Merged in sandervrijders/ouroboros/be-pff (pull request #324)

lib, ipcpd: Add hashtable and PDU Forwarding Function

1 files changed, 55 insertions, 0 deletions

diff --git a/src/ipcpd/normal/pff.h b/src/ipcpd/normal/pff.h
new file mode 100644
index 00000000..b9ea1971
--- /dev/null
+++ b/src/ipcpd/normal/pff.h
@@ -0,0 +1,55 @@
+/*
+ * Ouroboros - Copyright (C) 2016
+ *
+ * PDU Forwarding Function
+ *
+ *    Sander Vrijders   <sander.vrijders@intec.ugent.be>
+ *    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_IPCPD_NORMAL_PFF_H
+#define OUROBOROS_IPCPD_NORMAL_PFF_H
+
+#include <stdint.h>
+
+struct pff;
+
+/*
+ * PFF will take a type in the future,
+ * to allow different policies.
+ * Only 1 fd per next hop for now.
+ */
+struct pff * pff_create(void);
+
+int          pff_destroy(struct pff * instance);
+
+int          pff_add(struct pff * instance,
+                     uint64_t     addr,
+                     int          fd);
+
+int          pff_update(struct pff * instance,
+                        uint64_t     addr,
+                        int          fd);
+
+int          pff_remove(struct pff * instance,
+                        uint64_t     addr);
+
+/* Returns fd towards next hop */
+int          pff_nhop(struct pff * instance,
+                      uint64_t     addr);
+
+#endif /* OUROBOROS_IPCPD_NORMAL_PFF_H */