internal CommunicationModule _GetCommunicationModuleByName(string moduleName)
{
CommunicationModule module = null;
m_CommunicationModules.TryGetValue(moduleName, out module);
return(module);
}
/// <summary>
/// The primary http handler that routes the request to the proper handler.
/// </summary>
private void _HttpHandler(HttpListenerContext context)
{
// Record the context into the thread-static storage
s_current_http_ctx = context;
// The raw url will be starting with "/", trimming all authority part.
var url = Uri.UnescapeDataString(context.Request.RawUrl);
var separator_idx = url.IndexOf('/', 1);
// If url is "" or "/", or "/{Service_Name}/ cannot be determined (lacking the second separator),
// it means that the request is pointing to the root endpoint.
if (url.Length < 2 || url[1] == '?' || separator_idx == -1)
{
RootHttpHandler(context);
goto cleanup;
}
var endpoint_name = url.Substring(1, separator_idx - 1);
// This request might be of the form "/{instance_id}/..."
uint instance_id;
if (UInt32.TryParse(endpoint_name, out instance_id))
{
// In this case, we relay this message to the desired instance.
m_HttpServer.RelayRequest((int)instance_id, context);
goto cleanup;
}
// This request might be of the form "/{module_name}/..."
CommunicationModule module = null;
if (m_CommunicationModules.TryGetValue(endpoint_name, out module))
{
/* Swallow the module_name part and reset the variables as if we're working on the root. */
url = url.Substring(separator_idx);
separator_idx = url.IndexOf('/', 1);
if (url.Length < 2 || url[1] == '?' || separator_idx == -1)
{
module.GetRootHttpHandler()(context);
}
else
{
endpoint_name = url.Substring(1, separator_idx - 1);
module.GetHttpRequestDispatcher()(context, endpoint_name, url.Substring(separator_idx + 1));
}
goto cleanup;
}
// Otherwise, this request should be dispatched by
DispatchHttpRequest(context, endpoint_name, url.Substring(separator_idx + 1));
cleanup:
// Erase the context as it is not being processed anymore.
s_current_http_ctx = null;
}