From 1082f94c34529ddebdfd7aadc6a79d9580b3eb79 Mon Sep 17 00:00:00 2001
From: WenMing <moonbingbing@gmail.com>
Date: Wed, 24 Jul 2019 20:48:45 +0800
Subject: [PATCH] removed useless code.

---
 lua/apisix/plugins/zipkin.lua         |  2 +-
 lua/apisix/plugins/zipkin/handler.lua | 41 ---------------------------
 2 files changed, 1 insertion(+), 42 deletions(-)
 delete mode 100644 lua/apisix/plugins/zipkin/handler.lua

diff --git a/lua/apisix/plugins/zipkin.lua b/lua/apisix/plugins/zipkin.lua
index d3d5488ee5acd..977a538131d9a 100644
--- a/lua/apisix/plugins/zipkin.lua
+++ b/lua/apisix/plugins/zipkin.lua
@@ -41,7 +41,7 @@ end
 
 
 local function create_tracer(conf)
-	local tracer = new_tracer(new_reporter(conf), new_random_sampler(conf))
+    local tracer = new_tracer(new_reporter(conf), new_random_sampler(conf))
 	tracer:register_injector("http_headers", zipkin_codec.new_injector())
 	tracer:register_extractor("http_headers", zipkin_codec.new_extractor())
 	return tracer
diff --git a/lua/apisix/plugins/zipkin/handler.lua b/lua/apisix/plugins/zipkin/handler.lua
deleted file mode 100644
index 2b2513fddd8bb..0000000000000
--- a/lua/apisix/plugins/zipkin/handler.lua
+++ /dev/null
@@ -1,41 +0,0 @@
-local new_tracer = require "opentracing.tracer".new
-local zipkin_codec = require "kong.plugins.zipkin.codec"
-local new_random_sampler = require "kong.plugins.zipkin.random_sampler".new
-local new_zipkin_reporter = require "kong.plugins.zipkin.reporter".new
-local OpenTracingHandler = require "kong.plugins.zipkin.opentracing"
-
--- Zipkin plugin derives from general opentracing one
-local ZipkinLogHandler = OpenTracingHandler:extend()
-ZipkinLogHandler.VERSION = "scm"
-
-function ZipkinLogHandler.new_tracer(conf)
-	local tracer = new_tracer(new_zipkin_reporter(conf), new_random_sampler(conf))
-	tracer:register_injector("http_headers", zipkin_codec.new_injector())
-	tracer:register_extractor("http_headers", zipkin_codec.new_extractor())
-	return tracer
-end
-
-local function log(premature, reporter)
-	if premature then
-		return
-	end
-
-	local ok, err = reporter:flush()
-	if not ok then
-		kong.log.err("reporter flush ", err)
-		return
-	end
-end
-
-function ZipkinLogHandler:log(conf)
-	ZipkinLogHandler.super.log(self, conf)
-
-	local tracer = self:get_tracer(conf)
-	local zipkin_reporter = tracer.reporter -- XXX: not guaranteed by opentracing-lua?
-	local ok, err = ngx.timer.at(0, log, zipkin_reporter)
-	if not ok then
-		kong.log.err("failed to create timer: ", err)
-	end
-end
-
-return ZipkinLogHandler