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pingpong.cpp
/*
* Copyright (c) 2022, Nils Christopher Brause
* All rights reserved.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions are met:
*
* 1. Redistributions of source code must retain the above copyright notice, this
* list of conditions and the following disclaimer.
* 2. Redistributions in binary form must reproduce the above copyright notice,
* this list of conditions and the following disclaimer in the documentation
* and/or other materials provided with the distribution.
*
* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" AND
* ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
* WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
* DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS BE LIABLE FOR
* ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
* (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
* LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND
* ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS
* SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
*/
#include <iostream>
#include <thread>
#include <cstdint>
#include <wayland-client.hpp>
#include <wayland-server.hpp>
#include <pingpong-server-protocol.hpp>
#include <pingpong-client-protocol.hpp>
int main()
{
wayland::server::display_t server_display;
wayland::server::global_pingpong_t global_pingpong(server_display);
wayland::server::global_dummy_t dummy(server_display);
wayland::server::pingpong_t server_pingpong;
// create wayland UNIX socket.
server_display.add_socket("pingpong");
// Answer ping requests.
global_pingpong.on_bind() = [&] (const wayland::server::client_t& /*client*/, wayland::server::pingpong_t pingpong)
{
// Don't copy the "pingpog" resource into the event handler as this creates cyclic references.
server_pingpong = pingpong;
pingpong.on_ping() = [&] (const std::string& msg)
{
std::cout << "Server received: " << msg << std::endl;
server_pingpong.pong(msg);
};
};
// Don't show anyone the dummy global.
server_display.set_global_filter([] (const wayland::server::client_t& /*client*/, wayland::server::global_base_t global) { return !global.has_interface<wayland::server::dummy_t>(); });
// Run server event loop in a thread.
bool running = true;
auto thread = std::thread([&] ()
{
auto el = server_display.get_event_loop();
while(running)
{
el.dispatch(1);
server_display.flush_clients();
}
});
// Connect to server.
wayland::display_t display("pingpong");
// Bind to pingpong global.
wayland::pingpong_t pingpong;
auto registry = display.get_registry();
registry.on_global() = [&] (uint32_t name, const std::string& interface, uint32_t version)
{
std::cout << "Found global: " << interface << std::endl;
if(interface == wayland::pingpong_t::interface_name)
registry.bind(name, pingpong, version);
};
display.roundtrip();
// Print pong answers.
pingpong.on_pong() = [&] (const std::string& msg)
{
std::cout << "Client received: " << msg << std::endl;
running = false;
};
// Send ping request.
pingpong.ping("Hello World!");
display.roundtrip();
thread.join();
return 0;
}
wayland::display_t
Represents a connection to the compositor and acts as a proxy to the display singleton object.
Definition wayland-client.hpp:479
wayland::server::global_base_t
Definition wayland-server.hpp:581
wayland-client.hpp
wayland-server.hpp