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#include "Main.h"
#include "TaskMan.h"
#include "Printer.h"
#include "AtStartExit.h"
#include "StacklessTask.h"
Balau::AtStart * Balau::AtStart::s_head = 0;
Balau::AtExit * Balau::AtExit::s_head = 0;
Balau::AtStartAsTask * Balau::AtStartAsTask::s_head = 0;
Balau::AtExitAsTask * Balau::AtExitAsTask::s_head = 0;
Balau::AtStart::AtStart(int priority) : m_priority(priority) {
if (priority < 0)
return;
AAssert(!Main::hasMain(), "An AtStart can't be created dynamically");
AtStart ** ptr = &s_head;
m_next = 0;
for (ptr = &s_head; *ptr && (priority > (*ptr)->m_priority); ptr = &((*ptr)->m_next));
m_next = *ptr;
*ptr = this;
}
Balau::AtExit::AtExit(int priority) : m_priority(priority) {
if (priority < 0)
return;
AAssert(!Main::hasMain(), "An AtExit can't be created dynamically");
AtExit ** ptr = &s_head;
m_next = 0;
for (ptr = &s_head; *ptr && (priority > (*ptr)->m_priority); ptr = &((*ptr)->m_next));
m_next = *ptr;
*ptr = this;
}
Balau::AtStartAsTask::AtStartAsTask(int priority) : m_priority(priority) {
if (priority < 0)
return;
AAssert(!Main::hasMain(), "An AtStartAsTask can't be created dynamically");
AtStartAsTask ** ptr = &s_head;
m_next = 0;
for (ptr = &s_head; *ptr && (priority > (*ptr)->m_priority); ptr = &((*ptr)->m_next));
m_next = *ptr;
*ptr = this;
}
Balau::AtExitAsTask::AtExitAsTask(int priority) : m_priority(priority) {
if (priority < 0)
return;
AAssert(!Main::hasMain(), "An AtExitAsTask can't be created dynamically");
AtExitAsTask ** ptr = &s_head;
m_next = 0;
for (ptr = &s_head; *ptr && (priority > (*ptr)->m_priority); ptr = &((*ptr)->m_next));
m_next = *ptr;
*ptr = this;
}
Balau::Main * Balau::Main::s_application = NULL;
Balau::MainTask::~MainTask() {
if (m_stopTaskManOnExit)
TaskMan::stop(0);
}
const char * Balau::MainTask::getName() const {
return "Main Task";
}
namespace Balau {
class BootstrapTask : public StacklessTask {
public:
BootstrapTask(int argc, char ** argv, char ** enve) : m_argc(argc), m_argv(argv), m_enve(enve) { }
virtual void Do() {
Balau::Task * t;
try {
switch (m_state) {
case 0:
m_ptrStart = AtStartAsTask::s_head;
m_ptrExit = AtExitAsTask::s_head;
m_state = 1;
case 1:
if (m_ptrStart) {
t = m_ptrStart->createStartTask();
if (m_waiting)
m_evt.ack();
m_evt.attachToTask(t);
m_waiting = true;
waitFor(&m_evt);
TaskMan::registerTask(t);
m_ptrStart = m_ptrStart->m_next;
yield();
}
m_state = 2;
t = new MainTask(m_argc, m_argv, m_enve);
if (m_waiting)
m_evt.ack();
m_evt.attachToTask(t);
waitFor(&m_evt);
TaskMan::registerTask(t);
yield();
case 2:
if (m_ptrExit) {
t = m_ptrExit->createExitTask();
m_evt.ack();
m_evt.attachToTask(t);
waitFor(&m_evt);
TaskMan::registerTask(t);
m_ptrExit = m_ptrExit->m_next;
yield();
}
}
}
catch (EAgain &) {
taskSwitch();
}
}
private:
virtual const char * getName() const { return "BootstrapTask"; }
int m_argc;
char ** m_argv;
char ** m_enve;
AtStartAsTask * m_ptrStart = NULL;
AtExitAsTask * m_ptrExit = NULL;
Events::TaskEvent m_evt;
bool m_waiting = false;
};
};
int Balau::Main::bootstrap(int argc, char ** argv) {
int r = 0;
m_status = STARTING;
try {
for (AtStart * ptr = AtStart::s_head; ptr; ptr = ptr->m_next)
ptr->doStart();
m_status = RUNNING;
TaskMan::registerTask(new BootstrapTask(argc, argv, NULL));
r = TaskMan::getDefaultTaskMan()->mainLoop();
}
catch (Exit & e) {
m_status = STOPPING;
Printer::log(M_ERROR, "We shouldn't have gotten an Exit exception here... exitting anyway");
auto trace = e.getTrace();
for (String & str : trace)
Printer::log(M_ERROR, "%s", str.to_charp());
r = e.getCode();
}
catch (RessourceException & e) {
m_status = STOPPING;
Printer::log(M_ERROR | M_ALERT, "The application got a ressource problem: %s", e.getMsg());
const char * details = e.getDetails();
if (details)
Printer::log(M_ERROR, " %s", details);
auto trace = e.getTrace();
for (String & str : trace)
Printer::log(M_DEBUG, "%s", str.to_charp());
r = -1;
}
catch (GeneralException & e) {
m_status = STOPPING;
Printer::log(M_ERROR | M_ALERT, "The application caused an exception: %s", e.getMsg());
const char * details = e.getDetails();
if (details)
Printer::log(M_ERROR, " %s", details);
auto trace = e.getTrace();
for (String & str : trace)
Printer::log(M_DEBUG, "%s", str.to_charp());
r = -1;
}
catch (...) {
m_status = STOPPING;
Printer::log(M_ERROR | M_ALERT, "The application caused an unknown exception");
r = -1;
}
m_status = STOPPING;
for (AtExit * ptr = AtExit::s_head; ptr; ptr = ptr->m_next)
ptr->doExit();
m_status = STOPPED;
return r;
}
extern "C" {
#ifndef BALAU_MAIN
#define BALAU_MAIN main
#endif
int BALAU_MAIN(int argc, char ** argv) {
setlocale(LC_ALL, "");
Balau::Main mainClass;
return mainClass.bootstrap(argc, argv);
}
};
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