mirror of
https://github.com/munin-monitoring/contrib.git
synced 2018-11-08 00:59:34 +01:00
75 lines
2.2 KiB
Awk
Executable File
75 lines
2.2 KiB
Awk
Executable File
#!/usr/bin/gawk -f
|
|
# Denon x311 volume-plugin for munin
|
|
# Copyright (C) 2010 Kristian Lyngstol
|
|
#
|
|
# 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.,
|
|
# 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
|
|
|
|
# This plugin asks a Denon (?) receiver over "telnet" what volume it's
|
|
# running at and parses the result. It's tested with Denon AVR 4311, but I
|
|
# suppose it works with the 3311 too, possibly more. It uses 192.168.0.60
|
|
# by default - because I'm lazy.
|
|
|
|
### Magic markers
|
|
# #%# family=manual
|
|
# #%# capabilities=
|
|
#
|
|
# Even if we _could_ do autoconf on ENVIRON["ip"], it's hazardous as you
|
|
# have little control over timeouts and risk hanging around annoying the
|
|
# user.
|
|
|
|
BEGIN {
|
|
if (ARGV[1] == "config") {
|
|
print "graph_title Denon AVR-4311 Volume"
|
|
print "graph_category radio"
|
|
print "volume.label Volume"
|
|
print "volume.type GAUGE"
|
|
exit 0
|
|
}
|
|
if (ENVIRON["ip"] == "") {
|
|
ip="denon.kristian.int"
|
|
} else {
|
|
ip=ENVIRON["ip"]
|
|
}
|
|
Service="/inet/tcp/0/" ip "/23"
|
|
|
|
# The AVR-4311 uses just a \r as line/record separator (annoying as
|
|
# heck).
|
|
RS="\r"
|
|
|
|
# MV? asks for volume. Returned in MVXXZ - the z is optional
|
|
print "MV?\r" |&Service
|
|
Service |& getline
|
|
close(Service)
|
|
gsub("^MV","")
|
|
|
|
# 445 == 44.5. 44 = 44. So only divide by ten if more than 2
|
|
# characters were returned. Note that it also returns 005 for 0.5
|
|
if (length >2) {
|
|
n=$0/10
|
|
} else {
|
|
n=$0
|
|
}
|
|
|
|
# 99 is "0" and 99.5 is "0.5" (somewhat audible). I shift
|
|
# everything by 1 because I prefer my lists to start at 0, not
|
|
# -1....
|
|
if (n==99 || n == 99.5) {
|
|
n-=99
|
|
} else {
|
|
n+=1
|
|
}
|
|
printf "volume.value %0.1f\n",n
|
|
}
|