/**
* afsql_dd_insert_db:
*
* This function is running in the database thread
*
* Returns: FALSE to indicate that the connection should be closed and
* this destination suspended for time_reopen() time.
**/
static gboolean
afsql_dd_insert_db(AFSqlDestDriver *self)
{
GString *table, *query_string;
LogMessage *msg;
gboolean success;
LogPathOptions path_options = LOG_PATH_OPTIONS_INIT;
afsql_dd_connect(self);
success = log_queue_pop_head(self->queue, &msg, &path_options, (self->flags & AFSQL_DDF_EXPLICIT_COMMITS), FALSE);
if (!success)
return TRUE;
msg_set_context(msg);
table = afsql_dd_validate_table(self, msg);
if (!table)
{
/* If validate table is FALSE then close the connection and wait time_reopen time (next call) */
msg_error("Error checking table, disconnecting from database, trying again shortly",
evt_tag_int("time_reopen", self->time_reopen),
NULL);
msg_set_context(NULL);
g_string_free(table, TRUE);
return afsql_dd_insert_fail_handler(self, msg, &path_options);
}
query_string = afsql_dd_construct_query(self, table, msg);
if (self->flush_lines_queued == 0 && !afsql_dd_begin_txn(self))
return FALSE;
success = afsql_dd_run_query(self, query_string->str, FALSE, NULL);
if (success && self->flush_lines_queued != -1)
{
self->flush_lines_queued++;
if (self->flush_lines && self->flush_lines_queued == self->flush_lines && !afsql_dd_commit_txn(self))
return FALSE;
}
g_string_free(table, TRUE);
g_string_free(query_string, TRUE);
msg_set_context(NULL);
if (!success)
return afsql_dd_insert_fail_handler(self, msg, &path_options);
/* we only ACK if each INSERT is a separate transaction */
if ((self->flags & AFSQL_DDF_EXPLICIT_COMMITS) == 0)
log_msg_ack(msg, &path_options);
log_msg_unref(msg);
step_sequence_number(&self->seq_num);
self->failed_message_counter = 0;
return TRUE;
}
/**
* afsql_dd_insert_db:
*
* This function is running in the database thread
*
* Returns: FALSE to indicate that the connection should be closed and
* this destination suspended for time_reopen() time.
**/
static gboolean
afsql_dd_insert_db(AFSqlDestDriver *self)
{
GString *table, *query_string;
LogMessage *msg;
gboolean success;
LogPathOptions path_options = LOG_PATH_OPTIONS_INIT;
afsql_dd_connect(self);
g_mutex_lock(self->db_thread_mutex);
/* FIXME: this is a workaround because of the non-proper locking semantics
* of the LogQueue. It might happen that the _queue() method sees 0
* elements in the queue, while the thread is still busy processing the
* previous message. In that case arming the parallel push callback is
* not needed and will cause assertions to fail. This is ugly and should
* be fixed by properly defining the "blocking" semantics of the LogQueue
* object w/o having to rely on user-code messing with parallel push
* callbacks. */
log_queue_reset_parallel_push(self->queue);
success = log_queue_pop_head(self->queue, &msg, &path_options, (self->flags & AFSQL_DDF_EXPLICIT_COMMITS), FALSE);
g_mutex_unlock(self->db_thread_mutex);
if (!success)
return TRUE;
msg_set_context(msg);
table = afsql_dd_validate_table(self, msg);
if (!table)
{
/* If validate table is FALSE then close the connection and wait time_reopen time (next call) */
msg_error("Error checking table, disconnecting from database, trying again shortly",
evt_tag_int("time_reopen", self->time_reopen),
NULL);
msg_set_context(NULL);
g_string_free(table, TRUE);
return afsql_dd_insert_fail_handler(self, msg, &path_options);
}
query_string = afsql_dd_construct_query(self, table, msg);
if (self->flush_lines_queued == 0 && !afsql_dd_begin_txn(self))
return FALSE;
success = afsql_dd_run_query(self, query_string->str, FALSE, NULL);
if (success && self->flush_lines_queued != -1)
{
self->flush_lines_queued++;
if (self->flush_lines && self->flush_lines_queued == self->flush_lines && !afsql_dd_commit_txn(self, TRUE))
return FALSE;
}
g_string_free(table, TRUE);
g_string_free(query_string, TRUE);
msg_set_context(NULL);
if (!success)
return afsql_dd_insert_fail_handler(self, msg, &path_options);
/* we only ACK if each INSERT is a separate transaction */
if ((self->flags & AFSQL_DDF_EXPLICIT_COMMITS) == 0)
log_msg_ack(msg, &path_options);
log_msg_unref(msg);
step_sequence_number(&self->seq_num);
self->failed_message_counter = 0;
return TRUE;
}