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// Copyright (c) Athena Dev Teams - Licensed under GNU GPL
// For more information, see LICENCE in the main folder
#include "../common/cbasetypes.h"
#include "../common/db.h"
#include "../common/malloc.h"
#include "../common/showmsg.h"
#include "../common/sql.h"
#include "../common/strlib.h"
#include "../common/timer.h"
#include "map.h" // mmysql_handle
#include "script.h"
#include <stdlib.h>
#include <string.h>
static DBMap* mapreg_db = NULL; // int var_id -> int value
static DBMap* mapregstr_db = NULL; // int var_id -> char* value
static char mapreg_table[32] = "mapreg";
static bool mapreg_dirty = false;
#define MAPREG_AUTOSAVE_INTERVAL (300*1000)
/// Looks up the value of an integer variable using its uid.
int mapreg_readreg(int uid)
{
return idb_iget(mapreg_db, uid);
}
/// Looks up the value of a string variable using its uid.
char* mapreg_readregstr(int uid)
{
return idb_get(mapregstr_db, uid);
}
/// Modifies the value of an integer variable.
bool mapreg_setreg(int uid, int val)
{
int num = (uid & 0x00ffffff);
int i = (uid & 0xff000000) >> 24;
const char* name = get_str(num);
if( val != 0 )
{
if( idb_iput(mapreg_db,uid,val) )
mapreg_dirty = true; // already exists, delay write
else if(name[1] != '@')
{// write new variable to database
char tmp_str[32*2+1];
Sql_EscapeStringLen(mmysql_handle, tmp_str, name, strnlen(name, 32));
if( SQL_ERROR == Sql_Query(mmysql_handle, "INSERT INTO `%s`(`varname`,`index`,`value`) VALUES ('%s','%d','%d')", mapreg_table, tmp_str, i, val) )
Sql_ShowDebug(mmysql_handle);
}
}
else // val == 0
{
idb_remove(mapreg_db,uid);
if( name[1] != '@' )
{// Remove from database because it is unused.
if( SQL_ERROR == Sql_Query(mmysql_handle, "DELETE FROM `%s` WHERE `varname`='%s' AND `index`='%d'", mapreg_table, name, i) )
Sql_ShowDebug(mmysql_handle);
}
}
return true;
}
/// Modifies the value of a string variable.
bool mapreg_setregstr(int uid, const char* str)
{
int num = (uid & 0x00ffffff);
int i = (uid & 0xff000000) >> 24;
const char* name = get_str(num);
if( str == NULL || *str == 0 )
{
if(name[1] != '@') {
if( SQL_ERROR == Sql_Query(mmysql_handle, "DELETE FROM `%s` WHERE `varname`='%s' AND `index`='%d'", mapreg_table, name, i) )
Sql_ShowDebug(mmysql_handle);
}
idb_remove(mapregstr_db,uid);
}
else
{
if (idb_put(mapregstr_db,uid, aStrdup(str)))
mapreg_dirty = true;
else if(name[1] != '@') { //put returned null, so we must insert.
// Someone is causing a database size infinite increase here without name[1] != '@' [Lance]
char tmp_str[32*2+1];
char tmp_str2[255*2+1];
Sql_EscapeStringLen(mmysql_handle, tmp_str, name, strnlen(name, 32));
Sql_EscapeStringLen(mmysql_handle, tmp_str2, str, strnlen(str, 255));
if( SQL_ERROR == Sql_Query(mmysql_handle, "INSERT INTO `%s`(`varname`,`index`,`value`) VALUES ('%s','%d','%s')", mapreg_table, tmp_str, i, tmp_str2) )
Sql_ShowDebug(mmysql_handle);
}
}
return true;
}
/// Loads permanent variables from database
static void script_load_mapreg(void)
{
/*
0 1 2
+-------------------------+
| varname | index | value |
+-------------------------+
*/
SqlStmt* stmt = SqlStmt_Malloc(mmysql_handle);
char varname[32+1];
int index;
char value[255+1];
uint32 length;
if ( SQL_ERROR == SqlStmt_Prepare(stmt, "SELECT `varname`, `index`, `value` FROM `%s`", mapreg_table)
|| SQL_ERROR == SqlStmt_Execute(stmt)
) {
SqlStmt_ShowDebug(stmt);
SqlStmt_Free(stmt);
return;
}
SqlStmt_BindColumn(stmt, 0, SQLDT_STRING, &varname[0], sizeof(varname), &length, NULL);
SqlStmt_BindColumn(stmt, 1, SQLDT_INT, &index, 0, NULL, NULL);
SqlStmt_BindColumn(stmt, 2, SQLDT_STRING, &value[0], sizeof(value), NULL, NULL);
while ( SQL_SUCCESS == SqlStmt_NextRow(stmt) )
{
int s = add_str(varname);
int i = index;
if( varname[length-1] == '$' )
idb_put(mapregstr_db, (i<<24)|s, aStrdup(value));
else
idb_iput(mapreg_db, (i<<24)|s, atoi(value));
}
SqlStmt_Free(stmt);
mapreg_dirty = false;
}
/// Saves permanent variables to database
static void script_save_mapreg(void)
{
DBIterator* iter;
DBData *data;
DBKey key;
iter = db_iterator(mapreg_db);
for( data = iter->first(iter,&key); iter->exists(iter); data = iter->next(iter,&key) )
{
int num = (key.i & 0x00ffffff);
int i = (key.i & 0xff000000) >> 24;
const char* name = get_str(num);
if( name[1] == '@' )
continue;
if( SQL_ERROR == Sql_Query(mmysql_handle, "UPDATE `%s` SET `value`='%d' WHERE `varname`='%s' AND `index`='%d'", mapreg_table, db_data2i(data), name, i) )
Sql_ShowDebug(mmysql_handle);
}
dbi_destroy(iter);
iter = db_iterator(mapregstr_db);
for( data = iter->first(iter,&key); iter->exists(iter); data = iter->next(iter,&key) )
{
int num = (key.i & 0x00ffffff);
int i = (key.i & 0xff000000) >> 24;
const char* name = get_str(num);
char tmp_str2[2*255+1];
if( name[1] == '@' )
continue;
Sql_EscapeStringLen(mmysql_handle, tmp_str2, db_data2ptr(data), safestrnlen(db_data2ptr(data), 255));
if( SQL_ERROR == Sql_Query(mmysql_handle, "UPDATE `%s` SET `value`='%s' WHERE `varname`='%s' AND `index`='%d'", mapreg_table, tmp_str2, name, i) )
Sql_ShowDebug(mmysql_handle);
}
dbi_destroy(iter);
mapreg_dirty = false;
}
static int script_autosave_mapreg(int tid, unsigned int tick, int id, intptr_t data)
{
if( mapreg_dirty )
script_save_mapreg();
return 0;
}
void mapreg_reload(void)
{
if( mapreg_dirty )
script_save_mapreg();
db_clear(mapreg_db);
db_clear(mapregstr_db);
script_load_mapreg();
}
void mapreg_final(void)
{
if( mapreg_dirty )
script_save_mapreg();
db_destroy(mapreg_db);
db_destroy(mapregstr_db);
}
void mapreg_init(void)
{
mapreg_db = idb_alloc(DB_OPT_BASE);
mapregstr_db = idb_alloc(DB_OPT_RELEASE_DATA);
script_load_mapreg();
add_timer_func_list(script_autosave_mapreg, "script_autosave_mapreg");
add_timer_interval(gettick() + MAPREG_AUTOSAVE_INTERVAL, script_autosave_mapreg, 0, 0, MAPREG_AUTOSAVE_INTERVAL);
}
bool mapreg_config_read(const char* w1, const char* w2)
{
if(!strcmpi(w1, "mapreg_db"))
safestrncpy(mapreg_table, w2, sizeof(mapreg_table));
else
return false;
return true;
}
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