/* Check whether the beacon was registred or now
* If not, it will create a new one otherwise updated last RSSI
* and timestamp */
private void CheckBeacon(string beaconMac, int rssi)
{
/* Check the beacon */
BeaconDao dao = new BeaconDao();
Beacon beacon = dao.GetBeacon(beaconMac);
if (beacon == null)
{
/* There is no definition for this beacon.
* Create a new beacon record */
beacon = new Beacon()
{
MACAddress = beaconMac,
LastRssi = rssi,
Name = "Unknown",
};
/* save new beacon */
dao.NewBeacon(beacon);
}
else
{
/* Update beacon */
beacon.LastSignalTimestamp = DateTime.Now;
beacon.LastRssi = rssi;
dao.UpdateBeacon(beacon);
}
}
private void GetBeacons()
{
BeaconDao beaconDao = new BeaconDao();
List <Beacon> beacons = beaconDao.GetBeacons();
string json = Newtonsoft.Json.JsonConvert.SerializeObject(beacons);
ServiceClient.Send(json);
}
/* Updates the beacon that is provided as json */
private void UpdateBeacon(string data)
{
/* we are triming data below, splitting it by blank chars is not a valid way.
* because blank char can become in the json object as well */
string command = "update beacon ";
string json = data.Substring(command.Length);
Beacon beacon = JsonConvert.DeserializeObject <Beacon>(json);
BeaconDao beaconDao = new BeaconDao();
beaconDao.UpdateBeacon(beacon);
ServiceClient.Send(OK);
}
private void GetBeaconById(int id)
{
BeaconDao beaconDao = new BeaconDao();
Beacon beacon = beaconDao.GetBeaconById(id);
if (beacon == null)
{
ServiceClient.Send(NOT_FOUND_ERROR);
return;
}
string json = Newtonsoft.Json.JsonConvert.SerializeObject(beacon);
ServiceClient.Send(json);
}
/* Updates the beacon that is provided as json */
private void SetMode(string[] dataItems)
{
/* Check data */
if (dataItems.Length < 3)
{
ServiceClient.Send(CreateError_SetMode());
return;
}
string mode = dataItems[2];
/* If mode string is invalid */
if (!ServerSettings.Modes.ContainsKey(mode))
{
ServiceClient.Send(CreateError_SetMode());
return;
}
/* If fingerprinting mode is being tried to set */
if (ServerSettings.Modes[mode] == Enums.ServerModes.Fingerprinting)
{
/* Check the command whether it is valid for the fingerprinting */
if (dataItems.Length < 11)
{
ServiceClient.Send(CreateError_SetMode());
return;
}
/* Check the parameters */
int envIndex = GetIndex(dataItems, "-env");
if (envIndex == -1)
{
ServiceClient.Send(CreateError_SetMode());
return;
}
int beaconIndex = GetIndex(dataItems, "-beacon");
if (beaconIndex == -1)
{
ServiceClient.Send(CreateError_SetMode());
return;
}
int xIndex = GetIndex(dataItems, "-x");
if (xIndex == -1)
{
ServiceClient.Send(CreateError_SetMode());
return;
}
int yIndex = GetIndex(dataItems, "-y");
if (yIndex == -1)
{
ServiceClient.Send(CreateError_SetMode());
return;
}
/* Exceptions will be handled by ServiceClient */
int env = int.Parse(dataItems[envIndex + 1]);
int beaconId = int.Parse(dataItems[beaconIndex + 1]);
int x = int.Parse(dataItems[xIndex + 1]);
int y = int.Parse(dataItems[yIndex + 1]);
/* Get the mac address of the beacon provided! */
BeaconDao dao = new BeaconDao();
Beacon beacon = dao.GetBeaconById(beaconId);
/*Set coordinates*/
FingerprintingSettings.Fingerprinting_EnvironmentId = env;
FingerprintingSettings.Fingerprinting_BeaconId = beaconId;
FingerprintingSettings.Fingerprinting_BeaconMacAddress = beacon.MACAddress;
FingerprintingSettings.Fingerprinting_X = x;
FingerprintingSettings.Fingerprinting_Y = y;
}
else if (ServerSettings.Modes[mode] == Enums.ServerModes.Positioning)
{
/* Check the command whether it is valid for positioning */
if (dataItems.Length < 5)
{
ServiceClient.Send(CreateError_SetMode());
return;
}
/* Check the parameters */
int beaconIndex = GetIndex(dataItems, "-beacon");
if (beaconIndex == -1)
{
ServiceClient.Send(CreateError_SetMode());
return;
}
int beaconId = int.Parse(dataItems[beaconIndex + 1]);
/* Get the mac address of the beacon provided! */
BeaconDao dao = new BeaconDao();
Beacon beacon = dao.GetBeaconById(beaconId);
/* Set the beacon to be positioned */
PositioningParams.Positioning_BeaconId = beaconId;
PositioningParams.Positioning_BeaconMacAddress = beacon.MACAddress;
}
/* Set mode */
ServerSettings.ServerMode = ServerSettings.Modes[mode];
ServiceClient.Send(OK);
}
