mirror of https://github.com/sipwise/kamailio.git
parent
5b73c336de
commit
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/*
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* Copyright (C) 2010 Daniel-Constantin Mierla (asipto.com)
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*
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* This file is part of Kamailio, a free SIP server.
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*
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* Kamailio is free software; you can redistribute it and/or modify
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* it under the terms of the GNU General Public License as published by
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* the Free Software Foundation; either version 2 of the License, or
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* (at your option) any later version.
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*
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* Kamailio is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License
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* along with this program; if not, write to the Free Software
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* Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
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*
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*/
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/*!
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* \file
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* \brief KEX :: Kamailio private memory pool statistics
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* \ingroup kex
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*/
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#include <stdio.h>
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#include <string.h>
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#include <stdlib.h>
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#include <unistd.h>
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#include "../../dprint.h"
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#include "../../ut.h"
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#include "../../pt.h"
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#include "../../events.h"
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#include "../../mem/mem.h"
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#include "../../mem/shm_mem.h"
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#include "../../rpc.h"
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#include "../../rpc_lookup.h"
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/**
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*
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*/
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typedef struct pkg_proc_stats {
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int rank;
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unsigned int pid;
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unsigned int used;
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unsigned int available;
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unsigned int real_used;
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} pkg_proc_stats_t;
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/**
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*
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*/
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static pkg_proc_stats_t *_pkg_proc_stats_list = NULL;
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/**
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*
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*/
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static int _pkg_proc_stats_no = 0;
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/**
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*
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*/
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int pkg_proc_stats_init(void)
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{
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_pkg_proc_stats_no = get_max_procs();
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if(_pkg_proc_stats_no<=0)
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return -1;
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if(_pkg_proc_stats_list!=NULL)
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return -1;
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_pkg_proc_stats_list = (pkg_proc_stats_t*)shm_malloc(
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_pkg_proc_stats_no*sizeof(pkg_proc_stats_t));
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if(_pkg_proc_stats_list==NULL)
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return -1;
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memset(_pkg_proc_stats_list, 0,
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_pkg_proc_stats_no*sizeof(pkg_proc_stats_t));
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return 0;
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}
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/**
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*
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*/
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int pkg_proc_stats_myinit(int rank)
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{
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struct mem_info info;
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if(_pkg_proc_stats_list==NULL)
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return -1;
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if(process_no>=_pkg_proc_stats_no)
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return -1;
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_pkg_proc_stats_list[process_no].pid = (unsigned int)my_pid();
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_pkg_proc_stats_list[process_no].rank = rank;
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/* init pkg usage values */
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pkg_info(&info);
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_pkg_proc_stats_list[process_no].used = info.used;
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_pkg_proc_stats_list[process_no].real_used = info.real_used;
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return 0;
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}
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/**
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*
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*/
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int pkg_proc_stats_destroy(void)
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{
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if(_pkg_proc_stats_list==NULL)
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return -1;
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shm_free(_pkg_proc_stats_list);
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_pkg_proc_stats_list = 0;
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_pkg_proc_stats_no = 0;
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return 0;
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}
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/**
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*
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*/
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static int pkg_proc_update_used(void *data)
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{
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if(_pkg_proc_stats_list==NULL)
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return -1;
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if(process_no>=_pkg_proc_stats_no)
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return -1;
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_pkg_proc_stats_list[process_no].used = (unsigned int)(long)data;
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return 0;
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}
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/**
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*
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*/
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static int pkg_proc_update_real_used(void *data)
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{
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if(_pkg_proc_stats_list==NULL)
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return -1;
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if(process_no>=_pkg_proc_stats_no)
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return -1;
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_pkg_proc_stats_list[process_no].real_used = (unsigned int)(long)data;
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_pkg_proc_stats_list[process_no].available = pkg_available();
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return 0;
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}
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/**
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*
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*/
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int register_pkg_proc_stats(void)
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{
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sr_event_register_cb(SREV_PKG_SET_USED, pkg_proc_update_used);
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sr_event_register_cb(SREV_PKG_SET_REAL_USED, pkg_proc_update_real_used);
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return 0;
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}
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/**
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*
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*/
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static const char* rpc_pkg_stats_doc[2] = {
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"Private memory (pkg) statistics per process",
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0
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};
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/**
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*
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*/
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int pkg_proc_get_pid_index(unsigned int pid)
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{
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int i;
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for(i=0; i<_pkg_proc_stats_no; i++)
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{
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if(_pkg_proc_stats_list[i].pid == pid)
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return i;
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}
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return -1;
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}
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/**
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*
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*/
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static void rpc_pkg_stats(rpc_t* rpc, void* ctx)
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{
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int i;
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int limit;
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int cval;
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str cname;
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void* th;
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int mode;
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if(_pkg_proc_stats_list==NULL)
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{
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rpc->fault(ctx, 500, "Not initialized");
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return;
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}
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i = 0;
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mode = 0;
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cval = 0;
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limit = _pkg_proc_stats_no;
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if (rpc->scan(ctx, "*S", &cname) == 1)
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{
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if(cname.len==3 && strncmp(cname.s, "pid", 3)==0)
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mode = 1;
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else if(cname.len==4 && strncmp(cname.s, "rank", 4)==0)
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mode = 2;
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else if(cname.len==5 && strncmp(cname.s, "index", 5)==0)
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mode = 3;
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else {
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rpc->fault(ctx, 500, "Invalid filter type");
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return;
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}
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if (rpc->scan(ctx, "d", &cval) < 1)
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{
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rpc->fault(ctx, 500, "One more parameter expected");
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return;
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}
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if(mode==1)
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{
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i = pkg_proc_get_pid_index((unsigned int)cval);
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if(i<0)
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{
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rpc->fault(ctx, 500, "No such pid");
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return;
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}
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limit = i + 1;
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} else if(mode==3) {
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i=cval;
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limit = i + 1;
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}
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}
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for(; i<limit; i++)
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{
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/* add entry node */
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if(mode!=2 || _pkg_proc_stats_list[i].rank==cval)
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{
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if (rpc->add(ctx, "{", &th) < 0)
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{
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rpc->fault(ctx, 500, "Internal error creating rpc");
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return;
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}
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if(rpc->struct_add(th, "dddddd",
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"entry", i,
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"pid", _pkg_proc_stats_list[i].pid,
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"rank", _pkg_proc_stats_list[i].rank,
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"used", _pkg_proc_stats_list[i].used,
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"free", _pkg_proc_stats_list[i].available,
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"real_used", _pkg_proc_stats_list[i].real_used
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)<0)
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{
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rpc->fault(ctx, 500, "Internal error creating rpc");
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return;
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}
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}
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}
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}
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/**
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*
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*/
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rpc_export_t kex_pkg_rpc[] = {
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{"pkg.stats", rpc_pkg_stats, rpc_pkg_stats_doc, 0},
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{0, 0, 0, 0}
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};
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/**
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*
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*/
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int pkg_proc_stats_init_rpc(void)
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{
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if (rpc_register_array(kex_pkg_rpc)!=0)
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{
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LM_ERR("failed to register RPC commands\n");
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return -1;
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}
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return 0;
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}
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@ -0,0 +1,38 @@
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/*
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* Copyright (C) 2010 Daniel-Constantin Mierla (asipto.com)
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*
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* This file is part of Kamailio, a free SIP server.
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*
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* Kamailio is free software; you can redistribute it and/or modify
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* it under the terms of the GNU General Public License as published by
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* the Free Software Foundation; either version 2 of the License, or
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* (at your option) any later version.
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*
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* Kamailio is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License
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* along with this program; if not, write to the Free Software
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* Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
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*
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*/
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/*!
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* \file
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* \brief KEX :: Kamailio private memory pool statistics
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* \ingroup kex
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*/
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#ifndef _PKG_STATS_H_
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#define _PKG_STATS_H_
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int pkg_proc_stats_init(void);
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int pkg_proc_stats_myinit(int rank);
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int pkg_proc_stats_destroy(void);
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int register_pkg_proc_stats(void);
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int pkg_proc_stats_init_rpc(void);
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#endif /*_PKG_STATS_H_*/
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Reference in new issue