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bwm-ng v0.6
Copyright (C) 2004-2007 Volker Gropp (bwmng@gropp.org) http://www.gropp.org/?id=projects&sub=bwm-ng

What is this?

Bandwidth Monitor NG is a small and simple console-based live network and disk io bandwidth monitor for Linux, BSD, Solaris, Mac OS X and others.

Short list of features:
- supports /proc/net/dev, netstat, getifaddr, sysctl, kstat, /proc/diskstats /proc/partitions, IOKit, devstat and libstatgrab - unlimited number of interfaces/devices supported - interfaces/devices are added or removed dynamically from list - white-/blacklist of interfaces/devices - output of KB/s, Kb/s, packets, errors, average, max and total sum - output in curses, plain console, CSV or HTML - configfile

This was influenced by the old bwm util written by written by Barney (barney@freewill.tzo.com) which had some issues with faster interfaces and was very simple. Since i had almost all code done anyway for other projects, i decided to create my own version.

I actually dont know if netstat input is usefull at all. I saw this elsewhere, so i added it. Its target is "netstat 1.42 (2001-04-15)" linux or Free/Open/NetBSD. If there are other formats i would be happy to add them.

For info about libstatgrab please refer to http://www.i-scream.org/libstatgrab/

Supported Platforms

network routines sucessfully tested on: Linux 2.4, Linux 2.6
FreeBSD 4.8, 5.3, 6.2
MacOS X 10.1 and above
Solaris 10 x86
SunOS 5.9 sparc Solaris 9
OpenBSD 3.4, 3.6, 4.0
NetBSD 1.6.1, 2.0, 3.0*
IRIX64 6.5
Win2000, WinXP, Windows Vista

*disk monitoring working aswell

please email me of working or not working platforms. Disk IO might work only on a limited number of platforms.

INSTALL

For detailed decription please read INSTALL ./configure --help for a list of options

./configure
make

to install use as root:
make install

WIN32

To compile the Windows version in Linux (debian): ./configure --with-win32 --without-procnetdev --without-diskstats --without-curses --without-netstatlinux --build i686-pc-linux-gnu --host i586-mingw32msvc make

get ansi.sys for better output: http://en.wikipedia.org/wiki/ANSI.SYS

Specs

csv output format:
Type rate:
unix timestamp;iface_name;bytes_out/s;bytes_in/s;bytes_total/s;bytes_in;bytes_out;packets_out/s;packets_in/s;packets_total/s;packets_in;packets_out;errors_out/s;errors_in/s;errors_in;errors_out\n Type svg, sum, max:
unix timestamp;iface_name;bytes_out;bytes_in;bytes_total;packets_out;packets_in;packets_total;errors_out;errors_in\n Use --count 0 to skip the all zero output after start.

html output format:
edit the bwm-ng.css to modify the output. Please note the htmlrefresh only modifies the META refresh, you maybe wanna sync --timeout and --htmlrefresh

USAGE

USAGE: bwm-ng [OPTION] ... [CONFIGFILE] Please read the manpage or `bwm-ng -h` for a list and explanation of options.

Keybindings (curses only):

  'h'     show help
  'q'     exit
  '+'     increases timeout by 100ms
  '-'     decreases timeout by 100ms
  'k','d' switch KB and auto assign Byte/KB/MB/GB
  'a'     cycle: show all interfaces, only those which are up, 
                 only up and not hidden
  's'     sum hidden ifaces to total aswell or not
  'n'     cycle: input methods
  'u'     cycle: bytes,bits,packets,errors
  't'     cycle: current rate, max, sum since start, average for last 30 sec

Configfile

either via cmdline or /etc/bwm-ng.conf or ~/.bwm-ng.conf it consists of:
longoption=value
with 1 or 0 as values for keys without a value in cmdline options.

For more help take a look at bwm-ng.conf-example

Misc

Bugs/Known Problems:

• curses output coredumps on netbsd 1.6.1 (maybe others) with unknown TERM set and configfile support compiled in
• no other yet, wow ;) (please report if you found one)

  Todo

• Docs
• checking options to be valid
• mysql output (ipac-ng compatible)
• setting which stats to output for csv/sql
• distributed gathering of stats (client/server)
• whatever you can think of

---

• 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 *

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