71 lines
2.5 KiB
C++
71 lines
2.5 KiB
C++
#include "Renderive_WebSocket_Controller.h"
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#include "Web_Event_Adapter.h"
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#include "Web_Plot_Session.h"
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#include <trantor/utils/Logger.h>
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#include <exception>
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#include <memory>
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namespace renderive::web {
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void Renderive_WebSocket_Controller::handleNewConnection(
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const drogon::HttpRequestPtr&,
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const drogon::WebSocketConnectionPtr& connection) {
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connection->setContext(std::make_shared<Web_Plot_Session>());
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connection->setPingMessage("renderive", std::chrono::seconds(20));
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LOG_INFO << "Renderive WebSocket connected: " << connection->peerAddr().toIpPort();
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}
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void Renderive_WebSocket_Controller::handleNewMessage(
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const drogon::WebSocketConnectionPtr& connection,
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std::string&& message,
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const drogon::WebSocketMessageType& type) {
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if (type == drogon::WebSocketMessageType::Ping ||
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type == drogon::WebSocketMessageType::Pong ||
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type == drogon::WebSocketMessageType::Close) {
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return;
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}
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if (type != drogon::WebSocketMessageType::Text) {
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connection->shutdown(drogon::CloseCode::kInvalidMessage,
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"Renderive accepts text events only");
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return;
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}
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if (message.size() > 16 * 1024) {
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connection->shutdown(drogon::CloseCode::kMessageTooBig,
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"Renderive event is too large");
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return;
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}
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const auto event = Web_Event_Adapter::decode(message);
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if (!event) {
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connection->shutdown(drogon::CloseCode::kWrongMessageContent,
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"Invalid Renderive event");
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return;
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}
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const auto session = connection->getContext<Web_Plot_Session>();
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if (!session) {
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connection->shutdown(drogon::CloseCode::kUnexpectedCondition,
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"Renderive session is unavailable");
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return;
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}
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try {
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if (auto pixels = session->handle(*event)) {
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connection->send(pixels->data(), pixels->size(),
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drogon::WebSocketMessageType::Binary);
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}
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} catch (const std::exception& error) {
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LOG_ERROR << "Renderive WebSocket session failed: " << error.what();
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connection->shutdown(drogon::CloseCode::kUnexpectedCondition,
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"Renderive rendering failed");
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}
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}
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void Renderive_WebSocket_Controller::handleConnectionClosed(
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const drogon::WebSocketConnectionPtr& connection) {
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LOG_INFO << "Renderive WebSocket closed: " << connection->peerAddr().toIpPort();
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connection->clearContext();
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}
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} // namespace renderive::web
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