1 /*
2 * libwebsockets - small server side websockets and web server implementation
3 *
4 * Copyright (C) 2010 - 2019 Andy Green <andy@warmcat.com>
5 *
6 * Permission is hereby granted, free of charge, to any person obtaining a copy
7 * of this software and associated documentation files (the "Software"), to
8 * deal in the Software without restriction, including without limitation the
9 * rights to use, copy, modify, merge, publish, distribute, sublicense, and/or
10 * sell copies of the Software, and to permit persons to whom the Software is
11 * furnished to do so, subject to the following conditions:
12 *
13 * The above copyright notice and this permission notice shall be included in
14 * all copies or substantial portions of the Software.
15 *
16 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
17 * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
18 * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
19 * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
20 * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING
21 * FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS
22 * IN THE SOFTWARE.
23 */
24
25 #include "private-lib-core.h"
26
27 int
lws_plat_context_early_init(void)28 lws_plat_context_early_init(void)
29 {
30 return 0;
31 }
32
33 void
lws_plat_context_early_destroy(struct lws_context * context)34 lws_plat_context_early_destroy(struct lws_context *context)
35 {
36 #if defined(LWS_AMAZON_RTOS) && defined(LWS_WITH_MBEDTLS)
37 mbedtls_ctr_drbg_free(&context->mcdc);
38 mbedtls_entropy_free(&context->mec);
39 #endif
40 }
41
42 void
lws_plat_context_late_destroy(struct lws_context * context)43 lws_plat_context_late_destroy(struct lws_context *context)
44 {
45 #ifdef LWS_WITH_PLUGINS
46 if (context->plugin_list)
47 lws_plat_plugins_destroy(context);
48 #endif
49
50 if (context->lws_lookup)
51 lws_free(context->lws_lookup);
52 }
53
54 #if defined(LWS_WITH_HTTP2)
55 /*
56 * These are the default SETTINGS used on this platform. The user
57 * can selectively modify them for a vhost during vhost creation.
58 */
59 const struct http2_settings lws_h2_defaults_esp32 = { {
60 1,
61 /* H2SET_HEADER_TABLE_SIZE */ 512,
62 /* H2SET_ENABLE_PUSH */ 0,
63 /* H2SET_MAX_CONCURRENT_STREAMS */ 8,
64 /* H2SET_INITIAL_WINDOW_SIZE */ 0,
65 /* H2SET_MAX_FRAME_SIZE */ 16384,
66 /* H2SET_MAX_HEADER_LIST_SIZE */ 512,
67 /* H2SET_RESERVED7 */ 0,
68 /* H2SET_ENABLE_CONNECT_PROTOCOL */ 1,
69 }};
70 #endif
71
72 int
lws_plat_init(struct lws_context * context,const struct lws_context_creation_info * info)73 lws_plat_init(struct lws_context *context,
74 const struct lws_context_creation_info *info)
75 {
76 #if defined(LWS_AMAZON_RTOS) && defined(LWS_WITH_MBEDTLS)
77 int n;
78
79 /* initialize platform random through mbedtls */
80 mbedtls_entropy_init(&context->mec);
81 mbedtls_ctr_drbg_init(&context->mcdc);
82
83 n = mbedtls_ctr_drbg_seed(&context->mcdc, mbedtls_entropy_func,
84 &context->mec, NULL, 0);
85 if (n) {
86 lwsl_err("%s: mbedtls_ctr_drbg_seed() returned 0x%x\n",
87 __func__, n);
88
89 return 1;
90 }
91 #endif
92
93 /* context has the global fd lookup array */
94 context->lws_lookup = lws_zalloc(sizeof(struct lws *) *
95 context->max_fds, "esp32 lws_lookup");
96 if (context->lws_lookup == NULL) {
97 lwsl_err("OOM on lws_lookup array for %d connections\n",
98 context->max_fds);
99 return 1;
100 }
101
102 lwsl_notice(" mem: platform fd map: %5lu bytes\n",
103 (unsigned long)(sizeof(struct lws *) * context->max_fds));
104
105 #ifdef LWS_WITH_PLUGINS
106 if (info->plugin_dirs)
107 lws_plat_plugins_init(context, info->plugin_dirs);
108 #endif
109 #if defined(LWS_WITH_HTTP2)
110 /* override settings */
111 context->set = lws_h2_defaults_esp32;
112 #endif
113
114 #if defined(LWS_ESP_PLATFORM)
115 gpio_install_isr_service(0);
116 #endif
117
118 return 0;
119 }
120