[GitHub] [apisix] spacewander commented on a change in pull request #4183: feat(ext-plugin): implement the http-req-call protocol

[GitBox <gi...@apache.org>]

spacewander commented on a change in pull request #4183:
URL: https://github.com/apache/apisix/pull/4183#discussion_r627021530



##########
File path: apisix/plugins/ext-plugin/init.lua
##########
@@ -152,6 +165,80 @@ end
 _M.receive = receive
 
 
+local generate_id
+do
+    local count = 0
+    local MAX_COUNT = lshift(1, 22)
+
+    function generate_id()
+        local wid = worker_id()
+        local id = lshift(wid, 22) + count
+        count = count + 1
+        if count == MAX_COUNT then
+            count = 0
+        end
+        return id
+    end
+end
+
+
+local encode_a6_method
+do
+    local map = {
+        GET = a6_method.GET,
+        HEAD = a6_method.HEAD,
+        POST = a6_method.POST,
+        PUT = a6_method.PUT,
+        DELETE = a6_method.DELETE,
+        MKCOL = a6_method.MKCOL,
+        COPY = a6_method.COPY,
+        MOVE = a6_method.MOVE,
+        OPTIONS = a6_method.OPTIONS,
+        PROPFIND = a6_method.PROPFIND,
+        PROPPATCH = a6_method.PROPPATCH,
+        LOCK = a6_method.LOCK,
+        UNLOCK = a6_method.UNLOCK,

Review comment:
       Those fields are copied from https://github.com/openresty/lua-nginx-module#http-method-constants




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