Brian,
There is no such parameter, this was an oversight. Attached is a patch
that will set the TTL for the OTA and event multicast channels. We will
open a bug report to add a TTL parameter for both in the next release.
Note: I have only tested this patch with IPv4.
--
Steven Galgano
Adjacent Link LLC
On 04/11/2013 09:15 AM, Henz, Brian J CIV (US) wrote:
> Classification: UNCLASSIFIED
> Caveats: NONE
>
> Hi,
> I am using the emaneeventservice that comes precompiled with emane to send
> out location events. The TTL on these messages appears to be 1. Using
> libemaneeventservice I am able to set the TTL using the <ttl>32<\ttl> flag.
> Is there a parameter for the emaneeventservice to set the TTL?
>
> Thanks,
> Brian
>
>
> Classification: UNCLASSIFIED
> Caveats: NONE
>
>
>
>
> _______________________________________________
> emane-users mailing list
> [email protected]
> http://pf.itd.nrl.navy.mil/mailman/listinfo/emane-users
>
Index: src/libemane/eventservice.cc
===================================================================
--- src/libemane/eventservice.cc (revision 1)
+++ src/libemane/eventservice.cc (working copy)
@@ -342,6 +342,33 @@
}
}
+ if(eventGroupAddress_.get_type() == AF_INET)
+ {
+ if(mcast_.set_option(IP_MULTICAST_TTL,32) == -1)
+ {
+ std::stringstream ssDescription;
+ ssDescription
+ <<"unable to set EventService TTL IP_MULTICAST_TTL"
+ <<std::ends;
+ throw EventServiceException(ssDescription.str());
+ }
+ }
+ else if(eventGroupAddress_.get_type() == AF_INET6)
+ {
+ int iTTL = 32;
+
+ if(mcast_.ACE_SOCK::set_option(IPPROTO_IPV6,IPV6_MULTICAST_HOPS,
+ &iTTL,
+ sizeof(iTTL)) == -1)
+ {
+ std::stringstream ssDescription;
+ ssDescription
+ <<"unable to set EventService TTL IPV6_MULTICAST_TTL"
+ <<std::ends;
+ throw EventServiceException(ssDescription.str());
+ }
+ }
+
EMANEUtils::spawn(*this,
&EMANE::EventService::receiveEventMessage,
&receiveThread_,
Index: src/libemane/otamanager.cc
===================================================================
--- src/libemane/otamanager.cc (revision 1)
+++ src/libemane/otamanager.cc (working copy)
@@ -258,15 +258,26 @@
throw OTAException(sstream.str());
}
- if(otaGroupAddress.get_type() == AF_INET) {
+ if(otaGroupAddress.get_type() == AF_INET)
+ {
if(mcast_.set_option(IP_MULTICAST_LOOP,0) == -1)
{
std::stringstream ssDescription;
ssDescription<<"unable to unset OTA Manager group IP_MULTICAST_LOOP errno "<< ACE_OS::strerror (errno) << std::ends;
throw OTAException(ssDescription.str());
}
+
+ if(mcast_.set_option(IP_MULTICAST_TTL,32) == -1)
+ {
+ std::stringstream ssDescription;
+ ssDescription
+ <<"unable to set OTA Manager group IP_MULTICAST_TTL"
+ <<std::ends;
+ throw OTAException(ssDescription.str());
+ }
}
- else if(otaGroupAddress.get_type() == AF_INET6) {
+ else if(otaGroupAddress.get_type() == AF_INET6)
+ {
int loop = 0;
if(mcast_.ACE_SOCK::set_option(IPPROTO_IPV6,IPV6_MULTICAST_LOOP,&loop,sizeof(loop)) == -1)
{
@@ -274,6 +285,18 @@
ssDescription<<"unable to unset OTA Manager group IPV6_MULTICAST_LOOP errno " << ACE_OS::strerror (errno) << std::ends;
throw OTAException(ssDescription.str());
}
+
+ int iTTL = 32;
+ if(mcast_.ACE_SOCK::set_option(IPPROTO_IPV6,IPV6_MULTICAST_HOPS,
+ &iTTL,
+ sizeof(iTTL)) == -1)
+ {
+ std::stringstream ssDescription;
+ ssDescription
+ <<"unable to set OTA Manager group IPV6_MULTICAST_HOPS"
+ <<std::ends;
+ throw OTAException(ssDescription.str());
+ }
}
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