/// <summary>发送数据
/// </summary>
public override Task <FastDFSResp> SendRequestAsync <T>(FastDFSReq <T> request)
{
_taskCompletionSource = new TaskCompletionSource <FastDFSResp>();
//上下文,当前的信息
_context = BuildContext <T>(request);
var bodyBuffer = request.EncodeBody(Option);
if (request.Header.Length == 0)
{
request.Header.Length = request.InputStream != null ? request.InputStream.Length + bodyBuffer.Length : bodyBuffer.Length;
}
var headerBuffer = request.Header.ToBytes();
var newBuffer = ByteUtil.Combine(headerBuffer, bodyBuffer);
//流文件发送
if (request.InputStream != null)
{
_channel.WriteAsync(Unpooled.WrappedBuffer(newBuffer));
var stream = new FixChunkedStream(request.InputStream);
_channel.WriteAndFlushAsync(stream);
}
else
{
_channel.WriteAndFlushAsync(Unpooled.WrappedBuffer(newBuffer));
}
return(_taskCompletionSource.Task);
}
public override async ValueTask <FastDFSResp> SendRequestAsync <T>(FastDFSReq <T> request)
{
_tcs = new TaskCompletionSource <FastDFSResp>();
_resp = new T();
//上下文,当前的信息
_context = BuildContext <T>(request);
var bodyBuffer = request.EncodeBody(Configuration);
if (request.Header.Length == 0)
{
request.Header.Length = request.InputStream != null ? request.InputStream.Length + bodyBuffer.Length : bodyBuffer.Length;
}
var headerBuffer = request.Header.ToBytes();
var newBuffer = ByteUtil.Combine(headerBuffer, bodyBuffer);
//流文件发送
if (request.InputStream != null)
{
await _client.SendAsync(newBuffer);
using (request.InputStream)
{
var chunkSize = 8192;
while (true)
{
var availableBytes = request.InputStream.Length - request.InputStream.Position;
if (availableBytes <= 0)
{
break;
}
int readChunkSize = (int)Math.Min(chunkSize, availableBytes);
var buffers = new byte[readChunkSize];
_ = await request.InputStream.ReadAsync(buffers, 0, buffers.Length);
await _client.SendAsync(buffers);
}
}
}
else
{
await _client.SendAsync(newBuffer);
}
return(await _tcs.Task);
}
protected virtual TransportContext BuildContext <T>(FastDFSReq <T> request) where T : FastDFSResp, new()
{
var context = new TransportContext()
{
ReqType = request.GetType(),
RespType = typeof(T),
IsInputStream = request.InputStream != null,
IsOutputStream = request.IsOutputStream,
OutputFilePath = request.OutputFilePath
};
return(context);
}
/// <summary>请求执行器
/// </summary>
/// <typeparam name="T">请求的类型<see cref="FastDFSCore.Protocols.FastDFSReq"/></typeparam>
/// <param name="request">请求</param>
/// <param name="connectionAddress">返回</param>
/// <returns></returns>
public async Task <T> Execute <T>(FastDFSReq <T> request, ConnectionAddress connectionAddress = null) where T : FastDFSResp, new()
{
var connection = connectionAddress == null?_connectionManager.GetTrackerConnection() : _connectionManager.GetStorageConnection(connectionAddress);
if (connection == null)
{
throw new NullReferenceException($"Can't find connection,ipaddr:{connectionAddress} ");
}
connection.Open();
var response = await connection.SendRequestAsync <T>(request);
connection.Close();
return(response as T);
}
/// <summary>请求执行器
/// </summary>
/// <typeparam name="T">请求的类型<see cref="FastDFSReq"/></typeparam>
/// <param name="request">请求</param>
/// <param name="clusterName">集群名</param>
/// <param name="connectionAddress">返回</param>
/// <returns></returns>
public async ValueTask <T> Execute <T>(FastDFSReq <T> request, string clusterName, ConnectionAddress connectionAddress = null) where T : FastDFSResp, new()
{
var cluster = _clusterFactory.Get(clusterName);
var connection = connectionAddress == null?cluster.GetTrackerConnection() : cluster.GetStorageConnection(connectionAddress);
if (connection == null)
{
throw new NullReferenceException($"Can't find connection,ipaddr:{connectionAddress} ");
}
await connection.OpenAsync();
var response = await connection.SendRequestAsync <T>(request);
await connection.CloseAsync();
return(response as T);
}
public override Task <FastDFSResp> SendRequestAsync <T>(FastDFSReq <T> request)
{
_taskCompletionSource = new TaskCompletionSource <FastDFSResp>();
//上下文,当前的信息
_context = BuildContext <T>(request);
var bodyBuffer = request.EncodeBody(Option);
if (request.Header.Length == 0)
{
request.Header.Length = request.InputStream != null ? request.InputStream.Length + bodyBuffer.Length : bodyBuffer.Length;
}
var headerBuffer = request.Header.ToBytes();
var newBuffer = ByteUtil.Combine(headerBuffer, bodyBuffer);
//流文件发送
if (request.InputStream != null)
{
_client.SendAsync(newBuffer);
using (request.InputStream)
{
//设置缓冲区大小
byte[] buffers = new byte[1024 * 1024];
//读取一次
int r = request.InputStream.Read(buffers, 0, buffers.Length);
//判断本次是否读取到了数据
while (r > 0)
{
_client.SendAsync(buffers).AsTask().Wait();
r = request.InputStream.Read(buffers, 0, buffers.Length);
}
}
}
else
{
_client.SendAsync(newBuffer).AsTask().Wait();
}
return(_taskCompletionSource.Task);
}
/// <summary>发送数据
/// </summary>
public override async ValueTask <FastDFSResp> SendRequestAsync <T>(FastDFSReq <T> request)
{
if (!_channel.Active)
{
Logger.LogWarning("DotNetty connection, channel is inactive! {0}.", ConnectionAddress);
await DisconnectAsync();
throw new Exception("Current connection is inactive!");
}
_tcs = new TaskCompletionSource <FastDFSResp>();
_resp = new T();
//上下文,当前的信息
_context = BuildContext <T>(request);
var bodyBuffer = request.EncodeBody(Configuration);
if (request.Header.Length == 0)
{
request.Header.Length = request.InputStream != null ? request.InputStream.Length + bodyBuffer.Length : bodyBuffer.Length;
}
var headerBuffer = request.Header.ToBytes();
var newBuffer = ByteUtil.Combine(headerBuffer, bodyBuffer);
//流文件发送
if (request.InputStream != null)
{
await _channel.WriteAndFlushAsync(Unpooled.WrappedBuffer(newBuffer));
var stream = new FixChunkedStream(request.InputStream);
await _channel.WriteAndFlushAsync(stream);
}
else
{
await _channel.WriteAndFlushAsync(Unpooled.WrappedBuffer(newBuffer));
}
return(await _tcs.Task);
}
/// <summary>发送数据 /// </summary> /// <typeparam name="T"></typeparam> /// <param name="request"></param> /// <returns></returns> public abstract ValueTask <FastDFSResp> SendRequestAsync <T>(FastDFSReq <T> request) where T : FastDFSResp, new();