wehub-resource-sync
e84fb4a79e
container project - merge build / Invoke build (push) Successful in 1s
91 lines
3.1 KiB
Swift
91 lines
3.1 KiB
Swift
//===----------------------------------------------------------------------===//
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// Copyright © 2026 Apple Inc. and the container 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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import ContainerNetworkServer
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import ContainerResource
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import ContainerXPC
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import ContainerizationError
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import ContainerizationExtras
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import Logging
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public actor AllocationOnlyVmnetNetwork: Network {
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// The IPv4 subnet to be used if none explicitly passed in the `NetworkConfiguration`
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private static let defaultIPv4Subnet = try! CIDRv4("192.168.64.1/24")
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private let configuration: NetworkConfiguration
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private let log: Logger
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private var _status: NetworkStatus?
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/// Configure a bridge network that allows external system access using
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/// network address translation.
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public init(
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configuration: NetworkConfiguration,
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log: Logger
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) throws {
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guard configuration.mode == .nat else {
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throw ContainerizationError(.unsupported, message: "invalid network mode \(configuration.mode)")
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}
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guard configuration.ipv6Subnet == nil else {
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throw ContainerizationError(.unsupported, message: "IPv6 subnet assignment is not yet implemented")
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}
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self.configuration = configuration
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self.log = log
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self._status = nil
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}
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public nonisolated var id: String { configuration.id }
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public nonisolated var variant: String? { "allocationOnly" }
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public var status: NetworkStatus? { _status }
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public nonisolated func withAdditionalData(_ handler: (XPCMessage?) throws -> Void) throws {
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try handler(nil)
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}
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public func start() async throws {
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guard _status == nil else {
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throw ContainerizationError(.invalidState, message: "cannot start network \(configuration.id): already started")
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}
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log.info(
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"starting allocation-only network",
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metadata: [
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"id": "\(configuration.id)",
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"mode": "\(NetworkMode.nat.rawValue)",
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]
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)
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let ipv4Subnet = configuration.ipv4Subnet ?? Self.defaultIPv4Subnet
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let gateway = IPv4Address(ipv4Subnet.lower.value + 1)
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self._status = NetworkStatus(
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ipv4Subnet: ipv4Subnet,
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ipv4Gateway: gateway,
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ipv6Subnet: nil
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)
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log.info(
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"started allocation-only network",
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metadata: [
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"id": "\(configuration.id)",
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"mode": "\(configuration.mode)",
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"cidr": "\(ipv4Subnet)",
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]
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)
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}
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}
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