public virtual void Open()
{
if (didopen)
{
throw new Exception("Attempted to Open after already Open");
}
didopen = true;
string portfilename = null;
System.IO.FileStream portfile = null;
try
{
Socket lsock = new Socket(AddressFamily.InterNetwork, SocketType.Stream, ProtocolType.Tcp);
IPEndPoint lipep;
//int lptests = 0;
for (; ; )
{
// Try a few ports...
lipep = new IPEndPoint(IPAddress.Any, GetSlavePort());
try
{
System.Threading.Mutex lm = new System.Threading.Mutex(false, "DODLL_Listen{2FDD7284-14A8-4f4d-8448-0CE229C1E596}");
lm.WaitOne();
try
{
string spf = lipep.Port.ToString() + ".pf";
if (System.IO.File.Exists(spf))
{
continue;
}
lsock.Bind(lipep);
lsock.Listen(2);
portfile = new System.IO.FileStream(spf, System.IO.FileMode.Create, System.IO.FileAccess.Write,
System.IO.FileShare.Delete, 8, System.IO.FileOptions.DeleteOnClose);
portfilename = spf;
}
finally
{
lm.ReleaseMutex();
}
}
catch (SocketException e)
{
//if (++lptests < 4)
{
continue;
}
//throw new Exception(e.ToString() + " [Note: ensure port " + lipep.Port.ToString() + " is free / not blocked (ports >= " + SlavePortMin.ToString() + ")]");
}
break;
}
#if DEBUG
this.OpenPort = lipep.Port;
lock (AllOpenPorts)
{
AllOpenPorts.Add(this.OpenPort);
}
#endif
foreach (SlaveInfo slave in dslaves)
{
NetworkStream servStm = null;
#if DEBUGfailtest
bool failtest = true;
#else
const bool failtest = false;
#endif
for (; ; )
{
Socket servSock = new Socket(AddressFamily.InterNetwork, SocketType.Stream, ProtocolType.Tcp);
servSock.Connect(slave.blockinfo[3], 55900);
servStm = new XNetworkStream(servSock);
servStm.WriteByte((byte)'B'); // AddBlock.
XContent.SendXContent(servStm, slave.sblockinfo);
XContent.SendXContent(servStm, lipep.Port.ToString());
XContent.SendXContent(servStm, sjid + ":" + Convert.ToBase64String(Encoding.UTF8.GetBytes(jobdesc)));
{
int rB = servStm.ReadByte();
if ('+' != rB)
{
if ('_' == rB)
{
throw new Exception("Error returned from AddBlock: " + XContent.ReceiveXString(servStm, null));
}
else
{
throw new Exception("AddBlock failure");
}
}
}
// 30000000 microseconds == 30 seconds
if (failtest || !lsock.Poll(30000000, SelectMode.SelectRead))
{
#if DEBUGfailtest
failtest = false;
#endif
servStm.Close();
continue;
}
Socket slaveSock = lsock.Accept();
slave.nstm = new XNetworkStream(slaveSock);
break;
}
if (1 != slave.nstm.ReadByte())
{
throw new Exception("Sub process connection error: invalid handshake [Non-sub-process connection?]");
}
{
int len;
byte[] bpid = XContent.ReceiveXBytes(slave.nstm, out len, null);
if (len < 4)
{
throw new Exception("Sub process connection error: invalid SlavePID handshake");
}
slave.pid = BytesToInt(bpid);
}
servStm.WriteByte((byte)'\\');
servStm.Close(1000);
}
lsock.Close();
}
catch (FormatException e)
{
throw new FormatException("Format error in Open: " + e.ToString());
}
catch (Exception e)
{
throw new Exception("Error in Open: " + e.ToString() + " [Note: ensure the Windows service is running]");
}
finally
{
#if DEBUG
if (0 != this.OpenPort)
{
lock (AllOpenPorts)
{
AllOpenPorts.Remove(this.OpenPort);
}
}
#endif
if (null != portfile)
{
System.Threading.Mutex lm = new System.Threading.Mutex(false, "DODLL_Listen{2FDD7284-14A8-4f4d-8448-0CE229C1E596}");
lm.WaitOne();
try
{
if (null != portfile)
{
portfile.Close();
}
System.IO.File.Delete(portfilename);
}
catch
{
}
finally
{
lm.ReleaseMutex();
}
}
}
}
public virtual void Open()
{
if (didopen)
{
throw new Exception("Attempted to Open after already Open");
}
didopen = true;
string portfilename = null;
System.IO.FileStream portfile = null;
try
{
Socket lsock = new Socket(AddressFamily.InterNetwork, SocketType.Stream, ProtocolType.Tcp);
IPEndPoint lipep;
//int lptests = 0;
for (; ;)
{
// Try a few ports...
lipep = new IPEndPoint(IPAddress.Any, GetSlavePort());
try
{
System.Threading.Mutex lm = new System.Threading.Mutex(false, "DODLL_Listen{2FDD7284-14A8-4f4d-8448-0CE229C1E596}");
lm.WaitOne();
try
{
string spf = lipep.Port.ToString() + ".pf";
if (System.IO.File.Exists(spf))
{
continue;
}
lsock.Bind(lipep);
lsock.Listen(2);
portfile = new System.IO.FileStream(spf, System.IO.FileMode.Create, System.IO.FileAccess.Write,
System.IO.FileShare.Delete, 8, System.IO.FileOptions.DeleteOnClose);
portfilename = spf;
}
finally
{
lm.ReleaseMutex();
}
}
catch (SocketException e)
{
//if (++lptests < 4)
{
continue;
}
//throw new Exception(e.ToString() + " [Note: ensure port " + lipep.Port.ToString() + " is free / not blocked (ports >= " + SlavePortMin.ToString() + ")]");
}
break;
}
#if DEBUG
this.OpenPort = lipep.Port;
lock (AllOpenPorts)
{
AllOpenPorts.Add(this.OpenPort);
}
#endif
foreach (SlaveInfo slave in dslaves)
{
NetworkStream servStm = null;
#if DEBUGfailtest
bool failtest = true;
#else
const bool failtest = false;
#endif
for (; ;)
{
Socket servSock = new Socket(AddressFamily.InterNetwork, SocketType.Stream, ProtocolType.Tcp);
servSock.Connect(slave.blockinfo[3], 55900);
servStm = new XNetworkStream(servSock);
servStm.WriteByte((byte)'B'); // AddBlock.
XContent.SendXContent(servStm, slave.sblockinfo);
XContent.SendXContent(servStm, lipep.Port.ToString());
XContent.SendXContent(servStm, sjid + ":" + Convert.ToBase64String(Encoding.UTF8.GetBytes(jobdesc)));
{
int rB = servStm.ReadByte();
if ('+' != rB)
{
if ('_' == rB)
{
throw new Exception("Error returned from AddBlock: " + XContent.ReceiveXString(servStm, null));
}
else
{
throw new Exception("AddBlock failure");
}
}
}
// 30000000 microseconds == 30 seconds
if (failtest || !lsock.Poll(30000000, SelectMode.SelectRead))
{
#if DEBUGfailtest
failtest = false;
#endif
servStm.Close();
continue;
}
Socket slaveSock = lsock.Accept();
slave.nstm = new XNetworkStream(slaveSock);
break;
}
if (1 != slave.nstm.ReadByte())
{
throw new Exception("Sub process connection error: invalid handshake [Non-sub-process connection?]");
}
{
int len;
byte[] bpid = XContent.ReceiveXBytes(slave.nstm, out len, null);
if (len < 4)
{
throw new Exception("Sub process connection error: invalid SlavePID handshake");
}
slave.pid = BytesToInt(bpid);
}
servStm.WriteByte((byte)'\\');
servStm.Close(1000);
}
lsock.Close();
}
catch (FormatException e)
{
throw new FormatException("Format error in Open: " + e.ToString());
}
catch (Exception e)
{
throw new Exception("Error in Open: " + e.ToString() + " [Note: ensure the Windows service is running]");
}
finally
{
#if DEBUG
if (0 != this.OpenPort)
{
lock (AllOpenPorts)
{
AllOpenPorts.Remove(this.OpenPort);
}
}
#endif
if (null != portfile)
{
System.Threading.Mutex lm = new System.Threading.Mutex(false, "DODLL_Listen{2FDD7284-14A8-4f4d-8448-0CE229C1E596}");
lm.WaitOne();
try
{
if (null != portfile)
{
portfile.Close();
}
System.IO.File.Delete(portfilename);
}
catch
{
}
finally
{
lm.ReleaseMutex();
}
}
}
}