libmicrohttpd

HTTP/1.x server C library (MHD 1.x, stable)
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commit fa330be735a39d30f4e025c3afdba192e6c2b1bb
parent 19b038f68272a423ae74c89427c8b5dcfc7ce1ae
Author: Evgeny Grin (Karlson2k) <k2k@narod.ru>
Date:   Sun, 25 Oct 2020 00:43:23 +0300

Added tests for cleanup of unprocessed externally added connections

Diffstat:
Msrc/testcurl/.gitignore | 2++
Msrc/testcurl/Makefile.am | 22++++++++++++++++++++++
Msrc/testcurl/test_add_conn.c | 211++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++-----------------
3 files changed, 190 insertions(+), 45 deletions(-)

diff --git a/src/testcurl/.gitignore b/src/testcurl/.gitignore @@ -113,4 +113,6 @@ test_patch test_patch11 /test_add_conn /test_add_conn_nolisten +/test_add_conn_cleanup +/test_add_conn_cleanup_nolisten core diff --git a/src/testcurl/Makefile.am b/src/testcurl/Makefile.am @@ -23,6 +23,8 @@ THREAD_ONLY_TESTS = \ test_long_header11 \ test_iplimit11 \ test_termination \ + test_add_conn_cleanup \ + test_add_conn_cleanup_nolisten \ test_timeout if HAVE_POSIX_THREADS @@ -276,16 +278,36 @@ test_put_chunked_LDADD = \ test_add_conn_SOURCES = \ test_add_conn.c $(top_srcdir)/src/microhttpd/test_helpers.h +test_add_conn_CFLAGS = \ + $(PTHREAD_CFLAGS) $(AM_CFLAGS) test_add_conn_LDADD = \ $(top_builddir)/src/microhttpd/libmicrohttpd.la \ @LIBCURL@ test_add_conn_nolisten_SOURCES = \ test_add_conn.c $(top_srcdir)/src/microhttpd/test_helpers.h +test_add_conn_nolisten_CFLAGS = \ + $(PTHREAD_CFLAGS) $(AM_CFLAGS) test_add_conn_nolisten_LDADD = \ $(top_builddir)/src/microhttpd/libmicrohttpd.la \ @LIBCURL@ +test_add_conn_cleanup_SOURCES = \ + test_add_conn.c $(top_srcdir)/src/microhttpd/test_helpers.h +test_add_conn_cleanup_CFLAGS = \ + $(PTHREAD_CFLAGS) $(AM_CFLAGS) +test_add_conn_cleanup_LDADD = \ + $(top_builddir)/src/microhttpd/libmicrohttpd.la \ + @LIBCURL@ + +test_add_conn_cleanup_nolisten_SOURCES = \ + test_add_conn.c $(top_srcdir)/src/microhttpd/test_helpers.h +test_add_conn_cleanup_nolisten_CFLAGS = \ + $(PTHREAD_CFLAGS) $(AM_CFLAGS) +test_add_conn_cleanup_nolisten_LDADD = \ + $(top_builddir)/src/microhttpd/libmicrohttpd.la \ + @LIBCURL@ + test_get11_SOURCES = \ test_get.c test_get11_LDADD = \ diff --git a/src/testcurl/test_add_conn.c b/src/testcurl/test_add_conn.c @@ -57,6 +57,11 @@ #if ! defined(CPU_COUNT) #define CPU_COUNT 2 #endif +#if CPU_COUNT > 32 +#undef CPU_COUNT +/* Limit to reasonable value */ +#define CPU_COUNT 32 +#endif /* CPU_COUNT > 32 */ /* Could be increased to facilitate debugging */ #define TIMEOUTS_VAL 5 @@ -65,9 +70,16 @@ #define EXPECTED_URI_QUERY "a=%26&b=c" #define EXPECTED_URI_FULL_PATH EXPECTED_URI_BASE_PATH "?" EXPECTED_URI_QUERY -static int oneone; -static int no_listen; -static int global_port; +/* Global parameters */ +static int oneone; /**< Use HTTP/1.1 instead of HTTP/1.0 */ +static int no_listen; /**< Start MHD daemons without listen socket */ +static int global_port; /**< MHD deamons listen port number */ +static int cleanup_test; /**< Test for final cleanup */ +static int slow_reply = 0; /**< Slowdown MHD replies */ +static int ignore_response_errors = 0; /**< Do not fail test if CURL + returns error */ +static int response_timeout_val = TIMEOUTS_VAL; + struct CBC { @@ -165,6 +177,9 @@ ahc_echo (void *cls, NULL == v ? "NULL" : v); _exit (19); } + if (slow_reply) + usleep (200000); + response = MHD_create_response_from_buffer (strlen (url), (void *) url, MHD_RESPMEM_MUST_COPY); @@ -401,8 +416,8 @@ curlEasyInitForTest (const char *queryPath, int port, struct CBC *pcbc) curl_easy_setopt (c, CURLOPT_PORT, (long) port); curl_easy_setopt (c, CURLOPT_WRITEFUNCTION, &copyBuffer); curl_easy_setopt (c, CURLOPT_WRITEDATA, pcbc); - curl_easy_setopt (c, CURLOPT_CONNECTTIMEOUT, (long) TIMEOUTS_VAL); - curl_easy_setopt (c, CURLOPT_TIMEOUT, (long) TIMEOUTS_VAL); + curl_easy_setopt (c, CURLOPT_CONNECTTIMEOUT, (long) response_timeout_val); + curl_easy_setopt (c, CURLOPT_TIMEOUT, (long) response_timeout_val); curl_easy_setopt (c, CURLOPT_FAILONERROR, 1L); if (oneone) curl_easy_setopt (c, CURLOPT_HTTP_VERSION, CURL_HTTP_VERSION_1_1); @@ -434,6 +449,11 @@ doCurlQueryInThread (struct curlQueryParams *p) c = curlEasyInitForTest (p->queryPath, p->queryPort, &cbc); errornum = curl_easy_perform (c); + if (ignore_response_errors) + { + p->queryError = 0; + return p->queryError; + } if (CURLE_OK != errornum) { fprintf (stderr, @@ -511,11 +531,11 @@ performTestQueries (struct MHD_Daemon *d, int d_port) { struct curlQueryParams qParam; struct addConnParam aParam; - int a_port = 0; /* Additional listening socket port */ - int ret = 0; /* Return value */ + int a_port; /* Additional listening socket port */ + int ret = 0; /* Return value */ qParam.queryPath = "http://127.0.0.1" EXPECTED_URI_FULL_PATH; - qParam.queryPort = 0; /* autoassign */ + a_port = 0; /* auto-assign */ aParam.d = d; aParam.lstn_sk = createListeningSocket (&a_port); /* Sets a_port */ @@ -550,6 +570,59 @@ performTestQueries (struct MHD_Daemon *d, int d_port) } +/* Perform test for cleanup and shutdown MHD daemon */ +static int +performTestCleanup (struct MHD_Daemon *d, int num_queries) +{ + struct curlQueryParams *qParamList; + struct addConnParam aParam; + MHD_socket lstn_sk; /* Additional listening socket */ + int a_port; /* Additional listening socket port */ + int i; + int ret = 0; /* Return value */ + + a_port = 0; /* auto-assign */ + + if (0 >= num_queries) + abort (); /* Test's API violation */ + + lstn_sk = createListeningSocket (&a_port); /* Sets a_port */ + + qParamList = malloc (sizeof(struct curlQueryParams) * num_queries); + if (NULL == qParamList) + externalErrorExitDesc ("malloc failed"); + + /* Start CURL queries */ + for (i = 0; i < num_queries; i++) + { + qParamList[i].queryPath = "http://127.0.0.1" EXPECTED_URI_FULL_PATH; + qParamList[i].queryError = 0; + qParamList[i].queryPort = a_port; + + startThreadCurlQuery (qParamList + i); + } + + /* Accept and add required number of client sockets */ + aParam.d = d; + aParam.lstn_sk = lstn_sk; + for (i = 0; i < num_queries; i++) + ret |= doAcceptAndAddConnInThread (&aParam); + + /* Stop daemon while some of new connection are not yet + * processed because of slow response to the first queries. */ + MHD_stop_daemon (d); + (void) MHD_socket_close_ (aParam.lstn_sk); + + /* Wait for CURL threads to complete. */ + /* Ignore soft CURL errors as many connection shouldn't get any response. + * Hard failures are detected in processing function. */ + for (i = 0; i < num_queries; i++) + (void) finishThreadCurlQuery (qParamList + i); + + return ret; +} + + #endif /* HAVE_PTHREAD_H */ enum testMhdThreadsType @@ -578,7 +651,15 @@ startTestMhdDaemon (enum testMhdThreadsType thrType, if ( (0 == *pport) && (MHD_NO == MHD_is_feature_supported (MHD_FEATURE_AUTODETECT_BIND_PORT)) ) - *pport = oneone ? 1550 : 1570; + { + *pport = 1550; + if (oneone) + *pport += 1; + if (no_listen) + *pport += 2; + if (cleanup_test) + *pport += 4; + } if (testMhdThreadInternalPool != thrType) d = MHD_start_daemon (((int) thrType) | ((int) pollType) @@ -656,6 +737,10 @@ testExternalGet (void) cbc_a.size = sizeof(buf_a); cbc_a.pos = 0; + if (cleanup_test) + abort (); /* Not possible with "external poll" as connections are directly + added to the daemon processing in the mode. */ + if (! no_listen) c_d = curlEasyInitForTest ("http://127.0.0.1" EXPECTED_URI_FULL_PATH, d_port, &cbc_d); @@ -828,6 +913,8 @@ testInternalGet (enum testMhdPollType pollType) d = startTestMhdDaemon (testMhdThreadInternal, pollType, &d_port); + if (cleanup_test) + return performTestCleanup (d, 10); return performTestQueries (d, d_port); } @@ -841,6 +928,10 @@ testMultithreadedGet (enum testMhdPollType pollType) d = startTestMhdDaemon (testMhdThreadInternalPerConnection, pollType, &d_port); + if (cleanup_test) + abort (); /* Cannot be tested as main daemon thread cannot be slowed down + by slow responses, so it processes all new connections before + daemon could be stopped. */ return performTestQueries (d, d_port); } @@ -855,6 +946,9 @@ testMultithreadedPoolGet (enum testMhdPollType pollType) d = startTestMhdDaemon (testMhdThreadInternalPool, pollType, &d_port); + if (cleanup_test) + return performTestCleanup (d, 10 * CPU_COUNT); + return performTestQueries (d, d_port); } @@ -930,19 +1024,40 @@ main (int argc, char *const *argv) if ((NULL == argv) || (0 == argv[0])) return 99; oneone = has_in_name (argv[0], "11"); + /* Whether to test MHD daemons without listening socket. */ no_listen = has_in_name (argv[0], "_nolisten"); + /* Whether to test for correct final cleanup instead of + * of test of normal processing. */ + cleanup_test = has_in_name (argv[0], "_cleanup"); + /* There are almost nothing that could be tested externally + * for final cleanup. Cleanup test actually just tests that + * nothing fails or crashes when final cleanup is performed. + * Mostly useful when configured with '--enable-asserts. */ + slow_reply = cleanup_test; + ignore_response_errors = cleanup_test; + if (cleanup_test) + response_timeout_val /= 5; + if (0 == response_timeout_val) + response_timeout_val = 1; +#ifndef HAVE_PTHREAD_H + if (cleanup_test) + return 77; /* Cannot run without threads */ +#endif /* HAVE_PTHREAD_H */ verbose = ! has_param (argc, argv, "-q") || has_param (argc, argv, "--quiet"); if (0 != curl_global_init (CURL_GLOBAL_WIN32)) return 2; /* Could be set to non-zero value to enforce using specific port * in the test */ global_port = 0; - test_result = testExternalGet (); - if (test_result) - fprintf (stderr, "FAILED: testExternalGet () - %u.\n", test_result); - else if (verbose) - printf ("PASSED: testExternalGet ().\n"); - errorCount += test_result; + if (! cleanup_test) + { + test_result = testExternalGet (); + if (test_result) + fprintf (stderr, "FAILED: testExternalGet () - %u.\n", test_result); + else if (verbose) + printf ("PASSED: testExternalGet ().\n"); + errorCount += test_result; + } #ifdef HAVE_PTHREAD_H if (MHD_YES == MHD_is_feature_supported (MHD_FEATURE_THREADS)) { @@ -953,14 +1068,6 @@ main (int argc, char *const *argv) else if (verbose) printf ("PASSED: testInternalGet (testMhdPollBySelect).\n"); errorCount += test_result; - test_result = testMultithreadedGet (testMhdPollBySelect); - if (test_result) - fprintf (stderr, - "FAILED: testMultithreadedGet (testMhdPollBySelect) - %u.\n", - test_result); - else if (verbose) - printf ("PASSED: testMultithreadedGet (testMhdPollBySelect).\n"); - errorCount += test_result; test_result = testMultithreadedPoolGet (testMhdPollBySelect); if (test_result) fprintf (stderr, @@ -969,45 +1076,59 @@ main (int argc, char *const *argv) else if (verbose) printf ("PASSED: testMultithreadedPoolGet (testMhdPollBySelect).\n"); errorCount += test_result; - test_result = testStopRace (testMhdPollBySelect); - if (test_result) - fprintf (stderr, "FAILED: testStopRace (testMhdPollBySelect) - %u.\n", - test_result); - else if (verbose) - printf ("PASSED: testStopRace (testMhdPollBySelect).\n"); - errorCount += test_result; - if (MHD_YES == MHD_is_feature_supported (MHD_FEATURE_POLL)) + if (! cleanup_test) { - test_result = testInternalGet (testMhdPollByPoll); + test_result = testMultithreadedGet (testMhdPollBySelect); if (test_result) - fprintf (stderr, "FAILED: testInternalGet (testMhdPollByPoll) - %u.\n", + fprintf (stderr, + "FAILED: testMultithreadedGet (testMhdPollBySelect) - %u.\n", test_result); else if (verbose) - printf ("PASSED: testInternalGet (testMhdPollByPoll).\n"); + printf ("PASSED: testMultithreadedGet (testMhdPollBySelect).\n"); errorCount += test_result; - test_result = testMultithreadedGet (testMhdPollByPoll); + test_result = testStopRace (testMhdPollBySelect); if (test_result) - fprintf (stderr, - "FAILED: testMultithreadedGet (testMhdPollByPoll) - %u.\n", + fprintf (stderr, "FAILED: testStopRace (testMhdPollBySelect) - %u.\n", test_result); else if (verbose) - printf ("PASSED: testMultithreadedGet (testMhdPollByPoll).\n"); + printf ("PASSED: testStopRace (testMhdPollBySelect).\n"); errorCount += test_result; - test_result = testMultithreadedPoolGet (testMhdPollByPoll); + } + if (MHD_YES == MHD_is_feature_supported (MHD_FEATURE_POLL)) + { + test_result = testInternalGet (testMhdPollByPoll); if (test_result) - fprintf (stderr, - "FAILED: testMultithreadedPoolGet (testMhdPollByPoll) - %u.\n", + fprintf (stderr, "FAILED: testInternalGet (testMhdPollByPoll) - %u.\n", test_result); else if (verbose) - printf ("PASSED: testMultithreadedPoolGet (testMhdPollByPoll).\n"); + printf ("PASSED: testInternalGet (testMhdPollByPoll).\n"); errorCount += test_result; - test_result = testStopRace (testMhdPollByPoll); + test_result = testMultithreadedPoolGet (testMhdPollByPoll); if (test_result) - fprintf (stderr, "FAILED: testStopRace (testMhdPollByPoll) - %u.\n", + fprintf (stderr, + "FAILED: testMultithreadedPoolGet (testMhdPollByPoll) - %u.\n", test_result); else if (verbose) - printf ("PASSED: testStopRace (testMhdPollByPoll).\n"); + printf ("PASSED: testMultithreadedPoolGet (testMhdPollByPoll).\n"); errorCount += test_result; + if (! cleanup_test) + { + test_result = testMultithreadedGet (testMhdPollByPoll); + if (test_result) + fprintf (stderr, + "FAILED: testMultithreadedGet (testMhdPollByPoll) - %u.\n", + test_result); + else if (verbose) + printf ("PASSED: testMultithreadedGet (testMhdPollByPoll).\n"); + errorCount += test_result; + test_result = testStopRace (testMhdPollByPoll); + if (test_result) + fprintf (stderr, "FAILED: testStopRace (testMhdPollByPoll) - %u.\n", + test_result); + else if (verbose) + printf ("PASSED: testStopRace (testMhdPollByPoll).\n"); + errorCount += test_result; + } } if (MHD_YES == MHD_is_feature_supported (MHD_FEATURE_EPOLL)) {