110289a093
Three-tier routing cache (ESL global -> file -> HTTP) eliminates HTTP
from call path for 2500-5000 concurrent calls. Lua reads cached route
in ~0.1us instead of blocking on api:execute('curl', ...).
Engine fixes:
- recalcBestLocked now skips stale nodes (was 5 min bug -> now ~10-15s)
- PickNodeForCall action_type='node' checks staleness for consistency
- onMetric callback pushes cache on every metric (no ticker delay)
Config:
- stale_threshold_sec default 20 -> 10 (industry standard)
- contrib/ included in Makefile deploy target
- route.lua paths updated for /opt/pulse-lets-go
37 lines
1.1 KiB
Go
37 lines
1.1 KiB
Go
package esl
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import (
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"encoding/json"
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"fmt"
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"time"
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)
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// RouteCacheEntry — запись для кэширования маршрута в FS global variable и файле.
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type RouteCacheEntry struct {
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NodeID string `json:"node_id,omitempty"`
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SIPGateway string `json:"sip_gateway,omitempty"`
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Score float64 `json:"score,omitempty"`
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Fallback bool `json:"fallback,omitempty"`
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Reason string `json:"reason,omitempty"`
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Error string `json:"error,omitempty"`
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TS int64 `json:"ts"`
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}
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// PushRoute пушит текущий маршрут в FreeSWITCH через global variable.
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// Если клиент не подключён — возвращает ошибку молча (вызывающий игнорирует).
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func PushRoute(c *Client, entry RouteCacheEntry) error {
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if c == nil || !c.IsConnected() {
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return fmt.Errorf("esl не подключён")
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}
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entry.TS = time.Now().Unix()
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jsonBytes, err := json.Marshal(entry)
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if err != nil {
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return fmt.Errorf("маршалинг route cache: %w", err)
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}
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cmd := fmt.Sprintf("api set_global pulse_route_json=%s", string(jsonBytes))
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return c.SendAsync(cmd)
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}
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