wehub-resource-sync
680845cb1c
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85 lines
2.8 KiB
Swift
85 lines
2.8 KiB
Swift
//===----------------------------------------------------------------------===//
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// Copyright © 2025-2026 Apple Inc. and the Containerization project 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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// https://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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#if os(macOS)
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import vmnet
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import Virtualization
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import ContainerizationError
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import ContainerizationExtras
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import Synchronization
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/// An interface that uses NAT to provide an IP address for a given
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/// container/virtual machine.
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@available(macOS 26, *)
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public final class NATNetworkInterface: Interface, Sendable {
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public let ipv4Address: CIDRv4
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public let ipv4Gateway: IPv4Address?
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public let macAddress: MACAddress?
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public let mtu: UInt32
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@available(macOS 26, *)
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// `reference` isn't used concurrently.
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public nonisolated(unsafe) let reference: vmnet_network_ref!
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@available(macOS 26, *)
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public init(
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ipv4Address: CIDRv4,
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ipv4Gateway: IPv4Address?,
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reference: sending vmnet_network_ref,
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macAddress: MACAddress? = nil,
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mtu: UInt32 = 1500
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) {
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self.ipv4Address = ipv4Address
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self.ipv4Gateway = ipv4Gateway
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self.macAddress = macAddress
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self.mtu = mtu
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self.reference = reference
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}
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@available(macOS, obsoleted: 26, message: "Use init(ipv4Address:ipv4Gateway:reference:macAddress:) instead")
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public init(
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ipv4Address: CIDRv4,
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ipv4Gateway: IPv4Address?,
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macAddress: MACAddress? = nil,
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mtu: UInt32 = 1500
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) {
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self.ipv4Address = ipv4Address
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self.ipv4Gateway = ipv4Gateway
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self.macAddress = macAddress
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self.mtu = mtu
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self.reference = nil
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}
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}
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@available(macOS 26, *)
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extension NATNetworkInterface: VZInterface {
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public func device() throws -> VZVirtioNetworkDeviceConfiguration {
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let config = VZVirtioNetworkDeviceConfiguration()
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if let macAddress = self.macAddress {
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guard let mac = VZMACAddress(string: macAddress.description) else {
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throw ContainerizationError(.invalidArgument, message: "invalid mac address \(macAddress)")
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}
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config.macAddress = mac
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}
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config.attachment = VZVmnetNetworkDeviceAttachment(network: self.reference)
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return config
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}
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}
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#endif
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