Files
UnrealEngine/Engine/Source/Programs/Shared/EpicGames.Horde/Compute/IComputeClient.cs
2025-05-18 13:04:45 +08:00

87 lines
4.3 KiB
C#

// Copyright Epic Games, Inc. All Rights Reserved.
using System;
using System.Collections.Generic;
using System.Threading;
using System.Threading.Tasks;
using Microsoft.Extensions.Logging;
namespace EpicGames.Horde.Compute
{
/// <summary>
/// Interface for uploading compute work to remote machines
/// </summary>
public interface IComputeClient
{
/// <summary>
/// Find the most suitable cluster to execute a given compute assignment request
/// </summary>
/// <param name="requirements">Requirements for the agent</param>
/// <param name="requestId">Optional ID identifying the request over multiple calls, such as retrying the same request</param>
/// <param name="connection">Optional preference of connection details</param>
/// <param name="logger">Logger for output from this worker</param>
/// <param name="cancellationToken">Cancellation token for the operation</param>
public Task<ClusterId> GetClusterAsync(Requirements? requirements, string? requestId, ConnectionMetadataRequest? connection, ILogger logger, CancellationToken cancellationToken = default);
/// <summary>
/// Adds a new remote request
/// </summary>
/// <param name="clusterId">Optional cluster ID. If not set, cluster will automatically be resolved by server</param>
/// <param name="requirements">Requirements for the agent</param>
/// <param name="requestId">Optional ID identifying the request over multiple calls, such as retrying the same request</param>
/// <param name="connection">Optional preference of connection details</param>
/// <param name="logger">Logger for output from this worker</param>
/// <param name="cancellationToken">Cancellation token for the operation</param>
public Task<IComputeLease?> TryAssignWorkerAsync(ClusterId? clusterId, Requirements? requirements, string? requestId, ConnectionMetadataRequest? connection, ILogger logger, CancellationToken cancellationToken = default);
/// <summary>
/// Declare resource needs for current client
/// Helps inform the server about current demand.
/// Can be called as often as necessary to keep needs up-to-date.
/// </summary>
/// <param name="clusterId">Cluster to execute the request</param>
/// <param name="pool">Which pool this applies to</param>
/// <param name="resourceNeeds">Properties with a target amount of each, such as CPU or RAM</param>
/// <param name="cancellationToken">Cancellation token for the operation</param>
public Task DeclareResourceNeedsAsync(ClusterId clusterId, string pool, Dictionary<string, int> resourceNeeds, CancellationToken cancellationToken = default);
}
/// <summary>
/// Extension methods for <see cref="IComputeClient"/>
/// </summary>
public static class ComputeClientExtensions
{
/// <inheritdoc cref="IComputeClient.TryAssignWorkerAsync" />
public static Task<IComputeLease?> TryAssignWorkerAsync(this IComputeClient computeClient, ClusterId clusterId, Requirements? requirements, string? requestId, ConnectionMode? connectionPreference, ILogger logger, CancellationToken cancellationToken = default)
{
ConnectionMetadataRequest cmr = new() { ModePreference = connectionPreference };
return computeClient.TryAssignWorkerAsync(clusterId, requirements, requestId, cmr, logger, cancellationToken);
}
/// <inheritdoc cref="IComputeClient.TryAssignWorkerAsync" />
[Obsolete("Prefer taking a requestId parameter")]
public static Task<IComputeLease?> TryAssignWorkerAsync(this IComputeClient computeClient, ClusterId clusterId, Requirements? requirements, ILogger logger, CancellationToken cancellationToken)
{
return computeClient.TryAssignWorkerAsync(clusterId, requirements, null, logger, cancellationToken);
}
/// <inheritdoc cref="IComputeClient.TryAssignWorkerAsync" />
[Obsolete("Prefer taking a connection parameter")]
public static Task<IComputeLease?> TryAssignWorkerAsync(this IComputeClient computeClient, ClusterId clusterId, Requirements? requirements, string? requestId, ILogger logger, CancellationToken cancellationToken = default)
{
return computeClient.TryAssignWorkerAsync(clusterId, requirements, requestId, null, logger, cancellationToken);
}
}
/// <summary>
/// Exception from ComputeClient
/// </summary>
public class ComputeClientException : Exception
{
/// <inheritdoc/>
public ComputeClientException(string? message) : base(message)
{
}
}
}