/* * 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. */ #include <stdlib.h> #include "flow.h" #define OUROBOROS_PREFIX "ipcpd/flow" #include <ouroboros/logs.h> flow_t * flow_create(int32_t port_id) { flow_t * flow = malloc(sizeof *flow); if (flow == NULL) { LOG_DBGF("Could not malloc flow."); return NULL; } INIT_LIST_HEAD(&flow->list); flow->port_id = port_id; flow->oflags = FLOW_O_DEFAULT; flow->state = FLOW_NULL; pthread_mutex_init(&flow->lock, NULL); return flow; } void flow_destroy(flow_t * flow) { if (flow == NULL) return; free(flow); } int flow_set_opts(flow_t * flow, uint16_t opts) { if (flow == NULL) { LOG_DBGF("Non-existing flow."); return -1; } pthread_mutex_lock(&flow->lock); if ((opts & FLOW_O_ACCMODE) == FLOW_O_ACCMODE) { flow->oflags = FLOW_O_DEFAULT; pthread_mutex_unlock(&flow->lock); LOG_WARN("Invalid flow options. Setting default."); return -1; } flow->oflags = opts; pthread_mutex_unlock(&flow->lock); return 0; } uint16_t flow_get_opts(const flow_t * flow) { if (flow == NULL) { LOG_DBGF("Non-existing flow."); return FLOW_O_INVALID; } return flow->oflags; }