IAsyncResult IHttpAsyncHandler.BeginProcessRequest(HttpContext http, AsyncCallback cb, object extraData)
{
_log = Logger.Instance;
_notifyCompletion = cb;
var response = http.Response;
var route = http.Request.FilePath.ToLowerInvariant();
_request = SrvRequest.New(http, route, this);
logStart(_request);
response.Headers.Set("Access-Control-Allow-Origin", "*");
try
{
startRequest(_request);
}
catch (Exception ex)
{
writeResponse(new AnyResponse {
Error = ex
});
endRequest();
}
return(this);
}
void IApi.Thumbnail(ISrvRequest request)
{
var config = _config;
var http = request.Http.Request;
var trackingId = request.TrackingId;
var url = http.Require("url");
var width = http.OptionalInt("width", config.thumbnail.defaultWidth);
var height = http.OptionalInt("height", config.thumbnail.defaultHeight);
if (!Uri.IsWellFormedUriString(url, UriKind.Absolute))
{
throw new ApplicationException($"Bad url '{url}'");
}
_log.info(trackingId, () => $"thumbnail request [{width} x {height}] for '{url}'");
var key = $"{url}_{width}x{height}";
_thumbnail.Process(new ThumbnailRequest {
Srv = request,
Key = key,
Url = url,
Width = width,
Height = height
});
}
private void startRequest(ISrvRequest request)
{
var log = Logger.Instance;
var http = request.Http.Request;
var api = Api.Instance;
log.info(request.TrackingId, "anyhandler", () => $"starting request '{http.Path}'");
switch (request.Route)
{
case "/thumbnail": {
api.Thumbnail(request);
break;
}
case "/config": {
var config = http.RequireArgs <SrvConfig>();
api.SetConfig(config);
writeResponse(new AnyResponse {
Json = config.ToJson()
});
endRequest();
break;
}
case "/log": {
var msgs = log.GetMessages();
writeResponse(new AnyResponse {
Json = msgs.ToJson()
});
endRequest();
break;
}
case "/log/detailed": {
var dump = log.Dump();
writeResponse(new AnyResponse {
Json = dump.ToJson()
});
endRequest();
break;
}
case "/log/clear": {
log.Clear();
writeResponse(new AnyResponse {
Json = "{}"
});
endRequest();
break;
}
default: {
throw new ApplicationException($"Route '{request.Route}' is not found");
}
}
}
private void logEnd(ISrvRequest request)
{
}
private void logStart(ISrvRequest request)
{
}
