Ipv6 #10
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Ipv6 #10
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Updated the build system to compile seperate programs
for the IPv4 and IPv6 versions of augsburg-traceroute-server.
This has following advantages over a single program:
+ Saving a lot of unnecessary memory overhead
A single program would maintain all sessions in a single map,
thus forcing the session entries to be large enough to hold IPv6
addresses.
By seperating the programs, the IPv4 version doesn't waste any
space.
+ Allowing IPv4 and IPv6 programs to be configured seperately
Both the session size and the session timeout can now be
configured per-program.
Both programs can be attached to a single interface, just run them one
after the other.
- Added -4|-6 switch to client to resolve hostnames to the given address family. - Refactored client main function for better code readability. - Added ipv6 support for probe generation.
Moved prev. static functions in headers to internal functions in c file. Cleaned up code to eliminate compile time warnings. Removed duplicate includes in header and source files.
Tests now run inside a virtual machine, which is created and configured by vagrant. The testscript now relies on ipmininet, which provides automatic routing and builtin IPv6 support.
The client defaulted to resolving an IPv4 address for a given hostname if no address family was specified by the user. Now the client tries to resolve an IPv4 address and on failure proceeds to fetch an IPv6 address.
To test the clients merge behaviour the testlab is now configured to create a topology with two unequal-length path and the same igp_metric.
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Introduction of IPv6 support for both client and server
Changes to client
-4and-6options to resolve a hostname to the specified address family.The option is ignored when a valid IP is specified as the target.
When omitted the client attempts to resolve the target to an IPv4 address, on failure to an IPv6 address.
Server
Testlab