public string[] GetAvailableFiles()
{
using (var client = new FileServerService.FileServerClient())
{
return(client.GetAvailableFiles());
}
}
public Stream GetFile(string filename)
{
Trace.TraceInformation("Received request for file: " + filename);
string filePath = Path.Combine(CACHE_DIR, filename);
// Retrieve file from server if it doesn't exist in cache
if (!File.Exists(filePath))
{
Trace.TraceInformation("File not found in cache, requesting from server...");
using (var client = new FileServerService.FileServerClient())
{
Directory.CreateDirectory(Path.GetDirectoryName(filePath));
using (var outFileStream = new FileStream(filePath, FileMode.Create))
{
client.GetFile(filename).CopyTo(outFileStream);
}
}
Trace.TraceInformation("File cached at " + filePath);
}
else
{
Trace.TraceInformation("File found in cache at " + filePath);
}
// Serve file from cache
Trace.TraceInformation("Serving file from cache...");
try
{
var file = File.OpenRead(filePath);
return(file);
}
catch (IOException ex)
{
Trace.TraceError(String.Format("An exception was thrown while trying to open file {0}", filePath));
Trace.TraceError("Exception is: ");
Trace.TraceError(ex.ToString());
throw;
}
}
