(1)TCP濂楁帴鍙ｇ紪紼?/strong>
榪欓噷浠嬬粛鍚勪釜鎺ュ彛鍑芥暟錛?br /> 1 鏂囦歡鎻忚堪絎?/span>
錛峴ocket(int domain, int type, int protocol); //鐢熸垚鏂囦歡鎻忚堪絎?/span>
錛峛ind(int sockfd, struct sockaddr *my_addr, int addrlen); //灝嗘湰鍦扮殑涓涓鍙ｇ粦瀹氬埌fd涓婏紝涓鑸彧闇瑕佸湪server绔?/span>
2 鏈嶅姟绔?/span>
錛峫isten(int sockfd, int backlog); //鏈変袱涓綔鐢細1,灝嗕富鍔ㄥ鎺ュ彛鍙樹負琚姩濂楁帴鍙?2,璁劇疆鏈澶ц繛鎺ユ暟backlog
錛峚ccept(int sockfd, void *addr, int *addrlen); //涓哄緩绔嬪ソ鐨勮繛鎺ョ敓鎴愪竴涓柊鐨刦d
3 瀹㈡埛绔?/span>
錛峜onnect(int sockfd, struct sockaddr *serv_addr, int addrlen); //榪涜socket榪炴帴
4 閫氫俊
錛峴end(int sockfd, const void *msg, int len, unsigned int flags); //鍙戦佽姹?/span>
錛峳ecv(int sockfd, void *buf, int len, unsigned int flags); //鎺ユ敹璇鋒眰
(2)I/O澶氳礬澶嶇敤
I/O澶氳礬澶嶇敤鏄寚鍐呮牳涓鏃﹀彂鐜拌繘紼嬫寚瀹氱殑涓涓垨鑰呭涓狪O鏉′歡鍑嗗璇誨彇錛屽畠灝遍氱煡璇ヨ繘紼嬨傛寜鐓с奤NIX緗戠粶緙栫▼銆嬬殑璇存硶錛孖/O澶氳礬澶嶇敤鐢ㄤ簬浠ヤ笅涓夌鎯呭喌錛?br /> a)涓涓猅CP鏈嶅姟鍣ㄦ棦瑕佸鐞嗙洃鍚鎺ュ彛錛屽張瑕佸鐞嗗凡榪炴帴濂楁帴鍙ｏ紱
b)涓涓湇鍔″櫒鏃㈣澶勭悊TCP錛屽張瑕佸鐞哢DP錛?br /> c)褰撳鎴風澶勭悊澶氫釜鎻忚堪瀛楋紙姣斿澶勭悊浜や簰寮忚緭鍏ュ拰緗戠粶濂楁帴鍙ｏ級
鐩墠琚箍娉涗嬌鐢ㄧ殑鏄痵elect鍜宔poll錛?br /> 2.1,select
int select(int maxfdp1,fd_set *readset,fd_set *writeset,fd_set *exceptset,const struct timeval *timeout)
絎竴涓弬鏁版寚瀹氭渶澶х殑fd鏁扮洰錛屼腑闂翠笁涓垎鍒槸琚洃鎺х殑璇匯佸啓銆佸紓甯哥殑fd闆嗭紝鏈鍚庝竴涓槸瓚呮椂鏃墮棿銆俿elect鍑芥暟浼氶樆濉炵瓑寰咃紝鐩村埌鐩戞帶鐨刦d闆嗕腑鏈塮d灝辯華錛屾垨鑰呭凡緇忚秴鏃躲?br /> 2.2,epoll
epoll鐩告瘮浜巗elect錛屼富瑕佺殑濂藉鍦ㄤ簬瀹冧笉鍍弒elect涓鏍峰幓杞fd闆嗭紝鑰屾槸鐢卞唴鏍稿幓瑙﹀彂錛涘彟澶栧畠鏀寔鏇村ぇ鐨刦d涓暟
(3)緗戠粶鏈嶅姟鍣ㄦā鍨?/strong>
鍏跺疄緗戠粶鏈嶅姟鍣ㄦā鍨嬭繕鏄瘮杈冨鏉傜殑錛屾湁涓綃囨瘮杈冪粡鍏哥殑鏂囩珷鍙仛c10K problem錛岄摼鎺ュ涓嬶細http://www.kegel.com/c10k.html
榪欓噷璁板綍鐨勬槸寰堢畝鍗曠殑鍑犵澶氱嚎紼婽CP鏈嶅姟鍣ㄦā鍨嬶紝欏轟究鍙互姣旇緝涓嬶細
2.1 涓葷嚎紼媋ccept錛屼負姣忎釜client鍒涘緩涓涓嚎紼?br /> 2.2 浣跨敤綰跨▼姹狅紝鍏ㄩ儴accept錛屽綋鏈夎繛鎺ユ潵鐨勬椂鍊欏叾涓煇涓嚎紼嬭繘琛屽鐞?br /> 2.3 浣跨敤綰跨▼姹狅紝涓葷嚎紼媋ccept錛屽綋鏈夎繛鎺ユ潵鐨勬椂鍊欎富綰跨▼灝嗗叾鏀懼叆闃熷垪錛岀敱宸ヤ綔綰跨▼榪涜澶勭悊錛堢敓浜ц?娑堣垂鑰呮ā鍨嬶級
1鏂規榪囦簬棰戠箒鍦拌繘琛岀嚎紼嬪垱寤洪攢姣侊紝2鏂規鍦ㄤ竴涓繛鎺ヨ繃鏉ユ椂浼氬甫鏉ユ儕緹ょ幇璞★紝3鏂規浼氭瘮鍓嶄袱涓柟妗堣濂戒竴浜涖?img src ="http://www.shnenglu.com/whspecial/aggbug/204011.html" width = "1" height = "1" />
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