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#include "TaskManager.h" |
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#include "common.h" |
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#include <time.h> |
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TaskManager::TaskManager() |
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: _lastExecuted(0) |
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{ |
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} |
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TaskManager::~TaskManager() |
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{ |
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//delete any temporary tasks still in the list |
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std::list<Task*>::iterator it; |
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for (it = _temp_tasks.begin(); it != _temp_tasks.end(); ++it) |
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{ |
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delete (*it); |
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} |
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} |
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|
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void TaskManager::LoadTasks() |
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{ |
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|
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//print the loaded tasks |
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std::map<std::string, Task*>::iterator it; |
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for(it = _persistant_tasks.begin(); it != _persistant_tasks.end(); ++it) |
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{ |
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Task* tsk = (*it).second; |
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if (tsk != 0) |
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Common::instance()->logMessage( std::string("Loaded task \"") + tsk->GetName() + "\"" ); |
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} |
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} |
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void TaskManager::AddPersistantTask(Task* task) |
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{ |
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Common* cmn = Common::instance(); |
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if (task != 0) |
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{ |
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std::string name = task->GetName(); |
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if ( _persistant_tasks[ name ] == 0) |
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_persistant_tasks[ name ] = task; |
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else |
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cmn->logMessage( std::string("AddTask() -- already have a task called ") + name); |
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} |
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else |
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{ |
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cmn->logMessage("AddTask() -- cannot register a null pointer"); |
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} |
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} |
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void TaskManager::AddTemporaryTask(Task* task) |
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{ |
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_temp_tasks.push_back(task); |
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} |
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void TaskManager::ExecuteTasks(IGsmModem& modem) |
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{ |
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const int SLEEP_TIME = 10; //wait at least 10 seconds between executions |
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int now = time(0); |
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if (now < (_lastExecuted + SLEEP_TIME) ) |
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return; |
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_lastExecuted = now; |
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|
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//execute real tasks |
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std::map<std::string, Task*>::iterator m_it; |
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for (m_it = _persistant_tasks.begin(); m_it != _persistant_tasks.end(); ++m_it) |
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{ |
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Task* tsk = (*m_it).second; |
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tsk->ExecuteTask(modem); |
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} |
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|
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//execute temporary tasks |
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std::list<Task*>::iterator l_it; |
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for (l_it = _temp_tasks.begin(); l_it != _temp_tasks.end(); ++l_it) |
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{ |
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Task* tsk = (*l_it); |
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tsk->ExecuteTask(modem); |
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|
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if ( tsk->IsFinished() ) |
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{ |
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delete tsk; |
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l_it = _temp_tasks.erase(l_it); |
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//now l_it points to the next element in the list, |
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//but since the for() loop will increment it before next iteration we will decrease it here |
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--l_it; |
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} |
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} |
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} |
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Task* TaskManager::GetPersistantTask(const std::string& taskname) |
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{ |
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return _persistant_tasks[ taskname ]; |
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} |