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/* |
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* i-scream central monitoring system |
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* http://www.i-scream.org.uk |
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* Copyright (C) 2000-2002 i-scream |
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* |
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* This program is free software; you can redistribute it and/or |
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* modify it under the terms of the GNU General Public License |
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* as published by the Free Software Foundation; either version 2 |
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* of the License, or (at your option) any later version. |
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* |
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* This program 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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#ifdef HAVE_CONFIG_H |
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#include "config.h" |
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#endif |
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|
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#include <stdio.h> |
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#include <stdlib.h> |
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#include "statgrab.h" |
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#ifdef SOLARIS |
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#include <kstat.h> |
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#include <sys/sysinfo.h> |
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#include <string.h> |
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#endif |
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|
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static network_stat_t *network_stats=NULL; |
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static int interfaces=0; |
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|
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void network_stat_init(int start, int end, network_stat_t *net_stats){ |
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|
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for(net_stats+=start; start<end; start++){ |
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net_stats->interface_name=NULL; |
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net_stats->tx=0; |
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net_stats->rx=0; |
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net_stats++; |
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} |
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} |
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|
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network_stat_t *network_stat_malloc(int needed_entries, int *cur_entries, network_stat_t *net_stats){ |
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|
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if(net_stats==NULL){ |
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|
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if((net_stats=malloc(needed_entries * sizeof(network_stat_t)))==NULL){ |
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return NULL; |
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} |
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network_stat_init(0, needed_entries, net_stats); |
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*cur_entries=needed_entries; |
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|
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return net_stats; |
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} |
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|
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|
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if(*cur_entries<needed_entries){ |
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net_stats=realloc(net_stats, (sizeof(network_stat_t)*needed_entries)); |
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if(net_stats==NULL){ |
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return NULL; |
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} |
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network_stat_init(*cur_entries, needed_entries, net_stats); |
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*cur_entries=needed_entries; |
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} |
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|
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return net_stats; |
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} |
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|
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|
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network_stat_t *get_network_stats(int *entries){ |
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kstat_ctl_t *kc; |
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kstat_t *ksp; |
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kstat_named_t *knp; |
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|
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static int sizeof_network_stats=0; |
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|
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network_stat_t *network_stat_ptr; |
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|
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if ((kc = kstat_open()) == NULL) { |
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return NULL; |
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} |
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|
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interfaces=0; |
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|
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for (ksp = kc->kc_chain; ksp; ksp = ksp->ks_next) { |
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if (!strcmp(ksp->ks_class, "net")) { |
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kstat_read(kc, ksp, NULL); |
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|
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if((knp=kstat_data_lookup(ksp, "rbytes64"))==NULL){ |
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/* Not a network interface, so skip to the next entry */ |
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continue; |
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} |
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|
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network_stats=network_stat_malloc((interfaces+1), &sizeof_network_stats, network_stats); |
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if(network_stats==NULL){ |
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return NULL; |
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} |
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network_stat_ptr=network_stats+interfaces; |
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network_stat_ptr->rx=knp->value.ui64; |
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|
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if((knp=kstat_data_lookup(ksp, "obytes64"))==NULL){ |
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/* Not a network interface, so skip to the next entry */ |
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continue; |
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} |
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network_stat_ptr->tx=knp->value.ui64; |
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if(network_stat_ptr->interface_name!=NULL){ |
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free(network_stat_ptr->interface_name); |
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} |
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network_stat_ptr->interface_name=strdup(ksp->ks_name); |
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|
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network_stat_ptr->systime=time(NULL); |
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interfaces++; |
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} |
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} |
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|
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kstat_close(kc); |
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|
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*entries=interfaces; |
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|
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return network_stats; |
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} |
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|
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network_stat_t *get_network_stats_diff(int *entries){ |
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static network_stat_t *network_stats_diff=NULL; |
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static int sizeof_net_stats_diff=0; |
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network_stat_t *network_stats_ptr, *network_stats_diff_ptr; |
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int ifaces, x, y; |
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|
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if(network_stats==NULL){ |
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network_stats_ptr=get_network_stats(&ifaces); |
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*entries=ifaces; |
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return network_stats_ptr; |
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} |
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|
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network_stats_diff=network_stat_malloc(interfaces, &sizeof_net_stats_diff, network_stats_diff); |
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if(network_stats_diff==NULL){ |
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return NULL; |
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} |
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|
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network_stats_ptr=network_stats; |
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network_stats_diff_ptr=network_stats_diff; |
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|
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for(ifaces=0;ifaces<interfaces;ifaces++){ |
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if(network_stats_diff_ptr->interface_name!=NULL){ |
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free(network_stats_diff_ptr->interface_name); |
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} |
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network_stats_diff_ptr->interface_name=strdup(network_stats_ptr->interface_name); |
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network_stats_diff_ptr->tx=network_stats_ptr->tx; |
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network_stats_diff_ptr->rx=network_stats_ptr->rx; |
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network_stats_diff_ptr->systime=network_stats->systime; |
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|
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network_stats_ptr++; |
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network_stats_diff_ptr++; |
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} |
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network_stats_ptr=get_network_stats(&ifaces); |
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network_stats_diff_ptr=network_stats_diff; |
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|
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for(x=0;x<sizeof_net_stats_diff;x++){ |
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|
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if((strcmp(network_stats_diff_ptr->interface_name, network_stats_ptr->interface_name))==0){ |
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network_stats_diff_ptr->tx = network_stats_ptr->tx - network_stats_diff_ptr->tx; |
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network_stats_diff_ptr->rx = network_stats_ptr->rx - network_stats_diff_ptr->rx; |
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network_stats_diff_ptr->systime = network_stats_ptr->systime - network_stats_diff_ptr->systime; |
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}else{ |
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|
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network_stats_ptr=network_stats; |
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for(y=0;y<ifaces;y++){ |
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if((strcmp(network_stats_diff_ptr->interface_name, network_stats_ptr->interface_name))==0){ |
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network_stats_diff_ptr->tx = network_stats_ptr->tx - network_stats_diff_ptr->tx; |
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network_stats_diff_ptr->rx = network_stats_ptr->rx - network_stats_diff_ptr->rx; |
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network_stats_diff_ptr->systime = network_stats_ptr->systime - network_stats_diff_ptr->systime; |
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break; |
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} |
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|
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network_stats_ptr++; |
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} |
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} |
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|
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network_stats_ptr++; |
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network_stats_diff_ptr++; |
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} |
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|
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return network_stats_diff; |
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} |
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|
