/// <summary>
/// sends a get with the trip data to the server
/// </summary>
/// <returns>true false from the server</returns>
static public async Task <string> GetProductAsync(Protobuf.Trip trip)
{
HttpClient client = new HttpClient();
//sends to the server
client.BaseAddress = new Uri("http://172.16.21.44/");
client.DefaultRequestHeaders.Accept.Clear();
client.DefaultRequestHeaders.Accept.Add(
new MediaTypeWithQualityHeaderValue("application/json"));
HttpResponseMessage response = await client.GetAsync(
"api/MobilClient/TripViaProtobuf/?data=" + Convert.ToBase64String(trip.ToByteArray()));
response.EnsureSuccessStatusCode();
// return URI of the created resource.
return(await response.Content.ReadAsStringAsync());
}
/// <summary>
/// register like it is not in motion
/// </summary>
/// <param name="speed">the current speed</param>
/// <returns></returns>
private async Task <bool> NotInMotionAsync(double speed)
{
//looks if it is in motion with a speed over 15km/h
if (speed * 3.6 > 15)
{
//resets the values
speed = 0;
count = 0;
trip = new Protobuf.Trip();
trip.UserId = userId;
trip.Starttime = new Timestamp();
trip.Endtime = new Timestamp();
trip.Starttime.Seconds = Convert.ToInt64(DateTime.Now.Subtract(new DateTime(1970, 1, 1)).TotalSeconds);
return(true);
}
else
{
//if there is a trip and the connection buffer is 0
if (tripStack.Count > 0 && noConnectionBuffer <= 0)
{
bool response = false;
//trys to sent the trip
if (bool.TryParse(await ApiController.GetProductAsync((Protobuf.Trip)tripStack.Peek()), out response) && response)
{
//removes the top trip
tripStack.Pop();
}
else
{
//sets the buffer to 10 to minimice the power usage
noConnectionBuffer = 10;
}
}
// if the no connection buffer is over 0 then minus 1
else if (noConnectionBuffer > 0)
{
noConnectionBuffer--;
}
//POWERSAVE :: waits 60 sec
Thread.Sleep(10000);
return(false);
}
}