Ejemplos de create_back_socket en C++ (Cpp)

Ejemplo n.º 1

Archivo: stud.c Proyecto: gyepisam/stud

/* libev read handler for the bound socket.  Socket is accepted,
 * the proxystate is allocated and initalized, and we're off the races
 * connecting to the backend */
static void handle_accept(struct ev_loop *loop, ev_io *w, int revents) {
    (void) revents;
    struct sockaddr_storage addr;
    socklen_t sl = sizeof(addr);
    int client = accept(w->fd, (struct sockaddr *) &addr, &sl);
    if (client == -1) {
        assert(errno == EINTR || errno == EWOULDBLOCK || errno == EAGAIN);
        return;
    }

    setnonblocking(client);
    int back = create_back_socket();

    if (back == -1) {
        close(client);
        perror("{backend-connect}");
        return;
    }

    SSL_CTX * ctx = (SSL_CTX *)w->data;
    SSL *ssl = SSL_new(ctx);
    SSL_set_mode(ssl, SSL_MODE_ENABLE_PARTIAL_WRITE);
    SSL_set_accept_state(ssl);
    SSL_set_fd(ssl, client);

    proxystate *ps = (proxystate *)malloc(sizeof(proxystate));

    ps->fd_up = client;
    ps->fd_down = back;
    ps->ssl = ssl;
    ps->want_shutdown = 0;
    ps->remote_ip = addr;
    ringbuffer_init(&ps->ring_up);
    ringbuffer_init(&ps->ring_down);

    /* set up events */
    ev_io_init(&ps->ev_r_up, client_read, client, EV_READ);
    ev_io_init(&ps->ev_w_up, client_write, client, EV_WRITE);

    ev_io_init(&ps->ev_r_handshake, client_handshake, client, EV_READ);
    ev_io_init(&ps->ev_w_handshake, client_handshake, client, EV_WRITE);

    ev_io_init(&ps->ev_w_down, handle_connect, back, EV_WRITE);

    ev_io_start(loop, &ps->ev_w_down);

    ps->ev_r_up.data = ps;
    ps->ev_w_up.data = ps;
    ps->ev_r_down.data = ps;
    ps->ev_w_down.data = ps;
    ps->ev_r_handshake.data = ps;
    ps->ev_w_handshake.data = ps;

}

Ejemplo n.º 2

Archivo: stud.c Proyecto: mqudsi/stud

/* libev read handler for the bound socket.  Socket is accepted,
 * the proxystate is allocated and initalized, and we're off the races
 * connecting to the backend */
static void handle_accept(struct ev_loop *loop, ev_io *w, int revents) {
    (void) revents;
    struct sockaddr_storage addr;
    socklen_t sl = sizeof(addr);
    int client = accept(w->fd, (struct sockaddr *) &addr, &sl);
    if (client == -1) {
        assert(errno == EINTR || errno == EWOULDBLOCK || errno == EAGAIN);
        return;
    }

    int flag = 1;
    int ret = setsockopt(client, IPPROTO_TCP, TCP_NODELAY, (char *)&flag, sizeof(flag) );
    if (ret == -1) {
      perror("Couldn't setsockopt(TCP_NODELAY)\n");
    }
#ifdef TCP_CWND
    int cwnd = 10;
    ret = setsockopt(client, IPPROTO_TCP, TCP_CWND, &cwnd, sizeof(cwnd));
    if (ret == -1) {
      perror("Couldn't setsockopt(TCP_CWND)\n");
    }
#endif

    setnonblocking(client);
    int back = create_back_socket();

    if (back == -1) {
        close(client);
        perror("{backend-connect}");
        return;
    }

    SSL_CTX * ctx = (SSL_CTX *)w->data;
    SSL *ssl = SSL_new(ctx);
    long mode = SSL_MODE_ENABLE_PARTIAL_WRITE;
#ifdef SSL_MODE_RELEASE_BUFFERS
    mode |= SSL_MODE_RELEASE_BUFFERS;
#endif
    SSL_set_mode(ssl, mode);
    SSL_set_accept_state(ssl);
    SSL_set_fd(ssl, client);

    proxystate *ps = (proxystate *)malloc(sizeof(proxystate));

    ps->fd_up = client;
    ps->fd_down = back;
    ps->ssl = ssl;
    ps->want_shutdown = 0;
    ps->remote_ip = addr;
    ringbuffer_init(&ps->ring_up);
    ringbuffer_init(&ps->ring_down);

    /* set up events */
    ev_io_init(&ps->ev_r_up, client_read, client, EV_READ);
    ev_io_init(&ps->ev_w_up, client_write, client, EV_WRITE);

    ev_io_init(&ps->ev_r_handshake, client_handshake, client, EV_READ);
    ev_io_init(&ps->ev_w_handshake, client_handshake, client, EV_WRITE);

    ev_io_init(&ps->ev_w_down, handle_connect, back, EV_WRITE);

    ev_io_start(loop, &ps->ev_w_down);

    ps->ev_r_up.data = ps;
    ps->ev_w_up.data = ps;
    ps->ev_r_down.data = ps;
    ps->ev_w_down.data = ps;
    ps->ev_r_handshake.data = ps;
    ps->ev_w_handshake.data = ps;

}