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;
}
}
public async Task <Response <FaceDetectResult> > DetectAsync(CancellationToken cancellation, string imagePath, 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.OctetStreamContentType);
SetContentStream(context, imagePath);
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;
}
}
public async Task <Response> PutRangeAsync(long index, int length, Stream content, CancellationToken cancellation)
{
if (index < 0)
{
throw new ArgumentOutOfRangeException(nameof(index));
}
if (length < 0 || length > 4 * 1024 * 1024)
{
throw new ArgumentOutOfRangeException(nameof(length));
}
if (content == null)
{
throw new ArgumentNullException(nameof(content));
}
if (content.CanRead == false)
{
throw new ArgumentOutOfRangeException(nameof(content));
}
if (content.CanSeek == false)
{
throw new ArgumentOutOfRangeException(nameof(content));
}
PipelineCallContext context = null;
try {
context = Pipeline.CreateContext(_options, cancellation);
context.SetRequestLine(ServiceMethod.Put, _baseUri);
context.AddHeader(Header.Common.CreateContentLength(content.Length));
context.AddHeader(Header.Common.OctetStreamContentType);
context.SetContent(PipelineContent.Create(content));
await Pipeline.ProcessAsync(context).ConfigureAwait(false);
return(new Response(context.Response));
}
catch {
if (context != null)
{
context.Dispose();
}
throw;
}
}
public async Task <Response> CreateAsync(CancellationToken cancellation)
{
PipelineCallContext context = null;
try {
context = Pipeline.CreateContext(_options, cancellation);
context.SetRequestLine(ServiceMethod.Put, _baseUri);
await Pipeline.ProcessAsync(context).ConfigureAwait(false);
return(new Response(context.Response));
}
catch {
if (context != null)
{
context.Dispose();
}
throw;
}
}