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#include "crow.h"
#include <unordered_set>
#include <mutex>
int main()
{
crow::SimpleApp app;
std::mutex mtx;;
std::unordered_set<crow::websocket::connection*> users;
CROW_ROUTE(app, "/ws")
.websocket()
.onopen([&](crow::websocket::connection& conn){
CROW_LOG_INFO << "new websocket connection";
std::lock_guard<std::mutex> _(mtx);
users.insert(&conn);
})
.onclose([&](crow::websocket::connection& conn, const std::string& reason){
CROW_LOG_INFO << "websocket connection closed: " << reason;
std::lock_guard<std::mutex> _(mtx);
users.erase(&conn);
})
.onmessage([&](crow::websocket::connection& /*conn*/, const std::string& data, bool is_binary){
std::lock_guard<std::mutex> _(mtx);
for(auto u:users)
if (is_binary)
u->send_binary(data);
else
u->send_text(data);
});
CROW_ROUTE(app, "/")
([]{
auto page = crow::mustache::load("ws.html");
return page.render();
});
app.port(40080)
.multithreaded()
.run();
}
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