270 lines
11 KiB
C++
270 lines
11 KiB
C++
/** @file
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* @author Edouard DUPIN
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* @copyright 2016, Edouard DUPIN, all right reserved
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* @license APACHE v2.0 (see license file)
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*/
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#include <appl/debug.hpp>
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#include <appl/IOInterface.hpp>
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#include <zeus/Future.hpp>
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#include <appl/GateWay.hpp>
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#include <enet/TcpClient.hpp>
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#include <zeus/AbstractFunction.hpp>
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static const std::string protocolError = "PROTOCOL-ERROR";
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appl::IOInterface::IOInterface() {
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m_uid = 0;
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m_state = appl::clientState::unconnect;
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APPL_INFO("------------");
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APPL_INFO("-- NEW IO --");
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APPL_INFO("------------");
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}
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appl::IOInterface::~IOInterface() {
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APPL_INFO("---------------");
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APPL_INFO("-- DELETE IO --");
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APPL_INFO("---------------");
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}
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void appl::IOInterface::answerProtocolError(uint32_t _transactionId, const std::string& _errorHelp) {
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zeus::WebServer* iface = getInterface();
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iface->answerError(_transactionId, 0, ZEUS_ID_SERVICE_ROOT, protocolError, _errorHelp);
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//m_interfaceRouterClient->sendCtrl(m_routeurUID, ZEUS_ID_SERVICE_ROOT, "DISCONNECT");
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APPL_TODO("Do this error return ... " << _errorHelp);
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m_state = appl::clientState::disconnect;
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}
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bool appl::IOInterface::start(appl::GateWay* _gateway, uint16_t _id) {
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m_gateway = _gateway;
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m_uid = _id;
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m_state = appl::clientState::connect;
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//m_interfaceRouterClient->setInterfaceName("cli-" + etk::to_string(m_uid));
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APPL_WARNING("[" << m_uid << "] New IO interface");
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return true;
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}
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void appl::IOInterface::receive(ememory::SharedPtr<zeus::Buffer> _value) {
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if (_value == nullptr) {
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return;
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}
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//APPL_ERROR(" ==> parse DATA ...");
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uint32_t transactionId = _value->getTransactionId();
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if (transactionId == 0) {
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APPL_ERROR("Protocol error ==>missing id");
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answerProtocolError(transactionId, "missing parameter: 'id'");
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return;
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}
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// Check if we are the destinated Of this message
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if ( _value->getDestinationId() == ZEUS_ID_GATEWAY
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&& _value->getDestinationObjectId() == ZEUS_ID_GATEWAY_OBJECT) {
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if (_value->getType() != zeus::Buffer::typeMessage::call) {
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APPL_ERROR("Protocol error ==>missing 'call'");
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answerProtocolError(transactionId, "missing parameter: 'call' / wrong type 'call'");
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return;
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}
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ememory::SharedPtr<zeus::BufferCall> callObj = ememory::staticPointerCast<zeus::BufferCall>(_value);
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std::string callFunction = callObj->getCall();
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switch (m_state) {
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case appl::clientState::disconnect:
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case appl::clientState::unconnect:
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{
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APPL_ERROR("Must never appear");
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answerProtocolError(transactionId, "Gateway internal error");
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return;
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}
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case appl::clientState::connect:
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{
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/*
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m_clientServices.clear();
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m_clientgroups.clear();
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m_clientName.clear();
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*/
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if ( callFunction != "identify"
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&& callFunction != "auth"
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&& callFunction != "anonymous") {
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answerProtocolError(transactionId, "Client must call: identify/auth/anonymous");
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return;
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}
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#if 0
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if (callFunction == "identify") {
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std::string clientName = callObj->getParameter<std::string>(0);
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std::string clientTocken = callObj->getParameter<std::string>(1);
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if (m_userService == nullptr) {
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answerProtocolError(transactionId, "gateWay internal error 3");
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return;
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}
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zeus::Future<bool> fut = m_userService->m_interfaceClient.call(m_localIdUser, ZEUS_ID_SERVICE_ROOT, "checkTocken", clientName, clientTocken);
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fut.wait(); // TODO: Set timeout ...
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if (fut.hasError() == true) {
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APPL_ERROR("Get error from the service ...");
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m_interfaceRouterClient->answerValue(transactionId, _value->getClientId(), _value->getServiceId(), false);
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answerProtocolError(transactionId, "connection refused 1");
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return;
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} else if (fut.get() == false) {
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m_interfaceRouterClient->answerValue(transactionId, _value->getClientId(), _value->getServiceId(), false);
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answerProtocolError(transactionId, "connection refused 2");
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return;
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}
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m_clientName = clientName;
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}
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if (callFunction == "auth") {
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std::string password = callObj->getParameter<std::string>(0);
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zeus::Future<bool> fut = m_userService->m_interfaceClient.call(m_localIdUser, ZEUS_ID_SERVICE_ROOT, "checkAuth", password);
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fut.wait(); // TODO: Set timeout ...
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if (fut.hasError() == true) {
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APPL_ERROR("Get error from the service ...");
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m_interfaceRouterClient->answerValue(transactionId, _value->getClientId(), _value->getServiceId(), false);
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answerProtocolError(transactionId, "connection refused 1");
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return;
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} else if (fut.get() == false) {
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m_interfaceRouterClient->answerValue(transactionId, _value->getClientId(), _value->getServiceId(), false);
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answerProtocolError(transactionId, "connection refused 2");
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return;
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}
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m_clientName = m_userConnectionName;
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}
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if (callFunction == "anonymous") {
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m_clientName = "";
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}
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#endif
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#if 0
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// --------------------------------
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// -- Get groups:
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// --------------------------------
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zeus::Future<std::vector<std::string>> futGroup = m_userService->m_interfaceClient.call(m_localIdUser, ZEUS_ID_SERVICE_ROOT, "clientGroupsGet", m_clientName);
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futGroup.wait(); // TODO: Set timeout ...
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if (futGroup.hasError() == true) {
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APPL_ERROR("Get error from the service ...");
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m_interfaceRouterClient->answerValue(transactionId, _value->getClientId(), _value->getServiceId(), false);
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answerProtocolError(transactionId, "grouping error");
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return;
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}
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m_clientgroups = futGroup.get();
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// --------------------------------
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// -- Get services:
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// --------------------------------
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std::vector<std::string> currentServices = m_gatewayInterface->getAllServiceName();
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zeus::Future<std::vector<std::string>> futServices = m_userService->m_interfaceClient.call(m_localIdUser, ZEUS_ID_SERVICE_ROOT, "filterClientServices", m_clientName, currentServices);
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futServices.wait(); // TODO: Set timeout ...
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if (futServices.hasError() == true) {
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APPL_ERROR("Get error from the service ...");
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m_interfaceRouterClient->answerValue(transactionId, _value->getClientId(), _value->getServiceId(), false);
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answerProtocolError(transactionId, "service filtering error");
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return;
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}
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m_clientServices = futServices.get();
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APPL_WARNING("Connection of: '" << m_clientName << "' to '" << m_userConnectionName << "'");
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APPL_WARNING(" groups: " << etk::to_string(m_clientgroups));
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APPL_WARNING(" services: " << etk::to_string(m_clientServices));
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#endif
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zeus::WebServer* iface = getInterface();
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iface->answerValue(transactionId, _value->getDestination(), _value->getSource(), true);
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m_state = appl::clientState::clientIdentify;
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return;
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}
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break;
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case appl::clientState::clientIdentify:
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{
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uint32_t serviceId = callObj->getSourceId();
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if (serviceId == 0) {
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// This is 2 default service for the cient interface that manage the authorisation of view:
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if (callFunction == "getServiceCount") {
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// TODO : m_interfaceRouterClient->answerValue(transactionId, _value->getClientId(), _value->getServiceId(), m_clientServices.size());
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return;
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}
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if (callFunction == "getServiceList") {
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// TODO : m_interfaceRouterClient->answerValue(transactionId, _value->getClientId(), _value->getServiceId(), m_clientServices);
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//"ServiceManager/v0.1.0"
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return;
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}
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if (callFunction == "link") {
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// first param:
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std::string serviceName = callObj->getParameter<std::string>(0);
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ZEUS_ERROR("Connect to service : " << serviceName << " " << m_uid);
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// Check if service already link:
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/*
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auto it = m_listConnectedService.begin();
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while (it != m_listConnectedService.end()) {
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if (*it == nullptr) {
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++it;
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continue;
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}
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if ((*it)->getName() != serviceName) {
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++it;
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continue;
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}
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break;
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}
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if (it == m_listConnectedService.end()) {
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// check if service is connectable ...
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if (std::find(m_clientServices.begin(), m_clientServices.end(), serviceName) == m_clientServices.end()) {
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m_interfaceRouterClient->answerError(transactionId, _value->getClientId(), _value->getServiceId(), "UN-AUTHORIZED-SERVICE");
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return;
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}
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ememory::SharedPtr<appl::ServiceInterface> srv = m_gatewayInterface->get(serviceName);
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if (srv != nullptr) {
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zeus::Future<bool> futLink = srv->m_interfaceClient.call(m_uid, ZEUS_ID_SERVICE_ROOT, "_new", m_userConnectionName, m_clientName, m_clientgroups);
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futLink.wait(); // TODO: Set timeout ...
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if (futLink.hasError() == true) {
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APPL_ERROR("Get error from the service ... LINK");
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m_interfaceRouterClient->answerError(transactionId, _value->getClientId(), _value->getServiceId(), "ERROR-CREATE-SERVICE-INSTANCE");
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return;
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}
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m_listConnectedService.push_back(srv);
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ZEUS_ERROR(" ==> get ID : " << m_uid);
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m_interfaceRouterClient->answerValue(transactionId, _value->getClientId(), _value->getServiceId(), m_listConnectedService.size());
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return;
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}
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m_interfaceRouterClient->answerError(transactionId, _value->getClientId(), _value->getServiceId(), "CAN-NOT-CONNECT-SERVICE");
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return;
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}
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m_interfaceRouterClient->answerError(transactionId, _value->getClientId(), _value->getServiceId(), "SERVICE-ALREADY-CONNECTED");;
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return;
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*/
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}
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if (callFunction == "unlink") {
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ZEUS_ERROR("Disconnnect from service : " << m_uid);
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// first param: the service we want to unconnect ...
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/*
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int64_t localServiceID = callObj->getParameter<int64_t>(0)-1;
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// Check if service already link:
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if (localServiceID >= m_listConnectedService.size()) {
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m_interfaceRouterClient->answerError(transactionId, _value->getClientId(), _value->getServiceId(), "NOT-CONNECTED-SERVICE");
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return;
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}
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zeus::Future<bool> futUnLink = m_listConnectedService[localServiceID]->m_interfaceClient.call(m_uid, ZEUS_ID_SERVICE_ROOT, "_delete");
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futUnLink.wait(); // TODO: Set timeout ...
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if (futUnLink.hasError() == true) {
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APPL_ERROR("Get error from the service ... UNLINK");
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m_interfaceRouterClient->answerError(transactionId, _value->getClientId(), _value->getServiceId(), "ERROR-CREATE-SERVICE-INSTANCE");
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return;
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}
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m_listConnectedService[localServiceID] = nullptr;
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m_interfaceRouterClient->answerValue(transactionId, _value->getClientId(), _value->getServiceId(), true);
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return;
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*/
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}
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APPL_ERROR("Function does not exist ... '" << callFunction << "'");
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zeus::WebServer* iface = getInterface();
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iface->answerError(transactionId, _value->getDestination(), _value->getSource(), "CALL-UNEXISTING");
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return;
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}
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}
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return;
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}
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}
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if (m_gateway != nullptr) {
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m_gateway->send(_value);
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}
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}
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