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#include <sys/time.h>
#include <iostream.h>
#include "TaskMan.h"
#include "Task.h"
#include "String.h"
Task::Task() : current(0), state(TASK_ON_HOLD), stopped(false), suspended(false), wbta(0) {
TaskMan::AddTask(this);
}
Task::~Task() {
TaskMan::RemoveFromWatches(this);
}
int Task::Do() throw (GeneralException) {
return TASK_ON_HOLD;
}
int Task::Run() {
cerr << "==== Task: \"" << GetName() << "\" running.\n";
try {
state = Do();
}
catch (TaskSwitch) {
cerr << "==== Task: \"" << GetName() << "\" caugh a task switch. returning " << (state == TASK_ON_HOLD ? "TASK_ON_HOLD" : "TASK_DONE") << endl;
return state;
}
catch (GeneralException e) {
cerr << "Task " << GetName() << " caused an unexpected exception. Terminating.\n";
return TASK_DONE;
}
cerr << "==== Task: \"" << GetName() << "\" exitted. returning " << (state == TASK_ON_HOLD ? "TASK_ON_HOLD" : "TASK_DONE") << endl;
return state;
}
int Task::GetState() {
return state;
}
String Task::GetName() {
return "Unknow Task";
}
void Task::Suspend(int newstate) throw (GeneralException) {
if (newstate != -1) {
state = newstate;
}
suspended = true;
throw TaskSwitch();
}
void Task::WaitFor(Handle * h, int flags) {
TaskMan::WaitFor(h, this, flags);
}
void Task::WaitFor(Task * t) {
t->wbta = this;
}
void Task::WaitFor(pid_t p) {
TaskMan::WaitFor(p, this);
}
void Task::WaitFor(timeval t, int flags) {
TaskMan::WaitFor(t, this, flags);
}
void Task::SetBurst() {
state = TASK_BURST;
}
void Task::Stop() {
stopped = true;
}
void Task::Restart() {
stopped = false;
}
bool Task::IsStopped() {
return stopped;
}
Task * Task::WaitedBy() {
return wbta;
}
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