[GitHub] [apisix] ranxuxin commented on a diff in pull request #9259: avoid creating the whole radixtree while changing one route

["ranxuxin (via GitHub)" <gi...@apache.org>]

ranxuxin commented on code in PR #9259:
URL: https://github.com/apache/apisix/pull/9259#discussion_r1160512693


##########
apisix/core/config_etcd.lua:
##########
@@ -463,6 +480,76 @@ local function sync_data(self)
         end
 
         self.conf_version = self.conf_version + 1
+
+        if self.key ~= "/apisix/routes" then
+            goto CONTINUE
+        end
+
+        local route
+        if res.value then
+            local status = table.try_read_attr(res, "value", "status")
+            if status and status == 0 then
+                goto CONTINUE
+            end
+
+            local filter_fun, err
+            if res.value.filter_func then
+                filter_fun, err = loadstring(
+                    "return " .. res.value.filter_func,
+                    "router#" .. res.value.id
+                )
+                if not filter_fun then
+                    log.error("failed to load filter function: ", err, " route id", res.value.id)
+                        goto CONTINUE
+                end
+
+                filter_fun = filter_fun()
+            end
+
+            route = {
+                id = res.value.id,
+                paths = res.value.uris or res.value.uri,
+                methods = res.value.methods,
+                priority = res.value.priority,
+                hosts = res.value.hosts or res.value.host,
+                remote_addrs = res.value.remote_addrs or res.value.remote_addr,
+                vars = res.value.vars,
+                filter_fun = filter_fun,
+                handler = function(api_ctx, match_opts)
+                    api_ctx.matched_params = nil
+                    api_ctx.matched_route = res
+                    api_ctx.curr_req_matched = match_opts.matched
+                end
+            }
+        end
+
+        local router_opts = {
+            no_param_match = true
+        }
+        local router_mod = require("apisix.router")
+        if op == 2 then
+            log.notice("create routes watched from etcd into radixtree.", json.encode(res))
+            err = router_mod.uri_router:add_route(route, router_opts)

Review Comment:
   add_route and other methods to operate radixtree is in this path apisix/deps/share/lua/5.1/resty/radixtree.lua .
   the source code is here.  https://pan.baidu.com/s/1L2dxC67PoaJ3brsF-sDDXQ    enter code: 6688 
   



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