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invoking client-streaming RPC can panic (#262)

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This commit is contained in:
Joshua Humphries
2021-10-07 14:55:12 -04:00
committed by GitHub
parent b9d2d8cfa8
commit 76bbedeed0
1 changed files with 14 additions and 6 deletions
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20
invoke.go
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@@ -227,15 +227,19 @@ func invokeClientStream(ctx context.Context, stub grpcdynamic.Stub, md *desc.Met
return fmt.Errorf("grpc call for %q failed: %v", md.GetFullyQualifiedName(), err)
}
if respHeaders, err := str.Header(); err == nil {
handler.OnReceiveHeaders(respHeaders)
if str != nil {
if respHeaders, err := str.Header(); err == nil {
handler.OnReceiveHeaders(respHeaders)
}
}
if stat.Code() == codes.OK {
handler.OnReceiveResponse(resp)
}
handler.OnReceiveTrailers(stat, str.Trailer())
if str != nil {
handler.OnReceiveTrailers(stat, str.Trailer())
}
return nil
}
@@ -334,8 +338,10 @@ func invokeBidi(ctx context.Context, stub grpcdynamic.Stub, md *desc.MethodDescr
}()
}
if respHeaders, err := str.Header(); err == nil {
handler.OnReceiveHeaders(respHeaders)
if str != nil {
if respHeaders, err := str.Header(); err == nil {
handler.OnReceiveHeaders(respHeaders)
}
}
// Download each response message
@@ -362,7 +368,9 @@ func invokeBidi(ctx context.Context, stub grpcdynamic.Stub, md *desc.MethodDescr
return fmt.Errorf("grpc call for %q failed: %v", md.GetFullyQualifiedName(), err)
}
handler.OnReceiveTrailers(stat, str.Trailer())
if str != nil {
handler.OnReceiveTrailers(stat, str.Trailer())
}
return nil
}