C++ (Cpp) TaskNotSupportedException Examples

Example #1

File: device.cpp Project: nykma/ykt4sungard

int KSGDevice::ExecuteTask(DeviceNodeType* node,Task* task)
{
	// 检查是否支持指令
	DI * devintr = FindDevInterface(task->GetTaskCode());
	if(!devintr)
	{
		throw TaskNotSupportedException();
	}
	//
	int ret;
	ACE_HANDLE handler;
	ret = find_handler(node,&handler);
	if(ret)
	{
		ACE_DEBUG((LM_ERROR,"连接指定设备失败!"));
		return TASK_ERR_CONNECT;
	}
	// 执行指令
	try
	{
		task->_handle = handler;
		ret = devintr->ExecuteTask(node,task);
	}
	catch(...)
	{
		// ignore
	}
	// 如果指令执行超时,关闭连接
	if(release_handler(node,&handler,ret != TASK_SUCCESS))
	{
		ACE_DEBUG((LM_ERROR,"释放连接失败"));
	}
	return ret;
}

Example #2

File: device.cpp Project: nykma/ykt4sungard

//////////////////////////////////////////////////////////////////////////
// KSGDevice
int KSGDevice::ExecuteTask(DeviceNodeType* node,Task* task)
{
	// 检查是否支持指令
	DI * devintr = FindDevInterface(task->GetTaskCode());
	if(!devintr)
	{
		throw TaskNotSupportedException();
	}
	//
	int ret;
	ACE_HANDLE handler;
	// 先检查 handler 是否可用
	if(node->GetState() == KSGDeviceNode::dsOffline)
	{
		ret = create_handler(node,&handler);
	}
	else if((ret = find_handler(node,&handler)))
	{
		// 尝试连接
		ret = create_handler(node,&handler);
		if(ret)
		{
			// 连接失败
			node->SetState(KSGDeviceNode::dsOffline);
		}
	}
	if(ret)
	{
		return TASK_ERR_CONNECT;
	}
	
	// 执行指令
	ret = devintr->ExecuteTask(node,task);
	if(ret)
	{
		// 如果指令执行超时
		if(ret == TASK_ERR_TIMEOUT)
		{
			// 尝试重新连接
			if(create_handler(node,&handler))
			{
				// 重连失败
				node->SetState(KSGDeviceNode::dsError);
			}
		}
	}
	return ret;
}

Example #3

int KSGDevice::ExecuteTask(DeviceNodeType* node,Task* task)
{
	// 检查是否支持指令
	bool free_conn = false;
	DI devintr = FindDevInterface(task->GetTaskCode());
	if(!devintr)
	{
		throw TaskNotSupportedException();
	}
	//
	int ret;
	ACE_HANDLE handler;
	ret = find_handler(node,&handler);
	if(ret)
	{
		ACE_DEBUG((LM_ERROR,"连接指定设备失败!"));
		return TASK_ERR_CONNECT;
	}
	// 执行指令
	try
	{
		task->_handle = handler;
		ret = devintr->ExecuteTask(node,task);
	}
	catch(...)
	{
		// ignore
	}
	// 如果指令执行超时,关闭连接
	if(node->connect_module() == KSGDeviceNode::cm_short_conn
		|| ret != TASK_SUCCESS)
	{
		free_conn = true;
	}
	try
	{
		if(release_handler(node,&handler,free_conn))
		{
			ACE_DEBUG((LM_ERROR,"释放连接失败"));
		}
	}
	catch (...)
	{
		ACE_DEBUG((LM_ERROR,"关闭连接异常!"));
	}
	return ret;
}

Example #4

File: device.cpp Project: nykma/ykt4sungard

int KSGDevice::ExecuteTask(DeviceNodeType* node,Task* task)
{
	// 检查是否支持指令
	bool free_conn = false;
	DI devintr = FindDevInterface(task->GetTaskCode());
	if(!devintr)
	{
		ACE_DEBUG((LM_ERROR,"设备不支持该指令..."));
		throw TaskNotSupportedException();
	}
	//
	int ret;
	ACE_HANDLE handler;
	ret = find_handler(node,&handler);
	if(ret)
	{
		ACE_DEBUG((LM_ERROR,"连接指定设备失败!"));
		return TASK_ERR_CONNECT;
	}
	// 执行指令
	try
	{
		task->_handle = handler;
		ret = devintr->ExecuteTask(node,task);
	}
	catch(...)
	{
		// ignore
	}

	if(node->connect_module() == KSGDeviceNode::cm_short_conn)
	{
		free_conn = true;
	}
	// 如果指令执行不成功
	else
	{
		//
		if(ret != TASK_SUCCESS)
		{
			if(ret == TASK_ERR_TIMEOUT)
				free_conn = true;
			else
			{
				ACE_Time_Value tv(1);
				int res = ACE::handle_exception_ready(task->_handle,&tv);
				if(res >0)
				{
					// 如果发生异常，则重连
					free_conn = true;
				}
				else if(res == 0) // 超时
				{
					free_conn = true;
				}
				else // 返回错误
				{

				}
			}
		}
	}
	
	try
	{
		if(release_handler(node,&handler,free_conn))
		{
			ACE_DEBUG((LM_ERROR,"释放连接失败"));
		}
	}
	catch (...)
	{
		ACE_DEBUG((LM_ERROR,"关闭连接异常!"));
	}
	return ret;
}