un-nest curl

curl-8.15.0/tests/libtest/lib1501.c

@@ -0,0 +1,108 @@
+/***************************************************************************
+ *                                  _   _ ____  _
+ *  Project                     ___| | | |  _ \| |
+ *                             / __| | | | |_) | |
+ *                            | (__| |_| |  _ <| |___
+ *                             \___|\___/|_| \_\_____|
+ *
+ * Copyright (C) Daniel Stenberg, <daniel@haxx.se>, et al.
+ *
+ * This software is licensed as described in the file COPYING, which
+ * you should have received as part of this distribution. The terms
+ * are also available at https://curl.se/docs/copyright.html.
+ *
+ * You may opt to use, copy, modify, merge, publish, distribute and/or sell
+ * copies of the Software, and permit persons to whom the Software is
+ * furnished to do so, under the terms of the COPYING file.
+ *
+ * This software is distributed on an "AS IS" basis, WITHOUT WARRANTY OF ANY
+ * KIND, either express or implied.
+ *
+ * SPDX-License-Identifier: curl
+ *
+ ***************************************************************************/
+#include "first.h"
+
+#include "memdebug.h"
+
+static CURLcode test_lib1501(char *URL)
+{
+  static const long HANG_TIMEOUT = 30 * 1000;
+  /* 500 milliseconds allowed. An extreme number but lets be really
+     conservative to allow old and slow machines to run this test too */
+  static const int MAX_BLOCKED_TIME_MS = 500;
+
+  CURL *handle = NULL;
+  CURLM *mhandle = NULL;
+  CURLcode res = CURLE_OK;
+  int still_running = 0;
+
+  start_test_timing();
+
+  global_init(CURL_GLOBAL_ALL);
+
+  easy_init(handle);
+
+  easy_setopt(handle, CURLOPT_URL, URL);
+  easy_setopt(handle, CURLOPT_VERBOSE, 1L);
+
+  multi_init(mhandle);
+
+  multi_add_handle(mhandle, handle);
+
+  multi_perform(mhandle, &still_running);
+
+  abort_on_test_timeout_custom(HANG_TIMEOUT);
+
+  while(still_running) {
+    struct timeval timeout;
+    fd_set fdread;
+    fd_set fdwrite;
+    fd_set fdexcep;
+    int maxfd = -99;
+    struct curltime before;
+    struct curltime after;
+    timediff_t e;
+
+    timeout.tv_sec = 0;
+    timeout.tv_usec = 100000L; /* 100 ms */
+
+    FD_ZERO(&fdread);
+    FD_ZERO(&fdwrite);
+    FD_ZERO(&fdexcep);
+
+    multi_fdset(mhandle, &fdread, &fdwrite, &fdexcep, &maxfd);
+
+    /* At this point, maxfd is guaranteed to be greater or equal than -1. */
+
+    select_test(maxfd + 1, &fdread, &fdwrite, &fdexcep, &timeout);
+
+    abort_on_test_timeout_custom(HANG_TIMEOUT);
+
+    curl_mfprintf(stderr, "ping\n");
+    before = curlx_now();
+
+    multi_perform(mhandle, &still_running);
+
+    abort_on_test_timeout_custom(HANG_TIMEOUT);
+
+    after = curlx_now();
+    e = curlx_timediff(after, before);
+    curl_mfprintf(stderr, "pong = %ld\n", (long)e);
+
+    if(e > MAX_BLOCKED_TIME_MS) {
+      res = CURLE_TOO_LARGE;
+      break;
+    }
+  }
+
+test_cleanup:
+
+  /* undocumented cleanup sequence - type UA */
+
+  curl_multi_cleanup(mhandle);
+  curl_easy_cleanup(handle);
+  curl_global_cleanup();
+
+  return res;
+}