refactor: session module (split to define/utils/pool/table/timer/transition/manager)

src/stellar/stellar_utils.h

@@ -0,0 +1,20 @@
+#pragma once
+
+#ifdef __cplusplus
+extern "C"
+{
+#endif
+
+#include "stellar/stellar.h"
+
+struct packet_io *stellar_get_packet_io(const struct stellar *st);
+struct session_manager *stellar_get_session_manager(const struct stellar *st);
+struct plugin_manager_schema *stellar_get_plugin_manager(const struct stellar *st);
+// TODO fix plugin manager, delete this function
+void stellar_set_plugin_manger(struct stellar *st, struct plugin_manager_schema *plug_mgr);
+
+int stellar_main(int argc, char **argv);
+
+#ifdef __cplusplus
+}
+#endif