private byte[] handleEvalContextRequest(HttpListener.Request request)
{
Console.WriteLine($"handling evalContext request({request.path})");
string serialized = new JsonSerializer <KmlCameraParameterValues>().Serialize(scKmlAdapter.KmlCameraValues);
return(s2b(serialized));
}
private byte[] handleServerRequest(HttpListener.Request request)
{
foreach (Route route in routingTable)
{
if (route.IsSupported(request))
{
//Console.WriteLine($"handling /*path*/({request.path})");
return(route.Handler(request));
}
}
return(s2b(KmlLiveCam.TemplateRendererFactory.rendererErrorHandler("request ignored", $"no route found for({request.path}")));
}
private byte[] handleResourceRequest(HttpListener.Request request)
{
string resourceName = request.path;
string resourceFileName = $"Resources/{resourceName}";
Console.WriteLine($"reading resource({resourceFileName})");
try
{
return(File.ReadAllBytes(resourceFileName));
}
catch (Exception ex)
{
return(s2b(KmlLiveCam.TemplateRendererFactory.rendererErrorHandler($"resource({resourceName}) not available", ex.Message)));
}
}
private byte[] handleLiveCamRequest(HttpListener.Request request)
{
(string alias, string lensName) = LiveCamPathToLensSpec(request.path);
KmlLiveCam liveCam;
if (liveCamRegistry.TryGetById(alias, out liveCam))
{
// important: update the global server context (TODO - should be per session)
scKmlAdapter.KmlCameraValues.query = request.query;
scKmlAdapter.KmlCameraValues.alias = alias;
scKmlAdapter.KmlCameraValues.lens = lensName;
return(s2b(liveCam.GetLens(lensName).Render(scKmlAdapter.KmlCameraValues)));
}
return(s2b(KmlLiveCam.TemplateRendererFactory.rendererErrorHandler("request ignored", $"LiveCam({alias}) not found")));
}
private byte[] handleEvalTemplateRequest(HttpListener.Request request)
{
Console.WriteLine($"handling evalTemplate request({request.path})");
scKmlAdapter.KmlCameraValues.query = request.query;
string template = Encoding.UTF8.GetString(request.GetBody());
string result;
try
{
result = (
KmlLiveCam.TemplateRendererFactory.newTemplateRenderer <KmlCameraParameterValues>(template)
.Render(scKmlAdapter.KmlCameraValues)
);
} catch (Exception ex)
{
result = (
KmlLiveCam.TemplateRendererFactory.rendererErrorHandler(
$"exception encountered while evaluating template",
ex.Message
)
);
}
return(s2b(result));
}
