/* * 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 1.14 2004/04/06 14:52:56 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 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 #include #include #include 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; }