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authorGravatar Ramūnas Mažeikis <ramunasnezinomas@gmail.com> 2019-05-29 13:53:50 +0300
committerGravatar Ramūnas Mažeikis <ramunasnezinomas@gmail.com> 2019-05-29 13:53:50 +0300
commit743f4857ede9f48def462c1ea2cee8be71356fac (patch)
tree30f854ebb8f218d168447e36a1813454b199ddb9 /src/common/protocol.c
parent1b9c085c208d92254f146741f8b8c012a600f73d (diff)
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Protocol: renamed some files.
Signed-off-by: Ramūnas Mažeikis <ramunasnezinomas@gmail.com>
Diffstat (limited to 'src/common/protocol.c')
-rw-r--r--src/common/protocol.c133
1 files changed, 0 insertions, 133 deletions
diff --git a/src/common/protocol.c b/src/common/protocol.c
deleted file mode 100644
index 0002a96..0000000
--- a/src/common/protocol.c
+++ /dev/null
@@ -1,133 +0,0 @@
-/*
- * Usurpataion --- clinet-server protocol implementation.
- *
- * Copyright (C) 2019 Ramūnas Mažeikis
- *
- * This program is free software; you can redistribute it and/or
- * modify it under the terms of the GNU Lesser General Public
- * License as published by the Free Software Foundation; version 2.1
- * of the License.
- *
- * 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
- * Lesser General Public License for more details.
- *
- * You should have received a copy of the GNU Lesser General Public
- * License along with this program; if not, write to the Free Software
- * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301, USA
- */
-
-/**
- * Common parts of protocol implementation. Handling of anything that actually
- * deals with connection descriptor has to be implemented by device and daemon
- * separately.
- */
-
-#include <stdlib.h>
-#include <string.h>
-#include <time.h>
-#include "protocol.h"
-#include "protocol_private.h"
-#include "net.h"
-#include "utils.h"
-
-int tlv_get(struct tlv_parser *parser, struct tlv *ret)
-{
- int retval = 0;
-
- if (parser->offset + sizeof(ret->type) + sizeof(ret->length) >= parser->size) {
- retval = E_TLV_OVERFLOW;
- } else if (parser -> offset == parser->size) {
- retval = END_OF_PACKET;
- } else {
- ret->type = memcpy(&ret->type, parser->data + parser->offset, sizeof(ret->type));
- parser->size += sizeof(ret->type);
- ret->length = memcpy(&ret->length, parser->data + parser->offset, sizeof(ret->length));
- parser->offset += sizeof(ret->length);
- if (parser->offset + ret->length >= parser->size) {
- retval = E_TLV_OVERFLOW;
- } else {
- memcpy(ret->data, parser->data, ret->length);
- }
- }
- return retval;
-}
-
-size_t tlv_data_size(struct tlv_parser *parser)
-{
- size_t size;
-
- if (parser->offset + sizeof(enum tlv_type) + sizeof(size_t) >= parser->size) {
- size = 0;
- } else {
- memcpy(&size, parser->data + parser->offset + sizeof(enum tlv_type), sizeof(size_t));
- }
- return size;
-}
-
-void tlv_destroy(struct tlv *t)
-{
- size_t i = 0;
- size_t tlv_count;
- struct tlv *arr;
- switch (t->type)
- {
- case REGURAL:
- case HEARTBEAT:
- case DISCOVERY:
- tlv_count = t->length / sizeof(struct tlv);
- arr = t->data;
- for (i = 0; i < tlv_count; i++) {
- tlv_destroy(&arr[i]);
- }
- default:
- free(t->data);
- t->length = 0;
- break;
- }
-}
-
-size_t tlv_raw_size(const struct tlv *t)
-{
- return sizeof(*t) + t->length;
-}
-
-int tlv_push_data(struct tlv *t, const char *data, size_t size)
-{
- int ret = 0;
- size_t final_size = tlv_raw_size(t) + size;
- if (final_size > TLV_SZ_MAX_RAW) {
- ret = E_TLV_OVERFLOW;
- } else {
- t->data = realloc(t->data, final_size);
- memcpy(t->data + t->length, data, size);
- t->length = final_size;
- }
- return ret;
-}
-
-void tlv_init(struct tlv *t, enum tlv_type type)
-{
- t->type = type;
- t->length = 0;
- t->data = NULL;
-}
-
-int tlv_push_tlv(struct tlv *t, const struct tlv *other)
-{
- int ret = 0;
- size_t other_size;
- size_t final_size;
-
- other_size = tlv_raw_size(other);
- final_size = tlv_raw_size(t) + other_size;
- if (final_size > TLV_SZ_MAX_RAW) {
- ret = E_TLV_OVERFLOW;
- } else {
- tlv_get_raw(other, t->data + t->length);
- t->length = final_size;
- }
-
- return ret;
-} \ No newline at end of file