veilid/veilid-flutter/lib/veilid_ffi.dart

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import 'dart:async';
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import 'dart:ffi';
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import 'dart:io';
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import 'dart:isolate';
import 'dart:convert';
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import 'dart:typed_data';
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import 'package:ffi/ffi.dart';
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import 'veilid.dart';
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import 'veilid_encoding.dart';
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//////////////////////////////////////////////////////////
// Load the veilid_flutter library once
const _base = 'veilid_flutter';
final _path = Platform.isWindows
? '$_base.dll'
: Platform.isMacOS
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? 'lib$_base.dylib'
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: 'lib$_base.so';
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final _dylib =
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Platform.isIOS ? DynamicLibrary.process() : DynamicLibrary.open(_path);
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// Linkage for initialization
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typedef _DartPostCObject
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= NativeFunction<Int8 Function(Int64, Pointer<Dart_CObject>)>;
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// fn free_string(s: *mut std::os::raw::c_char)
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typedef _FreeStringC = Void Function(Pointer<Utf8>);
typedef _FreeStringDart = void Function(Pointer<Utf8>);
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// fn initialize_veilid_flutter(dart_post_c_object_ptr: ffi::DartPostCObjectFnType)
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typedef _InitializeVeilidFlutterC = Void Function(Pointer<_DartPostCObject>);
typedef _InitializeVeilidFlutterDart = void Function(Pointer<_DartPostCObject>);
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// fn initialize_veilid_core(platform_config: FfiStr)
typedef _InitializeVeilidCoreC = Void Function(Pointer<Utf8>);
typedef _InitializeVeilidCoreDart = void Function(Pointer<Utf8>);
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// fn change_log_level(layer: FfiStr, log_level: FfiStr)
typedef _ChangeLogLevelC = Void Function(Pointer<Utf8>, Pointer<Utf8>);
typedef _ChangeLogLevelDart = void Function(Pointer<Utf8>, Pointer<Utf8>);
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// fn startup_veilid_core(port: i64, config: FfiStr)
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typedef _StartupVeilidCoreC = Void Function(Int64, Int64, Pointer<Utf8>);
typedef _StartupVeilidCoreDart = void Function(int, int, Pointer<Utf8>);
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// fn get_veilid_state(port: i64)
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typedef _GetVeilidStateC = Void Function(Int64);
typedef _GetVeilidStateDart = void Function(int);
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// fn attach(port: i64)
typedef _AttachC = Void Function(Int64);
typedef _AttachDart = void Function(int);
// fn detach(port: i64)
typedef _DetachC = Void Function(Int64);
typedef _DetachDart = void Function(int);
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// fn routing_context(port: i64)
typedef _RoutingContextC = Void Function(Int64);
typedef _RoutingContextDart = void Function(int);
// fn release_routing_context(id: u32)
typedef _ReleaseRoutingContextC = Int32 Function(Uint32);
typedef _ReleaseRoutingContextDart = int Function(int);
// fn routing_context_with_privacy(id: u32) -> u32
typedef _RoutingContextWithPrivacyC = Uint32 Function(Uint32);
typedef _RoutingContextWithPrivacyDart = int Function(int);
// fn routing_context_with_custom_privacy(id: u32, stability: FfiStr)
typedef _RoutingContextWithCustomPrivacyC = Uint32 Function(
Uint32, Pointer<Utf8>);
typedef _RoutingContextWithCustomPrivacyDart = int Function(int, Pointer<Utf8>);
// fn routing_context_with_sequencing(id: u32, sequencing: FfiStr)
typedef _RoutingContextWithSequencingC = Uint32 Function(Uint32, Pointer<Utf8>);
typedef _RoutingContextWithSequencingDart = int Function(int, Pointer<Utf8>);
// fn routing_context_app_call(port: i64, id: u32, target: FfiStr, request: FfiStr)
typedef _RoutingContextAppCallC = Void Function(
Int64, Uint32, Pointer<Utf8>, Pointer<Utf8>);
typedef _RoutingContextAppCallDart = void Function(
int, int, Pointer<Utf8>, Pointer<Utf8>);
// fn routing_context_app_message(port: i64, id: u32, target: FfiStr, request: FfiStr)
typedef _RoutingContextAppMessageC = Void Function(
Int64, Uint32, Pointer<Utf8>, Pointer<Utf8>);
typedef _RoutingContextAppMessageDart = void Function(
int, int, Pointer<Utf8>, Pointer<Utf8>);
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// fn routing_context_create_dht_record(port: i64, id: u32, kind: u32, schema: FfiStr)
typedef _RoutingContextCreateDHTRecordC = Void Function(
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Int64, Uint32, Pointer<Utf8>, Uint32);
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typedef _RoutingContextCreateDHTRecordDart = void Function(
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int, int, Pointer<Utf8>, int);
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// fn routing_context_open_dht_record(port: i64, id: u32, key: FfiStr, writer: FfiStr)
typedef _RoutingContextOpenDHTRecordC = Void Function(
Int64, Uint32, Pointer<Utf8>, Pointer<Utf8>);
typedef _RoutingContextOpenDHTRecordDart = void Function(
int, int, Pointer<Utf8>, Pointer<Utf8>);
// fn routing_context_close_dht_record(port: i64, id: u32, key: FfiStr)
typedef _RoutingContextCloseDHTRecordC = Void Function(
Int64, Uint32, Pointer<Utf8>);
typedef _RoutingContextCloseDHTRecordDart = void Function(
int, int, Pointer<Utf8>);
// fn routing_context_delete_dht_record(port: i64, id: u32, key: FfiStr)
typedef _RoutingContextDeleteDHTRecordC = Void Function(
Int64, Uint32, Pointer<Utf8>);
typedef _RoutingContextDeleteDHTRecordDart = void Function(
int, int, Pointer<Utf8>);
// fn routing_context_get_dht_value(port: i64, id: u32, key: FfiStr, subkey: u32, force_refresh: bool)
typedef _RoutingContextGetDHTValueC = Void Function(
Int64, Uint32, Pointer<Utf8>, Uint32, Bool);
typedef _RoutingContextGetDHTValueDart = void Function(
int, int, Pointer<Utf8>, int, bool);
// fn routing_context_set_dht_value(port: i64, id: u32, key: FfiStr, subkey: u32, data: FfiStr)
typedef _RoutingContextSetDHTValueC = Void Function(
Int64, Uint32, Pointer<Utf8>, Uint32, Pointer<Utf8>);
typedef _RoutingContextSetDHTValueDart = void Function(
int, int, Pointer<Utf8>, int, Pointer<Utf8>);
// fn routing_context_watch_dht_values(port: i64, id: u32, key: FfiStr, subkeys: FfiStr, expiration: FfiStr, count: u32)
typedef _RoutingContextWatchDHTValuesC = Void Function(
Int64, Uint32, Pointer<Utf8>, Pointer<Utf8>, Uint64, Uint32);
typedef _RoutingContextWatchDHTValuesDart = void Function(
int, int, Pointer<Utf8>, Pointer<Utf8>, int, int);
// fn routing_context_cancel_dht_watch(port: i64, id: u32, key: FfiStr, subkeys: FfiStr)
typedef _RoutingContextCancelDHTWatchC = Void Function(
Int64, Uint32, Pointer<Utf8>, Pointer<Utf8>);
typedef _RoutingContextCancelDHTWatchDart = void Function(
int, int, Pointer<Utf8>, Pointer<Utf8>);
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// fn new_private_route(port: i64)
typedef _NewPrivateRouteC = Void Function(Int64);
typedef _NewPrivateRouteDart = void Function(int);
// fn new_custom_private_route(port: i64, stability: FfiStr, sequencing: FfiStr)
typedef _NewCustomPrivateRouteC = Void Function(
Int64, Pointer<Utf8>, Pointer<Utf8>);
typedef _NewCustomPrivateRouteDart = void Function(
int, Pointer<Utf8>, Pointer<Utf8>);
// fn import_remote_private_route(port: i64, blob: FfiStr)
typedef _ImportRemotePrivateRouteC = Void Function(Int64, Pointer<Utf8>);
typedef _ImportRemotePrivateRouteDart = void Function(int, Pointer<Utf8>);
// fn release_private_route(port:i64, key: FfiStr)
typedef _ReleasePrivateRouteC = Void Function(Int64, Pointer<Utf8>);
typedef _ReleasePrivateRouteDart = void Function(int, Pointer<Utf8>);
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// fn app_call_reply(port: i64, id: FfiStr, message: FfiStr)
typedef _AppCallReplyC = Void Function(Int64, Pointer<Utf8>, Pointer<Utf8>);
typedef _AppCallReplyDart = void Function(int, Pointer<Utf8>, Pointer<Utf8>);
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// fn open_table_db(port: i64, name: FfiStr, column_count: u32)
typedef _OpenTableDbC = Void Function(Int64, Pointer<Utf8>, Uint32);
typedef _OpenTableDbDart = void Function(int, Pointer<Utf8>, int);
// fn release_table_db(id: u32) -> i32
typedef _ReleaseTableDbC = Int32 Function(Uint32);
typedef _ReleaseTableDbDart = int Function(int);
// fn delete_table_db(port: i64, name: FfiStr)
typedef _DeleteTableDbC = Void Function(Int64, Pointer<Utf8>);
typedef _DeleteTableDbDart = void Function(int, Pointer<Utf8>);
// fn table_db_get_column_count(id: u32) -> u32
typedef _TableDbGetColumnCountC = Uint32 Function(Uint32);
typedef _TableDbGetColumnCountDart = int Function(int);
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// fn table_db_get_keys(port: i64, id: u32, col: u32)
typedef _TableDbGetKeysC = Pointer<Utf8> Function(Uint64, Uint32, Uint32);
typedef _TableDbGetKeysDart = Pointer<Utf8> Function(int, int, int);
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// fn table_db_store(port: i64, id: u32, col: u32, key: FfiStr, value: FfiStr)
typedef _TableDbStoreC = Void Function(
Int64, Uint32, Uint32, Pointer<Utf8>, Pointer<Utf8>);
typedef _TableDbStoreDart = void Function(
int, int, int, Pointer<Utf8>, Pointer<Utf8>);
// fn table_db_load(port: i64, id: u32, col: u32, key: FfiStr)
typedef _TableDbLoadC = Void Function(Int64, Uint32, Uint32, Pointer<Utf8>);
typedef _TableDbLoadDart = void Function(int, int, int, Pointer<Utf8>);
// fn table_db_delete(port: i64, id: u32, col: u32, key: FfiStr)
typedef _TableDbDeleteC = Void Function(Int64, Uint32, Uint32, Pointer<Utf8>);
typedef _TableDbDeleteDart = void Function(int, int, int, Pointer<Utf8>);
// fn table_db_transact(id: u32) -> u32
typedef _TableDbTransactC = Uint32 Function(Uint32);
typedef _TableDbTransactDart = int Function(int);
// fn release_table_db_transaction(id: u32) -> i32
typedef _ReleaseTableDbTransactionC = Int32 Function(Uint32);
typedef _ReleaseTableDbTransactionDart = int Function(int);
// fn table_db_transaction_commit(port: i64, id: u32)
typedef _TableDbTransactionCommitC = Void Function(Uint64, Uint32);
typedef _TableDbTransactionCommitDart = void Function(int, int);
// fn table_db_transaction_rollback(port: i64, id: u32)
typedef _TableDbTransactionRollbackC = Void Function(Uint64, Uint32);
typedef _TableDbTransactionRollbackDart = void Function(int, int);
// fn table_db_transaction_store(port: i64, id: u32, col: u32, key: FfiStr, value: FfiStr)
typedef _TableDbTransactionStoreC = Void Function(
Int64, Uint32, Uint32, Pointer<Utf8>, Pointer<Utf8>);
typedef _TableDbTransactionStoreDart = void Function(
int, int, int, Pointer<Utf8>, Pointer<Utf8>);
// fn table_db_transaction_delete(port: i64, id: u32, col: u32, key: FfiStr)
typedef _TableDbTransactionDeleteC = Void Function(
Int64, Uint32, Uint32, Pointer<Utf8>);
typedef _TableDbTransactionDeleteDart = void Function(
int, int, int, Pointer<Utf8>);
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// fn valid_crypto_kinds() -> *mut c_char
typedef _ValidCryptoKindsC = Pointer<Utf8> Function();
typedef _ValidCryptoKindsDart = Pointer<Utf8> Function();
// fn best_crypto_kind() -> u32
typedef _BestCryptoKindC = Uint32 Function();
typedef _BestCryptoKindDart = int Function();
// fn verify_signatures(port: i64, node_ids: FfiStr, data: FfiStr, signatures: FfiStr)
typedef _VerifySignaturesC = Void Function(
Int64, Pointer<Utf8>, Pointer<Utf8>, Pointer<Utf8>);
typedef _VerifySignaturesDart = void Function(
int, Pointer<Utf8>, Pointer<Utf8>, Pointer<Utf8>);
// fn generate_signatures(port: i64, data: FfiStr, key_pairs: FfiStr)
typedef _GenerateSignaturesC = Void Function(
Int64, Pointer<Utf8>, Pointer<Utf8>);
typedef _GenerateSignaturesDart = void Function(
int, Pointer<Utf8>, Pointer<Utf8>);
// fn generate_key_pair(port: i64, kind: u32) {
typedef _GenerateKeyPairC = Void Function(Int64, Uint32);
typedef _GenerateKeyPairDart = void Function(int, int);
// fn crypto_cached_dh(port: i64, kind: u32, key: FfiStr, secret: FfiStr)
typedef _CryptoCachedDHC = Void Function(
Int64, Uint32, Pointer<Utf8>, Pointer<Utf8>);
typedef _CryptoCachedDHDart = void Function(
int, int, Pointer<Utf8>, Pointer<Utf8>);
// fn crypto_compute_dh(port: i64, kind: u32, key: FfiStr, secret: FfiStr)
typedef _CryptoComputeDHC = Void Function(
Int64, Uint32, Pointer<Utf8>, Pointer<Utf8>);
typedef _CryptoComputeDHDart = void Function(
int, int, Pointer<Utf8>, Pointer<Utf8>);
// fn crypto_random_bytes(port: i64, kind: u32, len: u32)
typedef _CryptoRandomBytesC = Void Function(Int64, Uint32, Uint32);
typedef _CryptoRandomBytesDart = void Function(int, int, int);
// fn crypto_default_salt_length(port: i64, kind: u32)
typedef _CryptoDefaultSaltLengthC = Void Function(Int64, Uint32);
typedef _CryptoDefaultSaltLengthDart = void Function(int, int);
// fn crypto_hash_password(port: i64, kind: u32, password: FfiStr, salt: FfiStr )
typedef _CryptoHashPasswordC = Void Function(
Int64, Uint32, Pointer<Utf8>, Pointer<Utf8>);
typedef _CryptoHashPasswordDart = void Function(
int, int, Pointer<Utf8>, Pointer<Utf8>);
// fn crypto_verify_password(port: i64, kind: u32, password: FfiStr, password_hash: FfiStr )
typedef _CryptoVerifyPasswordC = Void Function(
Int64, Uint32, Pointer<Utf8>, Pointer<Utf8>);
typedef _CryptoVerifyPasswordDart = void Function(
int, int, Pointer<Utf8>, Pointer<Utf8>);
// fn crypto_derive_shared_secret(port: i64, kind: u32, password: FfiStr, salt: FfiStr )
typedef _CryptoDeriveSharedSecretC = Void Function(
Int64, Uint32, Pointer<Utf8>, Pointer<Utf8>);
typedef _CryptoDeriveSharedSecretDart = void Function(
int, int, Pointer<Utf8>, Pointer<Utf8>);
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// fn crypto_random_nonce(port: i64, kind: u32)
typedef _CryptoRandomNonceC = Void Function(Int64, Uint32);
typedef _CryptoRandomNonceDart = void Function(int, int);
// fn crypto_random_shared_secret(port: i64, kind: u32)
typedef _CryptoRandomSharedSecretC = Void Function(Int64, Uint32);
typedef _CryptoRandomSharedSecretDart = void Function(int, int);
// fn crypto_generate_key_pair(port: i64, kind: u32)
typedef _CryptoGenerateKeyPairC = Void Function(Int64, Uint32);
typedef _CryptoGenerateKeyPairDart = void Function(int, int);
// fn crypto_generate_hash(port: i64, kind: u32, data: FfiStr)
typedef _CryptoGenerateHashC = Void Function(Int64, Uint32, Pointer<Utf8>);
typedef _CryptoGenerateHashDart = void Function(int, int, Pointer<Utf8>);
// fn crypto_validate_key_pair(port: i64, kind: u32, key: FfiStr, secret: FfiStr)
typedef _CryptoValidateKeyPairC = Void Function(
Int64, Uint32, Pointer<Utf8>, Pointer<Utf8>);
typedef _CryptoValidateKeyPairDart = void Function(
int, int, Pointer<Utf8>, Pointer<Utf8>);
// fn crypto_validate_hash(port: i64, kind: u32, data: FfiStr, hash: FfiStr)
typedef _CryptoValidateHashC = Void Function(
Int64, Uint32, Pointer<Utf8>, Pointer<Utf8>);
typedef _CryptoValidateHashDart = void Function(
int, int, Pointer<Utf8>, Pointer<Utf8>);
// fn crypto_distance(port: i64, kind: u32, key1: FfiStr, key2: FfiStr)
typedef _CryptoDistanceC = Void Function(
Int64, Uint32, Pointer<Utf8>, Pointer<Utf8>);
typedef _CryptoDistanceDart = void Function(
int, int, Pointer<Utf8>, Pointer<Utf8>);
// fn crypto_sign(port: i64, kind: u32, key: FfiStr, secret: FfiStr, data: FfiStr)
typedef _CryptoSignC = Void Function(
Int64, Uint32, Pointer<Utf8>, Pointer<Utf8>, Pointer<Utf8>);
typedef _CryptoSignDart = void Function(
int, int, Pointer<Utf8>, Pointer<Utf8>, Pointer<Utf8>);
// fn crypto_verify(port: i64, kind: u32, key: FfiStr, data: FfiStr, signature: FfiStr)
typedef _CryptoVerifyC = Void Function(
Int64, Uint32, Pointer<Utf8>, Pointer<Utf8>, Pointer<Utf8>);
typedef _CryptoVerifyDart = void Function(
int, int, Pointer<Utf8>, Pointer<Utf8>, Pointer<Utf8>);
// fn crypto_aead_overhead(port: i64, kind: u32)
typedef _CryptoAeadOverheadC = Void Function(Int64, Uint32);
typedef _CryptoAeadOverheadDart = void Function(int, int);
// fn crypto_decrypt_aead(port: i64, kind: u32, body: FfiStr, nonce: FfiStr, shared_secret: FfiStr, associated_data: FfiStr)
typedef _CryptoDecryptAeadC = Void Function(
Int64, Uint32, Pointer<Utf8>, Pointer<Utf8>, Pointer<Utf8>, Pointer<Utf8>);
typedef _CryptoDecryptAeadDart = void Function(
int, int, Pointer<Utf8>, Pointer<Utf8>, Pointer<Utf8>, Pointer<Utf8>);
// fn crypto_encrypt_aead(port: i64, kind: u32, body: FfiStr, nonce: FfiStr, shared_secret: FfiStr, associated_data: FfiStr)
typedef _CryptoEncryptAeadC = Void Function(
Int64, Uint32, Pointer<Utf8>, Pointer<Utf8>, Pointer<Utf8>, Pointer<Utf8>);
typedef _CryptoEncryptAeadDart = void Function(
int, int, Pointer<Utf8>, Pointer<Utf8>, Pointer<Utf8>, Pointer<Utf8>);
// fn crypto_crypt_no_auth(port: i64, kind: u32, body: FfiStr, nonce: FfiStr, shared_secret: FfiStr)
typedef _CryptoCryptNoAuthC = Void Function(
Int64, Uint32, Pointer<Utf8>, Pointer<Utf8>, Pointer<Utf8>);
typedef _CryptoCryptNoAuthDart = void Function(
int, int, Pointer<Utf8>, Pointer<Utf8>, Pointer<Utf8>);
// fn now() -> u64
typedef _NowC = Uint64 Function();
typedef _NowDart = int Function();
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// fn debug(port: i64, log_level: FfiStr)
typedef _DebugC = Void Function(Int64, Pointer<Utf8>);
typedef _DebugDart = void Function(int, Pointer<Utf8>);
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// fn shutdown_veilid_core(port: i64)
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typedef _ShutdownVeilidCoreC = Void Function(Int64);
typedef _ShutdownVeilidCoreDart = void Function(int);
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// fn veilid_version_string() -> *mut c_char
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typedef _VeilidVersionStringC = Pointer<Utf8> Function();
typedef _VeilidVersionStringDart = Pointer<Utf8> Function();
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// fn veilid_version() -> VeilidVersion
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final class VeilidVersionFFI extends Struct {
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@Uint32()
external int major;
@Uint32()
external int minor;
@Uint32()
external int patch;
}
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typedef _VeilidVersionC = VeilidVersionFFI Function();
typedef _VeilidVersionDart = VeilidVersionFFI Function();
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// Async message types
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const int messageOk = 0;
const int messageErr = 1;
const int messageOkJson = 2;
const int messageErrJson = 3;
const int messageStreamItem = 4;
const int messageStreamItemJson = 5;
const int messageStreamAbort = 6;
const int messageStreamAbortJson = 7;
const int messageStreamClose = 8;
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// Interface factory for high level Veilid API
Veilid getVeilid() => VeilidFFI(_dylib);
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// Parse handle async returns
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Future<T> processFuturePlain<T>(Future<dynamic> future) {
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return future.then((value) {
final list = value as List<dynamic>;
switch (list[0] as int) {
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case messageOk:
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{
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if (list[1] == null) {
throw VeilidAPIExceptionInternal("Null MESSAGE_OK value");
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}
return list[1] as T;
}
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case messageErr:
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{
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throw VeilidAPIExceptionInternal("Internal API Error: ${list[1]}");
}
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case messageErrJson:
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{
throw VeilidAPIException.fromJson(jsonDecode(list[1]));
}
default:
{
throw VeilidAPIExceptionInternal(
"Unexpected async return message type: ${list[0]}");
}
}
}).catchError((e) {
// Wrap all other errors in VeilidAPIExceptionInternal
throw VeilidAPIExceptionInternal(e.toString());
}, test: (e) {
// Pass errors that are already VeilidAPIException through without wrapping
return e is! VeilidAPIException;
});
}
Future<T> processFutureJson<T>(
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T Function(Map<String, dynamic>) jsonConstructor, Future<dynamic> future) {
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return future.then((value) {
final list = value as List<dynamic>;
switch (list[0] as int) {
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case messageErr:
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{
throw VeilidAPIExceptionInternal("Internal API Error: ${list[1]}");
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}
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case messageOkJson:
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{
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if (list[1] == null) {
throw VeilidAPIExceptionInternal("Null MESSAGE_OK_JSON value");
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}
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var ret = jsonDecode(list[1] as String);
return jsonConstructor(ret);
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}
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case messageErrJson:
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{
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throw VeilidAPIException.fromJson(jsonDecode(list[1]));
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}
default:
{
throw VeilidAPIExceptionInternal(
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"Unexpected async return message type: ${list[0]}");
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}
}
}).catchError((e) {
// Wrap all other errors in VeilidAPIExceptionInternal
throw VeilidAPIExceptionInternal(e.toString());
}, test: (e) {
// Pass errors that are already VeilidAPIException through without wrapping
return e is! VeilidAPIException;
});
}
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Future<T?> processFutureOptJson<T>(
T Function(dynamic) jsonConstructor, Future<dynamic> future) {
return future.then((value) {
final list = value as List<dynamic>;
switch (list[0] as int) {
case messageErr:
{
throw VeilidAPIExceptionInternal("Internal API Error: ${list[1]}");
}
case messageOkJson:
{
if (list[1] == null) {
return null;
}
var ret = jsonDecode(list[1] as String);
return jsonConstructor(ret);
}
case messageErrJson:
{
throw VeilidAPIException.fromJson(jsonDecode(list[1]));
}
default:
{
throw VeilidAPIExceptionInternal(
"Unexpected async return message type: ${list[0]}");
}
}
}).catchError((e) {
// Wrap all other errors in VeilidAPIExceptionInternal
throw VeilidAPIExceptionInternal(e.toString());
}, test: (e) {
// Pass errors that are already VeilidAPIException through without wrapping
return e is! VeilidAPIException;
});
}
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Future<void> processFutureVoid(Future<dynamic> future) {
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return future.then((value) {
final list = value as List<dynamic>;
switch (list[0] as int) {
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case messageOk:
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{
if (list[1] != null) {
throw VeilidAPIExceptionInternal(
"Unexpected MESSAGE_OK value '${list[1]}' where null expected");
}
return;
}
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case messageErr:
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{
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throw VeilidAPIExceptionInternal("Internal API Error: ${list[1]}");
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}
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case messageOkJson:
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{
var ret = jsonDecode(list[1] as String);
if (ret != null) {
throw VeilidAPIExceptionInternal(
"Unexpected MESSAGE_OK_JSON value '$ret' where null expected");
}
return;
}
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case messageErrJson:
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{
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throw VeilidAPIException.fromJson(jsonDecode(list[1] as String));
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}
default:
{
throw VeilidAPIExceptionInternal(
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"Unexpected async return message type: ${list[0]}");
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}
}
}).catchError((e) {
// Wrap all other errors in VeilidAPIExceptionInternal
throw VeilidAPIExceptionInternal(e.toString());
}, test: (e) {
// Pass errors that are already VeilidAPIException through without wrapping
return e is! VeilidAPIException;
});
}
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Future<Stream<T>> processFutureStream<T>(
Stream<T> returnStream, Future<dynamic> future) {
return future.then((value) {
final list = value as List<dynamic>;
switch (list[0] as int) {
case messageOk:
{
if (list[1] != null) {
throw VeilidAPIExceptionInternal(
"Unexpected MESSAGE_OK value '${list[1]}' where null expected");
}
return returnStream;
}
case messageErr:
{
throw VeilidAPIExceptionInternal("Internal API Error: ${list[1]}");
}
case messageOkJson:
{
var ret = jsonDecode(list[1] as String);
if (ret != null) {
throw VeilidAPIExceptionInternal(
"Unexpected MESSAGE_OK_JSON value '$ret' where null expected");
}
return returnStream;
}
case messageErrJson:
{
throw VeilidAPIException.fromJson(jsonDecode(list[1] as String));
}
default:
{
throw VeilidAPIExceptionInternal(
"Unexpected async return message type: ${list[0]}");
}
}
}).catchError((e) {
// Wrap all other errors in VeilidAPIExceptionInternal
throw VeilidAPIExceptionInternal(e.toString());
}, test: (e) {
// Pass errors that are already VeilidAPIException through without wrapping
return e is! VeilidAPIException;
});
}
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Stream<T> processStreamJson<T>(
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T Function(Map<String, dynamic>) jsonConstructor, ReceivePort port) async* {
try {
await for (var value in port) {
final list = value as List<dynamic>;
switch (list[0] as int) {
case messageStreamItemJson:
{
if (list[1] == null) {
throw VeilidAPIExceptionInternal(
"Null MESSAGE_STREAM_ITEM_JSON value");
}
var ret = jsonDecode(list[1] as String);
yield jsonConstructor(ret);
break;
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}
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case messageStreamAbort:
{
port.close();
throw VeilidAPIExceptionInternal("Internal API Error: ${list[1]}");
}
case messageStreamAbortJson:
{
port.close();
throw VeilidAPIException.fromJson(jsonDecode(list[1]));
}
case messageStreamClose:
{
port.close();
break;
}
default:
{
throw VeilidAPIExceptionInternal(
"Unexpected async return message type: ${list[0]}");
}
}
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}
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} catch (e, s) {
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// Wrap all other errors in VeilidAPIExceptionInternal
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throw VeilidAPIExceptionInternal(
"${e.toString()}\nStack Trace:\n${s.toString()}");
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}
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}
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class _Ctx {
final int id;
final VeilidFFI ffi;
_Ctx(this.id, this.ffi);
}
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// FFI implementation of VeilidRoutingContext
class VeilidRoutingContextFFI implements VeilidRoutingContext {
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final _Ctx _ctx;
static final Finalizer<_Ctx> _finalizer =
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Finalizer((ctx) => ctx.ffi._releaseRoutingContext(ctx.id));
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VeilidRoutingContextFFI._(this._ctx) {
_finalizer.attach(this, _ctx, detach: this);
}
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@override
VeilidRoutingContextFFI withPrivacy() {
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final newId = _ctx.ffi._routingContextWithPrivacy(_ctx.id);
return VeilidRoutingContextFFI._(_Ctx(newId, _ctx.ffi));
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}
@override
VeilidRoutingContextFFI withCustomPrivacy(SafetySelection safetySelection) {
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final newId = _ctx.ffi._routingContextWithCustomPrivacy(
_ctx.id, jsonEncode(safetySelection).toNativeUtf8());
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return VeilidRoutingContextFFI._(_Ctx(newId, _ctx.ffi));
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}
@override
VeilidRoutingContextFFI withSequencing(Sequencing sequencing) {
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final newId = _ctx.ffi._routingContextWithSequencing(
_ctx.id, jsonEncode(sequencing).toNativeUtf8());
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return VeilidRoutingContextFFI._(_Ctx(newId, _ctx.ffi));
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}
@override
Future<Uint8List> appCall(String target, Uint8List request) async {
var nativeEncodedTarget = target.toNativeUtf8();
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var nativeEncodedRequest = base64UrlNoPadEncode(request).toNativeUtf8();
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final recvPort = ReceivePort("routing_context_app_call");
final sendPort = recvPort.sendPort;
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_ctx.ffi._routingContextAppCall(sendPort.nativePort, _ctx.id,
nativeEncodedTarget, nativeEncodedRequest);
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final out = await processFuturePlain(recvPort.first);
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return base64UrlNoPadDecode(out);
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}
@override
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Future<void> appMessage(String target, Uint8List message) {
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final nativeEncodedTarget = target.toNativeUtf8();
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final nativeEncodedMessage = base64UrlNoPadEncode(message).toNativeUtf8();
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final recvPort = ReceivePort("routing_context_app_message");
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final sendPort = recvPort.sendPort;
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_ctx.ffi._routingContextAppMessage(sendPort.nativePort, _ctx.id,
nativeEncodedTarget, nativeEncodedMessage);
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return processFutureVoid(recvPort.first);
}
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@override
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Future<DHTRecordDescriptor> createDHTRecord(DHTSchema schema,
{CryptoKind kind = 0}) async {
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final nativeSchema = jsonEncode(schema).toNativeUtf8();
final recvPort = ReceivePort("routing_context_create_dht_record");
final sendPort = recvPort.sendPort;
_ctx.ffi._routingContextCreateDHTRecord(
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sendPort.nativePort, _ctx.id, nativeSchema, kind);
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final dhtRecordDescriptor =
await processFutureJson(DHTRecordDescriptor.fromJson, recvPort.first);
return dhtRecordDescriptor;
}
@override
Future<DHTRecordDescriptor> openDHTRecord(
TypedKey key, KeyPair? writer) async {
final nativeKey = jsonEncode(key).toNativeUtf8();
final nativeWriter =
writer != null ? jsonEncode(key).toNativeUtf8() : nullptr;
final recvPort = ReceivePort("routing_context_open_dht_record");
final sendPort = recvPort.sendPort;
_ctx.ffi._routingContextOpenDHTRecord(
sendPort.nativePort, _ctx.id, nativeKey, nativeWriter);
final dhtRecordDescriptor =
await processFutureJson(DHTRecordDescriptor.fromJson, recvPort.first);
return dhtRecordDescriptor;
}
@override
Future<void> closeDHTRecord(TypedKey key) {
final nativeKey = jsonEncode(key).toNativeUtf8();
final recvPort = ReceivePort("routing_context_close_dht_record");
final sendPort = recvPort.sendPort;
_ctx.ffi
._routingContextCloseDHTRecord(sendPort.nativePort, _ctx.id, nativeKey);
return processFutureVoid(recvPort.first);
}
@override
Future<void> deleteDHTRecord(TypedKey key) {
final nativeKey = jsonEncode(key).toNativeUtf8();
final recvPort = ReceivePort("routing_context_delete_dht_record");
final sendPort = recvPort.sendPort;
_ctx.ffi._routingContextDeleteDHTRecord(
sendPort.nativePort, _ctx.id, nativeKey);
return processFutureVoid(recvPort.first);
}
@override
Future<ValueData?> getDHTValue(
TypedKey key, int subkey, bool forceRefresh) async {
final nativeKey = jsonEncode(key).toNativeUtf8();
final recvPort = ReceivePort("routing_context_get_dht_value");
final sendPort = recvPort.sendPort;
_ctx.ffi._routingContextGetDHTValue(
sendPort.nativePort, _ctx.id, nativeKey, subkey, forceRefresh);
final valueData = await processFutureJson(
optFromJson(ValueData.fromJson), recvPort.first);
return valueData;
}
@override
Future<ValueData?> setDHTValue(
TypedKey key, int subkey, Uint8List data) async {
final nativeKey = jsonEncode(key).toNativeUtf8();
final nativeData = base64UrlNoPadEncode(data).toNativeUtf8();
final recvPort = ReceivePort("routing_context_set_dht_value");
final sendPort = recvPort.sendPort;
_ctx.ffi._routingContextSetDHTValue(
sendPort.nativePort, _ctx.id, nativeKey, subkey, nativeData);
final valueData = await processFutureJson(
optFromJson(ValueData.fromJson), recvPort.first);
return valueData;
}
@override
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Future<Timestamp> watchDHTValues(TypedKey key, List<ValueSubkeyRange> subkeys,
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Timestamp expiration, int count) async {
final nativeKey = jsonEncode(key).toNativeUtf8();
final nativeSubkeys = jsonEncode(subkeys).toNativeUtf8();
final nativeExpiration = expiration.value.toInt();
final recvPort = ReceivePort("routing_context_watch_dht_values");
final sendPort = recvPort.sendPort;
_ctx.ffi._routingContextWatchDHTValues(sendPort.nativePort, _ctx.id,
nativeKey, nativeSubkeys, nativeExpiration, count);
final actualExpiration = Timestamp(
value: BigInt.from(await processFuturePlain<int>(recvPort.first)));
return actualExpiration;
}
@override
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Future<bool> cancelDHTWatch(
TypedKey key, List<ValueSubkeyRange> subkeys) async {
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final nativeKey = jsonEncode(key).toNativeUtf8();
final nativeSubkeys = jsonEncode(subkeys).toNativeUtf8();
final recvPort = ReceivePort("routing_context_cancel_dht_watch");
final sendPort = recvPort.sendPort;
_ctx.ffi._routingContextCancelDHTWatch(
sendPort.nativePort, _ctx.id, nativeKey, nativeSubkeys);
final cancelled = await processFuturePlain<bool>(recvPort.first);
return cancelled;
}
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}
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class _TDBT {
final int id;
VeilidTableDBFFI tdbffi;
VeilidFFI ffi;
_TDBT(this.id, this.tdbffi, this.ffi);
}
// FFI implementation of VeilidTableDBTransaction
class VeilidTableDBTransactionFFI extends VeilidTableDBTransaction {
final _TDBT _tdbt;
static final Finalizer<_TDBT> _finalizer =
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Finalizer((tdbt) => tdbt.ffi._releaseTableDbTransaction(tdbt.id));
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VeilidTableDBTransactionFFI._(this._tdbt) {
_finalizer.attach(this, _tdbt, detach: this);
}
@override
Future<void> commit() {
final recvPort = ReceivePort("veilid_table_db_transaction_commit");
final sendPort = recvPort.sendPort;
_tdbt.ffi._tableDbTransactionCommit(
sendPort.nativePort,
_tdbt.id,
);
return processFutureVoid(recvPort.first);
}
@override
Future<void> rollback() {
final recvPort = ReceivePort("veilid_table_db_transaction_rollback");
final sendPort = recvPort.sendPort;
_tdbt.ffi._tableDbTransactionRollback(
sendPort.nativePort,
_tdbt.id,
);
return processFutureVoid(recvPort.first);
}
@override
Future<void> store(int col, Uint8List key, Uint8List value) {
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final nativeEncodedKey = base64UrlNoPadEncode(key).toNativeUtf8();
final nativeEncodedValue = base64UrlNoPadEncode(value).toNativeUtf8();
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final recvPort = ReceivePort("veilid_table_db_transaction_store");
final sendPort = recvPort.sendPort;
_tdbt.ffi._tableDbTransactionStore(
sendPort.nativePort,
_tdbt.id,
col,
nativeEncodedKey,
nativeEncodedValue,
);
return processFutureVoid(recvPort.first);
}
@override
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Future<void> delete(int col, Uint8List key) {
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final nativeEncodedKey = base64UrlNoPadEncode(key).toNativeUtf8();
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final recvPort = ReceivePort("veilid_table_db_transaction_delete");
final sendPort = recvPort.sendPort;
_tdbt.ffi._tableDbTransactionDelete(
sendPort.nativePort,
_tdbt.id,
col,
nativeEncodedKey,
);
return processFuturePlain(recvPort.first);
}
}
class _TDB {
final int id;
VeilidFFI ffi;
_TDB(this.id, this.ffi);
}
// FFI implementation of VeilidTableDB
class VeilidTableDBFFI extends VeilidTableDB {
final _TDB _tdb;
static final Finalizer<_TDB> _finalizer =
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Finalizer((tdb) => tdb.ffi._releaseTableDb(tdb.id));
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VeilidTableDBFFI._(this._tdb) {
_finalizer.attach(this, _tdb, detach: this);
}
@override
int getColumnCount() {
return _tdb.ffi._tableDbGetColumnCount(_tdb.id);
}
@override
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Future<List<Uint8List>> getKeys(int col) {
final recvPort = ReceivePort("veilid_table_db_get_keys");
final sendPort = recvPort.sendPort;
_tdb.ffi._tableDbGetKeys(sendPort.nativePort, _tdb.id, col);
return processFutureJson(
jsonListConstructor<Uint8List>(base64UrlNoPadDecodeDynamic),
recvPort.first);
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}
@override
VeilidTableDBTransaction transact() {
final id = _tdb.ffi._tableDbTransact(_tdb.id);
return VeilidTableDBTransactionFFI._(_TDBT(id, this, _tdb.ffi));
}
@override
Future<void> store(int col, Uint8List key, Uint8List value) {
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final nativeEncodedKey = base64UrlNoPadEncode(key).toNativeUtf8();
final nativeEncodedValue = base64UrlNoPadEncode(value).toNativeUtf8();
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final recvPort = ReceivePort("veilid_table_db_store");
final sendPort = recvPort.sendPort;
_tdb.ffi._tableDbStore(
sendPort.nativePort,
_tdb.id,
col,
nativeEncodedKey,
nativeEncodedValue,
);
return processFutureVoid(recvPort.first);
}
@override
Future<Uint8List?> load(int col, Uint8List key) async {
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final nativeEncodedKey = base64UrlNoPadEncode(key).toNativeUtf8();
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final recvPort = ReceivePort("veilid_table_db_load");
final sendPort = recvPort.sendPort;
_tdb.ffi._tableDbLoad(
sendPort.nativePort,
_tdb.id,
col,
nativeEncodedKey,
);
String? out = await processFuturePlain(recvPort.first);
if (out == null) {
return null;
}
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return base64UrlNoPadDecode(out);
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}
@override
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Future<Uint8List?> delete(int col, Uint8List key) async {
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final nativeEncodedKey = base64UrlNoPadEncode(key).toNativeUtf8();
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final recvPort = ReceivePort("veilid_table_db_delete");
final sendPort = recvPort.sendPort;
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_tdb.ffi._tableDbDelete(
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sendPort.nativePort,
_tdb.id,
col,
nativeEncodedKey,
);
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String? out = await processFuturePlain(recvPort.first);
if (out == null) {
return null;
}
return base64UrlNoPadDecode(out);
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}
}
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// FFI implementation of VeilidCryptoSystem
class VeilidCryptoSystemFFI implements VeilidCryptoSystem {
final CryptoKind _kind;
final VeilidFFI _ffi;
VeilidCryptoSystemFFI._(this._ffi, this._kind);
@override
CryptoKind kind() {
return _kind;
}
@override
Future<SharedSecret> cachedDH(PublicKey key, SecretKey secret) {
final nativeKey = jsonEncode(key).toNativeUtf8();
final nativeSecret = jsonEncode(secret).toNativeUtf8();
final recvPort = ReceivePort("crypto_cached_dh");
final sendPort = recvPort.sendPort;
_ffi._cryptoCachedDH(sendPort.nativePort, _kind, nativeKey, nativeSecret);
return processFutureJson(SharedSecret.fromJson, recvPort.first);
}
@override
Future<SharedSecret> computeDH(PublicKey key, SecretKey secret) {
final nativeKey = jsonEncode(key).toNativeUtf8();
final nativeSecret = jsonEncode(secret).toNativeUtf8();
final recvPort = ReceivePort("crypto_compute_dh");
final sendPort = recvPort.sendPort;
_ffi._cryptoComputeDH(sendPort.nativePort, _kind, nativeKey, nativeSecret);
return processFutureJson(SharedSecret.fromJson, recvPort.first);
}
@override
Future<Uint8List> randomBytes(int len) async {
final recvPort = ReceivePort("crypto_random_bytes");
final sendPort = recvPort.sendPort;
_ffi._cryptoRandomBytes(sendPort.nativePort, _kind, len);
final out = await processFuturePlain(recvPort.first);
return base64UrlNoPadDecode(out);
}
@override
Future<int> defaultSaltLength() {
final recvPort = ReceivePort("crypto_default_salt_length");
final sendPort = recvPort.sendPort;
_ffi._cryptoDefaultSaltLength(sendPort.nativePort, _kind);
return processFuturePlain(recvPort.first);
}
@override
Future<String> hashPassword(Uint8List password, Uint8List salt) {
final nativeEncodedPassword = base64UrlNoPadEncode(password).toNativeUtf8();
final nativeEncodedSalt = base64UrlNoPadEncode(salt).toNativeUtf8();
final recvPort = ReceivePort("crypto_hash_password");
final sendPort = recvPort.sendPort;
_ffi._cryptoHashPassword(
sendPort.nativePort, _kind, nativeEncodedPassword, nativeEncodedSalt);
return processFuturePlain(recvPort.first);
}
@override
Future<bool> verifyPassword(Uint8List password, String passwordHash) {
final nativeEncodedPassword = base64UrlNoPadEncode(password).toNativeUtf8();
final nativeEncodedPasswordHash = passwordHash.toNativeUtf8();
final recvPort = ReceivePort("crypto_verify_password");
final sendPort = recvPort.sendPort;
_ffi._cryptoVerifyPassword(sendPort.nativePort, _kind,
nativeEncodedPassword, nativeEncodedPasswordHash);
return processFuturePlain(recvPort.first);
}
@override
Future<SharedSecret> deriveSharedSecret(Uint8List password, Uint8List salt) {
final nativeEncodedPassword = base64UrlNoPadEncode(password).toNativeUtf8();
final nativeEncodedSalt = base64UrlNoPadEncode(salt).toNativeUtf8();
final recvPort = ReceivePort("crypto_derive_shared_secret");
final sendPort = recvPort.sendPort;
_ffi._cryptoDeriveSharedSecret(
sendPort.nativePort, _kind, nativeEncodedPassword, nativeEncodedSalt);
return processFutureJson(SharedSecret.fromJson, recvPort.first);
}
@override
Future<Nonce> randomNonce() {
final recvPort = ReceivePort("crypto_random_nonce");
final sendPort = recvPort.sendPort;
_ffi._cryptoRandomNonce(sendPort.nativePort, _kind);
return processFutureJson(Nonce.fromJson, recvPort.first);
}
@override
Future<SharedSecret> randomSharedSecret() {
final recvPort = ReceivePort("crypto_random_shared_secret");
final sendPort = recvPort.sendPort;
_ffi._cryptoRandomSharedSecret(sendPort.nativePort, _kind);
return processFutureJson(SharedSecret.fromJson, recvPort.first);
}
@override
Future<KeyPair> generateKeyPair() {
final recvPort = ReceivePort("crypto_generate_key_pair");
final sendPort = recvPort.sendPort;
_ffi._cryptoGenerateKeyPair(sendPort.nativePort, _kind);
return processFutureJson(KeyPair.fromJson, recvPort.first);
}
@override
Future<HashDigest> generateHash(Uint8List data) {
final nativeEncodedData = base64UrlNoPadEncode(data).toNativeUtf8();
final recvPort = ReceivePort("crypto_generate_hash");
final sendPort = recvPort.sendPort;
_ffi._cryptoGenerateHash(sendPort.nativePort, _kind, nativeEncodedData);
return processFutureJson(HashDigest.fromJson, recvPort.first);
}
@override
Future<bool> validateKeyPair(PublicKey key, SecretKey secret) {
final nativeKey = jsonEncode(key).toNativeUtf8();
final nativeSecret = jsonEncode(secret).toNativeUtf8();
final recvPort = ReceivePort("crypto_validate_key_pair");
final sendPort = recvPort.sendPort;
_ffi._cryptoValidateKeyPair(
sendPort.nativePort, _kind, nativeKey, nativeSecret);
return processFuturePlain(recvPort.first);
}
@override
Future<bool> validateHash(Uint8List data, HashDigest hash) {
final nativeEncodedData = base64UrlNoPadEncode(data).toNativeUtf8();
final nativeHash = jsonEncode(hash).toNativeUtf8();
final recvPort = ReceivePort("crypto_validate_hash");
final sendPort = recvPort.sendPort;
_ffi._cryptoValidateHash(
sendPort.nativePort, _kind, nativeEncodedData, nativeHash);
return processFuturePlain(recvPort.first);
}
@override
Future<CryptoKeyDistance> distance(CryptoKey key1, CryptoKey key2) {
final nativeKey1 = jsonEncode(key1).toNativeUtf8();
final nativeKey2 = jsonEncode(key2).toNativeUtf8();
final recvPort = ReceivePort("crypto_distance");
final sendPort = recvPort.sendPort;
_ffi._cryptoDistance(sendPort.nativePort, _kind, nativeKey1, nativeKey2);
return processFutureJson(CryptoKeyDistance.fromJson, recvPort.first);
}
@override
Future<Signature> sign(PublicKey key, SecretKey secret, Uint8List data) {
final nativeKey = jsonEncode(key).toNativeUtf8();
final nativeSecret = jsonEncode(secret).toNativeUtf8();
final nativeEncodedData = base64UrlNoPadEncode(data).toNativeUtf8();
final recvPort = ReceivePort("crypto_sign");
final sendPort = recvPort.sendPort;
_ffi._cryptoSign(
sendPort.nativePort, _kind, nativeKey, nativeSecret, nativeEncodedData);
return processFutureJson(Signature.fromJson, recvPort.first);
}
@override
Future<void> verify(PublicKey key, Uint8List data, Signature signature) {
final nativeKey = jsonEncode(key).toNativeUtf8();
final nativeEncodedData = base64UrlNoPadEncode(data).toNativeUtf8();
final nativeSignature = jsonEncode(signature).toNativeUtf8();
final recvPort = ReceivePort("crypto_verify");
final sendPort = recvPort.sendPort;
_ffi._cryptoVerify(sendPort.nativePort, _kind, nativeKey, nativeEncodedData,
nativeSignature);
return processFutureVoid(recvPort.first);
}
@override
Future<int> aeadOverhead() {
final recvPort = ReceivePort("crypto_aead_overhead");
final sendPort = recvPort.sendPort;
_ffi._cryptoAeadOverhead(
sendPort.nativePort,
_kind,
);
return processFuturePlain(recvPort.first);
}
@override
Future<Uint8List> decryptAead(Uint8List body, Nonce nonce,
SharedSecret sharedSecret, Uint8List? associatedData) async {
final nativeEncodedBody = base64UrlNoPadEncode(body).toNativeUtf8();
final nativeNonce = jsonEncode(nonce).toNativeUtf8();
final nativeSharedSecret = jsonEncode(sharedSecret).toNativeUtf8();
final nativeSignature = (associatedData != null)
? jsonEncode(associatedData).toNativeUtf8()
: nullptr;
final recvPort = ReceivePort("crypto_decrypt_aead");
final sendPort = recvPort.sendPort;
_ffi._cryptoDecryptAead(sendPort.nativePort, _kind, nativeEncodedBody,
nativeNonce, nativeSharedSecret, nativeSignature);
final out = await processFuturePlain(recvPort.first);
return base64UrlNoPadDecode(out);
}
@override
Future<Uint8List> encryptAead(Uint8List body, Nonce nonce,
SharedSecret sharedSecret, Uint8List? associatedData) async {
final nativeEncodedBody = base64UrlNoPadEncode(body).toNativeUtf8();
final nativeNonce = jsonEncode(nonce).toNativeUtf8();
final nativeSharedSecret = jsonEncode(sharedSecret).toNativeUtf8();
final nativeSignature = (associatedData != null)
? jsonEncode(associatedData).toNativeUtf8()
: nullptr;
final recvPort = ReceivePort("crypto_encrypt_aead");
final sendPort = recvPort.sendPort;
_ffi._cryptoEncryptAead(sendPort.nativePort, _kind, nativeEncodedBody,
nativeNonce, nativeSharedSecret, nativeSignature);
final out = await processFuturePlain(recvPort.first);
return base64UrlNoPadDecode(out);
}
@override
Future<Uint8List> cryptNoAuth(
Uint8List body, Nonce nonce, SharedSecret sharedSecret) async {
final nativeEncodedBody = base64UrlNoPadEncode(body).toNativeUtf8();
final nativeNonce = jsonEncode(nonce).toNativeUtf8();
final nativeSharedSecret = jsonEncode(sharedSecret).toNativeUtf8();
final recvPort = ReceivePort("crypto_crypt_no_auth");
final sendPort = recvPort.sendPort;
_ffi._cryptoCryptNoAuth(sendPort.nativePort, _kind, nativeEncodedBody,
nativeNonce, nativeSharedSecret);
final out = await processFuturePlain(recvPort.first);
return base64UrlNoPadDecode(out);
}
}
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// FFI implementation of high level Veilid API
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class VeilidFFI implements Veilid {
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// veilid_core shared library
final DynamicLibrary _dylib;
// Shared library functions
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final _FreeStringDart _freeString;
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final _InitializeVeilidCoreDart _initializeVeilidCore;
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final _ChangeLogLevelDart _changeLogLevel;
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final _StartupVeilidCoreDart _startupVeilidCore;
final _GetVeilidStateDart _getVeilidState;
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final _AttachDart _attach;
final _DetachDart _detach;
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final _ShutdownVeilidCoreDart _shutdownVeilidCore;
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final _RoutingContextDart _routingContext;
final _ReleaseRoutingContextDart _releaseRoutingContext;
final _RoutingContextWithPrivacyDart _routingContextWithPrivacy;
final _RoutingContextWithCustomPrivacyDart _routingContextWithCustomPrivacy;
final _RoutingContextWithSequencingDart _routingContextWithSequencing;
final _RoutingContextAppCallDart _routingContextAppCall;
final _RoutingContextAppMessageDart _routingContextAppMessage;
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final _RoutingContextCreateDHTRecordDart _routingContextCreateDHTRecord;
final _RoutingContextOpenDHTRecordDart _routingContextOpenDHTRecord;
final _RoutingContextCloseDHTRecordDart _routingContextCloseDHTRecord;
final _RoutingContextDeleteDHTRecordDart _routingContextDeleteDHTRecord;
final _RoutingContextGetDHTValueDart _routingContextGetDHTValue;
final _RoutingContextSetDHTValueDart _routingContextSetDHTValue;
final _RoutingContextWatchDHTValuesDart _routingContextWatchDHTValues;
final _RoutingContextCancelDHTWatchDart _routingContextCancelDHTWatch;
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final _NewPrivateRouteDart _newPrivateRoute;
final _NewCustomPrivateRouteDart _newCustomPrivateRoute;
final _ImportRemotePrivateRouteDart _importRemotePrivateRoute;
final _ReleasePrivateRouteDart _releasePrivateRoute;
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final _AppCallReplyDart _appCallReply;
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final _OpenTableDbDart _openTableDb;
final _ReleaseTableDbDart _releaseTableDb;
final _DeleteTableDbDart _deleteTableDb;
final _TableDbGetColumnCountDart _tableDbGetColumnCount;
final _TableDbGetKeysDart _tableDbGetKeys;
final _TableDbStoreDart _tableDbStore;
final _TableDbLoadDart _tableDbLoad;
final _TableDbDeleteDart _tableDbDelete;
final _TableDbTransactDart _tableDbTransact;
final _ReleaseTableDbTransactionDart _releaseTableDbTransaction;
final _TableDbTransactionCommitDart _tableDbTransactionCommit;
final _TableDbTransactionRollbackDart _tableDbTransactionRollback;
final _TableDbTransactionStoreDart _tableDbTransactionStore;
final _TableDbTransactionDeleteDart _tableDbTransactionDelete;
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final _ValidCryptoKindsDart _validCryptoKinds;
final _BestCryptoKindDart _bestCryptoKind;
final _VerifySignaturesDart _verifySignatures;
final _GenerateSignaturesDart _generateSignatures;
final _GenerateKeyPairDart _generateKeyPair;
final _CryptoCachedDHDart _cryptoCachedDH;
final _CryptoComputeDHDart _cryptoComputeDH;
final _CryptoRandomBytesDart _cryptoRandomBytes;
final _CryptoDefaultSaltLengthDart _cryptoDefaultSaltLength;
final _CryptoHashPasswordDart _cryptoHashPassword;
final _CryptoVerifyPasswordDart _cryptoVerifyPassword;
final _CryptoDeriveSharedSecretDart _cryptoDeriveSharedSecret;
final _CryptoRandomNonceDart _cryptoRandomNonce;
final _CryptoRandomSharedSecretDart _cryptoRandomSharedSecret;
final _CryptoGenerateKeyPairDart _cryptoGenerateKeyPair;
final _CryptoGenerateHashDart _cryptoGenerateHash;
final _CryptoValidateKeyPairDart _cryptoValidateKeyPair;
final _CryptoValidateHashDart _cryptoValidateHash;
final _CryptoDistanceDart _cryptoDistance;
final _CryptoSignDart _cryptoSign;
final _CryptoVerifyDart _cryptoVerify;
final _CryptoAeadOverheadDart _cryptoAeadOverhead;
final _CryptoDecryptAeadDart _cryptoDecryptAead;
final _CryptoEncryptAeadDart _cryptoEncryptAead;
final _CryptoCryptNoAuthDart _cryptoCryptNoAuth;
final _NowDart _now;
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final _DebugDart _debug;
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final _VeilidVersionStringDart _veilidVersionString;
final _VeilidVersionDart _veilidVersion;
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VeilidFFI(DynamicLibrary dylib)
: _dylib = dylib,
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_freeString =
dylib.lookupFunction<_FreeStringC, _FreeStringDart>('free_string'),
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_initializeVeilidCore = dylib.lookupFunction<_InitializeVeilidCoreC,
_InitializeVeilidCoreDart>('initialize_veilid_core'),
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_changeLogLevel =
dylib.lookupFunction<_ChangeLogLevelC, _ChangeLogLevelDart>(
'change_log_level'),
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_startupVeilidCore =
dylib.lookupFunction<_StartupVeilidCoreC, _StartupVeilidCoreDart>(
'startup_veilid_core'),
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_getVeilidState =
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dylib.lookupFunction<_GetVeilidStateC, _GetVeilidStateDart>(
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'get_veilid_state'),
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_attach = dylib.lookupFunction<_AttachC, _AttachDart>('attach'),
_detach = dylib.lookupFunction<_DetachC, _DetachDart>('detach'),
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_shutdownVeilidCore =
dylib.lookupFunction<_ShutdownVeilidCoreC, _ShutdownVeilidCoreDart>(
'shutdown_veilid_core'),
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_routingContext =
dylib.lookupFunction<_RoutingContextC, _RoutingContextDart>(
'routing_context'),
_releaseRoutingContext = dylib.lookupFunction<_ReleaseRoutingContextC,
_ReleaseRoutingContextDart>('release_routing_context'),
_routingContextWithPrivacy = dylib.lookupFunction<
_RoutingContextWithPrivacyC,
_RoutingContextWithPrivacyDart>('routing_context_with_privacy'),
_routingContextWithCustomPrivacy = dylib.lookupFunction<
_RoutingContextWithCustomPrivacyC,
_RoutingContextWithCustomPrivacyDart>(
'routing_context_with_custom_privacy'),
_routingContextWithSequencing = dylib.lookupFunction<
_RoutingContextWithSequencingC,
_RoutingContextWithSequencingDart>(
'routing_context_with_sequencing'),
_routingContextAppCall = dylib.lookupFunction<_RoutingContextAppCallC,
_RoutingContextAppCallDart>('routing_context_app_call'),
_routingContextAppMessage = dylib.lookupFunction<
_RoutingContextAppMessageC,
_RoutingContextAppMessageDart>('routing_context_app_message'),
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_routingContextCreateDHTRecord = dylib.lookupFunction<
_RoutingContextCreateDHTRecordC,
_RoutingContextCreateDHTRecordDart>(
'routing_context_create_dht_record'),
_routingContextOpenDHTRecord = dylib.lookupFunction<
_RoutingContextOpenDHTRecordC,
_RoutingContextOpenDHTRecordDart>(
'routing_context_open_dht_record'),
_routingContextCloseDHTRecord = dylib.lookupFunction<
_RoutingContextCloseDHTRecordC,
_RoutingContextCloseDHTRecordDart>(
'routing_context_close_dht_record'),
_routingContextDeleteDHTRecord = dylib.lookupFunction<
_RoutingContextDeleteDHTRecordC,
_RoutingContextDeleteDHTRecordDart>(
'routing_context_delete_dht_record'),
_routingContextGetDHTValue = dylib.lookupFunction<
_RoutingContextGetDHTValueC,
_RoutingContextGetDHTValueDart>('routing_context_get_dht_value'),
_routingContextSetDHTValue = dylib.lookupFunction<
_RoutingContextSetDHTValueC,
_RoutingContextSetDHTValueDart>('routing_context_set_dht_value'),
_routingContextWatchDHTValues = dylib.lookupFunction<
_RoutingContextWatchDHTValuesC,
_RoutingContextWatchDHTValuesDart>(
'routing_context_watch_dht_values'),
_routingContextCancelDHTWatch = dylib.lookupFunction<
_RoutingContextCancelDHTWatchC,
_RoutingContextCancelDHTWatchDart>(
'routing_context_cancel_dht_watch'),
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_newPrivateRoute =
dylib.lookupFunction<_NewPrivateRouteC, _NewPrivateRouteDart>(
'new_private_route'),
_newCustomPrivateRoute = dylib.lookupFunction<_NewCustomPrivateRouteC,
_NewCustomPrivateRouteDart>('new_custom_private_route'),
_importRemotePrivateRoute = dylib.lookupFunction<
_ImportRemotePrivateRouteC,
_ImportRemotePrivateRouteDart>('import_remote_private_route'),
_releasePrivateRoute = dylib.lookupFunction<_ReleasePrivateRouteC,
_ReleasePrivateRouteDart>('release_private_route'),
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_appCallReply = dylib.lookupFunction<_AppCallReplyC, _AppCallReplyDart>(
'app_call_reply'),
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_openTableDb = dylib
.lookupFunction<_OpenTableDbC, _OpenTableDbDart>('open_table_db'),
_releaseTableDb =
dylib.lookupFunction<_ReleaseTableDbC, _ReleaseTableDbDart>(
'release_table_db'),
_deleteTableDb =
dylib.lookupFunction<_DeleteTableDbC, _DeleteTableDbDart>(
'delete_table_db'),
_tableDbGetColumnCount = dylib.lookupFunction<_TableDbGetColumnCountC,
_TableDbGetColumnCountDart>('table_db_get_column_count'),
_tableDbGetKeys =
dylib.lookupFunction<_TableDbGetKeysC, _TableDbGetKeysDart>(
'table_db_get_keys'),
_tableDbStore = dylib.lookupFunction<_TableDbStoreC, _TableDbStoreDart>(
'table_db_store'),
_tableDbLoad = dylib
.lookupFunction<_TableDbLoadC, _TableDbLoadDart>('table_db_load'),
_tableDbDelete =
dylib.lookupFunction<_TableDbDeleteC, _TableDbDeleteDart>(
'table_db_delete'),
_tableDbTransact =
dylib.lookupFunction<_TableDbTransactC, _TableDbTransactDart>(
'table_db_transact'),
_releaseTableDbTransaction = dylib.lookupFunction<
_ReleaseTableDbTransactionC,
_ReleaseTableDbTransactionDart>('release_table_db_transaction'),
_tableDbTransactionCommit = dylib.lookupFunction<
_TableDbTransactionCommitC,
_TableDbTransactionCommitDart>('table_db_transaction_commit'),
_tableDbTransactionRollback = dylib.lookupFunction<
_TableDbTransactionRollbackC,
_TableDbTransactionRollbackDart>('table_db_transaction_rollback'),
_tableDbTransactionStore = dylib.lookupFunction<
_TableDbTransactionStoreC,
_TableDbTransactionStoreDart>('table_db_transaction_store'),
_tableDbTransactionDelete = dylib.lookupFunction<
_TableDbTransactionDeleteC,
_TableDbTransactionDeleteDart>('table_db_transaction_delete'),
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_validCryptoKinds =
dylib.lookupFunction<_ValidCryptoKindsC, _ValidCryptoKindsDart>(
'valid_crypto_kinds'),
_bestCryptoKind =
dylib.lookupFunction<_BestCryptoKindC, _BestCryptoKindDart>(
'best_crypto_kind'),
_verifySignatures =
dylib.lookupFunction<_VerifySignaturesC, _VerifySignaturesDart>(
'verify_signatures'),
_generateSignatures =
dylib.lookupFunction<_GenerateSignaturesC, _GenerateSignaturesDart>(
'generate_signatures'),
_generateKeyPair =
dylib.lookupFunction<_GenerateKeyPairC, _GenerateKeyPairDart>(
'generate_key_pair'),
_cryptoCachedDH =
dylib.lookupFunction<_CryptoCachedDHC, _CryptoCachedDHDart>(
'crypto_cached_dh'),
_cryptoComputeDH =
dylib.lookupFunction<_CryptoComputeDHC, _CryptoComputeDHDart>(
'crypto_compute_dh'),
_cryptoRandomBytes =
dylib.lookupFunction<_CryptoRandomBytesC, _CryptoRandomBytesDart>(
'crypto_random_bytes'),
_cryptoDefaultSaltLength = dylib.lookupFunction<
_CryptoDefaultSaltLengthC,
_CryptoDefaultSaltLengthDart>('crypto_default_salt_length'),
_cryptoHashPassword =
dylib.lookupFunction<_CryptoHashPasswordC, _CryptoHashPasswordDart>(
'crypto_hash_password'),
_cryptoVerifyPassword = dylib.lookupFunction<_CryptoVerifyPasswordC,
_CryptoVerifyPasswordDart>('crypto_verify_password'),
_cryptoDeriveSharedSecret = dylib.lookupFunction<
_CryptoDeriveSharedSecretC,
_CryptoVerifyPasswordDart>('crypto_derive_shared_secret'),
_cryptoRandomNonce =
dylib.lookupFunction<_CryptoRandomNonceC, _CryptoRandomNonceDart>(
'crypto_random_nonce'),
_cryptoRandomSharedSecret = dylib.lookupFunction<
_CryptoRandomSharedSecretC,
_CryptoRandomSharedSecretDart>('crypto_random_shared_secret'),
_cryptoGenerateKeyPair = dylib.lookupFunction<_CryptoGenerateKeyPairC,
_CryptoGenerateKeyPairDart>('crypto_generate_key_pair'),
_cryptoGenerateHash =
dylib.lookupFunction<_CryptoGenerateHashC, _CryptoGenerateHashDart>(
'crypto_generate_hash'),
_cryptoValidateKeyPair = dylib.lookupFunction<_CryptoValidateKeyPairC,
_CryptoValidateKeyPairDart>('crypto_validate_key_pair'),
_cryptoValidateHash =
dylib.lookupFunction<_CryptoValidateHashC, _CryptoValidateHashDart>(
'crypto_validate_hash'),
_cryptoDistance =
dylib.lookupFunction<_CryptoDistanceC, _CryptoDistanceDart>(
'crypto_distance'),
_cryptoSign =
dylib.lookupFunction<_CryptoSignC, _CryptoSignDart>('crypto_sign'),
_cryptoVerify = dylib
.lookupFunction<_CryptoVerifyC, _CryptoVerifyDart>('crypto_verify'),
_cryptoAeadOverhead =
dylib.lookupFunction<_CryptoAeadOverheadC, _CryptoAeadOverheadDart>(
'crypto_aead_overhead'),
_cryptoDecryptAead =
dylib.lookupFunction<_CryptoDecryptAeadC, _CryptoDecryptAeadDart>(
'crypto_decrypt_aead'),
_cryptoEncryptAead =
dylib.lookupFunction<_CryptoEncryptAeadC, _CryptoEncryptAeadDart>(
'crypto_encrypt_aead'),
_cryptoCryptNoAuth =
dylib.lookupFunction<_CryptoCryptNoAuthC, _CryptoCryptNoAuthDart>(
'crypto_crypt_no_auth'),
_now = dylib.lookupFunction<_NowC, _NowDart>('now'),
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_debug = dylib.lookupFunction<_DebugC, _DebugDart>('debug'),
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_veilidVersionString = dylib.lookupFunction<_VeilidVersionStringC,
_VeilidVersionStringDart>('veilid_version_string'),
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_veilidVersion =
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dylib.lookupFunction<_VeilidVersionC, _VeilidVersionDart>(
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'veilid_version') {
// Get veilid_flutter initializer
var initializeVeilidFlutter = _dylib.lookupFunction<
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_InitializeVeilidFlutterC,
_InitializeVeilidFlutterDart>('initialize_veilid_flutter');
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initializeVeilidFlutter(NativeApi.postCObject);
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}
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@override
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void initializeVeilidCore(Map<String, dynamic> platformConfigJson) {
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var nativePlatformConfig = jsonEncode(platformConfigJson).toNativeUtf8();
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_initializeVeilidCore(nativePlatformConfig);
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malloc.free(nativePlatformConfig);
}
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@override
void changeLogLevel(String layer, VeilidConfigLogLevel logLevel) {
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var nativeLogLevel = jsonEncode(logLevel).toNativeUtf8();
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var nativeLayer = layer.toNativeUtf8();
_changeLogLevel(nativeLayer, nativeLogLevel);
malloc.free(nativeLayer);
malloc.free(nativeLogLevel);
}
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@override
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Future<Stream<VeilidUpdate>> startupVeilidCore(VeilidConfig config) {
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var nativeConfig = jsonEncode(config).toNativeUtf8();
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final recvStreamPort = ReceivePort("veilid_api_stream");
final sendStreamPort = recvStreamPort.sendPort;
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final recvPort = ReceivePort("startup_veilid_core");
final sendPort = recvPort.sendPort;
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_startupVeilidCore(
sendPort.nativePort, sendStreamPort.nativePort, nativeConfig);
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malloc.free(nativeConfig);
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return processFutureStream(
processStreamJson(VeilidUpdate.fromJson, recvStreamPort),
recvPort.first);
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}
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@override
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Future<VeilidState> getVeilidState() {
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final recvPort = ReceivePort("get_veilid_state");
final sendPort = recvPort.sendPort;
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_getVeilidState(sendPort.nativePort);
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return processFutureJson(VeilidState.fromJson, recvPort.first);
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}
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@override
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Future<void> attach() {
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final recvPort = ReceivePort("attach");
final sendPort = recvPort.sendPort;
_attach(sendPort.nativePort);
return processFutureVoid(recvPort.first);
}
@override
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Future<void> detach() {
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final recvPort = ReceivePort("detach");
final sendPort = recvPort.sendPort;
_detach(sendPort.nativePort);
return processFutureVoid(recvPort.first);
}
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@override
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Future<void> shutdownVeilidCore() {
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final recvPort = ReceivePort("shutdown_veilid_core");
final sendPort = recvPort.sendPort;
_shutdownVeilidCore(sendPort.nativePort);
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return processFutureVoid(recvPort.first);
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}
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@override
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Future<VeilidRoutingContext> routingContext() async {
final recvPort = ReceivePort("routing_context");
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final sendPort = recvPort.sendPort;
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_routingContext(sendPort.nativePort);
final id = await processFuturePlain(recvPort.first);
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return VeilidRoutingContextFFI._(_Ctx(id, this));
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}
@override
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Future<RouteBlob> newPrivateRoute() {
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final recvPort = ReceivePort("new_private_route");
final sendPort = recvPort.sendPort;
_newPrivateRoute(sendPort.nativePort);
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return processFutureJson(RouteBlob.fromJson, recvPort.first);
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}
@override
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Future<RouteBlob> newCustomPrivateRoute(
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Stability stability, Sequencing sequencing) {
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final recvPort = ReceivePort("new_custom_private_route");
final sendPort = recvPort.sendPort;
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_newCustomPrivateRoute(
sendPort.nativePort,
jsonEncode(stability).toNativeUtf8(),
jsonEncode(sequencing).toNativeUtf8());
return processFutureJson(RouteBlob.fromJson, recvPort.first);
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}
@override
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Future<String> importRemotePrivateRoute(Uint8List blob) {
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final nativeEncodedBlob = base64UrlNoPadEncode(blob).toNativeUtf8();
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final recvPort = ReceivePort("import_remote_private_route");
final sendPort = recvPort.sendPort;
_importRemotePrivateRoute(sendPort.nativePort, nativeEncodedBlob);
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return processFuturePlain(recvPort.first);
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}
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@override
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Future<void> releasePrivateRoute(String key) {
final nativeEncodedKey = key.toNativeUtf8();
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final recvPort = ReceivePort("release_private_route");
final sendPort = recvPort.sendPort;
_releasePrivateRoute(sendPort.nativePort, nativeEncodedKey);
return processFutureVoid(recvPort.first);
}
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@override
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Future<void> appCallReply(String call_id, Uint8List message) {
final nativeCallId = call_id.toNativeUtf8();
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final nativeEncodedMessage = base64UrlNoPadEncode(message).toNativeUtf8();
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final recvPort = ReceivePort("app_call_reply");
final sendPort = recvPort.sendPort;
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_appCallReply(sendPort.nativePort, nativeCallId, nativeEncodedMessage);
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return processFutureVoid(recvPort.first);
}
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@override
Future<VeilidTableDB> openTableDB(String name, int columnCount) async {
final recvPort = ReceivePort("open_table_db");
final sendPort = recvPort.sendPort;
_openTableDb(sendPort.nativePort, name.toNativeUtf8(), columnCount);
final id = await processFuturePlain(recvPort.first);
return VeilidTableDBFFI._(_TDB(id, this));
}
@override
Future<bool> deleteTableDB(String name) async {
final recvPort = ReceivePort("delete_table_db");
final sendPort = recvPort.sendPort;
_deleteTableDb(sendPort.nativePort, name.toNativeUtf8());
final deleted = await processFuturePlain(recvPort.first);
return deleted;
}
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@override
List<CryptoKind> validCryptoKinds() {
final vckString = _validCryptoKinds();
final vck = jsonDecode(vckString.toDartString());
_freeString(vckString);
return vck;
}
@override
Future<VeilidCryptoSystem> getCryptoSystem(CryptoKind kind) async {
if (!validCryptoKinds().contains(kind)) {
throw VeilidAPIExceptionGeneric("unsupported cryptosystem");
}
return VeilidCryptoSystemFFI._(this, kind);
}
@override
Future<VeilidCryptoSystem> bestCryptoSystem() async {
return VeilidCryptoSystemFFI._(this, _bestCryptoKind());
}
@override
Future<List<TypedKey>> verifySignatures(
List<TypedKey> nodeIds, Uint8List data, List<TypedSignature> signatures) {
final nativeNodeIds = jsonEncode(nodeIds).toNativeUtf8();
final nativeData = base64UrlNoPadEncode(data).toNativeUtf8();
final nativeSignatures = jsonEncode(signatures).toNativeUtf8();
final recvPort = ReceivePort("verify_signatures");
final sendPort = recvPort.sendPort;
_verifySignatures(
sendPort.nativePort, nativeNodeIds, nativeData, nativeSignatures);
return processFutureJson(
jsonListConstructor<TypedKey>(TypedKey.fromJson), recvPort.first);
}
@override
Future<List<TypedSignature>> generateSignatures(
Uint8List data, List<TypedKeyPair> keyPairs) {
final nativeData = base64UrlNoPadEncode(data).toNativeUtf8();
final nativeKeyPairs = jsonEncode(keyPairs).toNativeUtf8();
final recvPort = ReceivePort("generate_signatures");
final sendPort = recvPort.sendPort;
_generateSignatures(sendPort.nativePort, nativeData, nativeKeyPairs);
return processFutureJson(
jsonListConstructor<TypedSignature>(TypedSignature.fromJson),
recvPort.first);
}
@override
Timestamp now() {
final ts = _now();
return Timestamp(value: BigInt.from(ts));
}
@override
Future<TypedKeyPair> generateKeyPair(CryptoKind kind) {
final recvPort = ReceivePort("generate_key_pair");
final sendPort = recvPort.sendPort;
_generateKeyPair(sendPort.nativePort, kind);
return processFutureJson(TypedKeyPair.fromJson, recvPort.first);
}
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@override
Future<String> debug(String command) async {
var nativeCommand = command.toNativeUtf8();
final recvPort = ReceivePort("debug");
final sendPort = recvPort.sendPort;
_debug(sendPort.nativePort, nativeCommand);
return processFuturePlain(recvPort.first);
}
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@override
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String veilidVersionString() {
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final versionString = _veilidVersionString();
String ret = versionString.toDartString();
_freeString(versionString);
return ret;
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}
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@override
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VeilidVersion veilidVersion() {
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final version = _veilidVersion();
return VeilidVersion(
version.major,
version.minor,
version.patch,
);
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}
}