TrueCloudLab/frostfs-sdk-csharp
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Initial SDK structure #1

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i.pchelintsev merged 18 commits from i.pchelintsev/frostfs-sdk-csharp:master into master 2024-09-04 19:51:24 +00:00
Conversation 0 Commits 18 Files changed 82 +192 -12
13 changed files with 192 additions and 12 deletions
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6
sdk/src/FrostFS.SDK.ClientV2/Interfaces/IFrostFSClient.cs
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@ -1,3 +1,4 @@
using FrostFS.Object;
using FrostFS.Refs;
namespace FrostFS.SDK.ClientV2;
@ -7,5 +8,8 @@ public interface IFrostFSClient
Task<Container.ListResponse> ListContainersAsync();
Task<Container.PutResponse> CreateContainerAsync(Container.Container container);
Task<Container.GetResponse> GetContainerAsync(ContainerID containerId);
Task<Container.DeleteResponse> DeleteContainerAsync(ContainerID cid);
Task<Container.DeleteResponse> DeleteContainerAsync(ContainerID containerId);
Task<HeadResponse> GetObjectHeadAsync(ContainerID containerId, ObjectID objectId);
Task<Object.PutResponse> PutObjectAsync(ContainerID containerId, Stream data);
Task<Object.DeleteResponse> DeleteObjectAsync(ContainerID containerId, ObjectID objectId);
}

18
sdk/src/FrostFS.SDK.ClientV2/Mappers/GRPC/Object.cs Normal file
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@ -0,0 +1,18 @@
using FrostFS.SDK.ModelsV2;
using FrostFS.SDK.ModelsV2.Enums;
namespace FrostFS.SDK.ClientV2.Mappers.GRPC;
public static class ObjectHeadMapper
{
public static ObjectHead ToModel(this Object.Header head)
{
// var obtype = Enum.Parse<ObjectType>(head.ObjectType.ToString());
return new ObjectHead
{
ContainerId = ContainerId.FromHash(head.ContainerId.Value.ToByteArray()),
Size = (long)head.PayloadLength,
Version = head.Version.ToModel()
};
}
}

25
sdk/src/FrostFS.SDK.ClientV2/RequestConstructor.cs
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@ -1,3 +1,5 @@
using System.Security.Cryptography;
using FrostFS.Refs;
using FrostFS.SDK.ClientV2.Mappers.GRPC;
using FrostFS.SDK.ModelsV2;
using FrostFS.Session;
@ -12,4 +14,27 @@ public static class RequestConstructor
metaHeader ??= MetaHeader.Default().ToGrpcMessage();
request.MetaHeader = metaHeader;
}
public static void AddObjectSessionToken(
this IRequest request,
SessionToken sessionToken,
ContainerID cid,
ObjectID oid,
ObjectSessionContext.Types.Verb verb,
ECDsa key)
{
if (request.MetaHeader.SessionToken is not null) return;
request.MetaHeader.SessionToken = sessionToken;
var ctx = new ObjectSessionContext
{
Target = new ObjectSessionContext.Types.Target
{
Container = cid,
Objects = { oid }
},
Verb = verb
};
request.MetaHeader.SessionToken.Body.Object = ctx;
request.MetaHeader.SessionToken.Signature = key.SignMessagePart(request.MetaHeader.SessionToken.Body);
}
}

86
sdk/src/FrostFS.SDK.ClientV2/Services/Object.cs
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@ -1,5 +1,10 @@
using FrostFS.Object;
using FrostFS.Refs;
using FrostFS.SDK.ClientV2.Mappers.GRPC;
using FrostFS.SDK.Cryptography;
using FrostFS.Session;
using Google.Protobuf;
using Grpc.Core;
namespace FrostFS.SDK.ClientV2;
@ -23,6 +28,61 @@ public partial class Client
return await _objectServiceClient.HeadAsync(request);
}
public async Task<PutResponse> PutObjectAsync(ContainerID cid, Stream data)
{
var sessionToken = await CreateSessionAsync(uint.MaxValue);
var header = new Header
{
ContainerId = cid,
OwnerId = _owner.ToGrpcMessage(),
Version = Version.ToGrpcMessage()
};
var oid = new ObjectID
{
Value = header.Sha256()
};
var request = new PutRequest
{
Body = new PutRequest.Types.Body
{
Init = new PutRequest.Types.Body.Types.Init
{
Header = header,
},
}
};
request.AddMetaHeader();
request.AddObjectSessionToken(sessionToken, cid, oid, ObjectSessionContext.Types.Verb.Put, _key);
request.Sign(_key);
using var stream = await InitObject(request);
var buffer = new byte[ModelsV2.Constants.ObjectChunkSize];
var bufferLength = data.Read(buffer, 0, ModelsV2.Constants.ObjectChunkSize);
while (bufferLength > 0)
{
request.Body = new PutRequest.Types.Body
{
Chunk = ByteString.CopyFrom(buffer[..bufferLength]),
};
request.VerifyHeader = null;
request.Sign(_key);
await stream.Write(request);
bufferLength = data.Read(buffer, 0, ModelsV2.Constants.ObjectChunkSize);
}
return await stream.Close();
}
private async Task<ObjectStreamer> InitObject(PutRequest initRequest)
{
if (initRequest is null)
{
throw new ArgumentNullException(nameof(initRequest));
}
var call = _objectServiceClient.Put();
await call.RequestStream.WriteAsync(initRequest);
return new ObjectStreamer { Call = call };
}
public async Task<DeleteResponse> DeleteObjectAsync(ContainerID cid, ObjectID oid)
{
var request = new DeleteRequest
@ -40,4 +100,30 @@ public partial class Client
request.Sign(_key);
return await _objectServiceClient.DeleteAsync(request);
}
}
internal class ObjectStreamer : IDisposable
{
public AsyncClientStreamingCall<PutRequest, PutResponse> Call { get; init; }
public void Dispose()
{
Call.Dispose();
}
public async Task Write(PutRequest request)
{
if (request is null)
{
throw new ArgumentNullException(nameof(request));
}
await Call.RequestStream.WriteAsync(request);
}
public async Task<PutResponse> Close()
{
await Call.RequestStream.CompleteAsync();
return await Call.ResponseAsync;
}
}

7
sdk/src/FrostFS.SDK.ClientV2/Services/Session.cs
View file

@ -1,14 +1,11 @@
using FrostFS.Refs;
using FrostFS.SDK.ClientV2.Mappers.GRPC;
using FrostFS.SDK.ModelsV2;
using FrostFS.Session;
using Google.Protobuf;
namespace FrostFS.SDK.ClientV2;
public partial class Client
{
public async Task<SessionToken> CreateSessionAsync(ulong expiration)
private async Task<SessionToken> CreateSessionAsync(ulong expiration)
{
var request = new CreateRequest
{
@ -23,7 +20,7 @@ public partial class Client
return await CreateSession(request);
}
public async Task<SessionToken> CreateSession(CreateRequest request)
private async Task<SessionToken> CreateSession(CreateRequest request)
{
var resp = await _sessionServiceClient.CreateAsync(request);
return new SessionToken

2
sdk/src/FrostFS.SDK.Cryptography/Helper.cs
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@ -8,8 +8,6 @@ namespace FrostFS.SDK.Cryptography;
public static class Helper
{
public const int Sha256HashLength = 32;
internal static byte[] RIPEMD160(this byte[] value)
{
var hash = new byte[20];

1
sdk/src/FrostFS.SDK.Cryptography/Tz/GF127.cs
View file

@ -6,7 +6,6 @@ namespace FrostFS.SDK.Cryptography.Tz
public class GF127 : IEquatable<GF127>
{
public const int ByteSize = 16;
public const ulong MaxUlong = ulong.MaxValue;
public const ulong MSB64 = (ulong)1 << 63; // 2^63
public static readonly GF127 Zero = new(0, 0);
public static readonly GF127 One = new(1, 0);

7
sdk/src/FrostFS.SDK.ModelsV2/Constants.cs Normal file
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@ -0,0 +1,7 @@
namespace FrostFS.SDK.ModelsV2;
public class Constants
{
public const int ObjectChunkSize = 3 * (1 << 20);
public const int Sha256HashLength = 32;
}

2
sdk/src/FrostFS.SDK.ModelsV2/ContainerId.cs
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@ -13,7 +13,7 @@ public class ContainerId
public static ContainerId FromHash(byte[] hash)
{
if (hash.Length != Helper.Sha256HashLength)
if (hash.Length != Constants.Sha256HashLength)
{
throw new FormatException("ContainerID must be a sha256 hash.");
}

8
sdk/src/FrostFS.SDK.ModelsV2/Enums/ObjectType.cs Normal file
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@ -0,0 +1,8 @@
namespace FrostFS.SDK.ModelsV2.Enums;
public enum ObjectType
{
Regular = 1,
Tombstone = 2,
Lock = 3
}

9
sdk/src/FrostFS.SDK.ModelsV2/Object.cs Normal file
View file

@ -0,0 +1,9 @@
namespace FrostFS.SDK.ModelsV2;
public class ObjectHead
{
public ContainerId ContainerId { get; set; }
public long Size { get; set; }
public Version Version { get; set; }
}

2
sdk/src/FrostFS.SDK.ModelsV2/ObjectId.cs
View file

@ -13,7 +13,7 @@ public class ObjectId
public static ObjectId FromHash(byte[] hash)
{
if (hash.Length != Helper.Sha256HashLength)
if (hash.Length != Constants.Sha256HashLength)
{
throw new FormatException("ObjectID must be a sha256 hash.");
}

31
sdk/src/FrostFS.SDK.Service/Service.cs
View file

@ -1,10 +1,10 @@
using FrostFS.SDK.ClientV2;
using FrostFS.SDK.ClientV2.Mappers.GRPC;
using FrostFS.SDK.ModelsV2;
using Google.Protobuf;
namespace FrostFS.SDK.Service;
// TODO: Проверять ответы Grpc
public class FrostFsService
{
private readonly IFrostFSClient _client;
@ -42,4 +42,33 @@ public class FrostFsService
{
var deleteContainerResponse = await _client.DeleteContainerAsync(containerId.ToGrpcMessage());
}
public async Task<ObjectHead> GetObjectHeadAsync(ContainerId containerId, ObjectId objectId)
{
var getObjectHeadResponse = await _client.GetObjectHeadAsync(
containerId.ToGrpcMessage(),
objectId.ToGrpcMessage()
);
return getObjectHeadResponse.Body.Header.Header.ToModel();
}
public async Task<ObjectId> PutObjectAsync(ContainerId containerId, Stream data)
{
var putObjectResponse = await _client.PutObjectAsync(containerId.ToGrpcMessage(), data);
return ObjectId.FromHash(putObjectResponse.Body.ObjectId.Value.ToByteArray());
}
public async Task<ObjectId> PutObjectAsync(ContainerId containerId, byte[] data)
{
var putObjectResponse = await _client.PutObjectAsync(containerId.ToGrpcMessage(), new MemoryStream(data));
return ObjectId.FromHash(putObjectResponse.Body.ObjectId.Value.ToByteArray());
}
public async Task DeleteObjectAsync(ContainerId containerId, ObjectId objectId)
{
var deleteObjectResponse = await _client.DeleteObjectAsync(
containerId.ToGrpcMessage(),
objectId.ToGrpcMessage()
);
}
}