summaryrefslogtreecommitdiff
path: root/src/lib/frct_pci.c
diff options
context:
space:
mode:
Diffstat (limited to 'src/lib/frct_pci.c')
-rw-r--r--src/lib/frct_pci.c129
1 files changed, 0 insertions, 129 deletions
diff --git a/src/lib/frct_pci.c b/src/lib/frct_pci.c
deleted file mode 100644
index 509cc8e2..00000000
--- a/src/lib/frct_pci.c
+++ /dev/null
@@ -1,129 +0,0 @@
-/*
- * Ouroboros - Copyright (C) 2016 - 2017
- *
- * Protocol Control Information of FRCT
- *
- * Dimitri Staessens <dimitri.staessens@ugent.be>
- * Sander Vrijders <sander.vrijders@ugent.be>
- *
- * This library is free software; you can redistribute it and/or
- * modify it under the terms of the GNU Lesser General Public License
- * version 2.1 as published by the Free Software Foundation.
- *
- * This library 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
- * Lesser General Public License for more details.
- *
- * You should have received a copy of the GNU Lesser General Public
- * License along with this library; if not, write to the Free Software
- * Foundation, Inc., http://www.fsf.org/about/contact/.
- */
-
-#include <ouroboros/hash.h>
-#include <ouroboros/errno.h>
-
-#include "frct_pci.h"
-
-#include <assert.h>
-#include <string.h>
-
-#define TYPE_SIZE 1
-#define FLAGS_SIZE 1
-#define SEQNO_SIZE 8
-#define CONF_FLAGS_SIZE 2
-
-#define BASE_SIZE TYPE_SIZE + FLAGS_SIZE + SEQNO_SIZE
-
-#define head_len(pci) (pci->type & PDU_TYPE_CONFIG ? \
- BASE_SIZE + CONF_FLAGS_SIZE : BASE_SIZE)
-
-int frct_pci_ser(struct shm_du_buff * sdb,
- struct frct_pci * pci,
- bool error_check)
-{
- uint8_t * head;
- uint8_t * tail;
- size_t offset = 0;
-
- assert(sdb);
- assert(pci);
-
- head = shm_du_buff_head_alloc(sdb, head_len(pci));
- if (head == NULL)
- return -EPERM;
-
- memcpy(head, &pci->type, TYPE_SIZE);
- offset += TYPE_SIZE;
- memcpy(head + offset, &pci->flags, FLAGS_SIZE);
- offset += FLAGS_SIZE;
- memcpy(head + offset, &pci->seqno, SEQNO_SIZE);
- offset += SEQNO_SIZE;
-
- if (pci->type & PDU_TYPE_CONFIG) {
- memcpy(head + offset, &pci->cflags, CONF_FLAGS_SIZE);
- /* offset += CONF_FLAGS_SIZE; */
- }
-
- if (error_check) {
- tail = shm_du_buff_tail_alloc(sdb, hash_len(HASH_CRC32));
- if (tail == NULL) {
- shm_du_buff_head_release(sdb, head_len(pci));
- return -EPERM;
- }
-
- *((uint32_t *) tail) = 0;
- mem_hash(HASH_CRC32, (uint32_t *) tail, head, tail - head);
- }
-
- return 0;
-}
-
-int frct_pci_des(struct shm_du_buff * sdb,
- struct frct_pci * pci,
- bool error_check)
-{
- uint8_t * head;
- uint8_t * tail;
- uint32_t crc;
- uint32_t crc2;
- size_t offset = 0;
-
- assert(sdb);
- assert(pci);
-
- head = shm_du_buff_head(sdb);
-
- if (error_check) {
- tail = shm_du_buff_tail(sdb);
-
- mem_hash(HASH_CRC32, &crc, head,
- tail - head - hash_len(HASH_CRC32));
-
- memcpy(&crc2, tail - hash_len(HASH_CRC32),
- hash_len(HASH_CRC32));
-
- /* Corrupted SDU. */
- if (crc != crc2)
- return -1;
-
- shm_du_buff_tail_release(sdb, hash_len(HASH_CRC32));
- }
-
- /* Depending on the type a different deserialization. */
- memcpy(&pci->type, head, TYPE_SIZE);
- offset += TYPE_SIZE;
- memcpy(&pci->flags, head + offset, FLAGS_SIZE);
- offset += FLAGS_SIZE;
- memcpy(&pci->seqno, head + offset, SEQNO_SIZE);
- offset += SEQNO_SIZE;
-
- if (pci->type & PDU_TYPE_CONFIG) {
- memcpy(&pci->cflags, head + offset, CONF_FLAGS_SIZE);
- /* offset += CONF_FLAGS_SIZE; */
- }
-
- shm_du_buff_head_release(sdb, head_len(pci));
-
- return 0;
-}