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authorSander Vrijders <sander.vrijders@intec.ugent.be>2016-04-19 13:42:37 +0200
committerSander Vrijders <sander.vrijders@intec.ugent.be>2016-04-19 13:42:37 +0200
commit468729f048f1cdafa7a83ba388bfe2e26588d776 (patch)
tree77dbbaad88cff0122d27c84b83b8deff092bc4ae /src/ipcpd/flow.h
parentc0b2bb854f42ed5975a5c08465fd0012c9e5ce8c (diff)
parent34b8b6e39ec45080c89b62994cf3ba8d32e666a1 (diff)
downloadouroboros-468729f048f1cdafa7a83ba388bfe2e26588d776.tar.gz
ouroboros-468729f048f1cdafa7a83ba388bfe2e26588d776.zip
Merged in dstaesse/ouroboros/be-move-flow (pull request #58)
lib: moved flow header and source to ipcpd
Diffstat (limited to 'src/ipcpd/flow.h')
-rw-r--r--src/ipcpd/flow.h63
1 files changed, 63 insertions, 0 deletions
diff --git a/src/ipcpd/flow.h b/src/ipcpd/flow.h
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+/*
+ * 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 <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;
+
+ 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 */