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hyperhive/hive-c0re
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Filename Latest commit message Latest commit date
atlas 386741d38f hive-c0re: keep agent and manager listeners alive across accept errors 
Both accept loops returned on the first accept() error. The AgentSocket
stayed in Coordinator.agents, so mcp_sockets::sync_on_start skipped the
agent, and only a Start node or a hive-c0re restart bound it again. The
unit sets no LimitNOFILE, so a single EMFILE at the 1024-fd soft limit
cut the agent off from send/recv/ack with one warn line as the only
trace.

Both loops now share accept_until_fatal. Connection errors
(ECONNABORTED/ECONNRESET/ECONNREFUSED) retry at once, any other error
retries after 1 s, following axum's serve loop that the dashboard
already runs. Errors that leave the listening fd unusable (EBADF,
EFAULT, EINVAL, ENOTSOCK, EOPNOTSUPP) log at error and exit the
process: nothing re-binds a listener while hive-c0re runs, the manager
listener has no re-bind path at all, and the unit's Restart=on-failure
restart runs start_manager and sync_on_start, which re-bind every
socket.

mcp_sockets.rs now states that invariant instead of asserting that a
listener can only disappear on restart.

LimitNOFILE is left unset: per-agent fd use is a listener plus a
Recv long-poll plus short-lived requests, and a higher limit would raise
the memory ceiling of the per-line bound (bound x open connections).

Closes #4721
2026-09-27 03:48:56 +02:00
..
src hive-c0re: keep agent and manager listeners alive across accept errors 2026-09-27 03:48:56 +02:00
Cargo.toml log: send records natively to journald, keep stdout off-unit 2026-09-21 15:52:57 +02:00
README.md docs: restructure into topic subdirectories, collapse duplicated index 2026-09-02 01:55:37 +02:00

README.md

hive-c0re

The unprivileged host daemon (runs as hive-core). Owns the sqlite broker, the approval/reminder/schedule queues, the generic job-DAG queue, container lifecycle, gateway/forge/matrix provisioning, per-container stats, and the axum operator dashboard. Largest crate in the workspace — bin-only, no separate lib.

When to use it

Host-level, cross-container orchestration: spawning/rebuilding/ destroying agent containers, the approval flow, dashboard-visible state, provisioning per-agent forge/matrix/gateway accounts. Agent-side behavior (turn loop, MCP tools) lives in hive-agent/hive-agent-mcp instead — this daemon only talks to agents over the socket wire types in hive-sh4re.

Shape

Cohesive clusters live in directory submodules, each re-exported at the crate root (crate::broker::… keeps resolving regardless of which subdirectory a module actually lives in). One line each — read the module's own //! doc-comment for real detail, don't expect this file to track it:

  • dashboard/ — the operator dashboard (containers, approvals, schedules, logs, topology).
  • job_queue/ — the job-DAG queue + desired-state reconciliation (docs/scheduler/coordinator.md).
  • lifecycle/ — nixos-container lifecycle + per-agent config flake generation.
  • stores/ — sqlite-backed stores (broker, queues, audit, power).
  • workers/ — background sweeps (crash watch, scheduled prompts, auto-update, knowledge sync).
  • agent_config/ — per-agent registries (tool groups, capabilities, resource limits, topology).
  • stats/ — dashboard metrics aggregation + OTEL export.
  • socket_server/ — the unix-socket request server shared by per-agent + manager sockets.
  • forge/ — optional Forgejo wiring (docs/integrations/forge.md).
  • coordinator.rs — top-level wiring for serve.
  • meta.rs, migrate.rs — the meta flake + schema/state migrations.
  • matrix.rs, gateway_nginx.rs, webhook_secret.rs, priv_client.rs — matrix provisioning, gateway vhosts, webhook secrets, and the hive-priv client respectively.

See the top-level CLAUDE.md/docs/ index for the full reading-path map.