feat: record which matches the current request.

Author: johzchen

lib/resty/radixtree.lua

@@ -529,6 +529,10 @@ local function match_route_opts(route, opts, ...)
         end
     end
 
+    if opts.matched ~= nil then
+        opts.matched._method = method
+    end
+
     local matcher_ins = route.matcher_ins
     if matcher_ins then
         local ok, err = matcher_ins:match(opts.remote_addr)
@@ -554,6 +558,9 @@ local function match_route_opts(route, opts, ...)
         if reverse_host then
             for i = 1, #hosts, 2 do
                 if match_host(hosts[i], hosts[i + 1], reverse_host) then
+                    if opts.matched ~= nil then
+                        opts.matched._host = hosts[i + 1]:reverse()
+                    end
                     matched = true
                     break
                 end
@@ -571,6 +578,9 @@ local function match_route_opts(route, opts, ...)
         local uris = route.uris
         for i = 1, #uris, 2 do
             if match_uri(uris[i], uris[i + 1], opts.uri) then
+                if opts.matched ~= nil then
+                    opts.matched._uri = uris[i + 1]
+                end
                 matched = true
                 break
             end

t/parameter.t

@@ -168,3 +168,36 @@ GET /t
 --- response_body
 match meta: nil
 matched: {}
+
+
+
+=== TEST 6: /name/:name/id/:id
+--- config
+    location /t {
+        content_by_lua_block {
+            local json = require("cjson.safe")
+            local radix = require("resty.radixtree")
+            local rx = radix.new({
+                {
+                    paths = {"/aa/*", "/bb/cc/*", "/dd/ee/index.html"},
+                    uris = {"/aa/*", "/bb/cc/*", "/dd/ee/index.html"},
+                    methods = {"GET", "POST", "PUT"},
+                    hosts = {"foo.com", "*.bar.com"},
+                    metadata = "metadata /asf",
+                },
+            })
+
+            local opts = {matched = {}, method = "GET", uri = "/bb/cc/xx", host = "foo.com"}
+            local meta = rx:match("/bb/cc/xx", opts)
+            ngx.say("match meta: ", meta)
+            ngx.say("matched: ", json.encode(opts.matched))            
+
+        }
+    }
+--- request
+GET /t
+--- no_error_log
+[error]
+--- response_body
+match meta: metadata /asf
+matched: {"_uri":"\/bb\/cc\/",":ext":"xx","_method":"GET","_host":"foo.com"}