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-rw-r--r--include/ouroboros/CMakeLists.txt1
-rw-r--r--include/ouroboros/flow.h61
2 files changed, 62 insertions, 0 deletions
diff --git a/include/ouroboros/CMakeLists.txt b/include/ouroboros/CMakeLists.txt
index cc6b9103..cb710a57 100644
--- a/include/ouroboros/CMakeLists.txt
+++ b/include/ouroboros/CMakeLists.txt
@@ -9,6 +9,7 @@ set(HEADER_FILES
da.h
dev.h
du_buff.h
+ flow.h
ipcp.h
irm.h
list.h
diff --git a/include/ouroboros/flow.h b/include/ouroboros/flow.h
new file mode 100644
index 00000000..456a85c7
--- /dev/null
+++ b/include/ouroboros/flow.h
@@ -0,0 +1,61 @@
+/*
+ * 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 <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 00037777
+
+enum flow_state {
+ FLOW_INIT = 0,
+ FLOW_ALLOCATED,
+ FLOW_PENDING
+};
+
+typedef struct flow {
+ int32_t port_id;
+ uint16_t oflags;
+ enum flow_state state;
+
+ pthread_mutex_t lock;
+} flow_t;
+
+flow_t * flow_create(int32_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 /* OUROBOROS_FLOW_H */