libmicrohttpd

HTTP/1.x server C library (MHD 1.x, stable)
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commit 8e796aefcc5980863088935033fe4d48d4a2e3fa
parent 762856de2cfb0ff7e96991c32577795085e7b7fd
Author: Christian Grothoff <christian@grothoff.org>
Date:   Fri, 26 Apr 2013 09:51:33 +0000

adding testcase for quiesce from Scott Goldman

Diffstat:
MAUTHORS | 1+
Msrc/testcurl/Makefile.am | 7+++++++
Asrc/testcurl/test_quiesce.c | 415+++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++
3 files changed, 423 insertions(+), 0 deletions(-)

diff --git a/AUTHORS b/AUTHORS @@ -40,6 +40,7 @@ Steve Wolf <stevewolf6@gmail.com> Brecht Sanders <brecht@sanders.org> Jan Janak <jan@janakj.org> Matthew Mundell <matthew.mundell@greenbone.net> +Scott Goldman <scottjg@github.com> Documentation contributions also came from: Marco Maggi <marco.maggi-ipsu@poste.it> diff --git a/src/testcurl/Makefile.am b/src/testcurl/Makefile.am @@ -29,6 +29,7 @@ endif check_PROGRAMS = \ test_start_stop \ test_get \ + test_quiesce \ test_get_sendfile \ test_urlparse \ test_put \ @@ -92,6 +93,12 @@ test_get_LDADD = \ $(top_builddir)/src/daemon/libmicrohttpd.la \ @LIBCURL@ +test_quiesce_SOURCES = \ + test_quiesce.c +test_quiesce_LDADD = \ + $(top_builddir)/src/daemon/libmicrohttpd.la \ + @LIBCURL@ + test_callback_SOURCES = \ test_callback.c test_callback_LDADD = \ diff --git a/src/testcurl/test_quiesce.c b/src/testcurl/test_quiesce.c @@ -0,0 +1,415 @@ +/* + This file is part of libmicrohttpd + (C) 2013 Christian Grothoff + + 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., 59 Temple Place - Suite 330, + Boston, MA 02111-1307, USA. +*/ + +/** + * @file daemontest_quiesce.c + * @brief Testcase for libmicrohttpd quiescing + * @author Christian Grothoff + */ + +#include "MHD_config.h" +#include "platform.h" +#include <curl/curl.h> +#include <microhttpd.h> +#include <stdlib.h> +#include <string.h> +#include <time.h> + +#ifndef WINDOWS +#include <unistd.h> +#include <sys/socket.h> +#endif + +static int oneone; +static int done; + +struct CBC +{ + char *buf; + size_t pos; + size_t size; +}; + +static size_t +copyBuffer (void *ptr, size_t size, size_t nmemb, void *ctx) +{ + struct CBC *cbc = ctx; + + if (cbc->pos + size * nmemb > cbc->size) + return 0; /* overflow */ + memcpy (&cbc->buf[cbc->pos], ptr, size * nmemb); + cbc->pos += size * nmemb; + return size * nmemb; +} + +static int +ahc_echo (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 **unused) +{ + static int ptr; + const char *me = cls; + struct MHD_Response *response; + int ret; + + if (0 != strcmp (me, method)) + return MHD_NO; /* unexpected method */ + if (&ptr != *unused) + { + *unused = &ptr; + return MHD_YES; + } + *unused = NULL; + response = MHD_create_response_from_buffer (strlen (url), + (void *) url, + MHD_RESPMEM_MUST_COPY); + ret = MHD_queue_response (connection, MHD_HTTP_OK, response); + MHD_destroy_response (response); + if (ret == MHD_NO) + abort (); + return ret; +} + +void request_completed (void *cls, struct MHD_Connection *connection, + void **con_cls, enum MHD_RequestTerminationCode code) +{ + int *done = (int *)cls; + *done = 1; +} + +void ServeOneRequest(int fd) +{ + struct MHD_Daemon *d; + fd_set rs; + fd_set ws; + fd_set es; + int max; + struct CURLMsg *msg; + time_t start; + struct timeval tv; + int done = 0; + d = MHD_start_daemon (MHD_USE_DEBUG, + 1082, NULL, NULL, &ahc_echo, "GET", + MHD_OPTION_LISTEN_SOCKET, fd, + MHD_OPTION_NOTIFY_COMPLETED, &request_completed, &done, + MHD_OPTION_END); + if (d == NULL) + _exit(1); + + start = time (NULL); + while ((time (NULL) - start < 5) && done == 0) + { + max = 0; + FD_ZERO (&rs); + FD_ZERO (&ws); + FD_ZERO (&es); + if (MHD_YES != MHD_get_fdset (d, &rs, &ws, &es, &max)) + { + MHD_stop_daemon (d); + close(fd); + _exit(4096); + } + tv.tv_sec = 0; + tv.tv_usec = 1000; + select (max + 1, &rs, &ws, &es, &tv); + MHD_run (d); + } + MHD_stop_daemon (d); + close(fd); + _exit(0); +} + +CURL *setupCURL(void *cbc) +{ + CURL *c; + c = curl_easy_init (); + curl_easy_setopt (c, CURLOPT_URL, "http://127.0.0.1:11080/hello_world"); + curl_easy_setopt (c, CURLOPT_WRITEFUNCTION, &copyBuffer); + curl_easy_setopt (c, CURLOPT_WRITEDATA, cbc); + curl_easy_setopt (c, CURLOPT_FAILONERROR, 1); + curl_easy_setopt (c, CURLOPT_TIMEOUT_MS, 150L); + curl_easy_setopt (c, CURLOPT_CONNECTTIMEOUT_MS, 150L); + if (oneone) + curl_easy_setopt (c, CURLOPT_HTTP_VERSION, CURL_HTTP_VERSION_1_1); + else + curl_easy_setopt (c, CURLOPT_HTTP_VERSION, CURL_HTTP_VERSION_1_0); + /* NOTE: use of CONNECTTIMEOUT without also + setting NOSIGNAL results in really weird + crashes on my system!*/ + curl_easy_setopt (c, CURLOPT_NOSIGNAL, 1); + + return c; +} + +static int +testGet (int type, int pool_count, int poll_flag) +{ + struct MHD_Daemon *d; + CURL *c; + char buf[2048]; + struct CBC cbc; + CURLcode errornum; + int fd; + pid_t pid; + + cbc.buf = buf; + cbc.size = 2048; + cbc.pos = 0; + if (pool_count > 0) { + d = MHD_start_daemon (type | MHD_USE_DEBUG | poll_flag, + 11080, NULL, NULL, &ahc_echo, "GET", + MHD_OPTION_THREAD_POOL_SIZE, pool_count, MHD_OPTION_END); + + } else { + d = MHD_start_daemon (type | MHD_USE_DEBUG | poll_flag, + 11080, NULL, NULL, &ahc_echo, "GET", MHD_OPTION_END); + } + if (d == NULL) + return 1; + + c = setupCURL(&cbc); + + if (CURLE_OK != (errornum = curl_easy_perform (c))) + { + fprintf (stderr, + "curl_easy_perform failed: `%s'\n", + curl_easy_strerror (errornum)); + curl_easy_cleanup (c); + MHD_stop_daemon (d); + return 2; + } + + if (cbc.pos != strlen ("/hello_world")) { + curl_easy_cleanup (c); + MHD_stop_daemon (d); + return 4; + } + if (0 != strncmp ("/hello_world", cbc.buf, strlen ("/hello_world"))) { + curl_easy_cleanup (c); + MHD_stop_daemon (d); + return 8; + } + + fd = MHD_quiesce_daemon(d); + + if (fork() == 0) { + ServeOneRequest(fd); + _exit(1); + } + + cbc.pos = 0; + if (CURLE_OK != (errornum = curl_easy_perform (c))) + { + fprintf (stderr, + "curl_easy_perform failed: `%s'\n", + curl_easy_strerror (errornum)); + curl_easy_cleanup (c); + return 2; + } + + waitpid(-1, NULL, 0); + + if (cbc.pos != strlen ("/hello_world")) { + fprintf(stderr, "%s\n", cbc.buf); + curl_easy_cleanup (c); + MHD_stop_daemon (d); + close(fd); + return 4; + } + if (0 != strncmp ("/hello_world", cbc.buf, strlen ("/hello_world"))) { + fprintf(stderr, "%s\n", cbc.buf); + curl_easy_cleanup (c); + MHD_stop_daemon (d); + close(fd); + return 8; + } + + /* at this point, the forked server quit, and the new + * server has quiesced, so new requests should fail + */ + if (CURLE_OK == (errornum = curl_easy_perform (c))) + { + fprintf (stderr, "curl_easy_perform should fail\n"); + curl_easy_cleanup (c); + MHD_stop_daemon (d); + close(fd); + return 2; + } + curl_easy_cleanup (c); + MHD_stop_daemon (d); + close(fd); + + return 0; +} + + +static int +testExternalGet () +{ + struct MHD_Daemon *d; + CURL *c; + char buf[2048]; + struct CBC cbc; + CURLM *multi; + CURLMcode mret; + fd_set rs; + fd_set ws; + fd_set es; + int max; + int running; + struct CURLMsg *msg; + time_t start; + struct timeval tv; + int i; + int fd; + + multi = NULL; + cbc.buf = buf; + cbc.size = 2048; + cbc.pos = 0; + d = MHD_start_daemon (MHD_USE_DEBUG, + 11080, NULL, NULL, &ahc_echo, "GET", MHD_OPTION_END); + if (d == NULL) + return 256; + c = setupCURL(&cbc); + + multi = curl_multi_init (); + if (multi == NULL) + { + curl_easy_cleanup (c); + MHD_stop_daemon (d); + return 512; + } + mret = curl_multi_add_handle (multi, c); + if (mret != CURLM_OK) + { + curl_multi_cleanup (multi); + curl_easy_cleanup (c); + MHD_stop_daemon (d); + return 1024; + } + + for (i = 0; i < 2; i++) { + start = time (NULL); + while ((time (NULL) - start < 5) && (multi != NULL)) + { + max = 0; + FD_ZERO (&rs); + FD_ZERO (&ws); + FD_ZERO (&es); + curl_multi_perform (multi, &running); + mret = curl_multi_fdset (multi, &rs, &ws, &es, &max); + if (mret != CURLM_OK) + { + curl_multi_remove_handle (multi, c); + curl_multi_cleanup (multi); + curl_easy_cleanup (c); + MHD_stop_daemon (d); + return 2048; + } + if (MHD_YES != MHD_get_fdset (d, &rs, &ws, &es, &max)) + { + curl_multi_remove_handle (multi, c); + curl_multi_cleanup (multi); + curl_easy_cleanup (c); + MHD_stop_daemon (d); + return 4096; + } + tv.tv_sec = 0; + tv.tv_usec = 1000; + select (max + 1, &rs, &ws, &es, &tv); + curl_multi_perform (multi, &running); + if (running == 0) + { + msg = curl_multi_info_read (multi, &running); + if (msg == NULL) + break; + if (msg->msg == CURLMSG_DONE) + { + if (i == 0 && msg->data.result != CURLE_OK) + printf ("%s failed at %s:%d: `%s'\n", + "curl_multi_perform", + __FILE__, + __LINE__, curl_easy_strerror (msg->data.result)); + else if (i == 1 && msg->data.result == CURLE_OK) + printf ("%s should have failed at %s:%d\n", + "curl_multi_perform", + __FILE__, + __LINE__); + curl_multi_remove_handle (multi, c); + curl_multi_cleanup (multi); + curl_easy_cleanup (c); + c = NULL; + multi = NULL; + } + } + MHD_run (d); + } + + if (i == 0) { + /* quiesce the daemon on the 1st iteration, so the 2nd should fail */ + fd = MHD_quiesce_daemon(d); + close(fd); + c = setupCURL(&cbc); + multi = curl_multi_init (); + mret = curl_multi_add_handle (multi, c); + } + } + if (multi != NULL) + { + curl_multi_remove_handle (multi, c); + curl_easy_cleanup (c); + curl_multi_cleanup (multi); + } + MHD_stop_daemon (d); + if (cbc.pos != strlen ("/hello_world")) + return 8192; + if (0 != strncmp ("/hello_world", cbc.buf, strlen ("/hello_world"))) + return 16384; + return 0; +} + + +int +main (int argc, char *const *argv) +{ + unsigned int errorCount = 0; + + oneone = NULL != strstr (argv[0], "11"); + if (0 != curl_global_init (CURL_GLOBAL_WIN32)) + return 2; + errorCount += testGet (MHD_USE_SELECT_INTERNALLY, 0, 0); + errorCount += testGet (MHD_USE_THREAD_PER_CONNECTION, 0, 0); + errorCount += testGet (MHD_USE_SELECT_INTERNALLY, 4, 0); + errorCount += testExternalGet (); +#ifndef WINDOWS + errorCount += testGet (MHD_USE_SELECT_INTERNALLY, 0, MHD_USE_POLL); + errorCount += testGet (MHD_USE_THREAD_PER_CONNECTION, 0, MHD_USE_POLL); + errorCount += testGet (MHD_USE_SELECT_INTERNALLY, 4, MHD_USE_POLL); +#endif + if (errorCount != 0) + fprintf (stderr, "Error (code: %u)\n", errorCount); + curl_global_cleanup (); + return errorCount != 0; /* 0 == pass */ +}