81 lines
2.8 KiB
Swift
81 lines
2.8 KiB
Swift
import Foundation
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/// Single, shared Gateway websocket connection for the whole app.
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///
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/// This owns exactly one `GatewayChannelActor` and reuses it across all callers
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/// (ControlChannel, AgentRPC, SwiftUI WebChat, etc.).
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actor GatewayConnection {
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static let shared = GatewayConnection()
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typealias Config = (url: URL, token: String?)
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private let configProvider: @Sendable () async throws -> Config
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private let sessionBox: WebSocketSessionBox?
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private var client: GatewayChannelActor?
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private var configuredURL: URL?
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private var configuredToken: String?
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init(
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configProvider: @escaping @Sendable () async throws -> Config = GatewayConnection.defaultConfigProvider,
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sessionBox: WebSocketSessionBox? = nil)
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{
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self.configProvider = configProvider
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self.sessionBox = sessionBox
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}
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func request(
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method: String,
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params: [String: AnyCodable]?,
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timeoutMs: Double? = nil) async throws -> Data
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{
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let cfg = try await self.configProvider()
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await self.configure(url: cfg.url, token: cfg.token)
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guard let client else {
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throw NSError(domain: "Gateway", code: 0, userInfo: [NSLocalizedDescriptionKey: "gateway not configured"])
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}
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return try await client.request(method: method, params: params, timeoutMs: timeoutMs)
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}
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/// Ensure the underlying socket is configured (and replaced if config changed).
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func refresh() async throws {
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let cfg = try await self.configProvider()
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await self.configure(url: cfg.url, token: cfg.token)
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}
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func shutdown() async {
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if let client {
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await client.shutdown()
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}
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self.client = nil
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self.configuredURL = nil
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self.configuredToken = nil
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}
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private func configure(url: URL, token: String?) async {
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if self.client != nil, self.configuredURL == url, self.configuredToken == token {
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return
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}
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if let client {
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await client.shutdown()
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}
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self.client = GatewayChannelActor(url: url, token: token, session: self.sessionBox)
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self.configuredURL = url
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self.configuredToken = token
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}
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private static func defaultConfigProvider() async throws -> Config {
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let mode = await MainActor.run { AppStateStore.shared.connectionMode }
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let token = ProcessInfo.processInfo.environment["CLAWDIS_GATEWAY_TOKEN"]
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switch mode {
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case .local:
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let port = GatewayEnvironment.gatewayPort()
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return (URL(string: "ws://127.0.0.1:\(port)")!, token)
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case .remote:
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let forwarded = try await RemoteTunnelManager.shared.ensureControlTunnel()
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return (URL(string: "ws://127.0.0.1:\(Int(forwarded))")!, token)
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}
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}
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}
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