/// <summary>
/// Call method with json payload.
/// </summary>
/// <param name="client"></param>
/// <param name="deviceId"></param>
/// <param name="moduleId"></param>
/// <param name="method"></param>
/// <param name="json"></param>
/// <param name="timeout"></param>
/// <param name="ct"></param>
/// <returns></returns>
public static async Task <string> CallMethodAsync(this IMethodClient client,
string deviceId, string moduleId, string method, string json,
TimeSpan?timeout = null, CancellationToken ct = default)
{
var response = await client.CallMethodAsync(deviceId, moduleId, method,
json == null?null : Encoding.UTF8.GetBytes(json),
ContentMimeType.Json, timeout, ct);
return(response.Length == 0 ? null : Encoding.UTF8.GetString(response));
}
/// <summary>
/// Call method with json payload.
/// </summary>
/// <param name="client"></param>
/// <param name="deviceId"></param>
/// <param name="moduleId"></param>
/// <param name="method"></param>
/// <param name="json"></param>
/// <param name="timeout"></param>
/// <returns></returns>
public static async Task <string> CallMethodAsync(this IMethodClient client,
string deviceId, string moduleId, string method, string json,
TimeSpan?timeout = null)
{
var response = await client.CallMethodAsync(deviceId, moduleId, method,
Encoding.UTF8.GetBytes(json), ContentEncodings.MimeTypeUaJson,
timeout);
return(Encoding.UTF8.GetString(response));
}