public async Task <Response <Stream> > DetectLazyAsync(CancellationToken cancellation, Uri image, FaceDetectOptions options = default)
{
if (options == null)
{
options = new FaceDetectOptions();
}
Uri uri = BuildUri(options);
HttpMessage message = null;
try
{
message = _client.CreateMessage(_options, cancellation);
message.SetRequestLine(PipelineMethod.Post, uri);
message.AddHeader(_keyHeader);
message.AddHeader(HttpHeader.Common.JsonContentType);
message.SetContent(new FaceContent(image, message));
await _client.ProcessAsync(message).ConfigureAwait(false);
return(new Response <Stream>(message.Response, message.Response.ContentStream));
}
catch
{
if (message != null)
{
message.Dispose();
}
throw;
}
}
public async Task <Response <Stream> > DetectLazyAsync(CancellationToken cancellation, Uri image, FaceDetectOptions options = default)
{
if (options == null)
{
options = new FaceDetectOptions();
}
Uri uri = BuildUri(options);
PipelineCallContext context = null;
try
{
context = _client.CreateContext(_options, cancellation);
context.SetRequestLine(ServiceMethod.Post, uri);
context.AddHeader(_keyHeader);
context.AddHeader(Header.Common.JsonContentType);
context.SetContent(new FaceContent(image, context));
await _client.ProcessAsync(context).ConfigureAwait(false);
return(new Response <Stream>(context.Response, context.Response.ContentStream));
}
catch
{
if (context != null)
{
context.Dispose();
}
throw;
}
}
Uri BuildUri(FaceDetectOptions options)
{
var ub = new UriBuilder(_baseUrl);
ub.Path = ub.Path + Options.ApiVersion + s_detectMethod;
options.BuildRequestParameters(ub);
return(ub.Uri);
}
public async Task <Response <FaceDetectResult> > DetectAsync(CancellationToken cancellation, string imagePath, FaceDetectOptions options)
{
if (options == null)
{
options = new FaceDetectOptions();
}
Uri uri = BuildUri(options);
HttpMessage message = null;
try
{
message = _client.CreateMessage(_options, cancellation);
message.SetRequestLine(PipelineMethod.Post, uri);
message.AddHeader(_keyHeader);
message.AddHeader(HttpHeader.Common.OctetStreamContentType);
SetContentStream(message, imagePath);
await _client.ProcessAsync(message).ConfigureAwait(false);
Response response = message.Response;
if (!response.TryGetHeader(s_contentLength, out long contentLength))
{
throw new Exception("bad response: no content length header");
}
var buffer = new byte[contentLength];
var read = await response.ContentStream.ReadAsync(buffer, cancellation);
Func <Response, FaceDetectResult> contentParser = null;
if (response.Status == 200)
{
contentParser = (rsp) => { return(FaceDetectResult.Parse(new ReadOnlySequence <byte>(buffer, 0, read))); };
}
return(new Response <FaceDetectResult>(response, contentParser));
}
catch
{
if (message != null)
{
message.Dispose();
}
throw;
}
}
public async Task <Response <FaceDetectResult> > DetectAsync(CancellationToken cancellation, Uri image, FaceDetectOptions options)
{
if (options == null)
{
options = new FaceDetectOptions();
}
Uri uri = BuildUri(options);
PipelineCallContext context = null;
try
{
context = _client.CreateContext(_options, cancellation);
context.SetRequestLine(ServiceMethod.Post, uri);
context.AddHeader(_keyHeader);
context.AddHeader(Header.Common.JsonContentType);
context.SetContent(new FaceContent(image, context));
await _client.ProcessAsync(context).ConfigureAwait(false);
ServiceResponse response = context.Response;
if (!response.TryGetHeader(s_contentLength, out long contentLength))
{
throw new Exception("bad response: no content length header");
}
var buffer = new byte[contentLength];
var read = await response.ContentStream.ReadAsync(buffer, cancellation);
Func <ServiceResponse, FaceDetectResult> contentParser = null;
if (response.Status == 200)
{
contentParser = (rsp) => { return(FaceDetectResult.Parse(new ReadOnlySequence <byte>(buffer, 0, read))); };
}
return(new Response <FaceDetectResult>(response, contentParser));
}
catch
{
if (context != null)
{
context.Dispose();
}
throw;
}
}
