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construct/modules/stats.cc
2019-08-03 15:00:47 -07:00

75 lines
1.3 KiB
C++

// Matrix Construct
//
// Copyright (C) Matrix Construct Developers, Authors & Contributors
// Copyright (C) 2016-2018 Jason Volk <jason@zemos.net>
//
// Permission to use, copy, modify, and/or distribute this software for any
// purpose with or without fee is hereby granted, provided that the above
// copyright notice and this permission notice is present in all copies. The
// full license for this software is available in the LICENSE file.
using namespace ircd;
mapi::header
IRCD_MODULE
{
"Prometheus Metrics"
};
resource
stats_resource
{
"/stats",
{
"Prometheus Metrics"
}
};
static resource::response
get__stats(client &,
const resource::request &);
resource::method
stats_get
{
stats_resource, "GET", get__stats
};
resource::response
get__stats(client &client,
const resource::request &request)
{
static const size_t buf_max
{
4096
};
char buf[buf_max];
std::stringstream out;
pubsetbuf(out, buf);
const time_t ts
{
ircd::time<milliseconds>()
};
out << "aio_requests_total"
<< ' ' << fs::aio::stats.requests
<< ' ' << ts
<< '\n';
out << "aio_requests_bytes_total"
<< ' ' << fs::aio::stats.bytes_requests
<< ' ' << ts
<< '\n';
const string_view output
{
view(out, buf)
};
return resource::response
{
client, output, "text/plain", http::OK
};
}