projects/smsdaemon/TaskManager.cpp

        
#include "TaskManager.h"

#include "common.h"

#include <time.h>

TaskManager::TaskManager()
 : _lastExecuted(0)
{
}
        
TaskManager::~TaskManager()
{       
        //delete any temporary tasks still in the list
        std::list<Task*>::iterator it;
        for (it = _temp_tasks.begin(); it != _temp_tasks.end(); ++it)
        {
                delete (*it);
        }
}


void TaskManager::LoadTasks()
{

        //print the loaded tasks
        std::map<std::string, Task*>::iterator it;      
        for(it = _tasks.begin(); it != _tasks.end(); ++it)
        {
                Task* tsk = (*it).second;
                if (tsk != 0)
                        Common::instance()->logMessage( std::string("Loaded task \"") + tsk->GetName() + "\"" );
        }
}


void TaskManager::AddTask(Task* task)
{
        Common* cmn = Common::instance();

        if (task != 0)
        {
                std::string name = task->GetName();

                if ( _tasks[ name ] == 0)
                        _tasks[ name ] = task;
                else
                        cmn->logMessage( std::string("AddTask() -- already have a task called ") + name);
        }
        else
        {
                cmn->logMessage("AddTask() -- cannot register a null pointer");
        }
}

void TaskManager::AddTemporaryTask(Task* task)
{
        _temp_tasks.push_back(task);
}


void TaskManager::ExecuteTasks(IGsmModem& modem)
{
        const int SLEEP_TIME = 10; //wait at least 10 seconds between executions
        int now = time(0);

        if (now < (_lastExecuted + SLEEP_TIME) ) 
                return;

        _lastExecuted = now;

        //execute real tasks

        std::map<std::string, Task*>::iterator m_it;

        for (m_it = _tasks.begin(); m_it != _tasks.end(); ++m_it)
        {
                Task* tsk = (*m_it).second;
                tsk->ExecuteTask(modem);
        }

        //execute temporary tasks

        std::list<Task*>::iterator l_it;
        for (l_it = _temp_tasks.begin(); l_it != _temp_tasks.end(); ++l_it)
        {
                Task* tsk = (*l_it);
                tsk->ExecuteTask(modem);

                if ( tsk->IsFinished() )
                {
                        delete tsk;
                        l_it = _temp_tasks.erase(l_it); 
                        
                        //now l_it points to the next element in the list,
                        //but since the for() loop will increment it before next iteration we will decrease it here
                        --l_it; 
                }
        }


}


Task* TaskManager::GetTask(const std::string& taskname)
{
        return _tasks[ taskname ];
}
1	torben	26
2			#include "TaskManager.h"
3
4			#include "common.h"
5
6	torben	82	#include <time.h>
7	torben	26
8			TaskManager::TaskManager()
9	torben	82	: _lastExecuted(0)
10	torben	26	{
11			}
12
13			TaskManager::~TaskManager()
14	torben	96	{
15			//delete any temporary tasks still in the list
16			std::list<Task*>::iterator it;
17			for (it = _temp_tasks.begin(); it != _temp_tasks.end(); ++it)
18			{
19			delete (*it);
20			}
21	torben	26	}
22
23
24			void TaskManager::LoadTasks()
25			{
26
27	torben	104	//print the loaded tasks
28			std::map<std::string, Task*>::iterator it;
29			for(it = _tasks.begin(); it != _tasks.end(); ++it)
30			{
31			Task* tsk = (*it).second;
32			if (tsk != 0)
33			Common::instance()->logMessage( std::string("Loaded task \"") + tsk->GetName() + "\"" );
34			}
35	torben	26	}
36
37	torben	82
38	torben	96	void TaskManager::AddTask(Task* task)
39	torben	82	{
40	torben	96	Common* cmn = Common::instance();
41	torben	82
42	torben	96	if (task != 0)
43	torben	82	{
44	torben	96	std::string name = task->GetName();
45	torben	82
46	torben	96	if ( _tasks[ name ] == 0)
47			_tasks[ name ] = task;
48			else
49			cmn->logMessage( std::string("AddTask() -- already have a task called ") + name);
50	torben	82	}
51	torben	96	else
52			{
53			cmn->logMessage("AddTask() -- cannot register a null pointer");
54			}
55	torben	82	}
56
57	torben	96	void TaskManager::AddTemporaryTask(Task* task)
58	torben	26	{
59	torben	96	_temp_tasks.push_back(task);
60	torben	26	}
61
62
63	torben	96	void TaskManager::ExecuteTasks(IGsmModem& modem)
64	torben	26	{
65	torben	96	const int SLEEP_TIME = 10; //wait at least 10 seconds between executions
66			int now = time(0);
67	torben	26
68	torben	96	if (now < (_lastExecuted + SLEEP_TIME) )
69			return;
70
71			_lastExecuted = now;
72
73			//execute real tasks
74
75			std::map<std::string, Task*>::iterator m_it;
76
77			for (m_it = _tasks.begin(); m_it != _tasks.end(); ++m_it)
78	torben	26	{
79	torben	96	Task* tsk = (*m_it).second;
80			tsk->ExecuteTask(modem);
81	torben	26	}
82
83	torben	96	//execute temporary tasks
84	torben	26
85	torben	96	std::list<Task*>::iterator l_it;
86			for (l_it = _temp_tasks.begin(); l_it != _temp_tasks.end(); ++l_it)
87			{
88			Task* tsk = (*l_it);
89			tsk->ExecuteTask(modem);
90
91			if ( tsk->IsFinished() )
92			{
93			delete tsk;
94			l_it = _temp_tasks.erase(l_it);
95
96			//now l_it points to the next element in the list,
97			//but since the for() loop will increment it before next iteration we will decrease it here
98			--l_it;
99			}
100			}
101
102
103	torben	26	}
104
105
106	torben	96	Task* TaskManager::GetTask(const std::string& taskname)
107			{
108			return _tasks[ taskname ];
109			}