Coverage Report

Created: 2026-09-14 07:02

next uncovered line (L), next uncovered region (R), next uncovered branch (B)
/src/uWebSockets/fuzzing/AsyncEpollHelloWorld.cpp
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Count
Source
1
/* We rely on wrapped syscalls */
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#include "libEpollFuzzer/epoll_fuzzer.h"
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4
#include "App.h"
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6
/* We keep this one for teardown later on */
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struct us_listen_socket_t *listen_socket;
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9
/* This test is run by libEpollFuzzer */
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4.08k
void test() {
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12
4.08k
    {
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        /* Keep in mind that uWS::SSLApp({options}) is the same as uWS::App() when compiled without SSL support.
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        * You may swap to using uWS:App() if you don't need SSL */
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4.08k
        auto app = uWS::App({
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            /* There are example certificates in uWebSockets.js repo */
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4.08k
            .key_file_name = "../misc/key.pem",
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4.08k
            .cert_file_name = "../misc/cert.pem",
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4.08k
            .passphrase = "1234"
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8.96k
        }).get("/*", [](auto *res, auto *req) {
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8.96k
            auto aborted = std::make_shared<bool>();
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8.96k
            *aborted = false;
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8.96k
            res->onAborted([aborted]() {
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3.05k
                *aborted = true;
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3.05k
            });
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27
8.96k
            uWS::Loop::get()->defer([res, aborted]() {
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8.57k
                if (!*aborted) {
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5.91k
                    res->cork([res, aborted]() {
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                        // Todo: also test upgrade to websocket here
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5.91k
                        res->end("Hello async!");
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5.91k
                    });
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5.91k
                }
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8.57k
            });
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8.96k
        }).listen(9001, [](auto *listenSocket) {
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4.08k
            listen_socket = listenSocket;
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4.08k
        });
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        /* Publishing without WebSocket contexts must be a no-op */
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4.08k
        uWS::PreparedMessage preparedMessage = {};
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4.08k
        if (app.publish("unused", "hi", uWS::TEXT) ||
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4.08k
            app.publishPrepared("unused", preparedMessage) ||
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4.08k
            app.numSubscribers("unused")) {
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0
            exit(-1);
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0
        }
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4.08k
        app.run();
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4.08k
    }
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0
    uWS::Loop::get()->free();
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4.08k
}
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/* Thus function should shutdown the event-loop and let the test fall through */
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17.6k
void teardown() {
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  /* If we are called twice there's a bug (it potentially could if
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   * all open sockets cannot be error-closed in one epoll_wait call).
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   * But we only allow 1k FDs and we have a buffer of 1024 from epoll_wait */
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17.6k
  if (!listen_socket) {
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0
    exit(-1);
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0
  }
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  /* We might have open sockets still, and these will be error-closed by epoll_wait */
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  // us_socket_context_close - close all open sockets created with this socket context
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17.6k
    if (listen_socket) {
64
17.6k
        us_listen_socket_close(0, listen_socket);
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        listen_socket = NULL;
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17.6k
    }
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17.6k
}