{"id":737,"date":"2013-09-05T03:54:32","date_gmt":"2013-09-05T03:54:32","guid":{"rendered":"http:\/\/blog.zhukunqian.com\/?p=737"},"modified":"2013-09-11T10:34:59","modified_gmt":"2013-09-11T10:34:59","slug":"erlang%e8%9c%97%e7%89%9b%e5%ad%a6%e4%b9%a0%e4%b8%ad%ef%bc%88%e5%85%ad%ef%bc%89","status":"publish","type":"post","link":"https:\/\/blog.zhukunqian.com\/?p=737","title":{"rendered":"erlang\u8717\u725b\u5b66\u4e60\u4e2d\uff08\u516d\uff09"},"content":{"rendered":"

\u6709\u51e0\u591a\u65e5\u672a\u5199erlang\u5b66\u4e60\u4ee3\u7801\u4e86\u3002<\/p>\n

\u524d\u4e00\u6bb5\u65f6\u95f4\u4e3b\u8981\u505a\u4e86\u9879\u76ee\u7684\u4f18\u5316\uff0c\u6709\u51e0\u70b9\u6548\u679c\u633a\u4e0d\u9519\uff0c\u8fd9\u91cc\u7565\u63d0\u4e00\u4e0b\u3002<\/p>\n

io\u5f88\u8017\u65f6\uff0c\u65e5\u5fd7\u901a\u8fc7udp\u8fdc\u7a0b\u5199\u5230\u5176\u5b83\u670d\u52a1\u5668\u4e0a\uff0c\u4f1a\u5927\u91cf\u51cf\u5c11cpu\u7684\u6d88\u8017\u3002<\/p>\n

nosql\u6982\u5ff5\u5728\u6e38\u620f\u5f00\u4e2d\u5f88\u5408\u9002\uff0c\u4f7f\u7528json\u6216protobuf\u76f4\u63a5\u5b58\u50a8\u5728key-value\u6570\u636e\u5e93\u4e2d\u975e\u5e38\u65b9\u4fbf\uff0c\u91c7\u7528\u540e\u57fa\u672c\u4e0a\u65e0\u9700\u4efb\u4f55\u6301\u4e45\u5c42\u7684\u5de5\u4f5c\u91cf\u3002\u800c\u4e14nosql\u7684\u8bbe\u8ba1\u65b9\u5f0f\u5bf9\u67d0\u4e9b\u7279\u5b9a\u573a\u666f\u7684\u5904\u7406\u53ef\u5927\u5e45\u63d0\u9ad8\u6027\u80fd\uff0c\u6bd4\u5982\uff1a\u4ee5\u524d\u67e5\u8be2\u73a9\u5bb6\u7684\u4fe1\u4ef6\uff0c\u76f4\u63a5\u4f7f\u7528sql\u67e5\u8be2\uff0c\u9700\u8981\u67e5\u8be2\u6574\u5f20\u8868\uff0c\u91c7\u7528nosql\u7684\u8bbe\u8ba1\u65b9\u5f0f\uff0c\u5728\u73a9\u5bb6\u4e2d\u5b58\u50a8\u4e00\u4e2a\u6570\u7ec4\uff0c\u91cc\u9762\u662f\u4fe1\u4ef6\u7684id\uff0c\u53ef\u4ee5\u76f4\u63a5\u6839\u636eid\u53bb\u67e5\u8be2\u6570\u636e\u3002<\/p>\n

\u597d\u4e86\uff0c\u6765\u770berlang test7<\/p>\n

-module(test7).\r\n\r\n-export([start\/0]).\r\n\r\nstart()->\r\n        {ok,ListenSocket} = gen_tcp:listen(8889,[binary,{packet,2},{reuseaddr,true},{active,true}]),\r\n        listen_tcp(ListenSocket),\r\n        gen_tcp:close(ListenSocket),\r\n        io:format("start end.").\r\n\r\nlisten_tcp(ListenSocket)->\r\n        {ok,Socket}=gen_tcp:accept(ListenSocket),\r\n        spawn_link(fun()-> socket_rec(Socket) end),\r\n        listen_tcp(ListenSocket).\r\n\r\nsocket_rec(Socket)->\r\n        receive\r\n                {tcp,Socket,Data}->\r\n                        io:format("receive data ~n"),\r\n                        socket_rec(Socket);\r\n                {tcp_closed,Socket}->\r\n                        io:format("tcp_closed ~n"),\r\n                        gen_tcp:close(Socket);\r\n                {tcp_error,Socket,Reason}->\r\n                        io:format("tcp_error ~n"),\r\n                        gen_tcp:close(Socket) \r\n\r\n        end.<\/pre>\n
test7,\u6253\u5f00\u4e00\u4e2asocket\u76d1\u542c\u7aef\u53e3\uff0c\u7136\u540e\u5f00\u542f\u4e00\u4e2a\u7ebf\u7a0b\u53bb\u5904\u7406\u63a5\u6536\u6570\u636e\u3002<\/p>\n
\u597d\u4e86\uff0c\u7ee7\u7eed\u6d4b\u8bd5\u534a\u4e3b\u52a8\u5f0f\uff1a\u63a5\u4e00\u4e2a\u5305\uff0c\u8bbe\u7f6esocket\u4e3a\u4e0d\u63a5\u6536\u72b6\u6001\uff0c\u7136\u540e\u5904\u7406\u5b8c\u5305\u540e\uff0c\u518d\u7ee7\u7eed\u8bfb\u53d6\u6570\u636e\u5305\u3002<\/p>\n
\u5982\u679c\u5f00\u542f\u4e86\u65b0\u7684\u7ebf\u7a0b\u6765\u63a5\u6536\u6570\u636e\u3002\u522b\u5fd8\u8bb0\u8c03\u7528\uff1a<\/p>\n
controlling_process(Socket, Pid) -> ok | {error, Reason}<\/p>\n
\n
Types:<\/p>\n
Socket = socket()<\/a><\/div>\n
Pid = pid()<\/div>\n
Reason = closed | not_owner | inet:posix()<\/a><\/div>\n<\/div>\n
 <\/p>\n
Assigns a new controlling process Pid to Socket. The controlling process is the process which receives messages from the socket. If called by any other process than the current controlling process, {error, not_owner} is returned.<\/p>\n
\u4ed6\u7684\u4f5c\u7528\u662f\u628a\u4e00\u4e2a\u65b0\u7684\u7ebf\u7a0b\u548c\u8fd9\u4e2asocket\u7ed1\u5b9a\uff0c\u8fd9\u6837\u65b0\u7ebf\u7a0b\u53ef\u4ee5\u63a5\u6536\u5230socket\u7684\u6570\u636e\u3002<\/p>\n
\u4e5f\u8ba9\u6211\u56f0\u60d1\u4e86\u4e24\u5929\u4e3a\u4ec0\u4e48\u63a5\u6536\u4e0d\u5230\u6570\u636e\u3002<\/p>\n","protected":false},"excerpt":{"rendered":"
\u6709\u51e0\u591a\u65e5\u672a\u5199erlang\u5b66\u4e60\u4ee3\u7801\u4e86\u3002 \u524d\u4e00\u6bb5\u65f6\u95f4\u4e3b\u8981\u505a\u4e86\u9879\u76ee\u7684\u4f18\u5316\uff0c\u6709\u51e0\u70b9\u6548\u679c\u633a …<\/p>\n
\u7ee7\u7eed\u9605\u8bfb »<\/a><\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[22],"tags":[],"_links":{"self":[{"href":"https:\/\/blog.zhukunqian.com\/index.php?rest_route=\/wp\/v2\/posts\/737"}],"collection":[{"href":"https:\/\/blog.zhukunqian.com\/index.php?rest_route=\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/blog.zhukunqian.com\/index.php?rest_route=\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/blog.zhukunqian.com\/index.php?rest_route=\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/blog.zhukunqian.com\/index.php?rest_route=%2Fwp%2Fv2%2Fcomments&post=737"}],"version-history":[{"count":6,"href":"https:\/\/blog.zhukunqian.com\/index.php?rest_route=\/wp\/v2\/posts\/737\/revisions"}],"predecessor-version":[{"id":739,"href":"https:\/\/blog.zhukunqian.com\/index.php?rest_route=\/wp\/v2\/posts\/737\/revisions\/739"}],"wp:attachment":[{"href":"https:\/\/blog.zhukunqian.com\/index.php?rest_route=%2Fwp%2Fv2%2Fmedia&parent=737"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/blog.zhukunqian.com\/index.php?rest_route=%2Fwp%2Fv2%2Fcategories&post=737"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/blog.zhukunqian.com\/index.php?rest_route=%2Fwp%2Fv2%2Ftags&post=737"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}