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Comparing projects/libstatgrab/src/libstatgrab/network_stats.c (file contents):
Revision 1.4 by tdb, Fri Feb 28 22:59:35 2003 UTC vs.
Revision 1.23 by tdb, Mon Jan 19 16:49:21 2004 UTC

#	Line 1 | Line 1
1	<	/*
1	>	/*
2		* i-scream central monitoring system
3	<	* http://www.i-scream.org.uk
4	<	* Copyright (C) 2000-2002 i-scream
3	>	* http://www.i-scream.org
4	>	* Copyright (C) 2000-2004 i-scream
5		*
6	<	* This program is free software; you can redistribute it and/or
7	<	* modify it under the terms of the GNU General Public License
8	<	* as published by the Free Software Foundation; either version 2
9	<	* of the License, or (at your option) any later version.
6	>	* This library is free software; you can redistribute it and/or
7	>	* modify it under the terms of the GNU Lesser General Public
8	>	* License as published by the Free Software Foundation; either
9	>	* version 2.1 of the License, or (at your option) any later version.
10		*
11	<	* This program is distributed in the hope that it will be useful,
11	>	* This library is distributed in the hope that it will be useful,
12		* but WITHOUT ANY WARRANTY; without even the implied warranty of
13	<	* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
14	<	* GNU General Public License for more details.
13	>	* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
14	>	* Lesser General Public License for more details.
15		*
16	<	* You should have received a copy of the GNU General Public License
17	<	* along with this program; if not, write to the Free Software
18	<	* Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA  02111-1307, USA.
16	>	* You should have received a copy of the GNU Lesser General Public
17	>	* License along with this library; if not, write to the Free Software
18	>	* Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA
19	>	* 02111-1307 USA
20	>	*
21	>	* $Id$
22		*/
23
24		#ifdef HAVE_CONFIG_H
25		#include "config.h"
26		#endif
27
25	–	#include <stdio.h>
28		#include <stdlib.h>
29	+	#include <string.h>
30		#include "statgrab.h"
31	+	#include <time.h>
32		#ifdef SOLARIS
33		#include <kstat.h>
34		#include <sys/sysinfo.h>
31	–	#include <string.h>
35		#endif
36	+	#ifdef LINUX
37	+	#include <stdio.h>
38	+	#include <sys/types.h>
39	+	#include <regex.h>
40	+	#include "tools.h"
41	+	#endif
42	+	#ifdef ALLBSD
43	+	#include <sys/types.h>
44	+	#include <sys/socket.h>
45	+	#include <ifaddrs.h>
46	+	#include <net/if.h>
47	+	#endif
48
49		static network_stat_t *network_stats=NULL;
50		static int interfaces=0;
#	Line 72 | Line 87 | network_stat_t *network_stat_malloc(int needed_entries
87
88
89		network_stat_t *get_network_stats(int *entries){
90	+
91	+	static int sizeof_network_stats=0;
92	+	network_stat_t *network_stat_ptr;
93	+
94	+	#ifdef SOLARIS
95		kstat_ctl_t *kc;
96		kstat_t *ksp;
97		kstat_named_t *knp;
98	+	#endif
99
100	<	static int sizeof_network_stats=0;
100	>	#ifdef LINUX
101	>	FILE *f;
102	>	/* Horrible big enough, but it should be easily big enough */
103	>	char line[8096];
104	>	regex_t regex;
105	>	regmatch_t line_match[4];
106	>	#endif
107	>	#ifdef ALLBSD
108	>	struct ifaddrs *net, *net_ptr;
109	>	struct if_data *net_data;
110	>	#endif
111	>
112	>	#ifdef ALLBSD
113	>	if(getifaddrs(&net) != 0){
114	>	return NULL;
115	>	}
116	>
117	>	interfaces=0;
118
119	<	network_stat_t *network_stat_ptr;
119	>	for(net_ptr=net;net_ptr!=NULL;net_ptr=net_ptr->ifa_next){
120	>	if(net_ptr->ifa_addr->sa_family != AF_LINK) continue;
121	>	network_stats=network_stat_malloc((interfaces+1), &sizeof_network_stats, network_stats);
122	>	if(network_stats==NULL){
123	>	return NULL;
124	>	}
125	>	network_stat_ptr=network_stats+interfaces;
126	>
127	>	if(network_stat_ptr->interface_name!=NULL) free(network_stat_ptr->interface_name);
128	>	network_stat_ptr->interface_name=strdup(net_ptr->ifa_name);
129	>	if(network_stat_ptr->interface_name==NULL) return NULL;
130	>	net_data=(struct if_data *)net_ptr->ifa_data;
131	>	network_stat_ptr->rx=net_data->ifi_ibytes;
132	>	network_stat_ptr->tx=net_data->ifi_obytes;
133	>	network_stat_ptr->systime=time(NULL);
134	>	interfaces++;
135	>	}
136	>	freeifaddrs(net);
137	>	#endif
138
139	+	#ifdef SOLARIS
140		if ((kc = kstat_open()) == NULL) {
141		return NULL;
142		}
143
144	<	interfaces=0;
144	>	interfaces=0;
145
146		for (ksp = kc->kc_chain; ksp; ksp = ksp->ks_next) {
147		if (!strcmp(ksp->ks_class, "net")) {
148		kstat_read(kc, ksp, NULL);
149
150	<	if((knp=kstat_data_lookup(ksp, "rbytes64"))==NULL){
150	>	#ifdef SOL7
151	>	#define RLOOKUP "rbytes"
152	>	#define WLOOKUP "obytes"
153	>	#define VALTYPE value.ui32
154	>	#else
155	>	#define RLOOKUP "rbytes64"
156	>	#define WLOOKUP "obytes64"
157	>	#define VALTYPE value.ui64
158	>	#endif
159	>
160	>	if((knp=kstat_data_lookup(ksp, RLOOKUP))==NULL){
161		/* Not a network interface, so skip to the next entry */
162		continue;
163		}
#	Line 100 | Line 167 | network_stat_t *get_network_stats(int *entries){
167		return NULL;
168		}
169		network_stat_ptr=network_stats+interfaces;
170	<	network_stat_ptr->rx=knp->value.ui64;
170	>	network_stat_ptr->rx=knp->VALTYPE;
171
172	<	if((knp=kstat_data_lookup(ksp, "obytes64"))==NULL){
172	>	if((knp=kstat_data_lookup(ksp, WLOOKUP))==NULL){
173		/* Not a network interface, so skip to the next entry */
174		continue;
175		}
176	<	network_stat_ptr->tx=knp->value.ui64;
176	>	network_stat_ptr->tx=knp->VALTYPE;
177		if(network_stat_ptr->interface_name!=NULL){
178		free(network_stat_ptr->interface_name);
179		}
#	Line 118 | Line 185 | network_stat_t *get_network_stats(int *entries){
185		}
186
187		kstat_close(kc);
188	+	#endif
189	+	#ifdef LINUX
190	+	f=fopen("/proc/net/dev", "r");
191	+	if(f==NULL){
192	+	return NULL;
193	+	}
194	+	/* read the 2 lines.. Its the title, so we dont care :) */
195	+	fgets(line, sizeof(line), f);
196	+	fgets(line, sizeof(line), f);
197
198	+
199	+	if((regcomp(&regex, "^[[:space:]]*([^:]+):[[:space:]]*([[:digit:]]+)[[:space:]]+[[:digit:]]+[[:space:]]+[[:digit:]]+[[:space:]]+[[:digit:]]+[[:space:]]+[[:digit:]]+[[:space:]]+[[:digit:]]+[[:space:]]+[[:digit:]]+[[:space:]]+[[:digit:]]+[[:space:]]+([[:digit:]]+)", REG_EXTENDED))!=0){
200	+	return NULL;
201	+	}
202	+
203	+	interfaces=0;
204	+
205	+	while((fgets(line, sizeof(line), f)) != NULL){
206	+	if((regexec(&regex, line, 4, line_match, 0))!=0){
207	+	continue;
208	+	}
209	+	network_stats=network_stat_malloc((interfaces+1), &sizeof_network_stats, network_stats);
210	+	if(network_stats==NULL){
211	+	return NULL;
212	+	}
213	+	network_stat_ptr=network_stats+interfaces;
214	+
215	+	if(network_stat_ptr->interface_name!=NULL){
216	+	free(network_stat_ptr->interface_name);
217	+	}
218	+
219	+	network_stat_ptr->interface_name=get_string_match(line, &line_match[1]);
220	+	network_stat_ptr->rx=get_ll_match(line, &line_match[2]);
221	+	network_stat_ptr->tx=get_ll_match(line, &line_match[3]);
222	+	network_stat_ptr->systime=time(NULL);
223	+
224	+	interfaces++;
225	+	}
226	+	fclose(f);
227	+	regfree(&regex);
228	+
229	+	#endif
230	+
231	+	#ifdef CYGWIN
232	+	return NULL;
233	+	#endif
234	+
235		*entries=interfaces;
236
237		return network_stats;
238		}
239
240	+	long long transfer_diff(long long new, long long old){
241	+	#if defined(SOL7) || defined(LINUX) || defined(FREEBSD)
242	+	#define MAXVAL 4294967296LL
243	+	#else
244	+	#define MAXVAL 18446744073709551616LL
245	+	#endif
246	+	long long result;
247	+	if(new>=old){
248	+	result = (new-old);
249	+	}else{
250	+	result = (MAXVAL+(new-old));
251	+	}
252	+
253	+	return result;
254	+
255	+	}
256	+
257		network_stat_t *get_network_stats_diff(int *entries){
258		static network_stat_t *network_stats_diff=NULL;
259		static int sizeof_net_stats_diff=0;
#	Line 157 | Line 287 | network_stat_t *get_network_stats_diff(int *entries){
287		network_stats_diff_ptr++;
288		}
289		network_stats_ptr=get_network_stats(&ifaces);
290	+	if (network_stats_ptr == NULL) {
291	+	return NULL;
292	+	}
293		network_stats_diff_ptr=network_stats_diff;
294
295		for(x=0;x<sizeof_net_stats_diff;x++){
296
297		if((strcmp(network_stats_diff_ptr->interface_name, network_stats_ptr->interface_name))==0){
298	<	network_stats_diff_ptr->tx = network_stats_ptr->tx - network_stats_diff_ptr->tx;
299	<	network_stats_diff_ptr->rx = network_stats_ptr->rx - network_stats_diff_ptr->rx;
298	>	network_stats_diff_ptr->tx = transfer_diff(network_stats_ptr->tx, network_stats_diff_ptr->tx);
299	>	network_stats_diff_ptr->rx = transfer_diff(network_stats_ptr->rx, network_stats_diff_ptr->rx);
300		network_stats_diff_ptr->systime = network_stats_ptr->systime - network_stats_diff_ptr->systime;
301		}else{
302
303		network_stats_ptr=network_stats;
304		for(y=0;y<ifaces;y++){
305		if((strcmp(network_stats_diff_ptr->interface_name, network_stats_ptr->interface_name))==0){
306	<	network_stats_diff_ptr->tx = network_stats_ptr->tx - network_stats_diff_ptr->tx;
307	<	network_stats_diff_ptr->rx = network_stats_ptr->rx - network_stats_diff_ptr->rx;
306	>	network_stats_diff_ptr->tx = transfer_diff(network_stats_ptr->tx, network_stats_diff_ptr->tx);
307	>	network_stats_diff_ptr->rx = transfer_diff(network_stats_ptr->rx, network_stats_diff_ptr->rx);
308		network_stats_diff_ptr->systime = network_stats_ptr->systime - network_stats_diff_ptr->systime;
309		break;
310		}
#	Line 184 | Line 317 | network_stat_t *get_network_stats_diff(int *entries){
317		network_stats_diff_ptr++;
318		}
319
320	+	*entries=sizeof_net_stats_diff;
321		return network_stats_diff;
322		}
323

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