XMPPFramework是一個OS X/iOS平臺的開源項目，使用Objective-C實現(xiàn)了XMPP協(xié)議（RFC-3920），同時還提供了用于讀寫XML的工具，大大簡化了基于XMPP的通信應(yīng)用的開發(fā)。

1. 登錄和好友上下線

1.1XMPP中常用對象們

• XMPPStream：xmpp基礎(chǔ)服務(wù)類

• XMPPRoster：好友列表類

• XMPPRosterCoreDataStorage：好友列表（用戶賬號）在core data中的操作類

• XMPPvCardCoreDataStorage：好友名片（昵稱，簽名，性別，年齡等信息）在core data中的操作類

• XMPPvCardTemp：好友名片實體類，從數(shù)據(jù)庫里取出來的都是它

• xmppvCardAvatarModule：好友頭像

• XMPPReconnect：如果失去連接,自動重連

• XMPPRoom：提供多用戶聊天支持

• XMPPPubSub：發(fā)布訂閱

1.2登錄操作，也就是連接xmpp服務(wù)器

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-?(void)connect?{ ????if?(self.xmppStream?==?nil)?{ ????????self.xmppStream?=?[[XMPPStream?alloc]?init]; ????????[self.xmppStream?addDelegate:self?delegateQueue:dispatch_get_main_queue()]; ????} ????if?(![self.xmppStream?isConnected])?{ ????????NSString?*username?=?[[NSUserDefaults?standardUserDefaults]?objectForKey:@"username"]; ????????XMPPJID?*jid?=?[XMPPJID?jidWithUser:username?domain:@"lizhen"?resource:@"Ework"]; ????????[self.xmppStream?setMyJID:jid]; ????????[self.xmppStream?setHostName:@"10.4.125.113"]; ????????NSError?*error?=?nil; ????????if?(![self.xmppStream?connect:&error])?{ ????????????NSLog(@"Connect?Error:?%@",?[[error?userInfo]?description]); ????????} ????} }

connect成功之后會依次調(diào)用XMPPStreamDelegate的方法，首先調(diào)用

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-?(void)xmppStream:(XMPPStream?*)sender?socketDidConnect:(GCDAsyncSocket?*)socket ...

然后

1	-?(void)xmppStreamDidConnect:(XMPPStream?*)sender

在該方法下面需要使用xmppStream 的authenticateWithPassword方法進行密碼驗證，成功的話會響應(yīng)delegate的方法，就是下面這個

1	-?(void)xmppStreamDidAuthenticate:(XMPPStream?*)sender

1.3上線

實現(xiàn)?- (void)xmppStreamDidAuthenticate:(XMPPStream?*)sender?委托方法

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-?(void)xmppStreamDidAuthenticate:(XMPPStream?*)sender?{ ????XMPPPresence?*presence?=?[XMPPPresence?presenceWithType:@"available"]; ????[self.xmppStream?sendElement:presence]; }

1.4退出并斷開連接

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-?(void)disconnect?{ ????XMPPPresence?*presence?=?[XMPPPresence?presenceWithType:@"unavailable"]; ????[self.xmppStream?sendElement:presence]; ?????? ????[self.xmppStream?disconnect]; }

1.5好友狀態(tài)

獲取好友狀態(tài)，通過實現(xiàn)?

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-?(void)xmppStream:(XMPPStream?*)sender?didReceivePresence:(XMPPPresence?*)presence ...

方法，當(dāng)接收到 presence 標(biāo)簽的內(nèi)容時，XMPPFramework 框架回調(diào)該方法?

一個 presence 標(biāo)簽的格式一般如下：

presence 的狀態(tài)：

• available 上線

• away 離開

• do not disturb 忙碌

• unavailable 下線

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-?(void)xmppStream:(XMPPStream?*)sender?didReceivePresence:(XMPPPresence?*)presence?{ ????NSString?*presenceType?=?[presence?type]; ????NSString?*presenceFromUser?=?[[presence?from]?user]; ????if?(![presenceFromUser?isEqualToString:[[sender?myJID]?user]])?{ ????????if?([presenceType?isEqualToString:@"available"])?{ ????????????// ????????}?else?if?([presenceType?isEqualToString:@"unavailable"])?{ ????????????// ????????} ????} }

2. 接收消息和發(fā)送消息

2.1接收消息

通過實現(xiàn)?

1	-?(void)xmppStream:(XMPPStream?*)sender?didReceiveMessage:(XMPPMessage?*)message;

方法

當(dāng)接收到 message 標(biāo)簽的內(nèi)容時，XMPPFramework 框架回調(diào)該方法

根據(jù) XMPP 協(xié)議，消息體的內(nèi)容存儲在標(biāo)簽 body 內(nèi)

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-?(void)xmppStream:(XMPPStream?*)sender?didReceiveMessage:(XMPPMessage?*)message?{ ????NSString?*messageBody?=?[[message?elementForName:@"body"]?stringValue]; }

2.2發(fā)送消息

發(fā)送消息，我們需要根據(jù) XMPP 協(xié)議，將數(shù)據(jù)放到標(biāo)簽內(nèi)，例如：

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-?(void)sendMessage:(NSString?*)?message?toUser:(NSString?*)?user?{ ????NSXMLElement?*body?=?[NSXMLElement?elementWithName:@"body"]; ????[body?setStringValue:message]; ????NSXMLElement?*message?=?[NSXMLElement?elementWithName:@"message"]; ????[message?addAttributeWithName:@"type"?stringValue:@"chat"]; ????NSString?*to?=?[NSString?stringWithFormat:@"%@@example.com",?user]; ????[message?addAttributeWithName:@"to"?stringValue:to]; ????[message?addChild:body]; ????[self.xmppStream?sendElement:message]; }

3. 獲取好友信息和刪除好友

3.1好友列表和好友名片

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[_xmppRoster?fetchRoster];//獲取好友列表 //獲取到一個好友節(jié)點 -?(void)xmppRoster:(XMPPRoster?*)sender?didRecieveRosterItem:(NSXMLElement?*)item //獲取完好友列表 -?(void)xmppRosterDidEndPopulating:(XMPPRoster?*)sender //到服務(wù)器上請求聯(lián)系人名片信息 -?(void)fetchvCardTempForJID:(XMPPJID?*)jid; //請求聯(lián)系人的名片，如果數(shù)據(jù)庫有就不請求，沒有就發(fā)送名片請求 -?(void)fetchvCardTempForJID:(XMPPJID?*)jid?ignoreStorage:(BOOL)ignoreStorage; //獲取聯(lián)系人的名片，如果數(shù)據(jù)庫有就返回，沒有返回空，并到服務(wù)器上抓取 -?(XMPPvCardTemp?*)vCardTempForJID:(XMPPJID?*)jid?shouldFetch:(BOOL)shouldFetch; //更新自己的名片信息 -?(void)updateMyvCardTemp:(XMPPvCardTemp?*)vCardTemp; //獲取到一盒聯(lián)系人的名片信息的回調(diào) -?(void)xmppvCardTempModule:(XMPPvCardTempModule?*)vCardTempModule? ????????didReceivevCardTemp:(XMPPvCardTemp?*)vCardTemp? ?????????????????????forJID:(XMPPJID?*)jid

3.2添加好友

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????//name為用戶賬號 ????-?(void)XMPPAddFriendSubscribe:(NSString?*)name ????{ ????????//XMPPHOST?就是服務(wù)器名，??主機名 ????????XMPPJID?*jid?=?[XMPPJID?jidWithString:[NSString?stringWithFormat:@"%@@%@",name,XMPPHOST]]; ????????//[presence?addAttributeWithName:@"subscription"?stringValue:@"好友"]; ????????[xmppRoster?subscribePresenceToUser:jid]; ?????????? ????}

3.3收到添加好友的請求

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????-?(void)xmppRoster:(XMPPRoster?*)sender?didReceivePresenceSubscriptionRequest:(XMPPPresence?*)presence ????{ ????????//取得好友狀態(tài) ????????NSString?*presenceType?=?[NSString?stringWithFormat:@"%@",?[presence?type]];?//online/offline ????????//請求的用戶 ????????NSString?*presenceFromUser?=[NSString?stringWithFormat:@"%@",?[[presence?from]?user]]; ????????NSLog(@"presenceType:%@",presenceType); ?????????? ????????NSLog(@"presence2:%@??sender2:%@",presence,sender); ?????????? ????????XMPPJID?*jid?=?[XMPPJID?jidWithString:presenceFromUser]; ????????//接收添加好友請求 ????????[xmppRoster?acceptPresenceSubscriptionRequestFrom:jid?andAddToRoster:YES]; ?????????? ????}

3.4刪除好友

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//刪除好友，name為好友賬號 -?(void)removeBuddy:(NSString?*)name?? {?? ????XMPPJID?*jid?=?[XMPPJID?jidWithString:[NSString?stringWithFormat:@"%@@%@",name,XMPPHOST]];?? ???????? ????[self?xmppRoster]?removeUser:jid];?? }

4. 聊天室

初始化聊天室

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????XMPPJID?*roomJID?=?[XMPPJID?jidWithString:ROOM_JID]; ?????? ????xmppRoom?=?[[XMPPRoom?alloc]?initWithRoomStorage:self?jid:roomJID]; ?????? ????[xmppRoom?activate:xmppStream]; ????[xmppRoom?addDelegate:self?delegateQueue:dispatch_get_main_queue()];

創(chuàng)建聊天室成功

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????-?(void)xmppRoomDidCreate:(XMPPRoom?*)sender ????{ ????????DDLogInfo(@"%@:?%@",?THIS_FILE,?THIS_METHOD); ????}

加入聊天室，使用昵稱

1	????[xmppRoom?joinRoomUsingNickname:@"quack"?history:nil];

獲取聊天室信息

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????-?(void)xmppRoomDidJoin:(XMPPRoom?*)sender ????{ ????????[xmppRoom?fetchConfigurationForm]; ????????[xmppRoom?fetchBanList]; ????????[xmppRoom?fetchMembersList]; ????????[xmppRoom?fetchModeratorsList]; ????}

如果房間存在，會調(diào)用委托

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????//?收到禁止名單列表 ????-?(void)xmppRoom:(XMPPRoom?*)sender?didFetchBanList:(NSArray?*)items; ????//?收到好友名單列表 ????-?(void)xmppRoom:(XMPPRoom?*)sender?didFetchMembersList:(NSArray?*)items; ????//?收到主持人名單列表 ????-?(void)xmppRoom:(XMPPRoom?*)sender?didFetchModeratorsList:(NSArray?*)items;

房間不存在，調(diào)用委托

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????-?(void)xmppRoom:(XMPPRoom?*)sender?didNotFetchBanList:(XMPPIQ?*)iqError; ????-?(void)xmppRoom:(XMPPRoom?*)sender?didNotFetchMembersList:(XMPPIQ?*)iqError; ????-?(void)xmppRoom:(XMPPRoom?*)sender?didNotFetchModeratorsList:(XMPPIQ?*)iqError;

離開房間

1	[xmppRoom?deactivate:xmppStream];

XMPPRoomDelegate的其他代理方法:

離開聊天室

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????-?(void)xmppRoomDidLeave:(XMPPRoom?*)sender ????{ ????????DDLogVerbose(@"%@:?%@",?THIS_FILE,?THIS_METHOD); ????}

新人加入群聊

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????-?(void)xmppRoom:(XMPPRoom?*)sender?occupantDidJoin:(XMPPJID?*)occupantJID ????{ ????????DDLogVerbose(@"%@:?%@",?THIS_FILE,?THIS_METHOD); ????}

有人退出群聊

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????-?(void)xmppRoom:(XMPPRoom?*)sender?occupantDidLeave:(XMPPJID?*)occupantJID ????{ ????????DDLogVerbose(@"%@:?%@",?THIS_FILE,?THIS_METHOD); ????}

有人在群里發(fā)言

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????-?(void)xmppRoom:(XMPPRoom?*)sender?didReceiveMessage:(XMPPMessage?*)message?fromOccupant:(XMPPJID?*)occupantJID ????{ ????????DDLogVerbose(@"%@:?%@",?THIS_FILE,?THIS_METHOD); ????}

5. 消息回執(zhí)

這個是XEP－0184協(xié)議的內(nèi)容

協(xié)議內(nèi)容：

發(fā)送消息時附加回執(zhí)請求

代碼實現(xiàn)

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????NSString?*siID?=?[XMPPStream?generateUUID]; ????//發(fā)送消息 ????XMPPMessage?*message?=?[XMPPMessage?messageWithType:@"chat"?to:jid?elementID:siID]; ????NSXMLElement?*receipt?=?[NSXMLElement?elementWithName:@"request"?xmlns:@"urn:xmpp:receipts"]; ????[message?addChild:receipt]; ????[message?addBody:@"測試"]; ????[self.xmppStream?sendElement:message];

收到回執(zhí)請求的消息，發(fā)送回執(zhí)

代碼實現(xiàn)

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????-?(void)xmppStream:(XMPPStream?*)sender?didReceiveMessage:(XMPPMessage?*)message ????{ ????????//回執(zhí)判斷 ????????NSXMLElement?*request?=?[message?elementForName:@"request"]; ????????if?(request) ????????{ ????????????if?([request.xmlns?isEqualToString:@"urn:xmpp:receipts"])//消息回執(zhí) ????????????{ ????????????????//組裝消息回執(zhí) ????????????????XMPPMessage?*msg?=?[XMPPMessage?messageWithType:[message?attributeStringValueForName:@"type"]?to:message.from?elementID:[message?attributeStringValueForName:@"id"]]; ????????????????NSXMLElement?*recieved?=?[NSXMLElement?elementWithName:@"received"?xmlns:@"urn:xmpp:receipts"]; ????????????????[msg?addChild:recieved]; ?????????????????? ????????????????//發(fā)送回執(zhí) ????????????????[self.xmppStream?sendElement:msg]; ????????????} ????????}else ????????{ ????????????NSXMLElement?*received?=?[message?elementForName:@"received"]; ????????????if?(received) ????????????{ ????????????????if?([received.xmlns?isEqualToString:@"urn:xmpp:receipts"])//消息回執(zhí) ????????????????{ ????????????????????//發(fā)送成功 ????????????????????NSLog(@"message?send?success!"); ????????????????}?? ????????????}?? ????????}?? ?????????? ????????//消息處理?? ????????//...?? ????}

6. 添加AutoPing

為了監(jiān)聽服務(wù)器是否有效，增加心跳監(jiān)聽。用XEP-0199協(xié)議，在XMPPFrameWork框架下，封裝了?XMPPAutoPing 和?XMPPPing兩個類都可以使用，因為XMPPAutoPing已經(jīng)組合進了XMPPPing類，所以XMPPAutoPing使用起來更方便。

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//初始化并啟動ping -(void)autoPingProxyServer:(NSString*)strProxyServer { ????_xmppAutoPing?=?[[XMPPAutoPingalloc]?init]; ????[_xmppAutoPingactivate:_xmppStream]; ????[_xmppAutoPingaddDelegate:selfdelegateQueue:??dispatch_get_main_queue()]; ????_xmppAutoPing.respondsToQueries?=?YES; ????_xmppAutoPing.pingInterval=2;//ping?間隔時間 ????if?(nil?!=?strProxyServer) ????{ ???????_xmppAutoPing.targetJID?=?[XMPPJID?jidWithString:?strProxyServer?];//設(shè)置ping目標(biāo)服務(wù)器，如果為nil,則監(jiān)聽socketstream當(dāng)前連接上的那個服務(wù)器 ????} } //卸載監(jiān)聽 ?[_xmppAutoPing???deactivate]; ??[_xmppAutoPing???removeDelegate:self]; ???_xmppAutoPing?=?nil; //ping?XMPPAutoPingDelegate的委托方法: -?(void)xmppAutoPingDidSendPing:(XMPPAutoPing?*)sender { ????NSLog(@"-?(void)xmppAutoPingDidSendPing:(XMPPAutoPing?*)sender"); } -?(void)xmppAutoPingDidReceivePong:(XMPPAutoPing?*)sender { ????NSLog(@"-?(void)xmppAutoPingDidReceivePong:(XMPPAutoPing?*)sender"); } ??? -?(void)xmppAutoPingDidTimeout:(XMPPAutoPing?*)sender { ????NSLog(@"-?(void)xmppAutoPingDidTimeout:(XMPPAutoPing?*)sender"); }

轉(zhuǎn)載于:https://www.cnblogs.com/fengmin/p/4973848.html

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