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 * Included from lib/private-lib-core.h if LWS_PLAT_FREERTOS 25 */ 26 27 #define SOMAXCONN 3 28 29 #if defined(LWS_AMAZON_RTOS) 30 int 31 open(const char *path, int oflag, ...); 32 #else 33 #include <fcntl.h> 34 #endif 35 36 #include <strings.h> 37 #include <unistd.h> 38 #include <sys/stat.h> 39 #include <sys/types.h> 40 #include <sys/time.h> 41 #include <netdb.h> 42 43 #ifndef __cplusplus 44 #include <errno.h> 45 #endif 46 #include <netdb.h> 47 #include <signal.h> 48 #if defined(LWS_AMAZON_RTOS) 49 const char * 50 gai_strerror(int); 51 #else 52 #include <sys/socket.h> 53 #endif 54 55 #if defined(LWS_AMAZON_RTOS) 56 #include "FreeRTOS.h" 57 #if defined(LWS_WITH_SYS_ASYNC_DNS) 58 #include "FreeRTOS_IP.h" 59 #endif 60 #include "timers.h" 61 #include <esp_attr.h> 62 #else 63 #include "freertos/timers.h" 64 #include <esp_attr.h> 65 #include <esp_system.h> 66 #include <esp_task_wdt.h> 67 #endif 68 69 #if defined(LWS_WITH_ESP32) 70 #include "lwip/apps/sntp.h" 71 #endif 72 73 #include <lwip/sockets.h> 74 75 #if defined(LWS_BUILTIN_GETIFADDRS) 76 #include "./misc/getifaddrs.h" 77 #endif 78 79 #define LWS_ERRNO errno 80 #define LWS_EAGAIN EAGAIN 81 #define LWS_EALREADY EALREADY 82 #define LWS_EINPROGRESS EINPROGRESS 83 #define LWS_EINTR EINTR 84 #define LWS_EISCONN EISCONN 85 #define LWS_ENOTCONN ENOTCONN 86 #define LWS_EWOULDBLOCK EWOULDBLOCK 87 #define LWS_EADDRINUSE EADDRINUSE 88 89 #define lws_set_blocking_send(wsi) 90 91 #ifndef LWS_NO_FORK 92 #ifdef LWS_HAVE_SYS_PRCTL_H 93 #include <sys/prctl.h> 94 #endif 95 #endif 96 97 #if !defined(MSG_NOSIGNAL) 98 #define MSG_NOSIGNAL 0 99 #endif 100 101 #define compatible_close(x) close(x) 102 #define lws_plat_socket_offset() LWIP_SOCKET_OFFSET 103 #define wsi_from_fd(A,B) A->lws_lookup[B - lws_plat_socket_offset()] 104 105 struct lws_context; 106 struct lws; 107 108 int 109 insert_wsi(const struct lws_context *context, struct lws *wsi); 110 111 #define delete_from_fd(A,B) A->lws_lookup[B - lws_plat_socket_offset()] = 0 112 113