coap_dgrm_internal.h

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/*
 * coap_dgrm_internal.h -- Datagram (UDP) functions for libcoap
 *
 * Copyright (C) 2019--2026 Olaf Bergmann <bergmann@tzi.org> and others
 *
 * SPDX-License-Identifier: BSD-2-Clause
 *
 * This file is part of the CoAP library libcoap. Please see README for terms
 * of use.
 */

 
#ifndef COAP_DGRM_INTERNAL_H_
#define COAP_DGRM_INTERNAL_H_
 
#ifdef __cplusplus
extern "C" {
#endif
 
typedef struct coap_icmp_info_t {
  uint32_t length;
  uint8_t cmsg_level;
  uint8_t ee_origin;
  uint8_t ee_type;
  uint8_t ee_code;
} coap_icmp_info_t;

 
#if COAP_CLIENT_SUPPORT
int coap_socket_connect_udp(coap_socket_t *sock,
                            const coap_address_t *local_if,
                            const coap_address_t *server,
                            int default_port,
                            coap_address_t *local_addr,
                            coap_address_t *remote_addr);
#endif /* COAP_CLIENT_SUPPORT */
 
#if COAP_SERVER_SUPPORT
int coap_socket_bind_udp(coap_socket_t *sock,
                         const coap_address_t *listen_addr,
                         coap_address_t *bound_addr);
#endif /* COAP_SERVER_SUPPORT */

ssize_t coap_socket_send(coap_socket_t *sock, coap_session_t *session,
                         const uint8_t *data, size_t datalen);

ssize_t coap_socket_recv(coap_socket_t *sock, coap_packet_t *packet);

void coap_socket_dgrm_close(coap_socket_t *sock);

 
#ifdef __cplusplus
}
#endif
 
#endif /* COAP_DGRM_INTERNAL_H_ */