示例#1
0
/* eventcb for bufferevent. For the purpose of simplicity and
   readability of the example program, we omitted the certificate and
   peer verification. After SSL/TLS handshake is over, initialize
   nghttp2 library session, and send client connection header. Then
   send HTTP request. */
static void eventcb(struct bufferevent *bev, short events, void *ptr)
{
  http2_session_data *session_data = (http2_session_data*)ptr;
  if(events & BEV_EVENT_CONNECTED) {
    int fd = bufferevent_getfd(bev);
    int val = 1;
    fprintf(stderr, "Connected\n");
    setsockopt(fd, IPPROTO_TCP, TCP_NODELAY, (char *)&val, sizeof(val));
    initialize_nghttp2_session(session_data);
    send_client_connection_header(session_data);
    submit_request(session_data);
    if(session_send(session_data) != 0) {
      delete_http2_session_data(session_data);
    }
    return;
  }
  if(events & BEV_EVENT_EOF) {
    warnx("Disconnected from the remote host");
  } else if(events & BEV_EVENT_ERROR) {
    warnx("Network error");
  } else if(events & BEV_EVENT_TIMEOUT) {
    warnx("Timeout");
  }
  delete_http2_session_data(session_data);
}
示例#2
0
/* eventcb for bufferevent. For the purpose of simplicity and
   readability of the example program, we omitted the certificate and
   peer verification. After SSL/TLS handshake is over, initialize
   nghttp2 library session, and send client connection header. Then
   send HTTP request. */
static void eventcb(struct bufferevent *bev, short events, void *ptr) {
  http2_session_data *session_data = (http2_session_data *)ptr;
  if (events & BEV_EVENT_CONNECTED) {
    int fd = bufferevent_getfd(bev);
    int val = 1;
    const unsigned char *alpn = NULL;
    unsigned int alpnlen = 0;
    SSL *ssl;

    fprintf(stderr, "Connected\n");

    ssl = bufferevent_openssl_get_ssl(session_data->bev);

#ifndef OPENSSL_NO_NEXTPROTONEG
    SSL_get0_next_proto_negotiated(ssl, &alpn, &alpnlen);
#endif /* !OPENSSL_NO_NEXTPROTONEG */
#if OPENSSL_VERSION_NUMBER >= 0x10002000L
    if (alpn == NULL) {
      SSL_get0_alpn_selected(ssl, &alpn, &alpnlen);
    }
#endif /* OPENSSL_VERSION_NUMBER >= 0x10002000L */

    if (alpn == NULL || alpnlen != 2 || memcmp("h2", alpn, 2) != 0) {
      fprintf(stderr, "h2 is not negotiated\n");
      delete_http2_session_data(session_data);
      return;
    }

    setsockopt(fd, IPPROTO_TCP, TCP_NODELAY, (char *)&val, sizeof(val));
    initialize_nghttp2_session(session_data);
    send_client_connection_header(session_data);
    submit_request(session_data);
    if (session_send(session_data) != 0) {
      delete_http2_session_data(session_data);
    }
    return;
  }
  if (events & BEV_EVENT_EOF) {
    warnx("Disconnected from the remote host");
  } else if (events & BEV_EVENT_ERROR) {
    warnx("Network error");
  } else if (events & BEV_EVENT_TIMEOUT) {
    warnx("Timeout");
  }
  delete_http2_session_data(session_data);
}