Matt,

Check your latest snapshot. I think gmond is missing.....

----
Yemi
 

> -----Original Message-----
> From: Matt Massie [mailto:[EMAIL PROTECTED] 
> Sent: Wednesday, August 04, 2004 1:37 PM
> To: Adesanya, Adeyemi
> Cc: 'Ganglia Developers'
> Subject: RE: [Ganglia-developers] 2.6.0 apr test
> 
> on second thought... scratch that idea.  i have a better one.
> 
> just include
> #include <apr_network_io.h>
> 
> to mcast.c and we'll be set.  it correctly adds netinet/in.h.
> 
> sorry that i missed that.
> 
> i just uploaded a new snapshot to
> http://matt-massie.com/ganglia/ganglia-apr-2.6.0.tar.gz
> with that change.  
> 
> good luck
> -matt
> 
> 
> 
> 
> On Wed, 2004-08-04 at 13:25, Adesanya, Adeyemi wrote:
> > Matt,
> > 
> > The closest match I found (same on 5.8 and 5.9) is in 
> > /usr/include/netinet/in.h . The following structs are
> > defined:
> > 
> > #if !defined(_XPG4_2) || defined(__EXTENSIONS__)
> > /*
> >  * Argument structure for IP_ADD_MEMBERSHIP and IP_DROP_MEMBERSHIP.
> >  */
> > struct ip_mreq {
> >     struct in_addr  imr_multiaddr;  /* IP multicast address 
> of group */
> >     struct in_addr  imr_interface;  /* local IP address of 
> interface */
> > };
> > 
> > /*
> >  * Argument structure for IPV6_JOIN_GROUP and IPV6_LEAVE_GROUP on
> >  * IPv6 addresses.
> >  */
> > struct ipv6_mreq {
> >     struct in6_addr ipv6mr_multiaddr;       /* IPv6 
> multicast addr */
> >     unsigned int    ipv6mr_interface;       /* interface index */
> > };
> > 
> > Is this similar to what you are using in Solaris 5.7? Can 
> you get hold of Solaris 5.9??
> > 
> > ----
> > Yemi
> >  
> > > -----Original Message-----
> > > From: Matt Massie [mailto:[EMAIL PROTECTED]
> > > Sent: Wednesday, August 04, 2004 10:14 AM
> > > To: Adesanya, Adeyemi
> > > Cc: 'Ganglia Developers'
> > > Subject: RE: [Ganglia-developers] 2.6.0 apr test
> > > 
> > > yemi-
> > > 
> > > i'm using an older version of solaris (i think it's 5.7) so they 
> > > must have moved the mreq definition to another header 
> file.  if you 
> > > run the command...
> > > 
> > > % find /usr/include -name "*.h" -exec grep -l "mreq" {} \;
> > > 
> > > you'll get a list of header files that have the mreq structure 
> > > definition.  you'll need to glance inside the header files to see 
> > > which one really has the struct definition and not just 
> references 
> > > the mreq structure.
> > > 
> > > when you find the header file... add it to the mcast.c 
> file inside 
> > > the
> > > 
> > > #ifdef SOLARIS2
> > > ...
> > > #endif
> > > 
> > > block.
> > > 
> > > that should fix it.  thanks so much for your effort!
> > > 
> > > -matt
> > > 
> > > On Tue, 2004-08-03 at 17:39, Adesanya, Adeyemi wrote:
> > > > Hi Matt.
> > > > 
> > > > I tried compiling your apr test below on Solaris (5.9 &
> > > 5.8) and it fails to compile mcast.c with the following error:
> > > > 
> > > > mcast.c: In function `apr_multicast_join':
> > > > mcast.c:57: parse error before `struct'
> > > > mcast.c:60: `mreq' undeclared (first use in this function)
> > > > mcast.c:60: (Each undeclared identifier is reported only once
> > > > mcast.c:60: for each function it appears in.)
> > > > mcast.c:63: `ifreq' undeclared (first use in this function)
> > > > 
> > > > What's missing? Do I need to supply additional 
> configure arguments?
> > > > 
> > > > ----
> > > > Yemi
> > > > 
> > > > > -----Original Message-----
> > > > > From: Matt Massie [mailto:[EMAIL PROTECTED]
> > > > > Sent: Monday, July 26, 2004 3:10 PM
> > > > > To: Ganglia Developers
> > > > > Subject: [Ganglia-developers] 2.6.0 apr test
> > > > > 
> > > > > guys-
> > > > > 
> > > > > the apache runtime (apr.apache.org) doesn't support multicast 
> > > > > although it supports UDP sockets.  i've added the
> > > multicast support
> > > > > but it raises a few issues.
> > > > > 
> > > > > the latest snapshot is at
> > > > > http://matt-massie.com/ganglia/ganglia-apr-2.6.0.tar.gz
> > > > > 
> > > > > i've tested it on linux and solaris.  unfortunately, the
> > > workstation
> > > > > that i installed freebsd on is temporarily hosed (bad 
> fan)  so i 
> > > > > wasn't able to test it there.
> > > > > 
> > > > > the only file that i added can be found in 
> > > > > ./srclib/apr/network_io/unix/mcast.c.
> > > > > 
> > > > > if you look at the source you'll see i need to include a
> > > header file
> > > > > from the apr source (#include "apr_arch_networkio.h").  i
> > > need the
> > > > > structures defined in this header file in order to setup the 
> > > > > multicast sockets.
> > > > > unfortunately, this is a private header file which is not
> > > installed
> > > > > during an apr installation.  my hope is that over time
> > > the multicast
> > > > > cast code will be included into the apr code base.
> > > > > 
> > > > > until then.. we might have problems with packages who want to 
> > > > > use the current apr library ... since it will not 
> have multicast 
> > > > > support.
> > > > > 
> > > > > if any of you have time and want to test
> > > non-linux/solaris systems,
> > > > > i'd appreciate it.  to test this snapshot.
> > > > > 
> > > > > 1. cd into ./gmond
> > > > > 2. open gmond.c and edit the parameters of the
> > > > > create_mcast_server_socket() call... the first three are 
> > > > > mcast_channel, mcast_port, mcast_if.
> > > > > 3. ./configure and make
> > > > > 
> > > > > when you run ./gmond/gmond you should get scrolling
> > > messages saying
> > > > > that it got a multicast message.
> > > > > 
> > > > > i also have another question about the ganglia
> > > configuration file.  
> > > > > i know that we've used dotconf in the past and it suited
> > > our needs
> > > > > but i'm worried about it's limitations.
> > > > > 
> > > > > for example, it used an apache-like section syntax but it
> > > can only
> > > > > be one-level deep and the API is VERY awkward to work with.
> > > > > 
> > > > > <Section>
> > > > > name "First Section"
> > > > > </Section>
> > > > > 
> > > > > is allowed but
> > > > > 
> > > > > <Section>
> > > > > name "First Section"
> > > > >   <Section>
> > > > >     name "Second Section"
> > > > >   </Section>
> > > > > </Section>
> > > > > 
> > > > > is not allowed.  i think that could bite us in the arse
> > > in the future.
> > > > > 
> > > > > does anyone have a favorite configuration file parser?
> > > > > 
> > > > > i've found and tested libconfuse
> > > > > (http://www.nongnu.org/confuse/) and found it to work
> > > pretty well.  
> > > > > the syntax would look more like...
> > > > > 
> > > > > Section {
> > > > >   name "Section One"
> > > > >     Section {
> > > > >       name "Section Two"
> > > > >     }
> > > > > }
> > > > > 
> > > > > which IS allowed.
> > > > > 
> > > > > ideas?
> > > > > 
> > > > > -matt
> > > > > 
> > > > > 
> > > > > 
> > > > > 
> > > > > 
> > > > > 
> > > > > 
> > > > > 
> > > > > 
> > > > > 
> > > > > 
> > > > > --
> > > > > PGP fingerprint 'A7C2 3C2F 8445 AD3C 135E F40B 242A 5984
> > > ACBC 91D3'
> > > > > 
> > > > >    They that can give up essential liberty to obtain a little 
> > > > >       temporary safety deserve neither liberty nor safety. 
> > > > >   --Benjamin Franklin, Historical Review of Pennsylvania, 1759
> > > > > 
> > > > 
> > > > 
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> > > --
> > > PGP fingerprint 'A7C2 3C2F 8445 AD3C 135E F40B 242A 5984 
> ACBC 91D3'
> > > 
> > >    They that can give up essential liberty to obtain a little 
> > >       temporary safety deserve neither liberty nor safety. 
> > >   --Benjamin Franklin, Historical Review of Pennsylvania, 1759
> > > 
> --
> PGP fingerprint 'A7C2 3C2F 8445 AD3C 135E F40B 242A 5984 ACBC 91D3'
> 
>    They that can give up essential liberty to obtain a little 
>       temporary safety deserve neither liberty nor safety. 
>   --Benjamin Franklin, Historical Review of Pennsylvania, 1759
> 

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