libhttpserver/examples/websocket_echo.cpp at master · etr/libhttpserver · GitHub

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This file is part of libhttpserver

This library is free software; you can redistribute it and/or

modify it under the terms of the GNU Lesser General Public

License as published by the Free Software Foundation; either

version 2.1 of the License, or (at your option) any later version.

This library is distributed in the hope that it will be useful,

but WITHOUT ANY WARRANTY; without even the implied warranty of

MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU

Lesser General Public License for more details.

You should have received a copy of the GNU Lesser General Public

License along with this library; if not, write to the Free Software

Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301

USA

#include <iostream>

#include <memory>

#include <string>

#include <string_view>

#include <httpserver.hpp>

class echo_handler : public httpserver::websocket_handler {

public:

void on_open(httpserver::websocket_session& session) override {

std::cout << "WebSocket connection opened" << std::endl;

session.send_text("Welcome to the echo server!");

}

void on_message(httpserver::websocket_session& session, std::string_view msg) override {

std::cout << "Received: " << msg << std::endl;

std::string reply;

reply.reserve(6 + msg.size());

reply = "Echo: ";

reply += msg;

session.send_text(reply);

}

void on_close(httpserver::websocket_session& session, uint16_t code, const std::string& reason) override {

std::cout << "WebSocket closed (code=" << code << ", reason=" << reason << ")" << std::endl;

}

};

int main() {

httpserver::webserver ws{httpserver::create_webserver(8080)};

// TASK-035: smart-pointer ownership. The webserver takes ownership

// of the echo_handler via unique_ptr; its dtor runs when the

// webserver is destroyed.

ws.register_ws_resource("/ws", std::make_unique<echo_handler>());

ws.start(true);

return 0;

}

libhttpserver/examples/websocket_echo.cpp at master · etr/libhttpserver · GitHub

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