如何从ejabberd服务器上的xml中提取数据? [英] How to extract data from xml on ejabberd server?

问题描述

我正在使用自定义模块来查看ejabberd服务器上每个即将到来的数据包的数据.我在终端上的日志打印如下:

I am using custom module to view data of every coming packet on the ejabberd server. My log print on the terminal is given below:

18:30:06.370 [info] mod_stanza_ack a presence has been sent coming from: {jid,<<"e5d6d83c-ea77-4d10-aaac-4e0e38899ac2">>,<<"faiqkhan-virtualbox">>,<<"2923451306214954478930">>,<<"e5d6d83c-ea77-4d10-aaac-4e0e38899ac2">>,<<"faiqkhan-virtualbox">>,<<"2923451306214954478930">>}
18:30:06.371 [info] mod_stanza_ack a presence has been sent to: {jid,<<"e5d6d83c-ea77-4d10-aaac-4e0e38899ac2">>,<<"faiqkhan-virtualbox">>,<<>>,<<"e5d6d83c-ea77-4d10-aaac-4e0e38899ac2">>,<<"faiqkhan-virtualbox">>,<<>>}
18:30:06.372 [info] mod_stanza_ack a presence has been sent with the following packet:
 {presence,<<"IaOQN-29">>,unavailable,<<"en">>,{jid,<<"e5d6d83c-ea77-4d10-aaac-4e0e38899ac2">>,<<"faiqkhan-virtualbox">>,<<"2923451306214954478930">>,<<"e5d6d83c-ea77-4d10-aaac-4e0e38899ac2">>,<<"faiqkhan-virtualbox">>,<<"2923451306214954478930">>},{jid,<<"e5d6d83c-ea77-4d10-aaac-4e0e38899ac2">>,<<"faiqkhan-virtualbox">>,<<>>,<<"e5d6d83c-ea77-4d10-aaac-4e0e38899ac2">>,<<"faiqkhan-virtualbox">>,<<>>},undefined,[],undefined,[],#{ip => {0,0,0,0,0,65535,49320,422}}}

如何使用特定标记(例如:)从xml格式提取数据:从第一行和第二行开始: jid .

how can I extract data from xml format using specific tags like: from first and second line: jid.

推荐答案

使用 https://github.com/processone/xmpp#stanzas

... ejabberd源代码:P

There's plenty of example code in... ejabberd source code :P

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