libstatgrab/examples/network_traffic.c

/*
 * i-scream libstatgrab
 * http://www.i-scream.org
 * Copyright (C) 2000-2004 i-scream
 *
 * This program is free software; you can redistribute it and/or
 * modify it under the terms of the GNU General Public License
 * as published by the Free Software Foundation; either version 2
 * of the License, or (at your option) any later version.
 *
 * This program is distributed in the hope that it will be useful,
 * but WITHOUT ANY WARRANTY; without even the implied warranty of
 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
 * GNU General Public License for more details.
 *
 * You should have received a copy of the GNU General Public License
 * along with this program; if not, write to the Free Software
 * Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA  02111-1307, USA.
 *
 * $Id: network_traffic.c,v 1.13 2004/04/05 16:23:08 tdb Exp $
 */

/* A very basic example of how to get the network statistics from the system 
 * and diaply them. Also it adds up all the traffic to create and print out
 * a total 
 * Takes several arguments :
 * -d <number>  Takes the number of seconds to wait to get traffic sent since last call
 *              Note, this is not network traffic per second. Its the traffic since last
 *              call. If you want it traffic per second averaged over time since last call
 *              You need to divide against the time since last time this was called. The time
 *              between 2 calls is stored in systime in the network_stat_t structure.
 * -b           Display in bytes
 * -k           Display in kilobytes
 * -m           Display in megabytes
 */

#include <stdio.h>
#include <statgrab.h>
#include <stdlib.h>
#include <unistd.h>

int main(int argc, char **argv){

        extern char *optarg;
        int c;

        /* We default to 1 second updates and displaying in bytes*/
        int delay = 1;
        char units = 'b';

        sg_network_io_stats *network_stats;
        int num_network_stats;

        /* Parse command line options */
        while ((c = getopt(argc, argv, "d:bkm")) != -1){
                switch (c){
                        case 'd':
                                delay = atoi(optarg);
                                break;
                        case 'b':
                                units = 'b';
                                break;
                        case 'k':
                                units = 'k';    
                                break;
                        case 'm':
                                units = 'm';
                                break;
                }
        }

        /* Initialise statgrab */
        sg_init();

        /* Drop setuid/setgid privileges. */
        if (sg_drop_privileges() != 0) {
                perror("Error. Failed to drop privileges");
                return 1;
        }

        /* We are not interested in the amount of traffic ever transmitted, just differences. 
         * Because of this, we do nothing for the very first call.
         */

        network_stats = sg_get_network_io_stats_diff(&num_network_stats);
        if (network_stats == NULL){
                perror("Error. Failed to get network stats");
                return 1;
        }

        /* Clear the screen ready for display the network stats */
        printf("\033[2J");

        /* Keep getting the network stats */
        while ( (network_stats = sg_get_network_io_stats_diff(&num_network_stats)) != NULL){
                int x;
                int line_number = 2;

                long long total_tx=0;
                long long total_rx=0;
                long long total_ipackets=0;
                long long total_opackets=0;
                long long total_ierrors=0;
                long long total_oerrors=0;
                long long total_collisions=0;

                for(x = 0; x < num_network_stats; x++){ 
                        /* Print at location 2, linenumber the interface name */
                        printf("\033[%d;2H%-30s : %-10s", line_number++, "Network Interface Name", network_stats->interface_name);
                        /* Print out at the correct location the traffic in the requsted units passed at command time */
                        switch(units){
                                case 'b':
                                        printf("\033[%d;2H%-30s : %8lld b", line_number++, "Network Interface Rx", network_stats->rx);
                                        printf("\033[%d;2H%-30s : %8lld b", line_number++, "Network Interface Tx", network_stats->tx);
                                        break;
                                case 'k':
                                        printf("\033[%d;2H%-30s : %5lld k", line_number++, "Network Interface Rx", (network_stats->rx / 1024));
                                        printf("\033[%d;2H%-30s : %5lld", line_number++, "Network Interface Tx", (network_stats->tx / 1024));
                                        break;
                                case 'm':
                                        printf("\033[%d;2H%-30s : %5.2f m", line_number++, "Network Interface Rx", network_stats->rx / (1024.00*1024.00));
                                        printf("\033[%d;2H%-30s : %5.2f m", line_number++, "Network Interface Tx", network_stats->tx / (1024.00*1024.00));
                        }
                        printf("\033[%d;2H%-30s : %lld ", line_number++, "Network Interface packets in", network_stats->ipackets);
                        printf("\033[%d;2H%-30s : %lld ", line_number++, "Network Interface packets out", network_stats->opackets);
                        printf("\033[%d;2H%-30s : %lld ", line_number++, "Network Interface errors in", network_stats->ierrors);
                        printf("\033[%d;2H%-30s : %lld ", line_number++, "Network Interface errors out", network_stats->oerrors);
                        printf("\033[%d;2H%-30s : %lld ", line_number++, "Network Interface collisions", network_stats->collisions);
                        printf("\033[%d;2H%-30s : %ld ", line_number++, "Network Interface systime", (long) network_stats->systime);

                        /* Add a blank line between interfaces */       
                        line_number++;

                        /* Add up this interface to the total so we can display a "total" network io" */
                        total_tx+=network_stats->tx;
                        total_rx+=network_stats->rx;
                        total_ipackets+=network_stats->ipackets;
                        total_opackets+=network_stats->opackets;
                        total_ierrors+=network_stats->ierrors;
                        total_oerrors+=network_stats->oerrors;
                        total_collisions+=network_stats->collisions;

                        /* Move the pointer onto the next interface. Since this returns a static buffer, we dont need
                         * to keep track of the orginal pointer to free later */
                        network_stats++;
                }

                printf("\033[%d;2H%-30s : %-10s", line_number++, "Network Interface Name", "Total Network IO");
                switch(units){
                        case 'b':
                                printf("\033[%d;2H%-30s : %8lld b", line_number++, "Network Total Rx", total_rx);
                                printf("\033[%d;2H%-30s : %8lld b", line_number++, "Network Total Tx", total_tx);
                                break;
                        case 'k':
                                printf("\033[%d;2H%-30s : %5lld k", line_number++, "Network Total Rx", (total_rx / 1024));
                                printf("\033[%d;2H%-30s : %5lld k", line_number++, "Network Total Tx", (total_tx / 1024));
                                break;
                        case 'm':
                                printf("\033[%d;2H%-30s : %5.2f m", line_number++, "Network Total Rx", (total_rx  / (1024.00*1024.00)));
                                printf("\033[%d;2H%-30s : %5.2f m", line_number++, "Network Total Tx", (total_tx  / (1024.00*1024.00)));
                                break;
                }
                printf("\033[%d;2H%-30s : %lld ", line_number++, "Network Total packets in", total_ipackets);
                printf("\033[%d;2H%-30s : %lld ", line_number++, "Network Total packets out", total_opackets);
                printf("\033[%d;2H%-30s : %lld ", line_number++, "Network Total errors in", total_ierrors);
                printf("\033[%d;2H%-30s : %lld ", line_number++, "Network Total errors out", total_oerrors);
                printf("\033[%d;2H%-30s : %lld ", line_number++, "Network Total collisions", total_collisions);

                fflush(stdout);

                sleep(delay);

        }

        return 0;

}
Revision:	1.14
Committed:	Tue Apr 6 14:52:56 2004 UTC (20 years ago) by tdb
Content type:	text/plain
Branch:	MAIN
CVS Tags:	LIBSTATGRAB_0_17, LIBSTATGRAB_0_16, LIBSTATGRAB_0_15, LIBSTATGRAB_0_14, LIBSTATGRAB_0_13, LIBSTATGRAB_0_12, LIBSTATGRAB_0_11_1, LIBSTATGRAB_0_11, LIBSTATGRAB_0_10_3, LIBSTATGRAB_0_10_2, LIBSTATGRAB_0_10_1, LIBSTATGRAB_0_10, HEAD
Changes since 1.13:	+2 -2 lines
Log Message:	Update name of project at the top of all soure files. These files now exist in their own right, rather than as part of the "CMS".
#	User	Rev	Content
1	pajs	1.1	/*
2	tdb	1.14	* i-scream libstatgrab
3	tdb	1.3	* http://www.i-scream.org
4	tdb	1.7	* Copyright (C) 2000-2004 i-scream
5	pajs	1.1	*
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.
10			*
11			* This program 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.
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.
19	tdb	1.8	*
20	tdb	1.14	* $Id: network_traffic.c,v 1.13 2004/04/05 16:23:08 tdb Exp $
21	pajs	1.1	*/
22
23			/* A very basic example of how to get the network statistics from the system
24			* and diaply them. Also it adds up all the traffic to create and print out
25			* a total
26			* Takes several arguments :
27			* -d <number> Takes the number of seconds to wait to get traffic sent since last call
28	tdb	1.5	* Note, this is not network traffic per second. Its the traffic since last
29			* call. If you want it traffic per second averaged over time since last call
30	pajs	1.1	* You need to divide against the time since last time this was called. The time
31			* between 2 calls is stored in systime in the network_stat_t structure.
32			* -b Display in bytes
33			* -k Display in kilobytes
34	tdb	1.5	* -m Display in megabytes
35	pajs	1.1	*/
36
37			#include <stdio.h>
38			#include <statgrab.h>
39			#include <stdlib.h>
40			#include <unistd.h>
41
42			int main(int argc, char **argv){
43
44			extern char *optarg;
45			int c;
46
47			/* We default to 1 second updates and displaying in bytes*/
48			int delay = 1;
49			char units = 'b';
50
51	tdb	1.13	sg_network_io_stats *network_stats;
52	pajs	1.1	int num_network_stats;
53
54			/* Parse command line options */
55	ats	1.4	while ((c = getopt(argc, argv, "d:bkm")) != -1){
56	pajs	1.1	switch (c){
57			case 'd':
58			delay = atoi(optarg);
59			break;
60			case 'b':
61			units = 'b';
62			break;
63			case 'k':
64			units = 'k';
65			break;
66			case 'm':
67			units = 'm';
68			break;
69			}
70			}
71
72	tdb	1.5	/* Initialise statgrab */
73	tdb	1.13	sg_init();
74	tdb	1.5
75	ats	1.6	/* Drop setuid/setgid privileges. */
76	tdb	1.13	if (sg_drop_privileges() != 0) {
77	ats	1.6	perror("Error. Failed to drop privileges");
78			return 1;
79			}
80
81	tdb	1.5	/* We are not interested in the amount of traffic ever transmitted, just differences.
82	pajs	1.1	* Because of this, we do nothing for the very first call.
83			*/
84	tdb	1.5
85	tdb	1.13	network_stats = sg_get_network_io_stats_diff(&num_network_stats);
86	pajs	1.1	if (network_stats == NULL){
87			perror("Error. Failed to get network stats");
88			return 1;
89			}
90
91			/* Clear the screen ready for display the network stats */
92			printf("\033[2J");
93	tdb	1.5
94	pajs	1.1	/* Keep getting the network stats */
95	tdb	1.13	while ( (network_stats = sg_get_network_io_stats_diff(&num_network_stats)) != NULL){
96	pajs	1.1	int x;
97			int line_number = 2;
98
99			long long total_tx=0;
100			long long total_rx=0;
101	tdb	1.9	long long total_ipackets=0;
102			long long total_opackets=0;
103			long long total_ierrors=0;
104			long long total_oerrors=0;
105			long long total_collisions=0;
106	pajs	1.1
107			for(x = 0; x < num_network_stats; x++){
108			/* Print at location 2, linenumber the interface name */
109	tdb	1.9	printf("\033[%d;2H%-30s : %-10s", line_number++, "Network Interface Name", network_stats->interface_name);
110	pajs	1.1	/* Print out at the correct location the traffic in the requsted units passed at command time */
111			switch(units){
112			case 'b':
113	tdb	1.9	printf("\033[%d;2H%-30s : %8lld b", line_number++, "Network Interface Rx", network_stats->rx);
114			printf("\033[%d;2H%-30s : %8lld b", line_number++, "Network Interface Tx", network_stats->tx);
115	pajs	1.1	break;
116			case 'k':
117	tdb	1.9	printf("\033[%d;2H%-30s : %5lld k", line_number++, "Network Interface Rx", (network_stats->rx / 1024));
118			printf("\033[%d;2H%-30s : %5lld", line_number++, "Network Interface Tx", (network_stats->tx / 1024));
119	tdb	1.5	break;
120	pajs	1.1	case 'm':
121	tdb	1.9	printf("\033[%d;2H%-30s : %5.2f m", line_number++, "Network Interface Rx", network_stats->rx / (1024.00*1024.00));
122			printf("\033[%d;2H%-30s : %5.2f m", line_number++, "Network Interface Tx", network_stats->tx / (1024.00*1024.00));
123	pajs	1.1	}
124	tdb	1.11	printf("\033[%d;2H%-30s : %lld ", line_number++, "Network Interface packets in", network_stats->ipackets);
125			printf("\033[%d;2H%-30s : %lld ", line_number++, "Network Interface packets out", network_stats->opackets);
126			printf("\033[%d;2H%-30s : %lld ", line_number++, "Network Interface errors in", network_stats->ierrors);
127			printf("\033[%d;2H%-30s : %lld ", line_number++, "Network Interface errors out", network_stats->oerrors);
128			printf("\033[%d;2H%-30s : %lld ", line_number++, "Network Interface collisions", network_stats->collisions);
129	tdb	1.9	printf("\033[%d;2H%-30s : %ld ", line_number++, "Network Interface systime", (long) network_stats->systime);
130	tdb	1.5
131	pajs	1.1	/* Add a blank line between interfaces */
132			line_number++;
133
134			/* Add up this interface to the total so we can display a "total" network io" */
135			total_tx+=network_stats->tx;
136			total_rx+=network_stats->rx;
137	tdb	1.9	total_ipackets+=network_stats->ipackets;
138			total_opackets+=network_stats->opackets;
139			total_ierrors+=network_stats->ierrors;
140			total_oerrors+=network_stats->oerrors;
141			total_collisions+=network_stats->collisions;
142	pajs	1.1
143			/* Move the pointer onto the next interface. Since this returns a static buffer, we dont need
144			* to keep track of the orginal pointer to free later */
145			network_stats++;
146			}
147	tdb	1.5
148	tdb	1.9	printf("\033[%d;2H%-30s : %-10s", line_number++, "Network Interface Name", "Total Network IO");
149	pajs	1.1	switch(units){
150			case 'b':
151	tdb	1.9	printf("\033[%d;2H%-30s : %8lld b", line_number++, "Network Total Rx", total_rx);
152			printf("\033[%d;2H%-30s : %8lld b", line_number++, "Network Total Tx", total_tx);
153	pajs	1.1	break;
154			case 'k':
155	tdb	1.9	printf("\033[%d;2H%-30s : %5lld k", line_number++, "Network Total Rx", (total_rx / 1024));
156			printf("\033[%d;2H%-30s : %5lld k", line_number++, "Network Total Tx", (total_tx / 1024));
157	pajs	1.1	break;
158			case 'm':
159	tdb	1.9	printf("\033[%d;2H%-30s : %5.2f m", line_number++, "Network Total Rx", (total_rx / (1024.00*1024.00)));
160			printf("\033[%d;2H%-30s : %5.2f m", line_number++, "Network Total Tx", (total_tx / (1024.00*1024.00)));
161	pajs	1.1	break;
162			}
163	tdb	1.10	printf("\033[%d;2H%-30s : %lld ", line_number++, "Network Total packets in", total_ipackets);
164			printf("\033[%d;2H%-30s : %lld ", line_number++, "Network Total packets out", total_opackets);
165			printf("\033[%d;2H%-30s : %lld ", line_number++, "Network Total errors in", total_ierrors);
166			printf("\033[%d;2H%-30s : %lld ", line_number++, "Network Total errors out", total_oerrors);
167			printf("\033[%d;2H%-30s : %lld ", line_number++, "Network Total collisions", total_collisions);
168	tdb	1.5
169	pajs	1.1	fflush(stdout);
170
171			sleep(delay);
172
173			}
174
175			return 0;
176
177			}