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[GNUnet-SVN] r35498 - in libmicrohttpd: . src/microhttpd src/testcurl
From: |
gnunet |
Subject: |
[GNUnet-SVN] r35498 - in libmicrohttpd: . src/microhttpd src/testcurl |
Date: |
Sat, 4 Apr 2015 17:50:16 +0200 |
Author: grothoff
Date: 2015-04-04 17:50:15 +0200 (Sat, 04 Apr 2015)
New Revision: 35498
Added:
libmicrohttpd/src/testcurl/test_concurrent_stop.c
Modified:
libmicrohttpd/ChangeLog
libmicrohttpd/src/microhttpd/daemon.c
libmicrohttpd/src/testcurl/Makefile.am
libmicrohttpd/src/testcurl/test_iplimit.c
Log:
fix thread-pool connection-limit shutdown issue, adding testcase
Modified: libmicrohttpd/ChangeLog
===================================================================
--- libmicrohttpd/ChangeLog 2015-04-03 17:36:25 UTC (rev 35497)
+++ libmicrohttpd/ChangeLog 2015-04-04 15:50:15 UTC (rev 35498)
@@ -1,3 +1,10 @@
+Sat Apr 4 17:48:13 CEST 2015
+ Fix issue in thread-pool mode where a MHD_stop_daemon()
+ might not reach threads that stopped listening because
+ we hit the maximum number of concurrent connections and
+ the option MHD_USE_PIPE_FOR_SHUTDOWN was also not used.
+ Testcase added as well. -CG
+
Fri Apr 3 12:55:31 CEST 2015
Update HTTPS testcases to avoid SSLv3, as SSLv3 is dead.
Modified: libmicrohttpd/src/microhttpd/daemon.c
===================================================================
--- libmicrohttpd/src/microhttpd/daemon.c 2015-04-03 17:36:25 UTC (rev
35497)
+++ libmicrohttpd/src/microhttpd/daemon.c 2015-04-04 15:50:15 UTC (rev
35498)
@@ -2224,9 +2224,13 @@
return MHD_NO;
/* If we're at the connection limit, no need to
- accept new connections. */
- if ( (daemon->connections == daemon->connection_limit) &&
- (MHD_INVALID_SOCKET != daemon->socket_fd) )
+ accept new connections; however, make sure
+ we do not miss the shutdown, so only do this
+ optimization if we have a shutdown signaling
+ pipe. */
+ if ( (MHD_INVALID_SOCKET != daemon->socket_fd) &&
+ (daemon->connections == daemon->connection_limit) &&
+ (0 != (daemon->options & MHD_USE_PIPE_FOR_SHUTDOWN)) )
FD_CLR (daemon->socket_fd, &rs);
}
else
@@ -2672,7 +2676,7 @@
while ( (MHD_YES == MHD_accept_connection (daemon)) &&
(daemon->connections < daemon->connection_limit) &&
(series_length < 128) )
- series_length++;
+ series_length++;
}
}
}
Modified: libmicrohttpd/src/testcurl/Makefile.am
===================================================================
--- libmicrohttpd/src/testcurl/Makefile.am 2015-04-03 17:36:25 UTC (rev
35497)
+++ libmicrohttpd/src/testcurl/Makefile.am 2015-04-04 15:50:15 UTC (rev
35498)
@@ -30,6 +30,7 @@
test_get_sendfile \
test_urlparse \
test_put \
+ test_concurrent_stop \
test_process_headers \
test_process_arguments \
test_parse_cookies \
@@ -85,6 +86,12 @@
test_start_stop_LDADD = \
$(top_builddir)/src/microhttpd/libmicrohttpd.la
+test_concurrent_stop_SOURCES = \
+ test_concurrent_stop.c
+test_concurrent_stop_LDADD = \
+ $(top_builddir)/src/microhttpd/libmicrohttpd.la \
+ @LIBCURL@
+
test_options_SOURCES = \
test_options.c
test_options_LDADD = \
@@ -292,4 +299,3 @@
test_timeout_LDADD = \
$(top_builddir)/src/microhttpd/libmicrohttpd.la \
@LIBCURL@
-
Added: libmicrohttpd/src/testcurl/test_concurrent_stop.c
===================================================================
--- libmicrohttpd/src/testcurl/test_concurrent_stop.c
(rev 0)
+++ libmicrohttpd/src/testcurl/test_concurrent_stop.c 2015-04-04 15:50:15 UTC
(rev 35498)
@@ -0,0 +1,228 @@
+/*
+ This file is part of libmicrohttpd
+ Copyright (C) 2007, 2009, 2011, 2015 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 3, 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 test_concurrent_stop.c
+ * @brief test stopping server while concurrent GETs are ongoing
+ * @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>
+#include "gauger.h"
+
+#ifdef CPU_COUNT
+#undef CPU_COUNT
+#endif
+#define CPU_COUNT 40
+
+
+/**
+ * How many rounds of operations do we do for each
+ * test (total number of requests will be ROUNDS * PAR).
+ */
+#define ROUNDS 50000
+
+/**
+ * How many requests do we do in parallel?
+ */
+#define PAR CPU_COUNT
+
+/**
+ * Do we use HTTP 1.1?
+ */
+static int oneone;
+
+/**
+ * Response to return (re-used).
+ */
+static struct MHD_Response *response;
+
+
+static size_t
+copyBuffer (void *ptr,
+ size_t size, size_t nmemb,
+ void *ctx)
+{
+ 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;
+ int ret;
+
+ if (0 != strcmp (me, method))
+ return MHD_NO; /* unexpected method */
+ if (&ptr != *unused)
+ {
+ *unused = &ptr;
+ return MHD_YES;
+ }
+ *unused = NULL;
+ ret = MHD_queue_response (connection,
+ MHD_HTTP_OK,
+ response);
+ if (ret == MHD_NO)
+ abort ();
+ return ret;
+}
+
+
+static pid_t
+do_gets (int port)
+{
+ pid_t ret;
+ CURL *c;
+ CURLcode errornum;
+ unsigned int i;
+ unsigned int j;
+ pid_t par[PAR];
+ char url[64];
+
+ sprintf(url, "http://127.0.0.1:%d/hello_world", port);
+
+ ret = fork ();
+ if (ret == -1) abort ();
+ if (ret != 0)
+ return ret;
+ for (j=0;j<PAR;j++)
+ {
+ par[j] = fork ();
+ if (par[j] == 0)
+ {
+ for (i=0;i<ROUNDS;i++)
+ {
+ c = curl_easy_init ();
+ curl_easy_setopt (c, CURLOPT_URL, url);
+ curl_easy_setopt (c, CURLOPT_WRITEFUNCTION, ©Buffer);
+ curl_easy_setopt (c, CURLOPT_WRITEDATA, NULL);
+ curl_easy_setopt (c, CURLOPT_FAILONERROR, 1);
+ curl_easy_setopt (c, CURLOPT_TIMEOUT, 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);
+ curl_easy_setopt (c, CURLOPT_CONNECTTIMEOUT, 150L);
+ /* NOTE: use of CONNECTTIMEOUT without also
+ setting NOSIGNAL results in really weird
+ crashes on my system! */
+ curl_easy_setopt (c, CURLOPT_NOSIGNAL, 1);
+ if (CURLE_OK != (errornum = curl_easy_perform (c)))
+ {
+ curl_easy_cleanup (c);
+ _exit (1);
+ }
+ curl_easy_cleanup (c);
+ }
+ _exit (0);
+ }
+ }
+ for (j=0;j<PAR;j++)
+ waitpid (par[j], NULL, 0);
+ _exit (0);
+}
+
+
+static void
+join_gets (pid_t pid)
+{
+ int status;
+
+ status = 1;
+ waitpid (pid, &status, 0);
+ if (0 != status)
+ abort ();
+}
+
+
+static int
+testMultithreadedGet (int port, int poll_flag)
+{
+ struct MHD_Daemon *d;
+ pid_t p;
+
+ d = MHD_start_daemon (MHD_USE_THREAD_PER_CONNECTION | MHD_USE_DEBUG |
poll_flag,
+ port, NULL, NULL, &ahc_echo, "GET", MHD_OPTION_END);
+ if (d == NULL)
+ return 16;
+ p = do_gets (port);
+ sleep (1);
+ MHD_stop_daemon (d);
+ join_gets (p);
+ return 0;
+}
+
+
+static int
+testMultithreadedPoolGet (int port, int poll_flag)
+{
+ struct MHD_Daemon *d;
+ pid_t p;
+
+ d = MHD_start_daemon (MHD_USE_SELECT_INTERNALLY | MHD_USE_DEBUG | poll_flag,
+ port,
+ NULL, NULL,
+ &ahc_echo, "GET",
+ MHD_OPTION_THREAD_POOL_SIZE, CPU_COUNT,
+ MHD_OPTION_END);
+ if (d == NULL)
+ return 16;
+ p = do_gets (port);
+ sleep (1);
+ MHD_stop_daemon (d);
+ join_gets (p);
+ return 0;
+}
+
+
+
+int
+main (int argc, char *const *argv)
+{
+ unsigned int errorCount = 0;
+ int port = 1081;
+
+ oneone = NULL != strstr (argv[0], "11");
+ if (0 != curl_global_init (CURL_GLOBAL_WIN32))
+ return 2;
+ response = MHD_create_response_from_buffer (strlen ("/hello_world"),
+ "/hello_world",
+ MHD_RESPMEM_MUST_COPY);
+ // errorCount += testMultithreadedGet (port++, 0);
+ errorCount += testMultithreadedPoolGet (port++, 0);
+ MHD_destroy_response (response);
+ if (errorCount != 0)
+ fprintf (stderr, "Error (code: %u)\n", errorCount);
+ curl_global_cleanup ();
+ return errorCount != 0; /* 0 == pass */
+}
Modified: libmicrohttpd/src/testcurl/test_iplimit.c
===================================================================
--- libmicrohttpd/src/testcurl/test_iplimit.c 2015-04-03 17:36:25 UTC (rev
35497)
+++ libmicrohttpd/src/testcurl/test_iplimit.c 2015-04-04 15:50:15 UTC (rev
35498)
@@ -110,13 +110,16 @@
struct MHD_Daemon *d;
char buf[2048];
int k;
+ unsigned int success;
+ unsigned int failure;
/* Test only valid for HTTP/1.1 (uses persistent connections) */
if (!oneone)
return 0;
d = MHD_start_daemon (MHD_USE_SELECT_INTERNALLY | MHD_USE_DEBUG,
- 1081, NULL, NULL, &ahc_echo, "GET",
+ 1081, NULL, NULL,
+ &ahc_echo, "GET",
MHD_OPTION_PER_IP_CONNECTION_LIMIT, 2,
MHD_OPTION_END);
if (d == NULL)
@@ -128,11 +131,16 @@
CURL *cenv[3];
int i;
+ fprintf (stderr,
+ "Iteration %d\n",
+ k);
+ success = 0;
+ failure = 0;
for (i = 0; i < 3; ++i)
{
CURL *c;
CURLcode errornum;
-
+
cenv[i] = c = curl_easy_init ();
cbc[i].buf = buf;
cbc[i].size = 2048;
@@ -152,32 +160,25 @@
curl_easy_setopt (c, CURLOPT_NOSIGNAL, 1);
errornum = curl_easy_perform (c);
- if ( ( (CURLE_OK != errornum) && (i < 2) ) ||
- ( (CURLE_OK == errornum) && (i == 2) ) )
- {
- int j;
-
- /* First 2 should succeed */
- if (i < 2)
- fprintf (stderr,
- "curl_easy_perform failed: `%s'\n",
- curl_easy_strerror (errornum));
-
- /* Last request should have failed */
- else
- fprintf (stderr,
- "No error on IP address over limit\n");
-
- for (j = 0; j < i; ++j)
- curl_easy_cleanup (cenv[j]);
- MHD_stop_daemon (d);
- return 32;
- }
+ if (CURLE_OK == errornum)
+ success++;
+ else
+ failure++;
}
/* Cleanup the environments */
for (i = 0; i < 3; ++i)
curl_easy_cleanup (cenv[i]);
+ if ( (2 != success) ||
+ (1 != failure) )
+ {
+ fprintf (stderr,
+ "Unexpected number of success (%u) or failure (%u)\n",
+ success,
+ failure);
+ MHD_stop_daemon (d);
+ return 32;
+ }
sleep(2);
@@ -194,8 +195,6 @@
return 128;
}
}
-
-
}
MHD_stop_daemon (d);
return 0;
@@ -226,11 +225,14 @@
CURL *cenv[3];
int i;
+ fprintf (stderr,
+ "Iteration %d\n",
+ k);
for (i = 0; i < 3; ++i)
{
CURL *c;
CURLcode errornum;
-
+
cenv[i] = c = curl_easy_init ();
cbc[i].buf = buf;
cbc[i].size = 2048;
@@ -307,8 +309,8 @@
oneone = NULL != strstr (argv[0], "11");
if (0 != curl_global_init (CURL_GLOBAL_WIN32))
return 2;
- errorCount += testMultithreadedGet ();
- errorCount += testMultithreadedPoolGet ();
+ errorCount |= testMultithreadedGet ();
+ errorCount |= testMultithreadedPoolGet ();
if (errorCount != 0)
fprintf (stderr, "Error (code: %u)\n", errorCount);
curl_global_cleanup ();
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