8 nc $squid_host $squid_port <<EOF
9 GET cache_object://$squid_host:$squid_port/counters HTTP/1.0
15 # check once if the url works
16 local x=`squid_get_stats | grep client_http.requests`
17 if [ ! $? -eq 0 -o -z "$x" ]
19 echo >&2 "squid: cannot fetch the counters from $squid_host:$squid_port. Please set squid_host='host' and squid_port='port' in $confd/squid.conf"
29 CHART squid.clients_net '' "Squid Client Bandwidth" "kilobits / $squid_update_every sec" squid '' area 20001 $squid_update_every
30 DIMENSION client_http_kbytes_in in incremental 8 $((1 * squid_update_every))
31 DIMENSION client_http_kbytes_out out incremental -8 $((1 * squid_update_every))
32 DIMENSION client_http_hit_kbytes_out hits incremental -8 $((1 * squid_update_every))
34 CHART squid.clients_requests '' "Squid Client Requests" "requests / $squid_update_every sec" squid '' line 20003 $squid_update_every
35 DIMENSION client_http_requests requests incremental 1 $((1 * squid_update_every))
36 DIMENSION client_http_hits hits incremental 1 $((1 * squid_update_every))
37 DIMENSION client_http_errors errors incremental -1 $((1 * squid_update_every))
39 CHART squid.servers_net '' "Squid Server Bandwidth" "kilobits / $squid_update_every sec" squid '' area 20002 $squid_update_every
40 DIMENSION server_all_kbytes_in in incremental 8 $((1 * squid_update_every))
41 DIMENSION server_all_kbytes_out out incremental -8 $((1 * squid_update_every))
43 CHART squid.servers_requests '' "Squid Server Requests" "requests / $squid_update_every sec" squid '' line 20004 $squid_update_every
44 DIMENSION server_all_requests requests incremental 1 $((1 * squid_update_every))
45 DIMENSION server_all_errors errors incremental -1 $((1 * squid_update_every))
53 # the first argument to this function is the microseconds since last update
54 # pass this parameter to the BEGIN statement (see bellow).
56 # do all the work to collect / calculate the values
58 # remember: KEEP IT SIMPLE AND SHORT
60 # 1. wget the counters page from squid
61 # 2. sed to remove spaces; replace . with _; remove spaces around =; prepend each line with: local squid_
62 # 3. egrep lines starting with:
63 # local squid_client_http_ then one or more of these a-z 0-9 _ then = and one of more of 0-9
64 # local squid_server_all_ then one or more of these a-z 0-9 _ then = and one of more of 0-9
65 # 4. then execute this as a script with the eval
67 # be very carefull with eval:
68 # prepare the script and always grep at the end the lines that are usefull, so that
69 # even if something goes wrong, no other code can be executed
71 eval "`squid_get_stats |\
72 sed -e "s/ \+/ /g" -e "s/\./_/g" -e "s/^\([a-z0-9_]\+\) *= *\([0-9]\+\)$/local squid_\1=\2/g" |\
73 egrep "^local squid_(client_http|server_all)_[a-z0-9_]+=[0-9]+$"`"
75 # write the result of the work.
77 BEGIN squid.clients_net $1
78 SET client_http_kbytes_in = $squid_client_http_kbytes_in
79 SET client_http_kbytes_out = $squid_client_http_kbytes_out
80 SET client_http_hit_kbytes_out = $squid_client_http_hit_kbytes_out
83 BEGIN squid.clients_requests $1
84 SET client_http_requests = $squid_client_http_requests
85 SET client_http_hits = $squid_client_http_hits
86 SET client_http_errors = $squid_client_http_errors
89 BEGIN squid.servers_net $1
90 SET server_all_kbytes_in = $squid_server_all_kbytes_in
91 SET server_all_kbytes_out = $squid_server_all_kbytes_out
94 BEGIN squid.servers_requests $1
95 SET server_all_requests = $squid_server_all_requests
96 SET server_all_errors = $squid_server_all_errors