mod_debug_traceback: Remove direct POSIX signal handling, require Prosody 0.12+
Hooking an event is safer than directly hooking signals
For context see Prosody trunk rev 69faf3552d52
local bytes = module:measure("bytes", "sizes");
local lines = module:measure("lines", "distribution");
local words = module:measure("words", "distribution");
local function measure_length(event)
local body = event.stanza:get_child_text("body");
if body then
bytes(#body);
lines(select(2, body:gsub("[^\n]+","")));
words(select(2, body:gsub("%S+","")));
end
end
module:hook("message/full", measure_length);
module:hook("message/bare", measure_length);
module:hook("message/host", measure_length);
module:hook("pre-message/full", measure_length);
module:hook("pre-message/bare", measure_length);
module:hook("pre-message/host", measure_length);