/// <summary>
/// Initializes a new instance of the <see cref="LogArchiveTracer"/> class.
/// </summary>
/// <param name="log">The log file this tracer traces to.</param>
public LogArchiveTracer(PageableLog log)
{
this.log = log;
this.logZipArchive = ZipFile.Open(this.log.ArchiveFileName, ZipArchiveMode.Update);
ZipArchiveEntry logFileEntry = this.logZipArchive.Entries.FirstOrDefault(entry => entry.Name == this.log.Name) ??
this.logZipArchive.CreateEntry(this.log.Name, CompressionLevel.Optimal);
this.logFileStream = logFileEntry.Open();
this.tracerStreamWriter = new StreamWriter(this.logFileStream);
}
/// <summary>
/// Returns the requested log from the archive. If the log does not exist, a new empty log will be created and returned.
/// </summary>
/// <param name="logName">The name of the requested log.</param>
/// <param name="initialPageSize">The log's initial page size</param>
/// <returns>A <see cref="Task"/> running the asynchronous operation, returning the requested log.</returns>
public async Task <IPageableLog> GetLogAsync(string logName, int initialPageSize)
{
IPageableLog log = await PageableLog.LoadLogFileAsync(this.archiveFileName, logName, initialPageSize);
if (!this.LogNames.Contains(log.Name))
{
this.LogNames.Add(log.Name);
}
return(log);
}