/// <summary>
/// Initializes a new instance.
/// </summary>
public TimerHttpMiddleware(FluentHttpRequestDelegate next, TimerHttpMiddlewareOptions options, ILogger <TimerHttpMiddleware> logger)
{
_next = next;
_options = options;
_logger = logger;
if (_options.WarnThreshold <= TimeSpan.Zero)
{
throw new ArgumentException($"{nameof(_options.WarnThreshold)} must be greater than Zero.");
}
}
/// <summary>
/// Initializes a new instance.
/// </summary>
public LoggerHttpMiddleware(FluentHttpRequestDelegate next, LoggerHttpMiddlewareOptions options, ILogger <LoggerHttpMiddleware> logger)
{
_next = next;
_options = options;
_logger = logger;
}
/// <summary>
/// Run specified middleware, and finally send the given request.
/// </summary>
/// <param name="middlewareCollection">Middleware to pipe.</param>
/// <param name="request">Request to send.</param>
/// <param name="send">Actual send function.</param>
/// <returns>Returns response.</returns>
public async Task <FluentHttpResponse> Run(IList <MiddlewareConfig> middlewareCollection, FluentHttpRequest request, FluentHttpRequestDelegate send)
{
if (middlewareCollection.Count == 0)
{
return(await send(request));
}
FluentHttpResponse httpResult = null;
IFluentHttpMiddleware previousMiddleware = null;
for (int i = middlewareCollection.Count; i-- > 0;)
{
request.CancellationToken.ThrowIfCancellationRequested();
var middlewareOptions = middlewareCollection[i];
var isLast = middlewareCollection.Count - 1 == i;
var isFirst = i == 0;
var next = isLast
? send
: previousMiddleware.Invoke;
object[] ctor;
if (middlewareOptions.Args == null)
{
ctor = new object[] { next }
}
;
else
{
ctor = new object[middlewareOptions.Args.Length + 1];
ctor[0] = next;
Array.Copy(middlewareOptions.Args, 0, ctor, 1, middlewareOptions.Args.Length);
}
var instance = (IFluentHttpMiddleware)ActivatorUtilities.CreateInstance(_serviceProvider, middlewareOptions.Type, ctor);
if (isFirst)
{
httpResult = await instance.Invoke(request);
}
else
{
previousMiddleware = instance;
}
}
return(httpResult);
}
public TestHttpMiddleware(FluentHttpRequestDelegate next)
{
_next = next;
}