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https://github.com/containers/podman.git
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7c8c945496
Pull in updates made to the filters code for images. Filters now perform an AND operation except for th reference filter which does an OR operation for positive case but an AND operation for negative cases. Signed-off-by: Urvashi Mohnani <umohnani@redhat.com>
63 lines
2.1 KiB
Go
63 lines
2.1 KiB
Go
/*
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*
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* Copyright 2016 gRPC authors.
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*
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* Licensed under the Apache License, Version 2.0 (the "License");
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* you may not use this file except in compliance with the License.
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* You may obtain a copy of the License at
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*
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* http://www.apache.org/licenses/LICENSE-2.0
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*
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* Unless required by applicable law or agreed to in writing, software
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* distributed under the License is distributed on an "AS IS" BASIS,
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* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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* See the License for the specific language governing permissions and
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* limitations under the License.
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*
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*/
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// Package tap defines the function handles which are executed on the transport
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// layer of gRPC-Go and related information.
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//
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// # Experimental
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//
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// Notice: This API is EXPERIMENTAL and may be changed or removed in a
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// later release.
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package tap
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import (
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"context"
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"google.golang.org/grpc/metadata"
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)
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// Info defines the relevant information needed by the handles.
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type Info struct {
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// FullMethodName is the string of grpc method (in the format of
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// /package.service/method).
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FullMethodName string
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// Header contains the header metadata received.
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Header metadata.MD
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// TODO: More to be added.
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}
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// ServerInHandle defines the function which runs before a new stream is
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// created on the server side. If it returns a non-nil error, the stream will
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// not be created and an error will be returned to the client. If the error
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// returned is a status error, that status code and message will be used,
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// otherwise PermissionDenied will be the code and err.Error() will be the
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// message.
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//
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// It's intended to be used in situations where you don't want to waste the
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// resources to accept the new stream (e.g. rate-limiting). For other general
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// usages, please use interceptors.
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//
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// Note that it is executed in the per-connection I/O goroutine(s) instead of
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// per-RPC goroutine. Therefore, users should NOT have any
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// blocking/time-consuming work in this handle. Otherwise all the RPCs would
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// slow down. Also, for the same reason, this handle won't be called
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// concurrently by gRPC.
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type ServerInHandle func(ctx context.Context, info *Info) (context.Context, error)
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