Dear Sir
We have a request to your Live555 library,
that it shall be possible to set the DSCP value for Linux,
when a connection is opened.
We would like to suggest an additional method in GroupsockHelper, that sets the
DSCP value
Boolean setSocketDSCP(int sock, u_int8_t dscp) {
#if defined(__WIN32__) || defined(_WIN32)
// DSCP can't be set in Windows
#else
if (dscp > 63) return False;
const u_int8_t value = dscp << 2;
if (setsockopt(sock, IPPROTO_IP, IP_TOS, (void*)&value, sizeof value) < 0)
return False;
#endif
return True;
}
And a call to this method from
int RTSPClient::openConnection() {
...
fInputSocketNum = setupStreamSocket(envir(), 0);
if (fInputSocketNum < 0) break;
ignoreSigPipeOnSocket(fInputSocketNum); // so that servers on the same host
that get killed don't also kill us
if (fOutputSocketNum < 0) fOutputSocketNum = fInputSocketNum;
setSocketDSCP(fInputSocketNum, _dscp);
if (fOutputSocketNum != fInputSocketNum)
setSocketDSCP(fOutputSocketNum, _dscp);
This require the RTSPClient to have a _dscp member that can be set by a method:
void RTSPClient::setDSCP(u_int8_t dscp)
{
if (dscp > 63) return;
_dscp = dscp;
}
The _dscp value should be initialized in the constructor to the default value 0.
Please
Could you consider our request
For you reference:
https://da.wikipedia.org/wiki/Differentiated_Services
Med venlig hilsen/ Best Regards
Kjeld Mathias Petersen
Software Developer
Communication Solutions
Business Area Surveillance
Tel.: + 45 3638 3000
Mobile: + 45 4187 6042
E-mail: kjeld.peter...@dk.saabgroup.com<mailto:kjeld.peter...@dk.saabgroup.com>
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Saab Danmark A/S
Porten 6
DK - 6400 Sonderborg
www.saabgroup.com<http://www.saabgroup.com/>
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