Proactor鍜孯eactor妯″紡_缁х画骞跺彂绯荤粺璁捐鐨勬壂鐩?杞
Proactor鍜孯eactor妯″紡_缁х画骞跺彂绯荤粺璁捐鐨勬壂鐩?杞?
Proactor鍜孯eactor妯″紡_缁х画骞跺彂绯荤粺璁捐鐨勬壂鐩?
Proactor鍜孯eactor閮芥槸骞跺彂缂栫▼涓殑璁捐妯″紡銆傚湪鎴戠湅鏉ワ紝浠栦滑閮芥槸鐢ㄤ簬娲惧彂/鍒嗙IO鎿嶄綔浜嬩欢鐨勩€傝繖閲屾墍璋撶殑
IO浜嬩欢涔熷氨鏄濡俽ead/write鐨処O鎿嶄綔銆?娲惧彂/鍒嗙"灏辨槸灏嗗崟鐙殑IO浜嬩欢閫氱煡鍒颁笂灞傛ā鍧椼€備袱涓ā寮忎笉鍚岀殑鍦版柟
鍦ㄤ簬锛孭roactor鐢ㄤ簬寮傛IO锛岃€孯eactor鐢ㄤ簬鍚屾IO銆?
鍙互鐪嬪嚭锛屼袱涓ā寮忕殑鐩稿悓鐐癸紝閮芥槸瀵规煇涓狪O浜嬩欢鐨勪簨浠堕€氱煡(鍗冲憡璇夋煇涓ā鍧楋紝杩欎釜IO鎿嶄綔鍙互杩涜鎴栧凡缁忓畬鎴?銆傚湪缁撴瀯
涓婏紝涓よ€呬篃鏈夌浉鍚岀偣锛歞emultiplexor璐熻矗鎻愪氦IO鎿嶄綔(寮傛)銆佹煡璇㈣澶囨槸鍚﹀彲鎿嶄綔(鍚屾)锛岀劧鍚庡綋鏉′欢婊¤冻鏃讹紝灏卞洖璋僪andler銆?
涓嶅悓鐐瑰湪浜庯紝寮傛鎯呭喌涓?Proactor)锛屽綋鍥炶皟handler鏃讹紝琛ㄧずIO鎿嶄綔宸茬粡瀹屾垚锛涘悓姝ユ儏鍐典笅(Reactor)锛屽洖璋僪andler鏃讹紝琛ㄧず
IO璁惧鍙互杩涜鏌愪釜鎿嶄綔(can read or can write)锛宧andler杩欎釜鏃跺€欏紑濮嬫彁浜ゆ搷浣溿€?
Reactor閫氳繃鏌愮鍙樺舰锛屽彲浠ュ皢鍏舵敼瑁呬负Proactor锛屽湪鏌愪簺涓嶆敮鎸佸紓姝O鐨勭郴缁熶笂锛屼篃鍙互闅愯棌搴曞眰鐨勫疄鐜帮紝鍒╀簬缂栧啓璺ㄥ钩鍙?
浠ｇ爜銆傛垜浠彧闇€瑕佸湪dispatch(涔熷氨鏄痙emultiplexor)涓皝瑁呭悓姝O鎿嶄綔鐨勪唬鐮侊紝鍦ㄤ笂灞傦紝鐢ㄦ埛鎻愪氦鑷繁鐨勭紦鍐插尯鍒拌繖涓€灞傦紝
杩欎竴灞傛鏌ュ埌璁惧鍙搷浣滄椂锛屼笉鍍忓師鏉ョ珛鍗冲洖璋僪andler锛岃€屾槸寮€濮婭O鎿嶄綔锛岀劧鍚庡皢鎿嶄綔缁撴灉鏀惧埌鐢ㄦ埛缂撳啿鍖?璇?锛岀劧鍚庡啀
鍥炶皟handler銆傝繖鏍凤紝瀵逛簬涓婂眰handler鑰岃█锛屽氨鍍忔槸proactor涓€鏍枫€傝缁嗘妧娉曞弬瑙佽繖绡囨枃绔犮€?
鍏跺疄灏辫璁℃ā寮忚€岃█锛屾垜涓汉瑙夊緱鏌愪釜妯″紡鍏跺疄鏄病鏈夊畬鍏ㄥ浐瀹氱殑缁撴瀯鐨勩€備笉鑳借鏌愪釜妯″紡閲屽氨鑲畾浼氭湁鏌愪釜绫伙紝绫讳箣闂寸殑
鍏崇郴灏辫偗瀹氭槸杩欐牱銆傚湪瀹為檯鍐欑▼搴忚繃绋嬩腑涔熷緢灏戝幓鐗瑰埆鍦板疄鐜版煇涓ā寮忥紝鍙兘璇存ā寮忎細缁欎綘鏇村鏇村ソ鐨勬灦鏋勬柟妗堛€?
鏈€杩戝湪鐪媠pserver鐨勪唬鐮侊紝鐪嬪埌鍒汉鎻愬悇绉嶅苟鍙戠郴缁熶腑鐨勬ā寮忥紝鏈夌偣鐪肩孩锛屼簬鏄墠鏉ユ壂鎵洸銆傜煡閬撲粈涔堟槸leader follower妯″紡锛?
reactor, proactor锛宮ultiplexing锛屽浜庡績涓殑閭ｄ釜缃戠粶搴撲篃瓒婃潵瓒婃竻鏅般€?
鏈€杩戣繕骞蹭簡浜涚璋辩殑浜嬶紝鍐欎簡浼犺涓殑瀛楄妭娴佺紪鐮侊紝鐢ㄦā鏉跨殑鏂瑰紡瀹炵幇锛屼笉浣嗕繚鎸佷簡鎵╁睍鎬э紝杩樺皯鍐欏緢澶氫唬鐮侊紱澶勪簬鏁堢巼鑰冭檻锛?
鍐欎簡涓猻tatic array瀹瑰櫒(鍏跺疄灏辨槸template <typename _Tp, std::size_t size> class static_array { _Tp _con[size])锛?
鍔犱簡iterator锛岄伒寰猄TL鏍囧噯锛屽彲浠ョ粨鍚堣繘STL鐨勫悇涓猤eneric algorithm鐢紝鑷垜鎰熻涓嶉敊銆傚熀纭€妯″潡鎼缓瀹屾瘯锛岃В鏋愪簡鍏徃
鏈嶅姟鍣ㄧ綉缁滄ā鍧楃殑娑堟伅锛屾垜鏄笉鏄湡鐨勬墦绠楃敤鑷繁鐨勭綉缁滄ā鍧楅噸鍐欐垜鐨勯獙璇佹湇鍔″櫒锛熷湪鍙︿竴涓粰鍏徃鍐欑殑宸ュ叿閲岋紝鍥犱负瀹炲湪鍘屾伓
瓒婃潵瓒婂鐨勯噸澶嶄唬鐮侊紝绱㈡€у啓浜嗗嚑涓畯锛岃繕鐪熺殑鍋氬埌浜嗕唬鐮佺殑鑷姩鐢熸垚:D銆?
瀵逛紭闆呬唬鐮佺殑杩芥眰鐪熺殑鎴愪簡绉嶇櫀濂? = =|
Proactor鍜孯eactor妯″紡_缁х画骞跺彂绯荤粺璁捐鐨勬壂鐩?
Proactor鍜孯eactor閮芥槸骞跺彂缂栫▼涓殑璁捐妯″紡銆傚湪鎴戠湅鏉ワ紝浠栦滑閮芥槸鐢ㄤ簬娲惧彂/鍒嗙IO鎿嶄綔浜嬩欢鐨勩€傝繖閲屾墍璋撶殑
IO浜嬩欢涔熷氨鏄濡俽ead/write鐨処O鎿嶄綔銆?娲惧彂/鍒嗙"灏辨槸灏嗗崟鐙殑IO浜嬩欢閫氱煡鍒颁笂灞傛ā鍧椼€備袱涓ā寮忎笉鍚岀殑鍦版柟
鍦ㄤ簬锛孭roactor鐢ㄤ簬寮傛IO锛岃€孯eactor鐢ㄤ簬鍚屾IO銆?
鍙互鐪嬪嚭锛屼袱涓ā寮忕殑鐩稿悓鐐癸紝閮芥槸瀵规煇涓狪O浜嬩欢鐨勪簨浠堕€氱煡(鍗冲憡璇夋煇涓ā鍧楋紝杩欎釜IO鎿嶄綔鍙互杩涜鎴栧凡缁忓畬鎴?銆傚湪缁撴瀯
涓婏紝涓よ€呬篃鏈夌浉鍚岀偣锛歞emultiplexor璐熻矗鎻愪氦IO鎿嶄綔(寮傛)銆佹煡璇㈣澶囨槸鍚﹀彲鎿嶄綔(鍚屾)锛岀劧鍚庡綋鏉′欢婊¤冻鏃讹紝灏卞洖璋僪andler銆?
涓嶅悓鐐瑰湪浜庯紝寮傛鎯呭喌涓?Proactor)锛屽綋鍥炶皟handler鏃讹紝琛ㄧずIO鎿嶄綔宸茬粡瀹屾垚锛涘悓姝ユ儏鍐典笅(Reactor)锛屽洖璋僪andler鏃讹紝琛ㄧず
IO璁惧鍙互杩涜鏌愪釜鎿嶄綔(can read or can write)锛宧andler杩欎釜鏃跺€欏紑濮嬫彁浜ゆ搷浣溿€?
Reactor閫氳繃鏌愮鍙樺舰锛屽彲浠ュ皢鍏舵敼瑁呬负Proactor锛屽湪鏌愪簺涓嶆敮鎸佸紓姝O鐨勭郴缁熶笂锛屼篃鍙互闅愯棌搴曞眰鐨勫疄鐜帮紝鍒╀簬缂栧啓璺ㄥ钩鍙?
浠ｇ爜銆傛垜浠彧闇€瑕佸湪dispatch(涔熷氨鏄痙emultiplexor)涓皝瑁呭悓姝O鎿嶄綔鐨勪唬鐮侊紝鍦ㄤ笂灞傦紝鐢ㄦ埛鎻愪氦鑷繁鐨勭紦鍐插尯鍒拌繖涓€灞傦紝
杩欎竴灞傛鏌ュ埌璁惧鍙搷浣滄椂锛屼笉鍍忓師鏉ョ珛鍗冲洖璋僪andler锛岃€屾槸寮€濮婭O鎿嶄綔锛岀劧鍚庡皢鎿嶄綔缁撴灉鏀惧埌鐢ㄦ埛缂撳啿鍖?璇?锛岀劧鍚庡啀
鍥炶皟handler銆傝繖鏍凤紝瀵逛簬涓婂眰handler鑰岃█锛屽氨鍍忔槸proactor涓€鏍枫€傝缁嗘妧娉曞弬瑙佽繖绡囨枃绔犮€?
鍏跺疄灏辫璁℃ā寮忚€岃█锛屾垜涓汉瑙夊緱鏌愪釜妯″紡鍏跺疄鏄病鏈夊畬鍏ㄥ浐瀹氱殑缁撴瀯鐨勩€備笉鑳借鏌愪釜妯″紡閲屽氨鑲畾浼氭湁鏌愪釜绫伙紝绫讳箣闂寸殑
鍏崇郴灏辫偗瀹氭槸杩欐牱銆傚湪瀹為檯鍐欑▼搴忚繃绋嬩腑涔熷緢灏戝幓鐗瑰埆鍦板疄鐜版煇涓ā寮忥紝鍙兘璇存ā寮忎細缁欎綘鏇村鏇村ソ鐨勬灦鏋勬柟妗堛€?
鏈€杩戝湪鐪媠pserver鐨勪唬鐮侊紝鐪嬪埌鍒汉鎻愬悇绉嶅苟鍙戠郴缁熶腑鐨勬ā寮忥紝鏈夌偣鐪肩孩锛屼簬鏄墠鏉ユ壂鎵洸銆傜煡閬撲粈涔堟槸leader follower妯″紡锛?
reactor, proactor锛宮ultiplexing锛屽浜庡績涓殑閭ｄ釜缃戠粶搴撲篃瓒婃潵瓒婃竻鏅般€?
鏈€杩戣繕骞蹭簡浜涚璋辩殑浜嬶紝鍐欎簡浼犺涓殑瀛楄妭娴佺紪鐮侊紝鐢ㄦā鏉跨殑鏂瑰紡瀹炵幇锛屼笉浣嗕繚鎸佷簡鎵╁睍鎬э紝杩樺皯鍐欏緢澶氫唬鐮侊紱澶勪簬鏁堢巼鑰冭檻锛?
鍐欎簡涓猻tatic array瀹瑰櫒(鍏跺疄灏辨槸template <typename _Tp, std::size_t size> class static_array { _Tp _con[size])锛?
鍔犱簡iterator锛岄伒寰猄TL鏍囧噯锛屽彲浠ョ粨鍚堣繘STL鐨勫悇涓猤eneric algorithm鐢紝鑷垜鎰熻涓嶉敊銆傚熀纭€妯″潡鎼缓瀹屾瘯锛岃В鏋愪簡鍏徃
鏈嶅姟鍣ㄧ綉缁滄ā鍧楃殑娑堟伅锛屾垜鏄笉鏄湡鐨勬墦绠楃敤鑷繁鐨勭綉缁滄ā鍧楅噸鍐欐垜鐨勯獙璇佹湇鍔″櫒锛熷湪鍙︿竴涓粰鍏徃鍐欑殑宸ュ叿閲岋紝鍥犱负瀹炲湪鍘屾伓
瓒婃潵瓒婂鐨勯噸澶嶄唬鐮侊紝绱㈡€у啓浜嗗嚑涓畯锛岃繕鐪熺殑鍋氬埌浜嗕唬鐮佺殑鑷姩鐢熸垚:D銆?
瀵逛紭闆呬唬鐮佺殑杩芥眰鐪熺殑鎴愪簡绉嶇櫀濂? = =|