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root/i-scream/projects/libstatgrab/examples/network_traffic.c
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Comparing projects/libstatgrab/examples/network_traffic.c (file contents):
Revision 1.2 by pajs, Thu Jun 5 14:45:39 2003 UTC vs.
Revision 1.9 by tdb, Sat Mar 6 22:37:27 2004 UTC

# Line 1 | Line 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
# Line 16 | Line 16
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 + *
20 + * $Id$
21   */
22  
23   /* A very basic example of how to get the network statistics from the system
# Line 23 | Line 25
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 < *              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
28 > *              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   *              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 < * -m           Display in megabytes
34 > * -m           Display in megabytes
35   */
36  
37   #include <stdio.h>
# Line 51 | Line 53 | int main(int argc, char **argv){
53          int num_network_stats;
54  
55          /* Parse command line options */
56 <        while ((c = getopt(argc, argv, "d:bkm")) != EOF){
56 >        while ((c = getopt(argc, argv, "d:bkm")) != -1){
57                  switch (c){
58                          case 'd':
59                                  delay = atoi(optarg);
# Line 68 | Line 70 | int main(int argc, char **argv){
70                  }
71          }
72  
73 <        /* We are not intrested in the amount of traffic ever transmitted, just differences.
73 >        /* Initialise statgrab */
74 >        statgrab_init();
75 >
76 >        /* Drop setuid/setgid privileges. */
77 >        if (statgrab_drop_privileges() != 0) {
78 >                perror("Error. Failed to drop privileges");
79 >                return 1;
80 >        }
81 >
82 >        /* We are not interested in the amount of traffic ever transmitted, just differences.
83           * Because of this, we do nothing for the very first call.
84           */
85 <        
85 >
86          network_stats = get_network_stats_diff(&num_network_stats);
87          if (network_stats == NULL){
88                  perror("Error. Failed to get network stats");
# Line 80 | Line 91 | int main(int argc, char **argv){
91  
92          /* Clear the screen ready for display the network stats */
93          printf("\033[2J");
94 <        
94 >
95          /* Keep getting the network stats */
96          while ( (network_stats = get_network_stats_diff(&num_network_stats)) != NULL){
97                  int x;
# Line 88 | Line 99 | int main(int argc, char **argv){
99  
100                  long long total_tx=0;
101                  long long total_rx=0;
102 +                long long total_ipackets=0;
103 +                long long total_opackets=0;
104 +                long long total_ierrors=0;
105 +                long long total_oerrors=0;
106 +                long long total_collisions=0;
107  
108                  for(x = 0; x < num_network_stats; x++){
109                          /* Print at location 2, linenumber the interface name */
110 <                        printf("\033[%d;2H%-25s : %-10s", line_number++, "Network Interface Name", network_stats->interface_name);
110 >                        printf("\033[%d;2H%-30s : %-10s", line_number++, "Network Interface Name", network_stats->interface_name);
111                          /* Print out at the correct location the traffic in the requsted units passed at command time */
112                          switch(units){
113                                  case 'b':
114 <                                        printf("\033[%d;2H%-25s : %8lld b", line_number++, "Network Interface Rx", network_stats->rx);
115 <                                        printf("\033[%d;2H%-25s : %8lld b", line_number++, "Network Interface Tx", network_stats->tx);
114 >                                        printf("\033[%d;2H%-30s : %8lld b", line_number++, "Network Interface Rx", network_stats->rx);
115 >                                        printf("\033[%d;2H%-30s : %8lld b", line_number++, "Network Interface Tx", network_stats->tx);
116                                          break;
117                                  case 'k':
118 <                                        printf("\033[%d;2H%-25s : %5lld k", line_number++, "Network Interface Rx", (network_stats->rx / 1024));
119 <                                        printf("\033[%d;2H%-25s : %5lld", line_number++, "Network Interface Tx", (network_stats->tx / 1024));
120 <                                        break;
118 >                                        printf("\033[%d;2H%-30s : %5lld k", line_number++, "Network Interface Rx", (network_stats->rx / 1024));
119 >                                        printf("\033[%d;2H%-30s : %5lld", line_number++, "Network Interface Tx", (network_stats->tx / 1024));
120 >                                        break;
121                                  case 'm':
122 <                                        printf("\033[%d;2H%-25s : %5.2f m", line_number++, "Network Interface Rx", network_stats->rx / (1024.00*1024.00));
123 <                                        printf("\033[%d;2H%-25s : %5.2f m", line_number++, "Network Interface Tx", network_stats->tx / (1024.00*1024.00));
122 >                                        printf("\033[%d;2H%-30s : %5.2f m", line_number++, "Network Interface Rx", network_stats->rx / (1024.00*1024.00));
123 >                                        printf("\033[%d;2H%-30s : %5.2f m", line_number++, "Network Interface Tx", network_stats->tx / (1024.00*1024.00));
124                          }
125 <                        printf("\033[%d;2H%-25s : %ld ", line_number++, "Network Interface systime", (long) network_stats->systime);
126 <                
125 >                        printf("\033[%d;2H%-30s : %ld ", line_number++, "Network Interface packets in", network_stats->ipackets);
126 >                        printf("\033[%d;2H%-30s : %ld ", line_number++, "Network Interface packets out", network_stats->opackets);
127 >                        printf("\033[%d;2H%-30s : %ld ", line_number++, "Network Interface errors in", network_stats->ierrors);
128 >                        printf("\033[%d;2H%-30s : %ld ", line_number++, "Network Interface errors out", network_stats->oerrors);
129 >                        printf("\033[%d;2H%-30s : %ld ", line_number++, "Network Interface collisions", network_stats->collisions);
130 >                        printf("\033[%d;2H%-30s : %ld ", line_number++, "Network Interface systime", (long) network_stats->systime);
131 >
132                          /* Add a blank line between interfaces */      
133                          line_number++;
134  
135                          /* Add up this interface to the total so we can display a "total" network io" */
136                          total_tx+=network_stats->tx;
137                          total_rx+=network_stats->rx;
138 +                        total_ipackets+=network_stats->ipackets;
139 +                        total_opackets+=network_stats->opackets;
140 +                        total_ierrors+=network_stats->ierrors;
141 +                        total_oerrors+=network_stats->oerrors;
142 +                        total_collisions+=network_stats->collisions;
143  
144                          /* Move the pointer onto the next interface. Since this returns a static buffer, we dont need
145                           * to keep track of the orginal pointer to free later */
146                          network_stats++;
147                  }
148 <                
149 <                printf("\033[%d;2H%-25s : %-10s", line_number++, "Network Interface Name", "Total Network IO");
148 >
149 >                printf("\033[%d;2H%-30s : %-10s", line_number++, "Network Interface Name", "Total Network IO");
150                  switch(units){
151                          case 'b':
152 <                                printf("\033[%d;2H%-25s : %8lld b", line_number++, "Network Total Rx", total_rx);
153 <                                printf("\033[%d;2H%-25s : %8lld b", line_number++, "Network Total Tx", total_tx);
152 >                                printf("\033[%d;2H%-30s : %8lld b", line_number++, "Network Total Rx", total_rx);
153 >                                printf("\033[%d;2H%-30s : %8lld b", line_number++, "Network Total Tx", total_tx);
154                                  break;
155                          case 'k':
156 <                                printf("\033[%d;2H%-25s : %5lld k", line_number++, "Network Total Rx", (total_rx / 1024));
157 <                                printf("\033[%d;2H%-25s : %5lld k", line_number++, "Network Total Tx", (total_tx / 1024));
156 >                                printf("\033[%d;2H%-30s : %5lld k", line_number++, "Network Total Rx", (total_rx / 1024));
157 >                                printf("\033[%d;2H%-30s : %5lld k", line_number++, "Network Total Tx", (total_tx / 1024));
158                                  break;
159                          case 'm':
160 <                                printf("\033[%d;2H%-25s : %5.2f m", line_number++, "Network Total Rx", (total_rx  / (1024.00*1024.00)));
161 <                                printf("\033[%d;2H%-25s : %5.2f m", line_number++, "Network Total Tx", (total_tx  / (1024.00*1024.00)));
160 >                                printf("\033[%d;2H%-30s : %5.2f m", line_number++, "Network Total Rx", (total_rx  / (1024.00*1024.00)));
161 >                                printf("\033[%d;2H%-30s : %5.2f m", line_number++, "Network Total Tx", (total_tx  / (1024.00*1024.00)));
162                                  break;
163                  }
164 <                
164 >                printf("\033[%d;2H%-30s : %8lld b", line_number++, "Network Total packets in", total_ipackets);
165 >                printf("\033[%d;2H%-30s : %8lld b", line_number++, "Network Total packets out", total_opackets);
166 >                printf("\033[%d;2H%-30s : %8lld b", line_number++, "Network Total errors in", total_ierrors);
167 >                printf("\033[%d;2H%-30s : %8lld b", line_number++, "Network Total errors out", total_oerrors);
168 >                printf("\033[%d;2H%-30s : %8lld b", line_number++, "Network Total collisions", total_collisions);
169 >
170                  fflush(stdout);
171  
172                  sleep(delay);

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