10 squid_get_stats_internal() {
11 local host="$1" port="$2" url="$3"
12 squidclient -h $host -p $port $url
16 squid_get_stats_internal "$squid_host" "$squid_port" "$squid_url"
20 local host="127.0.0.1" port url x
24 for url in "cache_object://$host:$port/counters" "/squid-internal-mgr/counters"
26 x=$(squid_get_stats_internal "$host" "$port" "$url" | grep client_http.requests)
32 echo >&2 "squid: found squid at '$host:$port' with url '$url'"
38 echo >&2 "squid: cannot find squid running in localhost. Please set squid_url='url' and squid_host='IP' and squid_port='PORT' in $confd/squid.conf"
43 require_cmd squidclient || return 1
44 require_cmd sed || return 1
45 require_cmd egrep || return 1
47 if [ -z "$squid_host" -o -z "$squid_port" -o -z "$squid_url" ]
49 squid_autodetect || return 1
52 # check once if the url works
53 local x="$(squid_get_stats | grep client_http.requests)"
54 if [ ! $? -eq 0 -o -z "$x" ]
56 echo >&2 "squid: cannot fetch URL '$squid_url' by connecting to $squid_host:$squid_port. Please set squid_url='url' and squid_host='host' and squid_port='port' in $confd/squid.conf"
66 CHART squid.clients_net '' "Squid Client Bandwidth" "kilobits / sec" clients squid.clients.net area $((squid_priority + 1)) $squid_update_every
67 DIMENSION client_http_kbytes_in in incremental 8 1
68 DIMENSION client_http_kbytes_out out incremental -8 1
69 DIMENSION client_http_hit_kbytes_out hits incremental -8 1
71 CHART squid.clients_requests '' "Squid Client Requests" "requests / sec" clients squid.clients.requests line $((squid_priority + 3)) $squid_update_every
72 DIMENSION client_http_requests requests incremental 1 1
73 DIMENSION client_http_hits hits incremental 1 1
74 DIMENSION client_http_errors errors incremental -1 1
76 CHART squid.servers_net '' "Squid Server Bandwidth" "kilobits / sec" servers squid.servers.net area $((squid_priority + 2)) $squid_update_every
77 DIMENSION server_all_kbytes_in in incremental 8 1
78 DIMENSION server_all_kbytes_out out incremental -8 1
80 CHART squid.servers_requests '' "Squid Server Requests" "requests / sec" servers squid.servers.requests line $((squid_priority + 4)) $squid_update_every
81 DIMENSION server_all_requests requests incremental 1 1
82 DIMENSION server_all_errors errors incremental -1 1
90 # the first argument to this function is the microseconds since last update
91 # pass this parameter to the BEGIN statement (see bellow).
93 # do all the work to collect / calculate the values
95 # remember: KEEP IT SIMPLE AND SHORT
97 # 1. get the counters page from squid
98 # 2. sed to remove spaces; replace . with _; remove spaces around =; prepend each line with: local squid_
99 # 3. egrep lines starting with:
100 # local squid_client_http_ then one or more of these a-z 0-9 _ then = and one of more of 0-9
101 # local squid_server_all_ then one or more of these a-z 0-9 _ then = and one of more of 0-9
102 # 4. then execute this as a script with the eval
104 # be very carefull with eval:
105 # prepare the script and always grep at the end the lines that are usefull, so that
106 # even if something goes wrong, no other code can be executed
108 eval "$(squid_get_stats |\
109 sed -e "s/ \+/ /g" -e "s/\./_/g" -e "s/^\([a-z0-9_]\+\) *= *\([0-9]\+\)$/local squid_\1=\2/g" |\
110 egrep "^local squid_(client_http|server_all)_[a-z0-9_]+=[0-9]+$")"
112 # write the result of the work.
114 BEGIN squid.clients_net $1
115 SET client_http_kbytes_in = $squid_client_http_kbytes_in
116 SET client_http_kbytes_out = $squid_client_http_kbytes_out
117 SET client_http_hit_kbytes_out = $squid_client_http_hit_kbytes_out
120 BEGIN squid.clients_requests $1
121 SET client_http_requests = $squid_client_http_requests
122 SET client_http_hits = $squid_client_http_hits
123 SET client_http_errors = $squid_client_http_errors
126 BEGIN squid.servers_net $1
127 SET server_all_kbytes_in = $squid_server_all_kbytes_in
128 SET server_all_kbytes_out = $squid_server_all_kbytes_out
131 BEGIN squid.servers_requests $1
132 SET server_all_requests = $squid_server_all_requests
133 SET server_all_errors = $squid_server_all_errors