socket双向通信,为什么服务器只能接收一次客户端发送的消息 java socket通信服务器为什么只能接收到客户端第一次...
socket\u53cc\u5411\u901a\u4fe1\uff0c\u4e3a\u4ec0\u4e48\u670d\u52a1\u5668\u53ea\u80fd\u63a5\u6536\u4e00\u6b21\u5ba2\u6237\u7aef\u53d1\u9001\u7684\u6d88\u606fSocket\u6709\u4e24\u79cd\u4e3b\u8981\u7684\u64cd\u4f5c\u65b9\u5f0f\uff1a\u9762\u5411\u8fde\u63a5\u7684\u548c\u65e0\u8fde\u63a5\u7684\u3002\uff08TCP/UDP\uff09\u3000\u3000\u9762\u5411\u8fde\u63a5\u7684Socket\u64cd\u4f5c\u5c31\u50cf\u4e00\u90e8\u7535\u8bdd\uff0cSocket\u5fc5\u987b\u5728\u53d1\u9001\u6570\u636e\u4e4b\u524d\u4e0e\u76ee\u7684\u5730\u7684Socket\u53d6\u5f97\u8fde\u63a5\uff0c\u4e00\u65e6\u8fde\u63a5\u5efa\u7acb\u4e86\uff0cSocket\u5c31\u53ef\u4ee5\u4f7f\u7528\u4e00\u4e2a\u6d41\u63a5\u53e3\u8fdb\u884c\u6253\u5f00\u3001\u8bfb\u5199\u4ee5\u53ca\u5173\u95ed\u64cd\u4f5c\u3002\u5e76\u4e14\uff0c\u6240\u6709\u53d1\u9001\u7684\u6570\u636e\u5728\u53e6\u4e00\u7aef\u90fd\u4f1a\u4ee5\u76f8\u540c\u7684\u987a\u5e8f\u88ab\u63a5\u6536\u3002
\u6ce8\u610f\u662f\u76f8\u540c\u7684\u987a\u5e8f
\u4f60\u4e0d\u4f1a\u662f\u7528serverSocket\u63a5\u6536\u4e86\u4e00\u6b21\u5c31\u5173\u6389\u4e86\u5427\uff0c\u8fd9\u4e2a\u8981\u4e00\u76f4\u6253\u5f00\u7684\uff0c\u5199\u6210\u4e00\u4e2a\u6b7b\u5faa\u73af\u3002
\u6216\u8005\u6709\u53ef\u80fd\u4f60\u5efa\u7acb\u7684\u5ba2\u6237\u7aef\u7ebf\u7a0b\u53ea\u6267\u884c\u4e00\u6b21\u3002
绛旓細浠ヨ绠楁満涓轰緥锛屽鎺ュ瓧socket鐨浣滅敤鏄敮鎸乀CP/IP鐨勭綉缁滈氫俊鐨勫熀鏈搷浣滃崟鍏冿紝鍙互鐪嬪仛鏄笉鍚屼富鏈轰箣闂寸殑杩涚▼杩涜鍙屽悜閫氫俊鐨勭鐐癸紝绠鍗曠殑璇村氨鏄氫俊鐨勪袱鏂圭殑涓绉嶇害瀹氾紝鐢ㄥ鎺ュ瓧涓殑鐩稿叧鍑芥暟鏉ュ畬鎴愰氫俊杩囩▼銆俆CP鐢ㄤ富鏈虹殑IP鍦板潃鍔犱笂涓绘満涓婄殑绔彛鍙蜂綔涓篢CP杩炴帴鐨勭鐐癸紝杩欑绔偣灏卞彨鍋氬鎺ュ瓧锛坰ocket锛夋垨鎻掑彛銆...
绛旓細30绉掍富鍔ㄦ柇寮杩炴帴銆socket浼氬湪涓嶄娇鐢ㄧ殑鎯呭喌涓嬶紝30绉掍富鍔ㄦ柇寮杩炴帴銆俿ocket鎸囧鎺ュ瓧銆傛墍璋撳鎺ュ瓧(Socket)锛屽氨鏄缃戠粶涓笉鍚屼富鏈轰笂鐨勫簲鐢ㄨ繘绋嬩箣闂磋繘琛鍙屽悜閫氫俊鐨勭鐐圭殑鎶借薄銆
绛旓細WebSocket闇瑕佷紭鍖栦簩杩涘埗鍑鑽峰拰鍘嬬缉UTF-8鍐呭锛屼互鏈灏忓寲浼犺緭鏁版嵁銆傚悓鏃讹紝杩橀渶瑕佺洃鎺у鎴风缂撳啿鏁版嵁鐨勯噺锛岄伩鍏嶉槦棣栭樆濉烇紝骞跺湪蹇呰鏃堕噰鐢ㄥ鐢ㄦ満鍒讹紝濡socket.io绛夈俉ebSocket鍗忚涓哄疄鏃鍙屽悜閫氫俊鎻愪緵浜嗛珮鏁堛佺伒娲荤殑瑙e喅鏂规锛屼絾鍦ㄤ娇鐢ㄦ椂闇瑕佹牴鎹叿浣撳満鏅夋嫨鍚堥傜殑鍗忚锛屽苟鍏呭垎鍒╃敤鍏朵紭鐐逛互鑾峰緱鏈浣虫ц兘銆
绛旓細socket閫氫俊鍘熺悊鏄竴绉嶁滄墦寮鈥旇/鍐欌斿叧闂濇ā寮忕殑瀹炵幇锛屾湇鍔″櫒鍜屽鎴风鍚勮嚜缁存姢涓涓滄枃浠垛濓紝鍦ㄥ缓绔嬭繛鎺ユ墦寮鍚庯紝鍙互鍚戞枃浠跺啓鍏ュ唴瀹逛緵瀵规柟璇诲彇鎴栬呰鍙栧鏂瑰唴瀹锛岄氳缁撴潫鏃跺叧闂枃浠躲Socket鍦ㄥ簲鐢ㄥ眰鍜屼紶杈撳眰涔嬮棿鐨勪竴涓娊璞″眰锛屽畠鎶 TCP/IP 灞傚鏉傜殑鎿嶄綔鎶借薄涓哄嚑涓畝鍗曠殑鎺ュ彛锛屼緵搴旂敤灞傝皟鐢ㄥ疄鐜拌繘绋嬪湪...
绛旓細accept()绯荤粺璋冪敤浼氭枃浠舵弿杩扮sockfd寮曠敤鐨勭洃鍚祦socket涓婃帴鍙椾竴涓繛鍏ヨ繛鎺ャ傚鏋滃湪璋冪敤accept鏃朵笉瀛樺湪鏈喅鐨勮繛鎺ワ紝閭d箞璋冪敤浼氶樆濉炵洿鍒版湁杩炴帴璇锋眰鍒拌揪涓烘銆傝繑鍥炵殑缁撴灉鏄凡杩炴帴鐨socket鐨鏂囦欢鎻忚堪绗︺俛ddr鍙傛暟鎸囧悜涓涓敤鏉ヨ繑鍥瀞ocket鍦板潃鐨勭粨鏋勩備竴瀵硅繛鎺ョ殑娴 socket 鍦ㄤ袱涓鐐逛箣闂存彁渚涗簡涓涓鍙屽悜閫氫俊淇¢亾銆傚叧...
绛旓細SocketClient1.java鍐呭濡備笅锛歱ackage com.polyphylla.socket;import java.io.BufferedReader;import java.io.IOException;import java.io.InputStreamReader;import java.io.PrintWriter;import java.net.Socket;import java.net.UnknownHostException;public class SocketClient1 { private Socket socket;public ...
绛旓細缃戠粶涓婄殑涓や釜绋嬪簭閫氳繃涓涓鍙屽悜鐨閫氫俊杩炴帴瀹炵幇鏁版嵁鐨勪氦鎹紝杩欎釜杩炴帴鐨勪竴绔О涓轰竴涓socket銆傚缓绔嬬綉缁滈氫俊杩炴帴鑷冲皯瑕佷竴瀵圭鍙e彿(socket)銆俿ocket鏈川鏄紪绋嬫帴鍙(API)锛屽TCP/IP鐨勫皝瑁咃紝TCP/IP涔熻鎻愪緵鍙緵绋嬪簭鍛樺仛缃戠粶寮鍙戞墍鐢ㄧ殑鎺ュ彛锛岃繖灏辨槸Socket缂栫▼鎺ュ彛;HTTP鏄娇杞︼紝鎻愪緵浜嗗皝瑁呮垨鑰呮樉绀烘暟鎹殑鍏蜂綋褰㈠紡;...
绛旓細socket瀛樺彇鏁版嵁鏁堢巼楂樸傚湪搴旂敤灞傞氳繃浼犺緭灞傝繘琛屾暟鎹氫俊鏃锛宻ocket瀛樺彇鏁版嵁鏁堢巼瑕侀珮浜庢暟鎹簱锛屾墍浠ヨ鐢╯ocket銆俿ocket鎸囧鎺ュ瓧銆傛墍璋撳鎺ュ瓧锛屽氨鏄缃戠粶涓笉鍚屼富鏈轰笂鐨勫簲鐢ㄨ繘绋嬩箣闂磋繘琛鍙屽悜閫氫俊鐨勭鐐圭殑鎶借薄銆
绛旓細浜屻Socket鍗忚鑰孲ocket鏄竴绉嶅簳灞傚崗璁綅浜庝紶杈撳眰涔嬩笂瀹冮氳繃杩炴帴瀹炵幇瀹㈡埛绔笌鏈嶅姟鍣ㄤ箣闂寸殑鍙屽悜閫氫俊鏀寔澶氱鍗忚鐨勪紶杈撳TCP鎴朥DP鍗忚Socket鏄紪绋嬫帴鍙e厑璁稿紑鍙戣呴氳繃缂栫▼瀹炵幇瀵圭綉缁滄湇鍔$殑鎺у埗渚嬪瀹㈡埛绔笌鏈嶅姟鍣ㄥ缓绔嬭繛鎺ョ殑鏁版嵁鍙戦佷笌鎺ユ敹杩涚▼绠$悊鍜岄氫俊杩囩▼鐨勭紪绋嬮昏緫閫氳繃缂栫▼鐩存帴瀵硅繛鎺ヨ繘琛屾搷浣滆姹傛湇鍔℃帶鍒惰繘绋嬩俊鎭...
绛旓細bind()鍑芥暟锛氬皢socket涓庣綉缁滃湴鍧鐩稿叧鑱旓紝濡侫F_INET缁戝畾IPv4鎴朓Pv6鍦板潃銆俵isten()鍑芥暟锛氭湇鍔″櫒绔皟鐢ㄤ互鐩戝惉杩炴帴璇锋眰锛岀洿鍒板鎴风鍙戣捣杩炴帴銆俛ccept()鍑芥暟锛氭湇鍔″櫒绔帴鏀跺苟澶勭悊瀹㈡埛绔殑杩炴帴璇锋眰锛岃繑鍥炰竴涓柊鐨剆ocket杩涜鍙屽悜閫氫俊銆傜綉缁淚/O鎿嶄綔杩涚▼闂撮氫俊鐨勫叧閿嚱鏁板send()鍜宺ecv()鍑芥暟锛屽墠鑰呯敤浜庡悜TCP杩炴帴鐨...