public override async Task <Empty> SetPowerActuals(global::Grpc.Core.IAsyncStreamReader <Power> requestStream, global::Grpc.Core.ServerCallContext context)
{
while (await requestStream.MoveNext())
{
var msg = requestStream.Current;
cst.Power.Actual = msg.Enabled;
}
return(new Empty());
}
/// <summary>
/// 上传文件
/// </summary>
/// <param name="requestStream">请求流</param>
/// <param name="responseStream">响应流</param>
/// <param name="context">站点上下文</param>
/// <returns></returns>
public override async Task FileUpload(global::Grpc.Core.IAsyncStreamReader <FileReply> requestStream, global::Grpc.Core.IServerStreamWriter <FileReturn> responseStream, global::Grpc.Core.ServerCallContext context)
{
List <string> lstFilesName = new List <string>(); //文件名
List <FileReply> lstContents = new List <FileReply>(); //数据集合
FileStream fs = null;
DateTime startTime = DateTime.Now;//开始时间
string mark = string.Empty;
string savePath = string.Empty;
try
{
//reply.Block数字的含义是服务器和客户端约定的
while (await requestStream.MoveNext())//读取数据
{
var reply = requestStream.Current;
mark = reply.Mark;
if (reply.Block == -2)//传输完成
{
Console.WriteLine($"{mark}，完成上传文件。共计【{lstFilesName.Count}】个，耗时：{DateTime.Now - startTime}");
break;
}
else if (reply.Block == -1) //取消了传输
{
Console.WriteLine($"文件【{reply.FileName}】取消传输！"); //写入日志
lstContents.Clear();
fs?.Close(); //释放文件流
if (!string.IsNullOrEmpty(savePath) && File.Exists(savePath)) //如果传输不成功，删除该文件
{
File.Delete(savePath);
}
savePath = string.Empty;
break;
}
else if (reply.Block == 0) //文件传输完成
{
if (lstContents.Any()) //如果还有数据，就写入文件
{
lstContents.OrderBy(c => c.Block).ToList().ForEach(c => c.Content.WriteTo(fs));
lstContents.Clear();
}
lstFilesName.Add(savePath); //传输成功的文件
fs?.Close(); //释放文件流
savePath = string.Empty;
//告知客户端，已经完成传输
await responseStream.WriteAsync(new FileReturn
{
FileName = reply.FileName,
Mark = mark
});
}
else
{
if (string.IsNullOrEmpty(savePath)) //有新文件来了
{
savePath = Path.GetFullPath(".//Files"); //文件路径
if (!Directory.Exists(savePath))
{
Directory.CreateDirectory(savePath);
}
savePath = Path.Combine(savePath, reply.FileName);
fs = new FileStream(savePath, FileMode.Create, FileAccess.ReadWrite);
Console.WriteLine($"{mark}，上传文件：{savePath}，{DateTime.UtcNow:HH:mm:ss:ffff}");
}
lstContents.Add(reply); //加入链表
if (lstContents.Count() >= 20) //每个包1M，20M为一个集合，一起写入数据。
{
lstContents.OrderBy(c => c.Block).ToList().ForEach(c => c.Content.WriteTo(fs));
lstContents.Clear();
}
}
}
}
catch (Exception ex)
{
Console.WriteLine($"{mark}，发生异常({ex.GetType()})：{ex.Message}");
}
finally
{
fs?.DisposeAsync();
}
}
public override Task <Empty> SetLocActuals(global::Grpc.Core.IAsyncStreamReader <Loc> requestStream, global::Grpc.Core.ServerCallContext context)
{
return(base.SetLocActuals(requestStream, context));
}
