void enclave_ready()

in init/init.c [354:375]

• 19 lines of code
• 1 McCabe index (conditional complexity)

void enclave_ready() {
    int socket_fd;
    struct sockaddr_vm sa = {
        .svm_family = AF_VSOCK,
        .svm_cid = VSOCK_CID,
        .svm_port = VSOCK_PORT,
        .svm_reserved1 = 0,
    };

    uint8_t buf[1];
    buf[0] = HEART_BEAT;
    errno = -EINVAL;

    socket_fd = socket(AF_VSOCK, SOCK_STREAM, 0);
    die_on(socket_fd < 0, "socket");

    die_on(connect(socket_fd, (struct sockaddr*) &sa, sizeof(sa)), "connect");
    die_on(write(socket_fd, buf, 1) != 1, "write heartbeat");
    die_on(read(socket_fd, buf, 1) != 1, "read heartbeat");
    die_on(buf[0] != HEART_BEAT, "received wrong heartbeat");
    die_on(close(socket_fd), "close");
}