iOS的XMPPFramework簡(jiǎn)單介紹（實(shí)現(xiàn)及時(shí)通信）

更新時(shí)間：2016年11月08日 09:36:31 作者：易穎

這篇文章主要介紹了iOS的XMPPFramework簡(jiǎn)單介紹（實(shí)現(xiàn)及時(shí)通信）,實(shí)現(xiàn)了基于XMPP協(xié)議通信的開發(fā)，有需要的朋友可以了解一下。

XMPPFramework是一個(gè)OS X/iOS平臺(tái)的開源項(xiàng)目，使用Objective-C實(shí)現(xiàn)了XMPP協(xié)議（RFC-3920），同時(shí)還提供了用于讀寫XML的工具，大大簡(jiǎn)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(duì)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(hào)）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(shí)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(dòng)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

- (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(huì)依次調(diào)用XMPPStreamDelegate的方法，首先調(diào)用

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

然后

- (void)xmppStreamDidConnect:(XMPPStream *)sender

在該方法下面需要使用xmppStream 的authenticateWithPassword方法進(jìn)行密碼驗(yàn)證，成功的話會(huì)響應(yīng)delegate的方法，就是下面這個(gè)

- (void)xmppStreamDidAuthenticate:(XMPPStream *)sender

1.3上線

實(shí)現(xiàn) - (void)xmppStreamDidAuthenticate:(XMPPStream *)sender 委托方法

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

1.4退出并斷開連接

- (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(shí)現(xiàn)

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

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

一個(gè) 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

- (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

當(dāng)接收到 message 標(biāo)簽的內(nèi)容時(shí)，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(chǔ)在標(biāo)簽 body 內(nèi)

- (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：

- (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

[_xmppRoster fetchRoster];//獲取好友列表
//獲取到一個(gè)好友節(jié)點(diǎn)
- (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(qǐng)求聯(lián)系人名片信息
- (void)fetchvCardTempForJID:(XMPPJID *)jid;
//請(qǐng)求聯(lián)系人的名片，如果數(shù)據(jù)庫有就不請(qǐng)求，沒有就發(fā)送名片請(qǐng)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

 //name為用戶賬號(hào)
  - (void)XMPPAddFriendSubscribe:(NSString *)name
  {
    //XMPPHOST 就是服務(wù)器名， 主機(jī)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(qǐng)求

 - (void)xmppRoster:(XMPPRoster *)sender didReceivePresenceSubscriptionRequest:(XMPPPresence *)presence
  {
    //取得好友狀態(tài)
    NSString *presenceType = [NSString stringWithFormat:@"%@", [presence type]]; //online/offline
    //請(qǐng)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(qǐng)求
    [xmppRoster acceptPresenceSubscriptionRequestFrom:jid andAddToRoster:YES];
     
  }

3.4刪除好友

//刪除好友，name為好友賬號(hào)
- (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

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

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

加入聊天室，使用昵稱

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

獲取聊天室信息

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

如果房間存在，會(huì)調(diào)用委托

 // 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

 - (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

[xmppRoom deactivate:xmppStream];

XMPPRoomDelegate的其他代理方法:

離開聊天室

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

新人加入群聊

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

有人退出群聊

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

有人在群里發(fā)言

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

5. 消息回執(zhí)

這個(gè)是XEP－0184協(xié)議的內(nèi)容。協(xié)議內(nèi)容：

發(fā)送消息時(shí)附加回執(zhí)請(qǐng)求

代碼實(shí)現(xiàn)

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(cè)試"];
  [self.xmppStream sendElement:message];

收到回執(zhí)請(qǐng)求的消息，發(fā)送回執(zhí)

代碼實(shí)現(xiàn)

 - (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(gè)類都可以使用，因?yàn)閄MPPAutoPing已經(jīng)組合進(jìn)了XMPPPing類，所以XMPPAutoPing使用起來更方便。

//初始化并啟動(dòng)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(shí)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(gè)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");
}

以上就是本文的全部?jī)?nèi)容，希望對(duì)大家的學(xué)習(xí)有所幫助，也希望大家多多支持腳本之家。

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