{"id":1041,"date":"2013-11-20T10:48:59","date_gmt":"2013-11-20T02:48:59","guid":{"rendered":"http:\/\/www.dogeye.net\/?p=1041"},"modified":"2013-11-20T10:48:59","modified_gmt":"2013-11-20T02:48:59","slug":"%e6%98%a8%e5%a4%a9%e8%a7%a3%e5%86%b3%e4%ba%86tcpcopy%e7%9a%84%e4%b8%80%e4%b8%aa%e5%b0%8f%e5%8d%b4%e5%be%88%e9%87%8d%e8%a6%81%e7%9a%84bug","status":"publish","type":"post","link":"https:\/\/ykyi.net\/?p=1041","title":{"rendered":"\u6628\u5929\u89e3\u51b3\u4e86tcpcopy\u7684\u4e00\u4e2a\u5c0f\u5374\u5f88\u91cd\u8981\u7684bug."},"content":{"rendered":"

tcpcopy\u7684\u57fa\u7840\u51fd\u6570\u6709\u4e2abug\uff0c\u6d41\u91cf\u6bd4\u8f83\u5927\u7684\u65f6\u5019\uff0c\u5185\u6838buffer\u6ee1\u4e86\u3002send\u7cfb\u7edf\u8c03\u7528\u53d1\u4e0d\u5b8c\u7528\u6237\u7f13\u51b2\u4e2d\u7684\u6570\u636e\u624d\u4f1a\u51fa\u73b0\u3002\u7136\u540e\u52a0\u5165\u4e86tcpcopy\u7684QQ\u7fa4\uff0c\u548c\u4f5c\u8005\u7a0d\u7a0d\u8ba8\u8bba\u4e86\u4e00\u70b9\u65f6\u95f4\u3002\u95ee\u4e86\u5173\u4e8e\u5199\u8bba\u6587\u548ctc_session.c\u8fc7\u4e8e\u590d\u6742\u7684\u95ee\u9898\u3002<\/span><\/p>\n

(wangb) 10:00:55 
\n\thttps:\/\/github.com\/\/tcpcopy\/pull\/162
\n\t(wangb) 10:01:04 
\n\tThe bug arises when send system call returns with part of data transfered
\n\tand part of data still need to be sent again.
\n\t(wangb) 10:01:13 
\n\t\u5e38\u89c1\u4e8e\u538b\u529b\u6bd4\u8f83\u5927\u7684\u573a\u5408
\n\t(wangb) 10:02:14 
\n\t\u5f53\u7136\u5982\u679c\u7cfb\u7edf\u53c2\u6570\u8bbe\u7f6e\u597d\u7684\u8bdd\uff0c\u8fd9\u6837\u7684\u60c5\u51b5\u4e0d\u5e38\u89c1\u3002\u8fd9\u4e5f\u662f\u4e3a\u5565\u6211\u8fd9\u8fb9\u65e0\u6cd5\u91cd\u73b0\u7684\u539f\u56e0\u6240\u5728
\n\t(wangb) 10:02:46 
\n\t\u5f53\u7136\u6628\u5929\u5728\u5f00\u53d1gryphon\uff0c\u8c8c\u4f3c\u9047\u5230\u8fc7\u4e00\u6b21
\n\t(wangb) 10:03:06 
\n\tgryphon\u7ed9\u7684\u538b\u529b\uff0c\u6709\u65f6\u5019\u771f\u4e0d\u662f\u4e00\u822c\u5feb\u548c\u5927
\n\tsiu1ooooooo(16236914) 10:03:14 
\n\t\u6211\u5728tcpcopy\u4e0a\u4f5c\u4e8c\u6b21\u5f00\u53d1\u3002\u78b0\u5230\u4e86\u4e2abug\uff0c\u6700\u540e\u8ffd\u8e2a\u5230\u4e86 tc_socket_send\u51fd\u6570\u3002
\n\tsiu1ooooooo(16236914) 10:03:52 
\n\t\u6d41\u91cf\u6bd4\u8f83\u5927\u7684\u65f6\u5019\uff0c\u5185\u6838buffer\u6ee1\u4e86\u3002send\u7cfb\u7edf\u8c03\u7528\u53d1\u4e0d\u5b8c\u7528\u6237\u7f13\u51b2\u4e2d\u7684\u6570\u636e\u624d\u4f1a\u51fa\u73b0\u3002
\n\tsiu1ooooooo(16236914) 10:05:21 
\n\t\u5e0c\u671b\u80fd\u8d21\u732e\u66f4\u591a\u4ee3\u7801\u7684\u3002\u3002\u4f46\u662ftc_session.c\u8fd9\u4e2a\u6a21\u62dftcp\u72b6\u6001\u673a\u7684\u4ee3\u7801\u592a\u96be\u770b\u61c2\u4e86\u3002
\n\t(wangb) 10:05:49 
\n\t\u6709\u4e9bbug\uff0c\u7a0b\u5e8f\u5458\u81ea\u8eab\u5f88\u96be\u53d1\u73b0\uff0c\u5f80\u5f80\u9700\u8981\u4f9d\u8d56\u4e8e\u7528\u6237\u7684\u53cd\u9988\uff0c\u5f53\u7136\u6709\u4e0a\u9762\u7684bug\u63d0\u51fa\uff0c\u5c31\u66f4\u597d\u4e86
\n\ttc_session.c\u8fd9\u4e2a\u6a21\u62dftcp\u72b6\u6001\u673a\uff0c\u5176\u5b9e\u4e0d\u4ec5\u6a21\u62dftcp\u72b6\u6001\u673a\uff0c\u800c\u4e3a\u590d\u6742\u7684\u662f\u6a21\u62df\u4e0a\u5c42\u5e94\u7528\u4ea4\u4e92
\n\t\u5149\u6a21\u62dftcp\u72b6\u6001\u673a\uff0c\u662f\u8fdc\u8fdc\u4e0d\u591f\u7684
\n\tsiu1ooooooo(16236914) 10:07:27 
\n\t\u6709\u4e2a\u60f3\u6cd5\uff0c \u628aTCP\u768411\u4e2a\u6807\u51c6\u72b6\u6001\u52a0\u5165\u5230tc_session\u4e2d\u3002\u53ef\u4e0d\u53ef\u4ee5\u505a\u7684\u3002.
\n\t(wangb) 10:09:13 
\n\t\u6570\u636e\u662f\u6b7b\u7684\uff0c\u4f46\u6d4b\u8bd5\u670d\u52a1\u5668\u662f\u6d3b\u7684\u3002\u5e94\u8be5\u53ef\u4ee5\u5427\uff0c\u4f46\u52a0\u5165\u53ef\u80fd\u4f1a\u66f4\u590d\u6742\u3002tc_session.c\u8fd9\u4e2a\u4f1a\u8fdb\u4e00\u6b65\u6539\u8fdb\u7684\uff0c\u4ee3\u7801\u9700\u7b80\u5316\u548c\u529f\u80fd\u9700\u72ec\u7acb\uff0c\u4f7f\u5176\u6613\u61c2
\n\tsiu1ooooooo(16236914) 10:09:31 
\n\t\ud83d\ude42
\n\t(wangb) 10:10:33 
\n\t2010\uff5e2012.5\u6708\uff0c\u521d\u6b65\u63a2\u7d22\u9636\u6bb5\uff1b2012.5\uff5e2014.5\uff0c\u4e3a\u8fdb\u4e00\u6b65\u63a2\u7d22\u9636\u6bb5 2014.5\uff5e\u4ee5\u540e\uff0c\u8fdb\u4e00\u6b65\u4f18\u5316
\n\t\u56e0\u4e3atcpcopy\u521a\u5f00\u59cb\uff0c\u5f00\u53d1\u4eba\u5458\u662f\u65e0\u6cd5\u77e5\u9053\u590d\u6742\u7684\u4e92\u8054\u7f51\u7684\u5404\u79cd\u5e94\u7528\u7684\u7279\u6027\u7684\uff0c\u53ea\u6709\u79ef\u7d2f\u5230\u4e00\u5b9a\u7a0b\u5ea6\uff0c\u624d\u80fd\u8fdb\u4e00\u6b65\u4f18\u5316\u3002\u4e0e\u5176\u8bf4\u662f\u5f00\u53d1\uff0c\u4e0d\u5982\u8bf4\u662f\u63a2\u7d22
\n\tsiu1ooooooo(16236914) 10:12:10 
\n\t\u671f\u5f85\u5de5\u7a0bpaper  
\n\tsiu1ooooooo(16236914) 10:12:43 
\n\ttcpcopy\u7a33\u5b9a\u5230\u4e86\u4e00\u4e2a\u7248\u672c\u3002\u5148\u522b\u52a0\u529f\u80fd\u4e86\u3002\u5199paper\u5427  
\n\tsiu1ooooooo(16236914) 10:13:01 
\n\t\u6295\u4e2dEI\u5e94\u8be5\u95ee\u9898\u4e0d\u5927\u3002
\n\tsiu1ooooooo(16236914) 10:13:55 
\n\t\u4e2d\u4e86paper\uff0c\u8d21\u732e\u8005\u4f1a\u8fc5\u901f\u589e\u591a\u3002
\n\twangb() 10:15:43 
\n\t\u5176\u5b9e\u5199\u8fc7sigcomm\u8bba\u6587\uff0c\u4f46\u88ab\u62d2\uff0c\u8bf4\u5e94\u8be5\u6295USENIX ATC
\n\twangb() 10:16:18 
\n\tI don't think that the research contribution of the paper is a good match for Sigcomm. Perhaps it would be a better match for 
\n\ta more practice-oriented conference like USENIX ATC. 
\n\tsiu1ooooooo(16236914) 10:16:50 
\n\t\u540e\u6765\u5462
\n\twangb() 10:17:05 
\n\t\u786e\u5b9e\uff0ctcpcopy\u662f\u57fa\u4e8e\u5b9e\u8df5\u7684\uff0c\u4ece\u5b9e\u8df5\u4e2d\u6478\u7d22\u722c\u884c\u7684\u3002\u540e\u6765\u6211\u5c31\u5148\u4e0d\u5199\u8bba\u6587\u4e86
\n\tsiu1ooooooo(16236914) 10:17:22 
\n\t\u55ef\u3002\u8fd9\u662f\u4e2a\u5de5\u7a0b\u5b9e\u8df5\u6027\u5f88\u5f3a\u7684\u63a2\u7d22\u554a
\n\twangb() 10:17:27 
\n\t\u8981\u5199\u8bba\u6587\uff0c\u5fc5\u987b\u8981\u6709\u6761\u4ef6
\n\tsiu1ooooooo(16236914) 10:17:45 
\n\t\u5594\u3002
\n\twangb() 10:18:06 
\n\t\u4ece\u4ea4\u6362\u673a\u6216\u8005\u5176\u5b83\u8bbe\u5907\u3002\u955c\u50cf\u8fc7\u6765\uff0c\u8fd9\u6837\u6d4b\u8bd5\u7cfb\u7edf\u548c\u5728\u7ebf\u7cfb\u7edf\u5c31\u6ca1\u6709\u5173\u8054\uff0c\u8fd9\u6837\u7684\u8bba\u6587\u662f\u80fd\u591f\u4e2dUSENIX ATC
\n\t\u7684
\n\twangb() 10:19:13 
\n\ttcpcopy\u6700\u9ad8\u7aef\u7684\u5e94\u7528\uff0c\u5c31\u662f\u5728\u4ea4\u6362\u673a\uff0c\u5229\u7528\u5206\u5149\u955c\u6216\u8005\u5176\u5b83\u955c\u50cf\u8bbe\u5907\uff0c\u5229\u7528\u9ad8\u6027\u80fd\u786c\u4ef6\uff0c\u628a\u7528\u6237\u7684\u8bf7\u6c42\u6570\u636e\u5305\u590d\u5236\u7ed9\u6d4b\u8bd5\u7cfb\u7edf\uff0c\u53ef\u60dc\u6211\u6ca1\u6709\u8fd9\u6837\u7684\u6761\u4ef6
\n\twangb() 10:19:38 
\n\t\u8981\u662f\u6709\u8fd9\u6837\u7684\u6761\u4ef6\uff0c\u6211\u80af\u5b9a\u8981\u5199\u8bba\u6587\u4e86
\n\tsiu1ooooooo(16236914) 10:19:55 
\n\t\u5443\u3002\u3002\u6ca1\u600e\u4e48\u770b\u61c2  
\n\tsiu1ooooooo(16236914) 10:21:49 
\n\t\u662f\u8bf4\u590d\u5236\u7684\u6d41\u91cf\u8981\u975e\u5e38\u975e\u5e38\u5927\u624d\u80fd\u4e2d\u8bba\u6587\u4e48
\n\tsiu1ooooooo(16236914) 10:21:59 
\n\t\u800c\u975e\u5e38\u5927\u7684\u6d41\u91cf\u9700\u6c42\u786c\u4ef6\u652f\u6301
\n\twangb() 10:22:02 
\n\ttwitter\u68a6\u60f3\u7684\u6d4b\u8bd5\u73af\u5883\uff0c\u5176\u5b9e\u5b8c\u5168\u53ef\u4ee5\u7528\u6211\u4eec\u7684tcpcopy\u6765\u5b9e\u73b0\u3002\u4ea4\u6362\u673a\u4e0a\u9762\u4e0d\u662f\u6709\u6765\u6765\u5f80\u5f80\u7684\u6570\u636e\u5305\u5417\uff1f\u5728\u90a3\u4e0a\u9762\u628a\u8bf7\u6c42\u6570\u636e\u5305\u955c\u50cf\u5230\u6d4b\u8bd5\u7cfb\u7edf\uff0c\u6d4b\u8bd5\u7cfb\u7edf\u642d\u4e00\u4e2a\u8ddf\u5728\u7ebf\u7c7b\u4f3c\u7684\u5b8c\u6574\u7cfb\u7edf\uff0c\u8fd9\u6837\u6d4b\u8bd5\u7cfb\u7edf\u8ddf\u5728\u7ebf\u7cfb\u7edf\u627f\u53d7\u7c7b\u4f3c\u7684\u538b\u529b
\n\twangb() 10:22:17 
\n\t\u9ad8\u7aef\u5927\u6c14\uff0c\u624d\u80fd\u4e2d\u8bba\u6587
\n\twangb() 10:22:48 
\n\t\u5c4c\u4e1d\u73af\u5883\uff0c\u5199\u8bba\u6587\uff0c\u8fd8\u4e0d\u88ab\u6279\u554a
\n\tsiu1ooooooo(16236914) 10:23:14 
\n\t\u5443\u3002\u662f \u3002\u3002\u3002\u660e\u767d\u4e86\u3002\u3002\u60f3\u8d77\u4ee5\u524d\u5b66\u6821\u7684\u4e8b\u60c5\uff0c\u61c2\u4e86\u3002
\n\twangb() 10:24:38 
\n\t\u603b\u4e4b\uff0ctcpcopy\u503c\u5f97\u4f60\u53bb\u7814\u7a76\uff0c\u671f\u671b\u6709\u66f4\u591a\u63a5\u73ed\u4eba\u628a\u601d\u60f3\u4f20\u627f\u4e0b\u53bb\uff0c\u4ee3\u7801\u53ef\u4ee5\u63a8\u6389\u91cd\u6765
\n\twangb() 10:25:10 
\n\t\u53ea\u8981tcp\u534f\u8bae\u8fd8\u5b58\u5728\uff0c\u8fd9\u4e2a\u601d\u60f3\uff0c\u5e94\u8be5\u662f\u6700\u5148\u8fdb\u7684\uff0c\u65e0\u6cd5\u518d\u5148\u8fdb\u4e86
\n\tsiu1ooooooo(16236914) 10:26:11 
\n\t\u9700\u8981\u597d\u591a\u7684\u5f00\u53d1\u65f6\u95f4\u554a\u3002..\u55ef\u3002\u5148\u4e0a\u73ed\u4e86\u554a\u3002\u591a\u8c22wangbin….
\n\twangb() 10:27:16 
\n\t\u6162\u6162\u6765\uff0c\u8fd9\u65b9\u9762\u53cd\u6b63\u56fd\u5916\u6ca1\u6709\u4eba\u505a<\/span><\/p>\n

copyright ykyi.net<\/span><\/p>\n","protected":false},"excerpt":{"rendered":"

tcpcopy\u7684\u57fa\u7840\u51fd\u6570\u6709\u4e2abug\uff0c\u6d41\u91cf\u6bd4\u8f83\u5927\u7684\u65f6\u5019\uff0c\u5185\u6838buffer\u6ee1\u4e86\u3002send\u7cfb\u7edf\u8c03\u7528\u53d1\u4e0d\u5b8c\u7528\u6237\u7f13\u51b2\u4e2d\u7684\u6570\u636e\u624d\u4f1a\u51fa\u73b0\u3002\u7136\u540e\u52a0\u5165\u4e86tcpcopy\u7684QQ\u7fa4\uff0c\u548c\u4f5c\u8005\u7a0d\u7a0d\u8ba8\u8bba\u4e86\u4e00\u70b9\u65f6\u95f4\u3002\u95ee\u4e86\u5173\u4e8e\u5199\u8bba\u6587\u548ctc_session.c\u8fc7\u4e8e\u590d\u6742\u7684\u95ee\u9898\u3002 (wangb) 10:00:55  https:\/\/github.com\/\/tcpcopy\/pull\/162 (wangb) 10:01:04  The bug arises when send system call returns with part of data transfered and part of data still need to be sent again. (wangb) 10:01:13  \u5e38\u89c1\u4e8e\u538b\u529b\u6bd4\u8f83\u5927\u7684\u573a\u5408 (wangb) 10:02:14  \u5f53\u7136\u5982\u679c\u7cfb\u7edf\u53c2\u6570\u8bbe\u7f6e\u597d\u7684\u8bdd\uff0c\u8fd9\u6837\u7684\u60c5\u51b5\u4e0d\u5e38\u89c1\u3002\u8fd9\u4e5f\u662f\u4e3a\u5565\u6211\u8fd9\u8fb9\u65e0\u6cd5\u91cd\u73b0\u7684\u539f\u56e0\u6240\u5728 (wangb) 10:02:46  \u5f53\u7136\u6628\u5929\u5728\u5f00\u53d1gryphon\uff0c\u8c8c\u4f3c\u9047\u5230\u8fc7\u4e00\u6b21 (wangb) 10:03:06  gryphon\u7ed9\u7684\u538b\u529b\uff0c\u6709\u65f6\u5019\u771f\u4e0d\u662f\u4e00\u822c\u5feb\u548c\u5927 siu1ooooooo(16236914) 10:03:14  \u6211\u5728tcpcopy\u4e0a\u4f5c\u4e8c\u6b21\u5f00\u53d1\u3002\u78b0\u5230\u4e86\u4e2abug\uff0c\u6700\u540e\u8ffd\u8e2a\u5230\u4e86 tc_socket_send\u51fd\u6570\u3002 siu1ooooooo(16236914) 10:03:52  \u6d41\u91cf\u6bd4\u8f83\u5927\u7684\u65f6\u5019\uff0c\u5185\u6838buffer\u6ee1\u4e86\u3002send\u7cfb\u7edf\u8c03\u7528\u53d1\u4e0d\u5b8c\u7528\u6237\u7f13\u51b2\u4e2d\u7684\u6570\u636e\u624d\u4f1a\u51fa\u73b0\u3002 siu1ooooooo(16236914) 10:05:21  \u5e0c\u671b\u80fd\u8d21\u732e\u66f4\u591a\u4ee3\u7801\u7684\u3002\u3002\u4f46\u662ftc_session.c\u8fd9\u4e2a\u6a21\u62dftcp\u72b6\u6001\u673a\u7684\u4ee3\u7801\u592a\u96be\u770b\u61c2\u4e86\u3002 (wangb) 10:05:49  \u6709\u4e9bbug\uff0c\u7a0b\u5e8f\u5458\u81ea\u8eab\u5f88\u96be\u53d1\u73b0\uff0c\u5f80\u5f80\u9700\u8981\u4f9d\u8d56\u4e8e\u7528\u6237\u7684\u53cd\u9988\uff0c\u5f53\u7136\u6709\u4e0a\u9762\u7684bug\u63d0\u51fa\uff0c\u5c31\u66f4\u597d\u4e86 tc_session.c\u8fd9\u4e2a\u6a21\u62dftcp\u72b6\u6001\u673a\uff0c\u5176\u5b9e\u4e0d\u4ec5\u6a21\u62dftcp\u72b6\u6001\u673a\uff0c\u800c\u4e3a\u590d\u6742\u7684\u662f\u6a21\u62df\u4e0a\u5c42\u5e94\u7528\u4ea4\u4e92 … Continue reading “\u6628\u5929\u89e3\u51b3\u4e86tcpcopy\u7684\u4e00\u4e2a\u5c0f\u5374\u5f88\u91cd\u8981\u7684bug.”<\/span><\/a><\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[4,6],"tags":[77],"class_list":["post-1041","post","type-post","status-publish","format-standard","hentry","category-network","category-tech_articles","tag-tcpcopy"],"_links":{"self":[{"href":"https:\/\/ykyi.net\/index.php?rest_route=\/wp\/v2\/posts\/1041","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/ykyi.net\/index.php?rest_route=\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/ykyi.net\/index.php?rest_route=\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/ykyi.net\/index.php?rest_route=\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/ykyi.net\/index.php?rest_route=%2Fwp%2Fv2%2Fcomments&post=1041"}],"version-history":[{"count":0,"href":"https:\/\/ykyi.net\/index.php?rest_route=\/wp\/v2\/posts\/1041\/revisions"}],"wp:attachment":[{"href":"https:\/\/ykyi.net\/index.php?rest_route=%2Fwp%2Fv2%2Fmedia&parent=1041"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/ykyi.net\/index.php?rest_route=%2Fwp%2Fv2%2Fcategories&post=1041"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/ykyi.net\/index.php?rest_route=%2Fwp%2Fv2%2Ftags&post=1041"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}