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37 lines
1.4 KiB
Text
37 lines
1.4 KiB
Text
##! Provides an example of aggregating and limiting collection down to
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##! only local networks. Additionally, the status code for the response from
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##! the request is added into the metric.
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@load base/frameworks/metrics
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@load base/protocols/http
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@load base/utils/site
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redef enum Metrics::ID += {
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## Measures HTTP requests indexed on both the request host and the response
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## code from the server.
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HTTP_REQUESTS_BY_STATUS_CODE,
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## Currently unfinished and not working.
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HTTP_REQUESTS_BY_HOST_HEADER,
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};
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event bro_init()
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{
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# TODO: these are waiting on a fix with table vals + records before they will work.
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#Metrics::add_filter(HTTP_REQUESTS_BY_HOST_HEADER,
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# [$pred(index: Metrics::Index) = { return Site::is_local_addr(index$host); },
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# $aggregation_mask=24,
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# $break_interval=1min]);
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# Site::local_nets must be defined in order for this to actually do anything.
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Metrics::add_filter(HTTP_REQUESTS_BY_STATUS_CODE, [$aggregation_table=Site::local_nets_table,
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$break_interval=1min]);
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}
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event HTTP::log_http(rec: HTTP::Info)
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{
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if ( rec?$host )
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Metrics::add_data(HTTP_REQUESTS_BY_HOST_HEADER, [$str=rec$host], 1);
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if ( rec?$status_code )
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Metrics::add_data(HTTP_REQUESTS_BY_STATUS_CODE, [$host=rec$id$orig_h, $str=fmt("%d", rec$status_code)], 1);
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}
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