public HttpClient CreateClientWithProxy(IWebProxy webProxy)
{
var key = webProxy.GetHashCode();
lock (this.cache)
{
if (this.cache.ContainsKey(key))
{
return(this.cache[key]);
}
var result = this.httpClientFactory.CreateClientWithProxy(webProxy);
this.cache.Add(key, result);
return(result);
}
}
private HttpClient ProxiedClientFromCache(IWebProxy proxy)
{
lock (clients)
{
var result = this.clients.AddOrUpdate(
key: proxy.GetHashCode().ToString(),
addValueFactory: u =>
{
return(new HttpClientAndTimestamp()
{
client = CreateProxiedClient(proxy),
lastFetchTimestamp = Stopwatch.GetTimestamp()
});
},
updateValueFactory: (u, value) =>
{
return(value);
}
);
result.lastFetchTimestamp = Stopwatch.GetTimestamp();
CleanupHttpClientCache();
return(result.client);
}
}