projects/smsdaemon/TaskManager.cpp

        
#include "TaskManager.h"

#include "Logger.h"

#include <time.h>

#include "tasks/SpoolTask.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()
{
        static SpoolTask task;

        //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)
                        Logger::logMessage( std::string("Loaded task \"") + tsk->GetName() + "\"" );
        }
}


void TaskManager::AddPersistantTask(Task* task)
{

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

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

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


void TaskManager::ExecuteTasks(ISmsTransceiver& modem)
{
        const int SLEEP_TIME = 2; //wait this long between task 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 "Logger.h"
5
6	#include <time.h>
7
8	#include "tasks/SpoolTask.h"
9
10
11	TaskManager::TaskManager()
12	: _lastExecuted(0)
13	{
14	}
15
16	TaskManager::~TaskManager()
17	{
18	//delete any temporary tasks still in the list
19	std::list<Task*>::iterator it;
20	for (it = _temp_tasks.begin(); it != _temp_tasks.end(); ++it)
21	{
22	delete (*it);
23	}
24	}
25
26
27	void TaskManager::LoadTasks()
28	{
29	static SpoolTask task;
30
31	//print the loaded tasks
32	std::map<std::string, Task*>::iterator it;
33	for(it = _persistant_tasks.begin(); it != _persistant_tasks.end(); ++it)
34	{
35	Task* tsk = (*it).second;
36	if (tsk != 0)
37	Logger::logMessage( std::string("Loaded task \"") + tsk->GetName() + "\"" );
38	}
39	}
40
41
42	void TaskManager::AddPersistantTask(Task* task)
43	{
44
45	if (task != 0)
46	{
47	std::string name = task->GetName();
48
49	if ( _persistant_tasks[ name ] == 0)
50	_persistant_tasks[ name ] = task;
51	else
52	Logger::logMessage( std::string("AddTask() -- already have a task called ") + name);
53	}
54	else
55	{
56	Logger::logMessage("AddTask() -- cannot register a null pointer");
57	}
58	}
59
60	void TaskManager::AddTemporaryTask(Task* task)
61	{
62	_temp_tasks.push_back(task);
63	}
64
65
66	void TaskManager::ExecuteTasks(ISmsTransceiver& modem)
67	{
68	const int SLEEP_TIME = 2; //wait this long between task executions
69	int now = time(0);
70
71	if (now < (_lastExecuted + SLEEP_TIME) )
72	return;
73
74	_lastExecuted = now;
75
76	//execute real tasks
77
78	std::map<std::string, Task*>::iterator m_it;
79
80	for (m_it = _persistant_tasks.begin(); m_it != _persistant_tasks.end(); ++m_it)
81	{
82	Task* tsk = (*m_it).second;
83	tsk->ExecuteTask(modem);
84	}
85
86	//execute temporary tasks
87
88	std::list<Task*>::iterator l_it;
89	for (l_it = _temp_tasks.begin(); l_it != _temp_tasks.end(); ++l_it)
90	{
91	Task* tsk = (*l_it);
92	tsk->ExecuteTask(modem);
93
94	if ( tsk->IsFinished() )
95	{
96	delete tsk;
97	l_it = _temp_tasks.erase(l_it);
98
99	//now l_it points to the next element in the list,
100	//but since the for() loop will increment it before next iteration we will decrease it here
101	--l_it;
102	}
103	}
104
105
106	}
107
108
109	Task* TaskManager::GetPersistantTask(const std::string& taskname)
110	{
111	return _persistant_tasks[ taskname ];
112	}