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EV-Nats-0.01

Changes for version 0.01 - 2026-04-09

  • Initial release
  • Pure XS NATS client protocol (PUB, SUB, UNSUB, MSG, HMSG)
  • Request/reply with automatic inbox management
  • Queue group subscriptions with reconnect restore
  • Auto-reconnect with exponential backoff + jitter
  • Server pool with cluster URL failover from INFO
  • Write coalescing via ev_prepare for high throughput
  • O(1) subscription lookup via hash table
  • Graceful drain (UNSUB all, PING fence, callback, disconnect)
  • Optional TLS via OpenSSL (auto-detected at build time)
  • NKey/JWT authentication with Ed25519 signing
  • JetStream API (EV::Nats::JetStream)
  • Key-Value store (EV::Nats::KV)
  • Object store with chunked upload/download (EV::Nats::ObjectStore)
  • Publish batching API
  • Slow consumer detection with configurable threshold
  • Lame duck mode notification
  • Per-connection stats counters
  • Unix domain socket support
  • TCP and Unix socket support
  • flush() with PONG callback tracking
  • Headers support (HPUB/HMSG)
  • Auto-unsub state restored on reconnect
  • max_payload enforcement on send and receive

Modules

EV::Nats
High-performance asynchronous NATS client using EV
EV::Nats::JetStream
JetStream API for EV::Nats
EV::Nats::KV
Key-Value store API for NATS JetStream
EV::Nats::ObjectStore
Object store API for NATS JetStream

Examples

Other files