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FS-11827: [Core] Add feature allowing FreeSWITCH to store CORE DB (SQLite) fully in memory (core-db-dsn).

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This commit is contained in:
Andrey Volk
2019-09-15 23:56:04 +04:00
parent e753e615ca
commit 20295c53ef
5 changed files with 121 additions and 27 deletions
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src/switch_core_db.c
+53 -6
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@@ -50,6 +50,11 @@ SWITCH_DECLARE(int) switch_core_db_open(const char *filename, switch_core_db_t *
return sqlite3_open(filename, ppDb);
}
SWITCH_DECLARE(int) switch_core_db_open_v2(const char *filename, switch_core_db_t **ppDb)
{
return sqlite3_open_v2(filename, ppDb, SQLITE_OPEN_READWRITE | SQLITE_OPEN_CREATE | SQLITE_OPEN_URI, NULL);
}
SWITCH_DECLARE(int) switch_core_db_close(switch_core_db_t *db)
{
return sqlite3_close(db);
@@ -84,6 +89,7 @@ SWITCH_DECLARE(int) switch_core_db_exec(switch_core_db_t *db, const char *sql, s
while (--sane > 0) {
ret = sqlite3_exec(db, sql, callback, data, &err);
if (ret == SQLITE_BUSY || ret == SQLITE_LOCKED) {
switch_log_printf(SWITCH_CHANNEL_LOG, SWITCH_LOG_WARNING, "SQLite is %s, sane=%d [%s]\n", (ret == SQLITE_BUSY ? "BUSY" : "LOCKED"), sane, sql);
if (sane > 1) {
switch_core_db_free(err);
switch_yield(100000);
@@ -187,6 +193,35 @@ SWITCH_DECLARE(int) switch_core_db_load_extension(switch_core_db_t *db, const ch
return ret;
}
static int switch_core_db_connection_setup(switch_core_db_t *db, switch_bool_t in_memory) {
int db_ret;
if ((db_ret = switch_core_db_exec(db, "PRAGMA synchronous=OFF;", NULL, NULL, NULL)) != SQLITE_OK) {
goto end;
}
if ((db_ret = switch_core_db_exec(db, "PRAGMA count_changes=OFF;", NULL, NULL, NULL)) != SQLITE_OK) {
goto end;
}
if ((db_ret = switch_core_db_exec(db, "PRAGMA temp_store=MEMORY;", NULL, NULL, NULL)) != SQLITE_OK) {
goto end;
}
if (!in_memory) {
if ((db_ret = switch_core_db_exec(db, "PRAGMA cache_size=8000;", NULL, NULL, NULL)) != SQLITE_OK) {
goto end;
}
} else {
if ((db_ret = switch_core_db_exec(db, "PRAGMA cache_size=-8192;", NULL, NULL, NULL)) != SQLITE_OK) {
goto end;
}
if ((db_ret = switch_core_db_exec(db, "PRAGMA journal_mode=OFF;", NULL, NULL, NULL)) != SQLITE_OK) {
goto end;
}
}
end:
return db_ret;
}
SWITCH_DECLARE(switch_core_db_t *) switch_core_db_open_file(const char *filename)
{
switch_core_db_t *db;
@@ -197,16 +232,28 @@ SWITCH_DECLARE(switch_core_db_t *) switch_core_db_open_file(const char *filename
if ((db_ret = switch_core_db_open(path, &db)) != SQLITE_OK) {
goto end;
}
if ((db_ret = switch_core_db_exec(db, "PRAGMA synchronous=OFF;", NULL, NULL, NULL)) != SQLITE_OK) {
if ((db_ret = switch_core_db_connection_setup(db, SWITCH_FALSE)) != SQLITE_OK) {
goto end;
}
if ((db_ret = switch_core_db_exec(db, "PRAGMA count_changes=OFF;", NULL, NULL, NULL)) != SQLITE_OK) {
end:
if (db_ret != SQLITE_OK) {
switch_log_printf(SWITCH_CHANNEL_LOG, SWITCH_LOG_ERROR, "SQL ERR [%s]\n", switch_core_db_errmsg(db));
switch_core_db_close(db);
db = NULL;
}
return db;
}
SWITCH_DECLARE(switch_core_db_t *) switch_core_db_open_in_memory(const char *uri)
{
switch_core_db_t *db;
int db_ret;
if ((db_ret = switch_core_db_open_v2(uri, &db)) != SQLITE_OK) {
goto end;
}
if ((db_ret = switch_core_db_exec(db, "PRAGMA cache_size=8000;", NULL, NULL, NULL)) != SQLITE_OK) {
goto end;
}
if ((db_ret = switch_core_db_exec(db, "PRAGMA temp_store=MEMORY;", NULL, NULL, NULL)) != SQLITE_OK) {
if ((db_ret = switch_core_db_connection_setup(db, SWITCH_TRUE)) != SQLITE_OK) {
goto end;
}