Git-Mirrors/veilid
1
0
Fork 0
mirror of https://gitlab.com/veilid/veilid.git synced 2025-08-02 03:36:07 -04:00
Code Issues Projects Releases Packages Wiki Activity

ffi work

Browse source
This commit is contained in:
John Smith 2022-02-09 21:40:01 -05:00
parent dfd995036a
commit cbf8f30b96
5 changed files with 760 additions and 400 deletions
Download patch file Download diff file Expand all files Collapse all files

113
veilid-flutter/lib/veilid_ffi.dart
View file

@ -74,39 +74,31 @@ const int MESSAGE_STREAM_CLOSE = 8;
Veilid getVeilid() => VeilidFFI(_dylib);
// Parse handle async returns
Future<T> processSingleAsyncReturn<T>(Future<dynamic> future) async {
Future<T> processFuturePlain<T>(
T Function(Map<String, dynamic>)? jsonConstructor,
Future<dynamic> future) {
return future.then((value) {
final list = value as List<dynamic>;
switch (list[0] as int) {
case MESSAGE_OK:
{
if (list[1] != null) {
throw VeilidAPIExceptionInternal(
"Unexpected MESSAGE_OK value '${list[1]}' where null expected");
if (list[1] == null) {
throw VeilidAPIExceptionInternal("Null MESSAGE_OK value");
}
return list[1] as T;
}
case MESSAGE_ERR:
{
throw VeilidAPIExceptionInternal("Internal API Error: ${value[1]}");
}
case MESSAGE_OK_JSON:
{
var ret = jsonDecode(list[1] as String);
if (ret != null) {
throw VeilidAPIExceptionInternal(
"Unexpected MESSAGE_OK_JSON value '$ret' where null expected");
}
return ret as T;
throw VeilidAPIExceptionInternal("Internal API Error: ${list[1]}");
}
case MESSAGE_ERR_JSON:
{
throw VeilidAPIException.fromJson(value[1] as String);
throw VeilidAPIException.fromJson(jsonDecode(list[1]));
}
default:
{
throw VeilidAPIExceptionInternal(
"Unexpected async return message type: ${value[0]}");
"Unexpected async return message type: ${list[0]}");
}
}
}).catchError((e) {
@ -118,7 +110,44 @@ Future<T> processSingleAsyncReturn<T>(Future<dynamic> future) async {
});
}
Future<void> processSingleAsyncVoid(Future<dynamic> future) async {
Future<T> processFutureJson<T>(
T Function(Map<String, dynamic>) jsonConstructor,
Future<dynamic> future) {
return future.then((value) {
final list = value as List<dynamic>;
switch (list[0] as int) {
case MESSAGE_ERR:
{
throw VeilidAPIExceptionInternal("Internal API Error: ${list[1]}");
}
case MESSAGE_OK_JSON:
{
if (list[1] == null) {
throw VeilidAPIExceptionInternal("Null MESSAGE_OK_JSON value");
}
var ret = jsonDecode(list[1] as String);
return jsonConstructor(ret);
}
case MESSAGE_ERR_JSON:
{
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<void> processFutureVoid(Future<dynamic> future) {
return future.then((value) {
final list = value as List<dynamic>;
switch (list[0] as int) {
@ -132,7 +161,7 @@ Future<void> processSingleAsyncVoid(Future<dynamic> future) async {
}
case MESSAGE_ERR:
{
throw VeilidAPIExceptionInternal("Internal API Error: ${value[1]}");
throw VeilidAPIExceptionInternal("Internal API Error: ${list[1]}");
}
case MESSAGE_OK_JSON:
{
@ -145,12 +174,12 @@ Future<void> processSingleAsyncVoid(Future<dynamic> future) async {
}
case MESSAGE_ERR_JSON:
{
throw VeilidAPIException.fromJson(value[1] as String);
throw VeilidAPIException.fromJson(jsonDecode(list[1] as String));
}
default:
{
throw VeilidAPIExceptionInternal(
"Unexpected async return message type: ${value[0]}");
"Unexpected async return message type: ${list[0]}");
}
}
}).catchError((e) {
@ -202,32 +231,40 @@ class VeilidFFI implements Veilid {
}
@override
Stream<VeilidUpdate> startupVeilidCore(VeilidConfig config) async* {}
@override
Future<VeilidState> getVeilidState() async {
final recv_port = ReceivePort("shutdown_veilid_core");
final send_port = recv_port.sendPort;
_shutdownVeilidCore(send_port.nativePort);
processSingleAsyncReturn(recv_port.single);
Stream<VeilidUpdate> startupVeilidCore(VeilidConfig config) {
var nativeConfig = jsonEncode(config.json, toEncodable: veilidApiToEncodable).toNativeUtf8();
final recvPort = ReceivePort("startup_veilid_core");
final sendPort = recvPort.sendPort;
_startupVeilidCore(sendPort.nativePort, nativeConfig);
malloc.free(nativeConfig);
xxx
return processStreamJson(VeilidUpdate.fromJson, recvPort);
}
@override
Future<void> changeApiLogLevel(VeilidLogLevel logLevel) async {
var nativeLogLevel = jsonEncode(logLevel).toNativeUtf8();
final recv_port = ReceivePort("change_api_log_level");
final send_port = recv_port.sendPort;
_changeApiLogLevel(send_port.nativePort, nativeLogLevel);
Future<VeilidState> getVeilidState() async {
final recvPort = ReceivePort("get_veilid_state");
final sendPort = recvPort.sendPort;
_shutdownVeilidCore(sendPort.nativePort);
return processFutureJson(VeilidState.fromJson, recvPort.single);
}
@override
Future<void> changeApiLogLevel(VeilidConfigLogLevel logLevel) async {
var nativeLogLevel = logLevel.json.toNativeUtf8();
final recvPort = ReceivePort("change_api_log_level");
final sendPort = recvPort.sendPort;
_changeApiLogLevel(sendPort.nativePort, nativeLogLevel);
malloc.free(nativeLogLevel);
processSingleAsyncVoid(recv_port.single);
return processFutureVoid(recvPort.single);
}
@override
Future<void> shutdownVeilidCore() async {
final recv_port = ReceivePort("shutdown_veilid_core");
final send_port = recv_port.sendPort;
_shutdownVeilidCore(send_port.nativePort);
processSingleAsyncVoid(recv_port.single);
final recvPort = ReceivePort("shutdown_veilid_core");
final sendPort = recvPort.sendPort;
_shutdownVeilidCore(sendPort.nativePort);
return processFutureVoid(recvPort.single);
}
@override