import 'dart:io'; import 'package:flutter/foundation.dart' show kIsWeb; import 'package:path/path.dart' as p; import 'package:path_provider/path_provider.dart'; import 'package:system_info2/system_info2.dart' as sysinfo; import 'package:system_info_plus/system_info_plus.dart'; import 'veilid.dart'; const int megaByte = 1024 * 1024; int getLocalSubkeyCacheSize() { if (kIsWeb) { return 128; } return 1024; } Future getLocalMaxSubkeyCacheMemoryMb() async { if (kIsWeb) { return 256; } if (Platform.isIOS || Platform.isAndroid) { return (await SystemInfoPlus.physicalMemory ?? 2048) ~/ 32; } return sysinfo.SysInfo.getTotalPhysicalMemory() ~/ 32 ~/ megaByte; } int getRemoteSubkeyCacheSize() { if (kIsWeb) { return 64; } return 128; } int getRemoteMaxRecords() { if (kIsWeb) { return 64; } return 128; } Future getRemoteMaxSubkeyCacheMemoryMb() async { if (kIsWeb) { return 256; } if (Platform.isIOS || Platform.isAndroid) { return (await SystemInfoPlus.physicalMemory ?? 2048) ~/ 32; } return sysinfo.SysInfo.getTotalPhysicalMemory() ~/ 32 ~/ megaByte; } int getRemoteMaxStorageSpaceMb() { if (kIsWeb) { return 128; } return 256; } Future getDefaultVeilidConfig(String programName) async { // ignore: do_not_use_environment const bootstrap = String.fromEnvironment('BOOTSTRAP'); return VeilidConfig( programName: programName, namespace: '', capabilities: const VeilidConfigCapabilities(disable: []), protectedStore: const VeilidConfigProtectedStore( allowInsecureFallback: false, alwaysUseInsecureStorage: false, directory: '', delete: false, deviceEncryptionKeyPassword: '', ), tableStore: VeilidConfigTableStore( directory: kIsWeb ? '' : p.join((await getApplicationSupportDirectory()).absolute.path, 'table_store'), delete: false, ), blockStore: VeilidConfigBlockStore( directory: kIsWeb ? '' : p.join((await getApplicationSupportDirectory()).absolute.path, 'block_store'), delete: false, ), network: VeilidConfigNetwork( connectionInitialTimeoutMs: 2000, connectionInactivityTimeoutMs: 60000, maxConnectionsPerIp4: 32, maxConnectionsPerIp6Prefix: 32, maxConnectionsPerIp6PrefixSize: 56, maxConnectionFrequencyPerMin: 128, clientWhitelistTimeoutMs: 300000, reverseConnectionReceiptTimeMs: 5000, holePunchReceiptTimeMs: 5000, routingTable: VeilidConfigRoutingTable( nodeId: [], nodeIdSecret: [], bootstrap: bootstrap.isNotEmpty ? bootstrap.split(',') : (kIsWeb ? ['ws://bootstrap.veilid.net:5150/ws'] : ['bootstrap.veilid.net']), limitOverAttached: 64, limitFullyAttached: 32, limitAttachedStrong: 16, limitAttachedGood: 8, limitAttachedWeak: 4, ), rpc: const VeilidConfigRPC( concurrency: 0, queueSize: 1024, maxTimestampBehindMs: 10000, maxTimestampAheadMs: 10000, timeoutMs: 5000, maxRouteHopCount: 4, defaultRouteHopCount: 1, ), dht: VeilidConfigDHT( resolveNodeTimeoutMs: 10000, resolveNodeCount: 1, resolveNodeFanout: 4, maxFindNodeCount: 20, getValueTimeoutMs: 10000, getValueCount: 3, getValueFanout: 4, setValueTimeoutMs: 10000, setValueCount: 4, setValueFanout: 6, minPeerCount: 20, minPeerRefreshTimeMs: 60000, validateDialInfoReceiptTimeMs: 2000, localSubkeyCacheSize: getLocalSubkeyCacheSize(), localMaxSubkeyCacheMemoryMb: await getLocalMaxSubkeyCacheMemoryMb(), remoteSubkeyCacheSize: getRemoteSubkeyCacheSize(), remoteMaxRecords: getRemoteMaxRecords(), remoteMaxSubkeyCacheMemoryMb: await getRemoteMaxSubkeyCacheMemoryMb(), remoteMaxStorageSpaceMb: getRemoteMaxStorageSpaceMb()), upnp: true, detectAddressChanges: true, restrictedNatRetries: 0, tls: const VeilidConfigTLS( certificatePath: '', privateKeyPath: '', connectionInitialTimeoutMs: 2000, ), application: const VeilidConfigApplication( https: VeilidConfigHTTPS( enabled: false, listenAddress: '', path: '', ), http: VeilidConfigHTTP( enabled: false, listenAddress: '', path: '', )), protocol: const VeilidConfigProtocol( udp: VeilidConfigUDP( enabled: !kIsWeb, socketPoolSize: 0, listenAddress: '', ), tcp: VeilidConfigTCP( connect: !kIsWeb, listen: !kIsWeb, maxConnections: 32, listenAddress: '', ), ws: VeilidConfigWS( connect: true, listen: !kIsWeb, maxConnections: 32, listenAddress: '', path: 'ws', ), wss: VeilidConfigWSS( connect: true, listen: false, maxConnections: 32, listenAddress: '', path: 'ws', ), ), ), ); }