Parse and serve fresh Roscomnadzor dump

• Use https://github.com/usher-2/vigruzki as dump sources server
• Natural signed Roscomnadzor dumps in the res folder for test purpose

IMPORTANT NOTE

This program is a part of https://usher2.club ecosystem. The gRPC service will never be published

USE

• First the program try to unzip dump.zip if exists
• Second the program try to parse dump.xml if exists
• Than the program try to fetch and parse dump from dump sources server periodically

FUTURES

• Native IPv4 string to 32-bit integer implementation

WARNING

• Stream parsing a <content>...</content> object is not a good idea. Because we need some checksum on updates before data applying. So I use Decode() method for <content>...</content> parsing
• I don't trust to any data. I'm not trying to guess unknown errors. Only known patterns. Roskomnadzor officials are such entertainers

TODO

• Native RFC3339 parsing
• Parse subnet to RADIX tree
• gRPC service for check IPv4, IPv6, URL, Domain
• Stream parsing every <content>...</content> object including unchanged is the subject for discussion

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