public void DistanceBetweenTest()
{
List <GpsLocation> inputs = new List <GpsLocation>()
{
new GpsLocation(0.0m, 0.0m), // Zero GPS coordinates, south of Ghana
new GpsLocation(40.748456m, -73.985478m), // Empire State Building, New York, US
new GpsLocation(36.190970m, -115.122701m), // Hartke Park, Las Vegas, US
new GpsLocation(73.507778m, 80.537315m), // Dikson Island, Russia
new GpsLocation(-23.441061m, 144.251703m), // Anzac Park, Longreach, Australia
new GpsLocation(40.757961m, -73.985591m), // Times Square, New York, US
};
List <double> expectedDistances = new List <double>()
{
// Zero GPS to
8666100, // Empire State Building
12235660, // Hartke Park
9710095, // Dikson Island
15358880, // Anzac Park
8666310, // Times Square
// Empire State Building to
3583950, // Hartke Park
7163460, // Dikson Island
15975200, // Anzac Park
1057, // Times Square
// Hartke Park to
7759500, // Dikson Island
12432000, // Anzac Park
3583840, // Times Square
// Dikson Island
11723525, // Anzac Park
7162410, // Times Square
// Anzac Park
15974880, // Times Square
};
int index = 0;
for (int i = 0; i < inputs.Count - 1; i++)
{
for (int j = i + 1; j < inputs.Count; j++)
{
double distance = GpsLocation.DistanceBetween(inputs[i], inputs[j]);
Assert.True(distance.ApproxEqual(expectedDistances[index], 10));
index++;
}
}
}
/// <summary>
/// Retrieves a list of profile names that should be found within specific area.
/// </summary>
/// <param name="Location">GPS location of the centre of the target area.</param>
/// <param name="Radius">Radius of the target area in metres.</param>
/// <returns>List of matchin profile names.</returns>
public static List <string> GetProfileNamesInLocation(GpsLocation Location, uint Radius)
{
List <string> res = new List <string>();
for (int i = 0; i < ProfileNames.Count; i++)
{
string name = ProfileNames[i];
GpsLocation profileLocation = ProfileLocations[i];
double distance = GpsLocation.DistanceBetween(Location, profileLocation);
if (distance < (double)Radius)
{
res.Add(name);
}
}
return(res);
}
/// <summary>
/// Retrieves a list of clients that should be found within specific area.
/// </summary>
/// <param name="Location">GPS location of the centre of the target area.</param>
/// <param name="Radius">Radius of the target area in metres.</param>
/// <returns>List of matchin profile names.</returns>
public static Dictionary <string, ProtocolClient> GetClientsInLocation(GpsLocation Location, uint Radius)
{
Dictionary <string, ProtocolClient> res = new Dictionary <string, ProtocolClient>(StringComparer.Ordinal);
for (int i = 0; i < ProfileNames.Count; i++)
{
string name = ProfileNames[i];
ProtocolClient client = TestProfiles[name];
GpsLocation profileLocation = ProfileLocations[i];
double distance = GpsLocation.DistanceBetween(Location, profileLocation);
if (distance < (double)Radius)
{
res.Add(name, client);
}
}
return(res);
}
/// <summary>
/// Checks whether the client's identity matches specific search query.
/// </summary>
/// <param name="NameFilter">Name filter of the search query, or null if name filtering is not required.</param>
/// <param name="TypeFilter">Type filter of the search query, or null if type filtering is not required.</param>
/// <param name="LocationFilter">Location filter of the search query, or null if location filtering is not required.</param>
/// <param name="Radius">If <paramref name="LocationFilter"/> is not null, this is the radius in metres of the target area.</param>
/// <returns>true if the identity matches the query, false otherwise.</returns>
public bool MatchesSearchQuery(string NameFilter, string TypeFilter, GpsLocation LocationFilter, int Radius)
{
log.Trace("(NameFilter:'{0}',TypeFilter:'{1}',LocationFilter:'{2}',Radius:{3})", NameFilter, TypeFilter, LocationFilter, Radius);
bool res = false;
// Do not include if the profile is unintialized or hosting cancelled.
if (profileInitialized && hostingActive)
{
bool matchType = false;
bool useTypeFilter = !string.IsNullOrEmpty(TypeFilter) && (TypeFilter != "*") && (TypeFilter != "**");
if (useTypeFilter)
{
string value = type.ToLowerInvariant();
string filterValue = TypeFilter.ToLowerInvariant();
matchType = value == filterValue;
bool valueStartsWith = TypeFilter.EndsWith("*");
bool valueEndsWith = TypeFilter.StartsWith("*");
bool valueContains = valueStartsWith && valueEndsWith;
if (valueContains)
{
filterValue = filterValue.Substring(1, filterValue.Length - 2);
matchType = value.Contains(filterValue);
}
else if (valueStartsWith)
{
filterValue = filterValue.Substring(0, filterValue.Length - 1);
matchType = value.StartsWith(filterValue);
}
else if (valueEndsWith)
{
filterValue = filterValue.Substring(1);
matchType = value.EndsWith(filterValue);
}
}
else
{
matchType = true;
}
bool matchName = false;
bool useNameFilter = !string.IsNullOrEmpty(NameFilter) && (NameFilter != "*") && (NameFilter != "**");
if (useNameFilter)
{
string value = name.ToLowerInvariant();
string filterValue = NameFilter.ToLowerInvariant();
matchName = value == filterValue;
bool valueStartsWith = NameFilter.EndsWith("*");
bool valueEndsWith = NameFilter.StartsWith("*");
bool valueContains = valueStartsWith && valueEndsWith;
if (valueContains)
{
filterValue = filterValue.Substring(1, filterValue.Length - 2);
matchName = value.Contains(filterValue);
}
else if (valueStartsWith)
{
filterValue = filterValue.Substring(0, filterValue.Length - 1);
matchName = value.StartsWith(filterValue);
}
else if (valueEndsWith)
{
filterValue = filterValue.Substring(1);
matchName = value.EndsWith(filterValue);
}
}
else
{
matchName = true;
}
if (matchType && matchName)
{
bool matchLocation = false;
if (LocationFilter != null)
{
double distance = GpsLocation.DistanceBetween(LocationFilter, location);
matchLocation = distance <= (double)Radius;
}
else
{
matchLocation = true;
}
res = matchLocation;
}
}
log.Trace("(-):{0}", res);
return(res);
}