public override async Task <DirectoryInfo> DownloadAsync(DownloadableVersionModel version, string savePath, IProgress <int> progress, CancellationToken cancellationToken)
{
_logger.LogDebug("{0}: Downloading {1} to {2}", nameof(ApiDonwloadService), version.DownloadPath, savePath);
int bytesRead = 0;
byte[] buffer = new byte[1024];
var contentLength = await GetContentLength(version.DownloadPath);
if (cancellationToken.IsCancellationRequested)
{
CleanUpDownload(savePath);
}
var progressValue = 0;
using (var httpClient = new HttpClient())
{
httpClient.BaseAddress = new Uri(version.DownloadPath);
HttpResponseMessage response = await httpClient.GetAsync(version.DownloadPath);
if (response.IsSuccessStatusCode)
{
var responseStream = await response.Content.ReadAsStreamAsync();
using (FileStream fs = new FileStream(savePath, FileMode.CreateNew))
{
while (!cancellationToken.IsCancellationRequested)
{
bytesRead = await responseStream.ReadAsync(buffer, 0, buffer.Length);
progressValue = (int)(fs.Position / (contentLength * 1m) * 100);
if (bytesRead == 0)
{
progress.Report(100);
break;
}
await fs.WriteAsync(buffer, 0, bytesRead);
progress.Report(progressValue);
}
}
}
else
{
throw new FileNotFoundException(version.DownloadPath);
}
}
if (cancellationToken.IsCancellationRequested)
{
CleanUpDownload(savePath);
}
return(new DirectoryInfo(savePath));
}
public virtual async Task <DownloadableVersionModel> GetLatestVersionModel()
{
_logger.LogDebug("{0}: Getting latest version model", nameof(BaseDownloadService));
var versions = await GetAllAvailableVersions();
DownloadableVersionModel latestVersion = null;
foreach (var version in versions)
{
if (latestVersion == null || version.Version.CompareTo(latestVersion.Version) > 0)
{
latestVersion = version;
}
}
return(latestVersion);
}
public abstract Task <DirectoryInfo> DownloadAsync(DownloadableVersionModel version, string savePath, IProgress <int> progress, CancellationToken cancellationToken);
public override async Task <DirectoryInfo> DownloadAsync(DownloadableVersionModel version, string savePath, IProgress <int> progress, CancellationToken cancellationToken)
{
_logger.LogDebug("{0}: Downloading {1} to {2} [{progress}]", nameof(FtpDownloadService), version.DownloadPath, savePath, progress);
int bytesRead = 0;
byte[] buffer = new byte[1024];
string downloadPath = $"{_ftpConfig.Server}{version.FileName}";
var contentLength = await GetContentLength(downloadPath);
if (cancellationToken.IsCancellationRequested)
{
return(new DirectoryInfo(savePath));
}
var progressValue = 0;
var request = (FtpWebRequest)WebRequest.Create(downloadPath);
request.Method = WebRequestMethods.Ftp.DownloadFile;
request.UsePassive = true;
request.UseBinary = true;
request.KeepAlive = true;
request.Credentials = new NetworkCredential(_ftpConfig.Username, _ftpConfig.Password);
var response = (FtpWebResponse)request.GetResponse();
try
{
Stream responseStream = response.GetResponseStream();
using (FileStream fs = new FileStream(savePath, FileMode.CreateNew))
{
while (!cancellationToken.IsCancellationRequested)
{
bytesRead = await responseStream.ReadAsync(buffer, 0, buffer.Length);
progressValue = (int)(fs.Position / (contentLength * 1m) * 100);
if (bytesRead == 0)
{
progress.Report(100);
break;
}
await fs.WriteAsync(buffer, 0, bytesRead);
progress.Report(progressValue);
}
}
responseStream.Close();
if (cancellationToken.IsCancellationRequested)
{
CleanUpDownload(savePath);
}
}
catch (IOException ex)
{
_logger.LogError(ex, $"Downloading {downloadPath} failed.");
}
return(new DirectoryInfo(savePath));
}
