3 squid_url="http://127.0.0.1:8080/squid-internal-mgr/counters"
7 # check once if the url works
8 wget 2>/dev/null -O /dev/null "$squid_url"
11 echo >&2 "squid: cannot fetch the counters url: $squid_url. Please set squid_url='url' in $confd/squid.conf"
21 CHART squid.clients_net '' "Squid Client Bandwidth" "kilobits / $squid_update_every sec" squid '' area 20001 $squid_update_every
22 DIMENSION client_http_kbytes_in in incremental 8 1
23 DIMENSION client_http_kbytes_out out incremental -8 1
24 DIMENSION client_http_hit_kbytes_out hits incremental -8 1
26 CHART squid.clients_requests '' "Squid Client Requests" "requests / $squid_update_every sec" squid '' line 20003 $squid_update_every
27 DIMENSION client_http_requests requests incremental 1 1
28 DIMENSION client_http_hits hits incremental 1 1
29 DIMENSION client_http_errors errors incremental -1 1
31 CHART squid.servers_net '' "Squid Server Bandwidth" "kilobits / $squid_update_every sec" squid '' area 20002 $squid_update_every
32 DIMENSION server_all_kbytes_in in incremental 8 1
33 DIMENSION server_all_kbytes_out out incremental -8 1
35 CHART squid.servers_requests '' "Squid Server Requests" "requests / $squid_update_every sec" squid '' line 20004 $squid_update_every
36 DIMENSION server_all_requests requests incremental 1 1
37 DIMENSION server_all_errors errors incremental -1 1
45 # the first argument to this function is the microseconds since last update
46 # pass this parameter to the BEGIN statement (see bellow).
48 # do all the work to collect / calculate the values
50 # remember: KEEP IT SIMPLE AND SHORT
52 # 1. wget the counters page from squid
53 # 2. sed to remove spaces; replace . with _; remove spaces around =; prepend each line with: local squid_
54 # 3. egrep lines starting with:
55 # local squid_client_http_ then one or more of these a-z 0-9 _ then = and one of more of 0-9
56 # local squid_server_all_ then one or more of these a-z 0-9 _ then = and one of more of 0-9
57 # 4. then execute this as a script with the eval
59 # be very carefull with eval:
60 # prepare the script and always grep at the end the lines that are usefull, so that
61 # even if something goes wrong, no other code can be executed
63 eval "`wget 2>/dev/null -O - "$squid_url" |\
64 sed -e "s/ \+/ /g" -e "s/\./_/g" -e "s/ = /=/g" -e "s/^/local squid_/g" |\
65 egrep "^local squid_(client_http|server_all)_[a-z0-9_]+=[0-9]+$"`"
67 # write the result of the work.
69 BEGIN squid.clients_net $1
70 SET client_http_kbytes_in = $squid_client_http_kbytes_in
71 SET client_http_kbytes_out = $squid_client_http_kbytes_out
72 SET client_http_hit_kbytes_out = $squid_client_http_hit_kbytes_out
75 BEGIN squid.clients_requests $1
76 SET client_http_requests = $squid_client_http_requests
77 SET client_http_hits = $squid_client_http_hits
78 SET client_http_errors = $squid_client_http_errors
81 BEGIN squid.servers_net $1
82 SET server_all_kbytes_in = $squid_server_all_kbytes_in
83 SET server_all_kbytes_out = $squid_server_all_kbytes_out
86 BEGIN squid.servers_requests $1
87 SET server_all_requests = $squid_server_all_requests
88 SET server_all_errors = $squid_server_all_errors