<?xml version="1.0" encoding="UTF-8" standalone="yes" ?>
<!DOCTYPE bugzilla SYSTEM "https://bugs.webkit.org/page.cgi?id=bugzilla.dtd">

<bugzilla version="5.0.4.1"
          urlbase="https://bugs.webkit.org/"
          
          maintainer="admin@webkit.org"
>

    <bug>
          <bug_id>213698</bug_id>
          
          <creation_ts>2020-06-28 08:16:46 -0700</creation_ts>
          <short_desc>RTCDataChannel.bufferedAmount should stay the same even if channel is closed</short_desc>
          <delta_ts>2020-06-29 04:50:09 -0700</delta_ts>
          <reporter_accessible>1</reporter_accessible>
          <cclist_accessible>1</cclist_accessible>
          <classification_id>1</classification_id>
          <classification>Unclassified</classification>
          <product>WebKit</product>
          <component>Accessibility</component>
          <version>WebKit Nightly Build</version>
          <rep_platform>Unspecified</rep_platform>
          <op_sys>Unspecified</op_sys>
          <bug_status>RESOLVED</bug_status>
          <resolution>FIXED</resolution>
          
          
          <bug_file_loc></bug_file_loc>
          <status_whiteboard></status_whiteboard>
          <keywords>InRadar</keywords>
          <priority>P2</priority>
          <bug_severity>Normal</bug_severity>
          <target_milestone>---</target_milestone>
          
          
          <everconfirmed>1</everconfirmed>
          <reporter name="youenn fablet">youennf</reporter>
          <assigned_to name="youenn fablet">youennf</assigned_to>
          <cc>darin</cc>
    
    <cc>eric.carlson</cc>
    
    <cc>ews-watchlist</cc>
    
    <cc>glenn</cc>
    
    <cc>hta</cc>
    
    <cc>jer.noble</cc>
    
    <cc>philipj</cc>
    
    <cc>sergio</cc>
    
    <cc>tommyw</cc>
    
    <cc>webkit-bug-importer</cc>
    
    <cc>youennf</cc>
          

      

      

      

          <comment_sort_order>oldest_to_newest</comment_sort_order>  
          <long_desc isprivate="0" >
    <commentid>1666870</commentid>
    <comment_count>0</comment_count>
    <who name="youenn fablet">youennf</who>
    <bug_when>2020-06-28 08:16:46 -0700</bug_when>
    <thetext>RTCDataChannel.bufferedAmount should stay the same even if channel is closed</thetext>
  </long_desc><long_desc isprivate="0" >
    <commentid>1666871</commentid>
    <comment_count>1</comment_count>
      <attachid>402996</attachid>
    <who name="youenn fablet">youennf</who>
    <bug_when>2020-06-28 08:24:31 -0700</bug_when>
    <thetext>Created attachment 402996
Patch</thetext>
  </long_desc><long_desc isprivate="0" >
    <commentid>1666880</commentid>
    <comment_count>2</comment_count>
      <attachid>403000</attachid>
    <who name="youenn fablet">youennf</who>
    <bug_when>2020-06-28 09:43:53 -0700</bug_when>
    <thetext>Created attachment 403000
Patch</thetext>
  </long_desc><long_desc isprivate="0" >
    <commentid>1666902</commentid>
    <comment_count>3</comment_count>
      <attachid>403000</attachid>
    <who name="Darin Adler">darin</who>
    <bug_when>2020-06-28 13:14:31 -0700</bug_when>
    <thetext>Comment on attachment 403000
Patch

View in context: https://bugs.webkit.org/attachment.cgi?id=403000&amp;action=review

&gt; Source/WebCore/Modules/mediastream/RTCDataChannel.cpp:124
&gt; +    m_bufferedAmount += data.utf8().length();

This is an unnecessarily costly operation. It allocates memory for a UTF-8 string just to check its length and then deallocate the memory. If we need to do this, we could make an efficient function that computes this length without allocating and deallocating memory. Another option would be to carry this around already encoded as UTF-8 rather than converting from a String to UTF-8 twice. I think that would mean putting a CString into the message queue? Or maybe the String can be UTF-8 encoded into some other class that the code knows how to handle already?</thetext>
  </long_desc><long_desc isprivate="0" >
    <commentid>1666903</commentid>
    <comment_count>4</comment_count>
      <attachid>403000</attachid>
    <who name="Darin Adler">darin</who>
    <bug_when>2020-06-28 13:15:15 -0700</bug_when>
    <thetext>Comment on attachment 403000
Patch

View in context: https://bugs.webkit.org/attachment.cgi?id=403000&amp;action=review

&gt; Source/WebCore/ChangeLog:12
&gt; +        Test: webrtc/datachannel/bufferedAmount-afterClose.html

Seems unlikely that this test covers all 4 different types of send; if so we should make a more exhaustive test.</thetext>
  </long_desc><long_desc isprivate="0" >
    <commentid>1666904</commentid>
    <comment_count>5</comment_count>
    <who name="Radar WebKit Bug Importer">webkit-bug-importer</who>
    <bug_when>2020-06-28 13:15:29 -0700</bug_when>
    <thetext>&lt;rdar://problem/64866305&gt;</thetext>
  </long_desc><long_desc isprivate="0" >
    <commentid>1667019</commentid>
    <comment_count>6</comment_count>
    <who name="youenn fablet">youennf</who>
    <bug_when>2020-06-29 02:22:32 -0700</bug_when>
    <thetext>I filed https://bugs.webkit.org/show_bug.cgi?id=213714 to optimise it.
Will update test</thetext>
  </long_desc><long_desc isprivate="0" >
    <commentid>1667020</commentid>
    <comment_count>7</comment_count>
      <attachid>403039</attachid>
    <who name="youenn fablet">youennf</who>
    <bug_when>2020-06-29 02:23:39 -0700</bug_when>
    <thetext>Created attachment 403039
Patch for landing</thetext>
  </long_desc><long_desc isprivate="0" >
    <commentid>1667021</commentid>
    <comment_count>8</comment_count>
    <who name="youenn fablet">youennf</who>
    <bug_when>2020-06-29 02:24:42 -0700</bug_when>
    <thetext>Had to update BlobLoader since it is not guaranteed to always call its completion handler (in case load is pending).</thetext>
  </long_desc><long_desc isprivate="0" >
    <commentid>1667059</commentid>
    <comment_count>9</comment_count>
    <who name="EWS">ews-feeder</who>
    <bug_when>2020-06-29 04:50:08 -0700</bug_when>
    <thetext>Committed r263655: &lt;https://trac.webkit.org/changeset/263655&gt;

All reviewed patches have been landed. Closing bug and clearing flags on attachment 403039.</thetext>
  </long_desc>
      
          <attachment
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            <attachid>402996</attachid>
            <date>2020-06-28 08:24:31 -0700</date>
            <delta_ts>2020-06-28 09:43:50 -0700</delta_ts>
            <desc>Patch</desc>
            <filename>bug-213698-20200628172429.patch</filename>
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            <attacher name="youenn fablet">youennf</attacher>
            
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          </attachment>
          <attachment
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              ispatch="1"
              isprivate="0"
          >
            <attachid>403000</attachid>
            <date>2020-06-28 09:43:53 -0700</date>
            <delta_ts>2020-06-29 02:23:32 -0700</delta_ts>
            <desc>Patch</desc>
            <filename>bug-213698-20200628184352.patch</filename>
            <type>text/plain</type>
            <size>8326</size>
            <attacher name="youenn fablet">youennf</attacher>
            
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          </attachment>
          <attachment
              isobsolete="0"
              ispatch="1"
              isprivate="0"
          >
            <attachid>403039</attachid>
            <date>2020-06-29 02:23:39 -0700</date>
            <delta_ts>2020-06-29 04:50:09 -0700</delta_ts>
            <desc>Patch for landing</desc>
            <filename>bug-213698-20200629112337.patch</filename>
            <type>text/plain</type>
            <size>13828</size>
            <attacher name="youenn fablet">youennf</attacher>
            
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          </attachment>
      

    </bug>

</bugzilla>