{"id":207937,"date":"2025-07-08T14:22:06","date_gmt":"2025-07-08T06:22:06","guid":{"rendered":"https:\/\/server.hk\/cnblog\/207937\/"},"modified":"2025-07-08T14:22:06","modified_gmt":"2025-07-08T06:22:06","slug":"%e5%b0%9d%e8%af%95%e4%bd%bf%e7%94%a8-gob-decoder-%e8%a7%a3%e7%a0%81-blob-%e6%97%b6%e5%87%ba%e7%8e%b0%e9%94%99%e8%af%af%ef%bc%88gob%ef%bc%9a%e6%9c%aa%e7%9f%a5%e7%b1%bb%e5%9e%8b-id-%e6%88%96%e6%8d%9f","status":"publish","type":"post","link":"https:\/\/server.hk\/cnblog\/207937\/","title":{"rendered":"\u5c1d\u8bd5\u4f7f\u7528 gob.Decoder() \u89e3\u7801 blob \u65f6\u51fa\u73b0\u9519\u8bef\uff08gob\uff1a\u672a\u77e5\u7c7b\u578b ID \u6216\u635f\u574f\u7684\u6570\u636e\uff09"},"content":{"rendered":"

<\/b> <\/p>\n

\u5f53\u524d\u4f4d\u7f6e\uff1a ><\/span> ><\/span> ><\/span> ><\/span> \u5c1d\u8bd5\u4f7f\u7528 gob.Decoder() \u89e3\u7801 blob \u65f6\u51fa\u73b0\u9519\u8bef\uff08gob\uff1a\u672a\u77e5\u7c7b\u578b ID \u6216\u635f\u574f\u7684\u6570\u636e\uff09<\/span><\/p>\n

\u6765\u6e90\uff1astackoverflow<\/span>
\n2024-04-26 23:33:35<\/span>
\n<\/i>0\u6d4f\u89c8<\/span>
\n<\/i>\u6536\u85cf<\/span> <\/p>\n

\u4e00\u5206\u8015\u8018\uff0c\u4e00\u5206\u6536\u83b7\uff01\u65e2\u7136\u6253\u5f00\u4e86\u8fd9\u7bc7\u6587\u7ae0\u300a\u5c1d\u8bd5\u4f7f\u7528 gob.Decoder() \u89e3\u7801 blob \u65f6\u51fa\u73b0\u9519\u8bef\uff08gob\uff1a\u672a\u77e5\u7c7b\u578b ID \u6216\u635f\u574f\u7684\u6570\u636e\uff09\u300b<\/span>\uff0c\u5c31\u575a\u6301\u770b\u4e0b\u53bb\u5427\uff01\u6587\u4e2d\u5185\u5bb9\u5305\u542b<\/span>\u7b49\u7b49\u77e5\u8bc6\u70b9…\u5e0c\u671b\u4f60\u80fd\u5728\u9605\u8bfb\u672c\u6587\u540e\uff0c\u80fd\u771f\u771f\u5b9e\u5b9e\u5b66\u5230\u77e5\u8bc6\u6216\u8005\u5e2e\u4f60\u89e3\u51b3\u5fc3\u4e2d\u7684\u7591\u60d1\uff0c\u4e5f\u6b22\u8fce\u5927\u4f6c\u6216\u8005\u65b0\u4eba\u670b\u53cb\u4eec\u591a\u7559\u8a00\u8bc4\u8bba\uff0c\u591a\u7ed9\u5efa\u8bae\uff01\u8c22\u8c22\uff01<\/p>\n

\u95ee\u9898\u5185\u5bb9
\n <\/p>\n

\u6211\u6b63\u5728\u5c1d\u8bd5\u5c06\u7f16\u7801\u7684 blob \u53d1\u9001\u5230\u672c\u5730\u5bf9\u7b49\u70b9\u5217\u8868\uff08\u5728\u672c\u5730\u8ba1\u7b97\u673a\u4e0a\u7684\u591a\u4e2a\u7aef\u53e3\u4fa6\u542c\u7684\u5ba2\u6237\u7aef\u4ee3\u7801\uff09\uff0c\u5f53\u6211\u5bf9\u67d0\u4e9b\u5bf9\u7b49\u70b9\u89e3\u7801 blob \u65f6\uff0c\u5b83\u53ef\u4ee5\u5de5\u4f5c\uff0c\u4f46\u5bf9\u67d0\u4e9b\u5bf9\u7b49\u70b9\u6765\u8bf4\u6ca1\u6709\u5e76\u663e\u793a\u9519\u8bef\uff08gob\uff1a\u672a\u77e5\u7c7b\u578b id \u6216\u635f\u574f\u7684\u6570\u636e\uff09\uff0c\u6211\u8be5\u5982\u4f55\u89e3\u51b3\u8fd9\u4e2a\u95ee\u9898\uff1f<\/p>\n

\/\/My blob struct\ntype packet struct {\n    Nodes []a1.Node\n    Ledger *a1.Block\n    ActionType string\n}\n\n\n\/\/Encoding Part\n    for i:=1; i<len(ConnectedNodes);i++{\n        var blob packet\n        blob.Ledger = Ledger\n        blob.ActionType = \"AddBlock\"\n        blob.Nodes = []a1.Node{}\n        conn, err := net.Dial(\"tcp\", \"localhost\"+\":\"+ConnectedNodes[i].Port)\n        if err != nil {\n            \/\/ handle error\n            fmt.Println(\"Error At Client In Making A Connection (sending New Block to client \"+ ConnectedNodes[i].Name +\")\")\n        }\n        \/\/sending request type to client\n        _, _ = conn.Write([]byte(\"newblock add \"))\n        \/\/sending data to the client node\n        \/\/gob.Register(blob)\n        encoder := gob.NewEncoder(conn)\n        error := encoder.Encode(blob)\n        if error != nil {\n            log.Fatal(error)\n        }\n    }\n\n\/\/Decoding Part running on another peer\n\/\/adds new block to the Ledger\n\n\/\/Recieving incoming data\n    recvdSlice := make([]byte, 256)\n    conn.Read(recvdSlice)\n    RecievedData := string(recvdSlice)\n    finalData := strings.Split(RecievedData, \" \")\n\n    if finalData[0] == \"newblock\"{\n        var blob packet\n        decoder := gob.NewDecoder(conn)\n        err := decoder.Decode(&blob)\n        if err != nil {\n            fmt.Println(\"error at decoding New Block on client!\")\n            fmt.Println(err)\n        }\n        fmt.Println(Ledger.Hash)\n        fmt.Println(blob.Ledger.Hash)\n        if(bytes.Compare(Ledger.Hash, blob.Ledger.Hash)) == 0 {\n            fmt.Println(\"Ledger is already updated !\")\n        }else{\n            fmt.Println(\"New Block Added !\")\n            Ledger = blob.Ledger\n        }\n        a1.ListBlocks(Ledger)\n        \/\/SendingNewBlockToConnectedNodes()\n    }<\/pre>\n
 <\/p>\n
\u89e3\u51b3\u65b9\u6848<\/h2>\n
 <\/p>\n
\u53d1\u9001\u65b9\u5728\u7f16\u7801gob\u4e4b\u524d\u5199\u516513\u4e2a\u5b57\u8282\uff08\u201cnewblock add\u201d<\/code>\uff09\u3002 <\/p>\n
\u5982\u679c\u63a5\u6536\u5668\u5728\u89e3\u7801 gob \u4e4b\u524d\u6ca1\u6709\u8bfb\u53d6\u8fd9 13 \u4e2a\u5b57\u8282\uff0c\u90a3\u4e48\u89e3\u7801\u5668\u5c06\u4e0e\u6570\u636e\u6d41\u4e0d\u540c\u6b65\u5e76\u62a5\u544a\u9519\u8bef\u3002<\/p>\n
\u5f53\u6570\u636e\u53ef\u7528\u3001\u5207\u7247\u5df2\u6ee1\u6216\u8bfb\u53d6\u8fde\u63a5\u65f6\u51fa\u9519\u65f6\uff0c\u8fde\u63a5\u8bfb\u53d6\u65b9\u6cd5\u5c06\u8fd4\u56de\u3002\u5ffd\u7565\u9519\u8bef\uff0c\u5bf9\u8fde\u63a5\u4e0a\u7684 read \u7684\u8c03\u7528\u5c06\u4ece\u8fde\u63a5\u4e2d\u8bfb\u53d6 1 \u5230 len(recvdslice) \u4e2a\u5b57\u8282\u3002\u867d\u7136\u4e0d\u80fd\u4fdd\u8bc1\u8bfb\u53d6\u523013\u5b57\u8282\u7684\u6570\u636e\uff0c\u4f46\u7531\u4e8e\u65f6\u5e8f\u539f\u56e0\uff0c\u5b9e\u9645\u4e2d\u8fd9\u79cd\u60c5\u51b5\u7ecf\u5e38\u53d1\u751f\u3002<\/p>\n
\u901a\u8fc7\u5728\u89e3\u7801 gob \u4e4b\u524d\u4ec5\u8bfb\u53d6\u524d\u7f00\u6765\u4fee\u590d\u3002\u4e00\u79cd\u65b9\u6cd5\u662f\u7528\u6362\u884c\u7b26\u5206\u9694\u524d\u7f00\u3002<\/p>\n
\u5c06\u53d1\u4ef6\u4eba\u4ee3\u7801\u66f4\u6539\u4e3a\uff1a<\/p>\n
_, _ = conn.write([]byte(\"newblock add \\n\"))<\/pre>\n
\u5c06\u63a5\u6536\u8005\u4ee3\u7801\u66f4\u6539\u4e3a\uff1a<\/p>\n
br := bufio.newreader(conn)\n receiveddata, err := br.readstring('\\n')\n if err != nil {\n     \/\/ handle error\n }\n finaldata := strings.split(receiveddata, \" \")\n\n if finaldata[0] == \"newblock\"{\n    var blob packet\n    decoder := gob.newdecoder(br) \/\/ <-- decode from the buffered reader\n    err := decoder.decode(&blob)<\/pre>\n
\u53e6\u4e00\u4e2a\u4fee\u590d\u662f\u4f7f\u7528 gob \u7f16\u89e3\u7801\u5668\u4f5c\u4e3a\u524d\u7f00\u3002\u5c06\u53d1\u4ef6\u4eba\u66f4\u6539\u4e3a\uff1a<\/p>\n
encoder := gob.newencoder(conn)\n    if err := encoder.encode(\"newblock add \"); err != nil {\n        \/\/ handle error\n    }\n    if err := encoder.encode(blob); err != nil {\n        \/\/ handle error\n    }<\/pre>\n
\u5c06\u63a5\u6536\u5668\u66f4\u6539\u4e3a\uff1a<\/p>\n
decoder := gob.NewDecoder(conn)\nvar receivedData string\nif err := decoder.Decode(&receivedData); err != nil {\n     \/\/ handle error\n}\nfinalData := strings.Split(receivedData, \" \")\n\nif finalData[0] == \"newblock\"{\n    var blob packet\n    err := decoder.Decode(&blob)<\/pre>\n
\u7406\u8bba\u8981\u638c\u63e1\uff0c\u5b9e\u64cd\u4e0d\u80fd\u843d\uff01\u4ee5\u4e0a\u5173\u4e8e\u300a\u5c1d\u8bd5\u4f7f\u7528 gob.Decoder() \u89e3\u7801 blob \u65f6\u51fa\u73b0\u9519\u8bef\uff08gob\uff1a\u672a\u77e5\u7c7b\u578b ID \u6216\u635f\u574f\u7684\u6570\u636e\uff09\u300b\u7684\u8be6\u7ec6\u4ecb\u7ecd\uff0c\u5927\u5bb6\u90fd\u638c\u63e1\u4e86\u5427\uff01\u5982\u679c\u60f3\u8981\u7ee7\u7eed\u63d0\u5347\u81ea\u5df1\u7684\u80fd\u529b\uff0c\u90a3\u4e48\u5c31\u6765\u5173\u6ce8\u516c\u4f17\u53f7\u5427\uff01<\/p>\n","protected":false},"excerpt":{"rendered":"
\u5f53\u524d\u4f4d\u7f6e\uff1a > > ...<\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"closed","ping_status":"","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[4925],"tags":[],"class_list":["post-207937","post","type-post","status-publish","format-standard","hentry","category-4925"],"_links":{"self":[{"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/207937","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/comments?post=207937"}],"version-history":[{"count":0,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/207937\/revisions"}],"wp:attachment":[{"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/media?parent=207937"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/categories?post=207937"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/tags?post=207937"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}