeEvt);
QS_OBJ_DICTIONARY(&l_philo[3]);
QS_OBJ_DICTIONARY(&l_philo[3].m_timeEvt);
QS_OBJ_DICTIONARY(&l_philo[4]);
QS_OBJ_DICTIONARY(&l_philo[4].m_timeEvt);
QS_FUN_DICTIONARY(&Philo::initial);
QS_FUN_DICTIONARY(&Philo::thinking);
QS_FUN_DICTIONARY(&Philo::hungry);
QS_FUN_DICTIONARY(&Philo::eating);
}
QS_SIG_DICTIONARY(HUNGRY_SIG, this); // signal for each Philos
QS_SIG_DICTIONARY(TIMEOUT_SIG, this); // signal for each Philos
subscribe(EAT_SIG);
QS_FUN_DICTIONARY(&Philo::thinking);
QS_FUN_DICTIONARY(&Philo::hungry);
QS_FUN_DICTIONARY(&Philo::eating);
return tran(&thinking);
}
//.${AOs::Philo::SM::thinking} ...............................................
Q_STATE_DEF(Philo, thinking) {
QP::QState status_;
switch (e->sig) {
//.${AOs::Philo::SM::thinking}
case Q_ENTRY_SIG: {
m_timeEvt.armX(think_time());
status_ = Q_RET_HANDLED;
break;
}
//.${AOs::Philo::SM::thinking}
case Q_EXIT_SIG: {
(void)m_timeEvt.disarm();
status_ = Q_RET_HANDLED;
break;
}
//.${AOs::Philo::SM::thinking::TIMEOUT}
case TIMEOUT_SIG: {
status_ = tran(&hungry);
break;
}
//.${AOs::Philo::SM::thinking::EAT, DONE}
case EAT_SIG: // intentionally fall through
case DONE_SIG: {
/* EAT or DONE must be for other Philos than this one */
Q_ASSERT(Q_EVT_CAST(TableEvt)->philoNum != PHILO_ID(this));
status_ = Q_RET_HANDLED;
break;
}
default: {
status_ = super(&top);
break;
}
}
return status_;
}
//.${AOs::Philo::SM::hungry} .................................................
Q_STATE_DEF(Philo, hungry) {
QP::QState status_;
switch (e->sig) {
//.${AOs::Philo::SM::hungry}
case Q_ENTRY_SIG: {
AO_Table->POST(Q_NEW(TableEvt, HUNGRY_SIG, PHILO_ID(this)), this);
status_ = Q_RET_HANDLED;
break;
}
//.${AOs::Philo::SM::hungry::EAT}
case EAT_SIG: {
//.${AOs::Philo::SM::hungry::EAT::[Q_EVT_CAST(TableEvt)->philoNum=~}
if (Q_EVT_CAST(TableEvt)->philoNum == PHILO_ID(this)) {
status_ = tran(&eating);
}
else {
status_ = Q_RET_UNHANDLED;
}
break;
}
//.${AOs::Philo::SM::hungry::DONE}
case DONE_SIG: {
/* DONE must be for other Philos than this one */
Q_ASSERT(Q_EVT_CAST(TableEvt)->philoNum != PHILO_ID(this));
status_ = Q_RET_HANDLED;
break;
}
default: {
status_ = super(&top);
break;
}
}
return status_;
}
//.${AOs::Philo::SM::eating} .................................................
Q_STATE_DEF(Philo, eating) {
QP::QState status_;
switch (e->sig) {
//.${AOs::Philo::SM::eating}
case Q_ENTRY_SIG: {
m_timeEvt.armX(think_time());
status_ = Q_RET_HANDLED;
break;
}
//.${AOs::Philo::SM::eating}
case Q_EXIT_SIG: {
QP::QF::PUBLISH(Q_NEW(TableEvt, DONE_SIG, PHILO_ID(this)), this);
(void)m_timeEvt.disarm();
status_ = Q_RET_HANDLED;
break;
}
//.${AOs::Philo::SM::eating::TIMEOUT}
case TIMEOUT_SIG: {
status_ = tran(&thinking);
break;
}
//.${AOs::Philo::SM::eating::EAT, DONE}
case EAT_SIG: // intentionally fall through
case DONE_SIG: {
/* EAT or DONE must be for other Philos than this one */
Q_ASSERT(Q_EVT_CAST(TableEvt)->philoNum != PHILO_ID(this));
status_ = Q_RET_HANDLED;
break;
}
default: {
status_ = super(&top);
break;
}
}
return status_;
}
} // namespace DPP
//.$enddef${AOs::Philo} ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^