XMPP之添加好友请求报文

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Presence.Type有七种  available （默认）用户空闲状态，即在线  unavailable 用户没空看消息，即离线  subscribe 请求订阅别人，即请求加对方为好友  subscribed  统一被别人订阅，也就是确认被对方加为好友  unsubscribe  他取消订阅别人，请求删除某好友  unsubscribed  拒绝被别人订阅，即拒绝对方的添加请求  error -- 当前状态packet有错误好友双方对彼此的状态，有网友总结如下：  none：是用户和自己roster中的好友彼此不关心，既不想把自己的presence状态告诉对方，也不愿意收到对方presence更新消息  to：知道别人的出席消息，而别人不知道自己的出席信息  from：别人知道自己的出席信息, 但自己不知道别人的出席信息  Both:即收取对方状态更新，又将自己的更新告知对方  Remove :将对方干掉，不再关心他的任何信息。zxl1添加zxl2,加到Friends组，备注zxl2，C:client S:serverzxl1向zxl2发送添加请求Presence.Type.subscribe 订阅关系：nonezxl1->C:    <iq id="zR0f2-29" type="set">        <query xmlns="jabber:iq:roster">            <item jid="zxl2@user-20160421db" name="zxl2">                <group>Friends</group>            </item>        </query>    </iq> S:    <iq type="set" id="632-3020" to="zxl1@user-20160421db/Spark">        <query xmlns="jabber:iq:roster">            <item jid="zxl2@user-20160421db" name="zxl2" subscription="none">                <group>Friends</group>            </item>        </query>    </iq>  zxl1->C:TCP S:<iq type="result" id="zR0f2-29" to="zxl1@user-20160421db/Spark"/> zxl1-> C:        <presence id="zR0f2-30" to="zxl2@user-20160421db" type="subscribe">            <x xmlns="vcard-temp:x:update">                <photo>ba8c94a333af7a23d9e44c41b2aa22dd2224dadc</photo>            </x>            <x xmlns="jabber:x:avatar">                <hash>ba8c94a333af7a23d9e44c41b2aa22dd2224dadc</hash>            </x>        </presence>  S:    <iq type="set" id="331-3022" to="zxl1@user-20160421db/Spark">        <query xmlns="jabber:iq:roster">            <item jid="zxl2@user-20160421db" name="zxl2" ask="subscribe" subscription="none">                <group>Friends</group>            </item>        </query>    </iq> zxl1->C:TCP之后就分为3个场景场景一：zxl2收到zxl1的请求，拒绝zxl1 订阅关系：none S: <presence id="SIuGQ-28" to="zxl1@user-20160421db" type="unsubscribe">    <x xmlns="vcard-temp:x:update">        <photo>a76bac95d8fe05fb3df6142bc5cac14ce660345d</photo>    </x>    <x xmlns="jabber:x:avatar">        <hash>a76bac95d8fe05fb3df6142bc5cac14ce660345d</hash>    </x> </presence>场景二：zxl2收到zxl1的请求，zxl2答应，zxl1拒绝 1.zxl2收到zxl1的请求，zxl2答应 订阅关系：zxl1:to zxl2:from  C:    <iq id="A7O3Y-27" type="get">        <ping xmlns='urn:xmpp:ping' />    </iq> S:    <iq type="result" id="A7O3Y-27" to="zxl2@user-20160421db/Spark"/> C:    TCP C:    <iq id="A7O3Y-28" type="set">        <query xmlns="jabber:iq:roster">            <item jid="zxl1@user-20160421db" name="">                <group>Friends</group>            </item>        </query>    </iq> S:    <iq type="set" id="971-3086" to="zxl2@user-20160421db/Spark">        <query xmlns="jabber:iq:roster">            <item jid="zxl1@user-20160421db" name="" subscription="from">                <group>Friends</group>            </item>        </query>    </iq> C:    TCP S:    <iq type="result" id="A7O3Y-28" to="zxl2@user-20160421db/Spark"/> C:    <presence id="A7O3Y-29" to="zxl1@user-20160421db" type="subscribe">        <x xmlns="vcard-temp:x:update">            <photo>a76bac95d8fe05fb3df6142bc5cac14ce660345d</photo>        </x>        <x xmlns="jabber:x:avatar">            <hash>a76bac95d8fe05fb3df6142bc5cac14ce660345d</hash>        </x>    </presence> S:    <iq type="set" id="505-3088" to="zxl2@user-20160421db/Spark">        <query xmlns="jabber:iq:roster">            <item jid="zxl1@user-20160421db" name="" ask="subscribe" subscription="from">                <group>Friends</group>            </item>        </query>    </iq> C:    <presence id="A7O3Y-30" to="zxl1@user-20160421db" type="subscribed">        <x xmlns="vcard-temp:x:update">            <photo>a76bac95d8fe05fb3df6142bc5cac14ce660345d</photo>        </x>        <x xmlns="jabber:x:avatar">            <hash>a76bac95d8fe05fb3df6142bc5cac14ce660345d</hash>        </x>    </presence> S:    TCP2.zxl1添加zxl2,zxl2答应，zxl1拒绝 zxl1:from zxl2:to C:     <presence id="RIdep-27" to="zxl2@user-20160421db" type="unsubscribe">        <x xmlns="vcard-temp:x:update">            <photo>ba8c94a333af7a23d9e44c41b2aa22dd2224dadc</photo>        </x>        <x xmlns="jabber:x:avatar">            <hash>ba8c94a333af7a23d9e44c41b2aa22dd2224dadc</hash>        </x>    </presence> S:    <iq type="set" id="278-3097" to="zxl1@user-20160421db/Spark">        <query xmlns="jabber:iq:roster">            <item jid="zxl2@user-20160421db" name="zxl2" ask="unsubscribe" subscription="from">                <group>Friends</group>            </item>        </query>    </iq> C:    TCP C:    <iq id="RIdep-28" type="get"><ping xmlns='urn:xmpp:ping' /></iq> S:    <iq type="result" id="RIdep-28" to="zxl1@user-20160421db/Spark"/> C:    TCP C:    <iq id="RIdep-29" type="get"><ping xmlns='urn:xmpp:ping' /></iq> S:    <iq type="result" id="RIdep-29" to="zxl1@user-20160421db/Spark"/> C:    TCP C:    <iq id="RIdep-30" type="get"><ping xmlns='urn:xmpp:ping' /></iq> S:    <iq type="result" id="RIdep-30" to="zxl1@user-20160421db/Spark"/> C:    TCP场景三：zxl1添加zxl2,zxl2答应，zxl1答应,两者关系bothzxl2收到zxl1的请求，zxl2答应 订阅关系：zxl1:to zxl2:from    同场景二的第1步zxl1添加zxl2,zxl2答应，zxl1答应 ,订阅关系：both C:    <presence id="gGoyI-33" to="zxl2@user-20160421db" type="subscribed">        <x xmlns="vcard-temp:x:update">            <photo>d502a48d3e02f421269f9b1393c1f0cd825a8e4f</photo>        </x>        <x xmlns="jabber:x:avatar">            <hash>d502a48d3e02f421269f9b1393c1f0cd825a8e4f</hash>        </x>    </presence> S:    <iq type="set" id="456-431" to="zxl1@user-20160421db/Spark">        <query xmlns="jabber:iq:roster">            <item jid="zxl2@user-20160421db" name="zxl2" subscription="both">                <group>Friends</group>            </item>        </query>    </iq>
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