| 491 |
MYSQL *db = NULL; |
MYSQL *db = NULL; |
| 492 |
USER_LIST *p_tmp; |
USER_LIST *p_tmp; |
| 493 |
USER_ONLINE_LIST *p_online_tmp; |
USER_ONLINE_LIST *p_online_tmp; |
| 494 |
|
int ret = 0; |
| 495 |
|
|
| 496 |
if (p_user_list_pool == NULL) |
if (p_user_list_pool == NULL) |
| 497 |
{ |
{ |
| 511 |
if (user_online_list_load(db, p_user_list_pool->p_online_new) < 0) |
if (user_online_list_load(db, p_user_list_pool->p_online_new) < 0) |
| 512 |
{ |
{ |
| 513 |
log_error("user_online_list_load() error\n"); |
log_error("user_online_list_load() error\n"); |
| 514 |
return -2; |
ret = -2; |
| 515 |
|
goto cleanup; |
| 516 |
} |
} |
| 517 |
|
|
| 518 |
// No online user, no need to swap lists |
// No online user, no need to swap lists |
| 519 |
if (p_user_list_pool->p_online_current->user_count == 0 && p_user_list_pool->p_online_new->user_count == 0) |
if (p_user_list_pool->p_online_current->user_count == 0 && p_user_list_pool->p_online_new->user_count == 0) |
| 520 |
{ |
{ |
| 521 |
return 0; |
goto cleanup; |
| 522 |
} |
} |
| 523 |
} |
} |
| 524 |
else |
else |
| 526 |
if (user_list_load(db, p_user_list_pool->p_new) < 0) |
if (user_list_load(db, p_user_list_pool->p_new) < 0) |
| 527 |
{ |
{ |
| 528 |
log_error("user_list_load() error\n"); |
log_error("user_list_load() error\n"); |
| 529 |
return -2; |
ret = -2; |
| 530 |
|
goto cleanup; |
| 531 |
} |
} |
| 532 |
} |
} |
| 533 |
|
|
| 534 |
mysql_close(db); |
mysql_close(db); |
| 535 |
|
db = NULL; |
| 536 |
|
|
| 537 |
if (user_list_rw_lock(p_user_list_pool->semid) < 0) |
if (user_list_rw_lock(p_user_list_pool->semid) < 0) |
| 538 |
{ |
{ |
| 539 |
log_error("user_list_rw_lock() error\n"); |
log_error("user_list_rw_lock() error\n"); |
| 540 |
return -3; |
ret = -3; |
| 541 |
|
goto cleanup; |
| 542 |
} |
} |
| 543 |
|
|
| 544 |
if (online_user) |
if (online_user) |
| 559 |
if (user_list_rw_unlock(p_user_list_pool->semid) < 0) |
if (user_list_rw_unlock(p_user_list_pool->semid) < 0) |
| 560 |
{ |
{ |
| 561 |
log_error("user_list_rw_unlock() error\n"); |
log_error("user_list_rw_unlock() error\n"); |
| 562 |
return -3; |
ret = -3; |
| 563 |
|
goto cleanup; |
| 564 |
} |
} |
| 565 |
|
|
| 566 |
return 0; |
cleanup: |
| 567 |
|
mysql_close(db); |
| 568 |
|
|
| 569 |
|
return ret; |
| 570 |
} |
} |
| 571 |
|
|
| 572 |
int user_list_try_rd_lock(int semid, int wait_sec) |
int user_list_try_rd_lock(int semid, int wait_sec) |
| 949 |
} |
} |
| 950 |
|
|
| 951 |
// release lock of user list |
// release lock of user list |
| 952 |
|
if (user_list_rd_unlock(p_user_list_pool->semid) < 0) |
| 953 |
|
{ |
| 954 |
|
log_error("user_list_rd_unlock() error\n"); |
| 955 |
|
ret = -1; |
| 956 |
|
} |
| 957 |
|
|
| 958 |
|
return ret; |
| 959 |
|
} |
| 960 |
|
|
| 961 |
|
int query_user_online_info_by_uid(int32_t uid, USER_ONLINE_INFO *p_users, int *p_user_cnt, int start_id) |
| 962 |
|
{ |
| 963 |
|
int left; |
| 964 |
|
int right; |
| 965 |
|
int mid; |
| 966 |
|
int32_t id; |
| 967 |
|
int ret = 0; |
| 968 |
|
int i; |
| 969 |
|
|
| 970 |
|
if (p_users == NULL || p_user_cnt == NULL) |
| 971 |
|
{ |
| 972 |
|
log_error("NULL pointer error\n"); |
| 973 |
|
return -1; |
| 974 |
|
} |
| 975 |
|
|
| 976 |
|
// acquire lock of user list |
| 977 |
|
if (user_list_rd_lock(p_user_list_pool->semid) < 0) |
| 978 |
|
{ |
| 979 |
|
log_error("user_list_rd_lock() error\n"); |
| 980 |
|
return -2; |
| 981 |
|
} |
| 982 |
|
|
| 983 |
|
left = start_id; |
| 984 |
|
right = p_user_list_pool->p_online_current->user_count - 1; |
| 985 |
|
|
| 986 |
|
while (left < right) |
| 987 |
|
{ |
| 988 |
|
mid = (left + right) / 2; |
| 989 |
|
if (uid < p_user_list_pool->p_online_current->index_uid[mid].uid) |
| 990 |
|
{ |
| 991 |
|
right = mid; |
| 992 |
|
} |
| 993 |
|
else if (uid > p_user_list_pool->p_online_current->index_uid[mid].uid) |
| 994 |
|
{ |
| 995 |
|
left = mid + 1; |
| 996 |
|
} |
| 997 |
|
else // if (uid == p_user_list_pool->p_online_current->index_uid[mid].uid) |
| 998 |
|
{ |
| 999 |
|
left = mid; |
| 1000 |
|
break; |
| 1001 |
|
} |
| 1002 |
|
} |
| 1003 |
|
|
| 1004 |
|
if (uid == p_user_list_pool->p_online_current->index_uid[left].uid) |
| 1005 |
|
{ |
| 1006 |
|
right = left; |
| 1007 |
|
left = start_id; |
| 1008 |
|
|
| 1009 |
|
while (left < right) |
| 1010 |
|
{ |
| 1011 |
|
mid = (left + right) / 2; |
| 1012 |
|
if (uid - 1 < p_user_list_pool->p_online_current->index_uid[mid].uid) |
| 1013 |
|
{ |
| 1014 |
|
right = mid; |
| 1015 |
|
} |
| 1016 |
|
else // if (uid - 1 >= p_user_list_pool->p_online_current->index_uid[mid].uid) |
| 1017 |
|
{ |
| 1018 |
|
left = mid + 1; |
| 1019 |
|
} |
| 1020 |
|
} |
| 1021 |
|
|
| 1022 |
|
for (id = left, i = 0; |
| 1023 |
|
id < p_user_list_pool->p_online_current->user_count && i < *p_user_cnt && |
| 1024 |
|
uid == p_user_list_pool->p_online_current->index_uid[id].uid; |
| 1025 |
|
id++, i++) |
| 1026 |
|
{ |
| 1027 |
|
if ((ret = query_user_online_info(id, &(p_users[i]))) <= 0) |
| 1028 |
|
{ |
| 1029 |
|
log_error("query_user_info(id=%d) error: %d\n", id, ret); |
| 1030 |
|
ret = -3; |
| 1031 |
|
break; |
| 1032 |
|
} |
| 1033 |
|
} |
| 1034 |
|
|
| 1035 |
|
if (ret > 0 && i > 0) |
| 1036 |
|
{ |
| 1037 |
|
*p_user_cnt = i; |
| 1038 |
|
ret = 1; |
| 1039 |
|
} |
| 1040 |
|
} |
| 1041 |
|
|
| 1042 |
|
// release lock of user list |
| 1043 |
if (user_list_rd_unlock(p_user_list_pool->semid) < 0) |
if (user_list_rd_unlock(p_user_list_pool->semid) < 0) |
| 1044 |
{ |
{ |
| 1045 |
log_error("user_list_rd_unlock() error\n"); |
log_error("user_list_rd_unlock() error\n"); |