Software / code / prosody
Changeset
5503:91052e59375c
net.server.http: Ensure that event map cannot grow forever (limit to 10K wildcard-only entries)
| author | Matthew Wild <mwild1@gmail.com> |
|---|---|
| date | Mon, 22 Apr 2013 12:24:42 +0100 |
| parents | 5496:7a0b81b5ca71 |
| children | 5504:b760b5f0c2b0 |
| files | net/http/server.lua |
| diffstat | 1 files changed, 8 insertions(+), 0 deletions(-) [+] |
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--- a/net/http/server.lua Fri Apr 19 13:29:47 2013 +0100 +++ b/net/http/server.lua Mon Apr 22 12:24:42 2013 +0100 @@ -27,6 +27,8 @@ return wildcard_event:sub(1, -2) == event:sub(1, #wildcard_event-1); end +local recent_wildcard_events, max_cached_wildcard_events = {}, 10000; + local event_map = events._event_map; setmetatable(events._handlers, { __index = function (handlers, curr_event) @@ -58,6 +60,12 @@ handlers_array = false; end rawset(handlers, curr_event, handlers_array); + if not event_map[curr_event] then -- Only wildcard handlers match, if any + table.insert(recent_wildcard_events, curr_event); + if #recent_wildcard_events > max_cached_wildcard_events then + rawset(handlers, table.remove(recent_wildcard_events, 1), nil); + end + end return handlers_array; end; __newindex = function (handlers, curr_event, handlers_array)
