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/*
* Copyright (c) 2020 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 msgbuf.h
* \brief hICN message buffer
*/
#ifndef HICN_MSGBUF
#define HICN_MSGBUF
#include <hicn/core/name.h>
#include <hicn/core/ticks.h>
#include <hicn/core/messageHandler.h>
typedef struct {
Ticks receiveTime;
unsigned connection_id;
Name *name;
uint8_t *messageHead;
unsigned length;
uint8_t packetType;
} msgbuf_t;
#define msgbuf_from_packet(MSGBUF, PACKET, LENGTH, TYPE, CONNID, RECV_TIME) \
do { \
*MSGBUF = (msgbuf_t) { \
.receiveTime = (RECV_TIME), \
.connection_id = (CONNID), \
.messageHead = (PACKET), \
.length = (LENGTH), \
.packetType = (TYPE), \
.name = (TYPE != MESSAGE_TYPE_WLDR_NOTIFICATION \
? name_CreateFromPacket((PACKET), (TYPE)) \
: NULL), \
}; \
} while(0)
#define msgbuf_get_name(M) ((M)->name)
#define msgbuf_get_connection_id(M) ((M)->connection_id)
#define msgbuf_get_type(M) ((M)->packetType)
#define msgbuf_has_wldr(M) (messageHandler_HasWldr((M)->messageHead))
#define msgbuf_get_len(M) ((M)->length)
#define msgbuf_get_packet(M) ((M)->messageHead)
// XXX TODO EXPLAIN THE CONSTANT
#define msgbuf_get_interest_lifetime(M) (NSEC_TO_TICKS(messageHandler_GetInterestLifetime((M)->messageHead) * 1000000ULL))
#define msgbuf_is_probe(M) messageHandler_IsAProbe((M)->messageHead)
/* Path label */
#define msgbuf_get_pathlabel(M) (messageHandler_GetPathLabel((M)->messageHead))
#define msgbuf_set_pathlabel(M, label) (messageHandler_SetPathLabel((M)->messageHead, label))
#define msgbuf_update_pathlabel(M, outface) (messageHandler_SetPathLabel((M)->messageHead, outface))
#define msgbuf_reset_pathlabel(M) (messageHandler_ResetPathLabel((M)->messageHead))
/* WLDR */
#define msgbuf_reset_wldr_label(M) (messageHandler_ResetWldrLabel((M)->messageHead))
#define msgbuf_get_wldr_label(M) (messageHandler_GetWldrLabel((M)->messageHead))
#define msgbuf_get_wldr_expected_label(M) (messageHandler_GetWldrExpectedLabel((M)->messageHead))
#define msgbuf_get_wldr_last_received(M) (messageHandler_GetWldrLastReceived((M)->messageHead))
#define msgbuf_set_wldr_label(M, label) (messageHandler_GetWldrLabel((M)->messageHead, label))
#endif /* HICN_MSGBUF */
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