internal void fillcurfromnextbuf()
{
if (nextbufpos + 12 > nextbufend)
{
throw new Exception("Unaligned values (enumeration buffer)");
}
currun = 1;
cur.A = DistObjectBase.BytesToLong(nextbuf, nextbufpos);
cur.B = DistObjectBase.BytesToInt(nextbuf, nextbufpos + 8);
nextbufpos += 12;
}
internal void fillcurfromnextbuf()
{
if (nextbufpos + 8 + 2 > nextbufend)
{
throw new Exception("Unaligned values (enumeration buffer)");
}
currun = MySpace.DataMining.DistributedObjects.Entry.BytesToInt16(nextbuf, nextbufpos);
cur.A = DistObjectBase.BytesToInt(nextbuf, nextbufpos + 2);
cur.B = DistObjectBase.BytesToInt(nextbuf, nextbufpos + 2 + 4);
nextbufpos += 8 + 2;
}
// Returns -1 if no such key.
public int Length(byte[] key)
{
if (!didopen)
{
throw new Exception("Must Open before writing to Hashtable");
}
int slaveID = DetermineSlave(key);
if (slaveID < 0 || slaveID >= dslaves.Count)
{
throw new Exception("Sub process missing: subProcessID needed: " + slaveID.ToString());
}
SlaveInfo slave = dslaves[slaveID];
lock (slave)
{
// 'l' for get length
slave.nstm.WriteByte((byte)'l');
XContent.SendXContent(slave.nstm, key);
// Replies with tag '+' and xcontent length; or tag '-' if not exists.
byte[] result = null;
int len;
int x = slave.nstm.ReadByte();
if ('+' == x)
{
result = XContent.ReceiveXBytes(slave.nstm, out len, buf);
return(DistObjectBase.BytesToInt(result)); // Only reads first one.
}
else if ('-' == x)
{
//result = null;
return(-1);
}
else
{
throw new Exception("Server returned invalid response for l (Length)");
}
}
}
public void Length(byte[] key, int setlength)
{
if (!didopen)
{
throw new Exception("Must Open before writing to Hashtable");
}
int slaveID = DetermineSlave(key);
if (slaveID < 0 || slaveID >= dslaves.Count)
{
throw new Exception("Sub process missing: subProcessID needed: " + slaveID.ToString());
}
SlaveInfo slave = dslaves[slaveID];
lock (slave)
{
// 'L' for set length
slave.nstm.WriteByte((byte)'L');
XContent.SendXContent(slave.nstm, key);
XContent.SendXContent(slave.nstm, DistObjectBase.ToBytes(setlength));
// Note: no confirmation
}
}
public void SetFromArray(byte[] buf)
{
A = DistObjectBase.BytesToLong(buf, 0);
B = DistObjectBase.BytesToInt(buf, 8);
}
public void CopyToArray(byte[] buf)
{
DistObjectBase.LongToBytes(A, buf, 0);
DistObjectBase.ToBytes(B, buf, 8);
}
public void SetFromArray(byte[] buf, int offset)
{
A = DistObjectBase.BytesToLong(buf, offset + 0);
B = DistObjectBase.BytesToInt(buf, offset + 8);
}
public void CopyToArray(byte[] buf, int offset)
{
DistObjectBase.LongToBytes(A, buf, offset + 0);
DistObjectBase.ToBytes(B, buf, offset + 8);
}
protected override void ProcessCommand(NetworkStream nstm, char tag)
{
//string s;
int len;
switch (tag)
{
case 'e': // Batch 'get next' enumeration.
{
try
{
int ienumid = nstm.ReadByte();
if (ienumid >= 0)
{
byte enumid = (byte)ienumid;
if (enumid >= this.enums.Length)
{
nstm.WriteByte((byte)'-');
}
else
{
if (null == this.enums[enumid])
{
this.enums[enumid] = new IntComboListPartEnumerator(this);
}
int offset = 0;
if (null == buf || buf.Length < 40)
{
throw new Exception("Enumeration batch buffer too small!");
}
//if (uniquecompression) // Compressed...
{
for (; ;)
{
if (!this.enums[enumid].MoveNext())
{
break;
}
B8 b8 = this.enums[enumid].Current;
int nrow = 1;
while (this.enums[enumid].MoveNext())
{
B8 b8next = this.enums[enumid].Current;
if (b8.A != b8next.A || b8.B != b8next.B) //if (b8 != b8next)
{
this.enums[enumid].MoveBack(); // !
break;
}
nrow++;
}
if (nrow < mindupes)
{
continue;
}
if (nrow > Int16.MaxValue)
{
nrow = Int16.MaxValue;
}
// Using Big Endian!
MySpace.DataMining.DistributedObjects.Entry.Int16ToBytes((Int16)nrow, buf, offset);
b8.CopyToArray(buf, offset + 2);
offset += 8 + 2;
if (offset + 8 + 2 > buf.Length)
{
break;
}
}
}
if (offset > 0)
{
nstm.WriteByte((byte)'+');
XContent.SendXContent(nstm, buf, offset);
}
else
{
nstm.WriteByte((byte)'-');
}
}
}
}
catch
{
nstm.WriteByte((byte)'-');
throw;
}
}
break;
case 'n': // Reset next in enumeration..
{
int ienumid = nstm.ReadByte();
if (ienumid >= 0)
{
byte enumid = (byte)ienumid;
if (XLog.logging)
{
XLog.log("Starting enumeration (enumid:" + enumid.ToString() + ")");
}
if (enumid < this.enums.Length &&
null != this.enums[enumid])
{
//this.enums[enumid].Reset();
this.enums[enumid] = null;
}
}
}
break;
case 's':
{
try
{
#if ENABLE_TIMING
long start = 0;
if (XLog.logging)
{
QueryPerformanceCounter(out start);
}
#endif
int readbuflen = 1048576;
if (null != DistributedObjectsSlave.xslave)
{
System.Xml.XmlNode xzblocks = DistributedObjectsSlave.xslave["zblocks"];
if (null != xzblocks)
{
{
System.Xml.XmlAttribute xzbs = xzblocks.Attributes["readbuffersize"];
if (null != xzbs)
{
readbuflen = DistributedObjectsSlave.ParseCapacity(xzbs.Value);
}
}
}
}
foreach (ZBlock zb in zblocks)
{
zb.LeaveAddMode(readbuflen);
}
foreach (ZBlock zb in zblocks)
{
zb.Sort(b8buffer, this.buf);
}
#if ENABLE_TIMING
if (XLog.logging)
{
long stop;
QueryPerformanceCounter(out stop);
long freq;
if (QueryPerformanceFrequency(out freq))
{
long secs = (stop - start) / freq;
if (secs > 10)
{
XLog.log("IntComboListPart sort seconds: " + secs.ToString());
}
}
}
#endif
}
finally
{
nstm.WriteByte((byte)'+');
}
}
break;
case 'p': // Batch push/publish...
{
buf = XContent.ReceiveXBytes(nstm, out len, buf);
uint gbfree = (uint)(GetCurrentDiskFreeBytes() / 1073741824);
#if DEBUG
{
string computer_name = System.Environment.GetEnvironmentVariable("COMPUTERNAME");
if (computer_name == "MAPDDRULE" || computer_name == "MAPDCMILLER" || computer_name == "MAPDCLOK")
{
gbfree = uint.MaxValue;
}
}
#endif
if (gbfree > 20)
{
int pcount = len / 8; // size of B8
int y = 0;
for (int i = 0; i != pcount; i++)
{
TimedAdd(buf, y);
y += 8;
}
}
else
{
if (!nofreedisklog)
{
nofreedisklog = true;
XLog.errorlog("Low free disk space; now dropping entries.");
}
}
}
break;
case 'M':
{
buf = XContent.ReceiveXBytes(nstm, out len, buf);
if (4 == len)
{
this.mindupes = DistObjectBase.BytesToInt(buf);
}
}
break;
default:
base.ProcessCommand(nstm, tag);
break;
}
}
// args: <ipaddr> <portnum> <typechar> <capacity> <logfile> <jid>
static void Main(string[] args)
{
MySpace.DataMining.AELight.Surrogate.LogonMachines();
try
{
#if DEBUGnoisy
XLog.errorlog("DistributedObjectsSlave EntryPoint: " + Environment.CommandLine);
#endif
#if DEBUG
//System.Threading.Thread.Sleep(1000 * 8);
{
//string computer_name = System.Environment.GetEnvironmentVariable("COMPUTERNAME");
//if (computer_name == "MAPDDRULE" || computer_name == "MAPDCMILLER")
{
if (System.IO.File.Exists("sleep.txt"))
{
System.Threading.Thread.Sleep(1000 * 8);
int i32 = 1 + 32;
}
}
}
#endif
#if DEBUG
SetPriorityClass(GetCurrentProcess(), BELOW_NORMAL_PRIORITY_CLASS);
#endif
XLog.UserLogFile = args[4];
if (XLog.UserLogFile.StartsWith("&"))
{
XLog.UserLogFile = XLog.UserLogFile.Substring(1);
XLog.DelimitUserErrors = true;
}
#if SLAVE_TRACE
try
{
Thread mainthread = System.Threading.Thread.CurrentThread;
System.Threading.Thread stthd = new System.Threading.Thread(
new System.Threading.ThreadStart(
delegate
{
string spid = System.Diagnostics.Process.GetCurrentProcess().Id.ToString();
try
{
string dotracefile = spid + ".trace";
const string tracefiledelim = "{C8683F6C-0655-42e7-ACD9-0DDED6509A7C}";
for (; ;)
{
System.IO.StreamWriter traceout = null;
for (System.Threading.Thread.Sleep(1000 * 60)
; !System.IO.File.Exists(dotracefile)
; System.Threading.Thread.Sleep(1000 * 60))
{
}
{
string[] tfc;
try
{
tfc = System.IO.File.ReadAllLines(dotracefile);
}
catch
{
continue;
}
if (tfc.Length < 1 || "." != tfc[tfc.Length - 1])
{
continue;
}
try
{
System.IO.File.Delete(dotracefile);
}
catch
{
continue;
}
if ("." != tfc[0])
{
string traceoutfp = tfc[0];
try
{
traceout = System.IO.File.CreateText(traceoutfp);
traceout.Write("BEGIN:");
traceout.WriteLine(tracefiledelim);
}
catch
{
continue;
}
}
}
if (null == traceout)
{
XLog.log("SLAVE_TRACE: " + spid + " Start");
}
for (; ; System.Threading.Thread.Sleep(1000 * 60))
{
{
try
{
#if SLAVE_TRACE_PORT
if (null == traceout)
{
try
{
StringBuilder sbtp = new StringBuilder();
sbtp.Append("SLAVE_TRACE_PORT: " + spid + ":");
for (int i = 0; i < DOSlave_TracePorts.Count; i++)
{
sbtp.Append(' ');
sbtp.Append(DOSlave_TracePorts[i]);
}
if (0 == DOSlave_TracePorts.Count)
{
sbtp.Append(" None");
}
XLog.log(sbtp.ToString());
}
catch
{
}
}
#endif
bool thdsuspended = false;
try
{
mainthread.Suspend();
thdsuspended = true;
}
catch (System.Threading.ThreadStateException)
{
}
try
{
System.Diagnostics.StackTrace st = new System.Diagnostics.StackTrace(mainthread, false);
StringBuilder sbst = new StringBuilder();
const int maxframesprint = 15;
for (int i = 0, imax = Math.Min(maxframesprint, st.FrameCount); i < imax; i++)
{
if (0 != sbst.Length)
{
sbst.Append(", ");
}
string mn = "N/A";
try
{
System.Reflection.MethodBase mb = st.GetFrame(i).GetMethod();
mn = mb.ReflectedType.Name + "." + mb.Name;
}
catch
{
}
sbst.Append(mn);
}
if (st.FrameCount > maxframesprint)
{
sbst.Append(" ... ");
sbst.Append(st.FrameCount - maxframesprint);
sbst.Append(" more");
}
if (null == traceout)
{
XLog.log("SLAVE_TRACE: " + spid + " Trace: " + sbst.ToString());
}
else
{
traceout.WriteLine(sbst.ToString());
}
}
catch (Exception e)
{
XLog.log("SLAVE_TRACE: " + spid + " Error: " + e.ToString());
}
finally
{
if (thdsuspended)
{
mainthread.Resume();
}
}
}
catch (Exception e)
{
XLog.log("SLAVE_TRACE: " + spid + " " + mainthread.Name + " Trace Error: Cannot access thread: " + e.ToString());
}
}
if (null != traceout)
{
traceout.Write(tracefiledelim);
traceout.WriteLine(":END");
traceout.Close();
break;
}
}
}
}
catch (Exception e)
{
XLog.log("SLAVE_TRACE: " + spid + " Trace Failure: " + e.Message);
}
}));
stthd.IsBackground = true;
stthd.Start();
}
catch (Exception est)
{
XLog.log("SLAVE_TRACE: Thread start error: " + est.ToString());
}
#endif
sjid = args[5];
{
int ic = sjid.IndexOf(':');
if (-1 != ic)
{
jobdesc = Encoding.UTF8.GetString(Convert.FromBase64String(sjid.Substring(ic + 1)));
sjid = sjid.Substring(0, ic);
}
}
jid = long.Parse(sjid);
try
{
Environment.SetEnvironmentVariable("DOSLAVE", "DO5");
}
catch
{
}
System.Xml.XmlDocument xd = new System.Xml.XmlDocument();
#if DEBUGslaveconfigload
Random _scsr = new Random(DateTime.Now.Millisecond / 2 + System.Threading.Thread.CurrentThread.ManagedThreadId / 2);
//for (int i = 0; i < 50; i++)
{
System.Threading.Thread.Sleep(_scsr.Next(50, 200));
try
{
xd.Load("slaveconfig.j" + sjid + ".xml");
InitXmlConfig(xd);
}
catch (System.IO.FileNotFoundException e)
{
//System.Diagnostics.Debugger.Launch();
}
catch (Exception e)
{
System.Diagnostics.Debugger.Launch();
throw;
}
}
#else
try
{
xd.Load("slaveconfig.j" + sjid + ".xml");
InitXmlConfig(xd);
}
catch (System.IO.FileNotFoundException e)
{
}
#endif
if (XLog.logging)
{
XLog.log("New Sub Process: '" + args[0] + "' '" + args[1] + "' '" + args[2] + "' '" + args[3] + "' '" + args[4] + "' '" + args[5] + "'");
}
Socket sock = new Socket(AddressFamily.InterNetwork, SocketType.Stream, ProtocolType.Tcp);
sock.SetSocketOption(SocketOptionLevel.Socket, SocketOptionName.KeepAlive, true);
string host = args[0];
int portnum = ushort.Parse(args[1]);
#if SLAVE_TRACE_PORT
DOSlave_TracePorts.Add(portnum);
#endif
char typechar = args[2][0];
try
{
Thread.Sleep(100); // Give DLL a chance to start accepting.
sock.Connect(host, portnum);
}
catch (Exception e)
{
throw new Exception("Sub-process-to-client(dll) connection error: " + e.ToString() + " [Note: ensure port " + portnum.ToString() + " is free / not blocked]");
}
IDistObject dop;
if ('H' == typechar)
{
int capacity = ParseCapacity(args[3]);
if (XLog.logging)
{
XLog.log("Connected; creating Hashtable with capacity " + args[3]);
}
dop = HashtableObjectPart.Create(capacity);
}
else if ('8' == typechar)
{
int capacity = ParseCapacity(args[3]);
if (XLog.logging)
{
XLog.log("Connected; creating IntComboList with capacity " + args[3]);
}
dop = IntComboListPart.Create(capacity);
}
else if ('C' == typechar) // 12 hex
{
int capacity = ParseCapacity(args[3]);
if (XLog.logging)
{
XLog.log("Connected; creating LongIntComboList with capacity " + args[3]);
}
dop = LongIntComboListPart.Create(capacity);
}
else if ('A' == typechar)
{
//int capacity = ParseCapacity(args[3]);
string[] a = args[3].Split(';');
int count_capacity = ParseCapacity(a[0]);
int estimated_row_capacity = ParseCapacity(a[1]);
int keylen = int.Parse(a[2]);
if (XLog.logging)
{
XLog.log("Connected; creating ArrayComboList(keylength=" + keylen.ToString() + ") with capacity " + args[3]);
}
dop = ArrayComboListPart.Create(count_capacity, estimated_row_capacity, keylen);
}
else if ('R' == typechar)
{
if (XLog.logging)
{
XLog.log("Connected; creating Remote");
}
dop = RemotePart.Create();
}
else if ('F' == typechar)
{
//int capacity = ParseCapacity(args[3]);
string[] a = args[3].Split(';');
int keylen = ParseCapacity(a[2]);
int valuelen = ParseCapacity(a[3]);
if (XLog.logging)
{
XLog.log("Connected; creating FixedArrayComboList(keylength=" + keylen.ToString() + ";valuelength=" + valuelen.ToString() + ")");
}
dop = FixedArrayComboListPart.Create(keylen, valuelen);
}
else
{
throw new Exception("Data type not supported");
}
NetworkStream nstm = new XNetworkStream(sock);
{
// New handshake with client(dll)...
nstm.WriteByte(1);
// ... and the SlavePID:
int SlavePID = System.Diagnostics.Process.GetCurrentProcess().Id;
byte[] bpid = DistObjectBase.ToBytes(SlavePID);
XContent.SendXContent(nstm, bpid);
}
{
int pid = System.Diagnostics.Process.GetCurrentProcess().Id;
string spid = pid.ToString();
string pidfilename = spid + ".j" + sjid + ".slave.pid";
StreamWriter pidfile = new StreamWriter(pidfilename);
pidfile.WriteLine(pid);
pidfile.WriteLine(System.DateTime.Now);
pidfile.WriteLine("jid={0}", sjid);
pidfile.Flush();
for (; ;)
{
try
{
dop.ProcessCommands(nstm);
break;
}
catch (DistObjectAbortException e)
{
XLog.errorlog("ProcessCommands exception: " + e.ToString() + " ((DistObjectAbortException))");
break; // !
}
catch (Exception e)
{
XLog.errorlog("ProcessCommands exception: " + e.ToString() + " ((recovering from this exception))");
}
}
pidfile.Close();
try
{
System.IO.File.Delete(pidfilename);
}
catch
{
}
}
}
catch (Exception e)
{
XLog.errorlog("Main exception: " + e.ToString());
}
}
