private void bwFetchManifest_DoWork(object sender, DoWorkEventArgs e)
{
try
{
var remoteUri = new Uri(this._localConfig.RemoteConfigUri);
Log.Write("Fetching '{0}'.", remoteUri.AbsoluteUri);
var http = new Fetch {
Retries = 5, RetrySleep = 30000, Timeout = 30000
};
http.Load(remoteUri.AbsoluteUri);
if (!http.Success)
{
Log.Write("Fetch error: {0}", http.Response.StatusDescription);
this._remoteConfig = null;
return;
}
string data = Encoding.UTF8.GetString(http.ResponseData);
this._remoteConfig = new Manifest(data);
if (this._remoteConfig == null)
{
return;
}
if (this._localConfig.SecurityToken != this._remoteConfig.SecurityToken)
{
Log.Write("Security token mismatch.");
return;
}
Log.Write("Remote config is valid.");
Log.Write("Local version is {0}.", this._localConfig.Version);
Log.Write("Remote version is {0}.", this._remoteConfig.Version);
if (this._remoteConfig.Version == this._localConfig.Version)
{
Log.Write("Versions are the same.");
Log.Write("Check ending.");
return;
}
if (this._remoteConfig.Version < this._localConfig.Version)
{
Log.Write("Remote version is older. That's weird.");
Log.Write("Check ending.");
return;
}
Log.Write("Remote version is newer. Updating.");
ManifestSuccess = true;
}
catch
{
ManifestSuccess = false;
}
}
private void bwFetchPayload_DoWork(object sender, DoWorkEventArgs e)
{
_updating = true;
Log.Write("Updating '{0}' files.", this._remoteConfig.Payloads.Length);
// Clean up failed attempts.
if (Directory.Exists(WorkPath))
{
Log.Write("WARNING: Work directory already exists.");
try
{
Directory.Delete(WorkPath, true);
}
catch (IOException)
{
Log.Write("Cannot delete open directory '{0}'.", WorkPath);
return;
}
}
Directory.CreateDirectory(WorkPath);
// Download files in manifest.
try
{
foreach (string update in this._remoteConfig.Payloads)
{
Log.Write("Fetching '{0}'.", update);
var url = this._remoteConfig.BaseUri + update;
var file = Fetch.Get(url);
if (file == null)
{
Log.Write("Fetch failed.");
}
else
{
var info = new FileInfo(Path.Combine(WorkPath, update));
Directory.CreateDirectory(info.DirectoryName);
File.WriteAllBytes(Path.Combine(WorkPath, update), file);
}
}
}
catch (Exception ex)
{
Log.Write("Fetch failed " + ex.Message);
return;
}
PayloadSuccess = true;
_updating = false;
Log.Write("Check ending.");
}