mirror of https://github.com/ARMmbed/mbed-os.git
92 lines
4.0 KiB
C
92 lines
4.0 KiB
C
/*
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* Copyright (c) 2015-2018, Pelion and affiliates.
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* SPDX-License-Identifier: Apache-2.0
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*
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* Licensed under the Apache License, Version 2.0 (the "License");
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* you may not use this file except in compliance with the License.
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* You may obtain a copy of the License at
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*
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* http://www.apache.org/licenses/LICENSE-2.0
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*
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* Unless required by applicable law or agreed to in writing, software
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* distributed under the License is distributed on an "AS IS" BASIS,
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* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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* See the License for the specific language governing permissions and
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* limitations under the License.
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*/
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#ifndef __COAP_CONNECTION_HANDLER_H__
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#define __COAP_CONNECTION_HANDLER_H__
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#include <inttypes.h>
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#include <stddef.h>
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#include <stdbool.h>
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#include "ns_address.h"
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#include "coap_service_api_internal.h"
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#include "coap_security_handler.h"
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#define MAX_SECURE_SESSION_COUNT 3
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#define MAX_ONGOING_HANDSHAKES 2
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#define CLOSED_SECURE_SESSION_TIMEOUT 3600 // Seconds
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#define ONGOING_HANDSHAKE_TIMEOUT 600 // Seconds
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#define OPEN_SECURE_SESSION_TIMEOUT 18000 // Seconds
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#define SECURE_SESSION_CLEAN_INTERVAL 60 // Seconds
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struct internal_socket_s;
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typedef int send_to_socket_cb(int8_t socket_id, const uint8_t address[static 16], uint16_t port, const void *, int);
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typedef int receive_from_socket_cb(int8_t socket_id, int8_t recv_if_id, uint8_t src_address[static 16], uint16_t port, const uint8_t dst_address[static 16], unsigned char *, int);
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typedef int get_pw_cb(int8_t socket_id, uint8_t address[static 16], uint16_t port, coap_security_keys_t *security_ptr);
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typedef void security_done_cb(int8_t socket_id, uint8_t address[static 16], uint16_t port, uint8_t keyblock[static 40]);
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typedef void cch_func_cb(void);
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typedef struct coap_conn_handler_s {
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struct internal_socket_s *socket;
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coap_security_keys_t *security_keys;
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receive_from_socket_cb *_recv_cb;
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send_to_socket_cb *_send_cb;
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get_pw_cb *_get_password_cb;
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security_done_cb *_security_done_cb;
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int8_t socket_interface_selection;
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bool registered_to_multicast;
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} coap_conn_handler_t;
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coap_conn_handler_t *connection_handler_create(receive_from_socket_cb *recv_from_cb,
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send_to_socket_cb *send_to_cb,
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get_pw_cb *pw_cb,
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security_done_cb *done_cb);
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void connection_handler_destroy(coap_conn_handler_t *handler, bool multicast_group_leave);
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void connection_handler_close_secure_connection(coap_conn_handler_t *handler, uint8_t destination_addr_ptr[static 16], uint16_t port);
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int coap_connection_handler_open_connection(coap_conn_handler_t *handler, uint16_t listen_port, bool use_ephemeral_port, bool is_secure, bool real_socket, bool bypassSec);
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//If returns -2, it means security was started and data was not send
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/*
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* \return > 0 in OK
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* \return 0 Session started, data not send
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* \return -1 failure
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*/
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int coap_connection_handler_send_data(coap_conn_handler_t *handler, const ns_address_t *dest_addr, const uint8_t src_address[static 16], uint8_t *data_ptr, uint16_t data_len, bool bypass_link_sec);
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int coap_connection_handler_virtual_recv(coap_conn_handler_t *handler, uint8_t address[static 16], uint16_t port, uint8_t *data_ptr, uint16_t data_len);
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bool coap_connection_handler_socket_belongs_to(coap_conn_handler_t *handler, int8_t socket_id);
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int8_t coap_connection_handler_set_timeout(coap_conn_handler_t *handler, uint32_t min, uint32_t max);
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int8_t coap_connection_handler_handshake_limits_set(uint8_t handshakes_limit, uint8_t connections_limit);
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void coap_connection_handler_exec(uint32_t time);
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coap_conn_handler_t *coap_connection_handler_find_by_socket_port(uint16_t listen_port);
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int coap_connection_handler_msg_prevalidate_callback_set(coap_conn_handler_t *handler, cch_func_cb *function_callback);
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cch_func_cb *coap_connection_handler_msg_prevalidate_callback_get(coap_conn_handler_t *handler, uint16_t *listen_socket_port);
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#endif
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