public Topic(string topicName, IFileSystem fileSystem)
{
if (!Regex.IsMatch(topicName, @"^[\d\-\.a-z_]*$"))
{
throw new InvalidTopicNameException($"'{topicName} is not valid.");
}
fileSystem.Activate();
_guard = new ExecutionGuard();
Name = topicName.NotNullOrEmpty(nameof(topicName));
_fileSystem = fileSystem.NotNull(nameof(fileSystem));
_groupConsumers = new Dictionary <string, Group>();
LoadGroupIndexs();
// find the product offset on startup
_produceOffset = 0;
using (var reader = _fileSystem.OpenIndexReader())
{
if (reader.BaseStream.Length >= sizeof(long))
{
reader.BaseStream.Seek(sizeof(long), SeekOrigin.End);
_produceOffset = reader.ReadInt64();
}
}
_produceIndexWriter = _fileSystem.OpenIndexWriter();
_produceIndexWriter.BaseStream.Seek(0, SeekOrigin.End);
_produceMessageWriter = _fileSystem.OpenMessageFileWriter(_produceOffset);
_produceMessageWriter.BaseStream.Seek(0, SeekOrigin.End);
}
public SocketServer()
{
Guard = new ExecutionGuard();
Clients = new Dictionary <long, SocketClient>();
}
