1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
195
196
197
198
199
200
201
202
203
204
205
206
207
208
209
210
211
212
213
214
215
216
217
218
219
220
221
222
223
224
225
226
227
228
229
230
231
232
233
234
235
236
237
238
239
240
241
242
243
244
245
246
247
248
249
250
251
252
253
254
255
256
|
/*
Miranda IM History Sweeper Light plugin
Copyright (C) 2002-2003 Sergey V. Gershovich
Copyright (C) 2006-2009 Boris Krasnovskiy
Copyright (C) 2010, 2011 tico-tico
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 "historysweeperlight.h"
#ifdef VC6BUILD
#define _____TIMEPROC time
#else
#define _____TIMEPROC _time32
#endif
_CRTIMP __time32_t __cdecl _____TIMEPROC(_Out_opt_ __time32_t * _Time);
typedef struct
{
time_t time;
int keep;
} CriteriaStruct;
// build criteria
time_t BuildCriteria(int dwti)
{
time_t tim = _____TIMEPROC(NULL);
switch (dwti)
{
case 0:
tim -= 1 * 24 * 3600;
break;
case 1:
tim -= 3 * 24 * 3600;
break;
case 2:
tim -= 7 * 24 * 3600;
break;
case 3:
tim -= 14 * 24 * 3600;
break;
case 4:
tim -= 30 * 24 * 3600;
break;
case 5:
tim -= 90 * 24 * 3600;
break;
case 6:
tim -= 180 * 24 * 3600;
break;
default:
tim -= 365 * 24 * 3600;
}
return tim;
}
// keep criteria
int KeepCriteria(int dwti)
{
switch (dwti)
{
case 0:
return 1;
case 1:
return 2;
case 2:
return 5;
case 3:
return 10;
case 4:
return 20;
default:
return 50;
}
}
typedef struct
{
HANDLE hDBEvent;
DWORD CRC32;
DWORD Timestamp;
} BEventData;
static int CompareBookmarks( const void* p1, const void* p2 )
{
return (BYTE*)((BEventData*)p1)->hDBEvent - (BYTE*)((BEventData*)p2)->hDBEvent;
}
static void GetBookmarks(HANDLE hContact, BEventData** books, size_t* bookcnt )
{
DBVARIANT dbv;
DBCONTACTGETSETTING cgs;
*books = NULL;
*bookcnt = 0;
cgs.szModule = "HistoryPlusPlus";
cgs.szSetting = "Bookmarks";
cgs.pValue = &dbv;
if (CallService(MS_DB_CONTACT_GETSETTING, (WPARAM)hContact, (LPARAM)&cgs) == 0)
{
if (dbv.cpbVal > 2 && *(WORD*)dbv.pbVal >= sizeof(BEventData))
{
size_t recSize = *(WORD*)dbv.pbVal;
size_t numb = (dbv.cpbVal - sizeof(WORD)) / recSize;
BEventData* tbooks = mir_alloc(sizeof(BEventData)*numb);
size_t tbookcnt = 0;
size_t i;
BYTE* evs = dbv.pbVal + sizeof(WORD);
for (i=0; i<numb; ++i)
{
tbooks[tbookcnt++] = *(BEventData*)evs;
evs += recSize;
}
if (tbookcnt != 0)
{
qsort(tbooks, tbookcnt, sizeof(BEventData), CompareBookmarks);
*bookcnt = tbookcnt;
*books = tbooks;
}
else
mir_free(tbooks);
}
DBFreeVariant(&dbv);
}
}
//Sweep history from specified contact
void SweepHistoryFromContact(HANDLE hContact, CriteriaStruct Criteria, BOOL keepUnread)
{
int lPolicy, eventsCnt;
if (hContact == NULL) // for system history
lPolicy = DBGetContactSettingByte(NULL, ModuleName, "SweepSHistory", 0);
else // for contact history (or "SweepHistory" - default action)
lPolicy = DBGetContactSettingByte(hContact, ModuleName, "SweepHistory", DBGetContactSettingByte(NULL, ModuleName, "SweepHistory", 0));
if (lPolicy == 0) return; // nothing to do
eventsCnt = CallService(MS_DB_EVENT_GETCOUNT, (WPARAM)hContact, 0);
if (eventsCnt != 0)
{
BOOL doDelete, unsafe = DBGetContactSettingByte(NULL, ModuleName, "UnsafeMode", 0);
HANDLE hDBEvent, hDBEventNext; BEventData *books, *item, ev = { 0 };
DBEVENTINFO dbei; size_t bookcnt, btshift;
SetCursor(LoadCursor(0, IDC_WAIT));
// switch off SAFETYMODE if necessary
if (unsafe) CallService(MS_DB_SETSAFETYMODE, 0, 0);
GetBookmarks(hContact, &books, &bookcnt);
//Get first event
hDBEvent = (HANDLE)CallService(MS_DB_EVENT_FINDFIRST, (WPARAM)hContact, 0);
while (hDBEvent != NULL)
{
ZeroMemory(&dbei, sizeof(dbei));
dbei.cbSize = sizeof(dbei);
CallService(MS_DB_EVENT_GET, (WPARAM)hDBEvent, (LPARAM)&dbei);
// should we stop processing?
// lPolicy == 1 - for time criterion, lPolicy == 2 - keep N last events, lPolicy == 3 - delete all events
if ( (lPolicy == 1 && (unsigned)Criteria.time < dbei.timestamp) || (lPolicy == 2 && Criteria.keep > --eventsCnt) ) break;
doDelete = TRUE;
if (!(dbei.flags & (DBEF_SENT | DBEF_READ)) && keepUnread) doDelete = FALSE; // keep unread events
if (bookcnt != 0) // keep bookmarks
{
ev.hDBEvent = hDBEvent;
item = (BEventData*)bsearch( &ev, books, bookcnt, sizeof(BEventData), CompareBookmarks);
if (item != NULL)
if (item->Timestamp == dbei.timestamp)
{
doDelete = FALSE;
btshift = (--bookcnt - (item - books))*sizeof(BEventData);
if (btshift) memmove(item, item+1, btshift);
}
}
// find next event
hDBEventNext = (HANDLE)CallService(MS_DB_EVENT_FINDNEXT, (WPARAM)hDBEvent, 0);
if (doDelete) CallService(MS_DB_EVENT_DELETE, (WPARAM)hContact, (LPARAM)hDBEvent);
hDBEvent = hDBEventNext;
} // while (hDBEvent != NULL)
mir_free(books);
// switch ON safety mode as fast as we can to avoid DB corruption
if (unsafe) CallService(MS_DB_SETSAFETYMODE, 1, 0);
SetCursor(LoadCursor(0, IDC_ARROW));
} // if (eventsCnt != 0)
}
// shutdown action
void ShutdownAction(void)
{
CriteriaStruct Criteria;
HANDLE hContact = (HANDLE)CallService(MS_DB_CONTACT_FINDFIRST, 0, 0);
Criteria.keep = KeepCriteria(DBGetContactSettingByte(NULL, ModuleName, "StartupShutdownKeep", 0));
Criteria.time = BuildCriteria(DBGetContactSettingByte(NULL, ModuleName, "StartupShutdownOlder", 0));
SweepHistoryFromContact(NULL, Criteria, FALSE); // sweep system history, keepunread==0
while ( hContact != NULL )
{
SweepHistoryFromContact(hContact, Criteria, TRUE); // sweep contact history, keepunread==1
hContact = (HANDLE)CallService(MS_DB_CONTACT_FINDNEXT, (WPARAM)hContact, 0); // go to next contact
}
}
int OnWindowEvent(WPARAM wParam, LPARAM lParam)
{
MessageWindowEventData* msgEvData = (MessageWindowEventData*)lParam;
if (msgEvData->uType == MSG_WINDOW_EVT_CLOSE && DBGetContactSettingByte(NULL, ModuleName, "SweepOnClose", 0))
{
CriteriaStruct Criteria;
Criteria.keep = KeepCriteria(DBGetContactSettingByte(NULL, ModuleName, "StartupShutdownKeep", 0));
Criteria.time = BuildCriteria(DBGetContactSettingByte(NULL, ModuleName, "StartupShutdownOlder", 0));
SweepHistoryFromContact(msgEvData->hContact, Criteria, TRUE);
}
return 0;
}
|
