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kphp-kdb/hints/hints-data.c at master · proea/kphp-kdb · GitHub
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/*
This file is part of VK/KittenPHP-DB-Engine.
VK/KittenPHP-DB-Engine 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.
VK/KittenPHP-DB-Engine 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 VK/KittenPHP-DB-Engine. If not, see <http://www.gnu.org/licenses/>.
This program is released under the GPL with the additional exemption
that compiling, linking, and/or using OpenSSL is allowed.
You are free to remove this exemption from derived works.
Copyright 2010-2013 Vkontakte Ltd
2010-2013 Arseny Smirnov
2010-2013 Aliaksei Levin
*/
#define
_FILE_OFFSET_BITS
64
#include
<stddef.h>
#include
"hints-data.h"
#include
"dl.def"
#ifdef
NOHINTS
int
add_on_increment
=
1
;
#endif
int
immediate_mode
;
int
index_mode
;
long
max_memory
=
MAX_MEMORY
;
long
static_memory
;
int
cur_users
;
int
index_users
,
header_size
,
indexed_users
;
int
dump_mode
,
dump_type
[
256
];
long long
friend_changes
;
long long
total_cache_time
;
int
max_cache_time
,
min_cache_time
=
999999999
;
int
keep_not_alive
=
0
;
int
no_changes
=
0
;
int
estimate_users
=
1000000
;
int
MAX_CNT
=
100000
;
int
MAX_USR_SIZE
;
int
max_cnt_type
[
256
];
int
jump_log_ts
;
long long
jump_log_pos
;
unsigned
jump_log_crc32
;
char
*
index_name
,
*
new_binlog_name
;
int
MAX_RATING
=
1000
;
int
RATING_NORM
=
4
*
7
*
24
*
60
*
60
;
int
rating_num
=
1
;
int
fading
=
1
;
long long
allocated_metafile_bytes
;
#ifdef
HINTS
long long
words_per_request
[
6
];
#endif
long long
bad_requests
;
dl_zout
new_binlog
;
int
ratingT
;
int
log_now
;
int
stat_global
[
256
][
3
];
static
int
EMPTY__METAFILE__
[]
=
{
0
};
static
char
*
EMPTY__METAFILE
=
(
char
*
)
EMPTY__METAFILE__
;
#ifdef
HINTS
#define
MEM_FLAG
(int)(1u << 31)
#endif
int
check_user_id
(
int
user_id
) {
return
(
user_id
>
0
&&
user_id
%
log_split_mod
==
log_split_min
);
}
int
check_type
(
int
type
) {
return
(
0
<
type
&&
type
<
256
);
}
int
check_object_id
(
int
object_id
) {
return
(
0
<
object_id
);
}
int
check_rating
(
rating
val
) {
if
(
fading
) {
return
val
>=
0
;
}
else
{
return
fabsf
(
val
)
<
MAX_RATING
;
}
}
int
check_rating_num
(
int
num
) {
return
(
num
>=
0
&&
num
<
rating_num
);
}
int
check_text_len
(
int
text_len
) {
return
(
text_len
>=
-1
&&
text_len
<
4096
);
}
#define
USER_LOADED
1
#define
GET_USER_INFO
(
x
) ((((x) & 30) >> 1) - 2)
#define
SET_USER_INFO
(
x
,
y
) ((x) ^ ( ((GET_USER_INFO(x) + 2) ^ (y + 2)) << 1 ))
#define
GET_USER_RATING_STATE
(
x
) (((x) >> 5) & 1)
#define
SET_USER_RATING_STATE
(
x
,
y
) ((x) ^ ( (GET_USER_RATING_STATE(x) ^ (y)) << 5 ))
#define
MEMORY_CHANGES_PERCENT
(0.75)
#define
MIN_MEMORY_USER_PERCENT
(0.25)
typedef
struct
userx
user
;
struct
userx
{
int
load_time
;
char
*
metafile
;
int
metafile_len
;
#ifdef
HINTS
void
*
mtf_h
;
int
*
mtf_i
,
mtf_n
;
perfect_hash
h
;
#endif
int
types_cnt
;
char
*
known_types
;
struct
aio_connection
*
aio
;
#ifdef
HINTS
// hash_table of prefixes for changes
hash_table
pref_table
;
char
*
object_data
;
int
*
object_indexes
;
#else
changes
object_chg
;
#endif
long long
*
object_type_ids
;
rating
*
object_old_ratings
;
int
object_old_n
;
// lookup_table of objects for new objects
lookup_table
object_table
;
// size of object buffers for new objects
int
object_size
;
#ifdef
HINTS
// names of new objects
char
*
*
object_names
;
vector
changed_objs
;
#endif
// ratings of new objects
rating
*
object_ratings
;
// list of changes
change_list_ptr
chg_list_cur
,
chg_list_st
,
chg_list_en
;
change_list_ptr
chg_list_global
;
// flags
char
flags
;
// LRU
user
*
next_used
,
*
prev_used
;
};
#define
HINTS_INDEX_MAGIC
0x4f191588
#pragma
pack(push,4)
typedef
struct
{
int
id
;
int
size
;
int
flags
;
long long
shift
;
}
user_index_data
;
typedef
struct
{
/* strange numbers */
int
magic
;
int
created_at
;
long long
log_pos0
;
long long
log_pos1
;
unsigned long long
file_hash
;
unsigned long long
slice_hash
;
int
log_timestamp
;
int
log_split_min
,
log_split_max
,
log_split_mod
;
long long
list_index_offset
;
long long
list_data_offset
;
long long
revlist_data_offset
;
long long
extra_data_offset
;
long long
data_end_offset
;
int
tot_lists
;
int
last_global_id
;
unsigned
int
log_pos0_crc32
;
unsigned
int
log_pos1_crc32
;
int
perf_hash
;
int
nohints
;
int
rating_num
;
int
fading
;
int
has_crc32
;
int
reserved
[
29
];
unsigned
int
user_index_crc32
;
unsigned
int
header_crc32
;
int
user_cnt
;
user_index_data
*
user_index
;
}
index_header
;
#pragma
pack(pop)
lookup_table
user_table
;
user
*
users
;
change_list_ptr
global_changes_st
,
global_changes_en
;
index_header
header
;
user
*
LRU_head
;
long
changes_memory
=
0
;
long long
changes_count
=
0
;
long long
del_by_LRU
;
char
*
load_user_metafile
(
user
*
u
,
int
local_user_id
,
int
no_aio
);
int
unload_user_metafile
(
user
*
u
);
int
get_local_user_id
(
int
user_id
) {
if
(
user_id
<=
0
) {
return
-1
;
}
if
(
user_id
%
log_split_mod
!=
log_split_min
) {
return
-1
;
}
if
(
write_only
) {
return
1
;
}
return
ltbl_get_to
(
&
user_table
,
user_id
);
}
int
local_user_id
(
int
user_id
) {
if
(
user_id
<=
0
) {
return
-1
;
}
if
(
user_id
%
log_split_mod
!=
log_split_min
) {
return
-1
;
}
if
(
write_only
) {
return
1
;
}
return
ltbl_add
(
&
user_table
,
user_id
);
}
user
*
conv_user_id
(
int
user_id
) {
int
local_id
=
local_user_id
(
user_id
);
if
(
local_id
==
-1
) {
return
NULL
;
}
assert
(
local_id
+
1
<
user_table
.
to
.
size
);
user
*
u
=
&
users
[
local_id
];
if
(
immediate_mode
==
1
) {
assert
(
load_user_metafile
(
u
,
local_id
,
1
));
}
return
u
;
}
#ifdef
HINTS
LIST
mtf_get
(
user
*
u
,
long long
key
,
int
*
len
) {
int
n
=
u
->
mtf_n
;
if
(
n
==
0
) {
*
len
=
0
;
return
NULL
;
}
int
*
ind
=
u
->
mtf_i
;
if
(
header
.
perf_hash
) {
short
*
h
=
u
->
mtf_h
;
int
l
=
ph_h
(
&
u
->
h
,
key
);
if
(
l
<
n
&&
(
short
)
key
==
h
[
l
]) {
*
len
=
ind
[
l
+
1
]
-
ind
[
l
];
return
(
LIST
)(
u
->
metafile
+
ind
[
l
]);
}
else
{
*
len
=
0
;
return
NULL
;
}
}
else
{
long long
*
h
=
u
->
mtf_h
;
int
l
=
0
,
r
=
n
,
c
;
while
(
l
+
1
<
r
) {
c
=
(
l
+
r
) >>
1
;
if
(
h
[
c
] <=
key
) {
l
=
c
;
}
else
{
r
=
c
;
}
}
if
(
h
[
l
]
==
key
) {
*
len
=
ind
[
l
+
1
]
-
ind
[
l
];
return
(
LIST
)(
u
->
metafile
+
ind
[
l
]);
}
else
{
*
len
=
0
;
return
NULL
;
}
}
}
#endif
inline
void
check
(
user
*
u
,
int
local_id
) {
assert
(
local_id
>
0
);
if
(
local_id
>
u
->
object_old_n
) {
assert
(
ltbl_get_rev
(
&
u
->
object_table
,
local_id
-
u
->
object_old_n
));
}
}
long long
user_get_object_type_id
(
user
*
u
,
int
local_id
) {
check
(
u
,
local_id
);
if
(
local_id
<=
u
->
object_old_n
) {
return
u
->
object_type_ids
[
local_id
];
}
else
{
return
ltbl_get_rev
(
&
u
->
object_table
,
local_id
-
u
->
object_old_n
);
}
}
rating
*
user_get_object_rating
(
user
*
u
,
int
local_id
,
int
num
) {
check
(
u
,
local_id
);
assert
(
0
<=
num
&&
num
<
rating_num
);
if
(
local_id
<=
u
->
object_old_n
) {
return
&
u
->
object_old_ratings
[
local_id
*
rating_num
+
num
];
}
else
{
return
&
u
->
object_ratings
[(
local_id
-
u
->
object_old_n
)
*
rating_num
+
num
];
}
}
rating
user_get_now_object_rating
(
user
*
u
,
int
local_id
,
int
num
) {
if
(
GET_USER_RATING_STATE
(
u
->
flags
)
==
0
) {
return
0.0
;
}
rating
r
=
*
user_get_object_rating
(
u
,
local_id
,
num
);
if
(
fading
) {
r
*=
expf
(((
rating
)(
ratingT
-
now
)) /
RATING_NORM
);
}
return
r
;
}
rating
user_get_object_weight
(
user
*
u
,
int
local_id
,
int
num
) {
check
(
u
,
local_id
);
return
*
user_get_object_rating
(
u
,
local_id
,
num
);
}
int
user_get_object_local_id_type_id
(
user
*
u
,
long long
type_id
) {
if
(
u
->
object_old_n
) {
int
l
=
1
,
r
=
u
->
object_old_n
+
1
,
c
;
while
(
l
+
1
<
r
) {
c
=
(
l
+
r
) >>
1
;
if
(
u
->
object_type_ids
[
c
] <=
type_id
) {
l
=
c
;
}
else
{
r
=
c
;
}
}
if
(
u
->
object_type_ids
[
l
]
==
type_id
) {
return
l
;
}
}
int
res
=
ltbl_get_to
(
&
u
->
object_table
,
type_id
);
if
(
res
==
0
) {
return
0
;
}
return
res
+
u
->
object_old_n
;
}
int
user_get_object_local_id
(
user
*
u
,
int
type
,
int
object_id
) {
return
user_get_object_local_id_type_id
(
u
,
TYPE_ID
(
type
,
object_id
));
}
#ifdef
HINTS
char
*
user_get_object_name
(
user
*
u
,
int
local_id
) {
check
(
u
,
local_id
);
if
(
local_id
<=
u
->
object_old_n
) {
if
(
u
->
object_indexes
[
local_id
]
&
MEM_FLAG
) {
return
*
((
char
*
*
)(
u
->
object_data
+
(
u
->
object_indexes
[
local_id
]
&
~
MEM_FLAG
)));
}
else
{
return
(
u
->
object_data
+
u
->
object_indexes
[
local_id
]);
}
}
else
{
return
u
->
object_names
[
local_id
-
u
->
object_old_n
];
}
}
#endif
inline
int
rating_cmp
(
rating
a
,
rating
b
) {
rating
res
=
a
-
b
;
if
(
fabsf
(
res
)
<
1e-7f
) {
return
0
;
}
if
(
res
<
0
) {
return
-1
;
}
return
1
;
}
void
rating_incr
(
rating
*
a
,
int
cnt
,
int
now_time
) {
if
(
fading
) {
rating
dt
=
((
rating
)(
now_time
-
ratingT
)) /
RATING_NORM
;
*
a
+=
expf
(
dt
)
*
cnt
;
}
else
{
*
a
+=
cnt
-
128
;
if
(
*
a
<
-
MAX_RATING
) {
*
a
=
-
MAX_RATING
;
}
if
(
*
a
>
MAX_RATING
) {
*
a
=
MAX_RATING
;
}
}
}
int
object_cmp
(
user
*
u
,
int
a
,
int
b
,
int
num
) {
int
x
=
0
;
if
(
GET_USER_RATING_STATE
(
u
->
flags
)
==
1
) {
x
=
rating_cmp
(
*
user_get_object_rating
(
u
,
a
,
num
),
*
user_get_object_rating
(
u
,
b
,
num
));
}
if
(
x
!=
0
) {
return
x
;
}
// TODO optimize if needed
long long
a1
=
user_get_object_type_id
(
u
,
a
);
long long
b1
=
user_get_object_type_id
(
u
,
b
);
if
(
a1
<
b1
) {
return
1
;
}
else
if
(
a1
>
b1
) {
return
-1
;
}
return
0
;
}
void
del_user_used
(
user
*
u
) {
u
->
next_used
->
prev_used
=
u
->
prev_used
;
u
->
prev_used
->
next_used
=
u
->
next_used
;
}
void
add_user_used
(
user
*
u
) {
user
*
y
=
LRU_head
->
prev_used
;
u
->
next_used
=
LRU_head
;
LRU_head
->
prev_used
=
u
;
u
->
prev_used
=
y
;
y
->
next_used
=
u
;
}
void
user_unload
(
user
*
u
) {
assert
(
u
!=
NULL
);
if
(!(
u
->
flags
&
USER_LOADED
)) {
assert
(
0
);
return
;
}
u
->
flags
^=
USER_LOADED
;
unload_user_metafile
(
u
);
}
int
user_LRU_unload
(
void
) {
user
*
u
=
LRU_head
->
next_used
;
if
(
u
==
LRU_head
) {
return
-1
;
}
del_by_LRU
++
;
user_unload
(
u
);
return
0
;
}
void
test_user_unload
(
int
user_id
) {
user
*
u
=
conv_user_id
(
user_id
);
if
(
u
==
NULL
) {
return
;
}
if
(
u
->
flags
&
USER_LOADED
) {
u
->
flags
^=
USER_LOADED
;
unload_user_metafile
(
u
);
}
}
void
user_upd_object_size
(
user
*
u
) {
if
(
u
->
object_table
.
currId
>=
u
->
object_size
) {
int
len
=
u
->
object_size
;
u
->
object_size
=
u
->
object_table
.
currId
*
2
;
#ifdef
HINTS
u
->
object_names
=
dl_realloc
(
u
->
object_names
,
sizeof
(
char
*
)
*
u
->
object_size
,
sizeof
(
char
*
)
*
len
);
memset
(
u
->
object_names
+
len
,
0
,
sizeof
(
char
*
)
*
(
u
->
object_size
-
len
));
#endif
u
->
object_ratings
=
dl_realloc
(
u
->
object_ratings
,
sizeof
(
rating
)
*
u
->
object_size
*
rating_num
,
sizeof
(
rating
)
*
len
*
rating_num
);
memset
(
u
->
object_ratings
+
len
*
rating_num
,
0
,
sizeof
(
rating
)
*
(
u
->
object_size
-
len
)
*
rating_num
);
}
}
void
user_init
(
user
*
u
) {
#ifdef
HINTS
htbl_init
(
&
u
->
pref_table
);
#endif
ltbl_init
(
&
u
->
object_table
);
chg_list_init
(
&
u
->
chg_list_st
,
&
u
->
chg_list_en
);
u
->
object_size
=
0
;
#ifdef
HINTS
u
->
object_names
=
NULL
;
#endif
u
->
object_ratings
=
NULL
;
u
->
chg_list_cur
=
u
->
chg_list_st
;
u
->
chg_list_global
=
global_changes_st
;
u
->
flags
=
SET_USER_INFO
(
0
,
-1
);
u
->
flags
=
SET_USER_RATING_STATE
(
u
->
flags
,
1
);
u
->
next_used
=
NULL
;
u
->
prev_used
=
NULL
;
u
->
metafile
=
NULL
;
u
->
metafile_len
=
0
;
u
->
aio
=
0
;
#ifdef
HINTS
u
->
object_data
=
NULL
;
u
->
object_indexes
=
NULL
;
#else
CHG_INIT
(
u
->
object_chg
);
#endif
u
->
object_type_ids
=
NULL
;
u
->
object_old_n
=
0
;
}
inline
int
user_has_local_object
(
user
*
u
,
int
local_id
) {
if
(!
local_id
) {
return
0
;
}
#ifdef
HINTS
if
(
user_get_object_name
(
u
,
local_id
)
!=
NULL
) {
#else
if
(
chg_has
(
u
->
object_chg
,
local_id
) >=
0
) {
#endif
return
local_id
;
}
return
0
;
}
inline
int
user_has_object
(
user
*
u
,
int
type
,
int
id
) {
int
local_id
=
user_get_object_local_id
(
u
,
type
,
id
);
return
user_has_local_object
(
u
,
local_id
);
}
#ifdef
HINTS
int
get_user_object_text
(
int
user_id
,
int
type
,
long long
object_id
,
char
*
*
text
) {
if
(!
check_user_id
(
user_id
)
||
!
check_type
(
type
)
||
!
check_object_id
(
object_id
)) {
bad_requests
++
;
return
-1
;
}
int
local_user_id
=
get_local_user_id
(
user_id
);
if
(
local_user_id
==
0
) {
return
0
;
}
assert
(
local_user_id
>
0
);
user
*
u
=
conv_user_id
(
user_id
);
assert
(
u
!=
NULL
);
if
(
load_user_metafile
(
u
,
local_user_id
,
NOAIO
)
==
NULL
) {
return
-2
;
}
int
local_id
=
user_get_object_local_id
(
u
,
type
,
object_id
);
if
(!
local_id
) {
return
0
;
}
char
*
name
=
user_get_object_name
(
u
,
local_id
);
if
(
name
==
NULL
) {
return
0
;
}
*
text
=
clean_str
(
name
);
return
1
;
}
#endif
void
user_do_change
(
user
*
u
,
change_list_ptr
change
) {
/* {
int id = ltbl_get_rev (&user_table, (int)(u - users)), x = change->x, type = change->type, tm = change->timestamp, num = change->number;
char *s = change->s;
fprintf (stderr, "do change user = %d %d:%d, timestamp = %d, number = %d <", id, type, x, tm, num);
fprintf (stderr, "%ld><", (long)s);
if (s == NULL || change->x <= 0 || type >= 256) {
fprintf (stderr, "NULL>\n");
} else {
fprintf (stderr, "%s>\n", s);
}
}*/
int
type
=
change
->
type
;
int
local_id
;
if
(
change
->
x
==
0
) {
if
(
type
==
0
) {
//Rating nullify
int
object_n
,
num
;
for
(
object_n
=
u
->
object_old_n
+
u
->
object_table
.
currId
-
1
;
object_n
>
0
;
object_n
--
) {
for
(
num
=
0
;
num
<
rating_num
;
num
++
) {
*
user_get_object_rating
(
u
,
object_n
,
num
)
=
0.0f
;
}
}
}
else
if
(
type
==
1
||
type
==
2
) {
//Set rating state
u
->
flags
=
SET_USER_RATING_STATE
(
u
->
flags
,
type
-
1
);
}
else
{
assert
(
0
);
}
return
;
}
if
(
change
->
x
<
0
) {
if
(
GET_USER_RATING_STATE
(
u
->
flags
)
==
0
) {
return
;
}
int
num
=
type
/
256
;
int
x
=
-
change
->
x
;
type
%=
256
;
local_id
=
user_has_object
(
u
,
type
,
x
);
#ifdef
NOHINTS
if
(!
local_id
&&
add_on_increment
) {
change_list
tmp
;
tmp
.
next
=
NULL
;
tmp
.
s
=
NULL
;
tmp
.
x
=
x
;
tmp
.
type
=
type
;
tmp
.
timestamp
=
change
->
timestamp
;
tmp
.
number
=
change
->
number
;
user_do_change
(
u
,
&
tmp
);
local_id
=
user_has_object
(
u
,
type
,
x
);
}
#endif
if
(
verbosity
>
1
) {
fprintf
(
stderr
,
"Incrementing object of type %d, object_id = %d, local_id = %d\n"
,
type
,
x
,
local_id
);
}
if
(
local_id
!=
0
) {
if
(
num
>=
MAX_RATING_NUM
) {
//set obj rating
if
(
fading
) {
*
user_get_object_rating
(
u
,
local_id
,
num
-
MAX_RATING_NUM
)
=
(
rating
)(
change
->
val
*
expf
(((
rating
)(
change
->
timestamp
-
ratingT
)) /
RATING_NORM
));
}
else
{
rating
*
a
=
user_get_object_rating
(
u
,
local_id
,
num
-
MAX_RATING_NUM
);
*
a
=
change
->
val
;
if
(
*
a
<
-
MAX_RATING
) {
*
a
=
-
MAX_RATING
;
}
if
(
*
a
>
MAX_RATING
) {
*
a
=
MAX_RATING
;
}
}
}
else
{
rating_incr
(
user_get_object_rating
(
u
,
local_id
,
num
),
change
->
cnt
,
change
->
timestamp
);
}
}
return
;
}
if
(
type
>=
256
) {
// global change type
type
-=
256
;
int
new_type
=
change
->
cnt
;
assert
(
0
<
type
&&
type
<
256
);
assert
(
0
<
new_type
&&
new_type
<
256
);
local_id
=
user_get_object_local_id
(
u
,
type
,
change
->
x
);
if
(
verbosity
>
1
) {
fprintf
(
stderr
,
"Changing type of object with type %d, object_id = %d, local_id = %d to type %d\n"
,
type
,
change
->
x
,
local_id
,
new_type
);
}
if
(
user_has_local_object
(
u
,
local_id
)) {
change_list
tmp
;
tmp
.
next
=
NULL
;
#ifdef
HINTS
tmp
.
s
=
user_get_object_name
(
u
,
local_id
);
#else
tmp
.
s
=
NULL
;
#endif
tmp
.
x
=
change
->
x
;
tmp
.
type
=
new_type
;
tmp
.
timestamp
=
change
->
timestamp
;
tmp
.
number
=
change
->
number
;
user_do_change
(
u
,
&
tmp
);
int
new_local_id
=
user_get_object_local_id
(
u
,
new_type
,
change
->
x
);
if
(
new_local_id
==
0
) {
return
;
}
int
num
;
for
(
num
=
0
;
num
<
rating_num
;
num
++
) {
*
user_get_object_rating
(
u
,
new_local_id
,
num
)
=
*
user_get_object_rating
(
u
,
local_id
,
num
);
}
#ifdef
HINTS
tmp
.
s
=
NULL
;
#endif
tmp
.
type
=
-
type
;
user_do_change
(
u
,
&
tmp
);
}
return
;
}
int
is_del
;
if
(
type
<
0
) {
is_del
=
1
;
type
=
-
type
;
}
else
{
is_del
=
0
;
}
#ifdef
HINTS
char
*
s
,
*
*
s_ptr
=
NULL
;
int
s_in_mtf
=
0
;
#endif
if
(
is_del
==
1
) {
assert
(
change
->
s
==
NULL
);
local_id
=
user_has_object
(
u
,
type
,
change
->
x
);
if
(
verbosity
>
1
) {
fprintf
(
stderr
,
"Deleting object of type %d, object_id = %d, local_id = %d\n"
,
type
,
change
->
x
,
local_id
);
}
if
(
local_id
==
0
) {
return
;
// object doesn't exist (do not need to delete)
}
#ifdef
HINTS
if
(
local_id
<=
u
->
object_old_n
) {
s_ptr
=
((
char
*
*
)(
u
->
object_data
+
(
u
->
object_indexes
[
local_id
]
&
~
MEM_FLAG
)));
if
(
u
->
object_indexes
[
local_id
]
&
MEM_FLAG
) {
s
=
*
s_ptr
;
}
else
{
s_in_mtf
=
1
;
s
=
(
u
->
object_data
+
u
->
object_indexes
[
local_id
]);
u
->
object_indexes
[
local_id
] |=
MEM_FLAG
;
vct_add
(
&
u
->
changed_objs
,
local_id
);
}
}
else
{
s_ptr
=
&
u
->
object_names
[
local_id
-
u
->
object_old_n
];
s
=
*
s_ptr
;
}
#else
chg_del
(
&
u
->
object_chg
,
local_id
*
2
+
1
);
#endif
}
else
{
#ifdef
HINTS
assert
(
change
->
s
!=
NULL
);
#else
assert
(
change
->
s
==
NULL
);
#endif
local_id
=
user_get_object_local_id
(
u
,
type
,
change
->
x
);
if
(
verbosity
>
1
) {
fprintf
(
stderr
,
"Adding object of type %d, object_id = %d, local_id = %d\n"
,
type
,
change
->
x
,
local_id
);
}
if
(
user_has_local_object
(
u
,
local_id
)) {
#ifdef
HINTS
change_list
tmp
;
tmp
.
next
=
NULL
;
tmp
.
s
=
NULL
;
tmp
.
x
=
change
->
x
;
tmp
.
type
=
-
type
;
tmp
.
timestamp
=
change
->
timestamp
;
tmp
.
number
=
change
->
number
;
user_do_change
(
u
,
&
tmp
);
#else
return
;
#endif
}
else
{
if
(
local_id
==
0
) {
if
(
u
->
object_old_n
+
u
->
object_table
.
currId
+
1
<
MAX_CNT
-
(
max_cnt_type
[
type
]
<
MAX_CNT
)
*
MAX_CNT
/
10
) {
local_id
=
ltbl_add
(
&
u
->
object_table
,
TYPE_ID
(
type
,
change
->
x
))
+
u
->
object_old_n
;
user_upd_object_size
(
u
);
if
(
fading
) {
int
num
;
for
(
num
=
0
;
num
<
rating_num
;
num
++
) {
rating_incr
(
user_get_object_rating
(
u
,
local_id
,
num
),
1
,
change
->
timestamp
);
}
}
if
(
type
==
10
) {
friend_changes
++
;
}
}
else
{
return
;
}
if
(
verbosity
>
1
) {
fprintf
(
stderr
,
"Adding object of type %d, object_id = %d, local_id = %d\n"
,
type
,
change
->
x
,
local_id
);
}
}
}
#ifdef
NOHINTS
chg_add
(
&
u
->
object_chg
,
local_id
*
2
+
1
);
#endif
user_upd_object_size
(
u
);
#ifdef
HINTS
assert
(
user_get_object_name
(
u
,
local_id
)
==
NULL
);
int
len
=
(
strlen
(
change
->
s
)
+
1
)
*
sizeof
(
char
);
s
=
dl_malloc
(
len
);
memcpy
(
s
,
change
->
s
,
len
);
if
(
local_id
<=
u
->
object_old_n
) {
*
((
char
*
*
)(
u
->
object_data
+
(
u
->
object_indexes
[
local_id
]
&
~
MEM_FLAG
)))
=
s
;
assert
(
u
->
object_indexes
[
local_id
]
&
MEM_FLAG
);
}
else
{
u
->
object_names
[
local_id
-
u
->
object_old_n
]
=
s
;
}
#endif
}
#ifdef
HINTS
assert
(
s
!=
NULL
);
// fprintf (stderr, " %s for object id = %d <%s>\n", is_del ? "del" : "add", local_id, s);
long long
*
v
=
gen_hashes
(
s
);
int
i
;
for
(
i
=
0
;
v
[
i
];
i
++
) {
if
(
is_del
) {
htbl_del
(
&
u
->
pref_table
,
v
[
i
],
local_id
);
}
else
{
htbl_add
(
&
u
->
pref_table
,
v
[
i
],
local_id
);
}
}
if
(
is_del
) {
if
(!
s_in_mtf
) {
dl_free
(
s
, (
strlen
(
s
)
+
1
)
*
sizeof
(
char
));
}
*
s_ptr
=
NULL
;
}
#endif
}
// TODO object_id may be long long
#ifdef
HINTS
int
user_add_object
(
user
*
u
,
int
type
,
long long
object_id
,
char
*
buf
) {
#else
int
user_add_object
(
user
*
u
,
int
type
,
long long
object_id
) {
#endif
if
(!
check_type
(
type
)
||
!
check_object_id
(
object_id
)) {
return
0
;
}
if
(
write_only
||
no_changes
) {
return
1
;
}
#ifdef
HINTS
changes_memory
-=
dl_get_memory_used
();
char
*
clone
=
prepare_str
(
buf
);
changes_memory
+=
dl_get_memory_used
();
if
(
clone
==
NULL
) {
if
(
verbosity
>
1
) {
fprintf
(
stderr
,
"botva %s\n"
,
buf
);
}
return
0
;
}
// fprintf (stderr, "add[%lld] %d:%d <%s>|<%s> %p\n", user_table.rev[u - users], type, (int)object_id, clone, buf, clone);
chg_list_add_string
(
&
u
->
chg_list_st
,
&
u
->
chg_list_en
,
+
type
, (
int
)
object_id
,
clone
);
#else
chg_list_add_string
(
&
u
->
chg_list_st
,
&
u
->
chg_list_en
,
+
type
, (
int
)
object_id
,
NULL
);
#endif
changes_count
++
;
return
1
;
}
int
user_set_object_type
(
user
*
u
,
int
object_type
,
long long
object_id
,
int
new_object_type
) {
if
(!
check_type
(
object_type
)
||
!
check_type
(
new_object_type
)
||
!
check_object_id
(
object_id
)) {
return
0
;
}
if
(
write_only
||
no_changes
) {
return
1
;
}
chg_list_add_int
(
&
u
->
chg_list_st
,
&
u
->
chg_list_en
,
object_type
+
256
, (
int
)
object_id
,
new_object_type
);
changes_count
++
;
return
1
;
}
int
user_del_object
(
user
*
u
,
int
type
,
long long
object_id
,
int
force
) {
if
(!
check_type
(
type
)
||
!
check_object_id
(
object_id
)) {
return
0
;
}
if
(!
force
) {
if
(
write_only
||
no_changes
) {
return
1
;
}
}
chg_list_add_string
(
&
u
->
chg_list_st
,
&
u
->
chg_list_en
,
-
type
, (
int
)
object_id
,
NULL
);
changes_count
++
;
return
1
;
}
void
user_apply_changes
(
user
*
u
) {
assert
(
u
->
flags
&
USER_LOADED
);
while
(
u
->
chg_list_cur
->
next
!=
NULL
||
u
->
chg_list_global
->
next
!=
NULL
) {
if
(
u
->
chg_list_global
->
next
==
NULL
||
(
u
->
chg_list_cur
->
next
!=
NULL
&&
u
->
chg_list_cur
->
next
->
number
<
u
->
chg_list_global
->
next
->
number
)) {
u
->
chg_list_cur
=
u
->
chg_list_cur
->
next
;
user_do_change
(
u
,
u
->
chg_list_cur
);
}
else
{
u
->
chg_list_global
=
u
->
chg_list_global
->
next
;
int
type
=
u
->
chg_list_global
->
type
;
if
(
type
>=
256
) {
type
-=
256
;
}
else
if
(
type
<
0
) {
type
=
-
type
;
}
if
(
user_has_object
(
u
,
type
,
u
->
chg_list_global
->
x
)) {
user_do_change
(
u
,
u
->
chg_list_global
);
}
}
}
}
int
*
buff
;
#ifdef
HINTS
View remainder of file in raw view
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