2011-05-15 11:16:48 +00:00
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/*
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top.c -- Show real-time statistics from a running tincd
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2013-01-20 19:19:08 +00:00
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Copyright (C) 2011-2013 Guus Sliepen <guus@tinc-vpn.org>
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2011-05-15 11:16:48 +00:00
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This program is free software; you can redistribute it and/or modify
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it under the terms of the GNU General Public License as published by
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the Free Software Foundation; either version 2 of the License, or
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(at your option) any later version.
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This program is distributed in the hope that it will be useful,
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but WITHOUT ANY WARRANTY; without even the implied warranty of
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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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GNU General Public License for more details.
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You should have received a copy of the GNU General Public License along
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with this program; if not, write to the Free Software Foundation, Inc.,
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51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
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*/
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#include "system.h"
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2011-06-24 22:06:06 +00:00
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#ifdef HAVE_CURSES
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2014-07-12 12:32:23 +00:00
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#undef KEY_EVENT /* There are conflicting declarations for KEY_EVENT in Windows wincon.h and curses.h. */
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2011-05-15 11:16:48 +00:00
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#include <curses.h>
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#include "control_common.h"
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2011-05-15 14:30:13 +00:00
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#include "list.h"
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2013-01-17 15:39:02 +00:00
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#include "names.h"
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2011-05-15 11:16:48 +00:00
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#include "tincctl.h"
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#include "top.h"
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2011-05-15 14:30:13 +00:00
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#include "xalloc.h"
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2011-05-15 11:16:48 +00:00
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2011-05-15 14:30:13 +00:00
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typedef struct nodestats_t {
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char *name;
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2011-06-25 20:20:39 +00:00
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int i;
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2011-05-15 14:30:13 +00:00
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uint64_t in_packets;
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uint64_t in_bytes;
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uint64_t out_packets;
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uint64_t out_bytes;
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float in_packets_rate;
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float in_bytes_rate;
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float out_packets_rate;
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float out_bytes_rate;
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bool known;
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} nodestats_t;
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2011-05-15 11:16:48 +00:00
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2011-05-28 01:56:06 +00:00
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static const char *const sortname[] = {
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2011-05-15 14:30:13 +00:00
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"name",
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"in pkts",
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"in bytes",
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"out pkts",
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"out bytes",
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"tot pkts",
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"tot bytes",
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};
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2011-05-15 11:16:48 +00:00
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2011-05-28 01:56:06 +00:00
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static int sortmode = 0;
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static bool cumulative = false;
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2011-05-15 11:16:48 +00:00
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2011-05-15 14:30:13 +00:00
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static list_t node_list;
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2012-11-29 11:28:23 +00:00
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static struct timeval cur, prev, diff;
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2011-05-15 14:30:13 +00:00
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static int delay = 1000;
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2011-06-02 18:27:16 +00:00
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static bool changed = true;
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2012-12-05 20:40:49 +00:00
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static const char *bunit = "bytes";
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static float bscale = 1;
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static const char *punit = "pkts";
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static float pscale = 1;
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2011-05-15 11:16:48 +00:00
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2014-03-09 14:32:10 +00:00
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static bool update(int fd) {
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if(!sendline(fd, "%d %d", CONTROL, REQ_DUMP_TRAFFIC))
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return false;
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2012-11-29 11:28:23 +00:00
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gettimeofday(&cur, NULL);
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2011-05-15 11:16:48 +00:00
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2012-11-29 11:28:23 +00:00
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timersub(&cur, &prev, &diff);
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prev = cur;
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2011-05-15 14:30:13 +00:00
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float interval = diff.tv_sec + diff.tv_usec * 1e-6;
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2011-05-15 11:16:48 +00:00
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2011-05-15 14:30:13 +00:00
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char line[4096];
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char name[4096];
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int code;
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int req;
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uint64_t in_packets;
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uint64_t in_bytes;
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uint64_t out_packets;
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uint64_t out_bytes;
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2012-10-07 22:35:38 +00:00
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for list_each(nodestats_t, ns, &node_list)
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ns->known = false;
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2011-05-15 14:30:13 +00:00
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while(recvline(fd, line, sizeof line)) {
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int n = sscanf(line, "%d %d %s %"PRIu64" %"PRIu64" %"PRIu64" %"PRIu64, &code, &req, name, &in_packets, &in_bytes, &out_packets, &out_bytes);
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if(n == 2)
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2014-03-09 14:32:10 +00:00
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return true;
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2011-05-15 14:30:13 +00:00
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2014-03-09 14:32:10 +00:00
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if(n != 7)
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return false;
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2011-05-15 14:30:13 +00:00
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nodestats_t *found = NULL;
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2011-05-15 11:16:48 +00:00
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2012-10-07 22:35:38 +00:00
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for list_each(nodestats_t, ns, &node_list) {
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int result = strcmp(name, ns->name);
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2011-05-15 14:30:13 +00:00
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if(result > 0) {
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continue;
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} if(result == 0) {
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2012-10-07 22:35:38 +00:00
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found = ns;
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2011-05-15 14:30:13 +00:00
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break;
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} else {
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2013-05-01 15:31:33 +00:00
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found = xzalloc(sizeof *found);
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2011-05-15 14:30:13 +00:00
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found->name = xstrdup(name);
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2012-10-07 22:35:38 +00:00
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list_insert_before(&node_list, node, found);
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2011-06-02 19:14:50 +00:00
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changed = true;
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2011-05-15 14:30:13 +00:00
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break;
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2011-05-15 11:16:48 +00:00
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}
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2011-05-15 14:30:13 +00:00
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}
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if(!found) {
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2013-05-01 15:31:33 +00:00
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found = xzalloc(sizeof *found);
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2011-05-15 14:30:13 +00:00
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found->name = xstrdup(name);
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list_insert_tail(&node_list, found);
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2011-06-02 19:14:50 +00:00
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changed = true;
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2011-05-15 14:30:13 +00:00
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}
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found->known = true;
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found->in_packets_rate = (in_packets - found->in_packets) / interval;
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found->in_bytes_rate = (in_bytes - found->in_bytes) / interval;
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found->out_packets_rate = (out_packets - found->out_packets) / interval;
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found->out_bytes_rate = (out_bytes - found->out_bytes) / interval;
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found->in_packets = in_packets;
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found->in_bytes = in_bytes;
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found->out_packets = out_packets;
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found->out_bytes = out_bytes;
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}
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2014-03-09 14:32:10 +00:00
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return false;
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2011-05-15 14:30:13 +00:00
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}
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2012-12-05 20:33:01 +00:00
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static int cmpfloat(float a, float b) {
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if(a < b)
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return -1;
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else if(a > b)
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return 1;
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else
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return 0;
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}
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static int cmpu64(uint64_t a, uint64_t b) {
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if(a < b)
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return -1;
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else if(a > b)
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return 1;
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else
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return 0;
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}
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static int sortfunc(const void *a, const void *b) {
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const nodestats_t *na = *(const nodestats_t **)a;
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const nodestats_t *nb = *(const nodestats_t **)b;
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switch(sortmode) {
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case 1:
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if(cumulative)
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return -cmpu64(na->in_packets, nb->in_packets) ?: na->i - nb->i;
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else
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return -cmpfloat(na->in_packets_rate, nb->in_packets_rate) ?: na->i - nb->i;
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case 2:
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if(cumulative)
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return -cmpu64(na->in_bytes, nb->in_bytes) ?: na->i - nb->i;
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else
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return -cmpfloat(na->in_bytes_rate, nb->in_bytes_rate) ?: na->i - nb->i;
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case 3:
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if(cumulative)
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return -cmpu64(na->out_packets, nb->out_packets) ?: na->i - nb->i;
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else
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return -cmpfloat(na->out_packets_rate, nb->out_packets_rate) ?: na->i - nb->i;
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case 4:
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if(cumulative)
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return -cmpu64(na->out_bytes, nb->out_bytes) ?: na->i - nb->i;
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else
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return -cmpfloat(na->out_bytes_rate, nb->out_bytes_rate) ?: na->i - nb->i;
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case 5:
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if(cumulative)
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return -cmpu64(na->in_packets + na->out_packets, nb->in_packets + nb->out_packets) ?: na->i - nb->i;
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else
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return -cmpfloat(na->in_packets_rate + na->out_packets_rate, nb->in_packets_rate + nb->out_packets_rate) ?: na->i - nb->i;
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case 6:
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if(cumulative)
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return -cmpu64(na->in_bytes + na->out_bytes, nb->in_bytes + nb->out_bytes) ?: na->i - nb->i;
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else
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return -cmpfloat(na->in_bytes_rate + na->out_bytes_rate, nb->in_bytes_rate + nb->out_bytes_rate) ?: na->i - nb->i;
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default:
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return strcmp(na->name, nb->name) ?: na->i - nb->i;
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}
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}
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2011-05-28 01:57:20 +00:00
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static void redraw(void) {
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2011-05-15 14:30:13 +00:00
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erase();
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2011-05-15 11:16:48 +00:00
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2011-06-25 20:20:39 +00:00
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mvprintw(0, 0, "Tinc %-16s Nodes: %4d Sort: %-10s %s", netname ?: "", node_list.count, sortname[sortmode], cumulative ? "Cumulative" : "Current");
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2011-05-15 14:30:13 +00:00
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attrset(A_REVERSE);
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2012-12-05 20:40:49 +00:00
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mvprintw(2, 0, "Node IN %s IN %s OUT %s OUT %s", punit, bunit, punit, bunit);
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2011-05-15 14:30:13 +00:00
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chgat(-1, A_REVERSE, 0, NULL);
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2011-06-02 18:27:16 +00:00
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static nodestats_t **sorted = 0;
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static int n = 0;
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if(changed) {
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n = 0;
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sorted = xrealloc(sorted, node_list.count * sizeof *sorted);
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2012-10-07 22:35:38 +00:00
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for list_each(nodestats_t, ns, &node_list)
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sorted[n++] = ns;
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2011-06-02 18:27:16 +00:00
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changed = false;
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}
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2011-06-25 20:20:39 +00:00
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for(int i = 0; i < n; i++)
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sorted[i]->i = i;
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2012-10-10 15:17:49 +00:00
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2013-11-15 14:32:53 +00:00
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if(sorted)
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qsort(sorted, n, sizeof *sorted, sortfunc);
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2011-05-15 14:30:13 +00:00
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2011-06-02 18:27:16 +00:00
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for(int i = 0, row = 3; i < n; i++, row++) {
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2011-05-15 14:30:13 +00:00
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nodestats_t *node = sorted[i];
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if(node->known)
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if(node->in_packets_rate || node->out_packets_rate)
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attrset(A_BOLD);
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else
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attrset(A_NORMAL);
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else
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attrset(A_DIM);
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2011-05-15 11:16:48 +00:00
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2011-05-15 14:30:13 +00:00
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if(cumulative)
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2012-12-06 15:57:57 +00:00
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mvprintw(row, 0, "%-16s %10.0f %10.0f %10.0f %10.0f",
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2012-12-05 20:40:49 +00:00
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node->name, node->in_packets * pscale, node->in_bytes * bscale, node->out_packets * pscale, node->out_bytes * bscale);
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2011-05-15 14:30:13 +00:00
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else
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2011-06-02 21:40:27 +00:00
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mvprintw(row, 0, "%-16s %10.0f %10.0f %10.0f %10.0f",
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2012-12-05 20:40:49 +00:00
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node->name, node->in_packets_rate * pscale, node->in_bytes_rate * bscale, node->out_packets_rate * pscale, node->out_bytes_rate * bscale);
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2011-05-15 14:30:13 +00:00
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}
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2011-05-15 11:16:48 +00:00
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2011-05-15 14:30:13 +00:00
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attrset(A_NORMAL);
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move(1, 0);
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refresh();
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}
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void top(int fd) {
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initscr();
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timeout(delay);
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2012-08-03 12:17:02 +00:00
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bool running = true;
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2011-05-15 14:30:13 +00:00
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while(running) {
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2014-03-09 14:32:10 +00:00
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if(!update(fd))
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break;
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2011-05-15 14:30:13 +00:00
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redraw();
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switch(getch()) {
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case 's': {
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timeout(-1);
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float input = delay * 1e-3;
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2011-05-29 20:12:37 +00:00
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mvprintw(1, 0, "Change delay from %.1fs to: ", input);
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2011-05-15 14:30:13 +00:00
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scanw("%f", &input);
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if(input < 0.1)
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input = 0.1;
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delay = input * 1e3;
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timeout(delay);
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break;
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}
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case 'c':
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2012-12-05 20:42:43 +00:00
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cumulative = !cumulative;
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break;
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2011-05-15 14:30:13 +00:00
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case 'n':
|
2012-12-05 20:42:43 +00:00
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sortmode = 0;
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break;
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2011-05-15 14:30:13 +00:00
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case 'i':
|
2012-12-05 20:42:43 +00:00
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sortmode = 2;
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break;
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2011-05-15 14:30:13 +00:00
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case 'I':
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2012-12-05 20:42:43 +00:00
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sortmode = 1;
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break;
|
2011-05-15 14:30:13 +00:00
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case 'o':
|
2012-12-05 20:42:43 +00:00
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sortmode = 4;
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break;
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2011-05-15 14:30:13 +00:00
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case 'O':
|
2012-12-05 20:42:43 +00:00
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sortmode = 3;
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break;
|
2011-05-15 14:30:13 +00:00
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case 't':
|
2012-12-05 20:42:43 +00:00
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sortmode = 6;
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break;
|
2011-05-15 14:30:13 +00:00
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case 'T':
|
2012-12-05 20:42:43 +00:00
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sortmode = 5;
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break;
|
2011-06-02 18:48:18 +00:00
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case 'b':
|
2012-12-05 20:42:43 +00:00
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|
|
bunit = "bytes";
|
|
|
|
bscale = 1;
|
|
|
|
punit = "pkts";
|
|
|
|
pscale = 1;
|
|
|
|
break;
|
2011-06-02 18:48:18 +00:00
|
|
|
case 'k':
|
2012-12-05 20:42:43 +00:00
|
|
|
bunit = "kbyte";
|
|
|
|
bscale = 1e-3;
|
|
|
|
punit = "pkts";
|
|
|
|
pscale = 1;
|
|
|
|
break;
|
2011-06-02 18:48:18 +00:00
|
|
|
case 'M':
|
2012-12-05 20:42:43 +00:00
|
|
|
bunit = "Mbyte";
|
|
|
|
bscale = 1e-6;
|
|
|
|
punit = "kpkt";
|
|
|
|
pscale = 1e-3;
|
|
|
|
break;
|
2011-06-02 18:48:18 +00:00
|
|
|
case 'G':
|
2012-12-05 20:42:43 +00:00
|
|
|
bunit = "Gbyte";
|
|
|
|
bscale = 1e-9;
|
|
|
|
punit = "Mpkt";
|
|
|
|
pscale = 1e-6;
|
|
|
|
break;
|
2011-05-15 14:30:13 +00:00
|
|
|
case 'q':
|
|
|
|
case KEY_BREAK:
|
|
|
|
running = false;
|
|
|
|
break;
|
|
|
|
default:
|
|
|
|
break;
|
|
|
|
}
|
|
|
|
}
|
2011-05-15 11:16:48 +00:00
|
|
|
|
|
|
|
endwin();
|
|
|
|
}
|
2011-06-24 22:06:06 +00:00
|
|
|
|
|
|
|
#endif
|