mirror of
https://github.com/QuantumLeaps/qpcpp.git
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304 lines
10 KiB
C++
304 lines
10 KiB
C++
//****************************************************************************
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// Model: dpp.qm
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// File: ./philo.cpp
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//
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// This code has been generated by QM tool (see state-machine.com/qm).
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// DO NOT EDIT THIS FILE MANUALLY. All your changes will be lost.
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//
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// This program is open source software: you can redistribute it and/or
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// modify it under the terms of the GNU General Public License as published
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// by the Free Software Foundation.
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//
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// This program is distributed in the hope that it will be useful, but
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// WITHOUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY
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// or FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
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// for more details.
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//****************************************************************************
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//${.::philo.cpp} ............................................................
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#include "qpcpp.h"
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#include "dpp.h"
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#include "bsp.h"
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Q_DEFINE_THIS_FILE
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// Active object class -------------------------------------------------------
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namespace DPP {
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//${AOs::Philo} ..............................................................
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class Philo : public QP::QMActive {
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private:
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QP::QTimeEvt m_timeEvt;
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public:
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Philo();
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protected:
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static QP::QState initial(Philo * const me, QP::QEvt const * const e);
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static QP::QState thinking (Philo * const me, QP::QEvt const * const e);
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static QP::QState thinking_e(Philo * const me);
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static QP::QState thinking_x(Philo * const me);
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static QP::QMState const thinking_s;
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static QP::QState hungry (Philo * const me, QP::QEvt const * const e);
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static QP::QState hungry_e(Philo * const me);
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static QP::QMState const hungry_s;
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static QP::QState eating (Philo * const me, QP::QEvt const * const e);
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static QP::QState eating_e(Philo * const me);
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static QP::QState eating_x(Philo * const me);
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static QP::QMState const eating_s;
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};
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} // namespace DPP
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namespace DPP {
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// Local objects -------------------------------------------------------------
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static Philo l_philo[N_PHILO]; // storage for all Philos
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// helper function to provide a randomized think time for Philos
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inline QP::QTimeEvtCtr think_time() {
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return static_cast<QP::QTimeEvtCtr>((BSP_random() % BSP_TICKS_PER_SEC)
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+ (BSP_TICKS_PER_SEC/2U));
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}
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// helper function to provide a randomized eat time for Philos
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inline QP::QTimeEvtCtr eat_time() {
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return static_cast<QP::QTimeEvtCtr>((BSP_random() % BSP_TICKS_PER_SEC)
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+ BSP_TICKS_PER_SEC);
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}
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// helper function to provide the ID of Philo "me"
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inline uint8_t PHILO_ID(Philo const * const me) {
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return static_cast<uint8_t>(me - l_philo);
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}
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enum InternalSignals { // internal signals
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TIMEOUT_SIG = MAX_SIG
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};
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// Global objects ------------------------------------------------------------
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QP::QMActive * const AO_Philo[N_PHILO] = { // "opaque" pointers to Philo AO
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&l_philo[0],
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&l_philo[1],
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&l_philo[2],
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&l_philo[3],
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&l_philo[4]
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};
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} // namespace DPP
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// Philo definition ----------------------------------------------------------
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namespace DPP {
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//${AOs::Philo} ..............................................................
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//${AOs::Philo::Philo} .......................................................
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Philo::Philo()
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: QMActive(Q_STATE_CAST(&Philo::initial)),
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m_timeEvt(this, TIMEOUT_SIG, 0U)
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{}
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//${AOs::Philo::SM} ..........................................................
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QP::QState Philo::initial(Philo * const me, QP::QEvt const * const e) {
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static struct {
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QP::QMState const *target;
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QP::QActionHandler act[2];
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} const tatbl_ = { // transition-action table
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&thinking_s,
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{
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Q_ACTION_CAST(&thinking_e), // entry
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Q_ACTION_CAST(0) // zero terminator
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}
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};
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// ${AOs::Philo::SM::initial}
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static bool registered = false; // starts off with 0, per C-standard
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(void)e; // suppress the compiler warning about unused parameter
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if (!registered) {
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registered = true;
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QS_OBJ_DICTIONARY(&l_philo[0]);
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QS_OBJ_DICTIONARY(&l_philo[0].m_timeEvt);
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QS_OBJ_DICTIONARY(&l_philo[1]);
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QS_OBJ_DICTIONARY(&l_philo[1].m_timeEvt);
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QS_OBJ_DICTIONARY(&l_philo[2]);
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QS_OBJ_DICTIONARY(&l_philo[2].m_timeEvt);
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QS_OBJ_DICTIONARY(&l_philo[3]);
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QS_OBJ_DICTIONARY(&l_philo[3].m_timeEvt);
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QS_OBJ_DICTIONARY(&l_philo[4]);
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QS_OBJ_DICTIONARY(&l_philo[4].m_timeEvt);
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QS_FUN_DICTIONARY(&Philo::initial);
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QS_FUN_DICTIONARY(&Philo::thinking);
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QS_FUN_DICTIONARY(&Philo::hungry);
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QS_FUN_DICTIONARY(&Philo::eating);
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}
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QS_SIG_DICTIONARY(HUNGRY_SIG, me); // signal for each Philos
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QS_SIG_DICTIONARY(TIMEOUT_SIG, me); // signal for each Philos
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me->subscribe(EAT_SIG);
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return QM_TRAN_INIT(&tatbl_);
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}
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//${AOs::Philo::SM::thinking} ................................................
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QP::QMState const Philo::thinking_s = {
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static_cast<QP::QMState const *>(0), // superstate (top)
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Q_STATE_CAST(&thinking),
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Q_ACTION_CAST(&thinking_e),
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Q_ACTION_CAST(&thinking_x),
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Q_ACTION_CAST(0) // no intitial tran.
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};
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// ${AOs::Philo::SM::thinking}
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QP::QState Philo::thinking_e(Philo * const me) {
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me->m_timeEvt.armX(think_time(), 0U);
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return QM_ENTRY(&thinking_s);
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}
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// ${AOs::Philo::SM::thinking}
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QP::QState Philo::thinking_x(Philo * const me) {
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(void)me->m_timeEvt.disarm();
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return QM_EXIT(&thinking_s);
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}
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// ${AOs::Philo::SM::thinking}
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QP::QState Philo::thinking(Philo * const me, QP::QEvt const * const e) {
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QP::QState status_;
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switch (e->sig) {
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// ${AOs::Philo::SM::thinking::TIMEOUT}
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case TIMEOUT_SIG: {
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static struct {
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QP::QMState const *target;
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QP::QActionHandler act[3];
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} const tatbl_ = { // transition-action table
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&hungry_s,
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{
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Q_ACTION_CAST(&thinking_x), // exit
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Q_ACTION_CAST(&hungry_e), // entry
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Q_ACTION_CAST(0) // zero terminator
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}
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};
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status_ = QM_TRAN(&tatbl_);
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break;
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}
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// ${AOs::Philo::SM::thinking::EAT, DONE}
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case EAT_SIG: /* intentionally fall through */
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case DONE_SIG: {
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/* EAT or DONE must be for other Philos than this one */
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Q_ASSERT(Q_EVT_CAST(TableEvt)->philoNum != PHILO_ID(me));
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status_ = QM_HANDLED();
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break;
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}
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default: {
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status_ = QM_SUPER();
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break;
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}
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}
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return status_;
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}
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//${AOs::Philo::SM::hungry} ..................................................
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QP::QMState const Philo::hungry_s = {
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static_cast<QP::QMState const *>(0), // superstate (top)
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Q_STATE_CAST(&hungry),
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Q_ACTION_CAST(&hungry_e),
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Q_ACTION_CAST(0), // no exit action
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Q_ACTION_CAST(0) // no intitial tran.
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};
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// ${AOs::Philo::SM::hungry}
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QP::QState Philo::hungry_e(Philo * const me) {
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TableEvt *pe = Q_NEW(TableEvt, HUNGRY_SIG);
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pe->philoNum = PHILO_ID(me);
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AO_Table->POST(pe, me);
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return QM_ENTRY(&hungry_s);
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}
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// ${AOs::Philo::SM::hungry}
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QP::QState Philo::hungry(Philo * const me, QP::QEvt const * const e) {
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QP::QState status_;
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switch (e->sig) {
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// ${AOs::Philo::SM::hungry::EAT}
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case EAT_SIG: {
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// ${AOs::Philo::SM::hungry::EAT::[Q_EVT_CAST(Tabl~}
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if (Q_EVT_CAST(TableEvt)->philoNum == PHILO_ID(me)) {
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static struct {
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QP::QMState const *target;
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QP::QActionHandler act[2];
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} const tatbl_ = { // transition-action table
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&eating_s,
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{
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Q_ACTION_CAST(&eating_e), // entry
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Q_ACTION_CAST(0) // zero terminator
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}
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};
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status_ = QM_TRAN(&tatbl_);
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}
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else {
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status_ = QM_UNHANDLED();
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}
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break;
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}
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// ${AOs::Philo::SM::hungry::DONE}
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case DONE_SIG: {
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/* DONE must be for other Philos than this one */
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Q_ASSERT(Q_EVT_CAST(TableEvt)->philoNum != PHILO_ID(me));
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status_ = QM_HANDLED();
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break;
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}
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default: {
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status_ = QM_SUPER();
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break;
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}
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}
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return status_;
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}
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//${AOs::Philo::SM::eating} ..................................................
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QP::QMState const Philo::eating_s = {
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static_cast<QP::QMState const *>(0), // superstate (top)
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Q_STATE_CAST(&eating),
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Q_ACTION_CAST(&eating_e),
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Q_ACTION_CAST(&eating_x),
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Q_ACTION_CAST(0) // no intitial tran.
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};
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// ${AOs::Philo::SM::eating}
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QP::QState Philo::eating_e(Philo * const me) {
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me->m_timeEvt.armX(eat_time(), 0U);
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return QM_ENTRY(&eating_s);
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}
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// ${AOs::Philo::SM::eating}
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QP::QState Philo::eating_x(Philo * const me) {
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TableEvt *pe = Q_NEW(TableEvt, DONE_SIG);
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pe->philoNum = PHILO_ID(me);
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QP::QF::PUBLISH(pe, me);
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(void)me->m_timeEvt.disarm();
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return QM_EXIT(&eating_s);
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}
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// ${AOs::Philo::SM::eating}
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QP::QState Philo::eating(Philo * const me, QP::QEvt const * const e) {
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QP::QState status_;
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switch (e->sig) {
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// ${AOs::Philo::SM::eating::TIMEOUT}
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case TIMEOUT_SIG: {
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static struct {
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QP::QMState const *target;
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QP::QActionHandler act[3];
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} const tatbl_ = { // transition-action table
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&thinking_s,
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{
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Q_ACTION_CAST(&eating_x), // exit
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Q_ACTION_CAST(&thinking_e), // entry
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Q_ACTION_CAST(0) // zero terminator
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}
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};
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status_ = QM_TRAN(&tatbl_);
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break;
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}
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// ${AOs::Philo::SM::eating::EAT, DONE}
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case EAT_SIG: /* intentionally fall through */
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case DONE_SIG: {
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/* EAT or DONE must be for other Philos than this one */
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Q_ASSERT(Q_EVT_CAST(TableEvt)->philoNum != PHILO_ID(me));
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status_ = QM_HANDLED();
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break;
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}
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default: {
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status_ = QM_SUPER();
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break;
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}
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}
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return status_;
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}
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} // namespace DPP
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