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ThreadController.cpp
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153 lines (128 loc) · 3.04 KB
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#include "Thread.h"
#include "ThreadController.h"
ThreadController::ThreadController(unsigned long _interval): Thread(){
cached_size = 0;
clear();
setInterval(_interval);
#ifdef USE_THREAD_NAMES
// Overrides name
ThreadName = "ThreadController ";
ThreadName = ThreadName + ThreadID;
#endif
}
/*
ThreadController run() (cool stuf)
*/
void ThreadController::run(){
// Run this thread before
if(_onRun != NULL)
_onRun();
unsigned long time = millis();
int checks = 0;
for(int i = 0; i < MAX_THREADS && checks < cached_size; i++){
// Object exists? Is enabled? Timeout exceeded?
if(thread[i]){
checks++;
if(thread[i]->shouldRun(time)){
thread[i]->run();
}
}
}
// ThreadController extends Thread, so we should flag as runned thread
runned();
}
// Try to run our threads, return how long we can sleep before next needed
long ThreadController::runOrDelay(){
// Run this thread before
if(_onRun != NULL)
_onRun();
unsigned long time = millis();
int checks = 0;
long tillNext = __LONG_MAX__;
nextThread = NULL;
for(int i = 0; i < MAX_THREADS && checks < cached_size; i++){
// Object exists? Is enabled? Timeout exceeded?
Thread *t = thread[i];
if(t){
checks++;
long threadNext = t->tillRun(time);
if(threadNext <= 0){ // This thread is ready to run right now
t->run();
// threadNext = t->tillRun(time); // Check when the current thread's new deadline
if(!t->canSleep) {
tillNext = 0; // we ran something this tick, therefore tell caller it should skip the delay this time
nextThread = t;
}
}
else if(threadNext < tillNext && !t->canSleep) {
tillNext = threadNext;
nextThread = t;
}
}
}
// ThreadController extends Thread, so we should flag as runned thread
runned();
return tillNext;
}
/*
List controller (boring part)
*/
bool ThreadController::add(Thread* _thread){
// Check if the Thread already exists on the array
for(int i = 0; i < MAX_THREADS; i++){
if(thread[i] != NULL && thread[i]->ThreadID == _thread->ThreadID)
return true;
}
// Find an empty slot
for(int i = 0; i < MAX_THREADS; i++){
if(!thread[i]){
// Found a empty slot, now add Thread
thread[i] = _thread;
cached_size++;
return true;
}
}
// Array is full
return false;
}
void ThreadController::remove(size_t id){
// Find Threads with the id, and removes
for(int i = 0; i < MAX_THREADS; i++){
if(thread[i] && thread[i]->ThreadID == id){
thread[i] = NULL;
cached_size--;
return;
}
}
}
void ThreadController::remove(Thread* _thread){
remove(_thread->ThreadID);
}
void ThreadController::clear(){
for(int i = 0; i < MAX_THREADS; i++){
thread[i] = NULL;
}
cached_size = 0;
}
int ThreadController::size(bool cached){
if(cached)
return cached_size;
int size = 0;
for(int i = 0; i < MAX_THREADS; i++){
if(thread[i])
size++;
}
cached_size = size;
return cached_size;
}
Thread* ThreadController::get(int index){
int pos = -1;
for(int i = 0; i < MAX_THREADS; i++){
if(thread[i] != NULL){
pos++;
if(pos == index)
return thread[i];
}
}
return NULL;
}