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listen_posix.go
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listen_posix.go
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// Copyright 2023 Google LLC
//
// Licensed under the Apache License, Version 2.0 (the "License");
// you may not use this file except in compliance with the License.
// You may obtain a copy of the License at
//
// http://www.apache.org/licenses/LICENSE-2.0
//
// Unless required by applicable law or agreed to in writing, software
// distributed under the License is distributed on an "AS IS" BASIS,
// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
// See the License for the specific language governing permissions and
// limitations under the License.
//go:build !windows
package ipc
import (
"fmt"
"net"
"os"
"strings"
)
// Listen announces on the serverAddr to accept grpc connection.
func Listen(serverAddr string) (net.Listener, error) {
network := "tcp"
address := serverAddr
if strings.HasPrefix(address, "unix://") {
network = "unix"
address = strings.TrimPrefix(address, "unix://")
if _, err := os.Stat(address); err == nil {
if err := os.RemoveAll(address); err != nil {
return nil, fmt.Errorf("failed to remove socket file %q: %v", address, err)
}
}
}
return net.Listen(network, address)
}