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-rw-r--r--util/helpers.lua15
1 files changed, 15 insertions, 0 deletions
diff --git a/util/helpers.lua b/util/helpers.lua
index 02257ffa..139b62ec 100644
--- a/util/helpers.lua
+++ b/util/helpers.lua
@@ -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)