mirror of https://github.com/grpc/grpc-go.git
75 lines
1.7 KiB
Go
75 lines
1.7 KiB
Go
/*
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*
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* Copyright 2022 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 testutils
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import (
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"net"
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"testing"
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)
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// ConnWrapper wraps a net.Conn and pushes on a channel when closed.
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type ConnWrapper struct {
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net.Conn
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CloseCh *Channel
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}
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// Close closes the connection and sends a value on the close channel.
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func (cw *ConnWrapper) Close() error {
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err := cw.Conn.Close()
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cw.CloseCh.Replace(nil)
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return err
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}
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// ListenerWrapper wraps a net.Listener and the returned net.Conn.
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//
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// It pushes on a channel whenever it accepts a new connection.
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type ListenerWrapper struct {
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net.Listener
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NewConnCh *Channel
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}
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// Accept wraps the Listener Accept and sends the accepted connection on a
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// channel.
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func (l *ListenerWrapper) Accept() (net.Conn, error) {
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c, err := l.Listener.Accept()
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if err != nil {
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return nil, err
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}
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closeCh := NewChannel()
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conn := &ConnWrapper{Conn: c, CloseCh: closeCh}
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l.NewConnCh.Send(conn)
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return conn, nil
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}
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// NewListenerWrapper returns a ListenerWrapper.
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func NewListenerWrapper(t *testing.T, lis net.Listener) *ListenerWrapper {
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if lis == nil {
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var err error
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lis, err = LocalTCPListener()
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if err != nil {
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t.Fatal(err)
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}
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}
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return &ListenerWrapper{
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Listener: lis,
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NewConnCh: NewChannel(),
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}
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}
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