unarr/internal/cmd/reload_unix.go

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//go:build !windows
package cmd
import (
"log"
"os"
"os/signal"
"syscall"
"time"
"github.com/torrentclaw/torrentclaw-cli/internal/agent"
"github.com/torrentclaw/torrentclaw-cli/internal/config"
)
// ReloadableConfig holds a reference to the daemon for hot-reload.
type ReloadableConfig struct {
Daemon *agent.Daemon
}
// startReloadWatcher listens for SIGUSR1 and reloads config.
// Only intervals are hot-reloadable (speeds require torrent client restart).
func startReloadWatcher(rc *ReloadableConfig) {
sigCh := make(chan os.Signal, 1)
signal.Notify(sigCh, syscall.SIGUSR1)
go func() {
for range sigCh {
log.Println("Received SIGUSR1, reloading config...")
cfg, err := config.Load("")
if err != nil {
log.Printf("Config reload failed: %v", err)
continue
}
cfg.ApplyEnvOverrides()
// Update poll interval
if d, _ := time.ParseDuration(cfg.Daemon.PollInterval); d > 0 && rc.Daemon.PollTicker != nil {
rc.Daemon.PollTicker.Reset(d)
log.Printf(" Poll interval: %s", d)
}
// Update heartbeat interval
if d, _ := time.ParseDuration(cfg.Daemon.HeartbeatInterval); d > 0 && rc.Daemon.HeartbeatTicker != nil {
rc.Daemon.HeartbeatTicker.Reset(d)
log.Printf(" Heartbeat interval: %s", d)
}
log.Println("Config reloaded successfully")
}
}()
}