zeus/tools/router/appl/GateWayInterface.cpp

132 lines
4.2 KiB
C++

/** @file
* @author Edouard DUPIN
* @copyright 2016, Edouard DUPIN, all right reserved
* @license APACHE v2.0 (see license file)
*/
#include <appl/debug.hpp>
#include <appl/GateWayInterface.hpp>
#include <appl/ClientInterface.hpp>
#include <appl/Router.hpp>
// todo : cHANGE THIS ...
static const std::string protocolError = "PROTOCOL-ERROR";
appl::GateWayInterface::GateWayInterface(enet::Tcp _connection, appl::Router* _routerInterface) :
m_routerInterface(_routerInterface),
m_interfaceClient(std::move(_connection), true) {
ZEUS_INFO("--------------------------");
ZEUS_INFO("-- NEW GateWay Back-end --");
ZEUS_INFO("--------------------------");
}
appl::GateWayInterface::~GateWayInterface() {
ZEUS_INFO("------------------------------");
ZEUS_INFO("-- DELETE GateWay Back-end --");
ZEUS_INFO("------------------------------");
}
bool appl::GateWayInterface::isAlive() {
return m_interfaceClient.isActive();
}
bool appl::GateWayInterface::requestURI(const std::string& _uri) {
ZEUS_INFO("request connect on User - GateWay: '" << _uri << "'");
if(m_routerInterface == nullptr) {
ZEUS_ERROR("Can not access to the main GateWay interface (nullptr)");
return false;
}
std::string tmpURI = _uri;
if (tmpURI.size() == 0) {
ZEUS_ERROR("Empty URI ... not supported ...");
return false;
}
if (tmpURI[0] == '/') {
tmpURI = std::string(tmpURI.begin() + 1, tmpURI.end());
}
// TODO : Remove subParameters xxx?YYY
// check if the USER is already connected:
ememory::SharedPtr<appl::GateWayInterface> tmp = m_routerInterface->get(tmpURI);
if (tmp != nullptr) {
ZEUS_ERROR("User is already connected ==> this is a big error ...");
return false;
}
m_name = tmpURI;
ZEUS_WARNING("Connection of user : '" << tmpURI << "'");
return true;
}
void appl::GateWayInterface::start() {
m_interfaceClient.connect(this, &appl::GateWayInterface::onServiceData);
m_interfaceClient.connectUri(this, &appl::GateWayInterface::requestURI);
m_interfaceClient.connect();
m_interfaceClient.setInterfaceName("srv-?");
}
void appl::GateWayInterface::stop() {
m_interfaceClient.disconnect();
}
void appl::GateWayInterface::SendData(uint64_t _userSessionId, ememory::SharedPtr<zeus::Buffer> _data) {
_data->setClientId(_userSessionId);
m_interfaceClient.writeBinary(_data);
}
void appl::GateWayInterface::onServiceData(ememory::SharedPtr<zeus::Buffer> _value) {
if (_value == nullptr) {
return;
}
uint32_t transactionId = _value->getTransactionId();
//data.add("from-service", ejson::String(m_name));
if (_value->getType() == zeus::Buffer::typeMessage::event) {
/*
if (data.valueExist("event") == true) {
// No need to have a user ID ...
if (data["event"].toString().get() == "IS-ALIVE") {
ZEUS_VERBOSE("Service Alive ...");
if (std::chrono::steady_clock::now() - m_interfaceClient.getLastTimeSend() >= std::chrono::seconds(20)) {
ejson::Object tmpp;
tmpp.add("event", ejson::String("IS-ALIVE"));
m_interfaceClient.writeJson(tmpp);
}
} else {
ZEUS_INFO("Unknow service event: '" << data["event"].toString().get() << "'");
}
return;
}
*/
return;
}
if (_value->getType() == zeus::Buffer::typeMessage::call) {
ememory::SharedPtr<zeus::BufferCall> callObj = ememory::staticPointerCast<zeus::BufferCall>(_value);
std::string callFunction = callObj->getCall();
if (callFunction == "connect-service") {
if (m_name != "") {
ZEUS_WARNING("Service interface ==> try change the servie name after init: '" << callObj->getParameter<std::string>(0));
m_interfaceClient.answerValue(transactionId, false);
return;
}
m_name = callObj->getParameter<std::string>(0);
m_interfaceClient.setInterfaceName("srv-" + m_name);
m_interfaceClient.answerValue(transactionId, true);
return;
}
answerProtocolError(transactionId, "unknow function");
}
if (_value->getClientId() == 0) {
ZEUS_ERROR("Service interface ==> wrong service answer ==> missing 'client-id'");
return;
}
m_routerInterface->answer(_value->getClientId(), _value);
}
void appl::GateWayInterface::answerProtocolError(uint32_t _transactionId, const std::string& _errorHelp) {
m_interfaceClient.answerError(_transactionId, protocolError, _errorHelp);
m_interfaceClient.disconnect(true);
}