| /* |
| This file is part of libmicrohttpd |
| Copyright (C) 2007, 2009, 2011 Christian Grothoff |
| Copyright (C) 2014-2022 Evgeny Grin (Karlson2k) |
| |
| libmicrohttpd is free software; you can redistribute it and/or modify |
| it under the terms of the GNU General Public License as published |
| by the Free Software Foundation; either version 2, or (at your |
| option) any later version. |
| |
| libmicrohttpd is distributed in the hope that it will be useful, but |
| WITHOUT ANY WARRANTY; without even the implied warranty of |
| MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU |
| General Public License for more details. |
| |
| You should have received a copy of the GNU General Public License |
| along with libmicrohttpd; see the file COPYING. If not, write to the |
| Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor, |
| Boston, MA 02110-1301, USA. |
| */ |
| /** |
| * @file test_callback.c |
| * @brief Testcase for MHD not calling the callback too often |
| * @author Jan Seeger |
| * @author Christian Grothoff |
| * @author Karlson2k (Evgeny Grin) |
| */ |
| #include "MHD_config.h" |
| #include "platform.h" |
| #include <curl/curl.h> |
| #include <microhttpd.h> |
| |
| struct callback_closure |
| { |
| unsigned int called; |
| }; |
| |
| |
| static ssize_t |
| called_twice (void *cls, uint64_t pos, char *buf, size_t max) |
| { |
| struct callback_closure *cls2 = cls; |
| |
| (void) pos; /* Unused. Silence compiler warning. */ |
| (void) max; |
| if (cls2->called == 0) |
| { |
| memcpy (buf, "test", 5); |
| cls2->called = 1; |
| return (ssize_t) strlen (buf); |
| } |
| if (cls2->called == 1) |
| { |
| cls2->called = 2; |
| return MHD_CONTENT_READER_END_OF_STREAM; |
| } |
| fprintf (stderr, |
| "Handler called after returning END_OF_STREAM!\n"); |
| abort (); |
| return MHD_CONTENT_READER_END_WITH_ERROR; |
| } |
| |
| |
| static enum MHD_Result |
| callback (void *cls, |
| struct MHD_Connection *connection, |
| const char *url, |
| const char *method, |
| const char *version, |
| const char *upload_data, |
| size_t *upload_data_size, |
| void **req_cls) |
| { |
| struct callback_closure *cbc = calloc (1, sizeof(struct callback_closure)); |
| struct MHD_Response *r; |
| enum MHD_Result ret; |
| |
| (void) cls; |
| (void) url; /* Unused. Silent compiler warning. */ |
| (void) method; |
| (void) version; |
| (void) upload_data; /* Unused. Silent compiler warning. */ |
| (void) upload_data_size; |
| (void) req_cls; /* Unused. Silent compiler warning. */ |
| |
| if (NULL == cbc) |
| return MHD_NO; |
| r = MHD_create_response_from_callback (MHD_SIZE_UNKNOWN, 1024, |
| &called_twice, cbc, |
| &free); |
| if (NULL == r) |
| { |
| free (cbc); |
| return MHD_NO; |
| } |
| ret = MHD_queue_response (connection, |
| MHD_HTTP_OK, |
| r); |
| MHD_destroy_response (r); |
| return ret; |
| } |
| |
| |
| static size_t |
| discard_buffer (void *ptr, |
| size_t size, |
| size_t nmemb, |
| void *ctx) |
| { |
| (void) ptr; (void) ctx; /* Unused. Silent compiler warning. */ |
| return size * nmemb; |
| } |
| |
| |
| int |
| main (int argc, char **argv) |
| { |
| struct MHD_Daemon *d; |
| fd_set rs; |
| fd_set ws; |
| fd_set es; |
| MHD_socket maxsock; |
| #ifdef MHD_WINSOCK_SOCKETS |
| int maxposixs; /* Max socket number unused on W32 */ |
| #else /* MHD_POSIX_SOCKETS */ |
| #define maxposixs maxsock |
| #endif /* MHD_POSIX_SOCKETS */ |
| CURL *c; |
| CURLM *multi; |
| CURLMcode mret; |
| struct CURLMsg *msg; |
| int running; |
| struct timeval tv; |
| int extra; |
| uint16_t port; |
| (void) argc; (void) argv; /* Unused. Silent compiler warning. */ |
| |
| if (MHD_NO != MHD_is_feature_supported (MHD_FEATURE_AUTODETECT_BIND_PORT)) |
| port = 0; |
| else |
| port = 1140; |
| |
| d = MHD_start_daemon (0, |
| port, |
| NULL, |
| NULL, |
| &callback, |
| NULL, |
| MHD_OPTION_END); |
| if (d == NULL) |
| return 32; |
| if (0 == port) |
| { |
| const union MHD_DaemonInfo *dinfo; |
| dinfo = MHD_get_daemon_info (d, MHD_DAEMON_INFO_BIND_PORT); |
| if ((NULL == dinfo) || (0 == dinfo->port) ) |
| { |
| MHD_stop_daemon (d); return 48; |
| } |
| port = dinfo->port; |
| } |
| c = curl_easy_init (); |
| curl_easy_setopt (c, CURLOPT_URL, "http://127.0.0.1/"); |
| curl_easy_setopt (c, CURLOPT_PORT, (long) port); |
| curl_easy_setopt (c, CURLOPT_WRITEFUNCTION, &discard_buffer); |
| curl_easy_setopt (c, CURLOPT_FAILONERROR, 1L); |
| curl_easy_setopt (c, CURLOPT_HTTP_VERSION, CURL_HTTP_VERSION_1_0); |
| curl_easy_setopt (c, CURLOPT_TIMEOUT, 150L); |
| curl_easy_setopt (c, CURLOPT_CONNECTTIMEOUT, 150L); |
| curl_easy_setopt (c, CURLOPT_NOSIGNAL, 1L); |
| multi = curl_multi_init (); |
| if (multi == NULL) |
| { |
| curl_easy_cleanup (c); |
| MHD_stop_daemon (d); |
| return 99; |
| } |
| mret = curl_multi_add_handle (multi, c); |
| if (mret != CURLM_OK) |
| { |
| curl_multi_cleanup (multi); |
| curl_easy_cleanup (c); |
| MHD_stop_daemon (d); |
| return 99; |
| } |
| extra = 10; |
| while ( (c != NULL) || (--extra > 0) ) |
| { |
| maxsock = MHD_INVALID_SOCKET; |
| maxposixs = -1; |
| FD_ZERO (&ws); |
| FD_ZERO (&rs); |
| FD_ZERO (&es); |
| curl_multi_perform (multi, &running); |
| if (NULL != multi) |
| { |
| mret = curl_multi_fdset (multi, &rs, &ws, &es, &maxposixs); |
| if (mret != CURLM_OK) |
| { |
| curl_multi_remove_handle (multi, c); |
| curl_multi_cleanup (multi); |
| curl_easy_cleanup (c); |
| MHD_stop_daemon (d); |
| return 99; |
| } |
| } |
| if (MHD_YES != |
| MHD_get_fdset (d, &rs, &ws, &es, &maxsock)) |
| { |
| curl_multi_remove_handle (multi, c); |
| curl_multi_cleanup (multi); |
| curl_easy_cleanup (c); |
| MHD_stop_daemon (d); |
| return 4; |
| } |
| tv.tv_sec = 0; |
| tv.tv_usec = 1000; |
| if (-1 == select (maxposixs + 1, &rs, &ws, &es, &tv)) |
| { |
| #ifdef MHD_POSIX_SOCKETS |
| if (EINTR != errno) |
| { |
| fprintf (stderr, "Unexpected select() error: %d. Line: %d\n", |
| (int) errno, __LINE__); |
| fflush (stderr); |
| exit (99); |
| } |
| #else |
| if ((WSAEINVAL != WSAGetLastError ()) || |
| (0 != rs.fd_count) || (0 != ws.fd_count) || (0 != es.fd_count) ) |
| { |
| fprintf (stderr, "Unexpected select() error: %d. Line: %d\n", |
| (int) WSAGetLastError (), __LINE__); |
| fflush (stderr); |
| exit (99); |
| } |
| Sleep (1); |
| #endif |
| } |
| if (NULL != multi) |
| { |
| curl_multi_perform (multi, &running); |
| if (0 == running) |
| { |
| int pending; |
| int curl_fine = 0; |
| while (NULL != (msg = curl_multi_info_read (multi, &pending))) |
| { |
| if (msg->msg == CURLMSG_DONE) |
| { |
| if (msg->data.result == CURLE_OK) |
| curl_fine = 1; |
| else |
| { |
| fprintf (stderr, |
| "%s failed at %s:%d: `%s'\n", |
| "curl_multi_perform", |
| __FILE__, |
| __LINE__, curl_easy_strerror (msg->data.result)); |
| abort (); |
| } |
| } |
| } |
| if (! curl_fine) |
| { |
| fprintf (stderr, "libcurl haven't returned OK code\n"); |
| abort (); |
| } |
| curl_multi_remove_handle (multi, c); |
| curl_multi_cleanup (multi); |
| curl_easy_cleanup (c); |
| c = NULL; |
| multi = NULL; |
| } |
| } |
| MHD_run (d); |
| } |
| MHD_stop_daemon (d); |
| return 0; |
| } |