diff options
Diffstat (limited to 'lib/src/protocol/new.c')
-rw-r--r-- | lib/src/protocol/new.c | 441 |
1 files changed, 441 insertions, 0 deletions
diff --git a/lib/src/protocol/new.c b/lib/src/protocol/new.c new file mode 100644 index 000000000..8c79963ad --- /dev/null +++ b/lib/src/protocol/new.c @@ -0,0 +1,441 @@ +/* + * Copyright (c) 2021 Cisco and/or its affiliates. + * Licensed under the Apache License, Version 2.0 (the "License"); + * you may not use this file except in compliance with the License. + * You may obtain a copy of the License at: + * + * http://www.apache.org/licenses/LICENSE-2.0 + * + * Unless required by applicable law or agreed to in writing, software + * distributed under the License is distributed on an "AS IS" BASIS, + * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. + * See the License for the specific language governing permissions and + * limitations under the License. + */ + +#include <stdlib.h> +#include <string.h> +#include <hicn/common.h> +#include <hicn/error.h> +#include <hicn/ops.h> + +#pragma GCC diagnostic push +#pragma GCC diagnostic ignored "-Wunused-function" + +static int +is_interest (u8 flags) +{ + return flags & HICN_NEW_FLAG_INT; +} + +int +new_init_packet_header (hicn_type_t type, hicn_protocol_t *h) +{ + memset (&h->newhdr, 0, sizeof (h->newhdr)); + _set_new_header_version (&h->newhdr); + uint8_t ah_flag = type.l2 == IPPROTO_AH ? HICN_NEW_FLAG_SIG : 0; + h->newhdr.flags |= ah_flag; + + return CHILD_OPS (init_packet_header, type, h); +} + +int +new_is_interest (hicn_type_t type, const hicn_protocol_t *h, int *is_interest) +{ + *is_interest = (h->newhdr.flags & HICN_NEW_FLAG_INT) != 0; + return HICN_LIB_ERROR_NONE; +} + +int +new_mark_packet_as_interest (hicn_type_t type, hicn_protocol_t *h) +{ + h->newhdr.flags |= HICN_NEW_FLAG_INT; + return HICN_LIB_ERROR_NONE; +} + +int +new_mark_packet_as_data (hicn_type_t type, hicn_protocol_t *h) +{ + h->newhdr.flags &= ~HICN_NEW_FLAG_INT; + return HICN_LIB_ERROR_NONE; +} + +int +new_get_interest_locator (hicn_type_t type, const hicn_protocol_t *h, + ip_address_t *ip_address) +{ + assert (is_interest (h->newhdr.flags)); + return HICN_LIB_ERROR_NONE; +} + +int +new_set_interest_locator (hicn_type_t type, hicn_protocol_t *h, + const ip_address_t *ip_address) +{ + assert (is_interest (h->newhdr.flags)); + return HICN_LIB_ERROR_NONE; +} + +int +new_get_interest_name (hicn_type_t type, const hicn_protocol_t *h, + hicn_name_t *name) +{ + assert (is_interest (h->newhdr.flags)); + name->prefix = h->newhdr.prefix; + name->suffix = ntohl (h->newhdr.suffix); + return HICN_LIB_ERROR_NONE; +} + +int +new_set_interest_name (hicn_type_t type, hicn_protocol_t *h, + const hicn_name_t *name) +{ + int rc = new_mark_packet_as_interest (type, h); + if (rc) + return rc; + + assert (is_interest (h->newhdr.flags)); + h->newhdr.prefix = name->prefix; + h->newhdr.suffix = htonl (name->suffix); + return HICN_LIB_ERROR_NONE; +} + +int +new_get_interest_name_suffix (hicn_type_t type, const hicn_protocol_t *h, + hicn_name_suffix_t *suffix) +{ + assert (is_interest (h->newhdr.flags)); + *suffix = ntohl (h->newhdr.suffix); + return HICN_LIB_ERROR_NONE; +} + +int +new_set_interest_name_suffix (hicn_type_t type, hicn_protocol_t *h, + const hicn_name_suffix_t *suffix) +{ + assert (is_interest (h->newhdr.flags)); + h->newhdr.suffix = htonl (*suffix); + return HICN_LIB_ERROR_NONE; +} + +int +new_reset_interest_for_hash (hicn_type_t type, hicn_protocol_t *h) +{ + assert (is_interest (h->newhdr.flags)); + return CHILD_OPS (init_packet_header, type, h); +} + +int +new_get_data_locator (hicn_type_t type, const hicn_protocol_t *h, + ip_address_t *ip_address) +{ + assert (!is_interest (h->newhdr.flags)); + return HICN_LIB_ERROR_NONE; +} + +int +new_set_data_locator (hicn_type_t type, hicn_protocol_t *h, + const ip_address_t *ip_address) +{ + assert (!is_interest (h->newhdr.flags)); + return HICN_LIB_ERROR_NONE; +} + +int +new_get_data_name (hicn_type_t type, const hicn_protocol_t *h, + hicn_name_t *name) +{ + assert (!is_interest (h->newhdr.flags)); + name->prefix = h->newhdr.prefix; + name->suffix = ntohl (h->newhdr.suffix); + return HICN_LIB_ERROR_NONE; +} + +int +new_set_data_name (hicn_type_t type, hicn_protocol_t *h, + const hicn_name_t *name) +{ + new_mark_packet_as_data (type, h); + assert (!is_interest (h->newhdr.flags)); + h->newhdr.prefix = name->prefix; + h->newhdr.suffix = htonl (name->suffix); + return HICN_LIB_ERROR_NONE; +} + +int +new_get_data_name_suffix (hicn_type_t type, const hicn_protocol_t *h, + hicn_name_suffix_t *suffix) +{ + assert (!is_interest (h->newhdr.flags)); + *suffix = ntohl (h->newhdr.suffix); + return HICN_LIB_ERROR_NONE; +} + +int +new_set_data_name_suffix (hicn_type_t type, hicn_protocol_t *h, + const hicn_name_suffix_t *suffix) +{ + assert (!is_interest (h->newhdr.flags)); + h->newhdr.suffix = htonl (*suffix); + return HICN_LIB_ERROR_NONE; +} + +int +new_get_data_pathlabel (hicn_type_t type, const hicn_protocol_t *h, + u32 *pathlabel) +{ + assert (!is_interest (h->newhdr.flags)); + *pathlabel = h->newhdr.path_label; + return HICN_LIB_ERROR_NONE; +} + +int +new_set_data_pathlabel (hicn_type_t type, hicn_protocol_t *h, + const u32 pathlabel) +{ + assert (!is_interest (h->newhdr.flags)); + h->newhdr.path_label = pathlabel; + return HICN_LIB_ERROR_NONE; +} + +int +new_update_data_pathlabel (hicn_type_t type, hicn_protocol_t *h, + const hicn_faceid_t face_id) +{ + hicn_pathlabel_t new_pl; + update_pathlabel (h->newhdr.path_label, face_id, &new_pl); + h->newhdr.path_label = new_pl; + return HICN_LIB_ERROR_NONE; +} + +int +new_reset_data_for_hash (hicn_type_t type, hicn_protocol_t *h) +{ + return CHILD_OPS (reset_data_for_hash, type, h); +} + +int +new_get_lifetime (hicn_type_t type, const hicn_protocol_t *h, + hicn_lifetime_t *lifetime) +{ + *lifetime = ntohl (h->newhdr.lifetime); + return HICN_LIB_ERROR_NONE; +} + +int +new_set_lifetime (hicn_type_t type, hicn_protocol_t *h, + const hicn_lifetime_t lifetime) +{ + h->newhdr.lifetime = htonl (lifetime); + return HICN_LIB_ERROR_NONE; +} + +int +new_update_checksums (hicn_type_t type, hicn_protocol_t *h, u16 partial_csum, + size_t payload_length) +{ + return HICN_LIB_ERROR_NONE; +} + +int +new_verify_checksums (hicn_type_t type, hicn_protocol_t *h, u16 partial_csum, + size_t payload_length) +{ + return HICN_LIB_ERROR_NONE; +} + +int +new_rewrite_interest (hicn_type_t type, hicn_protocol_t *h, + const ip_address_t *addr_new, ip_address_t *addr_old) +{ + assert (is_interest (h->newhdr.flags)); + return HICN_LIB_ERROR_NONE; +} + +int +new_rewrite_data (hicn_type_t type, hicn_protocol_t *h, + const ip_address_t *addr_new, ip_address_t *addr_old, + const hicn_faceid_t face_id, u8 reset_pl) +{ + assert (!is_interest (h->newhdr.flags)); + return HICN_LIB_ERROR_NONE; +} + +int +new_get_length (hicn_type_t type, const hicn_protocol_t *h, + size_t *header_length) +{ + *header_length = NEW_HDRLEN + ntohs (h->newhdr.payload_length); + return HICN_LIB_ERROR_NONE; +} + +int +new_get_current_header_length (hicn_type_t type, const hicn_protocol_t *h, + size_t *header_length) +{ + *header_length = NEW_HDRLEN; + return HICN_LIB_ERROR_NONE; +} + +int +new_get_header_length (hicn_type_t type, const hicn_protocol_t *h, + size_t *header_length) +{ + size_t child_header_length = 0; + int rc = CHILD_OPS (get_header_length, type, h, &child_header_length); + if (rc < 0) + return rc; + *header_length = NEW_HDRLEN + child_header_length; + return HICN_LIB_ERROR_NONE; +} + +int +new_get_payload_length (hicn_type_t type, const hicn_protocol_t *h, + size_t *payload_length) +{ + size_t child_header_length = 0; + int rc = CHILD_OPS (get_header_length, type, h, &child_header_length); + if (rc < 0) + return rc; + *payload_length = ntohs (h->newhdr.payload_length) - child_header_length; + return HICN_LIB_ERROR_NONE; +} + +int +new_set_payload_length (hicn_type_t type, hicn_protocol_t *h, + size_t payload_length) +{ + size_t child_header_length = 0; + int rc = CHILD_OPS (get_header_length, type, h, &child_header_length); + if (rc < 0) + return rc; + h->newhdr.payload_length = + htons ((u_short) (payload_length + child_header_length)); + return HICN_LIB_ERROR_NONE; +} + +int +new_get_signature_size (hicn_type_t type, const hicn_protocol_t *h, + size_t *signature_size) +{ + return CHILD_OPS (get_signature_size, type, h, signature_size); +} + +int +new_set_signature_size (hicn_type_t type, hicn_protocol_t *h, + size_t signature_size) +{ + return CHILD_OPS (set_signature_size, type, h, signature_size); +} + +int +new_set_signature_padding (hicn_type_t type, hicn_protocol_t *h, + size_t padding) +{ + return CHILD_OPS (set_signature_padding, type, h, padding); +} + +int +new_get_signature_padding (hicn_type_t type, const hicn_protocol_t *h, + size_t *padding) +{ + return CHILD_OPS (get_signature_padding, type, h, padding); +} + +int +new_set_signature_timestamp (hicn_type_t type, hicn_protocol_t *h, + uint64_t signature_timestamp) +{ + return CHILD_OPS (set_signature_timestamp, type, h, signature_timestamp); +} + +int +new_get_signature_timestamp (hicn_type_t type, const hicn_protocol_t *h, + uint64_t *signature_timestamp) +{ + return CHILD_OPS (get_signature_timestamp, type, h, signature_timestamp); +} + +int +new_set_validation_algorithm (hicn_type_t type, hicn_protocol_t *h, + uint8_t validation_algorithm) +{ + return CHILD_OPS (set_validation_algorithm, type, h, validation_algorithm); +} + +int +new_get_validation_algorithm (hicn_type_t type, const hicn_protocol_t *h, + uint8_t *validation_algorithm) +{ + return CHILD_OPS (get_validation_algorithm, type, h, validation_algorithm); +} + +int +new_set_key_id (hicn_type_t type, hicn_protocol_t *h, uint8_t *key_id) +{ + return CHILD_OPS (set_key_id, type, h, key_id); +} + +int +new_get_key_id (hicn_type_t type, hicn_protocol_t *h, uint8_t **key_id, + uint8_t *key_id_size) +{ + return CHILD_OPS (get_key_id, type, h, key_id, key_id_size); +} + +int +new_get_signature (hicn_type_t type, hicn_protocol_t *h, uint8_t **signature) +{ + return CHILD_OPS (get_signature, type, h, signature); +} + +int +new_get_payload_type (hicn_type_t type, const hicn_protocol_t *h, + hicn_payload_type_t *payload_type) +{ + *payload_type = ((h->newhdr.flags & HICN_NEW_FLAG_MAN) == HICN_NEW_FLAG_MAN); + return HICN_LIB_ERROR_NONE; +} + +int +new_set_payload_type (hicn_type_t type, hicn_protocol_t *h, + hicn_payload_type_t payload_type) +{ + if (payload_type != HPT_DATA && payload_type != HPT_MANIFEST) + return HICN_LIB_ERROR_INVALID_PARAMETER; + + if (payload_type) + h->newhdr.flags |= HICN_NEW_FLAG_MAN; + else + h->newhdr.flags &= ~HICN_NEW_FLAG_MAN; + + return HICN_LIB_ERROR_NONE; +} + +int +new_is_last_data (hicn_type_t type, const hicn_protocol_t *h, int *is_last) +{ + assert (!is_interest (h->newhdr.flags)); + *is_last = h->newhdr.flags & HICN_NEW_FLAG_LST; + return HICN_LIB_ERROR_NONE; +} + +int +new_set_last_data (hicn_type_t type, hicn_protocol_t *h) +{ + assert (!is_interest (h->newhdr.flags)); + h->newhdr.flags |= HICN_NEW_FLAG_LST; + return HICN_LIB_ERROR_NONE; +} + +DECLARE_HICN_OPS (new); + +#pragma GCC diagnostic pop + +/* + * fd.io coding-style-patch-verification: ON + * + * Local Variables: + * eval: (c-set-style "gnu") + * End: + */ |