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53 lines
1.5 KiB
53 lines
1.5 KiB
5 years ago
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/*
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Copyright The containerd Authors.
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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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http://www.apache.org/licenses/LICENSE-2.0
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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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package ttrpc
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import "github.com/pkg/errors"
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type serverConfig struct {
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handshaker Handshaker
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interceptor UnaryServerInterceptor
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}
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// ServerOpt for configuring a ttrpc server
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type ServerOpt func(*serverConfig) error
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// WithServerHandshaker can be passed to NewServer to ensure that the
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// handshaker is called before every connection attempt.
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//
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// Only one handshaker is allowed per server.
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func WithServerHandshaker(handshaker Handshaker) ServerOpt {
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return func(c *serverConfig) error {
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if c.handshaker != nil {
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return errors.New("only one handshaker allowed per server")
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}
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c.handshaker = handshaker
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return nil
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}
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}
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// WithUnaryServerInterceptor sets the provided interceptor on the server
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func WithUnaryServerInterceptor(i UnaryServerInterceptor) ServerOpt {
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return func(c *serverConfig) error {
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if c.interceptor != nil {
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return errors.New("only one interceptor allowed per server")
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}
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c.interceptor = i
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return nil
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}
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}
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