private async Task <HttpResponseMessage> GetWithMirroredRetry(Http.Client client, string url)
{
int retries = 0;
var downloader = DownloadDispatcher.GetInstance <WabbajackCDNDownloader>();
if (downloader.Mirrors != null)
{
url = ReplaceHost(downloader.Mirrors, url);
}
TOP:
try
{
return(await client.GetAsync(url, retry : false));
}
catch (Exception ex)
{
if (retries > 5)
{
Utils.Log($"Tried to read from {retries} CDN servers, giving up");
throw;
}
Utils.Log($"Error reading {url} retying with a mirror");
Utils.Log(ex.ToString());
downloader.Mirrors ??= await ClientAPI.GetCDNMirrorList();
url = ReplaceHost(downloader.Mirrors, url);
retries += 1;
Interlocked.Increment(ref downloader.TotalRetries);
goto TOP;
}
}
/// <summary>
/// This is all we track for metrics, action, and value. The action will be like
/// "downloaded", the value "Joe's list".
/// </summary>
/// <param name="action"></param>
/// <param name="value"></param>
public static async Task Send(string action, string value)
{
if (BuildServerStatus.IsBuildServerDown)
{
return;
}
var key = await GetMetricsKey();
Utils.Log($"File hash check (-42) {key}");
var client = new Http.Client();
client.Headers.Add((Consts.MetricsKeyHeader, key));
await client.GetAsync($"{Consts.WabbajackBuildServerUri}metrics/{action}/{value}");
}
private async Task <HttpResponseMessage> GetWithCDNRetry(Http.Client client, string url, CancellationToken?token = null)
{
int retries = 0;
TOP:
try
{
return(await client.GetAsync(url, retry : false, token : token));
}
catch (Exception ex)
{
if (retries > 2)
{
Utils.Log($"Trying CDN...");
var remap = url.Replace(new Uri(url).Host, DomainRemaps.FirstOrDefault(x => x.Value == new Uri(url).Host).Key);
return(await client.GetAsync(remap, retry : false, token : token));
}
retries += 1;
Utils.Log($"Error reading {url} retrying [{retries}]");
Utils.Log(ex.ToString());
goto TOP;
}
}
private static bool CheckBuildServer()
{
var client = new Http.Client();
try
{
var result = client.GetAsync($"{Consts.WabbajackBuildServerUri}heartbeat").Result;
_isBuildServerDown = result.StatusCode != HttpStatusCode.OK && result.StatusCode != HttpStatusCode.InternalServerError;
}
catch (Exception)
{
_isBuildServerDown = true;
}
finally
{
_didCheck = true;
}
Utils.Log($"Build server is {(_isBuildServerDown ? "down" : "alive")}");
return(_isBuildServerDown);
}
private async Task <HTTPDownloader.State?> Resolve(CancellationToken?token = null)
{
var client = new Http.Client();
var result = await client.GetAsync(Url, HttpCompletionOption.ResponseHeadersRead, token : token);
if (!result.IsSuccessStatusCode)
{
return(null);
}
if (result.Content.Headers.ContentType !.MediaType !.StartsWith("text/html",
StringComparison.OrdinalIgnoreCase))
{
var body = await client.GetHtmlAsync(Url);
var node = body.DocumentNode.DescendantsAndSelf().First(d => d.HasClass("input") && d.HasClass("popsok") &&
d.GetAttributeValue("aria-label", "") == "Download file");
return(new HTTPDownloader.State(node.GetAttributeValue("href", "not-found")));
}
return(new HTTPDownloader.State(Url));
}