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util.helpers: when logging events, log individual handler calls

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This commit is contained in:
Matthew Wild 2020-09-03 13:00:43 +01:00
parent c909bca762
commit a5775893f5
1 changed files with 15 additions and 0 deletions
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15
util/helpers.lua
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@ -23,12 +23,27 @@ local function log_events(events, name, logger)
logger("debug", "%s firing event: %s", name, event);
return f(event, ...);
end
local function event_handler_hook(handler, event_name, event_data)
logger("debug", "calling handler for %s: %s", event_name, handler);
local ok, ret = pcall(handler, event_data);
if not ok then
logger("error", "error in event handler %s: %s", handler, ret);
error(ret);
end
if ret ~= nil then
logger("debug", "event chain ended for %s by %s with result: %s", event_name, handler, ret);
end
return ret;
end
events.set_debug_hook(event_handler_hook);
events[events.fire_event] = f;
return events;
end
local function revert_log_events(events)
events.fire_event, events[events.fire_event] = events[events.fire_event], nil; -- :))
events.set_debug_hook(nil);
end
local function log_host_events(host)