5e683af2a4
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Replace the polling-based delivery engine with a fully event-driven architecture using Go channels and goroutines: - Webhook handler notifies engine via buffered channel after creating delivery records, with inline event data for payloads < 16KB - Large payloads (>= 16KB) use pointer semantics (Body *string = nil) and are fetched from DB on demand, keeping channel memory bounded - Failed retry-target deliveries schedule Go timers with exponential backoff; timers fire into a separate retry channel when ready - On startup, engine scans DB once to recover interrupted deliveries (pending processed immediately, retrying get timers for remaining backoff) - DB stores delivery status for crash recovery only, not for inter-component communication during normal operation - delivery.Notifier interface decouples handlers from engine; fx wires *Engine as Notifier No more periodic polling. No more wasted cycles when idle.
50 lines
1.2 KiB
Go
50 lines
1.2 KiB
Go
package main
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import (
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"runtime"
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"go.uber.org/fx"
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"sneak.berlin/go/webhooker/internal/config"
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"sneak.berlin/go/webhooker/internal/database"
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"sneak.berlin/go/webhooker/internal/delivery"
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"sneak.berlin/go/webhooker/internal/globals"
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"sneak.berlin/go/webhooker/internal/handlers"
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"sneak.berlin/go/webhooker/internal/healthcheck"
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"sneak.berlin/go/webhooker/internal/logger"
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"sneak.berlin/go/webhooker/internal/middleware"
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"sneak.berlin/go/webhooker/internal/server"
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"sneak.berlin/go/webhooker/internal/session"
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)
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// Build-time variables set via -ldflags.
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var (
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version = "dev"
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appname = "webhooker"
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)
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func main() {
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globals.Appname = appname
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globals.Version = version
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globals.Buildarch = runtime.GOARCH
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fx.New(
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fx.Provide(
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globals.New,
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logger.New,
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config.New,
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database.New,
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database.NewWebhookDBManager,
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healthcheck.New,
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session.New,
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handlers.New,
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middleware.New,
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delivery.New,
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// Wire *delivery.Engine as delivery.Notifier so the
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// webhook handler can notify the engine of new deliveries.
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func(e *delivery.Engine) delivery.Notifier { return e },
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server.New,
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),
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fx.Invoke(func(*server.Server, *delivery.Engine) {}),
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).Run()
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}
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