transport: expose per-connection ConnectionStats (part of #40) - #77
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Surfaces zquic's per-connection byte counters through the shim, mirroring
the Go transport `Conn.ConnectionStats()` (`transport/quic/quic.go`).
`zquic_quic_shim.QuicConnection.connectionStats()` reads the underlying
`io.ConnState.snapshotStats()` and returns `{ bytes_sent, bytes_received }`;
`eth_ec_quic_peer.PeerConn.connectionStats()` exposes it to callers. The QUIC
handshake test now asserts a completed handshake reports non-zero bytes in
both directions.
No zquic change needed — `snapshotStats` is already public. Refs #40.
This was referenced Jul 5, 2026
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Part of #40 (transport features present in the Go reference).
The Go
sim/transport implementsConn.ConnectionStats() (bytesSent, bytesReceived)(transport/quic/quic.go). zquic already tracks these per connection and exposes them viaio.ConnState.snapshotStats()— this just surfaces them:zquic_quic_shim.QuicConnection.connectionStats() ?ConnStats→ readssnapshotStats(), returns{ bytes_sent, bytes_received }.eth_ec_quic_peer.PeerConn.connectionStats() ?quic.ConnStats→ the public accessor.The
QUIC listen + dial, TLS handshaketest now asserts a completed handshake reports non-zerobytes_sentandbytes_received.No zquic dependency change (the underlying stats API is already public).
zig build test+zig build test-quicpass on stock 0.16.0.Remaining #40 items (stream
Reset/CancelRead/CancelWrite, datagrams, deadlines) are separate; the stream-reset piece needs a new public zquic API and will follow.