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db cache part 2

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git-svn-id: http://svn.freeswitch.org/svn/freeswitch/trunk@15497 d0543943-73ff-0310-b7d9-9358b9ac24b2
This commit is contained in:
Anthony Minessale committed 2009-11-17 19:16:24 +00:00
1 parent 5d6af34594
commit 677144f30c
5 files changed
+92 -6
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src/switch_core_sqldb.c
+77 -5
View File
@@ -106,6 +106,7 @@ static void sql_close(time_t prune)
switch_mutex_unlock(dbh_mutex);
}
SWITCH_DECLARE(void) switch_cache_db_release_db_handle(switch_cache_db_handle_t **dbh)
{
if (dbh && *dbh) {
@@ -114,19 +115,89 @@ SWITCH_DECLARE(void) switch_cache_db_release_db_handle(switch_cache_db_handle_t
}
}
SWITCH_DECLARE(void) switch_cache_db_destroy_db_handle(switch_cache_db_handle_t **dbh)
{
if (dbh && *dbh) {
switch_mutex_lock(dbh_mutex);
switch_log_printf(SWITCH_CHANNEL_LOG, SWITCH_LOG_DEBUG, "Deleting DB connection %s\n", (*dbh)->name);
if ((*dbh)->db) {
switch_core_db_close((*dbh)->db);
(*dbh)->db = NULL;
} else if (switch_odbc_available() && (*dbh)->odbc_dbh) {
switch_odbc_handle_destroy(&(*dbh)->odbc_dbh);
}
switch_core_hash_delete(dbh_hash, (*dbh)->name);
switch_mutex_unlock((*dbh)->mutex);
switch_core_destroy_memory_pool(&(*dbh)->pool);
*dbh = NULL;
switch_mutex_unlock(dbh_mutex);
}
}
SWITCH_DECLARE(void) switch_cache_db_detach(void)
{
char thread_str[CACHE_DB_LEN] = "";
switch_hash_index_t *hi;
const void *var;
void *val;
char *key;
switch_cache_db_handle_t *dbh = NULL;
snprintf(thread_str, sizeof(thread_str) - 1, "%lu", (unsigned long)(intptr_t)switch_thread_self());
switch_mutex_lock(dbh_mutex);
for (hi = switch_hash_first(NULL, dbh_hash); hi; hi = switch_hash_next(hi)) {
switch_hash_this(hi, &var, NULL, &val);
key = (char *) var;
if ((dbh = (switch_cache_db_handle_t *) val)) {
if (switch_mutex_trylock(dbh->mutex) == SWITCH_STATUS_SUCCESS) {
if (strstr(dbh->name, thread_str)) {
switch_clear_flag(dbh, CDF_INUSE);
}
switch_mutex_unlock(dbh->mutex);
}
}
}
switch_mutex_unlock(dbh_mutex);
}
SWITCH_DECLARE(switch_status_t)switch_cache_db_get_db_handle(switch_cache_db_handle_t **dbh,
const char *db_name, const char *odbc_user, const char *odbc_pass)
{
switch_thread_id_t self = switch_thread_self();
char thread_str[256] = "";
char thread_str[CACHE_DB_LEN] = "";
switch_cache_db_handle_t *new_dbh = NULL;
switch_assert(db_name);
snprintf(thread_str, sizeof(thread_str) - 1, "%s_%lu", db_name, (unsigned long)(intptr_t)self);
switch_mutex_lock(dbh_mutex);
if (!(new_dbh = switch_core_hash_find(dbh_hash, thread_str))) {
switch_hash_index_t *hi;
const void *var;
void *val;
char *key;
for (hi = switch_hash_first(NULL, dbh_hash); hi; hi = switch_hash_next(hi)) {
switch_hash_this(hi, &var, NULL, &val);
key = (char *) var;
if ((new_dbh = (switch_cache_db_handle_t *) val)) {
if (!switch_test_flag(new_dbh, CDF_INUSE) && switch_mutex_trylock(new_dbh->mutex) == SWITCH_STATUS_SUCCESS) {
switch_set_flag(new_dbh, CDF_INUSE);
switch_set_string(new_dbh->name, thread_str);
break;
}
}
new_dbh = NULL;
}
}
if (!new_dbh) {
switch_memory_pool_t *pool = NULL;
switch_core_db_t *db = NULL;
switch_odbc_handle_t *odbc_dbh = NULL;
@@ -149,13 +220,14 @@ SWITCH_DECLARE(switch_status_t)switch_cache_db_get_db_handle(switch_cache_db_han
switch_core_new_memory_pool(&pool);
new_dbh = switch_core_alloc(pool, sizeof(*new_dbh));
new_dbh->pool = pool;
switch_set_string(new_dbh->name, thread_str);
switch_set_flag(new_dbh, CDF_INUSE);
if (db) new_dbh->db = db; else new_dbh->odbc_dbh = odbc_dbh;
switch_mutex_init(&new_dbh->mutex, 0, new_dbh->pool);
switch_mutex_init(&new_dbh->mutex, SWITCH_MUTEX_UNNESTED, new_dbh->pool);
switch_mutex_lock(new_dbh->mutex);
switch_core_hash_insert(dbh_hash, thread_str, new_dbh);
switch_core_hash_insert(dbh_hash, new_dbh->name, new_dbh);
}
end: