From f8247040e6231c4b3b5099ea3a526348b7941566 Mon Sep 17 00:00:00 2001 From: russell Date: Sat, 19 Jan 2008 00:19:29 +0000 Subject: Creating tag for the release of asterisk-1.6.0-beta1 git-svn-id: http://svn.digium.com/svn/asterisk/tags/1.6.0-beta1@99163 f38db490-d61c-443f-a65b-d21fe96a405b --- trunk/utils/hashtest.c | 364 +++++++++++++++++++++++++++++++++++++++++++++++++ 1 file changed, 364 insertions(+) create mode 100644 trunk/utils/hashtest.c (limited to 'trunk/utils/hashtest.c') diff --git a/trunk/utils/hashtest.c b/trunk/utils/hashtest.c new file mode 100644 index 000000000..e1780791f --- /dev/null +++ b/trunk/utils/hashtest.c @@ -0,0 +1,364 @@ +/* + * Asterisk -- An open source telephony toolkit. + * + * Copyright (C) 2007, Steve Murphy + * + * Steve Murphy + * + * See http://www.asterisk.org for more information about + * the Asterisk project. Please do not directly contact + * any of the maintainers of this project for assistance; + * the project provides a web site, mailing lists and IRC + * channels for your use. + * + * This program is free software, distributed under the terms of + * the GNU General Public License Version 2. See the LICENSE file + * at the top of the source tree. + */ +/*! \file + * + * \brief A program to thoroughly thrash a hash table, testing + * out locking safety, and making sure all functionality + * is functioning. Run with 5 or more threads to get that + * fully intense firestorm of activity. If your + * hash tables don't crash, lock up, or go weird, it must + * be good code! Even features some global counters + * that will get slightly behind because they aren't lock-protected. + * + * \author Steve Murphy + */ + +#include "asterisk.h" +ASTERISK_FILE_VERSION(__FILE__, "$Revision$") + +#include +#include +#include +#include +#include "asterisk/lock.h" +#include "asterisk/hashtab.h" +#include "asterisk/channel.h" +#include "asterisk/utils.h" +#include "asterisk/module.h" +int testno = 1; + +/* stuff we need to make this work with the hashtab stuff */ + +int64_t ast_mark(int prof_id, int x) +{ + return 0; +} + +struct ht_element +{ + char *key; + char *val; +}; + +static int hashtab_compare_strings_nocase(const void *a, const void *b) +{ + const struct ht_element *ae = a, *be = b; + return ast_hashtab_compare_strings_nocase(ae->key, be->key); +} + +#if 0 +static int hashtab_compare_strings(const void *a, const void *b) +{ + const struct ht_element *ae = a, *be = b; + return ast_hashtab_compare_strings(ae->key, be->key); +} + +static unsigned int hashtab_hash_string(const void *obj) +{ + const struct ht_element *o = obj; + return ast_hashtab_hash_string((const void *)o->key); +} +#endif + +static unsigned int hashtab_hash_string_nocase(const void *obj) +{ + const struct ht_element *o = obj; + return ast_hashtab_hash_string_nocase((const void*)o->key); +} + +/* random numbers */ + +static int my_rand(int incl_low, int incl_high, unsigned int *seedp) +{ + if (incl_high == 0) + return 0; + + return incl_low + (rand_r(seedp) % incl_high); +} + + + + +/* the testing routines */ + +static int glob_highwater = 0; +struct ast_hashtab *glob_hashtab = 0; +unsigned int glob_seed = 0; +int els_removed = 0; +int els_added = 0; +int els_lookedup = 0; +int els_found = 0; +int els_traversals = 0; + +/* all the operations to perform on the hashtab */ + +static void add_element(void) +{ + char keybuf[100]; + struct ht_element *x = malloc(sizeof(struct ht_element)); + sprintf(keybuf,"key%08d", glob_highwater++); + x->key = strdup(keybuf); + x->val = strdup("interesting data"); + ast_hashtab_insert_immediate(glob_hashtab, x); + els_added++; +} + +static void traverse_elements(void) +{ + struct ht_element *el; + int c=0; + struct ast_hashtab_iter *it = ast_hashtab_start_write_traversal(glob_hashtab); +#ifdef DEBUG + printf("Traverse hashtab\n"); +#endif + while ((el = ast_hashtab_next(it))) { + c++; + } + ast_hashtab_end_traversal(it); + els_traversals++; /* unprotected, sometimes off, but, not really important, either */ +} + +static void * del_element(unsigned int *seedp) +{ + char keybuf[100]; + struct ht_element *el, lookup; + int x; + + /* pick a random element from 0 to highwater-1 */ + x = my_rand(0,glob_highwater-1,seedp); + sprintf(keybuf, "key%08d", x); +#ifdef DEBUG + printf("Removing %s", keybuf); +#endif + lookup.key = keybuf; + el = ast_hashtab_remove_object_via_lookup(glob_hashtab, &lookup); + + if (el) { +#ifdef DEBUG + printf("...YES (el=%x)\n", (unsigned long)el); +#endif + free(el->key); + free(el->val); + free(el); + els_removed++; + } else { +#ifdef DEBUG + printf("...NO.\n"); +#endif + return 0; + } + + + return el; +} + +static int lookup_element(unsigned int *seedp) +{ + char keybuf[100]; + struct ht_element *el, lookup; + int x; + + /* pick a random element from 0 to highwater-1 */ + x = my_rand(0,glob_highwater-1,seedp); + sprintf(keybuf, "key%08d", x); + lookup.key = keybuf; + el = ast_hashtab_lookup(glob_hashtab, &lookup); + els_lookedup++; + if (el) + els_found++; + if (el) + return 1; + return 0; +} + + +static void *hashtest(void *data) +{ + int my_els_removed = 0; + int my_els_added = 0; + int my_els_lookedup = 0; + int my_els_found = 0; + int my_els_traversals = 0; + int my_testno = testno++; + int its; + + /* data will be a random number == use as a seed for random numbers */ + unsigned long seed = (unsigned long)data; + + printf("hashtest thread created... test beginning\n"); + + /* main test routine-- a global hashtab exists, pound it like crazy */ + for(its=0;its<100000;its++) + { + void *seed2 = &seed; + int op = my_rand(0,100, seed2); + if (op<60) { + my_els_lookedup++; +#ifdef DEBUG + printf("%d[%d]: LOOKUP\n", my_testno, its); +#endif + if ((my_els_lookedup%1000)==0) { + printf("."); + fflush(stdout); + } + if (lookup_element(seed2)) + my_els_found++; + } else if (op < 61) { /* make this 61 and it'll take 15 minutes to run */ +#ifdef DEBUG + printf("%d[%d]: TRAVERSE\n", my_testno, its); +#endif + traverse_elements(); + my_els_traversals++; + + } else if (op < 80) { +#ifdef DEBUG + printf("%d[%d]: REMOVE\n", my_testno, its); +#endif + if (del_element(seed2)) + my_els_removed++; + } else { + my_els_added++; +#ifdef DEBUG + printf("%d[%d]: ADD\n", my_testno, its); +#endif + add_element(); + } + } + printf("\nhashtest thread %d exiting.... lookups=%d/%d, added=%d, removed=%d, traversals=%d;\n", + my_testno, my_els_found, my_els_lookedup, my_els_added, my_els_removed, my_els_traversals); + printf("\ntotals..................... lookups=%d/%d, added=%d, removed=%d, traversals=%d;\n", + els_found, els_lookedup, els_added, els_removed,els_traversals); + pthread_exit(0); +} + +static void run_hashtest(int numthr) +{ + pthread_t thr[numthr]; + void *thrres[numthr]; + int i, biggest, resize_cnt, numobjs, numbuckets; + + /* init a single global hashtab, then... */ + glob_hashtab = ast_hashtab_create(180000, hashtab_compare_strings_nocase, ast_hashtab_resize_java, ast_hashtab_newsize_java, hashtab_hash_string_nocase, 1); + printf("starting with %d elements in the hashtable...\n", ast_hashtab_capacity(glob_hashtab)); + /* set a random seed */ + glob_seed = (unsigned int)time(0); + srand(glob_seed); + + /* create threads, each running hashtest */ + for(i=0;i 2 || atoi(argv[1]) < 1) + { + printf("Usage: hashtest \n"); + exit(1); + } + + /* one arg == number of threads to create */ + run_hashtest(atoi(argv[1])); + + return 0; +} + +int ast_add_profile(const char *x, uint64_t scale) +{ + return 0; +} + +int ast_loader_register(int (*updater)(void)) +{ + return 1; +} + +int ast_loader_unregister(int (*updater)(void)) +{ + return 1; +} +void ast_module_register(const struct ast_module_info *x) +{ +} + +void ast_module_unregister(const struct ast_module_info *x) +{ +} + + +void ast_register_file_version(const char *file, const char *version) +{ +} + +void ast_unregister_file_version(const char *file) +{ + +} + +void ast_log(int level, const char *file, int line, const char *function, const char *fmt, ...) +{ + va_list vars; + va_start(vars,fmt); + printf("LOG: lev:%d file:%s line:%d func: %s ", + level, file, line, function); + vprintf(fmt, vars); + fflush(stdout); + va_end(vars); +} + +void ast_verbose(const char *fmt, ...) +{ + va_list vars; + va_start(vars,fmt); + + printf("VERBOSE: "); + vprintf(fmt, vars); + fflush(stdout); + va_end(vars); +} + +void ast_register_thread(char *name) +{ + +} + +void ast_unregister_thread(void *id) +{ +} -- cgit v1.2.3