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61 lines
1.6 KiB
61 lines
1.6 KiB
package warden
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import (
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"context"
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"fmt"
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"os"
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"runtime"
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"github.com/go-kratos/kratos/pkg/ecode"
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"github.com/go-kratos/kratos/pkg/log"
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"google.golang.org/grpc"
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"google.golang.org/grpc/codes"
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"google.golang.org/grpc/status"
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)
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// recovery is a server interceptor that recovers from any panics.
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func (s *Server) recovery() grpc.UnaryServerInterceptor {
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return func(ctx context.Context, req interface{}, args *grpc.UnaryServerInfo, handler grpc.UnaryHandler) (resp interface{}, err error) {
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defer func() {
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if rerr := recover(); rerr != nil {
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const size = 64 << 10
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buf := make([]byte, size)
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rs := runtime.Stack(buf, false)
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if rs > size {
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rs = size
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}
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buf = buf[:rs]
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pl := fmt.Sprintf("grpc server panic: %v\n%v\n%s\n", req, rerr, buf)
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fmt.Fprint(os.Stderr, pl)
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log.Error(pl)
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err = status.Errorf(codes.Unknown, ecode.ServerErr.Error())
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}
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}()
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resp, err = handler(ctx, req)
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return
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}
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}
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// recovery return a client interceptor that recovers from any panics.
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func (c *Client) recovery() grpc.UnaryClientInterceptor {
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return func(ctx context.Context, method string, req, reply interface{}, cc *grpc.ClientConn, invoker grpc.UnaryInvoker, opts ...grpc.CallOption) (err error) {
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defer func() {
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if rerr := recover(); rerr != nil {
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const size = 64 << 10
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buf := make([]byte, size)
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rs := runtime.Stack(buf, false)
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if rs > size {
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rs = size
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}
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buf = buf[:rs]
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pl := fmt.Sprintf("grpc client panic: %v\n%v\n%v\n%s\n", req, reply, rerr, buf)
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fmt.Fprintf(os.Stderr, pl)
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log.Error(pl)
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err = ecode.ServerErr
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}
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}()
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err = invoker(ctx, method, req, reply, cc, opts...)
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return
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}
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}
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