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/* We rely on wrapped syscalls */
#include "libEpollFuzzer/epoll_fuzzer.h"
#include "App.h"
#include <vector>
/* We keep this one for teardown later on */
struct us_listen_socket_t *listen_socket;
/* This test is run by libEpollFuzzer */
void test() {
/* ws->getUserData returns one of these */
struct PerSocketData {
/* Fill with user data */
std::vector<std::string> topics;
int nr = 0;
};
/* Keep in mind that uWS::SSLApp({options}) is the same as uWS::App() when compiled without SSL support.
* You may swap to using uWS:App() if you don't need SSL */
uWS::SSLApp *app = new uWS::SSLApp({
/* There are example certificates in uWebSockets.js repo */
.key_file_name = "../misc/key.pem",
.cert_file_name = "../misc/cert.pem",
.passphrase = "1234"
});
app->ws<PerSocketData>("/*", {
/* Settings */
.compression = uWS::DISABLED,
.maxPayloadLength = 512, // also have a low value here for fuzzing
.idleTimeout = 60,
.maxBackpressure = 128, // we want a low number so that we can reach this in fuzzing
.closeOnBackpressureLimit = false, // this one could be tested as well
.resetIdleTimeoutOnSend = true, // and this
.sendPingsAutomatically = false, // and this
/* Handlers */
.upgrade = nullptr,
.open = [](auto *ws) {
/* Open event here, you may access ws->getUserData() which points to a PerSocketData struct */
PerSocketData *perSocketData = (PerSocketData *) ws->getUserData();
for (int i = 0; i < 100; i++) {
std::string topic = std::to_string((uintptr_t)ws) + "-" + std::to_string(i);
perSocketData->topics.push_back(topic);
ws->subscribe(topic);
}
},
.message = [&app](auto *ws, std::string_view message, uWS::OpCode opCode) {
PerSocketData *perSocketData = (PerSocketData *) ws->getUserData();
app->publish(perSocketData->topics[++perSocketData->nr % 100], message, opCode);
},
.drain = [](auto */*ws*/) {
/* Check ws->getBufferedAmount() here */
//std::cout << "drain" << std::endl;
},
.ping = [](auto */*ws*/, std::string_view ) {
/* Not implemented yet */
},
.pong = [](auto */*ws*/, std::string_view ) {
/* Not implemented yet */
},
.close = [](auto */*ws*/, int /*code*/, std::string_view /*message*/) {
/* You may access ws->getUserData() here */
}
}).listen(9001, [](auto *listen_s) {
if (listen_s) {
//std::cout << "Listening on port " << 9001 << std::endl;
listen_socket = listen_s;
}
});
app->run();
delete app;
uWS::Loop::get()->free();
}
/* Thus function should shutdown the event-loop and let the test fall through */
void teardown() {
/* If we are called twice there's a bug (it potentially could if
* all open sockets cannot be error-closed in one epoll_wait call).
* But we only allow 1k FDs and we have a buffer of 1024 from epoll_wait */
if (!listen_socket) {
exit(-1);
}
/* We might have open sockets still, and these will be error-closed by epoll_wait */
// us_socket_context_close - close all open sockets created with this socket context
if (listen_socket) {
us_listen_socket_close(0, listen_socket);
listen_socket = NULL;
}
}
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