public async Task <WebInfo> CreateWebInfo(string url)
{
if (!WebInfos.ContainsKey(url))
{
Console.WriteLine("Going to the web to get size...");
WebInfo webInfo = await WriteWebRequestSizeAsync(url);
WebInfos.Add(webInfo.Url, webInfo);
}
else
{
WebInfo currWebInfo = WebInfos[url];
Console.WriteLine("Getting size from cache...");
Console.WriteLine($"Url: {currWebInfo.Url} Size: {currWebInfo.Size} Timestamp: {currWebInfo.Timestamp}");
}
return(await Task.FromResult(WebInfos[url].Clone()));
}
private static async Task <WebInfo> WriteWebRequestSizeAsync(string url)
{
WebInfo webInfo = new WebInfo();
webInfo.Url = url;
webInfo.Timestamp = DateTime.Now;
try
{
WebRequest webRequest =
WebRequest.Create(url);
WebResponse response =
await webRequest.GetResponseAsync();
using (StreamReader reader =
new StreamReader(
response.GetResponseStream()))
{
string text =
await reader.ReadToEndAsync();
Console.WriteLine(
FormatBytes(text.Length));
webInfo.Size = FormatBytes(text.Length);
}
}
catch (WebException)
{
// ...
}
catch (IOException)
{
// ...
}
catch (NotSupportedException)
{
// ...
}
return(await Task.FromResult(webInfo));
}
