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/*
Miranda NG: the free IM client for Microsoft* Windows*
Copyright (c) 2012-18 Miranda NG team (https://miranda-ng.org)
all portions of this codebase are copyrighted to the people
listed in contributors.txt.
This program is free software; you can redistribute it and/or
modify it under the terms of the GNU General Public License
as published by the Free Software Foundation; either version 2
of the License, or (at your option) any later version.
This program is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
GNU General Public License for more details.
You should have received a copy of the GNU General Public License
along with this program; if not, write to the Free Software
Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
*/
#include "stdafx.h"
LONG CDbxMDBX::GetContactCount(void)
{
MDBX_stat st;
txn_ptr_ro trnlck(m_txn_ro);
mdbx_dbi_stat(trnlck, m_dbContacts, &st, sizeof(st));
return st.ms_entries;
}
LONG CDbxMDBX::GetContactSize(void)
{
return sizeof(DBCachedContact);
}
LONG CDbxMDBX::DeleteContact(MCONTACT contactID)
{
if (contactID == 0) // global contact cannot be removed
return 1;
NotifyEventHooks(g_hevEventDeleted, contactID, 0);
{
OBJLIST<EventItem> events(50);
GatherContactHistory(contactID, events);
while (events.getCount()) {
DeleteEvent(contactID, events[0].eventId);
events.remove(0);
}
}
{
MDBX_val key, data;
DBSettingKey keyS = { contactID, 0, 0 };
txn_ptr trnlck(StartTran());
cursor_ptr cursor(trnlck, m_dbSettings);
key.iov_len = sizeof(keyS); key.iov_base = &keyS;
for (int res = mdbx_cursor_get(cursor, &key, &data, MDBX_SET_RANGE); res == MDBX_SUCCESS; res = mdbx_cursor_get(cursor, &key, &data, MDBX_NEXT)) {
const DBSettingKey *pKey = (const DBSettingKey*)key.iov_base;
if (pKey->hContact != contactID)
break;
mdbx_cursor_del(cursor, 0);
}
trnlck.commit();
}
MDBX_val key = { &contactID, sizeof(MCONTACT) };
{
txn_ptr trnlck(StartTran());
if (mdbx_del(trnlck, m_dbContacts, &key, nullptr) != MDBX_SUCCESS)
return 1;
if (trnlck.commit() != MDBX_SUCCESS)
return 1;
}
// free cache item
m_cache->FreeCachedContact(contactID);
DBFlush();
return 0;
}
MCONTACT CDbxMDBX::AddContact()
{
MCONTACT dwContactId = InterlockedIncrement(&m_maxContactId);
DBCachedContact *cc = m_cache->AddContactToCache(dwContactId);
{
MDBX_val key = { &dwContactId, sizeof(MCONTACT) };
MDBX_val data = { &cc->dbc, sizeof(cc->dbc) };
txn_ptr trnlck(StartTran());
if (mdbx_put(trnlck, m_dbContacts, &key, &data, 0) != MDBX_SUCCESS)
return 0;
if (trnlck.commit() != MDBX_SUCCESS)
return 0;
}
DBFlush();
NotifyEventHooks(g_hevEventAdded, dwContactId, 0);
return dwContactId;
}
STDMETHODIMP_(BOOL) CDbxMDBX::IsDbContact(MCONTACT contactID)
{
DBCachedContact *cc = m_cache->GetCachedContact(contactID);
return (cc != nullptr);
}
/////////////////////////////////////////////////////////////////////////////////////////
void CDbxMDBX::GatherContactHistory(MCONTACT hContact, LIST<EventItem> &list)
{
DBEventSortingKey keyVal = { hContact, 0, 0 };
MDBX_val key = { &keyVal, sizeof(keyVal) }, data;
txn_ptr_ro trnlck(m_txn_ro);
cursor_ptr_ro cursor(m_curEventsSort);
for (int res = mdbx_cursor_get(cursor, &key, &data, MDBX_SET_RANGE); res == MDBX_SUCCESS; res = mdbx_cursor_get(cursor, &key, &data, MDBX_NEXT)) {
const DBEventSortingKey *pKey = (const DBEventSortingKey*)key.iov_base;
if (pKey->hContact != hContact)
return;
list.insert(new EventItem(pKey->ts, pKey->hEvent));
}
}
BOOL CDbxMDBX::MetaMergeHistory(DBCachedContact *ccMeta, DBCachedContact *ccSub)
{
LIST<EventItem> list(1000);
GatherContactHistory(ccSub->contactID, list);
for (auto &EI : list) {
{
txn_ptr trnlck(StartTran());
DBEventSortingKey insVal = { ccMeta->contactID, EI->eventId, EI->ts };
MDBX_val key = { &insVal, sizeof(insVal) }, data = { (void*)"", 1 };
if (mdbx_put(trnlck, m_dbEventsSort, &key, &data, 0) != MDBX_SUCCESS)
return 1;
if (trnlck.commit() != MDBX_SUCCESS)
return 1;
}
ccMeta->dbc.dwEventCount++;
delete EI;
}
MDBX_val keyc = { &ccMeta->contactID, sizeof(MCONTACT) }, datac = { &ccMeta->dbc, sizeof(ccMeta->dbc) };
txn_ptr trnlck(StartTran());
if (mdbx_put(trnlck, m_dbContacts, &keyc, &datac, 0) != MDBX_SUCCESS)
return 1;
if (trnlck.commit() != MDBX_SUCCESS)
return 1;
DBFlush();
return 0;
}
/////////////////////////////////////////////////////////////////////////////////////////
BOOL CDbxMDBX::MetaSplitHistory(DBCachedContact *ccMeta, DBCachedContact *ccSub)
{
LIST<EventItem> list(1000);
GatherContactHistory(ccSub->contactID, list);
for (auto &EI : list) {
{
txn_ptr trnlck(StartTran());
DBEventSortingKey insVal = { ccMeta->contactID, EI->eventId, EI->ts };
MDBX_val key = { &insVal, sizeof(insVal) };
if (mdbx_del(trnlck, m_dbEventsSort, &key, nullptr) != MDBX_SUCCESS)
return 1;
if (trnlck.commit() != MDBX_SUCCESS)
return 1;
}
ccMeta->dbc.dwEventCount--;
delete EI;
}
txn_ptr trnlck(StartTran());
MDBX_val keyc = { &ccMeta->contactID, sizeof(MCONTACT) }, datac = { &ccMeta->dbc, sizeof(ccMeta->dbc) };
if (mdbx_put(trnlck, m_dbContacts, &keyc, &datac, 0) != MDBX_SUCCESS)
return 1;
if (trnlck.commit() != MDBX_SUCCESS)
return 1;
DBFlush();
return 0;
}
/////////////////////////////////////////////////////////////////////////////////////////
void DBCachedContact::Advance(MEVENT id, DBEvent &dbe)
{
dbc.dwEventCount++;
if (dbe.flags & (DBEF_READ | DBEF_SENT))
return;
if (dbe.timestamp < dbc.tsFirstUnread || dbc.tsFirstUnread == 0) {
dbc.tsFirstUnread = dbe.timestamp;
dbc.evFirstUnread = id;
}
}
void DBCachedContact::Snapshot()
{
tmp_dbc = dbc;
}
void DBCachedContact::Revert()
{
dbc = tmp_dbc;
}
/////////////////////////////////////////////////////////////////////////////////////////
// initial cycle to fill the contacts' cache
void CDbxMDBX::FillContacts()
{
{
txn_ptr_ro trnlck(m_txn_ro);
cursor_ptr_ro cursor(m_curContacts);
MDBX_val key, data;
while (mdbx_cursor_get(cursor, &key, &data, MDBX_NEXT) == MDBX_SUCCESS) {
DBCachedContact *cc = m_cache->AddContactToCache(*(MCONTACT*)key.iov_base);
cc->dbc = *(DBContact*)data.iov_base;
}
}
for (DBCachedContact *cc = m_cache->GetFirstContact(); cc; cc = m_cache->GetNextContact(cc->contactID)) {
CheckProto(cc, "");
DBVARIANT dbv; dbv.type = DBVT_DWORD;
cc->nSubs = (0 != GetContactSetting(cc->contactID, META_PROTO, "NumContacts", &dbv)) ? -1 : dbv.dVal;
if (cc->nSubs != -1) {
cc->pSubs = (MCONTACT*)mir_alloc(cc->nSubs * sizeof(MCONTACT));
for (int k = 0; k < cc->nSubs; k++) {
char setting[100];
mir_snprintf(setting, _countof(setting), "Handle%d", k);
cc->pSubs[k] = (0 != GetContactSetting(cc->contactID, META_PROTO, setting, &dbv)) ? 0 : dbv.dVal;
}
}
cc->nDefault = (0 != GetContactSetting(cc->contactID, META_PROTO, "Default", &dbv)) ? -1 : dbv.dVal;
cc->parentID = (0 != GetContactSetting(cc->contactID, META_PROTO, "ParentMeta", &dbv)) ? 0 : dbv.dVal;
}
}
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