mirror of https://github.com/pulumi/pulumi.git
39 lines
1.0 KiB
Go
39 lines
1.0 KiB
Go
// Copyright 2024-2024, Pulumi Corporation.
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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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package netutil
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import (
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"errors"
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"fmt"
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"net"
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)
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func isPortAvailable(port int) bool {
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if l, err := net.Listen("tcp", fmt.Sprintf("127.0.0.1:%d", port)); err == nil {
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l.Close()
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return true
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}
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return false
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}
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func FindNextAvailablePort(startPort int) (int, error) {
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for port := startPort; port < 65535; port++ {
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if isPortAvailable(port) {
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return port, nil
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}
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}
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return 0, errors.New("no open ports found")
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}
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