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103 lines
2.9 KiB
103 lines
2.9 KiB
/*
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* Copyright (C) 2010 iptelorg GmbH
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*
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* Permission to use, copy, modify, and distribute this software for any
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* purpose with or without fee is hereby granted, provided that the above
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* copyright notice and this permission notice appear in all copies.
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*
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* THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES
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* WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF
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* MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR
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* ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
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* WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN
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* ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF
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* OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
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*/
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/** k compatible statistics implemented in terms of sr counters.
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* @file kstats_wrapper.h
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* @ingroup: libkcore
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* @author andrei
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*/
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#include "kstats_wrapper.h"
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#ifdef STATISTICS
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/** internal wrapper for kamailio type stat callbacks.
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* sr counter callbacks are different from the kamailio type stat callbacks.
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* This function is meant as a sr counter callback that will call
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* k stat callback passed as parameter.
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* @param h - not used.
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* @param param - k stat callback function pointer (stat_function).
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* @return result of calling the passed k stat_function.
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*/
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static counter_val_t cnt_cbk_wrapper(counter_handle_t h, void* param)
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{
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stat_function k_stat_f;
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k_stat_f = param;
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return k_stat_f();
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}
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int register_stat( char *module, char *name, stat_var **pvar, int flags)
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{
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int cnt_flags;
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counter_handle_t h;
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int ret;
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if (module == 0 || name == 0 || pvar == 0) {
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BUG("invalid parameters (%p, %p, %p)\n", module, name, pvar);
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return -1;
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}
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/* translate kamailio stat flags into sr counter flags */
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cnt_flags = (flags & STAT_NO_RESET) ? CNT_F_NO_RESET : 0;
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if (flags & STAT_IS_FUNC)
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ret = counter_register(&h, module, name, cnt_flags,
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cnt_cbk_wrapper,(stat_function)pvar,
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"kamailio statistic (no description)",
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0);
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else
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ret = counter_register(&h, module, name, cnt_flags, 0, 0,
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"kamailio statistic (no description)", 0);
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if (ret < 0) {
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if (ret == -2)
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ERR("counter %s.%s already registered\n", module, name);
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goto error;
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}
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if (!(flags & STAT_IS_FUNC))
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*pvar = (void*)(unsigned long)h.id;
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return 0;
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error:
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if (!(flags & STAT_IS_FUNC))
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*pvar = 0;
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return -1;
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}
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int register_module_stats(char *module, stat_export_t *stats)
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{
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if (module == 0 || *module == 0) {
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BUG("null or empty module name\n");
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goto error;
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}
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if (stats == 0 || stats[0].name == 0)
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/* empty stats */
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return 0;
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for (; stats->name; stats++)
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if (register_stat(module, stats->name, stats->stat_pointer,
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stats->flags) < 0 ){
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ERR("failed to add statistic %s.%s\n", module, stats->name);
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goto error;
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}
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return 0;
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error:
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return -1;
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}
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#endif /* STATISTICS */
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/* vi: set ts=4 sw=4 tw=79:ai:cindent: */
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