Added CancellationToken parameters to the most complete convenience overloads.

src/Custom/Audio/AudioClient.cs

@@ -2,6 +2,7 @@
 using System.ClientModel;
 using System.ClientModel.Primitives;
 using System.IO;
+using System.Threading;
 using System.Threading.Tasks;
 
 namespace OpenAI.Audio;
@@ -85,16 +86,17 @@ protected internal AudioClient(ClientPipeline pipeline, string model, Uri endpoi
     /// <param name="text"> The text for the voice to speak. </param>
     /// <param name="voice"> The voice to use. </param>
     /// <param name="options"> Additional options to tailor the text-to-speech request. </param>
+    /// <param name="cancellationToken">A token that can be used to cancel this method call.</param>
     /// <returns> The generated audio in the specified output format. </returns>
-    public virtual async Task<ClientResult<BinaryData>> GenerateSpeechFromTextAsync(string text, GeneratedSpeechVoice voice, SpeechGenerationOptions options = null)
+    public virtual async Task<ClientResult<BinaryData>> GenerateSpeechFromTextAsync(string text, GeneratedSpeechVoice voice, SpeechGenerationOptions options = null, CancellationToken cancellationToken = default)
     {
         Argument.AssertNotNull(text, nameof(text));
 
         options ??= new();
         CreateSpeechGenerationOptions(text, voice, ref options);
 
         using BinaryContent content = options.ToBinaryContent();
-        ClientResult result = await GenerateSpeechFromTextAsync(content, null).ConfigureAwait(false);
+        ClientResult result = await GenerateSpeechFromTextAsync(content, cancellationToken.ToRequestOptions()).ConfigureAwait(false);
         return ClientResult.FromValue(result.GetRawResponse().Content, result.GetRawResponse());
     }
 
@@ -108,16 +110,17 @@ public virtual async Task<ClientResult<BinaryData>> GenerateSpeechFromTextAsync(
     /// <param name="text"> The text for the voice to speak. </param>
     /// <param name="voice"> The voice to use. </param>
     /// <param name="options"> Additional options to tailor the text-to-speech request. </param>
+    /// <param name="cancellationToken">A token that can be used to cancel this method call.</param>
     /// <returns> The generated audio in the specified output format. </returns>
-    public virtual ClientResult<BinaryData> GenerateSpeechFromText(string text, GeneratedSpeechVoice voice, SpeechGenerationOptions options = null)
+    public virtual ClientResult<BinaryData> GenerateSpeechFromText(string text, GeneratedSpeechVoice voice, SpeechGenerationOptions options = null, CancellationToken cancellationToken = default)
     {
         Argument.AssertNotNull(text, nameof(text));
 
         options ??= new();
         CreateSpeechGenerationOptions(text, voice, ref options);
 
         using BinaryContent content = options.ToBinaryContent();
-        ClientResult result = GenerateSpeechFromText(content, (RequestOptions)null);
+        ClientResult result = GenerateSpeechFromText(content, cancellationToken.ToRequestOptions()); ;
         return ClientResult.FromValue(result.GetRawResponse().Content, result.GetRawResponse());
     }
 
@@ -135,10 +138,11 @@ public virtual ClientResult<BinaryData> GenerateSpeechFromText(string text, Gene
     /// not match.
     /// </param>
     /// <param name="options"> Additional options to tailor the audio transcription request. </param>
+    /// <param name="cancellationToken">A token that can be used to cancel this method call.</param>
     /// <exception cref="ArgumentNullException"> <paramref name="audio"/> or <paramref name="audioFilename"/> is null. </exception>
     /// <exception cref="ArgumentException"> <paramref name="audioFilename"/> is an empty string, and was expected to be non-empty. </exception>
     /// <returns> The audio transcription. </returns>
-    public virtual async Task<ClientResult<AudioTranscription>> TranscribeAudioAsync(Stream audio, string audioFilename, AudioTranscriptionOptions options = null)
+    public virtual async Task<ClientResult<AudioTranscription>> TranscribeAudioAsync(Stream audio, string audioFilename, AudioTranscriptionOptions options = null, CancellationToken cancellationToken = default)
     {
         Argument.AssertNotNull(audio, nameof(audio));
         Argument.AssertNotNullOrEmpty(audioFilename, nameof(audioFilename));
@@ -147,7 +151,7 @@ public virtual async Task<ClientResult<AudioTranscription>> TranscribeAudioAsync
         CreateAudioTranscriptionOptions(audio, audioFilename, ref options);
 
         using MultipartFormDataBinaryContent content = options.ToMultipartContent(audio, audioFilename);
-        ClientResult result = await TranscribeAudioAsync(content, content.ContentType).ConfigureAwait(false);
+        ClientResult result = await TranscribeAudioAsync(content, content.ContentType, cancellationToken.ToRequestOptions()).ConfigureAwait(false);
         return ClientResult.FromValue(AudioTranscription.FromResponse(result.GetRawResponse()), result.GetRawResponse());
     }
 
@@ -161,10 +165,11 @@ public virtual async Task<ClientResult<AudioTranscription>> TranscribeAudioAsync
     /// not match.
     /// </param>
     /// <param name="options"> Additional options to tailor the audio transcription request. </param>
+    /// <param name="cancellationToken">A token that can be used to cancel this method call.</param>
     /// <exception cref="ArgumentNullException"> <paramref name="audio"/> or <paramref name="audioFilename"/> is null. </exception>
     /// <exception cref="ArgumentException"> <paramref name="audioFilename"/> is an empty string, and was expected to be non-empty. </exception>
     /// <returns> The audio transcription. </returns>
-    public virtual ClientResult<AudioTranscription> TranscribeAudio(Stream audio, string audioFilename, AudioTranscriptionOptions options = null)
+    public virtual ClientResult<AudioTranscription> TranscribeAudio(Stream audio, string audioFilename, AudioTranscriptionOptions options = null, CancellationToken cancellationToken = default)
     {
         Argument.AssertNotNull(audio, nameof(audio));
         Argument.AssertNotNullOrEmpty(audioFilename, nameof(audioFilename));
@@ -173,7 +178,7 @@ public virtual ClientResult<AudioTranscription> TranscribeAudio(Stream audio, st
         CreateAudioTranscriptionOptions(audio, audioFilename, ref options);
 
         using MultipartFormDataBinaryContent content = options.ToMultipartContent(audio, audioFilename);
-        ClientResult result = TranscribeAudio(content, content.ContentType);
+        ClientResult result = TranscribeAudio(content, content.ContentType, cancellationToken.ToRequestOptions());
         return ClientResult.FromValue(AudioTranscription.FromResponse(result.GetRawResponse()), result.GetRawResponse());
     }
 
@@ -229,10 +234,11 @@ public virtual ClientResult<AudioTranscription> TranscribeAudio(string audioFile
     /// not match.
     /// </param>
     /// <param name="options"> Additional options to tailor the audio translation request. </param>
+    /// <param name="cancellationToken">A token that can be used to cancel this method call.</param>
     /// <exception cref="ArgumentNullException"> <paramref name="audio"/> or <paramref name="audioFilename"/> is null. </exception>
     /// <exception cref="ArgumentException"> <paramref name="audioFilename"/> is an empty string, and was expected to be non-empty. </exception>
     /// <returns> The audio translation. </returns>
-    public virtual async Task<ClientResult<AudioTranslation>> TranslateAudioAsync(Stream audio, string audioFilename, AudioTranslationOptions options = null)
+    public virtual async Task<ClientResult<AudioTranslation>> TranslateAudioAsync(Stream audio, string audioFilename, AudioTranslationOptions options = null, CancellationToken cancellationToken = default)
     {
         Argument.AssertNotNull(audio, nameof(audio));
         Argument.AssertNotNullOrEmpty(audioFilename, nameof(audioFilename));
@@ -241,7 +247,7 @@ public virtual async Task<ClientResult<AudioTranslation>> TranslateAudioAsync(St
         CreateAudioTranslationOptions(audio, audioFilename, ref options);
 
         using MultipartFormDataBinaryContent content = options.ToMultipartContent(audio, audioFilename);
-        ClientResult result = await TranslateAudioAsync(content, content.ContentType).ConfigureAwait(false);
+        ClientResult result = await TranslateAudioAsync(content, content.ContentType, cancellationToken.ToRequestOptions()).ConfigureAwait(false);
         return ClientResult.FromValue(AudioTranslation.FromResponse(result.GetRawResponse()), result.GetRawResponse());
     }
 
@@ -253,10 +259,11 @@ public virtual async Task<ClientResult<AudioTranslation>> TranslateAudioAsync(St
     /// not match.
     /// </param>
     /// <param name="options"> Additional options to tailor the audio translation request. </param>
+    /// <param name="cancellationToken">A token that can be used to cancel this method call.</param>
     /// <exception cref="ArgumentNullException"> <paramref name="audio"/> or <paramref name="audioFilename"/> is null. </exception>
     /// <exception cref="ArgumentException"> <paramref name="audioFilename"/> is an empty string, and was expected to be non-empty. </exception>
     /// <returns> The audio translation. </returns>
-    public virtual ClientResult<AudioTranslation> TranslateAudio(Stream audio, string audioFilename, AudioTranslationOptions options = null)
+    public virtual ClientResult<AudioTranslation> TranslateAudio(Stream audio, string audioFilename, AudioTranslationOptions options = null, CancellationToken cancellationToken = default)
     {
         Argument.AssertNotNull(audio, nameof(audio));
         Argument.AssertNotNullOrEmpty(audioFilename, nameof(audioFilename));
@@ -265,7 +272,7 @@ public virtual ClientResult<AudioTranslation> TranslateAudio(Stream audio, strin
         CreateAudioTranslationOptions(audio, audioFilename, ref options);
 
         using MultipartFormDataBinaryContent content = options.ToMultipartContent(audio, audioFilename);
-        ClientResult result = TranslateAudio(content, content.ContentType);
+        ClientResult result = TranslateAudio(content, content.ContentType, cancellationToken.ToRequestOptions());
         return ClientResult.FromValue(AudioTranslation.FromResponse(result.GetRawResponse()), result.GetRawResponse());
     }
 

src/Custom/Chat/ChatClient.cs

@@ -3,6 +3,7 @@
 using System.ClientModel.Primitives;
 using System.Collections.Generic;
 using System.Linq;
+using System.Threading;
 using System.Threading.Tasks;
 
 namespace OpenAI.Chat;
@@ -68,16 +69,18 @@ protected internal ChatClient(ClientPipeline pipeline, string model, Uri endpoin
     /// </summary>
     /// <param name="messages"> The messages to provide as input and history for chat completion. </param>
     /// <param name="options"> Additional options for the chat completion request. </param>
+    /// <param name="cancellationToken">A token that can be used to cancel this method call.</param>
     /// <returns> A result for a single chat completion. </returns>
-    public virtual async Task<ClientResult<ChatCompletion>> CompleteChatAsync(IEnumerable<ChatMessage> messages, ChatCompletionOptions options = null)
+    public virtual async Task<ClientResult<ChatCompletion>> CompleteChatAsync(IEnumerable<ChatMessage> messages, ChatCompletionOptions options = null, CancellationToken cancellationToken = default)
     {
         Argument.AssertNotNullOrEmpty(messages, nameof(messages));
 
         options ??= new();
         CreateChatCompletionOptions(messages, ref options);
 
         using BinaryContent content = options.ToBinaryContent();
-        ClientResult result = await CompleteChatAsync(content, null).ConfigureAwait(false);
+
+        ClientResult result = await CompleteChatAsync(content, cancellationToken.ToRequestOptions()).ConfigureAwait(false);
         return ClientResult.FromValue(ChatCompletion.FromResponse(result.GetRawResponse()), result.GetRawResponse());
     }
 
@@ -94,16 +97,17 @@ public virtual async Task<ClientResult<ChatCompletion>> CompleteChatAsync(params
     /// </summary>
     /// <param name="messages"> The messages to provide as input and history for chat completion. </param>
     /// <param name="options"> Additional options for the chat completion request. </param>
+    /// <param name="cancellationToken">A token that can be used to cancel this method call.</param>
     /// <returns> A result for a single chat completion. </returns>
-    public virtual ClientResult<ChatCompletion> CompleteChat(IEnumerable<ChatMessage> messages, ChatCompletionOptions options = null)
+    public virtual ClientResult<ChatCompletion> CompleteChat(IEnumerable<ChatMessage> messages, ChatCompletionOptions options = null, CancellationToken cancellationToken = default)
     {
         Argument.AssertNotNullOrEmpty(messages, nameof(messages));
 
         options ??= new();
         CreateChatCompletionOptions(messages, ref options);
 
         using BinaryContent content = options.ToBinaryContent();
-        ClientResult result = CompleteChat(content, null);
+        ClientResult result = CompleteChat(content, cancellationToken.ToRequestOptions());
         return ClientResult.FromValue(ChatCompletion.FromResponse(result.GetRawResponse()), result.GetRawResponse());
 
     }
@@ -126,18 +130,19 @@ public virtual ClientResult<ChatCompletion> CompleteChat(params ChatMessage[] me
     /// </remarks>
     /// <param name="messages"> The messages to provide as input for chat completion. </param>
     /// <param name="options"> Additional options for the chat completion request. </param>
+    /// <param name="cancellationToken">A token that can be used to cancel this method call.</param>
     /// <returns> A streaming result with incremental chat completion updates. </returns>
-    public virtual AsyncResultCollection<StreamingChatCompletionUpdate> CompleteChatStreamingAsync(IEnumerable<ChatMessage> messages, ChatCompletionOptions options = null)
+    public virtual AsyncResultCollection<StreamingChatCompletionUpdate> CompleteChatStreamingAsync(IEnumerable<ChatMessage> messages, ChatCompletionOptions options = null, CancellationToken cancellationToken = default)
     {
         Argument.AssertNotNull(messages, nameof(messages));
 
         options ??= new();
         CreateChatCompletionOptions(messages, ref options, stream: true);
 
         using BinaryContent content = options.ToBinaryContent();
-        RequestOptions requestOptions = new() { BufferResponse = false };
+
         async Task<ClientResult> getResultAsync() =>
-            await CompleteChatAsync(content, requestOptions).ConfigureAwait(false);
+            await CompleteChatAsync(content, cancellationToken.ToRequestOptions(streaming: true)).ConfigureAwait(false);
         return new AsyncStreamingChatCompletionUpdateCollection(getResultAsync);
     }
 
@@ -164,17 +169,17 @@ public virtual AsyncResultCollection<StreamingChatCompletionUpdate> CompleteChat
     /// </remarks>
     /// <param name="messages"> The messages to provide as input for chat completion. </param>
     /// <param name="options"> Additional options for the chat completion request. </param>
+    /// <param name="cancellationToken">A token that can be used to cancel this method call.</param>
     /// <returns> A streaming result with incremental chat completion updates. </returns>
-    public virtual ResultCollection<StreamingChatCompletionUpdate> CompleteChatStreaming(IEnumerable<ChatMessage> messages, ChatCompletionOptions options = null)
+    public virtual ResultCollection<StreamingChatCompletionUpdate> CompleteChatStreaming(IEnumerable<ChatMessage> messages, ChatCompletionOptions options = null, CancellationToken cancellationToken = default)
     {
         Argument.AssertNotNull(messages, nameof(messages));
 
         options ??= new();
         CreateChatCompletionOptions(messages, ref options, stream: true);
 
         using BinaryContent content = options.ToBinaryContent();
-        RequestOptions requestOptions = new() { BufferResponse = false };
-        ClientResult getResult() => CompleteChat(content, requestOptions);
+        ClientResult getResult() => CompleteChat(content, cancellationToken.ToRequestOptions(streaming: true));
         return new StreamingChatCompletionUpdateCollection(getResult);
     }
 

src/Custom/Common/CancellationTokenExtensions.cs

@@ -0,0 +1,22 @@
+using System.ClientModel.Primitives;
+using System.Threading;
+
+internal static class CancellationTokenExtensions
+{
+    public static RequestOptions ToRequestOptions(this CancellationToken cancellationToken, bool streaming = false)
+    {
+        if (cancellationToken == default)
+        {
+            if (!streaming) return null;
+            return StreamRequestOptions;
+        }
+
+        return new RequestOptions() { 
+            CancellationToken = cancellationToken,
+            BufferResponse = !streaming,
+        };
+    }
+
+    private static RequestOptions StreamRequestOptions => _streamRequestOptions ??= new() { BufferResponse = false };
+    private static RequestOptions _streamRequestOptions;
+}