{"action":"created","comment":{"url":"https://api.github.com/repos/pingcap/pd/pulls/comments/73269839","id":73269839,"diff_hunk":"@@ -199,33 +188,49 @@ func (s *Server) isClosed() bool {\n }\n \n // Run runs the pd server.\n-func (s *Server) Run() error {\n+func (s *Server) Run() {\n \t// We use \"127.0.0.1:0\" for test and will set correct listening\n \t// address before run, so we set leader value here.\n \ts.leaderValue = s.marshalLeader()\n \n \ts.wg.Add(1)\n-\tgo s.leaderLoop()\n+\ts.leaderLoop()\n+}\n \n-\tfor {\n-\t\tconn, err := s.listener.Accept()\n-\t\tif err != nil {\n-\t\t\tlog.Errorf(\"accept err %s\", err)\n-\t\t\tbreak\n-\t\t}\n+// ServeHTTP hijack the HTTP connection and switch to RPC.\n+func (s *Server) ServeHTTP(w http.ResponseWriter, r *http.Request) {\n+\thj, ok := w.(http.Hijacker)\n+\tif !ok {\n+\t\thttp.Error(w, \"server doesn't support hijacking\", http.StatusInternalServerError)\n+\t\treturn\n+\t}\n \n-\t\tc, err := newConn(s, conn)\n-\t\tif err != nil {\n-\t\t\tlog.Warn(err)\n-\t\t\tconn.Close()\n-\t\t\tcontinue\n-\t\t}\n+\tconn, bufrw, err := hj.Hijack()\n+\tif err != nil {\n+\t\thttp.Error(w, err.Error(), http.StatusInternalServerError)","path":"server/server.go","position":114,"original_position":114,"commit_id":"3f56296763502c2997f956dd014f22c55648cb08","original_commit_id":"3f56296763502c2997f956dd014f22c55648cb08","user":{"login":"qiuyesuifeng","id":1953644,"avatar_url":"https://avatars.githubusercontent.com/u/1953644?v=3","gravatar_id":"","url":"https://api.github.com/users/qiuyesuifeng","html_url":"https://github.com/qiuyesuifeng","followers_url":"https://api.github.com/users/qiuyesuifeng/followers","following_url":"https://api.github.com/users/qiuyesuifeng/following{/other_user}","gists_url":"https://api.github.com/users/qiuyesuifeng/gists{/gist_id}","starred_url":"https://api.github.com/users/qiuyesuifeng/starred{/owner}{/repo}","subscriptions_url":"https://api.github.com/users/qiuyesuifeng/subscriptions","organizations_url":"https://api.github.com/users/qiuyesuifeng/orgs","repos_url":"https://api.github.com/users/qiuyesuifeng/repos","events_url":"https://api.github.com/users/qiuyesuifeng/events{/privacy}","received_events_url":"https://api.github.com/users/qiuyesuifeng/received_events","type":"User","site_admin":false},"body":"Any need to let TiKV log this http response error information?","created_at":"2016-08-03T01:57:43Z","updated_at":"2016-08-03T01:57:43Z","html_url":"https://github.com/pingcap/pd/pull/241#discussion_r73269839","pull_request_url":"https://api.github.com/repos/pingcap/pd/pulls/241","_links":{"self":{"href":"https://api.github.com/repos/pingcap/pd/pulls/comments/73269839"},"html":{"href":"https://github.com/pingcap/pd/pull/241#discussion_r73269839"},"pull_request":{"href":"https://api.github.com/repos/pingcap/pd/pulls/241"}}},"pull_request":{"url":"https://api.github.com/repos/pingcap/pd/pulls/241","id":79685509,"html_url":"https://github.com/pingcap/pd/pull/241","diff_url":"https://github.com/pingcap/pd/pull/241.diff","patch_url":"https://github.com/pingcap/pd/pull/241.patch","issue_url":"https://api.github.com/repos/pingcap/pd/issues/241","number":241,"state":"open","locked":false,"title":"Embed RPC port to 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