puai_wj_2021/system/system_executor.cpp

//
// Created by huli on 2020/7/2.
//

#include "system_executor.h"
#include "../message/measure_message.pb.h"
#include "../laser/laser_manager.h"
#include "../locate/locate_manager.h"
#include "../system/system_communication.h"

System_executor::System_executor()
{

}

System_executor::~System_executor()
{
	system_executor_uninit();
}

//初始化
Error_manager System_executor::system_executor_init(int threads_size)
{
	m_thread_pool.thread_pool_init(threads_size);
	m_system_executor_status = SYSTEM_EXECUTOR_READY;
	return Error_code::SUCCESS;
}

//反初始化
Error_manager System_executor::system_executor_uninit()
{
	m_thread_pool.thread_pool_uninit();
	m_system_executor_status = SYSTEM_EXECUTOR_UNKNOW;
	return Error_code::SUCCESS;
}

//检查执行者的状态, 判断能否处理这条消息,
Error_manager System_executor::check_executer(Communication_message* p_msg)
{
	if ( p_msg == NULL )
	{
		return Error_manager(Error_code::POINTER_IS_NULL, Error_level::MINOR_ERROR,
							 "  POINTER IS NULL ");
	}

	Error_manager t_error;
	//通过 p_msg->get_message_type() 和 p_msg->get_receiver() 找到处理模块的实例对象, 查询执行人是否可以处理这条消息
	switch ( p_msg->get_message_type() )
	{
		case Communication_message::Message_type::eLocate_request_msg:
		{
			Error_manager t_laser_result = Laser_manager::get_instance_references().check_status();
			Error_manager t_executor_result = System_executor::get_instance_references().check_status();
			Error_manager t_locate_result = Locate_manager::get_instance_references().check_status();

			if (t_laser_result == SUCCESS
				&& t_executor_result == SUCCESS
				&& t_locate_result == SUCCESS)
			{
				return Error_code::SUCCESS;
			}
			else
			{
				//整合所有的错误码
				t_error.compare_and_cover_error(t_laser_result);
				t_error.compare_and_cover_error(t_executor_result);
				t_error.compare_and_cover_error(t_locate_result);
				if (t_error.get_error_level() == NEGLIGIBLE_ERROR)//一级故障,轻微故障,
				{
					std::cout << "executer_is_busy , " << std::endl;
					//返回繁忙之后, 通信模块1秒后再次调用check
					return Error_code::COMMUNICATION_EXCUTER_IS_BUSY;
				}
				else//返回二级故障,可以封装一条答复信息, 返回错误码
				{
					message::Measure_request_msg t_measure_request_msg;
					//针对消息类型, 对消息进行二次解析
					if (t_measure_request_msg.ParseFromString(p_msg->get_message_buf()))
					{
						//创建一条答复消息
						message::Measure_response_msg t_measure_response_msg;
						t_measure_response_msg.mutable_base_info()->set_msg_type(message::Message_type::eLocate_response_msg);
						t_measure_response_msg.mutable_base_info()->set_timeout_ms(5000);
						t_measure_response_msg.mutable_base_info()->set_sender(message::Communicator::eMeasurer);
						t_measure_response_msg.mutable_base_info()->set_receiver(message::Communicator::eMain);

						t_measure_response_msg.set_command_id(t_measure_request_msg.command_id());
						t_measure_response_msg.set_terminal_id(t_measure_request_msg.terminal_id());
						t_measure_response_msg.mutable_error_manager()->set_error_code(t_error.get_error_code());
						t_measure_response_msg.mutable_error_manager()->set_error_level((message::Error_level)t_error.get_error_level());
						t_measure_response_msg.mutable_error_manager()->set_error_description(t_error.get_error_description());

						string t_msg = t_measure_response_msg.SerializeAsString();
						System_communication::get_instance_references().encapsulate_msg(t_msg);
						LOG(INFO) << " System_executor::check_executer executer status error "<< this;
						return t_error;
					}
					else
					{
						LOG(INFO) << " System_executor::check_executer second PARSE_ERROR "<< this;
						return Error_manager(Error_code::SYSTEM_EXECUTOR_PARSE_ERROR, Error_level::MINOR_ERROR,
											 " message::Measure_request_msg  ParseFromString error ");
					}
				}
			}
			break;
		}
		default :
			;
			break;
	}


	return t_error;
}


//处理消息的执行函数
Error_manager System_executor::execute_msg(Communication_message* p_msg)
{
	if ( p_msg == NULL )
	{
		return Error_manager(Error_code::POINTER_IS_NULL, Error_level::MINOR_ERROR,
							 "  POINTER IS NULL ");
	}
	switch ( p_msg->get_message_type() )
	{
		case Communication_message::eLocate_request_msg:
			message::Measure_request_msg t_measure_request_msg;
			//针对消息类型, 对消息进行二次解析
			if( t_measure_request_msg.ParseFromString(p_msg->get_message_buf()) )
			{
				//往线程池添加执行任务, 之后会唤醒一个线程去执行他.
				m_thread_pool.enqueue(&System_executor::execute_for_measure, this,
				t_measure_request_msg.command_id(), t_measure_request_msg.terminal_id());
			}
			else
			{
			    return Error_manager(Error_code::SYSTEM_EXECUTOR_PARSE_ERROR, Error_level::MINOR_ERROR,
			    					" message::Measure_request_msg  ParseFromString error ");
			}
			break;

	}


	return Error_code::SUCCESS;
}

//检查状态
Error_manager System_executor::check_status()
{
	if ( m_system_executor_status == SYSTEM_EXECUTOR_READY )
	{
		if ( m_thread_pool.thread_is_full_load() == false )
		{
		    return Error_code::SUCCESS;
		}
		else
		{
		    return Error_manager(Error_code::SYSTEM_EXECUTOR_STATUS_BUSY, Error_level::NEGLIGIBLE_ERROR,
		    					" System_executor::check_status error ");
		}
	}
	else
	{
		return Error_manager(Error_code::SYSTEM_EXECUTOR_STATUS_ERROR, Error_level::MINOR_ERROR,
							" System_executor::check_status error ");
	}
}

//判断是否为待机，如果已经准备好，则可以执行任务。
bool System_executor::is_ready()
{
	if ( m_system_executor_status == SYSTEM_EXECUTOR_READY && m_thread_pool.thread_is_full_load() == false )
	{
	    return true;
	}
	else
	{
		return false;
	}
}

System_executor::System_executor_status System_executor::get_system_executor_status()
{
	return m_system_executor_status;
}




//雷达感测定位 的处理函数
//input::command_id, 消息指令id, 由主控制系统生成的唯一码
//input::command_id, 终端id, 对应具体的某个车位
//return::void, 没有返回, 执行结果直接生成一条答复消息, 然后通过通信返回
void System_executor::execute_for_measure(int command_id, int terminal_id)
{
	Error_manager t_error;

	LOG(INFO) << " System_executor::execute_for_measure run "<< this;

	//第一步, 创建点云缓存, 和 指定雷达,目前就一个
	std::map<int,pcl::PointCloud<pcl::PointXYZ>::Ptr>		point_cloud_map;
	std::mutex cloud_lock;
	std::vector<int> select_laser_id_vector;
	select_laser_id_vector.push_back(0);

	//第二步, 按照时间生成中间文件的保存路径
	time_t nowTime;
	nowTime = time(NULL);
	struct tm* sysTime = localtime(&nowTime);
	char t_save_path[256] = { 0 };
	sprintf(t_save_path, "../data/%04d%02d%02d_%02d%02d%02d",
			sysTime->tm_year + 1900, sysTime->tm_mon + 1, sysTime->tm_mday, sysTime->tm_hour, sysTime->tm_min, sysTime->tm_sec);


	//第三步, 创建雷达管理模块的任务单, 并发送到 laser_manager
	Laser_manager_task  laser_manager_task ;
	laser_manager_task.task_init(TASK_CREATED,"",NULL,std::chrono::milliseconds(15000),
								  true,t_save_path,&cloud_lock,&point_cloud_map,false,
								  1000,false,select_laser_id_vector	);
	t_error = Task_command_manager::get_instance_references().execute_task(&laser_manager_task);
//			tp_laser_manager->execute_task(laser_manager_task);


	//第四步, 等待任务单完成
	if ( t_error != Error_code::SUCCESS )
	{
		LOG(INFO) << " Laser_manager  execute_task   error "<< this;
	}
	else
	{
		//判断任务是否结束, 阻塞 等待, 直到任务完成或者超时
		while ( laser_manager_task.is_task_end() == false)
		{
			if ( laser_manager_task.is_over_time() )
			{
				//超时处理。取消任务。
				Laser_manager::get_instance_pointer()->cancel_task();
				laser_manager_task.set_task_statu(TASK_DEAD);
				t_error.error_manager_reset(Error_code::LASER_MANAGER_TASK_OVER_TIME, Error_level::MINOR_ERROR,
											" laser_manager_task is_over_time ");
				laser_manager_task.set_task_error_manager(t_error);
			}
			else
			{
				//继续等待
				std::this_thread::sleep_for(std::chrono::microseconds(1));
				std::this_thread::yield();
			}
		}

		//提取任务单 的错误码
		t_error = laser_manager_task.get_task_error_manager();
		std::cout << "huli laser_manager_task error :::::::"  << laser_manager_task.get_task_error_manager().to_string() << std::endl;
	}


	Locate_manager_task locate_manager_task ;
	//第五步, 创建定位模块的任务单, 并发送到 Locate_manager
	if ( t_error != Error_code::SUCCESS )
	{
	    LOG(INFO) << " laser_manager_task error "<< this;
	}
	else
	{

		locate_manager_task.task_init(TASK_CREATED,"",NULL,std::chrono::milliseconds(15000),
									   true,t_save_path,&cloud_lock,&point_cloud_map,true	);
		t_error = Task_command_manager::get_instance_references().execute_task(&locate_manager_task);

		//第六步, 等待任务单完成
		if ( t_error != Error_code::SUCCESS )
		{
			LOG(INFO) << " Locate_manager  execute_task error "<< this;
		}
		else
		{
			//判断任务是否结束, 阻塞 等待, 直到任务完成或者超时
			while ( locate_manager_task.is_task_end() == false)
			{
				if ( locate_manager_task.is_over_time() )
				{
					//超时处理。取消任务。
					Locate_manager::get_instance_pointer()->cancel_task();
					locate_manager_task.set_task_statu(TASK_DEAD);
					t_error.error_manager_reset(Error_code::LOCATE_MANAGER_TASK_OVER_TIME, Error_level::MINOR_ERROR,
												" locate_manager_task is_over_time ");
					locate_manager_task.set_task_error_manager(t_error);
				}
				else
				{
					//继续等待
					std::this_thread::sleep_for(std::chrono::microseconds(1));
					std::this_thread::yield();
				}

			}
			//提取任务单 的错误码
			t_error = locate_manager_task.get_task_error_manager();
			std::cout << "huli locate_manager_task error :::::::"  << locate_manager_task.get_task_error_manager().to_string() << std::endl;
		}
	}

	//第七步, 创建一条答复消息
	message::Measure_response_msg t_measure_response_msg;
	t_measure_response_msg.mutable_base_info()->set_msg_type(message::Message_type::eLocate_response_msg);
	t_measure_response_msg.mutable_base_info()->set_timeout_ms(5000);
	t_measure_response_msg.mutable_base_info()->set_sender(message::Communicator::eMeasurer);
	t_measure_response_msg.mutable_base_info()->set_receiver(message::Communicator::eMain);

	t_measure_response_msg.set_command_id(command_id);
	t_measure_response_msg.set_terminal_id(terminal_id);
	t_measure_response_msg.mutable_error_manager()->set_error_code(t_error.get_error_code());
	t_measure_response_msg.mutable_error_manager()->set_error_level((message::Error_level)t_error.get_error_level());
	t_measure_response_msg.mutable_error_manager()->set_error_description(t_error.get_error_description(), t_error.get_description_length());

	if ( t_error == Error_code::SUCCESS )
	{
		t_measure_response_msg.mutable_locate_information()->set_locate_x(locate_manager_task.get_task_locate_information_ex()->locate_x);
		t_measure_response_msg.mutable_locate_information()->set_locate_y(locate_manager_task.get_task_locate_information_ex()->locate_y);
		t_measure_response_msg.mutable_locate_information()->set_locate_angle(locate_manager_task.get_task_locate_information_ex()->locate_angle);
		t_measure_response_msg.mutable_locate_information()->set_locate_length(locate_manager_task.get_task_locate_information_ex()->locate_length);
		t_measure_response_msg.mutable_locate_information()->set_locate_width(locate_manager_task.get_task_locate_information_ex()->locate_width);
		t_measure_response_msg.mutable_locate_information()->set_locate_height(locate_manager_task.get_task_locate_information_ex()->locate_height);
		t_measure_response_msg.mutable_locate_information()->set_locate_wheel_base(locate_manager_task.get_task_locate_information_ex()->locate_wheel_base);
		t_measure_response_msg.mutable_locate_information()->set_locate_wheel_width(locate_manager_task.get_task_locate_information_ex()->locate_wheel_width);
		t_measure_response_msg.mutable_locate_information()->set_locate_correct(locate_manager_task.get_task_locate_information_ex()->locate_correct);
	}

	string t_msg = t_measure_response_msg.SerializeAsString();
	System_communication::get_instance_references().encapsulate_msg(t_msg);

	std::cout << "huli t_measure_response_msg = " << t_measure_response_msg.DebugString() << std::endl;


	return ;
}