diff options
Diffstat (limited to 'src')
-rw-r--r-- | src/lib/CMakeLists.txt | 1 | ||||
-rw-r--r-- | src/lib/flow.c | 77 |
2 files changed, 78 insertions, 0 deletions
diff --git a/src/lib/CMakeLists.txt b/src/lib/CMakeLists.txt index c986112e..37222e58 100644 --- a/src/lib/CMakeLists.txt +++ b/src/lib/CMakeLists.txt @@ -26,6 +26,7 @@ set(SOURCE_FILES da.c dev.c du_buff.c + flow.c ipcp.c irm.c list.c diff --git a/src/lib/flow.c b/src/lib/flow.c new file mode 100644 index 00000000..67b8e71b --- /dev/null +++ b/src/lib/flow.c @@ -0,0 +1,77 @@ +/* + * 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 <malloc.h> +#include <ouroboros/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); + flow->port_id = port_id; + flow->oflags = FLOW_O_DEFAULT; + flow->state = FLOW_INIT; + + pthread_mutex_init(&flow->lock, NULL); + + return flow; +} + +void flow_destroy(flow_t * flow) +{ + free(flow); +} + +int flow_set_opts(flow_t * flow, uint16_t opts) +{ + if (flow == NULL) { + LOG_ERR("Non-existing flow."); + return -1; + } + + pthread_mutex_lock(&flow->lock); + + if ((opts & FLOW_O_ACCMODE) == FLOW_O_ACCMODE) { + pthread_mutex_unlock(&flow->lock); + LOG_WARN("Invalid flow options. Setting default."); + opts = FLOW_O_DEFAULT; + } + + flow->oflags = opts; + + pthread_mutex_unlock(&flow->lock); + + return 0; +} + +uint16_t flow_get_opts(const flow_t * flow) +{ + if (flow == NULL) { + LOG_ERR("Non-existing flow."); + return FLOW_O_INVALID; + } + + return flow->oflags; +} |