--- /dev/null
+/***************************************************************************
+ * _ _ ____ _
+ * Project ___| | | | _ \| |
+ * / __| | | | |_) | |
+ * | (__| |_| | _ <| |___
+ * \___|\___/|_| \_\_____|
+ *
+ * Copyright (C) 1998 - 2011, 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 http://curl.haxx.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.
+ *
+ ***************************************************************************/
+
+/*
+ * Check for bugs #1303 and #1327: libcurl should never remove DNS entries
+ * created via CURLOPT_RESOLVE, neither after DNS_CACHE_TIMEOUT elapses
+ * (test1515) nor a dead connection is detected (test1616).
+ */
+
+#include "test.h"
+#include "testutil.h"
+#include "warnless.h"
+#include "memdebug.h"
+
+#define TEST_HANG_TIMEOUT 60 * 1000
+
+#define DNS_TIMEOUT 1
+
+int debug_callback(CURL *curl, curl_infotype info, char *msg, size_t len, void *ptr)
+{
+ if (info == CURLINFO_TEXT)
+ fprintf(stderr, "debug: %.*s", (int) len, msg);
+
+ return 0;
+}
+
+int do_one_request(CURLM *m, char *URL, char *resolve)
+{
+ CURL *curls;
+ struct curl_slist *resolve_list = NULL;
+ int still_running;
+ int res = 0;
+ CURLMsg *msg;
+ int msgs_left;
+
+ resolve_list = curl_slist_append(resolve_list, resolve);
+
+ easy_init(curls);
+
+ easy_setopt(curls, CURLOPT_URL, URL);
+ easy_setopt(curls, CURLOPT_RESOLVE, resolve_list);
+ easy_setopt(curls, CURLOPT_DEBUGFUNCTION, debug_callback);
+ easy_setopt(curls, CURLOPT_VERBOSE, 1);
+ easy_setopt(curls, CURLOPT_DNS_CACHE_TIMEOUT, DNS_TIMEOUT);
+
+ multi_add_handle(m, curls);
+ multi_perform(m, &still_running);
+
+ abort_on_test_timeout();
+
+ while (still_running)
+ {
+ struct timeval timeout;
+ fd_set fdread, fdwrite, fdexcep;
+ int maxfd = -99;
+
+ FD_ZERO(&fdread);
+ FD_ZERO(&fdwrite);
+ FD_ZERO(&fdexcep);
+ timeout.tv_sec = 1;
+ timeout.tv_usec = 0;
+
+ multi_fdset(m, &fdread, &fdwrite, &fdexcep, &maxfd);
+ select_test(maxfd+1, &fdread, &fdwrite, &fdexcep, &timeout);
+
+ abort_on_test_timeout();
+ multi_perform(m, &still_running);
+
+ abort_on_test_timeout();
+ }
+
+ while ((msg = curl_multi_info_read(m, &msgs_left)))
+ {
+ if (msg->msg == CURLMSG_DONE && msg->easy_handle == curls)
+ {
+ res = msg->data.result;
+ break;
+ }
+ }
+
+test_cleanup:
+ curl_multi_remove_handle(m, curls);
+ curl_easy_cleanup(curls);
+ curl_slist_free_all(resolve_list);
+
+ return res;
+}
+
+int test(char *URL)
+{
+ CURLM* multi = NULL;
+ int res = 0;
+ char *address = libtest_arg2;
+ char *port = libtest_arg3;
+ char *path = URL;
+ char dns_entry[256];
+ int i;
+ int count = 2;
+
+ snprintf(dns_entry, sizeof(dns_entry), "testserver.example.com:%s:%s", port, address);
+ char target_url[256];
+
+ start_test_timing();
+
+ global_init(CURL_GLOBAL_ALL);
+ multi_init(multi);
+
+ for (i = 1; i <= count; i++)
+ {
+ snprintf(target_url, sizeof(target_url), "http://testserver.example.com:%s%s%04d", port, path, i);
+ /* second request must succeed like the first one */
+ if ((res = do_one_request(multi, target_url, dns_entry)))
+ goto test_cleanup;
+ if (i < count)
+ sleep(DNS_TIMEOUT + 1);
+ }
+
+test_cleanup:
+ curl_multi_cleanup(multi);
+
+ return (int) res;
+}
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