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authorLuca Muscariello <lumuscar+fdio@cisco.com>2019-01-17 13:47:57 +0100
committerLuca Muscariello <lumuscar+fdio@cisco.com>2019-01-17 16:32:51 +0100
commitbac3da61644515f05663789b122554dc77549286 (patch)
tree898210bc8e70371d77de7d446a26c5dd4fd1165a /lib/src/compat.c
parentd5165246787301d0f13b646fda5e8a8567aef5ac (diff)
This is the first commit of the hicn projectv19.01
Change-Id: I6f2544ad9b9f8891c88cc4bcce3cf19bd3cc863f Signed-off-by: Luca Muscariello <lumuscar+fdio@cisco.com>
Diffstat (limited to 'lib/src/compat.c')
-rwxr-xr-xlib/src/compat.c1177
1 files changed, 1177 insertions, 0 deletions
diff --git a/lib/src/compat.c b/lib/src/compat.c
new file mode 100755
index 000000000..7d9eef025
--- /dev/null
+++ b/lib/src/compat.c
@@ -0,0 +1,1177 @@
+/*
+ * Copyright (c) 2017-2019 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.
+ */
+
+/**
+ * @file compat.c
+ * @brief Implementation of the compatibility layer.
+ */
+
+#include <netinet/in.h>
+#include <string.h> // memset
+#include <stddef.h> // offsetof
+
+#include "common.h"
+#include "compat.h"
+#include "error.h"
+#include "header.h"
+#include "name.h"
+#include "ops.h"
+
+#define member_size(type, member) sizeof(((type *)0)->member)
+#define ARRAY_SIZE(a) (sizeof(a) / sizeof(*(a)))
+
+#define HICN_NAME_COMPONENT_SIZE 2
+
+int
+hicn_packet_get_format (const hicn_header_t * h, hicn_format_t * format)
+{
+ *format = HF_UNSPEC;
+
+ switch (HICN_IP_VERSION (h))
+ {
+ case 4:
+ switch (h->v4.ip.protocol)
+ {
+ case IPPROTO_TCP:
+ if (h->v4.tcp.flags & AH_FLAG)
+ *format = HF_INET_TCP_AH;
+ else
+ *format = HF_INET_TCP;
+ break;
+ case IPPROTO_ICMP:
+ *format = HF_INET_ICMP;
+ break;
+ default:
+ return HICN_LIB_ERROR_NOT_HICN;
+ }
+ break;
+ case 6:
+ switch (h->v6.ip.nxt)
+ {
+ case IPPROTO_TCP:
+ if (h->v6.tcp.flags & AH_FLAG)
+ *format = HF_INET6_TCP_AH;
+ else
+ *format = HF_INET6_TCP;
+ break;
+ case IPPROTO_ICMPV6:
+ *format = HF_INET6_ICMP;
+ break;
+ default:
+ return HICN_LIB_ERROR_NOT_HICN;
+ }
+ break;
+ default:
+ return HICN_LIB_ERROR_NOT_HICN;
+ }
+
+ return HICN_LIB_ERROR_NONE;
+}
+
+/**
+ * @brief Convert (former) hICN format into (newer) hICN type
+ * @param [in] format - hICN format
+ * @return hICN type, all zero'ed if type is unknown
+ */
+hicn_type_t
+hicn_format_to_type (hicn_format_t format)
+{
+ switch (format)
+ {
+ case HF_INET_TCP:
+ return (hicn_type_t)
+ {
+ .l4 = IPPROTO_NONE,.l3 = IPPROTO_NONE,.l2 = IPPROTO_TCP,.l1 =
+ IPPROTO_IP};
+ case HF_INET6_TCP:
+ return (hicn_type_t)
+ {
+ .l4 = IPPROTO_NONE,.l3 = IPPROTO_NONE,.l2 = IPPROTO_TCP,.l1 =
+ IPPROTO_IPV6};
+ case HF_INET_ICMP:
+ return (hicn_type_t)
+ {
+ .l4 = IPPROTO_NONE,.l3 = IPPROTO_NONE,.l2 = IPPROTO_ICMP,.l1 =
+ IPPROTO_IP};
+ case HF_INET6_ICMP:
+ return (hicn_type_t)
+ {
+ .l4 = IPPROTO_NONE,.l3 = IPPROTO_NONE,.l2 = IPPROTO_ICMPV6,.l1 =
+ IPPROTO_IPV6};
+ case HF_INET_TCP_AH:
+ return (hicn_type_t)
+ {
+ .l4 = IPPROTO_NONE,.l3 = IPPROTO_AH,.l2 = IPPROTO_TCP,.l1 = IPPROTO_IP};
+ case HF_INET6_TCP_AH:
+ return (hicn_type_t)
+ {
+ .l4 = IPPROTO_NONE,.l3 = IPPROTO_AH,.l2 = IPPROTO_TCP,.l1 =
+ IPPROTO_IPV6};
+ case HF_INET_ICMP_AH:
+ return (hicn_type_t)
+ {
+ .l4 = IPPROTO_NONE,.l3 = IPPROTO_AH,.l2 = IPPROTO_ICMP,.l1 =
+ IPPROTO_IP};
+ case HF_INET6_ICMP_AH:
+ return (hicn_type_t)
+ {
+ .l4 = IPPROTO_NONE,.l3 = IPPROTO_AH,.l2 = IPPROTO_ICMPV6,.l1 =
+ IPPROTO_IPV6};
+ default:
+ break;
+ }
+ return (hicn_type_t)
+ {
+ {
+ IPPROTO_NONE}
+ };
+}
+
+/**
+ * @brief Parse hICN header and return hICN type
+ * @param [in] h - hICN header
+ * @param [out] format - hICN type
+ * @return hICN error code
+ *
+ * This function is used to wrap old API calls to new ones
+ */
+hicn_type_t
+hicn_header_to_type (const hicn_header_t * h)
+{
+ hicn_format_t format;
+ hicn_packet_get_format (h, &format);
+ return hicn_format_to_type (format);
+}
+
+int
+hicn_packet_init_header (hicn_format_t format, hicn_header_t * packet)
+{
+ hicn_type_t type = hicn_format_to_type (format);
+ return hicn_ops_vft[type.l1]->init_packet_header (type, &packet->protocol);
+}
+
+int
+hicn_packet_compute_checksum (hicn_format_t format, hicn_header_t * h)
+{
+ hicn_type_t type = hicn_format_to_type (format);
+ return hicn_ops_vft[type.l1]->update_checksums (type, &h->protocol, 0, 0);
+}
+
+int
+hicn_packet_compute_header_checksum (hicn_format_t format, hicn_header_t * h,
+ u16 init_sum)
+{
+ hicn_type_t type = hicn_format_to_type (format);
+ /* payload_length == ~0: ignore payload */
+ return hicn_ops_vft[type.l1]->update_checksums (type, &h->protocol,
+ init_sum, ~0);
+}
+
+int
+hicn_packet_check_integrity (hicn_format_t format, hicn_header_t * h)
+{
+ hicn_type_t type = hicn_format_to_type (format);
+ return hicn_ops_vft[type.l1]->verify_checksums (type, &h->protocol, 0, 0);
+}
+
+int
+hicn_packet_get_header_length_from_format (hicn_format_t format,
+ size_t * header_length)
+{
+ *header_length = _is_ipv4 (format) * IPV4_HDRLEN;
+ *header_length += _is_ipv6 (format) * IPV6_HDRLEN;
+ *header_length += _is_icmp (format) * ICMP_HDRLEN;
+ *header_length += _is_tcp (format) * TCP_HDRLEN;
+ *header_length += _is_ah (format) * AH_HDRLEN;
+
+ return HICN_LIB_ERROR_NONE;
+}
+
+int
+hicn_packet_get_header_length (hicn_format_t format, const hicn_header_t * h,
+ size_t * header_length)
+{
+ hicn_packet_get_header_length_from_format (format, header_length);
+ int is_ah = _is_ah (format);
+ int is_ipv4 = _is_ipv4 (format);
+ int is_ipv6 = _is_ipv6 (format);
+ // The signature payload is expressed as number of 32 bits words
+ *header_length += (is_ah * is_ipv4) * (h->v4ah.ah.payloadlen) << 2;
+ *header_length += (is_ah * is_ipv6) * (h->v6ah.ah.payloadlen) << 2;
+
+ return HICN_LIB_ERROR_NONE;
+}
+
+int
+hicn_packet_get_payload_length (hicn_format_t format, const hicn_header_t * h,
+ size_t * payload_length)
+{
+ hicn_type_t type = hicn_format_to_type (format);
+ return hicn_ops_vft[type.l1]->get_payload_length (type, &h->protocol,
+ payload_length);
+}
+
+int
+hicn_packet_set_payload_length (hicn_format_t format, hicn_header_t * h,
+ size_t payload_length)
+{
+ hicn_type_t type = hicn_format_to_type (format);
+ return hicn_ops_vft[type.l1]->set_payload_length (type, &h->protocol,
+ payload_length);
+}
+
+int
+hicn_packet_compare (const hicn_header_t * packet1,
+ const hicn_header_t * packet2)
+{
+ hicn_type_t type1 = hicn_header_to_type (packet1);
+ hicn_type_t type2 = hicn_header_to_type (packet2);
+
+ size_t len1, len2;
+ int rc;
+
+ if (type1.as_u32 != type2.as_u32)
+ return HICN_LIB_ERROR_UNEXPECTED;
+
+ rc = hicn_ops_vft[type1.l1]->get_length (type1, &packet1->protocol, &len1);
+ if (PREDICT_FALSE (rc < 0))
+ return HICN_LIB_ERROR_UNEXPECTED;
+
+ rc = hicn_ops_vft[type2.l1]->get_length (type2, &packet2->protocol, &len2);
+ if (PREDICT_FALSE (rc < 0))
+ return HICN_LIB_ERROR_UNEXPECTED;
+
+ if (len1 != len2)
+ return HICN_LIB_ERROR_UNEXPECTED;
+
+ return memcmp ((u8 *) packet1, (u8 *) packet2, len1);
+
+}
+
+int
+hicn_packet_get_name (hicn_format_t format, const hicn_header_t * h,
+ hicn_name_t * name, u8 is_interest)
+{
+ hicn_type_t type = hicn_format_to_type (format);
+
+ if (is_interest)
+ return hicn_ops_vft[type.l1]->get_interest_name (type, &h->protocol,
+ name);
+ else
+ return hicn_ops_vft[type.l1]->get_data_name (type, &h->protocol, name);
+}
+
+int
+hicn_packet_set_name (hicn_format_t format, hicn_header_t * h,
+ const hicn_name_t * name, u8 is_interest)
+{
+ hicn_type_t type = hicn_format_to_type (format);
+
+#ifndef HICN_VPP_PLUGIN
+ if (name->type & HNT_IOV)
+ return HICN_LIB_ERROR_NOT_IMPLEMENTED;
+#endif /* HICN_VPP_PLUGIN */
+
+ if (is_interest)
+ return hicn_ops_vft[type.l1]->set_interest_name (type, &h->protocol,
+ name);
+ else
+ return hicn_ops_vft[type.l1]->set_data_name (type, &h->protocol, name);
+}
+
+int
+hicn_packet_set_payload (hicn_format_t format, hicn_header_t * h,
+ const u8 * payload, u16 payload_length)
+{
+ hicn_type_t type = hicn_format_to_type (format);
+ size_t header_length;
+ int rc;
+
+ rc =
+ hicn_ops_vft[type.l1]->get_header_length (type, &h->protocol,
+ &header_length);
+ if (rc < 0)
+ return rc;
+
+ memcpy ((u8 *) h + header_length, payload, payload_length);
+
+ return hicn_ops_vft[type.l1]->set_payload_length (type, &h->protocol,
+ payload_length);
+}
+
+int
+hicn_packet_get_payload (hicn_format_t format, const hicn_header_t * h,
+ u8 ** payload, size_t * payload_size, bool hard_copy)
+{
+ size_t header_length, payload_length;
+ int rc;
+ hicn_type_t type = hicn_format_to_type (format);
+
+ rc =
+ hicn_ops_vft[type.l1]->get_header_length (type, &h->protocol,
+ &header_length);
+ if (rc < 0)
+ return rc;
+
+ rc =
+ hicn_ops_vft[type.l1]->get_payload_length (type, &h->protocol,
+ &payload_length);
+ if (rc < 0)
+ return rc;
+
+ if (hard_copy)
+ {
+ memcpy (payload, (u8 *) h + header_length, payload_length);
+ }
+ else
+ {
+ *payload = (u8 *) h + header_length;
+ }
+
+ return HICN_LIB_ERROR_NONE;
+}
+
+int
+hicn_packet_get_locator (hicn_format_t format, const hicn_header_t * h,
+ ip_address_t * ip_address, bool is_interest)
+{
+ const void *locator;
+ int is_ipv4 = (format & HFO_INET);
+ int is_ipv6 = (format & HFO_INET6) >> 1;
+
+ if (is_ipv4)
+ {
+ locator = is_interest ? &h->v4.ip.saddr : &h->v4.ip.daddr;
+ ip_address->family = AF_INET;
+ ip_address->prefix_len = IPV4_ADDR_LEN_BITS;
+ }
+ else if (is_ipv6)
+ {
+ locator = is_interest ? &h->v6.ip.saddr : &h->v6.ip.daddr;
+ ip_address->family = AF_INET6;
+ ip_address->prefix_len = IPV6_ADDR_LEN_BITS;
+ }
+ else
+ {
+ return HICN_LIB_ERROR_NOT_IMPLEMENTED;
+ }
+
+ memcpy (ip_address->buffer, locator, ip_address_len (ip_address));
+
+ return HICN_LIB_ERROR_NONE;
+}
+
+int
+hicn_packet_set_locator (hicn_format_t format, hicn_header_t * h,
+ const ip_address_t * ip_address, bool is_interest)
+{
+ void *locator;
+ int is_ipv4 = (format & HFO_INET);
+ int is_ipv6 = (format & HFO_INET6) >> 1;
+
+ if (is_ipv6)
+ {
+ locator = is_interest ? &h->v6.ip.saddr : &h->v6.ip.daddr;
+ }
+ else if (is_ipv4)
+ {
+ locator = is_interest ? &h->v4.ip.saddr : &h->v4.ip.daddr;
+ }
+ else
+ {
+ return HICN_LIB_ERROR_INVALID_PARAMETER;
+ }
+
+ memcpy (locator, ip_address->buffer, ip_address_len (ip_address));
+
+ return HICN_LIB_ERROR_NONE;
+}
+
+int
+hicn_packet_get_signature_size (hicn_format_t format, const hicn_header_t * h,
+ size_t * bytes)
+{
+ hicn_type_t type = hicn_format_to_type (format);
+ return hicn_ops_vft[type.l1]->get_signature_size (type, &h->protocol,
+ bytes);
+}
+
+int
+hicn_packet_set_signature_size (hicn_format_t format, hicn_header_t * h,
+ size_t bytes)
+{
+ hicn_type_t type = hicn_format_to_type (format);
+ return hicn_ops_vft[type.l1]->set_signature_size (type, &h->protocol,
+ bytes);
+}
+
+int
+hicn_packet_set_signature_timestamp (hicn_format_t format, hicn_header_t * h,
+ uint64_t signature_timestamp)
+{
+ hicn_type_t type = hicn_format_to_type (format);
+ return hicn_ops_vft[type.l1]->set_signature_timestamp (type, &h->protocol,
+ signature_timestamp);
+}
+
+int
+hicn_packet_get_signature_timestamp (hicn_format_t format, const hicn_header_t * h,
+ uint64_t *signature_timestamp)
+{
+ hicn_type_t type = hicn_format_to_type (format);
+ return hicn_ops_vft[type.l1]->get_signature_timestamp (type, &h->protocol,
+ signature_timestamp);
+}
+
+int
+hicn_packet_set_validation_algorithm (hicn_format_t format, hicn_header_t * h,
+ uint8_t validation_algorithm)
+{
+ hicn_type_t type = hicn_format_to_type (format);
+ return hicn_ops_vft[type.l1]->set_validation_algorithm (type, &h->protocol,
+ validation_algorithm);
+}
+
+int
+hicn_packet_get_validation_algorithm (hicn_format_t format, const hicn_header_t * h,
+ uint8_t * validation_algorithm)
+{
+ hicn_type_t type = hicn_format_to_type (format);
+ return hicn_ops_vft[type.l1]->get_validation_algorithm (type, &h->protocol,
+ validation_algorithm);
+}
+
+int
+hicn_packet_set_key_id (hicn_format_t format, hicn_header_t * h,
+ uint8_t *key_id)
+{
+ hicn_type_t type = hicn_format_to_type (format);
+ return hicn_ops_vft[type.l1]->set_key_id (type, &h->protocol,
+ key_id);
+}
+
+int
+hicn_packet_get_key_id (hicn_format_t format, hicn_header_t * h,
+ uint8_t ** key_id, uint8_t *key_id_length)
+{
+ hicn_type_t type = hicn_format_to_type (format);
+ return hicn_ops_vft[type.l1]->get_key_id (type, &h->protocol,
+ key_id, key_id_length);
+}
+
+int
+hicn_packet_get_hoplimit (const hicn_header_t * h, u8 * hops)
+{
+ switch (HICN_IP_VERSION (h))
+ {
+ case 6:
+ *hops = h->v6.ip.hlim;
+ break;
+ case 4:
+ *hops = h->v4.ip.ttl;
+ break;
+ default:
+ return HICN_LIB_ERROR_UNEXPECTED;
+ }
+
+ return HICN_LIB_ERROR_NONE;
+}
+
+int
+hicn_packet_set_hoplimit (hicn_header_t * h, u8 hops)
+{
+ switch (HICN_IP_VERSION (h))
+ {
+ case 6:
+ h->v6.ip.hlim = hops;
+ break;
+ case 4:
+ h->v4.ip.ttl = hops;
+ break;
+ default:
+ return HICN_LIB_ERROR_UNEXPECTED;
+ }
+
+ return HICN_LIB_ERROR_NONE;
+}
+
+
+int
+hicn_packet_get_lifetime (const hicn_header_t * h, u32 * lifetime)
+{
+ hicn_type_t type = hicn_header_to_type (h);
+ return hicn_ops_vft[type.l1]->get_lifetime (type, &h->protocol,
+ (hicn_lifetime_t *) lifetime);
+}
+
+int
+hicn_packet_set_lifetime (hicn_header_t * h, u32 lifetime)
+{
+ hicn_type_t type = hicn_header_to_type (h);
+ return hicn_ops_vft[type.l1]->set_lifetime (type, &h->protocol,
+ (hicn_lifetime_t) lifetime);
+}
+
+int
+hicn_packet_get_reserved_bits (const hicn_header_t * h, u8 * reserved_bits)
+{
+ switch (HICN_IP_VERSION (h))
+ {
+ case 6:
+ *reserved_bits = h->v6.tcp.reserved;
+ break;
+ case 4:
+ *reserved_bits = h->v4.tcp.reserved;
+ break;
+ default:
+ return HICN_LIB_ERROR_UNEXPECTED;
+ }
+
+ return HICN_LIB_ERROR_NONE;
+}
+
+int
+hicn_packet_set_reserved_bits (hicn_header_t * h, u8 reserved_bits)
+{
+ switch (HICN_IP_VERSION (h))
+ {
+ case 6:
+ h->v6.tcp.reserved = reserved_bits;
+ break;
+ case 4:
+ h->v4.tcp.reserved = reserved_bits;
+ break;
+ default:
+ return HICN_LIB_ERROR_UNEXPECTED;
+ }
+
+ return HICN_LIB_ERROR_NONE;
+}
+
+int
+hicn_packet_get_payload_type (const hicn_header_t * h,
+ hicn_payload_type_t * payload_type)
+{
+ switch (HICN_IP_VERSION (h))
+ {
+ case 6:
+ *payload_type = ((h->v6.tcp.flags & TCP_FLAG_URG) == TCP_FLAG_URG);
+ break;
+ case 4:
+ *payload_type = ((h->v4.tcp.flags & TCP_FLAG_URG) == TCP_FLAG_URG);
+ break;
+ default:
+ return HICN_LIB_ERROR_UNEXPECTED;
+ }
+
+ if (*payload_type == HPT_UNSPEC)
+ {
+ return HICN_LIB_ERROR_UNEXPECTED;
+ }
+
+ return HICN_LIB_ERROR_NONE;
+}
+
+int
+hicn_packet_set_payload_type (hicn_header_t * h,
+ hicn_payload_type_t payload_type)
+{
+ if (payload_type != HPT_DATA && payload_type != HPT_MANIFEST)
+ {
+ return HICN_LIB_ERROR_UNEXPECTED;
+ }
+
+ switch (HICN_IP_VERSION (h))
+ {
+ case 6:
+ if (payload_type)
+ h->v6.tcp.flags = h->v6.tcp.flags | TCP_FLAG_URG;
+ else
+ h->v6.tcp.flags = h->v6.tcp.flags & ~TCP_FLAG_URG;
+ break;
+ case 4:
+ if (payload_type)
+ h->v4.tcp.flags = h->v4.tcp.flags | TCP_FLAG_URG;
+ else
+ h->v4.tcp.flags = h->v4.tcp.flags & ~TCP_FLAG_URG;
+ break;
+ default:
+ return HICN_LIB_ERROR_UNEXPECTED;
+ }
+
+ return HICN_LIB_ERROR_NONE;
+}
+
+int
+hicn_packet_set_syn (hicn_header_t * h)
+{
+ switch (HICN_IP_VERSION (h))
+ {
+ case 6:
+ h->v6.tcp.flags = h->v6.tcp.flags | TCP_FLAG_SYN;
+ break;
+ case 4:
+ h->v4.tcp.flags = h->v4.tcp.flags | TCP_FLAG_SYN;
+ break;
+ default:
+ return HICN_LIB_ERROR_UNEXPECTED;
+ }
+ return HICN_LIB_ERROR_NONE;
+}
+
+int
+hicn_packet_reset_syn (hicn_header_t * h)
+{
+ switch (HICN_IP_VERSION (h))
+ {
+ case 6:
+ h->v6.tcp.flags = h->v6.tcp.flags & ~TCP_FLAG_SYN;
+ break;
+ case 4:
+ h->v4.tcp.flags = h->v4.tcp.flags & ~TCP_FLAG_SYN;
+ break;
+ default:
+ return HICN_LIB_ERROR_UNEXPECTED;
+ }
+ return HICN_LIB_ERROR_NONE;
+}
+
+int
+hicn_packet_test_syn (const hicn_header_t * h, bool * flag)
+{
+ switch (HICN_IP_VERSION (h))
+ {
+ case 6:
+ *flag = h->v6.tcp.flags & TCP_FLAG_SYN;
+ break;
+ case 4:
+ *flag = h->v4.tcp.flags & TCP_FLAG_SYN;
+ break;
+ default:
+ return HICN_LIB_ERROR_UNEXPECTED;
+ }
+ return HICN_LIB_ERROR_NONE;
+}
+
+int
+hicn_packet_set_ack (hicn_header_t * h)
+{
+ switch (HICN_IP_VERSION (h))
+ {
+ case 6:
+ h->v6.tcp.flags = h->v6.tcp.flags | TCP_FLAG_ACK;
+ break;
+ case 4:
+ h->v4.tcp.flags = h->v4.tcp.flags | TCP_FLAG_ACK;
+ break;
+ default:
+ return HICN_LIB_ERROR_UNEXPECTED;
+ }
+ return HICN_LIB_ERROR_NONE;
+}
+
+int
+hicn_packet_reset_ack (hicn_header_t * h)
+{
+ switch (HICN_IP_VERSION (h))
+ {
+ case 6:
+ h->v6.tcp.flags = h->v6.tcp.flags & ~TCP_FLAG_ACK;
+ break;
+ case 4:
+ h->v4.tcp.flags = h->v4.tcp.flags & ~TCP_FLAG_ACK;
+ break;
+ default:
+ return HICN_LIB_ERROR_UNEXPECTED;
+ }
+ return HICN_LIB_ERROR_NONE;
+}
+
+int
+hicn_packet_test_ack (const hicn_header_t * h, bool * flag)
+{
+ switch (HICN_IP_VERSION (h))
+ {
+ case 6:
+ *flag = h->v6.tcp.flags & TCP_FLAG_ACK;
+ break;
+ case 4:
+ *flag = h->v4.tcp.flags & TCP_FLAG_ACK;
+ break;
+ default:
+ return HICN_LIB_ERROR_UNEXPECTED;
+ }
+ return HICN_LIB_ERROR_NONE;
+}
+
+int
+hicn_packet_set_rst (hicn_header_t * h)
+{
+ switch (HICN_IP_VERSION (h))
+ {
+ case 6:
+ h->v6.tcp.flags = h->v6.tcp.flags | TCP_FLAG_RST;
+ break;
+ case 4:
+ h->v4.tcp.flags = h->v4.tcp.flags | TCP_FLAG_RST;
+ break;
+ default:
+ return HICN_LIB_ERROR_UNEXPECTED;
+ }
+ return HICN_LIB_ERROR_NONE;
+}
+
+int
+hicn_packet_reset_rst (hicn_header_t * h)
+{
+ switch (HICN_IP_VERSION (h))
+ {
+ case 6:
+ h->v6.tcp.flags = h->v6.tcp.flags & ~TCP_FLAG_RST;
+ break;
+ case 4:
+ h->v4.tcp.flags = h->v4.tcp.flags & ~TCP_FLAG_RST;
+ break;
+ default:
+ return HICN_LIB_ERROR_UNEXPECTED;
+ }
+ return HICN_LIB_ERROR_NONE;
+}
+
+int
+hicn_packet_test_rst (const hicn_header_t * h, bool * flag)
+{
+ switch (HICN_IP_VERSION (h))
+ {
+ case 6:
+ *flag = h->v6.tcp.flags & TCP_FLAG_RST;
+ break;
+ case 4:
+ *flag = h->v4.tcp.flags & TCP_FLAG_RST;
+ break;
+ default:
+ return HICN_LIB_ERROR_UNEXPECTED;
+ }
+ return HICN_LIB_ERROR_NONE;
+}
+
+int
+hicn_packet_set_fin (hicn_header_t * h)
+{
+ switch (HICN_IP_VERSION (h))
+ {
+ case 6:
+ h->v6.tcp.flags = h->v6.tcp.flags | TCP_FLAG_FIN;
+ break;
+ case 4:
+ h->v4.tcp.flags = h->v4.tcp.flags | TCP_FLAG_FIN;
+ break;
+ default:
+ return HICN_LIB_ERROR_UNEXPECTED;
+ }
+ return HICN_LIB_ERROR_NONE;
+}
+
+int
+hicn_packet_reset_fin (hicn_header_t * h)
+{
+ switch (HICN_IP_VERSION (h))
+ {
+ case 6:
+ h->v6.tcp.flags = h->v6.tcp.flags & ~TCP_FLAG_FIN;
+ break;
+ case 4:
+ h->v4.tcp.flags = h->v4.tcp.flags & ~TCP_FLAG_FIN;
+ break;
+ default:
+ return HICN_LIB_ERROR_UNEXPECTED;
+ }
+ return HICN_LIB_ERROR_NONE;
+}
+
+int
+hicn_packet_test_fin (const hicn_header_t * h, bool * flag)
+{
+ switch (HICN_IP_VERSION (h))
+ {
+ case 6:
+ *flag = h->v6.tcp.flags & TCP_FLAG_FIN;
+ break;
+ case 4:
+ *flag = h->v4.tcp.flags & TCP_FLAG_FIN;
+ break;
+ default:
+ return HICN_LIB_ERROR_UNEXPECTED;
+ }
+ return HICN_LIB_ERROR_NONE;
+}
+
+int
+hicn_packet_set_ece (hicn_header_t * h)
+{
+ switch (HICN_IP_VERSION (h))
+ {
+ case 6:
+ h->v6.tcp.flags = h->v6.tcp.flags | TCP_FLAG_ECE;
+ break;
+ case 4:
+ h->v4.tcp.flags = h->v4.tcp.flags | TCP_FLAG_ECE;
+ break;
+ default:
+ return HICN_LIB_ERROR_UNEXPECTED;
+ }
+ return HICN_LIB_ERROR_NONE;
+}
+
+int
+hicn_packet_reset_ece (hicn_header_t * h)
+{
+ switch (HICN_IP_VERSION (h))
+ {
+ case 6:
+ h->v6.tcp.flags = h->v6.tcp.flags & ~TCP_FLAG_ECE;
+ break;
+ case 4:
+ h->v4.tcp.flags = h->v4.tcp.flags & ~TCP_FLAG_ECE;
+ break;
+ default:
+ return HICN_LIB_ERROR_UNEXPECTED;
+ }
+ return HICN_LIB_ERROR_NONE;
+}
+
+int
+hicn_packet_test_ece (const hicn_header_t * h, bool * flag)
+{
+ switch (HICN_IP_VERSION (h))
+ {
+ case 6:
+ *flag = h->v6.tcp.flags & TCP_FLAG_ECE;
+ break;
+ case 4:
+ *flag = h->v4.tcp.flags & TCP_FLAG_ECE;
+ break;
+ default:
+ return HICN_LIB_ERROR_UNEXPECTED;
+ }
+ return HICN_LIB_ERROR_NONE;
+}
+
+int
+hicn_packet_set_src_port (hicn_header_t * h, u16 src_port)
+{
+ switch (HICN_IP_VERSION (h))
+ {
+ case 6:
+ h->v6.tcp.sport = htons (src_port);
+ break;
+ case 4:
+ h->v4.tcp.sport = htons (src_port);
+ break;
+ default:
+ return HICN_LIB_ERROR_UNEXPECTED;
+ }
+ return HICN_LIB_ERROR_NONE;
+}
+
+int
+hicn_packet_get_src_port (const hicn_header_t * h, u16 * src_port)
+{
+ switch (HICN_IP_VERSION (h))
+ {
+ case 6:
+ *src_port = ntohs (h->v6.tcp.sport);
+ break;
+ case 4:
+ *src_port = ntohs (h->v4.tcp.sport);
+ break;
+ default:
+ return HICN_LIB_ERROR_UNEXPECTED;
+ }
+ return HICN_LIB_ERROR_NONE;
+}
+
+int
+hicn_packet_set_dst_port (hicn_header_t * h, u16 dst_port)
+{
+ switch (HICN_IP_VERSION (h))
+ {
+ case 6:
+ h->v6.tcp.dport = htons (dst_port);
+ break;
+ case 4:
+ h->v4.tcp.dport = htons (dst_port);
+ break;
+ default:
+ return HICN_LIB_ERROR_UNEXPECTED;
+ }
+ return HICN_LIB_ERROR_NONE;
+}
+
+int
+hicn_packet_get_dst_port (const hicn_header_t * h, u16 * dst_port)
+{
+ switch (HICN_IP_VERSION (h))
+ {
+ case 6:
+ *dst_port = ntohs (h->v6.tcp.dport);
+ break;
+ case 4:
+ *dst_port = ntohs (h->v4.tcp.dport);
+ break;
+ default:
+ return HICN_LIB_ERROR_UNEXPECTED;
+ }
+ return HICN_LIB_ERROR_NONE;
+}
+
+int
+hicn_packet_copy_header (hicn_format_t format, const hicn_header_t * packet,
+ hicn_header_t * destination, bool copy_ah)
+{
+ size_t header_length = _is_ipv4 (format) * IPV4_HDRLEN;
+ header_length += _is_ipv6 (format) * IPV6_HDRLEN;
+ header_length += _is_icmp (format) * ICMP_HDRLEN;
+ header_length += _is_tcp (format) * TCP_HDRLEN;
+ header_length += _is_ah (format) * copy_ah * AH_HDRLEN;
+
+ memcpy (destination, packet, header_length);
+
+ return HICN_LIB_ERROR_NONE;
+}
+
+#define _INTEREST 1
+#define _DATA 0
+
+/* Interest */
+
+int
+hicn_interest_get_name (hicn_format_t format, const hicn_header_t * interest,
+ hicn_name_t * name)
+{
+ return hicn_packet_get_name (format, interest, name, _INTEREST);
+}
+
+int
+hicn_interest_set_name (hicn_format_t format, hicn_header_t * interest,
+ const hicn_name_t * name)
+{
+ int ret_err = hicn_packet_reset_ece (interest); //interest packet -> ece flag unset
+ if (ret_err < 0)
+ return HICN_LIB_ERROR_UNEXPECTED;
+ return hicn_packet_set_name (format, interest, name, _INTEREST);
+}
+
+int
+hicn_interest_get_locator (hicn_format_t format,
+ const hicn_header_t * interest,
+ ip_address_t * ip_address)
+{
+ return hicn_packet_get_locator (format, interest, ip_address, _INTEREST);
+}
+
+int
+hicn_interest_set_locator (hicn_format_t format, hicn_header_t * interest,
+ const ip_address_t * ip_address)
+{
+ return hicn_packet_set_locator (format, interest, ip_address, _INTEREST);
+}
+
+int
+hicn_interest_compare (const hicn_header_t * interest_1,
+ const hicn_header_t * interest_2)
+{
+ return hicn_packet_compare (interest_1, interest_2);
+}
+
+int
+hicn_interest_get_lifetime (const hicn_header_t * interest, u32 * lifetime)
+{
+ return hicn_packet_get_lifetime (interest, lifetime);
+}
+
+int
+hicn_interest_set_lifetime (hicn_header_t * interest, u32 lifetime)
+{
+ return hicn_packet_set_lifetime (interest, lifetime);
+}
+
+int
+hicn_interest_get_header_length (hicn_format_t format,
+ const hicn_header_t * interest,
+ size_t * header_length)
+{
+ return hicn_packet_get_header_length (format, interest, header_length);
+}
+
+int
+hicn_interest_get_payload_length (hicn_format_t format,
+ const hicn_header_t * interest,
+ size_t * payload_length)
+{
+ return hicn_packet_get_payload_length (format, interest, payload_length);
+}
+
+int
+hicn_interest_get_payload (hicn_format_t format,
+ const hicn_header_t * interest, u8 ** payload,
+ size_t * payload_size, bool hard_copy)
+{
+ return hicn_packet_get_payload (format, interest, payload, payload_size,
+ hard_copy);
+}
+
+int
+hicn_interest_set_payload (hicn_format_t format, hicn_header_t * interest,
+ const u8 * payload, size_t payload_length)
+{
+ return hicn_packet_set_payload (format, interest, payload, payload_length);
+}
+
+int
+hicn_interest_reset_for_hash (hicn_format_t format, hicn_header_t * packet)
+{
+ hicn_type_t type = hicn_format_to_type (format);
+ return hicn_ops_vft[type.l1]->reset_interest_for_hash (type,
+ &packet->protocol);
+}
+
+/* Data */
+
+int
+hicn_data_get_name (hicn_format_t format, const hicn_header_t * data,
+ hicn_name_t * name)
+{
+ return hicn_packet_get_name (format, data, name, _DATA);
+}
+
+int
+hicn_data_set_name (hicn_format_t format, hicn_header_t * data,
+ hicn_name_t * name)
+{
+ int ret_err = hicn_packet_set_ece (data); //data packet -> ece flag set
+ if (ret_err < 0)
+ return HICN_LIB_ERROR_UNEXPECTED;
+ return hicn_packet_set_name (format, data, name, _DATA);
+}
+
+int
+hicn_data_get_locator (hicn_format_t format, const hicn_header_t * data,
+ ip_address_t * ip_address)
+{
+ return hicn_packet_get_locator (format, data, ip_address, _DATA);
+}
+
+int
+hicn_data_set_locator (hicn_format_t format, hicn_header_t * data,
+ const ip_address_t * ip_address)
+{
+ return hicn_packet_set_locator (format, data, ip_address, _DATA);
+}
+
+int
+hicn_data_compare (const hicn_header_t * data_1, const hicn_header_t * data_2)
+{
+ return hicn_packet_compare (data_1, data_2);
+}
+
+int
+hicn_data_get_expiry_time (const hicn_header_t * data, u32 * expiry_time)
+{
+ return hicn_packet_get_lifetime (data, expiry_time);
+}
+
+int
+hicn_data_set_expiry_time (hicn_header_t * data, u32 expiry_time)
+{
+ return hicn_packet_set_lifetime (data, (hicn_lifetime_t) expiry_time);
+}
+
+int
+hicn_data_get_header_length (hicn_format_t format, hicn_header_t * data,
+ size_t * header_length)
+{
+ return hicn_packet_get_header_length (format, data, header_length);
+}
+
+int
+hicn_data_get_payload_length (hicn_format_t format,
+ const hicn_header_t * data,
+ size_t * payload_length)
+{
+ return hicn_packet_get_payload_length (format, data, payload_length);
+}
+
+int
+hicn_data_set_payload_type (hicn_header_t * data,
+ hicn_payload_type_t payload_type)
+{
+ return hicn_packet_set_payload_type (data, payload_type);
+}
+
+int
+hicn_data_get_payload_type (const hicn_header_t * data,
+ hicn_payload_type_t * payload_type)
+{
+ return hicn_packet_get_payload_type (data, payload_type);
+}
+
+int
+hicn_data_get_path_label (const hicn_header_t * data, u32 * path_label)
+{
+ hicn_type_t type = hicn_header_to_type (data);
+ return hicn_ops_vft[type.l1]->get_data_pathlabel (type, &data->protocol,
+ path_label);
+}
+
+int
+hicn_data_set_path_label (hicn_header_t * data, u32 path_label)
+{
+ hicn_type_t type = hicn_header_to_type (data);
+ return hicn_ops_vft[type.l1]->set_data_pathlabel (type, &data->protocol,
+ path_label);
+}
+
+int
+hicn_data_set_payload (hicn_format_t format, hicn_header_t * data,
+ const u8 * payload, size_t payload_length)
+{
+ return hicn_packet_set_payload (format, data, payload, payload_length);
+}
+
+int
+hicn_data_get_payload (hicn_format_t format, const hicn_header_t * data,
+ u8 ** payload, size_t * payload_size, bool hard_copy)
+{
+ return hicn_packet_get_payload (format, data, payload, payload_size,
+ hard_copy);
+}
+
+int
+hicn_data_reset_for_hash (hicn_format_t format, hicn_header_t * packet)
+{
+ hicn_type_t type = hicn_format_to_type (format);
+ return hicn_ops_vft[type.l1]->reset_interest_for_hash (type,
+ &packet->protocol);
+
+}
+
+/*
+ * fd.io coding-style-patch-verification: ON
+ *
+ * Local Variables:
+ * eval: (c-set-style "gnu")
+ * End:
+ */