Crate s4_server 

S4 server crate — S4Service (圧縮 hook 付き S3 trait 実装) と関連 helper を提供。

Re-exports

pub use service::S4Service;

pub use s4_codec as codec;

pub use s4_config as config;

Modules

access_log

S3-style access-log emission (v0.4 #20).

acme

ACME (Let’s Encrypt) auto-cert support (v0.3 #11).

audit_log

Tamper-evident audit-log HMAC chain (v0.5 #31).

blob

s3s::dto::StreamingBlob と bytes::Bytes の相互変換ヘルパ。

cors

v0.6 #38: Bucket CORS configuration + preflight matcher.

inventory

S3 Inventory: daily/hourly per-bucket CSV dump (v0.6 #36).

kms

KMS backend abstraction for SSE-KMS envelope encryption (v0.5 #28).

lifecycle

S3 Lifecycle execution — per-bucket rule evaluation + manager skeleton (v0.6 #37).

lock_recovery

v0.8.4 #77 (audit H-8): graceful recovery from RwLock / Mutex poisoning across every state-manager module.

metrics

Prometheus metrics 統合。

mfa

MFA Delete enforcement (v0.6 #42).

multipart_state

Per-upload_id side-table for multipart uploads (v0.8 BUG-5..10 fix).

notifications

S3 bucket notifications — fire events on PUT / DELETE (v0.6 #35).

object_lock

Object Lock (WORM) enforcement layer (v0.5 #30).

policy

Bucket policy / IAM enforcement at the gateway (v0.2 #7).

rate_limit

Per-(principal, bucket) token-bucket rate limiting (v0.4 #19).

replication

Bucket-to-bucket asynchronous replication (v0.6 #40).

routing

/health と /ready の HTTP routing layer + CORS OPTIONS preflight interceptor + SigV4a verify gate。

select

S3 Select — server-side SQL filter on object body (v0.6 #41).

service

s3s::S3 実装 — s3s_aws::Proxy への delegation を default にしつつ、 put_object / get_object 経路で s4_codec::CodecRegistry を呼ぶ。

service_arc

Arc-shareable wrapper around S4Service<B> (v0.7 #45).

sigv4a

SigV4a (AWS asymmetric ECDSA-P256) signature verification (v0.5 #33).

sse

Server-side encryption (SSE-S4) — AES-256-GCM (v0.4 #21, v0.5 #29, v0.5 #27, v0.5 #28).

state_loader

v0.8.4 #72 — load manager snapshot files with per-manager fault isolation.

streaming

Streaming compression / decompression helpers。

tagging

Object + Bucket tagging (v0.6 #39).

tls

TLS termination helpers.

versioning

v0.5 #34: First-class versioning state machine.