From: Sree Harsha Totakura Date: Tue, 15 May 2012 13:09:51 +0000 (+0000) Subject: server crash test case X-Git-Tag: initial-import-from-subversion-38251~13482 X-Git-Url: https://git.librecmc.org/?a=commitdiff_plain;h=896f08906416a09cceab7447265fbe54dc883156;p=oweals%2Fgnunet.git server crash test case --- diff --git a/src/lockmanager/Makefile.am b/src/lockmanager/Makefile.am index ee6f816f1..0fbc20b0f 100644 --- a/src/lockmanager/Makefile.am +++ b/src/lockmanager/Makefile.am @@ -39,7 +39,8 @@ libgnunetlockmanager_la_LDFLAGS = \ check_PROGRAMS = \ test-lockmanager-api \ - test-lockmanager-api-lockrelease + test-lockmanager-api-lockrelease \ + test-lockmanager-api-servercrash EXTRA_DIST = \ test_lockmanager_api.conf @@ -57,5 +58,11 @@ test_lockmanager_api_LDADD = \ test_lockmanager_api_lockrelease_SOURCES = \ test_lockmanager_api_lockrelease.c test_lockmanager_api_lockrelease_LDADD = \ + $(top_builddir)/src/util/libgnunetutil.la \ + libgnunetlockmanager.la + +test_lockmanager_api_servercrash_SOURCES = \ + test_lockmanager_api_servercrash.c +test_lockmanager_api_servercrash_LDADD = \ $(top_builddir)/src/util/libgnunetutil.la \ libgnunetlockmanager.la \ No newline at end of file diff --git a/src/lockmanager/lockmanager_api.c b/src/lockmanager/lockmanager_api.c index 53f5365e4..b25904d7b 100644 --- a/src/lockmanager/lockmanager_api.c +++ b/src/lockmanager/lockmanager_api.c @@ -214,7 +214,7 @@ call_status_cb_task (void *cls, const struct GNUNET_SCHEDULER_TaskContext *tc) if (NULL != r->status_cb) { LOG (GNUNET_ERROR_TYPE_DEBUG, - "Calling status change callback for lock: %d in domain: %s\n", + "Calling status change for SUCCESS on lock num: %d, domain: %s\n", r->lock, r->domain); r->status_cb (r->status_cb_cls, r->domain, @@ -224,6 +224,44 @@ call_status_cb_task (void *cls, const struct GNUNET_SCHEDULER_TaskContext *tc) } +/** + * Iterator to call relase and free all LockingRequest entries + * + * @param cls the lockmanager handle + * @param key current key code + * @param value the Locking request + * @return GNUNET_YES if we should continue to + * iterate, + * GNUNET_NO if not. + */ +static int +release_iterator(void *cls, + const GNUNET_HashCode * key, + void *value) +{ + struct GNUNET_LOCKMANAGER_Handle *h = cls; + struct GNUNET_LOCKMANAGER_LockingRequest *r = value; + + if (NULL != r->status_cb) + { + LOG (GNUNET_ERROR_TYPE_DEBUG, + "Calling status change for RELEASE on lock num: %d, domain: %s\n", + r->lock, r->domain); + r->status_cb (r->status_cb_cls, + r->domain, + r->lock, + GNUNET_LOCKMANAGER_RELEASE); + } + GNUNET_assert (GNUNET_YES == + GNUNET_CONTAINER_multihashmap_remove (h->hashmap, + key, + value)); + GNUNET_free (r->domain); + GNUNET_free (r); + return GNUNET_YES; +} + + /** * Handler for server replies * @@ -246,6 +284,10 @@ handle_replies (void *cls, { LOG (GNUNET_ERROR_TYPE_DEBUG, "Lockmanager service not available or went down\n"); + /* Should release all locks and free its locking requests */ + GNUNET_CONTAINER_multihashmap_iterate (handle->hashmap, + &release_iterator, + handle); return; } if (GNUNET_MESSAGE_TYPE_LOCKMANAGER_SUCCESS != ntohs(msg->type)) @@ -327,7 +369,7 @@ transmit_notify (void *cls, size_t size, void *buf) /** * Iterator to free hash map entries. * - * @param cls NULL + * @param cls the lockmanger handle * @param key current key code * @param value the Locking request * @return GNUNET_YES if we should continue to @@ -339,10 +381,15 @@ free_iterator(void *cls, const GNUNET_HashCode * key, void *value) { + struct GNUNET_LOCKMANAGER_Handle *h = cls; struct GNUNET_LOCKMANAGER_LockingRequest *r = value; LOG (GNUNET_ERROR_TYPE_DEBUG, "Clearing locking request\n"); + GNUNET_assert (GNUNET_YES == + GNUNET_CONTAINER_multihashmap_remove (h->hashmap, + key, + value)); GNUNET_free (r->domain); GNUNET_free (r); return GNUNET_YES; @@ -404,7 +451,7 @@ GNUNET_LOCKMANAGER_disconnect (struct GNUNET_LOCKMANAGER_Handle *handle) "calling %s\n", __func__); GNUNET_CONTAINER_multihashmap_iterate (handle->hashmap, &free_iterator, - NULL); + handle); } GNUNET_CONTAINER_multihashmap_destroy (handle->hashmap); GNUNET_free (handle); diff --git a/src/lockmanager/test_lockmanager_api_servercrash.c b/src/lockmanager/test_lockmanager_api_servercrash.c new file mode 100644 index 000000000..769e044e0 --- /dev/null +++ b/src/lockmanager/test_lockmanager_api_servercrash.c @@ -0,0 +1,327 @@ +/* + This file is part of GNUnet. + (C) 2012 Christian Grothoff (and other contributing authors) + + GNUnet 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. + + GNUnet 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 GNUnet; see the file COPYING. If not, write to the + Free Software Foundation, Inc., 59 Temple Place - Suite 330, + Boston, MA 02111-1307, USA. +*/ + +/** + * @file lockmanager/test_lockmanager_api_lockrelease.c + * @brief Test cases for lockmanager_api where client disconnects abruptly + * @author Sree Harsha Totakura + */ + +#include "platform.h" +#include "gnunet_util_lib.h" +#include "gnunet_lockmanager_service.h" + +#define VERBOSE GNUNET_YES + +#define VERBOSE_ARM 1 + +#define LOG(kind,...) \ + GNUNET_log (kind, __VA_ARGS__) + +#define TIME_REL_SECONDS(min) \ + GNUNET_TIME_relative_multiply (GNUNET_TIME_UNIT_SECONDS, min) + +/** + * Various steps of the test + */ +enum Test + { + /** + * Signal test failure + */ + TEST_FAIL, + + /** + * Testing just began + */ + TEST_INIT, + + /** + * Client 1 has got the lock successfully; Client 2 should try to acquire + * the lock now; after some time client 1 has to release the lock + */ + TEST_CLIENT1_LOCK_SUCCESS, + + /** + * Client 2 has got the lock; Server should crash now; + */ + TEST_CLIENT2_LOCK_SUCCESS, + + /** + * Client 2 should get lock release due to server crash; Should call + * shutdown now + */ + TEST_CLIENT2_SERVER_CRASH_SUCCESS + }; + +/** + * The testing result + */ +static enum Test result; + +/** + * The process id of the GNUNET ARM process + */ +static struct GNUNET_OS_Process *arm_pid = NULL; + +/** + * Configuration Handle + */ +static struct GNUNET_CONFIGURATION_Handle *config; + +/** + * The handle to the lockmanager service + */ +static struct GNUNET_LOCKMANAGER_Handle *handle; + +/** + * A second client handle to the lockmanager service + */ +static struct GNUNET_LOCKMANAGER_Handle *handle2; + +/** + * The locking request + */ +static struct GNUNET_LOCKMANAGER_LockingRequest *request; + +/** + * The locking request of second client + */ +static struct GNUNET_LOCKMANAGER_LockingRequest *request2; + +/** + * Abort task identifier + */ +static GNUNET_SCHEDULER_TaskIdentifier abort_task_id; + + +/** + * Shutdown nicely + * + * @param cls + * @param tc the task context + */ +static void +do_shutdown (void *cls, const const struct GNUNET_SCHEDULER_TaskContext *tc) +{ + if (GNUNET_SCHEDULER_NO_TASK != abort_task_id) + { + GNUNET_SCHEDULER_cancel (abort_task_id); + abort_task_id = GNUNET_SCHEDULER_NO_TASK; + } + if (NULL != handle) + GNUNET_LOCKMANAGER_disconnect (handle); + if (NULL != handle2) + GNUNET_LOCKMANAGER_disconnect (handle2); + if (NULL != arm_pid) + { + if (0 != GNUNET_OS_process_kill (arm_pid, SIGTERM)) + { + LOG (GNUNET_ERROR_TYPE_DEBUG, + "Kill gnunet-service-arm manually\n"); + } + GNUNET_OS_process_wait (arm_pid); + GNUNET_OS_process_destroy (arm_pid); + } + if (NULL != config) + GNUNET_CONFIGURATION_destroy (config); +} + + +/** + * Abort + * + * @param cls + * @param tc the task context + */ +static void +do_abort (void *cls, const const struct GNUNET_SCHEDULER_TaskContext *tc) +{ + LOG (GNUNET_ERROR_TYPE_DEBUG, "Aborting test...\n"); + abort_task_id = GNUNET_SCHEDULER_NO_TASK; + result = TEST_FAIL; + do_shutdown (cls, tc); +} + + +/** + * Callback for lock status changes + * + * @param cls the handle + * + * @param domain_name the locking domain of the lock + * + * @param lock the lock for which this status is relevant + * + * @param status GNUNET_LOCKMANAGER_SUCCESS if the lock has been successfully + * acquired; GNUNET_LOCKMANAGER_RELEASE when the acquired lock is lost + */ +static void +status_cb (void *cls, + const char *domain_name, + uint32_t lock, + enum GNUNET_LOCKMANAGER_Status status) +{ + LOG (GNUNET_ERROR_TYPE_DEBUG, + "Status change callback called on lock: %d of domain: %s\n", + lock, domain_name); + GNUNET_assert (GNUNET_LOCKMANAGER_SUCCESS == status); + switch (result) + { + case TEST_INIT: + GNUNET_assert (handle == cls); + GNUNET_assert (GNUNET_LOCKMANAGER_SUCCESS == status); + result = TEST_CLIENT1_LOCK_SUCCESS; + request2 = GNUNET_LOCKMANAGER_acquire_lock (handle2, + "GNUNET_LOCKMANAGER_TESTING", + 99, + &status_cb, + handle2); + GNUNET_assert (NULL != request2); + GNUNET_LOCKMANAGER_cancel_request (request); + request = NULL; + break; + case TEST_CLIENT1_LOCK_SUCCESS: + GNUNET_assert (handle2 == cls); + GNUNET_assert (GNUNET_LOCKMANAGER_SUCCESS == status); + result = TEST_CLIENT2_LOCK_SUCCESS; + /* We should kill the lockmanager process */ + if (0 != GNUNET_OS_process_kill (arm_pid, SIGTERM)) + { + LOG (GNUNET_ERROR_TYPE_DEBUG, + "Kill gnunet-service-arm manually\n"); + } + GNUNET_OS_process_wait (arm_pid); + GNUNET_OS_process_destroy (arm_pid); + arm_pid =NULL; + break; + case TEST_CLIENT2_LOCK_SUCCESS: + GNUNET_assert (handle2 == cls); + GNUNET_assert (GNUNET_LOCKMANAGER_RELEASE == status); + GNUNET_assert (99 == lock); + GNUNET_assert (0 == strcmp (domain_name, "GNUNET_LOCKMANAGER_TESTING")); + result = TEST_CLIENT2_SERVER_CRASH_SUCCESS; + GNUNET_SCHEDULER_add_delayed (TIME_REL_SECONDS (1), + &do_shutdown, + NULL); + break; + default: + GNUNET_assert (0); /* We should never reach here */ + } + +} + + +/** + * Testing function + * + * @param cls NULL + * @param tc the task context + */ +static void +test (void *cls, const struct GNUNET_SCHEDULER_TaskContext *tc) +{ + result = TEST_INIT; + handle = GNUNET_LOCKMANAGER_connect (config); + GNUNET_assert (NULL != handle); + handle2 = GNUNET_LOCKMANAGER_connect (config); + + request = GNUNET_LOCKMANAGER_acquire_lock (handle, + "GNUNET_LOCKMANAGER_TESTING", + 99, + &status_cb, + handle); + GNUNET_assert (NULL != request); + abort_task_id = GNUNET_SCHEDULER_add_delayed (TIME_REL_SECONDS (60), + &do_abort, + NULL); +} + + +/** + * Main point of test execution + */ +static void +run (void *cls, char *const *args, const char *cfgfile, + const struct GNUNET_CONFIGURATION_Handle *cfg) +{ + LOG (GNUNET_ERROR_TYPE_DEBUG, "Starting test...\n"); + config = GNUNET_CONFIGURATION_dup (cfg); + arm_pid = + GNUNET_OS_start_process (GNUNET_YES, NULL, NULL, "gnunet-service-arm", + "gnunet-service-arm", +#if VERBOSE_ARM + "-L", "DEBUG", +#endif + "-c", "test_lockmanager_api.conf", NULL); + + GNUNET_assert (NULL != arm_pid); + GNUNET_SCHEDULER_add_delayed (TIME_REL_SECONDS (1), + &test, + NULL); +} + + +/** + * Main function + */ +int main (int argc, char **argv) +{ + int ret; + + char *const argv2[] = { "test-lockmanager-api-servercrash", + "-c", "test_lockmanager_api.conf", +#if VERBOSE + "-L", "DEBUG", +#endif + NULL + }; + + struct GNUNET_GETOPT_CommandLineOption options[] = { + GNUNET_GETOPT_OPTION_END + }; + + GNUNET_log_setup ("test-lockmanager-api-servercrash", +#if VERBOSE + "DEBUG", +#else + "WARNING", +#endif + NULL); + + ret = + GNUNET_PROGRAM_run ((sizeof (argv2) / sizeof (char *)) - 1, argv2, + "test-lockmanager-api-servercrash", + "nohelp", options, &run, NULL); + + if (GNUNET_OK != ret) + { + LOG (GNUNET_ERROR_TYPE_WARNING, "run failed with error code %d\n", + ret); + return 1; + } + if (TEST_CLIENT2_LOCK_SUCCESS != result) + { + LOG (GNUNET_ERROR_TYPE_WARNING, "test failed\n"); + return 1; + } + LOG (GNUNET_ERROR_TYPE_INFO, "test OK\n"); + return 0; +}