IPv6 support for -g, --generate#376
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auerswal merged 3 commits intoschweikert:developfrom Feb 15, 2025
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Before, "fping -6 -g IPv4_ADDR_SPEC" would generate all requested IPv4 addresses and try to add them to the host table, but that would fail because of address family mismatch. Now, "fping -6 -g IPv4_ADDR_SPEC" detects the problem before generating any addresses, and fails early. Mixing IPv4 and IPv6 addresses when using -g START END is detected before generating any addresses and fails early, too.
This creates a code structure suitable to add IPv6 versions of the functions used to generate addresses.
The limit for generated addresses is increased by two to allow /111 IPv6 prefixes similar to /15 IPv4 prefixes. The implementation uses two unsigned 64 bit integers to represent a single IPv6 address. The required arithmetic is open-coded and limited to what is needed to implement IPv6 support for -g, --generate. This addresses GitHub issue schweikert#59.
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I have change the IPv6 generator code to not exclude the Subnet-Router anycast address when using CIDR format, and rebased the branch on top of |
gsnw-sebast
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Feb 15, 2025
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I have tested it and it works without any complaints
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Thanks for the reviews, I'll merge this shortly. |
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