Files
uWebSockets/fuzzing/EpollHelloWorld.cpp
T

69 lines
2.3 KiB
C++

/* We rely on wrapped syscalls */
#include "libEpollFuzzer/epoll_fuzzer.h"
#include "App.h"
/* 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 */
};
/* 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::App({
/* There are example certificates in uWebSockets.js repo */
.key_file_name = "../misc/key.pem",
.cert_file_name = "../misc/cert.pem",
.passphrase = "1234"
}).ws<PerSocketData>("/*", {
/* Settings */
.compression = uWS::SHARED_COMPRESSOR,
.maxPayloadLength = 16 * 1024,
.idleTimeout = 10,
.maxBackpressure = 1 * 1024 * 1024,
/* Handlers */
.open = [](auto *ws) {
/* Open event here, you may access ws->getUserData() which points to a PerSocketData struct */
},
.message = [](auto *ws, std::string_view message, uWS::OpCode opCode) {
ws->send(message, opCode, true);
},
.drain = [](auto *ws) {
/* Check ws->getBufferedAmount() here */
},
.ping = [](auto *ws) {
/* Not implemented yet */
},
.pong = [](auto *ws) {
/* Not implemented yet */
},
.close = [](auto *ws, int code, std::string_view message) {
/* You may access ws->getUserData() here */
}
}).listen(9001, [](auto *listenSocket) {
listen_socket = listenSocket;
}).run();
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
us_listen_socket_close(0, listen_socket);
listen_socket = NULL;
}