1. Automatically assign IP addresses to the edge through the DHCP function that comes with sn, the default IP address pool is 172.17.12.0/24.
2. The -d parameter is added to sn, and the IP address pool of the embedded DHCP can be customized.
3. Now edge does not need to add -a and -s parameters to automatically obtain the IP address.
4. The IP automatically obtained by the cross-community edge can be the same, because the communities are isolated from each other and do not interfere with each other.
5. On the management side of sn (127.0.0.1:5645), you can now view the IP address of the tutap adapter of each edge.
6. Fix many bugs that have a certain chance of causing memory leaks.
7. Note: This version is not fully compatible with the previous version.
1. CMakeLists.txt added to automatically obtain the revised version number from the git repository.
2. Adjusted some header files to fix Windows platform compilation errors.
3. Eliminate some compilation warnings.
Callbacks allow n2n API users to extend n2n without modifying the upstream code. This also allows us
to move the hin2n code, which is specific of android, out of the n2n repository.
