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1 -- mod_http_logging |
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2 -- |
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3 -- Copyright (C) 2015 Kim Alvefur |
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4 -- |
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5 -- Produces HTTP logs in the style of Apache |
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6 -- |
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7 -- TODO |
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8 -- * Configurable format? |
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9 |
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10 module:set_global(); |
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11 |
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12 local server = require "net.http.server"; |
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13 |
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14 local send_response = server.send_response; |
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15 local function log_and_send_response(response, body) |
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16 if not response.finished then |
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17 body = body or response.body; |
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18 local len = body and #body or "-"; |
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19 local request = response.request; |
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20 local ip = request.conn:ip(); |
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21 local req = string.format("%s %s HTTP/%s", request.method, request.path, request.httpversion); |
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22 local date = os.date("%d/%m/%Y:%H:%M:%S %z"); |
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23 module:log("info", "%s - - [%s] \"%s\" %d %s", ip, date, req, response.status_code, tostring(len)); |
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24 end |
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25 return server.send_response(response, body); |
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26 end |
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27 |
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28 if module.wrap_object_event then |
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29 -- Use object event wrapping, allows clean unloading of the module |
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30 module:wrap_object_event(server._events, false, function (handlers, event_name, event_data) |
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31 if event_data.response then |
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32 event_data.response.send = log_and_send_response; |
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33 end |
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34 return handlers(event_name, event_data); |
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35 end); |
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36 else |
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37 -- Fall back to monkeypatching, unlikely to behave nicely in the |
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38 -- presence of other modules also doing this |
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39 server.send_response = log_and_send_response; |
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40 function module.unload() |
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41 server.send_response = send_response; |
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42 end |
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43 end |