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1
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2 local pposix = assert(require "util.pposix");
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3
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4 local config_get = require "core.configmanager".get;
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5 local logger_set = require "util.logger".setwriter;
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6
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7 module.host = "*"; -- we're a global module
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8
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9 if not config_get("*", "core", "no_daemonize") then
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10 local function daemonize_server()
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11 local logwriter;
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12
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13 local logfilename = config_get("*", "core", "log");
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14 if logfilename then
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15 local logfile = io.open(logfilename, "a+");
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16 if logfile then
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17 local write, format, flush = logfile.write, string.format, logfile.flush;
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18 logwriter = function (name, level, message, ...)
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19 if ... then
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20 write(logfile, name, "\t", level, "\t", format(message, ...), "\n");
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21 else
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22 write(logfile, name, "\t" , level, "\t", message, "\n");
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23 end
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24 flush(logfile);
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25 end;
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26 end
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27 else
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28 log("debug", "No logging specified, will continue with default");
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29 end
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30
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31 local ok, ret = pposix.daemonize();
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32 if not ok then
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33 log("error", "Failed to daemonize: %s", ret);
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34 elseif ret and ret > 0 then
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35 log("info", "Daemonized to pid %d", ret);
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36 os.exit(0);
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37 else
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38 log("info", "Successfully daemonized");
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39
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40 if logwriter then
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41 local ok, ret = logger_set(logwriter);
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42 if not ok then
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43 log("error", "Couldn't set new log output: %s", ret);
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44 end
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45 end
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46
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47 end
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48 end
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49 module:add_event_hook("server-starting", daemonize_server);
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50 end
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