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1銆�TCP/IP缍�(w菐ng)绲�(lu貌)閫氫俊鐨勫鐝�(xi脿n)
1.1TCP/IP绨′粙
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銆€銆€TCP/IP鐨勭祼(ji茅)妲�(g貌u)灏囩恫(w菐ng)绲�(lu貌)鍒嗘垚鍥涘€嬪堡娆�锛屽垎鍒ユ槸鎳�(y墨ng)鐢ㄥ堡銆佸偝杓稿堡銆佺恫(w菐ng)绲�(lu貌)灞ゅ拰鏁�(sh霉)鎿�(j霉)閺堣矾灞�銆傞€欏皣鍦嬮殯妯�(bi膩o)婧�(zh菙n)绲勭箶(ISO)鍒跺畾鐨勯枊鏀剧郴绲�(t菕ng)浜掕伅(li谩n)鍙冭€冩ā寮�(OSI)鐨勪竷灞ゅ偝杓稿弮鑰冩ā寮忎腑鐨勪竴浜涘堡闈㈠悎骞�锛屼簩鑰呬箣闁撴槧灏勯棞(gu膩n)绯诲鍦�1鎵€绀�銆�
鍦�1 TCP/IP鑸�OSI绲�(ji茅)妲�(g貌u)妯″瀷鐨勬槧灏勯棞(gu膩n)绯�
1.2WindowsSockets绨′粙
銆€銆€鍩轰簬TCP/IP鐨勭恫(w菐ng)绲�(lu貌)閫氫俊鍙互閫氶亷WindowsSockets渚嗗鐝�(xi脿n)銆傚绡€(ji茅)瀛�(socket)鏄竴绋€氱敤鐨勭恫(w菐ng)绲�(lu貌)绶ㄧ▼鎺ュ彛锛屽畠鏄皪閫氫俊绔粸鐨勪竴绋娊璞�锛屾彁渚涗簡涓€绋櫦(f膩)閫佸拰鎺ユ敹鏁�(sh霉)鎿�(j霉)鐨勬鍒�銆�
銆€銆€濂楃瘈(ji茅)瀛楃洰鍓嶆湁鍏╃ó锛氭暩(sh霉)鎿�(j霉)鍫卞绡€(ji茅)瀛�(DatagramSockets)鍜屾祦寮忓绡€(ji茅)瀛�(StreamSockets)銆傛垜鍊戦噰鐢ㄦ祦寮忓绡€(ji茅)瀛�锛屽洜鐐烘祦寮忓绡€(ji茅)瀛楀彲浠ュ皣鏁�(sh霉)鎿�(j霉)鎸夐爢搴忕劇閲嶅京(f霉)鍦扮櫦(f膩)閫佸埌鐩殑鍦�锛屽畠鎻愪緵鐨勬槸涓€绋彲闈犵殑闈㈠悜閫ｆ帴鐨勬暩(sh霉)鎿�(j霉)鍌宠几鏂瑰紡銆�
銆€銆€WindowsSockets鎻愪緵绲﹀紩鐢ㄧ▼搴忛枊鐧�(f膩)鑰呬竴濂楃啊鍠殑鎳�(y墨ng)鐢ㄧ▼搴忔帴鍙ｏ紝鎳�(y墨ng)鐢ㄧ▼搴忚(di脿o)鐢ㄥ叾鎺ュ彛鍑芥暩(sh霉)瀵︾従(xi脿n)鐩镐簰涔嬮枔鐨勯€氫俊銆傛澶�WindowsSockets鍙堝埄鐢ㄤ笅灞ょ殑缍�(w菐ng)绲�(lu貌)閫氳▕鍗�(xi茅)璀�(濡�TCP/IP)鍔熻兘鍜屾搷浣滅郴绲�(t菕ng)瀵︾従(xi脿n)瀵﹂殯鐨勯€氳▕宸ヤ綔銆傚畠鍊戜箣闁撶殑闂�(gu膩n)绯诲鍦�2鎵€绀�銆�
鍦�2 鎳�(y墨ng)鐢ㄧ▼搴忚垏Sockets鐨勯棞(gu膩n)绯�
1.3娴佸紡濂楃瘈(ji茅)瀛楃殑浣跨敤鏂规硶
銆€銆€娴佸紡濂楃瘈(ji茅)瀛楃殑浣跨敤鏂规硶鏄熀浜庨€ｆ帴鐨勫崝(xi茅)璀�锛屽湪鍌宠几銆佹帴鏀舵暩(sh霉)鎿�(j霉)涔嬪墠蹇呴爤鍏堝缓绔嬮€ｆ帴锛岀劧鍚庢墠鑳藉緸鏁�(sh霉)鎿�(j霉)娴佷腑璁€鍑烘暩(sh霉)鎿�(j霉)銆�
銆€銆€棣栧厛鏈嶅嫏(w霉)鍣ㄨ鍓�(chu脿ng)寤轰竴鍊嬬敤浜庡伒鑱界殑濂楃瘈(ji茅)瀛�锛岀偤瑭插绡€(ji茅)瀛楀垎閰嶅湴鍧€涔嬪悗锛岃(di脿o)鐢�listen()鍑芥暩(sh霉)浣垮畠铏曚簬鍋佃伣鐙€鎱�(t脿i)锛涘鎴舵鍦ㄥ壍(chu脿ng)寤哄绡€(ji茅)瀛楀畬鐣㈠悗锛岀偤濂楃瘈(ji茅)瀛楀垎閰嶅湴鍧€锛岀劧鍚庤(di脿o)鐢�connect()鍑芥暩(sh霉)锛岃珛姹傝垏鏈嶅嫏(w霉)鍣ㄥ绡€(ji茅)瀛楅€ｆ帴锛涙湇鍕�(w霉)鍣ㄥ绡€(ji茅)瀛楀湪鏀跺埌瀹㈡埗姗熺殑閫ｆ帴璜嬫眰鍚�锛岃(di脿o)鐢�accept()鍑芥暩(sh霉)锛岃┎鍑芥暩(sh霉)鍓�(chu脿ng)寤轰竴鍊嬬敤浜庨€ｆ帴鐨勫绡€(ji茅)瀛�銆傛噳(y墨ng)鐢ㄨ┎濂楃瘈(ji茅)瀛楀拰瀹㈡埗姗熶笂鐨勯€ｆ帴濂楃瘈(ji茅)瀛�锛屽氨鍙互鍦ㄦ湇鍕�(w霉)鍣ㄥ拰瀹㈡埗姗熶箣闁撻€�(j矛n)琛屾暩(sh霉)鎿�(j霉)鍌宠几浜�銆傚湪绲�(ji茅)鏉熷偝杓镐箣鍚�锛岄洐鏂硅(di脿o)鐢�closesocket()鍑芥暩(sh霉)闂�(gu膩n)闁夊绡€(ji茅)瀛�銆傚叾浣跨敤鏂规硶濡傚湒3鎵€绀�銆�
鍦�3 娴佸紡濂楃瘈(ji茅)瀛楅€氫俊娴佺▼
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