| Overview |  |
Copyright © 2013-2021 Maas-Maarten Zeeman
Behaviours: gen_server.
Authors: Maas-Maarten Zeeman (mmzeeman@xs4all.nl).
| handle_call/3 | |
| handle_cast/2 | |
| handle_info/2 | |
| init/1 | |
| init_site/1 | Setup stats for each site. |
| init_system/0 | Initialize the statistics collection machinery. |
| log_access/1 | Collect log data from cowmachine and update cowmachine metrics. |
| record_count/4 | Count some amount, like data transfers. |
| record_duration/4 | Record a duration. |
| record_event/3 | Count a event. |
| start_link/1 | Start the log buffer consumer. |
| system_usage/1 |
handle_call(Cmd, From, State) -> any()
handle_cast(Cmd, State) -> any()
handle_info(X1, State) -> any()
init(Buffers) -> any()
init_site(Site) -> any()
Setup stats for each site.
init_system() -> any()
Initialize the statistics collection machinery.
log_access(MetricsData) -> any()
Collect log data from cowmachine and update cowmachine metrics
The log entry from zotonic_listen_http_metrics is: Log = #{
site => Site,
reason => Reason,
req_start => ReqStart,
duration_total_usec => DurationTotalUsec,
duration_process_usec => DurationProcessUsec,
resp_status => RespStatus,
resp_status_category => StatusCategory,
req_bytes => ReqBodyLength,
resp_bytes => RespBodyLength,
http_version => cowboy_req:version(Req),
method => cowboy_req:method(Req),
path => cowboy_req:path(Req),
user_agent => cowboy_req:header(<<"user-agent">>, Req),
referer => cowboy_req:header(<<"referer">>, Req),
metrics => UserData#{ peer_ip => PeerIP }
}
record_count(System, What, Count, Context) -> any()
Count some amount, like data transfers
record_duration(System, What, Duration, Context) -> any()
Record a duration
record_event(System, What, Context) -> any()
Count a event
start_link(Buffers) -> any()
Start the log buffer consumer.
system_usage(X1) -> any()
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