[484cd8d] | 1 | /********************************************************************** |
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| 2 | * |
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| 3 | * rtems shttpd management |
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| 4 | * |
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| 5 | * FILE NAME : rtems_shttpd.c |
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| 6 | * |
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| 7 | * AUTHOR : Steven Johnson |
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| 8 | * |
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| 9 | * DESCRIPTION : Defines the interface functions to the shttp daemon |
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| 10 | * |
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| 11 | * REVISION : $Id$ |
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| 12 | * |
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| 13 | * COMMENTS : |
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| 14 | * |
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| 15 | **********************************************************************/ |
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| 16 | |
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| 17 | /********************************************************************** |
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| 18 | * INCLUDED MODULES |
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| 19 | **********************************************************************/ |
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| 20 | #include <rtems.h> |
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| 21 | #include "defs.h" |
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| 22 | |
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| 23 | #define MAX_WEB_BASE_PATH_LENGTH 256 |
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| 24 | #define MIN_SHTTPD_STACK (8*1024) |
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| 25 | |
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| 26 | typedef struct RTEMS_HTTPD_ARGS { |
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| 27 | rtems_shttpd_init init_callback; |
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| 28 | rtems_shttpd_addpages addpages_callback; |
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| 29 | char webroot[MAX_WEB_BASE_PATH_LENGTH]; |
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| 30 | } RTEMS_HTTPD_ARGS; |
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| 31 | |
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| 32 | static int rtems_webserver_running = FALSE; //not running. |
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| 33 | |
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| 34 | static rtems_task rtems_httpd_daemon(rtems_task_argument args ) |
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| 35 | { |
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| 36 | RTEMS_HTTPD_ARGS *httpd_args = (RTEMS_HTTPD_ARGS*)args; |
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| 37 | |
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| 38 | struct shttpd_ctx *ctx; |
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| 39 | |
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| 40 | if (httpd_args != NULL) |
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| 41 | if (httpd_args->init_callback != NULL) |
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| 42 | httpd_args->init_callback(); |
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| 43 | |
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| 44 | /************************************** |
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| 45 | * Initialize the web server |
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| 46 | */ |
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| 47 | /* |
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| 48 | * Initialize SHTTPD context. |
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| 49 | * Set WWW root to current WEB_ROOT_PATH. |
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| 50 | */ |
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| 51 | ctx = shttpd_init(NULL, "document_root", httpd_args->webroot, NULL); |
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| 52 | |
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| 53 | if (httpd_args != NULL) |
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| 54 | if (httpd_args->addpages_callback != NULL) |
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| 55 | httpd_args->addpages_callback(ctx); |
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| 56 | |
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| 57 | /* Finished with args, so free them */ |
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| 58 | if (httpd_args != NULL) |
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| 59 | free(httpd_args); |
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| 60 | |
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| 61 | /* Open listening socket */ |
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| 62 | shttpd_listen(ctx, 9000); |
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| 63 | |
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| 64 | rtems_webserver_running = TRUE; |
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| 65 | |
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| 66 | /* Serve connections infinitely until someone kills us */ |
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| 67 | while (rtems_webserver_running) |
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| 68 | shttpd_poll(ctx, 1000); |
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| 69 | |
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| 70 | /* Unreached, because we will be killed by a signal */ |
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| 71 | shttpd_fini(ctx); |
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| 72 | |
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| 73 | rtems_task_delete( RTEMS_SELF ); |
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| 74 | } |
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| 75 | |
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| 76 | rtems_status_code rtems_initialize_webserver(rtems_task_priority initial_priority, |
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[4847f6b1] | 77 | size_t stack_size, |
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[484cd8d] | 78 | rtems_mode initial_modes, |
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| 79 | rtems_attribute attribute_set, |
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| 80 | rtems_shttpd_init init_callback, |
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| 81 | rtems_shttpd_addpages addpages_callback, |
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| 82 | char *webroot |
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| 83 | ) |
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| 84 | { |
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| 85 | rtems_status_code sc; |
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| 86 | rtems_id tid; |
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| 87 | RTEMS_HTTPD_ARGS *args; |
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| 88 | |
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| 89 | if (stack_size < MIN_SHTTPD_STACK) |
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| 90 | stack_size = MIN_SHTTPD_STACK; |
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| 91 | |
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| 92 | args = malloc(sizeof(RTEMS_HTTPD_ARGS)); |
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| 93 | |
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| 94 | if (args != NULL) |
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| 95 | { |
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| 96 | args->init_callback = init_callback; |
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| 97 | args->addpages_callback = addpages_callback; |
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| 98 | strncpy(args->webroot,webroot,MAX_WEB_BASE_PATH_LENGTH); |
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| 99 | |
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| 100 | sc = rtems_task_create(rtems_build_name('H', 'T', 'P', 'D'), |
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| 101 | initial_priority, |
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| 102 | stack_size, |
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| 103 | initial_modes, |
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| 104 | attribute_set, |
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| 105 | &tid); |
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| 106 | |
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| 107 | if (sc == RTEMS_SUCCESSFUL) |
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| 108 | { |
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| 109 | sc = rtems_task_start(tid, rtems_httpd_daemon, (rtems_task_argument)args); |
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| 110 | } |
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| 111 | } |
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| 112 | else |
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| 113 | { |
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| 114 | sc = RTEMS_NO_MEMORY; |
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| 115 | } |
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| 116 | |
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| 117 | return sc; |
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| 118 | } |
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| 119 | |
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| 120 | void rtems_terminate_webserver(void) |
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| 121 | { |
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| 122 | rtems_webserver_running = FALSE; //not running, so terminate |
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| 123 | } |
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| 124 | |
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| 125 | int rtems_webserver_ok(void) |
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| 126 | { |
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| 127 | return rtems_webserver_running; |
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| 128 | } |
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| 129 | |
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| 130 | void |
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| 131 | set_close_on_exec(int fd) |
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| 132 | { |
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| 133 | // RTEMS Does not have a functional "execve" |
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| 134 | // so technically this call does not do anything, |
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| 135 | // but it doesnt hurt either. |
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| 136 | (void) fcntl(fd, F_SETFD, FD_CLOEXEC); |
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| 137 | } |
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| 138 | |
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| 139 | int |
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| 140 | my_stat(const char *path, struct stat *stp) |
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| 141 | { |
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| 142 | return (stat(path, stp)); |
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| 143 | } |
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| 144 | |
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| 145 | int |
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| 146 | my_open(const char *path, int flags, int mode) |
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| 147 | { |
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| 148 | return (open(path, flags, mode)); |
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| 149 | } |
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| 150 | |
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| 151 | int |
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| 152 | my_remove(const char *path) |
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| 153 | { |
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| 154 | return (remove(path)); |
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| 155 | } |
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| 156 | |
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| 157 | int |
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| 158 | my_rename(const char *path1, const char *path2) |
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| 159 | { |
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| 160 | return (rename(path1, path2)); |
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| 161 | } |
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| 162 | |
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| 163 | int |
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| 164 | my_mkdir(const char *path, int mode) |
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| 165 | { |
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| 166 | return (mkdir(path, mode)); |
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| 167 | } |
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| 168 | |
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| 169 | char * |
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| 170 | my_getcwd(char *buffer, int maxlen) |
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| 171 | { |
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| 172 | return (getcwd(buffer, maxlen)); |
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| 173 | } |
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| 174 | |
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| 175 | int |
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| 176 | set_non_blocking_mode(int fd) |
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| 177 | { |
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| 178 | int ret = -1; |
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| 179 | int flags; |
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| 180 | |
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| 181 | if ((flags = fcntl(fd, F_GETFL, 0)) == -1) { |
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| 182 | DBG(("nonblock: fcntl(F_GETFL): %d", ERRNO)); |
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| 183 | } else if (fcntl(fd, F_SETFL, flags | O_NONBLOCK) != 0) { |
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| 184 | DBG(("nonblock: fcntl(F_SETFL): %d", ERRNO)); |
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| 185 | } else { |
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| 186 | ret = 0; /* Success */ |
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| 187 | } |
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| 188 | |
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| 189 | return (ret); |
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| 190 | } |
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| 191 | |
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| 192 | #if !defined(NO_CGI) |
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| 193 | int |
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| 194 | spawn_process(struct conn *c, const char *prog, char *envblk, char **envp) |
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| 195 | { |
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| 196 | return (-1); // RTEMS does not have subprocess support as standard. |
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| 197 | } |
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| 198 | #endif |
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