mod_stanza_counter/mod_stanza_counter_http.lua
author Marco Cirillo <maranda@lightwitch.org>
Tue, 20 Sep 2011 23:16:32 +0000
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permissions -rw-r--r--
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-- (C) 2011, Marco Cirillo (LW.Org)
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-- Exposes stats on HTTP for the stanza counter module.
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module:set_global()
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local ports = module:get_option_array("stanza_counter_http_ports" or {{ port = 5280 }})
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local httpserver = require "net.httpserver"
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-- http handlers
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local r_200 = "\n<html>\n<head>\n<title>Prosody's Stanza Counter</title>\n<meta name=\"robots\" content=\"noindex, nofollow\" />\n</head>\n\n<body>\n<h3>Incoming and Outgoing stanzas divided per type</h3>\n<p><strong>Incoming IQs</strong>: %d<br/>\n<strong>Outgoing IQs</strong>: %d<br/>\n<strong>Incoming Messages</strong>: %d<br/>\n<strong>Outgoing Messages</strong>: %d<br/>\n<strong>Incoming Presences</strong>: %d<br/>\n<strong>Outgoing Presences</strong>: %d<p>\n</body>\n\n</html>\n"
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local r_err = "\n<html>\n<head>\n<title>Prosody's Stanza Counter - Error %s</title>\n<meta name=\"robots\" content=\"noindex, nofollow\" />\n</head>\n\n<body>\n<h3>%s</h3>\n</body>\n\n</html>\n"
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local function res(code, r, h)
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	local response = {
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		status = code;
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		body = r;
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		}
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        if h then response.headers = h; end
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        return response
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end
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local function req(method, body, request)
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	if not prosody.stanza_counter then
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		local err500 = r_err:format("500", "Stats not found, is the counter module loaded?")
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		return res(500, err500)
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	if method == "GET" then
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		local forge_res = r_200:format(prosody.stanza_counter.iq["incoming"],
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					       prosody.stanza_counter.iq["outgoing"],
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					       prosody.stanza_counter.message["incoming"],
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					       prosody.stanza_counter.message["outgoing"],
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					       prosody.stanza_counter.presence["incoming"],
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					       prosody.stanza_counter.presence["outgoing"]);
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		return res(200, forge_res)
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	else
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		local err405 = r_err:format("405", "Only GET is supported")
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		return res(405, err405, {["Allow"] = "GET"})
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	end
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end
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-- initialization.
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-- init http interface
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local function setup()
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	httpserver.new_from_config(ports, req, { base = "stanza-counter" })
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end
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-- hook server started
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module:hook("server-started", setup)