Atlas/examples/tutorial-query-time.lua at master · JavaDevelopRep/Atlas · GitHub

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--[[ $%BEGINLICENSE%$

This program is free software; you can redistribute it and/or

modify it under the terms of the GNU General Public License as

published by the Free Software Foundation; version 2 of the

License.

This program is distributed in the hope that it will be useful,

but WITHOUT ANY WARRANTY; without even the implied warranty of

MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the

GNU General Public License for more details.

You should have received a copy of the GNU General Public License

along with this program; if not, write to the Free Software

Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA

02110-1301 USA

$%ENDLICENSE%$ --]]

--[[

--]]

---

-- getting the query time

-- each injected query we send to the server has a start and end-time

-- * start-time: when we call proxy.queries:append()

-- * end-time: when we received the full result-set

-- @param packet the mysql-packet sent by the client

-- @return

-- * proxy.PROXY_SEND_QUERY to send the queries from the proxy.queries queue

function read_query( packet )

if packet:byte() == proxy.COM_QUERY then

print("we got a normal query: " .. packet:sub(2))

proxy.queries:append(1, packet, { resultset_is_needed = false} )

return proxy.PROXY_SEND_QUERY

end

---

-- read_query_result() is called when we receive a query result

-- from the server

-- inj.query_time is the query-time in micro-seconds

-- @return

-- * nothing or proxy.PROXY_SEND_RESULT to pass the result-set to the client

function read_query_result(inj)

print("query-time: " .. (inj.query_time / 1000) .. "ms")

print("response-time: " .. (inj.response_time / 1000) .. "ms")

end

Atlas/examples/tutorial-query-time.lua at master · JavaDevelopRep/Atlas · GitHub

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