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57 lines
1.5 KiB
57 lines
1.5 KiB
/* |
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* |
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* Copyright 2017 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 passthrough implements a pass-through resolver. It sends the target |
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// name without scheme back to gRPC as resolved address. |
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package passthrough |
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import "google.golang.org/grpc/resolver" |
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const scheme = "passthrough" |
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type passthroughBuilder struct{} |
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func (*passthroughBuilder) Build(target resolver.Target, cc resolver.ClientConn, opts resolver.BuildOption) (resolver.Resolver, error) { |
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r := &passthroughResolver{ |
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target: target, |
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cc: cc, |
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} |
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r.start() |
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return r, nil |
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} |
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func (*passthroughBuilder) Scheme() string { |
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return scheme |
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} |
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type passthroughResolver struct { |
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target resolver.Target |
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cc resolver.ClientConn |
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} |
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func (r *passthroughResolver) start() { |
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r.cc.NewAddress([]resolver.Address{{Addr: r.target.Endpoint}}) |
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} |
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func (*passthroughResolver) ResolveNow(o resolver.ResolveNowOption) {} |
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func (*passthroughResolver) Close() {} |
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func init() { |
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resolver.Register(&passthroughBuilder{}) |
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}
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