public Task ProcessAsync(HttpContext current, IAsyncResponsePlan e)
{
//Use alternate cache key if provided
string key = e.RequestCachingKey;
//If cached, serve it.
var c = cache.Get(key);
if (c != null)
{
Serve(current, e, c);
return(Task.FromResult(0));
}
//If not, let's cache it.
return(asyncLocks.TryExecuteAsync(key, 3000, async delegate()
{
c = cache.Get(key);
if (c == null)
{
using (var data = new MemoryStream(4096))
{
await e.CreateAndWriteResultAsync(data, e);//Very long-running call
c = new MemCacheResult(data.CopyToBytes(true));
}
cache.Set(key, c);//Save to cache (may trigger cleanup)
}
Serve(current, e, c);
return;
}));
}
public void Process(System.Web.HttpContext current, IResponseArgs e)
{
//Use alternate cache key if provided
string key = e.RequestKey;
//If cached, serve it.
var c = cache.Get(key);
if (c != null)
{
Serve(current, e, c);
return;
}
//If not, let's cache it.
locks.TryExecute(key, 3000, delegate() {
c = cache.Get(key);
if (c == null)
{
using (var data = new MemoryStream()){
e.ResizeImageToStream(data);//Very long-running call
c = new MemCacheResult(data.CopyToBytes(true));
}
cache.Set(key, c);//Save to cache (may trigger cleanup)
}
Serve(current, e, c);
return;
});
}
public void Process(System.Web.HttpContext current, IResponseArgs e)
{
//Use alternate cache key if provided
string key = e.RequestKey + (e.HasModifiedDate ? e.GetModifiedDateUTC().Ticks.ToString() : "");
//If cached, serve it.
var c = cache.Get(key);
if (c != null) {
Serve(current, e, c);
return;
}
//If not, let's cache it.
locks.TryExecute(key, 3000, delegate() {
c = cache.Get(key);
if (c == null) {
using (var data = new MemoryStream()){
e.ResizeImageToStream(data);//Very long-running call
c = new MemCacheResult(StreamExtensions.CopyToBytes(data, true));
}
cache.Set(key, c);//Save to cache (may trigger cleanup)
}
Serve(current, e, c);
return;
});
}
private void Serve(HttpContext context, IAsyncResponsePlan e, MemCacheResult result)
{
context.RemapHandler(new MemCacheHandler(e, result.Data));
}
private void Serve(HttpContext context, IResponseArgs e, MemCacheResult result)
{
context.RemapHandler(new MemCacheHandler(e,result.Data));
}
