open-consul/agent/rpc/middleware/recovery.go

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package middleware
import (
"fmt"
"github.com/hashicorp/go-hclog"
)
// NewPanicHandler returns a RecoveryHandlerFunc type function
// to handle panic in RPC server's handlers.
func NewPanicHandler(logger hclog.Logger) RecoveryHandlerFunc {
return func(p interface{}) (err error) {
// Log the panic and the stack trace of the Goroutine that caused the panic.
stacktrace := hclog.Stacktrace()
logger.Error("panic serving rpc request",
"panic", p,
"stack", stacktrace,
)
return fmt.Errorf("rpc: panic serving request")
}
}
type RecoveryHandlerFunc func(p interface{}) (err error)