af981dc0b0
- Add new indirect dependencies including various Charmbracelet packages for improved UI handling. - Enhance logging in the Assistant module by adding tool completion and start logging for better traceability of tool calls. - Modify context handling in the RequestLogger to support a stack-based assistant ID management, improving the logging structure for agent requests. - Implement event service integration for better trace management and debugging capabilities.
81 lines
2.2 KiB
Go
81 lines
2.2 KiB
Go
package trace
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import (
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"fmt"
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"github.com/yaoapp/yao/event"
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eventTypes "github.com/yaoapp/yao/event/types"
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"github.com/yaoapp/yao/trace/types"
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)
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func dedupKey(u *types.TraceUpdate) string {
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return fmt.Sprintf("%s:%s:%d", u.Type, u.NodeID, u.Timestamp)
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}
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// Subscribe creates a new subscription for trace updates (replays all historical events from the beginning)
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func (m *manager) Subscribe() (<-chan *types.TraceUpdate, error) {
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return m.subscribe(0)
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}
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// SubscribeFrom creates a subscription starting from a specific timestamp
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func (m *manager) SubscribeFrom(since int64) (<-chan *types.TraceUpdate, error) {
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return m.subscribe(since)
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}
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// subscribe creates a subscription channel that first replays historical
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// updates, then streams live events via the event service's Subscriber.
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// The subscriber is registered BEFORE reading historical state to prevent
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// missing events that occur between the state snapshot and subscriber setup.
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func (m *manager) subscribe(since int64) (<-chan *types.TraceUpdate, error) {
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bufferSize := 1000
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out := make(chan *types.TraceUpdate, bufferSize)
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// Register live subscriber FIRST to avoid missing events between snapshot and subscribe.
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liveCh := make(chan *eventTypes.Event, bufferSize)
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traceID := m.traceID
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subID := event.Subscribe("trace.*", liveCh, event.Filter(func(ev *eventTypes.Event) bool {
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update, ok := ev.Payload.(*types.TraceUpdate)
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if !ok {
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return false
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}
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return update.TraceID == traceID
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}))
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// THEN snapshot historical updates (may overlap with live events).
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historical := m.stateGetUpdates(since)
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// Build a set of historical event identifiers for dedup.
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// Key: "type:nodeID:timestamp" is unique enough for trace events.
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histSeen := make(map[string]struct{}, len(historical))
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for _, u := range historical {
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histSeen[dedupKey(u)] = struct{}{}
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}
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go func() {
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defer close(out)
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defer event.Unsubscribe(subID)
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for _, update := range historical {
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out <- update
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}
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for ev := range liveCh {
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update, ok := ev.Payload.(*types.TraceUpdate)
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if !ok {
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continue
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}
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key := dedupKey(update)
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if _, dup := histSeen[key]; dup {
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delete(histSeen, key)
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continue
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}
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out <- update
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if update.Type == types.UpdateTypeComplete {
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return
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}
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}
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}()
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return out, nil
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}
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