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import 'package:flutter_ics_homescreen/export.dart';
import 'package:protos/val-api.dart';
class ValClient {
final KuksaConfig config;
final Ref ref;
late ClientChannel channel;
late VALClient stub;
late String authorization;
ValClient({required this.config, required this.ref}) {
debugPrint("Connecting to KUKSA.val at ${config.hostname}:${config.port}");
ChannelCredentials creds;
if (config.use_tls && config.ca_certificate.isNotEmpty) {
print("Using TLS");
if (config.tls_server_name.isNotEmpty) {
creds = ChannelCredentials.secure(
certificates: config.ca_certificate,
authority: config.tls_server_name);
} else {
creds = ChannelCredentials.secure(certificates: config.ca_certificate);
}
} else {
creds = const ChannelCredentials.insecure();
}
channel = ClientChannel(config.hostname,
port: config.port, options: ChannelOptions(credentials: creds));
stub = VALClient(channel);
}
void run() async {
List<String> signals = VSSPath().getSignalsList();
Map<String, String> metadata = {};
if (config.authorization.isNotEmpty) {
metadata = {'authorization': "Bearer ${config.authorization}"};
}
// Initialize signal states
for (int i = 0; i < signals.length; i++) {
get(signals[i]);
}
var request = SubscribeRequest();
for (int i = 0; i < signals.length; i++) {
var entry = SubscribeEntry();
entry.path = signals[i];
entry.fields.add(Field.FIELD_PATH);
entry.fields.add(Field.FIELD_VALUE);
request.entries.add(entry);
}
try {
var responseStream =
stub.subscribe(request, options: CallOptions(metadata: metadata));
responseStream.listen((value) async {
for (var update in value.updates) {
if (!(update.hasEntry() && update.entry.hasPath())) continue;
handleSignalUpdate(update.entry);
}
}, onError: (stacktrace, errorDescriptor) {
debugPrint(stacktrace.toString());
});
} catch (e) {
debugPrint(e.toString());
}
}
bool handleSignalUpdate(DataEntry entry) {
if (ref.read(vehicleProvider.notifier).handleSignalUpdate(entry)) {
return true;
}
if (ref.read(audioStateProvider.notifier).handleSignalUpdate(entry)) {
return true;
}
return ref.read(unitStateProvider.notifier).handleSignalUpdate(entry);
}
void setUint32(String path, int value, [bool actuator = true]) async {
var dp = Datapoint()..uint32 = value;
set(path, dp, actuator);
}
void setInt32(String path, int value, [bool actuator = true]) async {
var dp = Datapoint()..int32 = value;
set(path, dp, actuator);
}
void setBool(String path, bool value, [bool actuator = true]) async {
var dp = Datapoint()..bool_12 = value;
set(path, dp, actuator);
}
void setString(String path, String value, [bool actuator = true]) async {
var dp = Datapoint()..string = value;
set(path, dp, actuator);
}
void setFloat(String path, double value, [bool actuator = true]) async {
var dp = Datapoint()..float = value;
set(path, dp, actuator);
}
void setDouble(String path, double value, [bool actuator = true]) async {
var dp = Datapoint()..double_18 = value;
set(path, dp, actuator);
}
void set(String path, Datapoint dp, bool actuator) async {
var entry = DataEntry()..path = path;
var update = EntryUpdate();
if (actuator) {
entry.actuatorTarget = dp;
update.fields.add(Field.FIELD_ACTUATOR_TARGET);
} else {
entry.value = dp;
update.fields.add(Field.FIELD_VALUE);
}
update.entry = entry;
var request = SetRequest();
request.updates.add(update);
Map<String, String> metadata = {};
if (config.authorization.isNotEmpty) {
metadata = {'authorization': "Bearer ${config.authorization}"};
}
await stub.set(request, options: CallOptions(metadata: metadata));
}
void get(String path) async {
var entry = EntryRequest()..path = path;
entry.fields.add(Field.FIELD_VALUE);
var request = GetRequest();
request.entries.add(entry);
Map<String, String> metadata = {};
if (config.authorization.isNotEmpty) {
metadata = {'authorization': "Bearer ${config.authorization}"};
}
debugPrint("Getting {path} value");
var response =
await stub.get(request, options: CallOptions(metadata: metadata));
if (response.hasError()) {
debugPrint("Get request had error {response.error().reason}");
return;
}
for (var entry in response.entries) {
if (!entry.hasPath()) continue;
handleSignalUpdate(entry);
}
}
}
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