//Обработка отдельного соединения
private void ProcessConnection(object state)
{
ConnectionInfo connection = (ConnectionInfo)state;
try
{
bool flag = true;
do
{
string cmd = connection.Reader.ReadString();
if (cmd.Contains(MessageClientServer.CONNECT))
{
try
{
string[] str = cmd.Split(' ');
connection.HostName = str[1];
Console.WriteLine("Соединение с {0} \n", connection.HostName);
SignalCool(connection);
}catch(Exception er)
{
Console.WriteLine(er.ToString());
SignalNoCool(connection);
}
}
else
{
if (cmd.Contains(MessageClientServer.START)) //Cигнал на загрузку файла
{
string[] str = cmd.Split(' ');
string uri = str[1];
int maxThread = Convert.ToInt32(str[2]);
Download d = new Download(uri,maxThread);
d.Proxy = this.proxy;
string filename = string.Empty;
d.FileName=MessageClientServer.GenerateFileNameFromUri(uri);
d.HostName = connection.HostName;
d.id = connection.id;
d.DownloadPath = d.DownloadPath + @"\"+d.FileName;
d.DownloadCompleted += DownloadCompleted;
d.DownloadProgressChanged += DownloadProgressChanged;
d.StatusChanged += StatusChanging;
d.BeginDownload();
sf.Add(d);
Console.WriteLine("{0}:Стартовать загрузку {1} \n", connection.HostName,uri);
StatusChanged(d);
}
else
{
if (cmd.Contains(MessageClientServer.LAST)) //Cигнал на загрузку имеющегося файла
{
string[] str = cmd.Split(' ');
string uri = str[1];
for (int i = 0; i < sf.Count; i++)
{
if (sf[i].Url.AbsoluteUri == uri)
{
sf[i].BeginResume();
Console.WriteLine("{0}:Стартовать имеющуюся загрузку {1} \n", connection.HostName, uri);
StatusChanged(sf[i]);
}
}
}
else
{
if (cmd.Contains(MessageClientServer.STOP)) //Стоп загрузки
{
string[] str = cmd.Split(' ');
string uri = str[1];
for (int i = 0; i < sf.Count; i++)
{
if (sf[i].Url.AbsoluteUri == uri)
{
sf[i].Cancel();
Console.WriteLine("{0}:Остановить загрузку {1} \n", connection.HostName, uri);
StatusChanged(sf[i]);
}
}
}
else
{
if (cmd.Contains(MessageClientServer.PAUSE)) //Пауза загрузки
{
string[] str = cmd.Split(' ');
string uri = str[1];
for (int i = 0; i < sf.Count; i++)
{
if (sf[i].Url.AbsoluteUri == uri)
{
sf[i].Pause();
Console.WriteLine("{0}:Приостановить загрузку {1} \n", connection.HostName, uri);
StatusChanged(sf[i]);
}
}
}
else
{
if (cmd.Contains(MessageClientServer.DELETE)) //Удаление
{
string[] str = cmd.Split(' ');
string uri = str[1];
int[] tmp = new int[sf.Count];
int k = 0;
for (int i = 0; i < tmp.Length; i++)
tmp[i] = -1;
for (int i = 0; i < sf.Count; i++)
{
if (sf[i].Url.AbsoluteUri == uri && sf[i].HostName == connection.HostName)
{
try
{
if (File.Exists(sf[i].DownloadPath))
File.Delete(sf[i].DownloadPath);
}
catch (Exception ex)
{
Console.WriteLine("Невозможно удалить файл | " + ex.Message);
}
// sf[i].Cancel();
Console.WriteLine("{0}:Удалить загрузку {1} \n", connection.HostName, uri);
tmp[k] = i; k++;
}
}
if (tmp != null)
{
for (int i = tmp.Length - 1; i >= 0; i--)
{
if (tmp[i] != -1)
{
sf.RemoveAt(tmp[i]);
}
}
}
}
else
{
switch (cmd)
{
//Хост разрывает соединение
case MessageClientServer.CLOSE_CONNECT:
{
Console.WriteLine("Клиент {0} отключился.", connection.HostName);
flag = false;
break;
}
}
}
}
}
}
}
}
} while (flag && connection.Socket.Connected);
}
catch (SocketException exp)
{
Console.WriteLine(string.Format("SocketException на хосте: {0} - {1}", connection.HostName, exp.Message));
}
catch (Exception exp)
{
Console.WriteLine(string.Format("Exception на хосте: {0} - {1}", connection.HostName, exp.Message));
}
finally
{
connection.Writer.Close();
connection.Reader.Close();
connection.Stream.Close();
connection.Socket.Close();
lock (_connections)
_connections.Remove(connection);
SaveDownloadList("download.xml");
}
}
/// <summary>
/// Загужает данные о закачке из xml файла
/// </summary>
/// <param name="reader"></param>
/// <returns></returns>
public static Download FromXml(XmlReader reader)
{
Download result = new Download();
reader.ReadStartElement("download");
if (reader.Name != "uri") throw new FormatException();
result.Url = new Uri(reader.ReadString());
reader.Read();
if (reader.Name != "filePath") throw new FormatException();
string filePath = reader.ReadString();
result.DownloadPath = Path.GetDirectoryName(filePath);
result.FileName = Path.GetFileName(filePath);
reader.Read();
if (reader.Name != "size") throw new FormatException();
result.TotalSize = Int64.Parse(reader.ReadString());
reader.Read();
if (reader.Name != "startpoint") throw new FormatException();
result.StartPoint = long.Parse(reader.ReadString());
reader.Read();
if (reader.Name != "endpoint") throw new FormatException();
result.EndPoint= long.Parse(reader.ReadString());
reader.Read();
if (reader.Name != "downloadState") throw new FormatException();
result.Status = (StateDownload)(Convert.ToInt32(reader.ReadString()));
//reader.Read();
reader.ReadEndElement();
return result;
}
public static void StatusChanged(Download downloader)
{
switch (downloader.Status)
{
case StateDownload.Downloading:
SignalFileDownload(downloader.HostName, downloader.id, downloader.Url.AbsoluteUri, downloader.TotalSize);
break;
case StateDownload.Stopped:
SignalStop(downloader.HostName, downloader.id, downloader.Url.AbsoluteUri,downloader.TotalSize);
break;
case StateDownload.Completed:
SignalCompleted(downloader.HostName, downloader.id, downloader.Url.AbsoluteUri, downloader.TotalSize);
break;
case StateDownload.Paused:
SignalPaused(downloader.HostName, downloader.id, downloader.Url.AbsoluteUri, downloader.TotalSize);
break;
case StateDownload.Nofile:
SignalNOFileDownload(downloader.HostName, downloader.id, downloader.Url.AbsoluteUri);
break;
}
if (downloader.Status == StateDownload.Paused)
{
string tmp=
String.Format("Отправлено: {0}KB, Общий размер: {1}KB, Время: {2}:{3}:{4}",
downloader.DownloadedSize / 1024, downloader.TotalSize / 1024,
downloader.TotalUsedTime.Hours, downloader.TotalUsedTime.Minutes,
downloader.TotalUsedTime.Seconds);
Console.WriteLine(tmp+"\n");
}
}
