Zephyr Project API 4.2.0
A Scalable Open Source RTOS
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service.h
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1/*
2 * Copyright (c) 2022 Meta
3 *
4 * SPDX-License-Identifier: Apache-2.0
5 */
6
7#ifndef ZEPHYR_INCLUDE_NET_HTTP_SERVICE_H_
8#define ZEPHYR_INCLUDE_NET_HTTP_SERVICE_H_
9
22#include "zephyr/net/http/server.h"
23#include <stdint.h>
24#include <stddef.h>
25
26#include <zephyr/sys/util_macro.h>
27#include <zephyr/sys/iterable_sections.h>
28#include <zephyr/net/tls_credentials.h>
29
30#ifdef __cplusplus
31extern "C" {
32#endif
33
35struct http_resource_desc {
37 const char *resource;
39 void *detail;
40};
41
59#define HTTP_RESOURCE_DEFINE(_name, _service, _resource, _detail) \
60 const STRUCT_SECTION_ITERABLE_ALTERNATE(http_resource_desc_##_service, http_resource_desc, \
61 _name) = { \
62 .resource = _resource, \
63 .detail = (void *)(_detail), \
64 }
65
68struct http_service_runtime_data {
69 int num_clients;
70};
71
72struct http_service_desc {
73 const char *host;
74 uint16_t *port;
75 int *fd;
76 void *detail;
77 size_t concurrent;
78 size_t backlog;
79 struct http_service_runtime_data *data;
80 struct http_resource_desc *res_begin;
81 struct http_resource_desc *res_end;
82 struct http_resource_detail *res_fallback;
83#if defined(CONFIG_NET_SOCKETS_SOCKOPT_TLS)
84 const sec_tag_t *sec_tag_list;
85 size_t sec_tag_list_size;
86#endif
87};
88
89#define __z_http_service_define(_name, _host, _port, _concurrent, _backlog, _detail, \
90 _res_fallback, _res_begin, _res_end, ...) \
91 BUILD_ASSERT(_concurrent <= CONFIG_HTTP_SERVER_MAX_CLIENTS, \
92 "can't accept more then MAX_CLIENTS"); \
93 BUILD_ASSERT(_backlog > 0, "backlog can't be 0"); \
94 static int _name##_fd = -1; \
95 static struct http_service_runtime_data _name##_data = {0}; \
96 const STRUCT_SECTION_ITERABLE(http_service_desc, _name) = { \
97 .host = _host, \
98 .port = (uint16_t *)(_port), \
99 .fd = &_name##_fd, \
100 .detail = (void *)(_detail), \
101 .concurrent = (_concurrent), \
102 .backlog = (_backlog), \
103 .data = &_name##_data, \
104 .res_begin = (_res_begin), \
105 .res_end = (_res_end), \
106 .res_fallback = (_res_fallback), \
107 COND_CODE_1(CONFIG_NET_SOCKETS_SOCKOPT_TLS, \
108 (.sec_tag_list = COND_CODE_0(NUM_VA_ARGS_LESS_1(__VA_ARGS__), (NULL), \
109 (GET_ARG_N(1, __VA_ARGS__))),), ()) \
110 COND_CODE_1(CONFIG_NET_SOCKETS_SOCKOPT_TLS, \
111 (.sec_tag_list_size = COND_CODE_0(NUM_VA_ARGS_LESS_1(__VA_ARGS__), (0),\
112 (GET_ARG_N(1, GET_ARGS_LESS_N(1, __VA_ARGS__))))), ())\
113 }
114
137#define HTTP_SERVICE_DEFINE_EMPTY(_name, _host, _port, _concurrent, _backlog, _detail, \
138 _res_fallback) \
139 __z_http_service_define(_name, _host, _port, _concurrent, _backlog, _detail, \
140 _res_fallback, NULL, NULL)
141
164#define HTTPS_SERVICE_DEFINE_EMPTY(_name, _host, _port, _concurrent, _backlog, _detail, \
165 _res_fallback, _sec_tag_list, _sec_tag_list_size) \
166 __z_http_service_define(_name, _host, _port, _concurrent, _backlog, _detail, \
167 _res_fallback, NULL, NULL, \
168 _sec_tag_list, _sec_tag_list_size); \
169 BUILD_ASSERT(IS_ENABLED(CONFIG_NET_SOCKETS_SOCKOPT_TLS), \
170 "TLS is required for HTTP secure (CONFIG_NET_SOCKETS_SOCKOPT_TLS)")
171
192#define HTTP_SERVICE_DEFINE(_name, _host, _port, _concurrent, _backlog, _detail, _res_fallback) \
193 extern struct http_resource_desc _CONCAT(_http_resource_desc_##_name, _list_start)[]; \
194 extern struct http_resource_desc _CONCAT(_http_resource_desc_##_name, _list_end)[]; \
195 __z_http_service_define(_name, _host, _port, _concurrent, _backlog, _detail, \
196 _res_fallback, \
197 &_CONCAT(_http_resource_desc_##_name, _list_start)[0], \
198 &_CONCAT(_http_resource_desc_##_name, _list_end)[0]);
199
222#define HTTPS_SERVICE_DEFINE(_name, _host, _port, _concurrent, _backlog, _detail, \
223 _res_fallback, _sec_tag_list, _sec_tag_list_size) \
224 extern struct http_resource_desc _CONCAT(_http_resource_desc_##_name, _list_start)[]; \
225 extern struct http_resource_desc _CONCAT(_http_resource_desc_##_name, _list_end)[]; \
226 __z_http_service_define(_name, _host, _port, _concurrent, _backlog, _detail, \
227 _res_fallback, \
228 &_CONCAT(_http_resource_desc_##_name, _list_start)[0], \
229 &_CONCAT(_http_resource_desc_##_name, _list_end)[0], \
230 _sec_tag_list, _sec_tag_list_size); \
231 BUILD_ASSERT(IS_ENABLED(CONFIG_NET_SOCKETS_SOCKOPT_TLS), \
232 "TLS is required for HTTP secure (CONFIG_NET_SOCKETS_SOCKOPT_TLS)")
233
239#define HTTP_SERVICE_COUNT(_dst) STRUCT_SECTION_COUNT(http_service_desc, _dst)
240
246#define HTTP_SERVICE_RESOURCE_COUNT(_service) ((_service)->res_end - (_service)->res_begin)
247
253#define HTTP_SERVICE_FOREACH(_it) STRUCT_SECTION_FOREACH(http_service_desc, _it)
254
263#define HTTP_RESOURCE_FOREACH(_service, _it) \
264 STRUCT_SECTION_FOREACH_ALTERNATE(http_resource_desc_##_service, http_resource_desc, _it)
265
275#define HTTP_SERVICE_FOREACH_RESOURCE(_service, _it) \
276 for (struct http_resource_desc *_it = (_service)->res_begin; ({ \
277 __ASSERT(_it <= (_service)->res_end, "unexpected list end location"); \
278 _it < (_service)->res_end; \
279 }); \
280 _it++)
281
282#ifdef __cplusplus
283}
284#endif
285
290#endif /* ZEPHYR_INCLUDE_NET_HTTP_SERVICE_H_ */
sec_tag_t
int sec_tag_t
Secure tag, a reference to TLS credential.
Definition tls_credentials.h:80
server.h
HTTP server API.
uint16_t
__UINT16_TYPE__ uint16_t
Definition stdint.h:89
http_resource_desc
HTTP resource description.
Definition service.h:35
http_resource_desc::resource
const char * resource
Resource name.
Definition service.h:37
http_resource_desc::detail
void * detail
Detail associated with this resource.
Definition service.h:39
http_resource_detail
Representation of a server resource, common for all resource types.
Definition server.h:88
iterable_sections.h
tls_credentials.h
TLS credentials management.
util_macro.h
Macro utilities.