Network stack update

[Rans4ckeR]

Changes

• Supports static V2 tunnels, single tunnel used for all players
• Supports static V3 tunnels, single tunnel used for all players
• Supports dynamic V3 tunnels, multiple tunnels used between players
• Supports P2P: direct, STUN, IPv4 UPnP NAT, IPv6 UPnP firewall
• Supports combining dynamic V3 tunnels and P2P connections
• Parsing of IPv4 and IPv6 IP addresses from master server tunnel list*
• Uses CnCNet tunnel ping mechanism instead of ICMP ping
• Improved netcode using async (Value)Task, Memory, CancellationToken and I(Async)Disposable
• Replace obsolete WebClient with HttpClient
• Supports HTTP/1.1, HTTP/2 & HTTP/3
• Does not require admin privileges to host LAN lobbies
• IRC IPv6 support
• Fix LAN lobbies broadcast/discovery with multiple network interfaces
• Tunnel server IPv6 support*

Configuration

• UserINISettings Multiplayer UseLegacyTunnels (switches between V2 and V3, default false)
• UserINISettings Multiplayer UseDynamicTunnels (default true)
• UserINISettings Multiplayer UseP2P (default false)
• ChatBoxCommand /DYNAMICTUNNELS (host only, toggles between on and off)
• ChatBoxCommand /P2P (toggles between on and off)

Related

• .NET 7 Cross platform cncnet-server#1 *Allows the server to be configured to advertise its IPv4 address and/or its IPv6 address.

[github-actions]

Nightly build for this pull request:

• artifacts-Ares.zip
• artifacts-TS.zip
• artifacts-YR.zip
  This comment is automatic and is meant to allow guests to get latest automatic builds without registering. It is updated on every successful build.

[Metadorius]

Sorry but that's not reviewable. Please split the PR if you want any reviewing work to be done in the foreseeable future.