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<p class="MsoNormal">Dear Sir<o:p></o:p></p>
<p class="MsoNormal"><o:p> </o:p></p>
<p class="MsoNormal"><span lang="EN-GB">We have a request to your Live555 library,
<o:p></o:p></span></p>
<p class="MsoNormal"><span lang="EN-GB">that it shall be possible to set the DSCP value for Linux,<o:p></o:p></span></p>
<p class="MsoNormal"><span lang="EN-GB">when a connection is opened.<o:p></o:p></span></p>
<p class="MsoNormal"><span lang="EN-GB"><o:p> </o:p></span></p>
<p class="MsoNormal"><span lang="EN-GB">We would like to suggest an additional method in GroupsockHelper, that sets the DSCP value<o:p></o:p></span></p>
<p class="MsoNormal"><span lang="EN-GB" style="font-family:Consolas;background:silver;mso-highlight:silver">Boolean setSocketDSCP(int sock, u_int8_t dscp) {<o:p></o:p></span></p>
<p class="MsoNormal"><span lang="EN-GB" style="font-family:Consolas;background:silver;mso-highlight:silver">#if defined(__WIN32__) || defined(_WIN32)<o:p></o:p></span></p>
<p class="MsoNormal"><span lang="EN-GB" style="font-family:Consolas;background:silver;mso-highlight:silver"> // DSCP can't be set in Windows<o:p></o:p></span></p>
<p class="MsoNormal"><span lang="EN-GB" style="font-family:Consolas;background:silver;mso-highlight:silver">#else<o:p></o:p></span></p>
<p class="MsoNormal"><span lang="EN-GB" style="font-family:Consolas;background:silver;mso-highlight:silver"> if (dscp > 63) return False;<o:p></o:p></span></p>
<p class="MsoNormal"><span lang="EN-GB" style="font-family:Consolas;background:silver;mso-highlight:silver"> const u_int8_t value = dscp << 2;<o:p></o:p></span></p>
<p class="MsoNormal"><span lang="EN-GB" style="font-family:Consolas;background:silver;mso-highlight:silver"> if (setsockopt(sock, IPPROTO_IP, IP_TOS, (void*)&value, sizeof value) < 0)<o:p></o:p></span></p>
<p class="MsoNormal"><span lang="EN-GB" style="font-family:Consolas;background:silver;mso-highlight:silver"> return False;<o:p></o:p></span></p>
<p class="MsoNormal"><span lang="EN-GB" style="font-family:Consolas;background:silver;mso-highlight:silver">#endif<o:p></o:p></span></p>
<p class="MsoNormal"><span lang="EN-GB" style="font-family:Consolas;background:silver;mso-highlight:silver"> return True;<o:p></o:p></span></p>
<p class="MsoNormal"><span lang="EN-GB" style="font-family:Consolas;background:silver;mso-highlight:silver">}</span><span lang="EN-GB" style="font-family:Consolas"><o:p></o:p></span></p>
<p class="MsoNormal"><span lang="EN-GB"><o:p> </o:p></span></p>
<p class="MsoNormal"><span lang="EN-GB">And a call to this method from<o:p></o:p></span></p>
<p class="MsoNormal"><span lang="EN-GB" style="font-family:Consolas;background:silver;mso-highlight:silver">int RTSPClient::openConnection() {<o:p></o:p></span></p>
<p class="MsoNormal"><span lang="EN-GB" style="font-family:Consolas;background:silver;mso-highlight:silver"> …<o:p></o:p></span></p>
<p class="MsoNormal"><span lang="EN-GB" style="font-family:Consolas;background:silver;mso-highlight:silver"> fInputSocketNum = setupStreamSocket(envir(), 0);<o:p></o:p></span></p>
<p class="MsoNormal"><span lang="EN-GB" style="font-family:Consolas;background:silver;mso-highlight:silver"> if (fInputSocketNum < 0) break;<o:p></o:p></span></p>
<p class="MsoNormal"><span lang="EN-GB" style="font-family:Consolas;background:silver;mso-highlight:silver"> ignoreSigPipeOnSocket(fInputSocketNum); // so that servers on the same host that get killed don't also kill us<o:p></o:p></span></p>
<p class="MsoNormal"><span lang="EN-GB" style="font-family:Consolas;background:silver;mso-highlight:silver"> if (fOutputSocketNum < 0) fOutputSocketNum = fInputSocketNum;<o:p></o:p></span></p>
<p class="MsoNormal"><span lang="EN-GB" style="font-family:Consolas;background:silver;mso-highlight:silver"> setSocketDSCP(fInputSocketNum, _dscp);<o:p></o:p></span></p>
<p class="MsoNormal"><span lang="EN-GB" style="font-family:Consolas;background:silver;mso-highlight:silver"> if (fOutputSocketNum != fInputSocketNum)
<o:p></o:p></span></p>
<p class="MsoNormal"><span lang="EN-GB" style="font-family:Consolas;background:silver;mso-highlight:silver"> setSocketDSCP(fOutputSocketNum, _dscp);</span><span lang="EN-GB" style="font-family:Consolas"><o:p></o:p></span></p>
<p class="MsoNormal"><span lang="EN-GB"><o:p> </o:p></span></p>
<p class="MsoNormal"><span lang="EN-GB">This require the RTSPClient to have a _dscp member that can be set by a method:<o:p></o:p></span></p>
<p class="MsoNormal"><span lang="EN-GB" style="font-family:Consolas;background:silver;mso-highlight:silver">void RTSPClient::setDSCP(u_int8_t dscp)<o:p></o:p></span></p>
<p class="MsoNormal"><span lang="EN-GB" style="font-family:Consolas;background:silver;mso-highlight:silver">{<o:p></o:p></span></p>
<p class="MsoNormal"><span lang="EN-GB" style="font-family:Consolas;background:silver;mso-highlight:silver"> if (dscp > 63) return;<o:p></o:p></span></p>
<p class="MsoNormal"><span lang="EN-GB" style="font-family:Consolas;background:silver;mso-highlight:silver"> _dscp = dscp;<o:p></o:p></span></p>
<p class="MsoNormal"><span lang="EN-GB" style="font-family:Consolas;background:silver;mso-highlight:silver">}</span><span lang="EN-GB" style="font-family:Consolas"><o:p></o:p></span></p>
<p class="MsoNormal"><span lang="EN-GB"><o:p> </o:p></span></p>
<p class="MsoNormal"><span lang="EN-GB">The _dscp value should be initialized in the constructor to the default value 0.<o:p></o:p></span></p>
<p class="MsoNormal"><span lang="EN-GB"><o:p> </o:p></span></p>
<p class="MsoNormal"><span lang="EN-GB">Please<o:p></o:p></span></p>
<p class="MsoNormal"><span lang="EN-GB">Could you consider our request<o:p></o:p></span></p>
<p class="MsoNormal"><span lang="EN-GB"><o:p> </o:p></span></p>
<p class="MsoNormal"><span lang="EN-GB">For you reference:<o:p></o:p></span></p>
<p class="MsoNormal"><a href="https://da.wikipedia.org/wiki/Differentiated_Services"><span lang="EN-GB">https://da.wikipedia.org/wiki/Differentiated_Services</span></a><span lang="EN-GB"><o:p></o:p></span></p>
<p class="MsoNormal"><span lang="EN-GB"><o:p> </o:p></span></p>
<p class="MsoNormal"><span lang="EN-GB"><o:p> </o:p></span></p>
<p class="MsoNormal"><span lang="EN-GB" style="font-size:8.0pt;font-family:"Arial",sans-serif;color:#1F497D;mso-fareast-language:DA">Med venlig hilsen/ Best Regards<o:p></o:p></span></p>
<p class="MsoNormal"><span lang="EN-GB" style="font-size:8.0pt;font-family:"Arial",sans-serif;color:#1F497D;mso-fareast-language:DA"><o:p> </o:p></span></p>
<p class="MsoNormal"><b><span lang="EN-GB" style="font-size:9.0pt;font-family:"Arial",sans-serif;color:#1F497D;mso-fareast-language:DA">Kjeld Mathias Petersen<o:p></o:p></span></b></p>
<p class="MsoNormal"><span lang="EN-US" style="font-size:8.0pt;font-family:"Arial",sans-serif;color:black;mso-fareast-language:DA">Software Developer</span><span lang="EN-US" style="font-size:8.0pt;font-family:"Arial",sans-serif;color:#1F497D;mso-fareast-language:DA"><o:p></o:p></span></p>
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<p class="MsoNormal" style="line-height:12.0pt;text-autospace:none"><span style="mso-fareast-language:DA"><img border="0" width="113" height="36" style="width:1.1805in;height:.375in" id="Picture_x0020_1" src="cid:image001.jpg@01D91128.714D5DC0" alt="Saab_rgb_150px"></span><span lang="EN-US" style="font-size:9.0pt;font-family:"Arial",sans-serif;color:black;mso-fareast-language:DA"><o:p></o:p></span></p>
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<p class="MsoNormal" style="line-height:12.0pt;text-autospace:none"><span style="font-size:9.0pt;font-family:"Arial",sans-serif;color:black;mso-fareast-language:DA">Saab Danmark A/S<o:p></o:p></span></p>
<p class="MsoNormal" style="line-height:12.0pt;text-autospace:none"><span style="font-size:8.0pt;font-family:"Arial",sans-serif;color:black;mso-fareast-language:DA">Porten 6<o:p></o:p></span></p>
<p class="MsoNormal" style="line-height:12.0pt;text-autospace:none"><span style="font-size:8.0pt;font-family:"Arial",sans-serif;color:black;mso-fareast-language:DA">DK – 6400 Sonderborg
<o:p></o:p></span></p>
<p class="MsoNormal" style="line-height:12.0pt;text-autospace:none"><a href="http://www.saabgroup.com/"><span lang="EN-US" style="font-size:8.0pt;font-family:"Arial",sans-serif;color:blue;mso-fareast-language:DA">www.saabgroup.com</span></a><span lang="EN-US" style="font-size:8.0pt;font-family:"Arial",sans-serif;color:black;mso-fareast-language:DA"><o:p></o:p></span></p>
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<p class="MsoNormal" style="line-height:12.0pt;text-autospace:none"><i><span lang="EN-US" style="font-size:8.0pt;font-family:"Arial",sans-serif;color:black;mso-fareast-language:DA">This e-mail is private and confidential between the sender and the addressee.
<o:p></o:p></span></i></p>
<p class="MsoNormal" style="line-height:12.0pt;text-autospace:none"><i><span lang="EN-US" style="font-size:8.0pt;font-family:"Arial",sans-serif;color:black;mso-fareast-language:DA">In the event of misdirection, the recipient is prohibited from using, copying
or <o:p></o:p></span></i></p>
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