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authorMatthew Wild <mwild1@gmail.com>2012-04-23 21:29:18 +0100
committerMatthew Wild <mwild1@gmail.com>2012-04-23 21:29:18 +0100
commitf2b41269670e6947a2f43c3d793cac9b56bccf02 (patch)
treee5517b661415c544e1c1e00f6e54c98034e3cf55 /net
parentf28df31a1bdc6546b271c67f2b11185f9fc39583 (diff)
downloadprosody-f2b41269670e6947a2f43c3d793cac9b56bccf02.tar.gz
prosody-f2b41269670e6947a2f43c3d793cac9b56bccf02.zip
net.http.server: Support for wildcard events (events that end with '/*')
Diffstat (limited to 'net')
-rw-r--r--net/http/server.lua51
1 files changed, 51 insertions, 0 deletions
diff --git a/net/http/server.lua b/net/http/server.lua
index 3a0cb53a..94487e5e 100644
--- a/net/http/server.lua
+++ b/net/http/server.lua
@@ -22,6 +22,57 @@ local handlers = {};
local listener = {};
+local function is_wildcard_event(event)
+ return event:sub(-2, -1) == "/*";
+end
+local function is_wildcard_match(wildcard_event, event)
+ log("debug", "comparing %q with %q", wildcard_event:sub(1, -2), event:sub(1, #wildcard_event-1));
+ return wildcard_event:sub(1, -2) == event:sub(1, #wildcard_event-1);
+end
+
+local event_map = events._event_map;
+setmetatable(events._handlers, {
+ __index = function (handlers, curr_event)
+ if is_wildcard_event(curr_event) then return; end -- Wildcard events cannot be fired
+ -- Find all handlers that could match this event, sort them
+ -- and then put the array into handlers[event]
+ local matching_handlers_set = {};
+ local handlers_array = {};
+ for event, handlers_set in pairs(event_map) do
+ if event == curr_event or
+ is_wildcard_event(event) and is_wildcard_match(event, curr_event) then
+ for handler, priority in pairs(handlers_set) do
+ matching_handlers_set[handler] = { (select(2, event:gsub("/", "%1"))), priority };
+ table.insert(handlers_array, handler);
+ end
+ end
+ end
+ if #handlers_array == 0 then return; end
+ table.sort(handlers_array, function(b, a)
+ local a_score, b_score = matching_handlers_set[a], matching_handlers_set[b];
+ for i = 1, #a_score do
+ if a ~= b then -- If equal, compare next score value
+ return a_score[i] < b_score[i];
+ end
+ end
+ return false;
+ end);
+ handlers[curr_event] = handlers_array;
+ return handlers_array;
+ end;
+ __newindex = function (handlers, curr_event, handlers_array)
+ if handlers_array == nil
+ and is_wildcard_event(curr_event) then
+ -- Invalidate all matching
+ for event in pairs(handlers) do
+ if is_wildcard_match(curr_event, event) then
+ handlers[event] = nil;
+ end
+ end
+ end
+ end;
+});
+
local handle_request;
local _1, _2, _3;
local function _handle_request() return handle_request(_1, _2, _3); end