/* * Ouroboros - Copyright (C) 2016 * * Flows * * Dimitri Staessens <dimitri.staessens@intec.ugent.be> * * This program is free software; you can redistribute it and/or modify * it under the terms of the GNU General Public License as published by * the Free Software Foundation; either version 2 of the License, or * (at your option) any later version. * * This program is distributed in the hope that it will be useful, * but WITHOUT ANY WARRANTY; without even the implied warranty of * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the * GNU General Public License for more details. * * You should have received a copy of the GNU General Public License * along with this program; if not, write to the Free Software * Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA. */ #ifndef OUROBOROS_FLOW_H #define OUROBOROS_FLOW_H #include <ouroboros/common.h> #include <ouroboros/list.h> #include <ouroboros/shm_ap_rbuff.h> #include <pthread.h> /* same values as fcntl.h */ #define FLOW_O_RDONLY 00000000 #define FLOW_O_WRONLY 00000001 #define FLOW_O_RDWR 00000002 #define FLOW_O_ACCMODE 00000003 #define FLOW_O_NONBLOCK 00004000 #define FLOW_O_DEFAULT 00000002 #define FLOW_O_INVALID (FLOW_O_WRONLY | FLOW_O_RDWR) enum flow_state { FLOW_NULL = 0, FLOW_ALLOCATED, FLOW_PENDING }; typedef struct flow { struct list_head list; int port_id; struct shm_ap_rbuff * rb; enum flow_state state; pthread_mutex_t lock; } flow_t; flow_t * flow_create(int port_id); void flow_destroy(flow_t * flow); #endif /* OUROBOROS_FLOW_H */