/// <summary>
/// Services requests to <c>~/Log</c>
/// </summary>
private Boolean ServiceLog(HttpListenerRequest request, HttpListenerResponse response)
{
if (request.Url.AbsolutePath.ToLower() == "/log")
{
{
String body = String.Format("<h1>Server Log</h1><pre>{0}</pre>", String.Join("", _logLines.ToArray()));
var tokens = TemplateHelper.GetTokenReplacements("Log", _requestHandlers, body);
var template = TemplateHelper.PopulateTemplate("index", tokens);
IResponseFormatter htmlResponseFormatter = new HtmlResponseFormatter(template);
htmlResponseFormatter.WriteContent(response);
return true;
}
}
return false;
}
/// <summary>
/// Services requests to <c>~/</c>
/// </summary>
private Boolean ServiceRoot(HttpListenerRequest request, HttpListenerResponse response)
{
if (request.Url.AbsolutePath.ToLower() == "/")
{
var wwwroot = GetWebRoot();
var indexFile = "index.html";
var absolutePath = Path.Combine(wwwroot, indexFile);
if (File.Exists(absolutePath))
{
// If an index.html file exists in the root, we won't service root requests any longer.
return false;
}
List<String> links = new List<String>();
foreach (var requestHandler in this._requestHandlers.OrderBy(obj => obj.Priority))
{
links.Add(String.Format("<li><a href='{0}'>{0}</a> (Priority: {1})</li>", requestHandler.Name, requestHandler.Priority));
}
String body = String.Format("<h1>Gnome Server</h1><ul>{0}</ul>", String.Join("", links.ToArray()));
var tokens = TemplateHelper.GetTokenReplacements("Home", _requestHandlers, body);
var template = TemplateHelper.PopulateTemplate("index", tokens);
IResponseFormatter htmlResponseFormatter = new HtmlResponseFormatter(template);
htmlResponseFormatter.WriteContent(response);
return true;
}
return false;
}
/// <summary>;
/// Handles the specified request.
/// </summary>
/// <remarks>
/// Defers execution to an appropriate request handler, except for requests to the reserved endpoints: <c>~/</c> and <c>~/Log</c>.<br />
/// Returns a default error message if an appropriate request handler can not be found.
/// </remarks>
private void HandleRequest(HttpListenerRequest request, HttpListenerResponse response)
{
LogMessage(String.Format("{0} {1}", request.HttpMethod, request.RawUrl));
// There are two reserved endpoints: "/" and "/Log".
// These take precedence over all other request handlers.
if (ServiceRoot(request, response))
{
return;
}
if (ServiceLog(request, response))
{
return;
}
// Get the request handler associated with the current request.
var handlers = _requestHandlers.Where(obj => obj.ShouldHandle(request)).ToArray();
if (handlers.Length > 1)
{
LogMessage("Handler Resolution Error: Endpoint did not resolve to a single handler!");
}
else if (handlers.Length == 1)
{
var handler = handlers[0];
try
{
IResponseFormatter responseFormatterWriter = handler.Handle(request);
responseFormatterWriter.WriteContent(response);
return;
}
catch (Exception ex)
{
String errorBody = String.Format("<h1>An error has occurred!</h1><pre>{0}</pre>", ex);
var tokens = TemplateHelper.GetTokenReplacements("Error", _requestHandlers, errorBody);
var template = TemplateHelper.PopulateTemplate("index", tokens);
IResponseFormatter errorResponseFormatter = new HtmlResponseFormatter(template);
errorResponseFormatter.WriteContent(response);
return;
}
}
var wwwroot = GetWebRoot();
// At this point, we can guarantee that we don't need any game data, so we can safely start a new thread to perform the remaining tasks.
ServiceFileRequest(wwwroot, request, response);
}