1 files changed, 127 insertions, 0 deletions
diff --git a/src/ipcpd/unicast/pff.c b/src/ipcpd/unicast/pff.c
new file mode 100644
index 00000000..5b1fa429
--- /dev/null
+++ b/src/ipcpd/unicast/pff.c
@@ -0,0 +1,127 @@
+/*
+ * Ouroboros - Copyright (C) 2016 - 2019
+ *
+ * PDU Forwarding Function
+ *
+ *    Dimitri Staessens <[email protected]>
+ *    Sander Vrijders   <[email protected]>
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License version 2 as
+ * published by the Free Software Foundation.
+ *
+ * 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., http://www.fsf.org/about/contact/.
+ */
+
+#define OUROBOROS_PREFIX "pff"
+
+#include <ouroboros/errno.h>
+#include <ouroboros/logs.h>
+
+#include "pff.h"
+#include "pol-pff-ops.h"
+#include "pol/alternate_pff.h"
+#include "pol/simple_pff.h"
+
+struct pff {
+        struct pol_pff_ops * ops;
+        struct pff_i *       pff_i;
+};
+
+struct pff * pff_create(enum pol_pff pol)
+{
+        struct pff * pff;
+
+        pff = malloc(sizeof(*pff));
+        if (pff == NULL)
+                return NULL;
+
+        switch (pol) {
+        case PFF_ALTERNATE:
+                log_dbg("Using alternate PFF policy.");
+                pff->ops = &alternate_pff_ops;
+                break;
+        case PFF_SIMPLE:
+                log_dbg("Using simple PFF policy.");
+                pff->ops = &simple_pff_ops;
+                break;
+        default:
+                goto err;
+        }
+
+        pff->pff_i = pff->ops->create();
+        if (pff->pff_i == NULL)
+                goto err;
+
+        return pff;
+ err:
+        free(pff);
+        return NULL;
+}
+
+void pff_destroy(struct pff * pff)
+{
+        pff->ops->destroy(pff->pff_i);
+
+        free(pff);
+}
+
+void pff_lock(struct pff * pff)
+{
+        return pff->ops->lock(pff->pff_i);
+}
+
+void pff_unlock(struct pff * pff)
+{
+        return pff->ops->unlock(pff->pff_i);
+}
+
+int pff_add(struct pff * pff,
+            uint64_t     addr,
+            int *        fd,
+            size_t       len)
+{
+        return pff->ops->add(pff->pff_i, addr, fd, len);
+}
+
+int pff_update(struct pff * pff,
+               uint64_t     addr,
+               int *        fd,
+               size_t       len)
+{
+        return pff->ops->update(pff->pff_i, addr, fd, len);
+}
+
+int pff_del(struct pff * pff,
+            uint64_t     addr)
+{
+        return pff->ops->del(pff->pff_i, addr);
+}
+
+void pff_flush(struct pff * pff)
+{
+        return pff->ops->flush(pff->pff_i);
+}
+
+int pff_nhop(struct pff * pff,
+             uint64_t     addr)
+{
+        return pff->ops->nhop(pff->pff_i, addr);
+}
+
+int pff_flow_state_change(struct pff * pff,
+                          int          fd,
+                          bool         up)
+{
+        if (pff->ops->flow_state_change != NULL)
+                return pff->ops->flow_state_change(pff->pff_i, fd, up);
+
+        return 0;
+}