server/src/sqlite.c

207 lines
6.1 KiB
C

#include <platform.h>
#include <kernel/config.h>
#include <kernel/faction.h>
#include <kernel/race.h>
#include <util/language.h>
#include <util/unicode.h>
#include <util/log.h>
#include <util/base36.h>
#include <util/log.h>
#include <quicklist.h>
#include <sqlite3.h>
#include <md5.h>
#include <assert.h>
#include <string.h>
#include <stdlib.h>
faction *get_faction_by_id(int uid)
{
faction *f;
for (f = factions; f; f = f->next) {
if (f->subscription == uid) {
return f;
}
}
return NULL;
}
/*
typedef struct stmt_cache {
sqlite3 *db;
sqlite3_stmt *stmt;
const char *sql;
int inuse;
} stmt_cache;
#define MAX_STMT_CACHE 64
static stmt_cache cache[MAX_STMT_CACHE];
static int cache_insert;
static sqlite3_stmt *stmt_cache_get(sqlite3 * db, const char *sql)
{
int i;
sqlite3_stmt *stmt;
for (i = 0; i != MAX_STMT_CACHE && cache[i].db; ++i) {
if (cache[i].sql == sql && cache[i].db == db) {
cache[i].inuse = 1;
stmt = cache[i].stmt;
sqlite3_reset(stmt);
sqlite3_clear_bindings(stmt);
return stmt;
}
}
if (i == MAX_STMT_CACHE) {
while (cache[cache_insert].inuse) {
cache[cache_insert].inuse = 0;
cache_insert = (cache_insert + 1) & (MAX_STMT_CACHE - 1);
}
i = cache_insert;
stmt = cache[i].stmt;
sqlite3_finalize(stmt);
}
cache[i].inuse = 1;
cache[i].db = db;
cache[i].sql = sql;
sqlite3_prepare_v2(db, sql, -1, &cache[i].stmt, NULL);
return cache[i].stmt;
}
*/
typedef struct db_faction {
int uid;
int no;
char *email;
char *name;
} db_faction;
static struct quicklist *
read_factions(sqlite3 * db, int game_id) {
int res;
quicklist *result = 0;
const char * sql =
"SELECT f.id, fd.code, fd.name, fd.email FROM faction f"
" LEFT OUTER JOIN faction_data fd"
" WHERE f.id=fd.faction_id AND f.game_id=? AND"
" fd.turn=(SELECT MAX(turn) FROM faction_data fx WHERE fx.faction_id=f.id)"
" ORDER BY f.id";
sqlite3_stmt *stmt = 0;
sqlite3_prepare_v2(db, sql, -1, &stmt, 0);
sqlite3_bind_int(stmt, 1, game_id);
res = sqlite3_step(stmt);
while (res == SQLITE_ROW) {
const char * text;
db_faction * dbf = (db_faction*)calloc(1, sizeof(db_faction));
dbf->uid = (int)sqlite3_column_int64(stmt, 0);
text = (const char *)sqlite3_column_text(stmt, 1);
if (text) dbf->no = atoi36(text);
text = (const char *)sqlite3_column_text(stmt, 2);
if (text) dbf->name = _strdup(text);
text = (const char *)sqlite3_column_text(stmt, 3);
if (text) dbf->email = _strdup(text);
ql_push(&result, dbf);
res = sqlite3_step(stmt);
}
sqlite3_finalize(stmt);
return result;
}
static int insert_faction(sqlite3 *db, int game_id, faction *f) {
const char *sql = "INSERT INTO faction (game_id, race) VALUES (?, ?)";
sqlite3_stmt *stmt = 0;
sqlite3_prepare_v2(db, sql, -1, &stmt, 0);
sqlite3_bind_int(stmt, 1, game_id);
sqlite3_bind_text(stmt, 2, f->race->_name, -1, SQLITE_STATIC);
sqlite3_step(stmt);
sqlite3_finalize(stmt);
return (int)sqlite3_last_insert_rowid(db);
}
static void update_faction(sqlite3 *db, const faction *f) {
char code[5];
const char *sql =
"INSERT INTO faction_data (faction_id, code, name, email, lang, turn)"
" VALUES (?, ?, ?, ?, ?, ?)";
sqlite3_stmt *stmt = 0;
strcpy(code, itoa36(f->no));
sqlite3_prepare_v2(db, sql, -1, &stmt, 0);
sqlite3_bind_int(stmt, 1, f->subscription);
sqlite3_bind_text(stmt, 2, code, -1, SQLITE_STATIC);
sqlite3_bind_text(stmt, 3, f->name, -1, SQLITE_STATIC);
sqlite3_bind_text(stmt, 4, f->email, -1, SQLITE_STATIC);
sqlite3_bind_text(stmt, 5, locale_name(f->locale), -1, SQLITE_STATIC);
sqlite3_bind_int(stmt, 6, turn);
sqlite3_step(stmt);
sqlite3_finalize(stmt);
}
int db_update_factions(sqlite3 * db, bool force, int game_id) {
quicklist *ql = read_factions(db, game_id);
faction *f;
sqlite3_exec(db, "BEGIN", 0, 0, 0);
for (f = factions; f; f = f->next) {
bool update = force;
db_faction *dbf = 0;
ql_iter it = qli_init(&ql);
while (qli_more(it)) {
db_faction *df = (db_faction*)qli_next(&it);
if (f->no == df->no || strcmp(f->email, df->email) == 0 || strcmp(f->name, df->name) == 0) {
dbf = df;
}
if (f->subscription == df->uid) {
dbf = df;
break;
}
}
if (dbf) {
if (dbf->uid != f->subscription) {
log_warning("faction %s(%d) not found in database, but matches %d\n", itoa36(f->no), f->subscription, dbf->uid);
f->subscription = dbf->uid;
}
update = (dbf->no != f->no) || (strcmp(f->email, dbf->email) != 0) || (strcmp(f->name, dbf->name) != 0);
}
else {
f->subscription = insert_faction(db, game_id, f);
log_warning("faction %s not found in database, created as %d\n", itoa36(f->no), f->subscription);
update = true;
}
if (update) {
update_faction(db, f);
log_debug("faction %s updated\n", itoa36(f->no));
}
}
sqlite3_exec(db, "COMMIT", 0, 0, 0);
return SQLITE_OK;
}
int db_update_scores(sqlite3 * db, bool force)
{
/*
const char *sql_ins =
"INSERT OR FAIL INTO score (value,faction_id,turn) VALUES (?,?,?)";
sqlite3_stmt *stmt_ins = stmt_cache_get(db, sql_ins);
const char *sql_upd =
"UPDATE score set value=? WHERE faction_id=? AND turn=?";
sqlite3_stmt *stmt_upd = stmt_cache_get(db, sql_upd);
faction *f;
sqlite3_exec(db, "BEGIN", 0, 0, 0);
for (f = factions; f; f = f->next) {
int res;
sqlite3_bind_int(stmt_ins, 1, f->score);
sqlite3_bind_int64(stmt_ins, 2, f->subscription);
sqlite3_bind_int(stmt_ins, 3, turn);
res = sqlite3_step(stmt_ins);
if (res == SQLITE_CONSTRAINT) {
sqlite3_bind_int(stmt_upd, 1, f->score);
sqlite3_bind_int64(stmt_upd, 2, f->subscription);
sqlite3_bind_int(stmt_upd, 3, turn);
res = sqlite3_step(stmt_upd);
sqlite3_reset(stmt_upd);
}
sqlite3_reset(stmt_ins);
}
sqlite3_exec(db, "COMMIT", 0, 0, 0);
*/
return SQLITE_OK;
}