48 lines
1.1 KiB
Go
48 lines
1.1 KiB
Go
package node
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import (
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"fmt"
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"os"
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"os/signal"
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"github.com/status-im/status-go/geth/common"
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"github.com/status-im/status-go/geth/log"
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)
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// HaltOnPanic recovers from panic, logs issue, sends upward notification, and exits
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func HaltOnPanic() {
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if r := recover(); r != nil {
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err := fmt.Errorf("%v: %v", ErrNodeRunFailure, r)
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// send signal up to native app
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SendSignal(SignalEnvelope{
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Type: EventNodeCrashed,
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Event: NodeCrashEvent{
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Error: err.Error(),
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},
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})
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common.Fatalf(err) // os.exit(1) is called internally
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}
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}
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// HaltOnInterruptSignal stops node and panics if you press Ctrl-C enough times
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func HaltOnInterruptSignal(nodeManager *NodeManager) {
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sigc := make(chan os.Signal, 1)
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signal.Notify(sigc, os.Interrupt)
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defer signal.Stop(sigc)
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<-sigc
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if nodeManager.node == nil {
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return
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}
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log.Info("Got interrupt, shutting down...")
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go nodeManager.node.Stop() // nolint: errcheck
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for i := 3; i > 0; i-- {
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<-sigc
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if i > 1 {
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log.Info(fmt.Sprintf("Already shutting down, interrupt %d more times for panic.", i-1))
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}
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}
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panic("interrupted!")
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}
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