public bool Deq(ref long Counter, ref int Dev, ref int Typ, ref int Adr, ref int Val, ref object[] Ex)
{
lock (lockObj)
{
Counter = deqPos.Counter;
Dev = deqPos.pack.Dev;
Typ = deqPos.pack.Typ;
Adr = deqPos.pack.Adr;
Val = deqPos.pack.Val;
Ex = deqPos.pack.Ex;
if (enqPos == deqPos)
{
return(false);
}
bLength--;
deqPos.Counter = 0;
deqPos = deqPos.next;
//debugDispBuffer();
return(true);
}
}
public void debugDispBuffer()
{
lock (lockObj)
{
PPack edbg = deqPos;
do
{
Console.Write("[{0}:{1}]::", edbg.Counter, edbg.pack.Dev);
edbg = edbg.next;
} while (edbg != enqPos.next);
Console.WriteLine("");
}
}
public void Init(int size)
{
buf = new List <PPack>
{
new PPack()
};
for (int i = 1; i < size + 1; i++)
{
buf.Add(new PPack());
buf[i].prev = buf[i - 1];
buf[i - 1].next = buf[i];
}
buf[0].prev = buf[buf.Count - 1];
buf[buf.Count - 1].next = buf[0];
enqPos = buf[0];
deqPos = buf[0];
bLength = 0;
}
public bool Enq(long Counter, int Dev, int Typ, int Adr, int Val, object[] Ex)
{
lock (lockObj)
{
if (enqPos.next == deqPos)
{
if (!AutoExtend)
{
return(false);
}
//自動拡張
try
{
PPack p = new PPack();
buf.Add(p);
p.prev = enqPos;
p.next = enqPos.next;
enqPos.next = p;
p.next.prev = p;
}
catch
{
return(false);
}
}
bLength++;
//データをセット
enqPos.Counter = Counter;
enqPos.pack.Copy(Dev, Typ, Adr, Val, Ex);
if (Counter >= enqPos.prev.Counter)
{
enqPos = enqPos.next;
//debugDispBuffer();
return(true);
}
PPack lastPos = enqPos.prev;
//サーチ
srcPos = enqPos.prev;
while (Counter < srcPos.Counter && srcPos != deqPos)
{
srcPos = srcPos.prev;
}
if (Counter < srcPos.Counter && srcPos == deqPos)
{
srcPos = srcPos.prev;
deqPos = enqPos;
}
//enqPosをリングから切り出す。
PPack nextPack = enqPos;
enqPos.prev.next = enqPos.next;
enqPos.next.prev = enqPos.prev;
//enqPosを挿入する
tmpPos = srcPos.next;
tmpPos.prev = enqPos;
srcPos.next = enqPos;
enqPos.prev = srcPos;
enqPos.next = tmpPos;
enqPos = lastPos.next;
//debugDispBuffer();
return(true);
}
}
