MT5MonkMAM/MT5MonkPAMM/PluginInstance.cpp

#include "pch.h"
#include "PluginInstance.h"

CPluginInstance::CPluginInstance()
	: m_enable(false)
{
}

CPluginInstance::~CPluginInstance()
{
	Stop();
}

void CPluginInstance::Release()
{
	delete this;
}

MTAPIRES CPluginInstance::Start(IMTServerAPI * server)
{
	MTAPIRES ret = MT_RET_OK;
	if (!server)	return MT_RET_ERR_PARAMS;
	m_api = server;

	if ((m_config = m_api->PluginCreate()) == nullptr)
		return MT_RET_ERR_MEM;

	ret = m_api->About(m_info);
	if (ret != MT_RET_OK)
		m_api->LoggerOut(MTLogOK, L"Server info failed [%d]", ret);

	if ((ret = m_api->PluginSubscribe(this)) != MT_RET_OK)
	{
		m_api->LoggerOut(MTLogAtt, L"Plugin subscribe failed [%d]", ret);
		return ret;
	}
	if (ret = m_api->OrderSubscribe(this) != MT_RET_OK)
	{
		m_api->LoggerOut(MTLogAtt, L"Order subscribe failed [%d]", ret);
		return ret;
	}
	if (ret = m_api->DealSubscribe(this) != MT_RET_OK)
	{
		m_api->LoggerOut(MTLogAtt, L"Deal subscribe failed [%d]", ret);
		return ret;
	}

	if ((ret = LoadParam()) != MT_RET_OK)
	{
		m_api->LoggerOut(MTLogAtt, L"Load param failed [%d]", ret);
		return ret;
	}

	return MT_RET_OK;
}

MTAPIRES CPluginInstance::Stop()
{
	MTAPIRES ret = MT_RET_OK;

	if (m_api == nullptr)
		return MT_RET_OK;

	if (m_config != nullptr)
	{
		m_config->Release();
		m_config = nullptr;
	}

	if ((ret = m_api->PluginUnsubscribe(this)) != MT_RET_OK && ret != MT_RET_ERR_NOTFOUND)
		m_api->LoggerOut(MTLogErr, L"failed to unsubscribe from plugin config updates [%s (%u)]",
			SMTFormat::FormatError(ret), ret);
	if ((ret = m_api->OrderUnsubscribe(this)) != MT_RET_OK && ret != MT_RET_ERR_NOTFOUND)
		m_api->LoggerOut(MTLogErr, L"failed to unsubscribe order [%s (%u)]",
			SMTFormat::FormatError(ret), ret);
	if ((ret = m_api->DealUnsubscribe(this)) != MT_RET_OK && ret != MT_RET_ERR_NOTFOUND)
		m_api->LoggerOut(MTLogErr, L"failed to unsubscribe deal [%s (%u)]",
			SMTFormat::FormatError(ret), ret);

	m_api = nullptr;
	m_enable = false;

	return MT_RET_OK;
}

void CPluginInstance::OnPluginUpdate(const IMTConPlugin * plugin)
{
	LoadParam();
}

void CPluginInstance::OnDealPerform(const IMTDeal * deal, IMTAccount * account, IMTPosition * position)
{
	// positionΪnullptrʱ£¬
	if (position == nullptr
		|| deal == nullptr
		|| account == nullptr)
		return;

	std::lock_guard<decltype(m_lock)> lk(m_lock);
	if (m_enable)	return;
}

MTAPIRES CPluginInstance::LoadParam()
{
	MTAPIRES res = MT_RET_OK;
	IMTConParam* param = NULL;
	CMTStr128 tmp;

	if (!m_api || !m_config)	return MT_RET_ERR_PARAMS;

	if ((res = m_api->PluginCurrent(m_config)) != MT_RET_OK)
	{
		m_api->LoggerOut(MTLogErr, L"failed to get current plugin configuration [%s (%u)]",
			SMTFormat::FormatError(res), res);
		return res;
	}

	if ((param = m_api->PluginParamCreate()) == NULL)
	{
		m_api->LoggerOut(MTLogErr, L"failed to create plugin parameter object");
		return MT_RET_ERR_MEM;
	}

	ScopeGuard param_release([param]()
	{
		param->Release();
	});
	std::lock_guard<decltype(m_lock)> lk(m_lock);

	if ((res = m_config->ParameterGet(L"Trader", param)) != MT_RET_OK || param->Type() != IMTConParam::TYPE_INT)
	{
		return(MT_RET_ERR_PARAMS);
	}
	m_trader = param->ValueInt();
	if ((res = m_config->ParameterGet(L"Step", param)) != MT_RET_OK || param->Type() != IMTConParam::TYPE_INT)
	{
		return(MT_RET_ERR_PARAMS);
	}
	m_step = param->ValueInt();
	if ((res = m_config->ParameterGet(L"Tolerance", param)) != MT_RET_OK || param->Type() != IMTConParam::TYPE_INT)
	{
		return(MT_RET_ERR_PARAMS);
	}
	m_tolerance = param->ValueInt();
	if ((res = m_config->ParameterGet(L"Groups", param)) != MT_RET_OK || param->Type() != IMTConParam::TYPE_STRING)
	{
		return(MT_RET_ERR_PARAMS);
	}
	m_groups = param->ValueString();
	if ((res = m_config->ParameterGet(L"Logins", param)) != MT_RET_OK || param->Type() != IMTConParam::TYPE_STRING)
	{
		return(MT_RET_ERR_PARAMS);
	}
	m_logins = param->ValueString();

	m_enable = true;

	return MT_RET_OK;
}