Merge pull request 'Memory Management Improvements' (#148) from memory into trunk
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Details
continuous-integration/drone/push Build is passing
Details
Reviewed-on: #148 Reviewed-by: Dan Ballard <dan@openprivacy.ca> Reviewed-by: erinn <erinn@openprivacy.ca>
This commit is contained in:
commit
b78f138cb2
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@ -1 +1 @@
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v1.1.0-2021-07-15-19-15
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v1.1.1-16-g7376218-2021-08-25-16-54
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@ -4,7 +4,6 @@ import 'dart:io';
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import 'dart:isolate';
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import 'dart:isolate';
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import 'dart:io' show Platform;
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import 'dart:io' show Platform;
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import 'package:cwtch/cwtch/cwtchNotifier.dart';
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import 'package:cwtch/cwtch/cwtchNotifier.dart';
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import 'package:flutter/src/services/text_input.dart';
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import 'package:path/path.dart' as path;
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import 'package:path/path.dart' as path;
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import 'package:ffi/ffi.dart';
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import 'package:ffi/ffi.dart';
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@ -22,6 +21,9 @@ typedef StartCwtchFn = int Function(Pointer<Utf8> dir, int len, Pointer<Utf8> to
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typedef void_from_void_funtion = Void Function();
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typedef void_from_void_funtion = Void Function();
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typedef VoidFromVoidFunction = void Function();
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typedef VoidFromVoidFunction = void Function();
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typedef free_function = Void Function(Pointer<Utf8>);
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typedef FreeFn = void Function(Pointer<Utf8>);
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typedef void_from_string_string_function = Void Function(Pointer<Utf8>, Int32, Pointer<Utf8>, Int32);
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typedef void_from_string_string_function = Void Function(Pointer<Utf8>, Int32, Pointer<Utf8>, Int32);
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typedef VoidFromStringStringFn = void Function(Pointer<Utf8>, int, Pointer<Utf8>, int);
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typedef VoidFromStringStringFn = void Function(Pointer<Utf8>, int, Pointer<Utf8>, int);
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@ -34,25 +36,15 @@ typedef VoidFromStringStringStringStringFn = void Function(Pointer<Utf8>, int, P
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typedef void_from_string_string_int_int_function = Void Function(Pointer<Utf8>, Int32, Pointer<Utf8>, Int32, Int64, Int64);
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typedef void_from_string_string_int_int_function = Void Function(Pointer<Utf8>, Int32, Pointer<Utf8>, Int32, Int64, Int64);
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typedef VoidFromStringStringIntIntFn = void Function(Pointer<Utf8>, int, Pointer<Utf8>, int, int, int);
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typedef VoidFromStringStringIntIntFn = void Function(Pointer<Utf8>, int, Pointer<Utf8>, int, int, int);
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typedef access_cwtch_eventbus_function = Void Function();
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typedef NextEventFn = void Function();
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typedef string_to_void_function = Void Function(Pointer<Utf8> str, Int32 length);
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typedef string_to_void_function = Void Function(Pointer<Utf8> str, Int32 length);
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typedef StringFn = void Function(Pointer<Utf8> dir, int);
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typedef StringFn = void Function(Pointer<Utf8> dir, int);
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typedef string_string_to_void_function = Void Function(Pointer<Utf8> str, Int32 length, Pointer<Utf8> str2, Int32 length2);
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typedef string_string_to_void_function = Void Function(Pointer<Utf8> str, Int32 length, Pointer<Utf8> str2, Int32 length2);
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typedef StringStringFn = void Function(Pointer<Utf8>, int, Pointer<Utf8>, int);
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typedef StringStringFn = void Function(Pointer<Utf8>, int, Pointer<Utf8>, int);
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typedef get_json_blob_void_function = Pointer<Utf8> Function();
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typedef GetJsonBlobVoidFn = Pointer<Utf8> Function();
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typedef get_json_blob_string_function = Pointer<Utf8> Function(Pointer<Utf8> str, Int32 length);
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typedef get_json_blob_string_function = Pointer<Utf8> Function(Pointer<Utf8> str, Int32 length);
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typedef GetJsonBlobStringFn = Pointer<Utf8> Function(Pointer<Utf8> str, int len);
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typedef GetJsonBlobStringFn = Pointer<Utf8> Function(Pointer<Utf8> str, int len);
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//func NumMessages(profile_ptr *C.char, profile_len C.int, handle_ptr *C.char, handle_len C.int) (n C.int) {
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typedef get_int_from_str_str_function = Int32 Function(Pointer<Utf8>, Int32, Pointer<Utf8>, Int32);
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typedef GetIntFromStrStrFn = int Function(Pointer<Utf8>, int, Pointer<Utf8>, int);
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//func GetMessage(profile_ptr *C.char, profile_len C.int, handle_ptr *C.char, handle_len C.int, message_index C.int) *C.char {
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//func GetMessage(profile_ptr *C.char, profile_len C.int, handle_ptr *C.char, handle_len C.int, message_index C.int) *C.char {
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typedef get_json_blob_from_str_str_int_function = Pointer<Utf8> Function(Pointer<Utf8>, Int32, Pointer<Utf8>, Int32, Int32);
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typedef get_json_blob_from_str_str_int_function = Pointer<Utf8> Function(Pointer<Utf8>, Int32, Pointer<Utf8>, Int32, Int32);
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typedef GetJsonBlobFromStrStrIntFn = Pointer<Utf8> Function(Pointer<Utf8>, int, Pointer<Utf8>, int, int);
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typedef GetJsonBlobFromStrStrIntFn = Pointer<Utf8> Function(Pointer<Utf8>, int, Pointer<Utf8>, int, int);
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@ -138,9 +130,7 @@ class CwtchFfi implements Cwtch {
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// Called on object being disposed to (presumably on app close) to close the isolate that's listening to libcwtch-go events
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// Called on object being disposed to (presumably on app close) to close the isolate that's listening to libcwtch-go events
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@override
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@override
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void dispose() {
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void dispose() {
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if (cwtchIsolate != null) {
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cwtchIsolate.kill(priority: Isolate.immediate);
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cwtchIsolate.kill(priority: Isolate.immediate);
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}
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}
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}
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// Entry point for an isolate to listen to a stream of events pulled from libcwtch-go and return them on the sendPort
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// Entry point for an isolate to listen to a stream of events pulled from libcwtch-go and return them on the sendPort
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@ -165,9 +155,21 @@ class CwtchFfi implements Cwtch {
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// ignore: non_constant_identifier_names
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// ignore: non_constant_identifier_names
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final GetAppbusEvent = getAppbusEventC.asFunction<AppbusEventsFn>();
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final GetAppbusEvent = getAppbusEventC.asFunction<AppbusEventsFn>();
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while (true) {
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// Embedded Version of _UnsafeFreePointerAnyUseOfThisFunctionMustBeDoubleApproved
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var free = library.lookup<NativeFunction<free_function>>("c_FreePointer");
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final Free = free.asFunction<FreeFn>();
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// ignore: non_constant_identifier_names
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final GetAppBusEvent = () {
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// ignore: non_constant_identifier_names
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Pointer<Utf8> result = GetAppbusEvent();
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Pointer<Utf8> result = GetAppbusEvent();
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String event = result.toDartString();
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String event = result.toDartString();
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Free(result);
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return event;
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};
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while (true) {
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final event = GetAppBusEvent();
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if (event.startsWith("{\"EventType\":\"Shutdown\"")) {
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if (event.startsWith("{\"EventType\":\"Shutdown\"")) {
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print("Shutting down isolate thread: $event");
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print("Shutting down isolate thread: $event");
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@ -184,6 +186,7 @@ class CwtchFfi implements Cwtch {
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final SelectProfile = selectProfileC.asFunction<GetJsonBlobStringFn>();
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final SelectProfile = selectProfileC.asFunction<GetJsonBlobStringFn>();
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final ut8Onion = onion.toNativeUtf8();
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final ut8Onion = onion.toNativeUtf8();
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SelectProfile(ut8Onion, ut8Onion.length);
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SelectProfile(ut8Onion, ut8Onion.length);
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malloc.free(ut8Onion);
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}
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}
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// ignore: non_constant_identifier_names
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// ignore: non_constant_identifier_names
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@ -194,6 +197,8 @@ class CwtchFfi implements Cwtch {
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final utf8nick = nick.toNativeUtf8();
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final utf8nick = nick.toNativeUtf8();
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final ut8pass = pass.toNativeUtf8();
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final ut8pass = pass.toNativeUtf8();
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CreateProfile(utf8nick, utf8nick.length, ut8pass, ut8pass.length);
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CreateProfile(utf8nick, utf8nick.length, ut8pass, ut8pass.length);
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malloc.free(utf8nick);
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malloc.free(ut8pass);
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}
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}
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// ignore: non_constant_identifier_names
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// ignore: non_constant_identifier_names
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@ -203,6 +208,7 @@ class CwtchFfi implements Cwtch {
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final LoadProfiles = loadProfileC.asFunction<StringFn>();
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final LoadProfiles = loadProfileC.asFunction<StringFn>();
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final ut8pass = pass.toNativeUtf8();
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final ut8pass = pass.toNativeUtf8();
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LoadProfiles(ut8pass, ut8pass.length);
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LoadProfiles(ut8pass, ut8pass.length);
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malloc.free(ut8pass);
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}
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}
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// ignore: non_constant_identifier_names
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// ignore: non_constant_identifier_names
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@ -214,6 +220,9 @@ class CwtchFfi implements Cwtch {
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final utf8handle = handle.toNativeUtf8();
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final utf8handle = handle.toNativeUtf8();
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Pointer<Utf8> jsonMessageBytes = GetMessage(utf8profile, utf8profile.length, utf8handle, utf8handle.length, index);
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Pointer<Utf8> jsonMessageBytes = GetMessage(utf8profile, utf8profile.length, utf8handle, utf8handle.length, index);
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String jsonMessage = jsonMessageBytes.toDartString();
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String jsonMessage = jsonMessageBytes.toDartString();
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_UnsafeFreePointerAnyUseOfThisFunctionMustBeDoubleApproved(jsonMessageBytes);
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malloc.free(utf8profile);
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malloc.free(utf8handle);
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return jsonMessage;
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return jsonMessage;
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}
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}
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@ -226,6 +235,8 @@ class CwtchFfi implements Cwtch {
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final utf8onion = onion.toNativeUtf8();
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final utf8onion = onion.toNativeUtf8();
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final utf8json = json.toNativeUtf8();
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final utf8json = json.toNativeUtf8();
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SendAppBusEvent(utf8onion, utf8onion.length, utf8json, utf8json.length);
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SendAppBusEvent(utf8onion, utf8onion.length, utf8json, utf8json.length);
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malloc.free(utf8onion);
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malloc.free(utf8json);
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}
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}
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@override
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@override
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@ -236,6 +247,7 @@ class CwtchFfi implements Cwtch {
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final SendAppBusEvent = sendAppBusEvent.asFunction<StringFn>();
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final SendAppBusEvent = sendAppBusEvent.asFunction<StringFn>();
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final utf8json = json.toNativeUtf8();
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final utf8json = json.toNativeUtf8();
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SendAppBusEvent(utf8json, utf8json.length);
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SendAppBusEvent(utf8json, utf8json.length);
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malloc.free(utf8json);
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}
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}
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@override
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@override
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@ -247,6 +259,8 @@ class CwtchFfi implements Cwtch {
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final u1 = profileOnion.toNativeUtf8();
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final u1 = profileOnion.toNativeUtf8();
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final u2 = contactHandle.toNativeUtf8();
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final u2 = contactHandle.toNativeUtf8();
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AcceptContact(u1, u1.length, u2, u2.length);
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AcceptContact(u1, u1.length, u2, u2.length);
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malloc.free(u1);
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malloc.free(u2);
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}
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}
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@override
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@override
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@ -258,6 +272,8 @@ class CwtchFfi implements Cwtch {
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final u1 = profileOnion.toNativeUtf8();
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final u1 = profileOnion.toNativeUtf8();
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final u2 = contactHandle.toNativeUtf8();
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final u2 = contactHandle.toNativeUtf8();
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BlockContact(u1, u1.length, u2, u2.length);
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BlockContact(u1, u1.length, u2, u2.length);
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malloc.free(u1);
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malloc.free(u2);
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}
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}
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@override
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@override
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@ -270,6 +286,9 @@ class CwtchFfi implements Cwtch {
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final u2 = contactHandle.toNativeUtf8();
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final u2 = contactHandle.toNativeUtf8();
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final u3 = message.toNativeUtf8();
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final u3 = message.toNativeUtf8();
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SendMessage(u1, u1.length, u2, u2.length, u3, u3.length);
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SendMessage(u1, u1.length, u2, u2.length, u3, u3.length);
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malloc.free(u1);
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malloc.free(u2);
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malloc.free(u3);
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}
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}
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@override
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@override
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@ -282,6 +301,9 @@ class CwtchFfi implements Cwtch {
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final u2 = contactHandle.toNativeUtf8();
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final u2 = contactHandle.toNativeUtf8();
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final u3 = target.toNativeUtf8();
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final u3 = target.toNativeUtf8();
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SendInvitation(u1, u1.length, u2, u2.length, u3, u3.length);
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SendInvitation(u1, u1.length, u2, u2.length, u3, u3.length);
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malloc.free(u1);
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malloc.free(u2);
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malloc.free(u3);
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}
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}
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@override
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@override
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@ -302,6 +324,8 @@ class CwtchFfi implements Cwtch {
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final u1 = profileOnion.toNativeUtf8();
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final u1 = profileOnion.toNativeUtf8();
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final u2 = bundle.toNativeUtf8();
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final u2 = bundle.toNativeUtf8();
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ImportBundle(u1, u1.length, u2, u2.length);
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ImportBundle(u1, u1.length, u2, u2.length);
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|
malloc.free(u1);
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||||||
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malloc.free(u2);
|
||||||
}
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}
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@override
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@override
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||||||
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@ -315,6 +339,10 @@ class CwtchFfi implements Cwtch {
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||||||
final u3 = key.toNativeUtf8();
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final u3 = key.toNativeUtf8();
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||||||
final u4 = value.toNativeUtf8();
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final u4 = value.toNativeUtf8();
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SetGroupAttribute(u1, u1.length, u2, u2.length, u3, u3.length, u4, u4.length);
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SetGroupAttribute(u1, u1.length, u2, u2.length, u3, u3.length, u4, u4.length);
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|
malloc.free(u1);
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||||||
|
malloc.free(u2);
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||||||
|
malloc.free(u3);
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||||||
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malloc.free(u4);
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||||||
}
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}
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||||||
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||||||
@override
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@override
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||||||
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@ -326,9 +354,12 @@ class CwtchFfi implements Cwtch {
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||||||
final u1 = profileOnion.toNativeUtf8();
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final u1 = profileOnion.toNativeUtf8();
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||||||
final u2 = groupHandle.toNativeUtf8();
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final u2 = groupHandle.toNativeUtf8();
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||||||
RejectInvite(u1, u1.length, u2, u2.length);
|
RejectInvite(u1, u1.length, u2, u2.length);
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||||||
|
malloc.free(u1);
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||||||
|
malloc.free(u2);
|
||||||
}
|
}
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||||||
|
|
||||||
@override
|
@override
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||||||
|
// ignore: non_constant_identifier_names
|
||||||
void CreateGroup(String profileOnion, String server, String groupName) {
|
void CreateGroup(String profileOnion, String server, String groupName) {
|
||||||
var createGroup = library.lookup<NativeFunction<void_from_string_string_string_function>>("c_CreateGroup");
|
var createGroup = library.lookup<NativeFunction<void_from_string_string_string_function>>("c_CreateGroup");
|
||||||
// ignore: non_constant_identifier_names
|
// ignore: non_constant_identifier_names
|
||||||
|
@ -337,6 +368,10 @@ class CwtchFfi implements Cwtch {
|
||||||
final u2 = server.toNativeUtf8();
|
final u2 = server.toNativeUtf8();
|
||||||
final u3 = groupName.toNativeUtf8();
|
final u3 = groupName.toNativeUtf8();
|
||||||
CreateGroup(u1, u1.length, u2, u2.length, u3, u3.length);
|
CreateGroup(u1, u1.length, u2, u2.length, u3, u3.length);
|
||||||
|
|
||||||
|
malloc.free(u1);
|
||||||
|
malloc.free(u2);
|
||||||
|
malloc.free(u3);
|
||||||
}
|
}
|
||||||
|
|
||||||
@override
|
@override
|
||||||
|
@ -348,6 +383,8 @@ class CwtchFfi implements Cwtch {
|
||||||
final u1 = profileOnion.toNativeUtf8();
|
final u1 = profileOnion.toNativeUtf8();
|
||||||
final u2 = handle.toNativeUtf8();
|
final u2 = handle.toNativeUtf8();
|
||||||
LeaveConversation(u1, u1.length, u2, u2.length);
|
LeaveConversation(u1, u1.length, u2, u2.length);
|
||||||
|
malloc.free(u1);
|
||||||
|
malloc.free(u2);
|
||||||
}
|
}
|
||||||
|
|
||||||
@override
|
@override
|
||||||
|
@ -359,9 +396,12 @@ class CwtchFfi implements Cwtch {
|
||||||
final u1 = profileOnion.toNativeUtf8();
|
final u1 = profileOnion.toNativeUtf8();
|
||||||
final u2 = groupHandle.toNativeUtf8();
|
final u2 = groupHandle.toNativeUtf8();
|
||||||
LeaveGroup(u1, u1.length, u2, u2.length);
|
LeaveGroup(u1, u1.length, u2, u2.length);
|
||||||
|
malloc.free(u1);
|
||||||
|
malloc.free(u2);
|
||||||
}
|
}
|
||||||
|
|
||||||
@override
|
@override
|
||||||
|
// ignore: non_constant_identifier_names
|
||||||
void UpdateMessageFlags(String profile, String handle, int index, int flags) {
|
void UpdateMessageFlags(String profile, String handle, int index, int flags) {
|
||||||
var updateMessageFlagsC = library.lookup<NativeFunction<void_from_string_string_int_int_function>>("c_UpdateMessageFlags");
|
var updateMessageFlagsC = library.lookup<NativeFunction<void_from_string_string_int_int_function>>("c_UpdateMessageFlags");
|
||||||
// ignore: non_constant_identifier_names
|
// ignore: non_constant_identifier_names
|
||||||
|
@ -369,6 +409,8 @@ class CwtchFfi implements Cwtch {
|
||||||
final utf8profile = profile.toNativeUtf8();
|
final utf8profile = profile.toNativeUtf8();
|
||||||
final utf8handle = handle.toNativeUtf8();
|
final utf8handle = handle.toNativeUtf8();
|
||||||
updateMessageFlags(utf8profile, utf8profile.length, utf8handle, utf8handle.length, index, flags);
|
updateMessageFlags(utf8profile, utf8profile.length, utf8handle, utf8handle.length, index, flags);
|
||||||
|
malloc.free(utf8profile);
|
||||||
|
malloc.free(utf8handle);
|
||||||
}
|
}
|
||||||
|
|
||||||
@override
|
@override
|
||||||
|
@ -380,14 +422,18 @@ class CwtchFfi implements Cwtch {
|
||||||
final u1 = onion.toNativeUtf8();
|
final u1 = onion.toNativeUtf8();
|
||||||
final u2 = currentPassword.toNativeUtf8();
|
final u2 = currentPassword.toNativeUtf8();
|
||||||
DeleteProfile(u1, u1.length, u2, u2.length);
|
DeleteProfile(u1, u1.length, u2, u2.length);
|
||||||
|
malloc.free(u1);
|
||||||
|
malloc.free(u2);
|
||||||
}
|
}
|
||||||
|
|
||||||
@override
|
@override
|
||||||
|
// ignore: non_constant_identifier_names
|
||||||
Future<void> Shutdown() async {
|
Future<void> Shutdown() async {
|
||||||
var shutdown = library.lookup<NativeFunction<void_from_void_funtion>>("c_ShutdownCwtch");
|
var shutdown = library.lookup<NativeFunction<void_from_void_funtion>>("c_ShutdownCwtch");
|
||||||
// ignore: non_constant_identifier_names
|
// ignore: non_constant_identifier_names
|
||||||
|
|
||||||
// Shutdown Cwtch + Tor...
|
// Shutdown Cwtch + Tor...
|
||||||
|
// ignore: non_constant_identifier_names
|
||||||
final Shutdown = shutdown.asFunction<VoidFromVoidFunction>();
|
final Shutdown = shutdown.asFunction<VoidFromVoidFunction>();
|
||||||
Shutdown();
|
Shutdown();
|
||||||
|
|
||||||
|
@ -400,6 +446,7 @@ class CwtchFfi implements Cwtch {
|
||||||
}
|
}
|
||||||
|
|
||||||
@override
|
@override
|
||||||
|
// ignore: non_constant_identifier_names
|
||||||
Future GetMessageByContentHash(String profile, String handle, String contentHash) async {
|
Future GetMessageByContentHash(String profile, String handle, String contentHash) async {
|
||||||
var getMessagesByContentHashC = library.lookup<NativeFunction<get_json_blob_from_str_str_str_function>>("c_GetMessagesByContentHash");
|
var getMessagesByContentHashC = library.lookup<NativeFunction<get_json_blob_from_str_str_str_function>>("c_GetMessagesByContentHash");
|
||||||
// ignore: non_constant_identifier_names
|
// ignore: non_constant_identifier_names
|
||||||
|
@ -409,6 +456,20 @@ class CwtchFfi implements Cwtch {
|
||||||
final utf8contentHash = contentHash.toNativeUtf8();
|
final utf8contentHash = contentHash.toNativeUtf8();
|
||||||
Pointer<Utf8> jsonMessageBytes = GetMessagesByContentHash(utf8profile, utf8profile.length, utf8handle, utf8handle.length, utf8contentHash, utf8contentHash.length);
|
Pointer<Utf8> jsonMessageBytes = GetMessagesByContentHash(utf8profile, utf8profile.length, utf8handle, utf8handle.length, utf8contentHash, utf8contentHash.length);
|
||||||
String jsonMessage = jsonMessageBytes.toDartString();
|
String jsonMessage = jsonMessageBytes.toDartString();
|
||||||
|
|
||||||
|
_UnsafeFreePointerAnyUseOfThisFunctionMustBeDoubleApproved(jsonMessageBytes);
|
||||||
|
malloc.free(utf8profile);
|
||||||
|
malloc.free(utf8handle);
|
||||||
|
malloc.free(utf8contentHash);
|
||||||
return jsonMessage;
|
return jsonMessage;
|
||||||
}
|
}
|
||||||
|
|
||||||
|
// ignore: non_constant_identifier_names
|
||||||
|
// Incredibly dangerous function which invokes a free in libCwtch, should only be used
|
||||||
|
// as documented in `MEMORY.md` in libCwtch repo.
|
||||||
|
void _UnsafeFreePointerAnyUseOfThisFunctionMustBeDoubleApproved(Pointer<Utf8> ptr) {
|
||||||
|
var free = library.lookup<NativeFunction<free_function>>("c_FreePointer");
|
||||||
|
final Free = free.asFunction<FreeFn>();
|
||||||
|
Free(ptr);
|
||||||
|
}
|
||||||
}
|
}
|
||||||
|
|
Loading…
Reference in New Issue