glm-5.2 ddc6c07fea feat(call): implement CallConnection with imported-ops overlay (Layer 2) and call/subscribe/abort methods
Implements CallConnection in src/protocol/connection.rs representing an
established alknet/call connection (either direction). Holds the Layer 2
imported-ops overlay (ADR-024) as Arc<RwLock<HashMap>>.

- register_imported / register_imported_all add to the connection overlay
- overlay_env returns an OperationEnv dispatching to imported ops; contains()
  returns true only for ops in the overlay
- call() opens a stream, sends call.requested, registers in PendingRequestMap,
  spawns a stream reader, resolves on first call.responded
- subscribe() sends call.requested and yields call.responded until
  call.completed/call.aborted via a SubscriptionStream wrapping the mpsc receiver
- abort() sends call.aborted for the request ID and removes the pending entry
- connection drop drops the overlay (no explicit deregistration needed)

Exposes MockConnection trait and Connection::from_mock in alknet-core so
cross-crate tests can construct mock connections without real QUIC. Removes
two unused test helpers in env.rs that triggered dead-code warnings under
-D warnings. Adds parking_lot dep for the overlay RwLock and pending Mutex.

9 new connection tests (102 total in alknet-call). Clippy clean.
2026-06-23 15:16:10 +00:00

Alknet

Status: Pre-alpha — This project is undergoing a major architectural pivot to an ALPN-as-service model. The previous implementation has been archived and a greenfield rebuild is in progress.

A self-hostable networking toolkit built on QUIC+TLS with ALPN-based protocol dispatch. Each protocol handler (SSH, SFTP, Git, HTTP, DNS, messaging, call protocol) registers an ALPN string on a shared endpoint. The ALPN negotiation during the TLS/QUIC handshake routes connections to the correct handler before any application bytes are read.

Core Insight

A service IS an ALPN. One endpoint, one port, many protocols — dispatched by the TLS handshake, not by application-level peeking or separate listeners.

Crates

Crate Status Description
alknet-vault stable Local key vault: BIP39/SLIP-0010/AES-GCM key derivation and encryption
alknet-core planned ProtocolHandler trait, ALPN router, auth/identity, config
alknet-ssh planned SSH handler (russh), SOCKS5, port forwarding
alknet-call planned JSON-RPC call protocol (EventEnvelope framing)
alknet-fs planned Content-addressed file storage (iroh-blobs backend)
alknet-sftp planned SFTP handler (russh-sftp protocol core)
alknet-git planned Git smart protocol handler (gix)
alknet-http planned HTTP handler (axum, REST API, MCP)
alknet-dns planned DNS handler (hickory-proto, pkarr)
alknet-msg planned E2E encrypted messaging, mixnet support
alknet planned CLI binary (assembles and registers handlers)

Documentation

Reference implementation (previous architecture) is preserved at /workspace/@alkdev/alknet-main/.

License

Licensed under either of

at your option.

Unless you explicitly state otherwise, any contribution intentionally submitted for inclusion in this work by you, as defined in the Apache-2.0 license, shall be dual licensed as above, without any additional terms or conditions.

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