private static async Task ReadFileAsync(RetryContext context)
{
try
{
using (FileStream stream = new FileStream("test.txt", FileMode.Open, FileAccess.Read, FileShare.ReadWrite, 256, true))
{
byte[] buffer = new byte[4];
int bytesRead = await stream.ReadAsync(buffer, 0, buffer.Length);
if (bytesRead == buffer.Length)
{
string text = Encoding.ASCII.GetString(buffer);
Log("ReadFileAsync read '{0}'", text);
context.Add("Text", text);
}
else
{
Log("ReadFileAsync read only {0} bytes.", bytesRead);
}
}
}
catch (Exception e)
{
Log("ReadFileAsync error: {0}: {1}", e.GetType().Name, e.Message);
throw;
}
}
public static async Task AddAsync <TResult>(this RetryContext context, string name, Task <TResult> task)
{
TResult result = await task;
context.Add(name, result);
}