Implement a custom prometheus http handler in order to:
1. Support listening on a specified address as opposed to any
2. Remove the requirement on the unmaintained promhttp library
This feature comes with one limitation: if an IPv4 address is used, the
server will not listen on the IPv6-mapped address, even if IPv6 is
available. That is, dual-stacking does not work.
Solves: #1475
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Co-authored-by: Pavel Punsky <eakraly@users.noreply.github.com>
The following changes have been made:
1. Replace deprecated functions with new standard functions
2. Add corresponding MSVC functions for non-standard functions
3. Remove warnings about unsafe functions
4. CMAKE: modify find pack Libevent and openssl
5. Modify include files
6. Use pthread4W
7. Modify socket in windows
8. Add CI - github action
8.1. msvc
8.2. mingw
10. The database:
9.1. sqlite, pgsql, hiredis, mongo is test compiled.
9.2. mysql, isnot test compiled.
11. The applications、server can be compiled and run successfully!
12. Add vcpkg manifest mode in cmake.
Alex Gustafsson