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Miguel da Costa Martins Marcelino 9978cfd0d5 TUN-10388 Implement dialers for connectivity checks

This PR implements all the dialers and resolvers needed to make pre-checks happen. So this task focuses on the following:

1. Implement the DNS probe: call DNSResolver.Resolve(region)
2. Implement the QUIC probe: call QUICDialer.DialQuic (handshake only, no stream opened) and record the result.
3. Implement the HTTP/2 probe: call TCPDialer.DialEdge (TCP + TLS handshake only, no frames sent) and record the result.
4. Implement the Management API probe: call ManagementDialer.DialContext to api.cloudflare.com:443 and record the result.
5. Export edgeDiscovery as EdgeDiscovery in edgediscovery/allregions/discovery.go so the pre-check can reuse the production DNS path.

This sets up the main components to implement the checker.

2026-04-30 15:15:25 +00:00

allregions

TUN-10388 Implement dialers for connectivity checks

2026-04-30 15:15:25 +00:00

dial.go

chore: Remove h2mux code

2024-10-15 13:10:30 -07:00

edgediscovery_test.go

TUN-6007: Implement new edge discovery algorithm

2022-06-23 16:55:03 +00:00

edgediscovery.go

TUN-7131: Add cloudflared log event to connection messages and enable streaming logs