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authordimitri staessens <dimitri.staessens@intec.ugent.be>2016-03-30 00:29:38 +0200
committerdimitri staessens <dimitri.staessens@intec.ugent.be>2016-03-30 00:35:09 +0200
commit8cef483119da184d631634bc98b5236ac54c30ae (patch)
tree3a9e844b477bd99bd5e207d01dce4068981e37b4 /src
parent1e83a165d50aacc4e1146186c5691be3326368ca (diff)
downloadouroboros-8cef483119da184d631634bc98b5236ac54c30ae.tar.gz
ouroboros-8cef483119da184d631634bc98b5236ac54c30ae.zip
lib: api for handling flows
moved the flow definition to the library and made it public. thread-safety implemented without compiler checks.
Diffstat (limited to 'src')
-rw-r--r--src/ipcpd/CMakeLists.txt1
-rw-r--r--src/ipcpd/flow.h66
-rw-r--r--src/lib/CMakeLists.txt1
-rw-r--r--src/lib/flow.c (renamed from src/ipcpd/flow.c)22
4 files changed, 9 insertions, 81 deletions
diff --git a/src/ipcpd/CMakeLists.txt b/src/ipcpd/CMakeLists.txt
index 27d41801..bcb5b986 100644
--- a/src/ipcpd/CMakeLists.txt
+++ b/src/ipcpd/CMakeLists.txt
@@ -9,7 +9,6 @@ set(SOURCE_FILES
main.c
pci.c
shm_pci.c
- flow.c
)
add_executable (ipcpd ${SOURCE_FILES})
diff --git a/src/ipcpd/flow.h b/src/ipcpd/flow.h
deleted file mode 100644
index 83f4076d..00000000
--- a/src/ipcpd/flow.h
+++ /dev/null
@@ -1,66 +0,0 @@
-/*
- * 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 IPCPD_FLOW_H
-#define IPCPD_FLOW_H
-
-#include <ouroboros/common.h>
-
-#ifdef FLOW_MT_SAFE
-#include <pthread.h>
-#endif
-
-/* 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 00037777
-
-typedef long port_id_t;
-
-enum flow_state {
- FLOW_INIT = 0,
- FLOW_ALLOCATED,
- FLOW_PENDING
-};
-
-typedef struct flow {
- port_id_t port_id;
- uint16_t flags;
- uint8_t state;
-#ifdef FLOW_MT_SAFE
- pthread_mutex_t lock;
-#endif
-} flow_t;
-
-flow_t * flow_create(port_id_t port_id);
-void flow_destroy(flow_t * flow);
-
-int flow_set_opts(flow_t * flow, uint16_t opts);
-uint16_t flow_get_opts(const flow_t * flow);
-
-#endif /* IPCPD_FLOW_H */
diff --git a/src/lib/CMakeLists.txt b/src/lib/CMakeLists.txt
index 42a4d5c0..7a78bf3e 100644
--- a/src/lib/CMakeLists.txt
+++ b/src/lib/CMakeLists.txt
@@ -21,6 +21,7 @@ set(SOURCE_FILES
da.c
dev.c
du_buff.c
+ flow.c
ipcp.c
irm.c
list.c
diff --git a/src/ipcpd/flow.c b/src/lib/flow.c
index 395a0a0d..67b8e71b 100644
--- a/src/ipcpd/flow.c
+++ b/src/lib/flow.c
@@ -20,23 +20,22 @@
* Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
*/
-#include "flow.h"
#include <malloc.h>
+#include <ouroboros/flow.h>
#define OUROBOROS_PREFIX "ipcpd/flow"
#include <ouroboros/logs.h>
-flow_t * flow_create(port_id_t port_id)
+flow_t * flow_create(int32_t port_id)
{
flow_t * flow = malloc(sizeof *flow);
flow->port_id = port_id;
- flow->flags = FLOW_O_DEFAULT;
+ flow->oflags = FLOW_O_DEFAULT;
flow->state = FLOW_INIT;
-#ifdef FLOW_MT_SAFE
pthread_mutex_init(&flow->lock, NULL);
-#endif
+
return flow;
}
@@ -52,23 +51,18 @@ int flow_set_opts(flow_t * flow, uint16_t opts)
return -1;
}
-#ifdef FLOW_MT_SAFE
pthread_mutex_lock(&flow->lock);
-#endif
if ((opts & FLOW_O_ACCMODE) == FLOW_O_ACCMODE) {
-#ifdef FLOW_MT_SAFE
pthread_mutex_unlock(&flow->lock);
-#endif
LOG_WARN("Invalid flow options. Setting default.");
opts = FLOW_O_DEFAULT;
}
- flow->flags = opts;
+ flow->oflags = opts;
+
+ pthread_mutex_unlock(&flow->lock);
-#ifdef FLOW_MT_SAFE
- pthread_mutex_unlock(&flow->lock);
-#endif
return 0;
}
@@ -79,5 +73,5 @@ uint16_t flow_get_opts(const flow_t * flow)
return FLOW_O_INVALID;
}
- return flow->flags;
+ return flow->oflags;
}