private LongIntComboListPart(int capacity)
{
ZBlock.CleanZBlockFiles("unsorted", "sorted");
b12buffer = new List <B12>(0);
this.enums = new LongIntComboListPartEnumerator[32];
// Pre-set with defaults.
int numzblocks = 139;
int zblockbufsize = 131072; // 128 KB default.
if (null != DistributedObjectsSlave.xslave)
{
System.Xml.XmlNode xzblocks = DistributedObjectsSlave.xslave["zblocks"];
if (null != xzblocks)
{
{
System.Xml.XmlAttribute xnzb = xzblocks.Attributes["count"];
if (null != xnzb)
{
numzblocks = int.Parse(xnzb.Value);
}
}
{
System.Xml.XmlAttribute xzbs = xzblocks.Attributes["addbuffersize"];
if (null != xzbs)
{
zblockbufsize = DistributedObjectsSlave.ParseCapacity(xzbs.Value);
}
}
}
}
if (XLog.logging)
{
XLog.log("Creating " + numzblocks.ToString() + " ZBlock`s");
}
zblocks = new ZBlock[numzblocks];
for (int i = 0; i != numzblocks; i++)
{
zblocks[i] = new ZBlock(this, i, zblockbufsize);
}
}
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 LongIntComboListPartEnumerator(this);
}
int offset = 0;
if (null == buf || buf.Length < 60)
{
throw new Exception("Enumeration batch buffer too small!");
}
//if (uniquecompression) // Compressed...
{
for (; ;)
{
if (!this.enums[enumid].MoveNext())
{
break;
}
B12 b12 = this.enums[enumid].Current;
// Using Big Endian!
b12.CopyToArray(buf, offset);
offset += 12;
if (offset + 12 > 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(b12buffer, 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 == "computer_name")
{
gbfree = uint.MaxValue;
}
}
#endif
if (gbfree > 20)
{
int pcount = len / 12; // size of B12
int y = 0;
for (int i = 0; i != pcount; i++)
{
TimedAdd(buf, y);
y += 12;
}
}
else
{
if (!nofreedisklog)
{
nofreedisklog = true;
XLog.errorlog("Low free disk space; now dropping entries.");
}
}
}
break;
default:
base.ProcessCommand(nstm, tag);
break;
}
}
public virtual void ProcessCommands(NetworkStream nstm)
{
//nstm = new XNetworkStream(sock);
int x;
this.nstm = nstm;
try
{
for (; ;)
{
x = nstm.ReadByte();
if (x < 0)
{
//throw new Exception("Unable to read tag for command");
break;
}
buf[0] = (byte)x;
CurrentCommand = (char)x;
if ('\\' == (char)buf[0])
{
if (XLog.logging)
{
XLog.log("Received close command from service; closing");
}
break;
}
else if ('<' == (char)buf[0])
{
try
{
string xml = XContent.ReceiveXString(nstm, buf);
System.Xml.XmlDocument xd = new System.Xml.XmlDocument();
xd.LoadXml(xml);
DistributedObjectsSlave.InitXmlConfig(xd);
ReloadConfig();
}
catch
{
nstm.WriteByte((byte)'-');
throw;
}
nstm.WriteByte((byte)'+');
continue;
}
else if ('?' == (char)buf[0])
{
if (null != lasterror)
{
string lerr = lasterror;
lasterror = null; // Also resets error!
XContent.SendXContent(nstm, lerr);
}
else
{
XContent.SendXContent(nstm, buf, 0); // No error!
}
continue;
}
/*
* if (XLog.logging)
* {
* XLog.log("Slave processing command " + ((char)buf[0]).ToString());
* }
* */
ProcessCommand(nstm, (char)buf[0]);
}
}
catch (System.IO.IOException ioex)
{
// Drop SocketException (shutdown during tasks), rethrow others.
if ((ioex.InnerException as SocketException) == null)
{
throw;
}
#if DEBUG
XLog.errorlog("DistributedObjectsSlave Warning: IOException+SocketException during task shutdown: " + ioex.ToString());
#endif
}
nstm.Close();
nstm.Dispose();
}
