zeus/tools/gateway/appl/DirectInterface.cpp

125 lines
4.1 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/DirectInterface.hpp>
#include <zeus/Future.hpp>
#include <appl/GateWay.hpp>
#include <enet/TcpClient.hpp>
#include <zeus/AbstractFunction.hpp>
static const std::string protocolError = "PROTOCOL-ERROR";
appl::DirectInterface::DirectInterface(enet::Tcp _connection) :
m_interfaceWeb(std::move(_connection), true) {
m_uid = 0;
m_state = appl::clientState::unconnect;
APPL_INFO("-----------------------");
APPL_INFO("-- NEW Direct Client --");
APPL_INFO("-----------------------");
}
appl::DirectInterface::~DirectInterface() {
APPL_INFO("--------------------------");
APPL_INFO("-- DELETE Direct Client --");
APPL_INFO("--------------------------");
m_interfaceWeb.disconnect();
APPL_INFO("--------------------------");
}
/*
void appl::clientSpecificInterface::answerProtocolError(uint32_t _transactionId, const std::string& _errorHelp) {
m_interfaceWeb->answerError(_transactionId, m_routeurUID, ZEUS_ID_SERVICE_ROOT, protocolError, _errorHelp);
m_interfaceWeb->sendCtrl(m_routeurUID, ZEUS_ID_SERVICE_ROOT, "DISCONNECT");
m_state = appl::clientState::disconnect;
}
*/
bool appl::DirectInterface::requestURI(const std::string& _uri) {
APPL_WARNING("request Direct connection: '" << _uri << "'");
std::string tmpURI = _uri;
if (tmpURI.size() == 0) {
APPL_ERROR("Empty URI ... not supported ...");
return false;
}
if (tmpURI[0] == '/') {
tmpURI = std::string(tmpURI.begin() + 1, tmpURI.end());
}
std::vector<std::string> listValue = etk::split(tmpURI, '?');
if (listValue.size() == 0) {
APPL_ERROR("can not parse URI ...");
return false;
}
tmpURI = listValue[0];
if (etk::start_with(tmpURI, "directIO") == false ) {
APPL_ERROR("Missing 'directIO:' at the start of the URI ...");
return false;
}
return true;
}
bool appl::DirectInterface::start(appl::GateWay* _gateway) {
appl::IOInterface::start(_gateway, 0);
m_interfaceWeb.connect(this, &appl::DirectInterface::receive);
m_interfaceWeb.connectUri(this, &appl::DirectInterface::requestURI);
m_interfaceWeb.connect();
m_interfaceWeb.setInterfaceName("DIO-?");
//APPL_WARNING("[" << m_uid << "] New client : " << m_clientName);
return true;
}
void appl::DirectInterface::receive(ememory::SharedPtr<zeus::Message> _value) {
if (_value == nullptr) {
return;
}
// check transaction ID != 0
uint32_t transactionId = _value->getTransactionId();
if (transactionId == 0) {
APPL_ERROR("Protocol error ==>missing id");
answerProtocolError(transactionId, "missing parameter: 'id'");
return;
}
// check correct SourceID
if (_value->getSourceId() != m_uid) {
answerProtocolError(transactionId, "message with the wrong source ID");
return;
}
// Check gateway corectly connected
if (m_gateway == nullptr) {
answerProtocolError(transactionId, "GateWay error");
return;
}
// TODO: Special hook for the first call that we need to get the curretn ID of the connection, think to set this at an other position ...
if (m_uid == 0) {
APPL_INFO("special case, we need to get the ID Of the client:");
if (_value->getType() != zeus::message::type::call) {
answerProtocolError(transactionId, "Must get first the Client ID... call 'getAddress'");
return;
}
ememory::SharedPtr<zeus::message::Call> callObj = ememory::staticPointerCast<zeus::message::Call>(_value);
if (callObj->getCall() != "getAddress") {
answerProtocolError(transactionId, "Must get first the Client ID... call 'getAddress' and not '" + callObj->getCall() + "'");
return;
}
APPL_INFO("Get the unique ID...");
m_uid = m_gateway->getId();
APPL_INFO("get ID : " << m_uid);
if (m_uid == 0) {
answerProtocolError(transactionId, "Can not get the Client ID...");
return;
}
m_interfaceWeb.setInterfaceName("cli-" + etk::to_string(m_uid));
m_interfaceWeb.answerValue(transactionId, _value->getDestination(), _value->getSource(), m_uid);
} else {
appl::IOInterface::receive(_value);
}
}
void appl::DirectInterface::send(ememory::SharedPtr<zeus::Message> _value) {
m_interfaceWeb.writeBinary(_value);
}