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root/i-scream/projects/libstatgrab/examples/network_traffic.c

Comparing projects/libstatgrab/examples/network_traffic.c (file contents):
Revision 1.3 by tdb, Sun Aug 24 20:24:09 2003 UTC vs.
Revision 1.6 by ats, Mon Jan 5 17:29:07 2004 UTC

#	Line 23 | Line 23
23		* a total
24		* Takes several arguments :
25		* -d <number>  Takes the number of seconds to wait to get traffic sent since last call
26	<	*              Note, this is not network traffic per second. Its the traffic since last
27	<	*              call. If you want it traffic per second averaged over time since last call
26	>	*              Note, this is not network traffic per second. Its the traffic since last
27	>	*              call. If you want it traffic per second averaged over time since last call
28		*              You need to divide against the time since last time this was called. The time
29		*              between 2 calls is stored in systime in the network_stat_t structure.
30		* -b           Display in bytes
31		* -k           Display in kilobytes
32	<	* -m           Display in megabytes
32	>	* -m           Display in megabytes
33		*/
34
35		#include <stdio.h>
#	Line 51 | Line 51 | int main(int argc, char **argv){
51		int num_network_stats;
52
53		/* Parse command line options */
54	<	while ((c = getopt(argc, argv, "d:bkm")) != EOF){
54	>	while ((c = getopt(argc, argv, "d:bkm")) != -1){
55		switch (c){
56		case 'd':
57		delay = atoi(optarg);
#	Line 68 | Line 68 | int main(int argc, char **argv){
68		}
69		}
70
71	<	/* We are not intrested in the amount of traffic ever transmitted, just differences.
71	>	/* Initialise statgrab */
72	>	statgrab_init();
73	>
74	>	/* Drop setuid/setgid privileges. */
75	>	if (statgrab_drop_privileges() != 0) {
76	>	perror("Error. Failed to drop privileges");
77	>	return 1;
78	>	}
79	>
80	>	/* We are not interested in the amount of traffic ever transmitted, just differences.
81		* Because of this, we do nothing for the very first call.
82		*/
83	<
83	>
84		network_stats = get_network_stats_diff(&num_network_stats);
85		if (network_stats == NULL){
86		perror("Error. Failed to get network stats");
#	Line 80 | Line 89 | int main(int argc, char **argv){
89
90		/* Clear the screen ready for display the network stats */
91		printf("\033[2J");
92	<
92	>
93		/* Keep getting the network stats */
94		while ( (network_stats = get_network_stats_diff(&num_network_stats)) != NULL){
95		int x;
#	Line 100 | Line 109 | int main(int argc, char **argv){
109		break;
110		case 'k':
111		printf("\033[%d;2H%-25s : %5lld k", line_number++, "Network Interface Rx", (network_stats->rx / 1024));
112	<	printf("\033[%d;2H%-25s : %5lld", line_number++, "Network Interface Tx", (network_stats->tx / 1024));
113	<	break;
112	>	printf("\033[%d;2H%-25s : %5lld", line_number++, "Network Interface Tx", (network_stats->tx / 1024));
113	>	break;
114		case 'm':
115		printf("\033[%d;2H%-25s : %5.2f m", line_number++, "Network Interface Rx", network_stats->rx / (1024.00*1024.00));
116		printf("\033[%d;2H%-25s : %5.2f m", line_number++, "Network Interface Tx", network_stats->tx / (1024.00*1024.00));
117		}
118		printf("\033[%d;2H%-25s : %ld ", line_number++, "Network Interface systime", (long) network_stats->systime);
119	<
119	>
120		/* Add a blank line between interfaces */
121		line_number++;
122
#	Line 119 | Line 128 | int main(int argc, char **argv){
128		* to keep track of the orginal pointer to free later */
129		network_stats++;
130		}
131	<
131	>
132		printf("\033[%d;2H%-25s : %-10s", line_number++, "Network Interface Name", "Total Network IO");
133		switch(units){
134		case 'b':
#	Line 135 | Line 144 | int main(int argc, char **argv){
144		printf("\033[%d;2H%-25s : %5.2f m", line_number++, "Network Total Tx", (total_tx  / (1024.00*1024.00)));
145		break;
146		}
147	<
147	>
148		fflush(stdout);
149
150		sleep(delay);

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