internal static SsUssdMsgInfo ConvertSsMsgStruct(SsUssdMsgInfoStruct msgStruct)
{
SsUssdMsgInfo info = new SsUssdMsgInfo();
info.Length = msgStruct.Length;
info.Dcs = msgStruct.Dcs;
info.UssdString = msgStruct.UssdString;
info.Type = msgStruct.Type;
return(info);
}
internal static SsUssdMsgInfoStruct ConvertSsUssdMsgInfo(SsUssdMsgInfo info)
{
SsUssdMsgInfoStruct msgStruct = new SsUssdMsgInfoStruct();
msgStruct.Type = info.Type;
msgStruct.Dcs = info.Dcs;
msgStruct.Length = info.Length;
msgStruct.UssdString = info.UssdString;
return(msgStruct);
}
/// <summary>
/// Sends a USSD string or User response to the Network.
/// </summary>
/// <since_tizen> 4 </since_tizen>
/// <param name="info">The data coding scheme used</param>
/// <returns>A task containing SS USSD response information.</returns>
/// <feature>http://tizen.org/feature/network.telephony</feature>
/// <privlevel>platform</privlevel>
/// <privilege>http://tizen.org/privilege/telephony.admin</privilege>
/// <exception cref="NotSupportedException">Thrown when telephony feature is not supported.</exception>
/// <exception cref="UnauthorizedAccessException">Thrown when privilege access is denied.</exception>
/// <exception cref="ArgumentNullException">Thrown when Ussd message info is passed as null.</exception>
/// <exception cref="ArgumentException">Thrown when it is failed due to invalid parameter.</exception>
/// <exception cref="InvalidOperationException">Thrown when it is failed due to invalid operation.</exception>
public Task <SsUssdResponse> SsSendUssdRequest(SsUssdMsgInfo info)
{
TaskCompletionSource <SsUssdResponse> task = new TaskCompletionSource <SsUssdResponse>();
IntPtr id = (IntPtr)_requestId++;
_callbackMap[id] = (handle, result, data, key) =>
{
Task taskResult = new Task(() =>
{
if (result != (int)SsCause.Success)
{
Log.Error(TapiUtility.LogTag, "Error occurs in sending USSD request: " + (SsCause)result);
task.SetException(new InvalidOperationException("Error occurs in sending USSD request, " + (SsCause)result));
return;
}
SsUssdResponseStruct response = Marshal.PtrToStructure <SsUssdResponseStruct>(data);
task.SetResult(SsStructConversions.ConvertSsUssdResponseStruct(response));
});
taskResult.Start();
taskResult.Wait();
_callbackMap.Remove(key);
};
if (info == null)
{
throw new ArgumentNullException("Ussd message info is null");
}
SsUssdMsgInfoStruct msgStruct = SsClassConversions.ConvertSsUssdMsgInfo(info);
int ret = Interop.Tapi.Ss.SsSendUssdRequest(_handle, ref msgStruct, _callbackMap[id], id);
if (ret != (int)TapiError.Success)
{
Log.Error(TapiUtility.LogTag, "Failed to send USSD request, Error: " + (TapiError)ret);
TapiUtility.ThrowTapiException(ret, _handle, "http://tizen.org/privilege/telephony.admin");
}
return(task.Task);
}