// get buffer address for socket
FishinoSockBuf *FishinoSockBuffers::GetBuf(uint8_t sock)
{
// search for socket
uint8_t iBuf = FindBuf(sock);
// return NULL if not found
if(iBuf == 0xff)
return NULL;
// return found buffer
return buffers + iBuf;
}
// create buffer for socket
// (or increase usage count if already there)
FishinoSockBuf *FishinoSockBuffers::AllocBuf(uint8_t sock)
{
// do NOT allocate for invalid socket
if(sock == 0xff)
return 0;
// search for socket
uint8_t iBuf = FindBuf(sock);
// if not found, allocate a new buffer extending buffer count if needed
if(iBuf == 0xff)
{
// first try to find a free slot
for(uint8_t i = 0; i < bufAlloc; i++)
if(buffers[i].sock == 0xff)
{
iBuf = i;
break;
}
// if no free slot is found (unlikely....) just increase number of buffers
if(iBuf == 0xff)
{
FishinoSockBuf *newBufs = (FishinoSockBuf *)FISHINO_MALLOC((bufAlloc + 1) * sizeof(FishinoSockBuf));
memcpy(newBufs, buffers, bufAlloc * sizeof(FishinoSockBuf));
free(buffers);
buffers = newBufs;
iBuf = bufAlloc++;
buffers[iBuf].sock = 0xff;
buffers[iBuf].buf = NULL;
buffers[iBuf].count = 0;
buffers[iBuf].pos = 0;
buffers[iBuf].clientCount = 0;
}
}
FishinoSockBuf *buf = buffers + iBuf;
if(buf->sock == 0xff)
{
buf->sock = sock;
buf->buf = (uint8_t *)FISHINO_MALLOC(FISHINO_SOCKET_BUF_SIZE);
buf->count = 0;
buf->pos = 0;
buf->clientCount = 0;
}
buf->clientCount++;
return buf;
}
// remove buffer for socket (or decrease its usage counter if more than one)
void FishinoSockBuffers::KillBuf(uint8_t sock)
{
// search for socket
uint8_t iBuf = FindBuf(sock);
if(iBuf == 0xff)
return;
FishinoSockBuf *buf = buffers + iBuf;
if(!buf->clientCount || !--buf->clientCount)
{
if(buf->buf)
free(buf->buf);
buf->buf = NULL;
buf->count = 0;
buf->pos = 0;
buf->sock = 0xff;
buf->clientCount = 0;
}
}
BOOL CIVPlaybackDataBuf::ChannelTarget::ReadSome(FILETIME& CurrentFrameTime)
{
IVFileDataHead DataHead;
PlayBackTargetQueue* pTemp = NULL;
m_Reader.read(
(char*)&DataHead,
sizeof(IVFileDataHead));
SYSTEMTIME syt;
BOOL bRc = FileTimeToSystemTime(&DataHead.t, &syt);
if ( bRc )
{
bRc = IsValidSystemTime(syt);
}
if ( !bRc ||
DataHead.wTargetNum > TARGET_MAX_NUM ||
DataHead.dwPrePos > DataHead.dwNextPos )
{
ASSERT(FALSE);
return FALSE;
}
/**
*@note 1. 找是否有目标数据缓冲(TargetQueue)
*/
int nBufPos = FindBuf();
if ( nBufPos == NO_BUF_Ramain )
{
DebugOut("CIVDataBuf::OnIVDataSend No Find Buf!\n");
assert(false);
return FALSE;
}
CurrentFrameTime = DataHead.t;
pTemp = &m_pTargetBuf[nBufPos];
pTemp->AddRef();
pTemp->nCount = DataHead.wTargetNum;
m_Reader.read(
(char*)pTemp->Tar,
sizeof(WPG_Target)*DataHead.wTargetNum);
m_IVSomeData.insert( PlayBackGroupTarget(DataHead.t, pTemp) );
return TRUE;
}
