libcoap  4.3.1
coap_io.h
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1 /*
2  * coap_io.h -- Default network I/O functions for libcoap
3  *
4  * Copyright (C) 2012-2013,2022 Olaf Bergmann <bergmann@tzi.org>
5  *
6  * SPDX-License-Identifier: BSD-2-Clause
7  *
8  * This file is part of the CoAP library libcoap. Please see README for terms
9  * of use.
10  */
11 
17 #ifndef COAP_IO_H_
18 #define COAP_IO_H_
19 
20 #include <sys/types.h>
21 
22 #include "coap_address.h"
23 
24 #ifdef RIOT_VERSION
25 #include "net/gnrc.h"
26 #endif /* RIOT_VERSION */
27 
28 #ifndef COAP_RXBUFFER_SIZE
29 #define COAP_RXBUFFER_SIZE 1472
30 #endif /* COAP_RXBUFFER_SIZE */
31 
32 /*
33  * It may may make sense to define this larger on busy systems
34  * (lots of sessions, large number of which are active), by using
35  * -DCOAP_MAX_EPOLL_EVENTS=nn at compile time.
36  */
37 #ifndef COAP_MAX_EPOLL_EVENTS
38 #define COAP_MAX_EPOLL_EVENTS 10
39 #endif /* COAP_MAX_EPOLL_EVENTS */
40 
41 #ifdef _WIN32
42 typedef SOCKET coap_fd_t;
43 #define coap_closesocket closesocket
44 #define COAP_SOCKET_ERROR SOCKET_ERROR
45 #define COAP_INVALID_SOCKET INVALID_SOCKET
46 #else
47 typedef int coap_fd_t;
48 #define coap_closesocket close
49 #define COAP_SOCKET_ERROR (-1)
50 #define COAP_INVALID_SOCKET (-1)
51 #endif
52 
53 typedef uint16_t coap_socket_flags_t;
54 
55 typedef struct coap_addr_tuple_t {
59 
60 const char *coap_socket_strerror( void );
61 
67 int coap_tcp_is_supported(void);
68 
69 typedef enum {
76 
77 #endif /* COAP_IO_H_ */
Representation of network addresses.
uint16_t coap_socket_flags_t
Definition: coap_io.h:53
int coap_tcp_is_supported(void)
Check whether TCP is available.
Definition: coap_tcp.c:38
coap_nack_reason_t
Definition: coap_io.h:69
@ COAP_NACK_NOT_DELIVERABLE
Definition: coap_io.h:71
@ COAP_NACK_TOO_MANY_RETRIES
Definition: coap_io.h:70
@ COAP_NACK_TLS_FAILED
Definition: coap_io.h:73
@ COAP_NACK_ICMP_ISSUE
Definition: coap_io.h:74
@ COAP_NACK_RST
Definition: coap_io.h:72
struct coap_addr_tuple_t coap_addr_tuple_t
int coap_fd_t
Definition: coap_io.h:47
const char * coap_socket_strerror(void)
Definition: coap_io.c:1604
coap_address_t remote
remote address and port
Definition: coap_io.h:56
coap_address_t local
local address and port
Definition: coap_io.h:57
multi-purpose address abstraction
Definition: coap_address.h:96