summaryrefslogtreecommitdiff
path: root/src/ipcpd/normal/pol
diff options
context:
space:
mode:
Diffstat (limited to 'src/ipcpd/normal/pol')
-rw-r--r--src/ipcpd/normal/pol/flat.c7
-rw-r--r--src/ipcpd/normal/pol/flat.h6
-rw-r--r--src/ipcpd/normal/pol/link_state.c2
-rw-r--r--src/ipcpd/normal/pol/simple_pff.c183
-rw-r--r--src/ipcpd/normal/pol/simple_pff.h57
5 files changed, 249 insertions, 6 deletions
diff --git a/src/ipcpd/normal/pol/flat.c b/src/ipcpd/normal/pol/flat.c
index 0c4648c5..c52ebe38 100644
--- a/src/ipcpd/normal/pol/flat.c
+++ b/src/ipcpd/normal/pol/flat.c
@@ -30,6 +30,7 @@
#include <ouroboros/utils.h>
#include "ipcp.h"
+#include "flat.h"
#include <time.h>
#include <stdlib.h>
@@ -46,6 +47,12 @@ struct {
#define INVALID_ADDRESS 0
+struct pol_addr_auth_ops flat_ops = {
+ .init = flat_init,
+ .fini = flat_fini,
+ .address = flat_address
+};
+
int flat_init(const void * info)
{
flat.addr_size = *((uint8_t *) info);
diff --git a/src/ipcpd/normal/pol/flat.h b/src/ipcpd/normal/pol/flat.h
index 57af591e..fdd06d68 100644
--- a/src/ipcpd/normal/pol/flat.h
+++ b/src/ipcpd/normal/pol/flat.h
@@ -31,10 +31,6 @@ int flat_fini(void);
uint64_t flat_address(void);
-struct pol_addr_auth_ops flat_ops = {
- .init = flat_init,
- .fini = flat_fini,
- .address = flat_address
-};
+struct pol_addr_auth_ops flat_ops;
#endif /* OUROBOROS_IPCPD_NORMAL_FLAT_H */
diff --git a/src/ipcpd/normal/pol/link_state.c b/src/ipcpd/normal/pol/link_state.c
index 2823f28e..26370682 100644
--- a/src/ipcpd/normal/pol/link_state.c
+++ b/src/ipcpd/normal/pol/link_state.c
@@ -404,7 +404,7 @@ static void * calculate_pff(void * o)
if (fd == -1)
continue;
- pff_add(instance->pff, table[i]->dst, fd);
+ pff_add(instance->pff, table[i]->dst, &fd, 1);
}
pff_unlock(instance->pff);
diff --git a/src/ipcpd/normal/pol/simple_pff.c b/src/ipcpd/normal/pol/simple_pff.c
new file mode 100644
index 00000000..28f7aa2e
--- /dev/null
+++ b/src/ipcpd/normal/pol/simple_pff.c
@@ -0,0 +1,183 @@
+/*
+ * Ouroboros - Copyright (C) 2016 - 2017
+ *
+ * Simple PDU Forwarding Function
+ *
+ * Dimitri Staessens <dimitri.staessens@ugent.be>
+ * Sander Vrijders <sander.vrijders@ugent.be>
+ *
+ * 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 _POSIX_C_SOURCE 200112L
+
+#include "config.h"
+
+#include <ouroboros/hashtable.h>
+#include <ouroboros/errno.h>
+
+#include <assert.h>
+#include <pthread.h>
+
+#include "simple_pff.h"
+
+struct pff_i {
+ struct htable * table;
+ pthread_rwlock_t lock;
+};
+
+struct pol_pff_ops simple_pff_ops = {
+ .create = simple_pff_create,
+ .destroy = simple_pff_destroy,
+ .lock = simple_pff_lock,
+ .unlock = simple_pff_unlock,
+ .add = simple_pff_add,
+ .update = simple_pff_update,
+ .del = simple_pff_del,
+ .flush = simple_pff_flush,
+ .nhop = simple_pff_nhop,
+ .flow_state_change = NULL
+};
+
+struct pff_i * simple_pff_create(void)
+{
+ struct pff_i * tmp;
+
+ tmp = malloc(sizeof(*tmp));
+ if (tmp == NULL)
+ return NULL;
+
+ if (pthread_rwlock_init(&tmp->lock, NULL)) {
+ free(tmp);
+ return NULL;
+ }
+
+ tmp->table = htable_create(PFT_SIZE, false);
+ if (tmp->table == NULL) {
+ pthread_rwlock_destroy(&tmp->lock);
+ free(tmp);
+ return NULL;
+ }
+
+ return tmp;
+}
+
+void simple_pff_destroy(struct pff_i * pff_i)
+{
+ assert(pff_i);
+
+ htable_destroy(pff_i->table);
+
+ pthread_rwlock_destroy(&pff_i->lock);
+ free(pff_i);
+}
+
+void simple_pff_lock(struct pff_i * pff_i)
+{
+ pthread_rwlock_wrlock(&pff_i->lock);
+}
+
+void simple_pff_unlock(struct pff_i * pff_i)
+{
+ pthread_rwlock_unlock(&pff_i->lock);
+}
+
+int simple_pff_add(struct pff_i * pff_i,
+ uint64_t addr,
+ int * fd,
+ size_t len)
+{
+ int * val;
+
+ assert(pff_i);
+ assert(len > 0);
+
+ val = malloc(sizeof(*val));
+ if (val == NULL)
+ return -ENOMEM;
+
+ *val = fd[0];
+
+ if (htable_insert(pff_i->table, addr, val)) {
+ free(val);
+ return -1;
+ }
+
+ return 0;
+}
+
+int simple_pff_update(struct pff_i * pff_i,
+ uint64_t addr,
+ int * fd,
+ size_t len)
+{
+ int * val;
+
+ assert(pff_i);
+ assert(len > 0);
+
+ val = malloc(sizeof(*val));
+ if (val == NULL)
+ return -ENOMEM;
+ *val = fd[0];
+
+ if (htable_delete(pff_i->table, addr)) {
+ free(val);
+ return -1;
+ }
+
+ if (htable_insert(pff_i->table, addr, val)) {
+ free(val);
+ return -1;
+ }
+
+ return 0;
+}
+
+int simple_pff_del(struct pff_i * pff_i,
+ uint64_t addr)
+{
+ assert(pff_i);
+
+ if (htable_delete(pff_i->table, addr))
+ return -1;
+
+ return 0;
+}
+
+void simple_pff_flush(struct pff_i * pff_i)
+{
+ assert(pff_i);
+
+ htable_flush(pff_i->table);
+}
+
+int simple_pff_nhop(struct pff_i * pff_i,
+ uint64_t addr)
+{
+ int * j;
+ int fd = -1;
+
+ assert(pff_i);
+
+ pthread_rwlock_rdlock(&pff_i->lock);
+
+ j = (int *) htable_lookup(pff_i->table, addr);
+ if (j != NULL)
+ fd = *j;
+
+ pthread_rwlock_unlock(&pff_i->lock);
+
+ return fd;
+}
diff --git a/src/ipcpd/normal/pol/simple_pff.h b/src/ipcpd/normal/pol/simple_pff.h
new file mode 100644
index 00000000..ef34dfee
--- /dev/null
+++ b/src/ipcpd/normal/pol/simple_pff.h
@@ -0,0 +1,57 @@
+/*
+ * Ouroboros - Copyright (C) 2016 - 2017
+ *
+ * Simple policy for PFF
+ *
+ * Dimitri Staessens <dimitri.staessens@ugent.be>
+ * Sander Vrijders <sander.vrijders@ugent.be>
+ *
+ * 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/.
+ */
+
+#ifndef OUROBOROS_IPCPD_NORMAL_SIMPLE_PFF_H
+#define OUROBOROS_IPCPD_NORMAL_SIMPLE_PFF_H
+
+#include "pol-pff-ops.h"
+
+struct pff_i * simple_pff_create(void);
+
+void simple_pff_destroy(struct pff_i * pff_i);
+
+void simple_pff_lock(struct pff_i * pff_i);
+
+void simple_pff_unlock(struct pff_i * pff_i);
+
+int simple_pff_add(struct pff_i * pff_i,
+ uint64_t addr,
+ int * fd,
+ size_t len);
+
+int simple_pff_update(struct pff_i * pff_i,
+ uint64_t addr,
+ int * fd,
+ size_t len);
+
+int simple_pff_del(struct pff_i * pff_i,
+ uint64_t addr);
+
+void simple_pff_flush(struct pff_i * pff_i);
+
+/* Returns fd towards next hop */
+int simple_pff_nhop(struct pff_i * pff_i,
+ uint64_t addr);
+
+struct pol_pff_ops simple_pff_ops;
+
+#endif /* OUROBOROS_IPCPD_NORMAL_SIMPLE_PFF_H */
generated by cgit v1.2.3 (git 2.39.1) at 2024-12-26 19:10:15 +0000