public CacheExecutionResult Execute(ChannelMethodHeuristicOptions options, HeuristicsInfo hInfo)
{
string method = options.Request.HttpMethod;
if (method == "GET")
{
return(TryInvokeGetMethod(options, hInfo));
}
else
{
return(TryInvokePostMethod(options, hInfo));
}
}
private void _events_AddToHeuristics(object sender, AddHeuristicsEventArgs e)
{
EnableCacheAttribute cache = e.MethodInfo.GetCustomAttribute <EnableCacheAttribute>();
HeuristicsInfo addInfo = new HeuristicsInfo
{
Channel = e.Channel,
ChannelMethod = e.MethodInfo,
MethodResponse = e.MethodResponse,
AddedTime = DateTime.Now,
Parameters = e.Parameters,
Duration = cache.Duration,
DurationUnit = cache.Unit
};
_cachedInfos.Add(addInfo);
}
public bool IsMethodCached(Type channel, MethodInfo channelMethod, out HeuristicsInfo hInfo)
{
HeuristicsInfo cached = _cachedInfos.FirstOrDefault(x => x.Channel == channel && x.ChannelMethod == channelMethod);
if (cached == null)
{
hInfo = null;
return(false);
}
if (cached.Expired())
{
hInfo = null;
_cachedInfos.Remove(cached);
return(false);
}
else
{
hInfo = cached;
return(true);
}
}
private bool TryInvokePostMethod(ChannelMethodHeuristicOptions options, HeuristicsInfo hInfo)
{
if (options.Request.HasEntityBody)
{
ChannelMethodDeserializerFactory dsrFactory = new ChannelMethodDeserializerFactory(options.Request.InputStream);
List <object> requestParameters = dsrFactory.DeserializeFromBody(_descriptor.GetMethodDescription(options.ChannelMethod), options.Request.ContentType);
if (requestParameters == hInfo.Parameters)
{
_msgService.WriteHttpResponse(hInfo.MethodResponse, options.Response);
return(true);
}
else
{
return(true);
}
}
else
{
_msgService.WriteHttpResponse(hInfo.MethodResponse, options.Response);
return(true);
}
}
private bool TryInvokeGetMethod(ChannelMethodHeuristicOptions options, HeuristicsInfo hInfo)
{
if (options.Request.QueryString.AllKeys.Length == 0)
{
_msgService.WriteHttpResponse(hInfo.MethodResponse, options.Response);
return(true);
}
else
{
ChannelMethodDeserializerFactory dsrFactory = new ChannelMethodDeserializerFactory(options.Request.QueryString);
List <object> requestParameters = dsrFactory.DeserializeFromQueryParameters(_descriptor.GetMethodDescription(options.ChannelMethod));
if (requestParameters == hInfo.Parameters)
{
_msgService.WriteHttpResponse(hInfo.MethodResponse, options.Response);
return(true);
}
else
{
return(false);
}
}
}
private CacheExecutionResult TryInvokeGetMethod(ChannelMethodHeuristicOptions options, HeuristicsInfo hInfo)
{
CacheExecutionResult result = new CacheExecutionResult();
if (options.Request.QueryString.AllKeys.Length == 0)
{
_msgService.WriteHttpResponse(hInfo.MethodResponse, options.Response);
result.Executed = true;
return(result);
}
else
{
ChannelMethodDeserializerFactory dsrFactory = new ChannelMethodDeserializerFactory(options.Request.QueryString);
List <object> requestParameters = dsrFactory.DeserializeFromQueryParameters(_descriptor.GetMethodDescription(options.ChannelMethod));
if (ParameteresMatch(hInfo.Parameters, requestParameters))
{
_msgService.WriteHttpResponse(hInfo.MethodResponse, options.Response);
result.Executed = true;
return(result);
}
else
{
result.Executed = false;
result.DataProcessed = true;
result.Data.HasData = true;
result.Data.Parameters = requestParameters;
return(result);
}
}
}
private CacheExecutionResult TryInvokePostMethod(ChannelMethodHeuristicOptions options, HeuristicsInfo hInfo)
{
CacheExecutionResult result = new CacheExecutionResult();
if (options.Request.HasEntityBody)
{
ChannelMethodDeserializerFactory dsrFactory = new ChannelMethodDeserializerFactory(options.Request.InputStream);
List <object> requestParameters = dsrFactory.DeserializeFromBody(_descriptor.GetMethodDescription(options.ChannelMethod), options.Request.ContentType);
if (ParameteresMatch(hInfo.Parameters, requestParameters))
{
_msgService.WriteHttpResponse(hInfo.MethodResponse, options.Response);
result.Executed = true;
}
else
{
result.Executed = false;
result.DataProcessed = true;
result.Data.HasData = true;
result.Data.Parameters = requestParameters;
}
}
else
{
_msgService.WriteHttpResponse(hInfo.MethodResponse, options.Response);
result.Executed = true;
}
return(result);
}
private void _events_RemoveFromHeuristics(object sender, RemoveHeuristicsEventArgs e)
{
HeuristicsInfo expired = _cachedInfos.FirstOrDefault(x => x.Channel == e.Channel && x.ChannelMethod == e.ChannelMethod);
_cachedInfos.Remove(expired);
}
