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 = _persistant_tasks.begin(); it != _persistant_tasks.end(); ++it)
        {
                Task* tsk = (*it).second;
                if (tsk != 0)
                        Common::instance()->logMessage( std::string("Loaded task \"") + tsk->GetName() + "\"" );
        }
}


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

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

                if ( _persistant_tasks[ name ] == 0)
                        _persistant_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 = _persistant_tasks.begin(); m_it != _persistant_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::GetPersistantTask(const std::string& taskname)
{
        return _persistant_tasks[ taskname ];
}
1
2	#include "TaskManager.h"
3
4	#include "common.h"
5
6	#include <time.h>
7
8	TaskManager::TaskManager()
9	: _lastExecuted(0)
10	{
11	}
12
13	TaskManager::~TaskManager()
14	{
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	}
22
23
24	void TaskManager::LoadTasks()
25	{
26
27	//print the loaded tasks
28	std::map<std::string, Task*>::iterator it;
29	for(it = _persistant_tasks.begin(); it != _persistant_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	}
36
37
38	void TaskManager::AddPersistantTask(Task* task)
39	{
40	Common* cmn = Common::instance();
41
42	if (task != 0)
43	{
44	std::string name = task->GetName();
45
46	if ( _persistant_tasks[ name ] == 0)
47	_persistant_tasks[ name ] = task;
48	else
49	cmn->logMessage( std::string("AddTask() -- already have a task called ") + name);
50	}
51	else
52	{
53	cmn->logMessage("AddTask() -- cannot register a null pointer");
54	}
55	}
56
57	void TaskManager::AddTemporaryTask(Task* task)
58	{
59	_temp_tasks.push_back(task);
60	}
61
62
63	void TaskManager::ExecuteTasks(IGsmModem& modem)
64	{
65	const int SLEEP_TIME = 10; //wait at least 10 seconds between executions
66	int now = time(0);
67
68	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 = _persistant_tasks.begin(); m_it != _persistant_tasks.end(); ++m_it)
78	{
79	Task* tsk = (*m_it).second;
80	tsk->ExecuteTask(modem);
81	}
82
83	//execute temporary tasks
84
85	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	}
104
105
106	Task* TaskManager::GetPersistantTask(const std::string& taskname)
107	{
108	return _persistant_tasks[ taskname ];
109	}