/// <summary>
/// Process returns a copy of the media database, and can be used to return SQL deltas to update
/// the local copy of the media database
/// </summary>
public void Process(UriWrapper uri, IHttpProcessor processor, User user)
{
// If ID set, return all queries >= this id
if (uri.Id != null)
{
processor.WriteJson(new DatabaseResponse(null, Injection.Kernel.Get <IDatabase>().QueryLogsSinceId((int)uri.Id)));
return;
}
// No id parameter, so send down the whole backup database
long databaseLastQueryId = -1;
string databaseFileName = DatabaseBackup.Backup(out databaseLastQueryId);
// Verify database filename present
if ((object)databaseFileName == null)
{
processor.WriteErrorHeader();
return;
}
try
{
// Read in entire database file
Stream stream = new FileStream(ServerUtility.RootPath() + databaseFileName, FileMode.Open, FileAccess.Read);
long length = stream.Length;
int startOffset = 0;
// Handle the Range header to start from later in the file if connection interrupted
if (processor.HttpHeaders.ContainsKey("Range"))
{
string range = (string)processor.HttpHeaders["Range"];
string start = range.Split(new char[] { '-', '=' })[1];
logger.IfInfo("Connection retried. Resuming from " + start);
startOffset = Convert.ToInt32(start);
}
// We send the last query id as a custom header
IDictionary <string, string> customHeader = new Dictionary <string, string>();
customHeader["WaveBox-LastQueryId"] = databaseLastQueryId.ToString();
// Send the database file
processor.WriteFile(stream, startOffset, length, "application/octet-stream", customHeader, true, new FileInfo(ServerUtility.RootPath() + databaseFileName).LastWriteTimeUtc);
stream.Close();
}
catch
{
// Send JSON on error
processor.WriteJson(new DatabaseResponse("Could not open backup database " + databaseFileName, null));
}
return;
}
public string SettingsPath()
{
return(ServerUtility.RootPath() + settingsFileName);
}