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#define WIN32_LEAN_AND_MEAN
#include <windows.h>
#include "memlist.h"
#include "debug.h"
#include "msglist.h"
#define MSGLIST_TIMEOUT 1800 // Chatmessage references will be kept for 30 minutes
static TYP_LIST *m_hMsgList = NULL;
static int CmpProc(const void *pstPElement,const void *pstPToFind)
{
return (DWORD)pstPToFind - ((TYP_MSGLENTRY*)pstPElement)->uMsgNum;
}
void MsgList_Init(void)
{
m_hMsgList = List_Init(128);
}
void MsgList_Exit(void)
{
if (!m_hMsgList) return;
List_FreeElements (m_hMsgList);
List_Exit(m_hMsgList);
m_hMsgList = NULL;
}
TYP_MSGLENTRY *MsgList_Add(DWORD uMsgNum, HANDLE hEvent)
{
TYP_MSGLENTRY *pEntry;
int iListInd;
BOOL bFound;
LOG (("MsgList_Add (%d, %08X)", uMsgNum, hEvent));
if (!m_hMsgList || !hEvent) return FALSE;
bFound = List_BinarySearch(m_hMsgList,CmpProc,(void *)uMsgNum,&iListInd);
if (!bFound) pEntry = HeapAlloc(GetProcessHeap(), HEAP_ZERO_MEMORY, sizeof(TYP_MSGLENTRY));
else pEntry = List_ElementAt (m_hMsgList, iListInd);
if (!pEntry) return NULL;
pEntry->uMsgNum = uMsgNum;
pEntry->hEvent = hEvent;
pEntry->tEdited = 0;
time(&pEntry->t);
if (!bFound) return List_InsertElementAt (m_hMsgList, pEntry, iListInd)?pEntry:NULL;
return pEntry;
}
TYP_MSGLENTRY *MsgList_FindMessage(DWORD uMsgNum)
{
TYP_MSGLENTRY *pEntry;
int iPos;
LOG (("MsgList_FindEvent (%d)", uMsgNum));
if (m_hMsgList && List_BinarySearch(m_hMsgList, CmpProc, (void*)uMsgNum, &iPos))
{
pEntry = List_ElementAt (m_hMsgList, iPos);
time(&pEntry->t); // Touch it, so that it doesn't get thrown away too soon
LOG (("MsgList_FindEvent(%d): %08X", uMsgNum, pEntry->hEvent));
return pEntry;
}
return NULL;
}
void MsgList_CollectGarbage(void)
{
unsigned int i;
TYP_MSGLENTRY *pEntry;
time_t t;
if (!m_hMsgList) return;
time(&t);
t-=MSGLIST_TIMEOUT;
for (i=0; i<List_Count(m_hMsgList); i++)
{
pEntry = List_ElementAt (m_hMsgList, i);
if (pEntry->t < t)
{
LOG (("MsgList_CollectGarbage throwing out msg %d", pEntry->uMsgNum));
HeapFree (GetProcessHeap(), 0, List_RemoveElementAt (m_hMsgList, i));
i--;
}
}
}
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