The two items aimed at pointing GUI at a real veloxd instead of mockd.
rpc/event_hub — per-subscription fan-out shared by both transports.
subscribe() registers a connection with no interest; set_filter()
(session.subscribe, replaces not adds) turns on event kinds and an
optional per-task id filter; publish() delivers a pre-built
notification to every matching subscriber. session.subscribe on both
UdsServer and WsServer now does the real thing — registers/updates a
subscription, tears it down in close_conn.
sched/scheduler — the on_engine_state hook now actually publishes:
- transition() is the one place a task's row changes state; it reads
the store's own prior row for previousState (authoritative
regardless of engine/scheduler timing), writes the error columns,
and — when a hub is supplied — publishes event.task.state with
{taskId, state, previousState, summary, error}. Wired into every
transition: scheduler-driven (admission -> probing, resume ->
connecting, pause) and engine-reported (on_engine_state).
- progress_snapshot(): one row per task the engine is tracking
(EnginePort::progress(), a new interface method backed by
DownloadHandle::progress()), plus a store side-effect
(Tasks::update_progress) so download.list/get stay current between
state transitions. Returns rows; does NOT publish itself — batching
into one array message is the caller's job, per the schema's
x-maxRateHz: 4 and AGENT-DAEMON.md item 5 ("one message per task per
tick burns a core"). main.cpp's 250 ms timerfd is that caller: one
event.task.progress per tick, only when there's something to say.
dispatcher::on_download_add now publishes event.task.added (schema:
"summary is always present so a client can insert the row without a
follow-up download.get").
store/categories, store/queues — the two D3 handlers GUI's panels
call. category.list projects the six seeded built-ins; queue.list
derives taskIds from tasks.queue_id/queue_position (Queue's own schema
note: a queue's stored row never carries membership, download.update
/ queue.reorder do).
Verified live end to end against tools/testserver: a subscribed client
sees event.task.added on add, then the full event.task.state sequence
(queued -> probing -> connecting -> downloading -> assembling ->
verifying -> complete) with correct previousState at every step, and
real category.list / queue.list results.
Tests: event_hub (filter-by-kind, filter-by-task-id, replace-not-add,
unsubscribe), store_categories_queues, plus new sched_scheduler cases
for event.task.state publishing and progress_snapshot's store
side-effect. 38 daemon/cli tests green; sched_scheduler / event_hub /
ws_server / uds_roundtrip TSan-clean.
deferrals.md: D5 mostly closed (event.task.removed and the
still-unpublished events wait on their owning D3 handlers); D3 down to
the remaining download.* verbs, rules/settings/limiter/schedule,
queue mutation, category mutation, grabber, media.
Co-Authored-By: Claude Sonnet 5 <[email protected]>
Claude-Session: https://claude.ai/code/session_01Upd9WhG9oppieig5nRDLig
64 lines
2.2 KiB
C++
64 lines
2.2 KiB
C++
#pragma once
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// Per-subscription event fan-out, shared by both transports. A connection subscribes once
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// (session.subscribe) with the event kinds and optional task-id filter it wants; publish()
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// delivers a pre-built notification to every subscription that asked for that kind and
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// passes the per-task filter.
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//
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// event.task.progress is the one call site that matters for load: it is batched by the
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// caller (Scheduler::progress_snapshot + one publish) into a single array message at
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// <=4 Hz, never one publish per task — that batching happens before this class ever sees
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// it (AGENT-DAEMON.md item 5, event.task.progress.schema.json x-maxRateHz).
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#include <cstdint>
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#include <functional>
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#include <mutex>
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#include <optional>
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#include <string>
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#include <string_view>
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#include <unordered_map>
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#include <vector>
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#include <nlohmann/json_fwd.hpp>
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#include "velox_proto.hpp"
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namespace velox::daemon::rpc {
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class EventHub {
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public:
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using SubId = std::uint64_t;
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using Sink = std::function<void(const nlohmann::json&)>;
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// Register a connection with no interest yet; session.subscribe calls set_filter to
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// actually turn events on. Returns the id to unsubscribe with on disconnect.
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SubId subscribe(Sink sink);
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// Replaces the subscription's event set and task filter (session.subscribe replaces,
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// never adds — matches the method's own description).
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void set_filter(SubId id, std::vector<velox::proto::Event> events,
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std::optional<std::vector<std::string>> task_ids);
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void unsubscribe(SubId id);
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// `notification` is a complete {jsonrpc, method, params} object
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// (velox::proto::make_notification). `task_id` is matched against each subscription's
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// filter when set; empty means "not task-scoped" and reaches every subscriber of
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// `kind` regardless of their filter.
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void publish(velox::proto::Event kind, const nlohmann::json& notification,
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std::string_view task_id = {});
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private:
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struct Sub {
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Sink sink;
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std::vector<velox::proto::Event> events;
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std::optional<std::vector<std::string>> task_ids;
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};
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std::mutex mu_;
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std::unordered_map<SubId, Sub> subs_;
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SubId next_ = 1;
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};
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} // namespace velox::daemon::rpc
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