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Add config variables save/test/clear for 64bit integer as hex string

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This commit is contained in:
Julien BLACHE 2010-08-04 19:01:53 +02:00
parent e373f83660
commit 058e2e9b2b
2 changed files with 128 additions and 0 deletions
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119
src/db.c
View File

@ -3010,6 +3010,42 @@ db_config_save_int(const char *key, int val)
#undef Q_TMPL
}
int
db_config_save_hex64(const char *key, uint64_t val)
{
#define Q_TMPL "INSERT OR REPLACE INTO admin (key, value) VALUES ('%q', '%016" PRIx64 "');"
char *query;
char *errmsg;
int ret;
query = sqlite3_mprintf(Q_TMPL, key, val);
if (!query)
{
DPRINTF(E_LOG, L_DB, "Out of memory for query string\n");
return -1;
}
DPRINTF(E_DBG, L_DB, "Running query '%s'\n", query);
errmsg = NULL;
ret = db_exec(query, &errmsg);
if (ret != SQLITE_OK)
{
DPRINTF(E_LOG, L_DB, "Error saving hex64 value: %s\n", errmsg);
sqlite3_free(errmsg);
sqlite3_free(query);
return -1;
}
sqlite3_free(query);
return 0;
#undef Q_TMPL
}
int
db_config_fetch_int(const char *key, int *val)
{
@ -3061,6 +3097,89 @@ db_config_fetch_int(const char *key, int *val)
#undef Q_TMPL
}
int
db_config_has_tuple_hex64(const char *key, uint64_t val)
{
#define Q_TMPL "SELECT 1 FROM admin WHERE key = '%q' AND value = '%016" PRIx64 "';"
sqlite3_stmt *stmt;
char *query;
int ret;
query = sqlite3_mprintf(Q_TMPL, key, val);
if (!query)
{
DPRINTF(E_LOG, L_DB, "Out of memory for query string\n");
return -1;
}
DPRINTF(E_DBG, L_DB, "Running query '%s'\n", query);
ret = db_blocking_prepare_v2(query, -1, &stmt, NULL);
if (ret != SQLITE_OK)
{
DPRINTF(E_LOG, L_DB, "Could not prepare statement: %s\n", sqlite3_errmsg(hdl));
ret = -1;
goto out;
}
ret = db_blocking_step(stmt);
switch (ret)
{
case SQLITE_ROW:
ret = 1;
break;
case SQLITE_DONE:
ret = 0;
break;
default:
DPRINTF(E_LOG, L_DB, "Could not step: %s\n", sqlite3_errmsg(hdl));
ret = -1;
break;
}
sqlite3_finalize(stmt);
out:
sqlite3_free(query);
return ret;
#undef Q_TMPL
}
void
db_config_clear_key(const char *key)
{
#define Q_TMPL "DELETE FROM admin WHERE key = '%q';"
char *query;
char *errmsg;
int ret;
query = sqlite3_mprintf(Q_TMPL, key);
if (!query)
{
DPRINTF(E_LOG, L_DB, "Out of memory for query string\n");
return;
}
DPRINTF(E_DBG, L_DB, "Running query '%s'\n", query);
ret = db_exec(query, &errmsg);
if (ret != SQLITE_OK)
DPRINTF(E_LOG, L_DB, "Error clearing config key %s: %s\n", key, errmsg);
sqlite3_free(errmsg);
sqlite3_free(query);
#undef Q_TMPL
}
/* Inotify */
int

9
src/db.h
View File

@ -406,9 +406,18 @@ db_pairing_fetch_byguid(struct pairing_info *pi);
int
db_config_save_int(const char *key, int val);
int
db_config_save_hex64(const char *key, uint64_t val);
int
db_config_fetch_int(const char *key, int *val);
int
db_config_has_tuple_hex64(const char *key, uint64_t val);
void
db_config_clear_key(const char *key);
/* Inotify */
int
db_watch_clear(void);