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<div class="WordSection1">
<p class="MsoNormal" align="left" style="text-align:left;text-autospace:ideograph-numeric ideograph-other;word-break:keep-all">
<span lang="EN-US" style="font-size:11.0pt;font-family:"Calibri",sans-serif">Hello,<o:p></o:p></span></p>
<p class="MsoNormal" align="left" style="text-align:left;text-autospace:ideograph-numeric ideograph-other;word-break:keep-all">
<span lang="EN-US" style="font-size:11.0pt;font-family:"Calibri",sans-serif"><o:p> </o:p></span></p>
<p class="MsoNormal" align="left" style="text-align:left;text-autospace:ideograph-numeric ideograph-other;word-break:keep-all">
<span lang="EN-US" style="font-size:11.0pt;font-family:"Calibri",sans-serif">My name is Alex Lee.<o:p></o:p></span></p>
<p class="MsoNormal" align="left" style="text-align:left;text-autospace:ideograph-numeric ideograph-other;word-break:keep-all">
<span lang="EN-US" style="font-size:11.0pt;font-family:"Calibri",sans-serif">Current my streaming server is using direct Linux socket API such as (socket, bind, listen, poll, accept, read/write)<o:p></o:p></span></p>
<p class="MsoNormal" align="left" style="text-align:left;text-autospace:ideograph-numeric ideograph-other;word-break:keep-all">
<span lang="EN-US" style="font-size:11.0pt;font-family:"Calibri",sans-serif"> <o:p></o:p></span></p>
<p class="MsoNormal" align="left" style="text-align:left;text-autospace:ideograph-numeric ideograph-other;word-break:keep-all">
<span lang="EN-US" style="font-size:11.0pt;font-family:"Calibri",sans-serif">My streaming server receives connection request from several clients and send streaming data back to those requested clients.<o:p></o:p></span></p>
<p class="MsoNormal" align="left" style="text-align:left;text-autospace:ideograph-numeric ideograph-other;word-break:keep-all">
<span lang="EN-US" style="font-size:11.0pt;font-family:"Calibri",sans-serif">The streaming server normally does below routine.<o:p></o:p></span></p>
<p class="MsoNormal" align="left" style="text-align:left;text-autospace:ideograph-numeric ideograph-other;word-break:keep-all">
<span lang="EN-US" style="font-size:11.0pt;font-family:"Calibri",sans-serif"> <o:p></o:p></span></p>
<p class="MsoListParagraph" align="left" style="margin-left:38.0pt;mso-para-margin-left:0gd;text-align:left;text-indent:-18.0pt;mso-list:l7 level1 lfo9;text-autospace:ideograph-numeric ideograph-other;vertical-align:middle;word-break:keep-all">
<![if !supportLists]><span lang="EN-US" style="font-size:11.0pt;font-family:"Calibri",sans-serif"><span style="mso-list:Ignore">1)<span style="font:7.0pt "Times New Roman"">     
</span></span></span><![endif]><span lang="EN-US" style="font-size:11.0pt;font-family:"Calibri",sans-serif">socket(AF_UNIX, SOCK_STREAM, 0);   (Create a server socket)<o:p></o:p></span></p>
<p class="MsoListParagraph" align="left" style="margin-left:38.0pt;mso-para-margin-left:0gd;text-align:left;text-indent:-18.0pt;mso-list:l7 level1 lfo9;text-autospace:ideograph-numeric ideograph-other;word-break:keep-all">
<![if !supportLists]><span lang="EN-US" style="font-size:11.0pt;font-family:"Calibri",sans-serif"><span style="mso-list:Ignore">2)<span style="font:7.0pt "Times New Roman"">     
</span></span></span><![endif]><span lang="EN-US" style="font-size:11.0pt;font-family:"Calibri",sans-serif">bind(serverSocket, (struct sockaddr*), .)<o:p></o:p></span></p>
<p class="MsoListParagraph" align="left" style="margin-left:38.0pt;mso-para-margin-left:0gd;text-align:left;text-indent:-18.0pt;mso-list:l7 level1 lfo9;text-autospace:ideograph-numeric ideograph-other;word-break:keep-all">
<![if !supportLists]><span lang="EN-US" style="font-size:11.0pt;font-family:"Calibri",sans-serif"><span style="mso-list:Ignore">3)<span style="font:7.0pt "Times New Roman"">     
</span></span></span><![endif]><span lang="EN-US" style="font-size:11.0pt;font-family:"Calibri",sans-serif">listen()<o:p></o:p></span></p>
<p class="MsoListParagraph" align="left" style="margin-left:38.0pt;mso-para-margin-left:0gd;text-align:left;text-indent:-18.0pt;mso-list:l7 level1 lfo9;text-autospace:ideograph-numeric ideograph-other;word-break:keep-all">
<![if !supportLists]><span lang="EN-US" style="font-size:11.0pt;font-family:"Calibri",sans-serif"><span style="mso-list:Ignore">4)<span style="font:7.0pt "Times New Roman"">     
</span></span></span><![endif]><span lang="EN-US" style="font-size:11.0pt;font-family:"Calibri",sans-serif">poll()<o:p></o:p></span></p>
<p class="MsoListParagraph" align="left" style="margin-left:38.0pt;mso-para-margin-left:0gd;text-align:left;text-indent:-18.0pt;mso-list:l7 level1 lfo9;text-autospace:ideograph-numeric ideograph-other;word-break:keep-all">
<![if !supportLists]><span lang="EN-US" style="font-size:11.0pt;font-family:"Calibri",sans-serif"><span style="mso-list:Ignore">5)<span style="font:7.0pt "Times New Roman"">     
</span></span></span><![endif]><span lang="EN-US" style="font-size:11.0pt;font-family:"Calibri",sans-serif">accept()<o:p></o:p></span></p>
<p class="MsoListParagraph" align="left" style="margin-left:38.0pt;mso-para-margin-left:0gd;text-align:left;text-indent:-18.0pt;mso-list:l7 level1 lfo9;text-autospace:ideograph-numeric ideograph-other;word-break:keep-all">
<![if !supportLists]><span lang="EN-US" style="font-size:11.0pt;font-family:"Calibri",sans-serif"><span style="mso-list:Ignore">6)<span style="font:7.0pt "Times New Roman"">     
</span></span></span><![endif]><span lang="EN-US" style="font-size:11.0pt;font-family:"Calibri",sans-serif">read()/write() for the accept client connections<o:p></o:p></span></p>
<p class="MsoNormal" align="left" style="margin-left:27.0pt;text-align:left;text-autospace:ideograph-numeric ideograph-other;word-break:keep-all">
<span lang="EN-US" style="font-size:11.0pt;font-family:"Calibri",sans-serif"> <o:p></o:p></span></p>
<p class="MsoNormal" align="left" style="text-align:left;text-autospace:ideograph-numeric ideograph-other;word-break:keep-all">
<span lang="EN-US" style="font-size:11.0pt;font-family:"Calibri",sans-serif">I'd like to convert above routines using build-in service loop entry provided in libwebsocket.<o:p></o:p></span></p>
<p class="MsoNormal" align="left" style="text-align:left;text-autospace:ideograph-numeric ideograph-other;word-break:keep-all">
<span lang="EN-US" style="font-size:11.0pt;font-family:"Calibri",sans-serif">I've read some of libwebsocket's API usage documents and ran examples in my Ubuntu machine.<o:p></o:p></span></p>
<p class="MsoNormal" align="left" style="text-align:left;text-autospace:ideograph-numeric ideograph-other;word-break:keep-all">
<span lang="EN-US" style="font-size:11.0pt;font-family:"Calibri",sans-serif"> <o:p></o:p></span></p>
<p class="MsoNormal" align="left" style="text-align:left;text-autospace:ideograph-numeric ideograph-other;word-break:keep-all">
<span lang="EN-US" style="font-size:11.0pt;font-family:"Calibri",sans-serif">I'd like to get a confirmation before I start migration to libwebsocket whether my approach is correct or not.
<o:p></o:p></span></p>
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<span lang="EN-US" style="font-size:11.0pt;font-family:"Calibri",sans-serif">I'd like to use lws's internal built-in service loop entry.<o:p></o:p></span></p>
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<span lang="EN-US" style="font-size:11.0pt;font-family:"Calibri",sans-serif">What I'll do is as below.<o:p></o:p></span></p>
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<span lang="EN-US" style="font-size:11.0pt;font-family:"Calibri",sans-serif"> <o:p></o:p></span></p>
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<![if !supportLists]><span lang="EN-US" style="font-size:11.0pt;font-family:"Calibri",sans-serif"><span style="mso-list:Ignore">1.<span style="font:7.0pt "Times New Roman"">      
</span></span></span><![endif]><span lang="EN-US" style="font-size:11.0pt;font-family:"Calibri",sans-serif">I'll make static struct lws_protocols protocols[] which has my_callback_http as an lws_context_creation_info's protocols field.<o:p></o:p></span></p>
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<![if !supportLists]><span lang="EN-US" style="font-size:11.0pt;font-family:"Calibri",sans-serif"><span style="mso-list:Ignore">2.<span style="font:7.0pt "Times New Roman"">      
</span></span></span><![endif]><span lang="EN-US" style="font-size:11.0pt;font-family:"Calibri",sans-serif">I'll
<b>NOT</b> call any linux socket related APIs such as socket, bind, listen, poll, accept, read, write directly.<o:p></o:p></span></p>
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<span lang="EN-US" style="font-size:11.0pt;font-family:"Calibri",sans-serif">Instead, I'll just let lws_service api handle all socket related functionalities just like many examples do and will receive event and data through my_callback_http registered in context.<o:p></o:p></span></p>
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<![if !supportLists]><span lang="EN-US" style="font-size:11.0pt;font-family:"Calibri",sans-serif"><span style="mso-list:Ignore">3.<span style="font:7.0pt "Times New Roman"">      
</span></span></span><![endif]><span lang="EN-US" style="font-size:11.0pt;font-family:"Calibri",sans-serif">I believe that my_callback_http will get called for client connections and receive requests from clients.<o:p></o:p></span></p>
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<span lang="EN-US" style="font-size:11.0pt;font-family:"Calibri",sans-serif">Then I'll send binary streaming data using lws_write instead of using socket API such as accept, read, write and etc.<o:p></o:p></span></p>
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<![if !supportLists]><span lang="EN-US" style="font-size:11.0pt;font-family:"Calibri",sans-serif"><span style="mso-list:Ignore">4.<span style="font:7.0pt "Times New Roman"">      
</span></span></span><![endif]><span lang="EN-US" style="font-size:11.0pt;font-family:"Calibri",sans-serif">I am not thinking to use LWS_WITH_EXTERNAL_POLL because I am not running another sever.<o:p></o:p></span></p>
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<span lang="EN-US" style="font-size:11.0pt;font-family:"Calibri",sans-serif"> <o:p></o:p></span></p>
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<span lang="EN-US" style="font-size:11.0pt;font-family:"Calibri",sans-serif">Please confirm if my approach above is correct.<o:p></o:p></span></p>
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<span lang="EN-US" style="font-size:11.0pt;font-family:"Calibri",sans-serif">If wrong, please correct me.<o:p></o:p></span></p>
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<span lang="EN-US" style="font-size:11.0pt;font-family:"Calibri",sans-serif"> <o:p></o:p></span></p>
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<span lang="EN-US" style="font-size:11.0pt;font-family:"Calibri",sans-serif">Thank you for guide and the help!.<o:p></o:p></span></p>
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<span lang="EN-US" style="font-size:11.0pt;font-family:"Calibri",sans-serif"> <o:p></o:p></span></p>
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<span lang="EN-US" style="font-size:11.0pt;font-family:"Calibri",sans-serif">Best Regards,<o:p></o:p></span></p>
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<span lang="EN-US" style="font-size:11.0pt;font-family:"Calibri",sans-serif">Alex<o:p></o:p></span></p>
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