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annotate misc/systemd/socket-activation.lua @ 6171:fe8222112cf4

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mod_conversejs: Serve base app at / This makes things slightly less awkward for the browser to figure out which URLs belong to a PWA. The app's "start URL" was previously without the '/' and therefore was not considered within the scope of the PWA. Now the canonical app URL will always have a '/'. Prosody/mod_http should take care of redirecting existing links without the trailing / to the new URL. If you have an installation at https://prosody/conversejs then it is now at https://prosody/conversejs/ (the first URL will now redirect to the second URL if you use it). The alternative would be to make the PWA scope include the parent, i.e. the whole of https://prosody/ in this case. This might get messy if other PWAs are provided by the same site or Prosody installation, however.
author Matthew Wild <mwild1@gmail.com>
date Tue, 11 Feb 2025 13:18:38 +0000
parents 3296a09b4e57
children
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3296a09b4e57 misc/systemd: Experimental files for enabling socket activation
Kim Alvefur <zash@zash.se>
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1 -- Monkeypatch to support socket activation
3296a09b4e57 misc/systemd: Experimental files for enabling socket activation
Kim Alvefur <zash@zash.se>
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2 --
3296a09b4e57 misc/systemd: Experimental files for enabling socket activation
Kim Alvefur <zash@zash.se>
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3 -- Requires LuaSocket after "agnostic" changes merged
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4 --
3296a09b4e57 misc/systemd: Experimental files for enabling socket activation
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5 -- To enable:
3296a09b4e57 misc/systemd: Experimental files for enabling socket activation
Kim Alvefur <zash@zash.se>
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6 -- RunScript "socket-activation.lua"
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7
3296a09b4e57 misc/systemd: Experimental files for enabling socket activation
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8 local socket = require"socket";
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9 local tcp_serv_mt = debug.getregistry()["tcp{server}"];
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10 local socket_bind = socket.bind;
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11
3296a09b4e57 misc/systemd: Experimental files for enabling socket activation
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12 local SD_LISTEN_FDS_START = 3;
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13
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14 local fds = tonumber(os.getenv"LISTEN_FDS") or 0;
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15
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16 if fds < SD_LISTEN_FDS_START then return; end
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17
3296a09b4e57 misc/systemd: Experimental files for enabling socket activation
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18 local servs = {};
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19
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20 for i = 1, fds do
3296a09b4e57 misc/systemd: Experimental files for enabling socket activation
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21 local serv = socket.tcp();
3296a09b4e57 misc/systemd: Experimental files for enabling socket activation
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22 if serv:getfd() >= 0 then
3296a09b4e57 misc/systemd: Experimental files for enabling socket activation
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23 return; -- This won't work, we will leak the old FD
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24 end
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25 debug.setmetatable(serv, tcp_serv_mt);
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26 serv:setfd(SD_LISTEN_FDS_START + i - 1);
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27 local ip, port = serv:getsockname();
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28 servs [ ip .. ":" .. port ] = serv;
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29 end
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30
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31 function socket.bind( ip, port, backlog )
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32 local sock = servs [ ip .. ":" .. port ];
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33 if sock then
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34 servs [ ip .. ":" .. port ] = nil;
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35 return sock;
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36 end
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37 if next(servs) == nil then
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38 -- my work here is done
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39 socket.bind = socket_bind;
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40 end
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41 return socket_bind( ip, port, backlog );
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42 end