onConnectionReady method
Implementation
void onConnectionReady(ClientConnection connection) {
if (isCancelled) return;
if (options.metadataProviders.isEmpty) {
_sendRequest(connection, _sanitizeMetadata(options.metadata));
} else {
final metadata = Map<String, String>.from(options.metadata);
Future.forEach(
options.metadataProviders,
(MetadataProvider provider) => provider(metadata,
'${connection.scheme}://${connection.authority}${audiencePath(_method)}'))
.then((_) => _sendRequest(connection, _sanitizeMetadata(metadata)))
.catchError(_onMetadataProviderError);
}
}