/
panicinterceptor.go
46 lines (39 loc) · 1.06 KB
/
panicinterceptor.go
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package serverinterceptors
import (
"context"
"log"
"runtime"
"google.golang.org/grpc"
"google.golang.org/grpc/codes"
"google.golang.org/grpc/status"
)
func StreamCrashInterceptor(srv interface{}, stream grpc.ServerStream, info *grpc.StreamServerInfo,
handler grpc.StreamHandler) (err error) {
defer handleCrash(func(r interface{}) {
err = toPanicError(r)
})
return handler(srv, stream)
}
func UnaryCrashInterceptor() grpc.UnaryServerInterceptor {
return func(ctx context.Context, req interface{}, info *grpc.UnaryServerInfo,
handler grpc.UnaryHandler) (resp interface{}, err error) {
defer handleCrash(func(r interface{}) {
err = toPanicError(r)
})
return handler(ctx, req)
}
}
// @desc 捕获panic
// @auth liuguoqiang 2020-06-11
// @param
// @return
func handleCrash(handler func(interface{})) {
if r := recover(); r != nil {
handler(r)
}
}
func toPanicError(r interface{}) error {
var buf [2 << 10]byte
log.Printf("[server-panic] - %v - %s", r, string(buf[:runtime.Stack(buf[:], false)]))
return status.Errorf(codes.Internal, "panic: %v", r)
}