review.tizen.org Git - platform/upstream/libwebsockets.git/blob

   1 /*
   2  * lws-minimal-http-server-eventlib
   3  *
   4  * Written in 2010-2019 by Andy Green <andy@warmcat.com>
   5  *
   6  * This file is made available under the Creative Commons CC0 1.0
   7  * Universal Public Domain Dedication.
   8  *
   9  * This demonstrates a minimal http[s] server that can work with any of the
  10  * supported event loop backends, or the default poll() one.
  11  *
  12  * To keep it simple, it serves stuff from the subdirectory
  13  * "./mount-origin" of the directory it was started in.
  14  * You can change that by changing mount.origin below.
  15  */
  16
  17 #include <libwebsockets.h>
  18 #include <string.h>
  19 #include <signal.h>
  20
  21 #define LWS_PLUGIN_STATIC
  22 #include "../../../plugins/protocol_lws_mirror.c"
  23 #include "../../../plugins/protocol_lws_status.c"
  24 #include "../../../plugins/protocol_dumb_increment.c"
  25 #include "../../../plugins/protocol_post_demo.c"
  26
  27 static struct lws_context *context;
  28
  29 static struct lws_protocols protocols[] = {
  30         /* first protocol must always be HTTP handler */
  31
  32         { "http-only", lws_callback_http_dummy, 0, 0, },
  33         LWS_PLUGIN_PROTOCOL_DUMB_INCREMENT,
  34         LWS_PLUGIN_PROTOCOL_MIRROR,
  35         LWS_PLUGIN_PROTOCOL_LWS_STATUS,
  36         LWS_PLUGIN_PROTOCOL_POST_DEMO,
  37         { NULL, NULL, 0, 0 } /* terminator */
  38 };
  39
  40 /*
  41  * mount handlers for sections of the URL space
  42  */
  43
  44 static const struct lws_http_mount mount_ziptest = {
  45         NULL,                   /* linked-list pointer to next*/
  46         "/ziptest",             /* mountpoint in URL namespace on this vhost */
  47         "candide.zip",  /* handler */
  48         NULL,   /* default filename if none given */
  49         NULL,
  50         NULL,
  51         NULL,
  52         NULL,
  53         0,
  54         0,
  55         0,
  56         0,
  57         0,
  58         0,
  59         LWSMPRO_FILE,   /* origin points to a callback */
  60         8,                      /* strlen("/ziptest"), ie length of the mountpoint */
  61         NULL,
  62
  63         { NULL, NULL } // sentinel
  64 };
  65
  66 static const struct lws_http_mount mount_post = {
  67         (struct lws_http_mount *)&mount_ziptest, /* linked-list pointer to next*/
  68         "/formtest",            /* mountpoint in URL namespace on this vhost */
  69         "protocol-post-demo",   /* handler */
  70         NULL,   /* default filename if none given */
  71         NULL,
  72         NULL,
  73         NULL,
  74         NULL,
  75         0,
  76         0,
  77         0,
  78         0,
  79         0,
  80         0,
  81         LWSMPRO_CALLBACK,       /* origin points to a callback */
  82         9,                      /* strlen("/formtest"), ie length of the mountpoint */
  83         NULL,
  84
  85         { NULL, NULL } // sentinel
  86 };
  87
  88
  89 static const struct lws_http_mount mount = {
  90         /* .mount_next */               &mount_post,    /* linked-list "next" */
  91         /* .mountpoint */               "/",            /* mountpoint URL */
  92         /* .origin */                   "./mount-origin", /* serve from dir */
  93         /* .def */                      "test.html",    /* default filename */
  94         /* .protocol */                 NULL,
  95         /* .cgienv */                   NULL,
  96         /* .extra_mimetypes */          NULL,
  97         /* .interpret */                NULL,
  98         /* .cgi_timeout */              0,
  99         /* .cache_max_age */            0,
 100         /* .auth_mask */                0,
 101         /* .cache_reusable */           0,
 102         /* .cache_revalidate */         0,
 103         /* .cache_intermediaries */     0,
 104         /* .origin_protocol */          LWSMPRO_FILE,   /* files in a dir */
 105         /* .mountpoint_len */           1,              /* char count */
 106         /* .basic_auth_login_file */    NULL,
 107 };
 108
 109 void signal_cb(void *handle, int signum)
 110 {
 111         lwsl_err("%s: signal %d\n", __func__, signum);
 112
 113         switch (signum) {
 114         case SIGTERM:
 115         case SIGINT:
 116                 break;
 117         default:
 118
 119                 break;
 120         }
 121         lws_context_destroy(context);
 122 }
 123
 124 void sigint_handler(int sig)
 125 {
 126         signal_cb(NULL, sig);
 127 }
 128
 129 int main(int argc, const char **argv)
 130 {
 131         struct lws_context_creation_info info;
 132         const char *p;
 133         int logs = LLL_USER | LLL_ERR | LLL_WARN | LLL_NOTICE
 134                         /* for LLL_ verbosity above NOTICE to be built into lws,
 135                          * lws must have been configured and built with
 136                          * -DCMAKE_BUILD_TYPE=DEBUG instead of =RELEASE */
 137                         /* | LLL_INFO */ /* | LLL_PARSER */ /* | LLL_HEADER */
 138                         /* | LLL_EXT */ /* | LLL_CLIENT */ /* | LLL_LATENCY */
 139                         /* | LLL_DEBUG */;
 140
 141         if ((p = lws_cmdline_option(argc, argv, "-d")))
 142                 logs = atoi(p);
 143
 144         lws_set_log_level(logs, NULL);
 145         lwsl_user("LWS minimal http server eventlib | visit http://localhost:7681\n");
 146         lwsl_user(" [-s (ssl)] [--uv (libuv)] [--ev (libev)] [--event (libevent)]\n");
 147
 148         memset(&info, 0, sizeof info); /* otherwise uninitialized garbage */
 149         info.port = 7681;
 150         info.mounts = &mount;
 151         info.error_document_404 = "/404.html";
 152         info.pcontext = &context;
 153         info.protocols = protocols;
 154         info.signal_cb = signal_cb;
 155         info.options =
 156                 LWS_SERVER_OPTION_HTTP_HEADERS_SECURITY_BEST_PRACTICES_ENFORCE;
 157
 158         if (lws_cmdline_option(argc, argv, "-s")) {
 159                 info.options |= LWS_SERVER_OPTION_DO_SSL_GLOBAL_INIT;
 160                 info.ssl_cert_filepath = "localhost-100y.cert";
 161                 info.ssl_private_key_filepath = "localhost-100y.key";
 162         }
 163
 164         if (lws_cmdline_option(argc, argv, "--uv"))
 165                 info.options |= LWS_SERVER_OPTION_LIBUV;
 166         else
 167                 if (lws_cmdline_option(argc, argv, "--event"))
 168                         info.options |= LWS_SERVER_OPTION_LIBEVENT;
 169                 else
 170                         if (lws_cmdline_option(argc, argv, "--ev"))
 171                                 info.options |= LWS_SERVER_OPTION_LIBEV;
 172                         else
 173                                 signal(SIGINT, sigint_handler);
 174
 175         context = lws_create_context(&info);
 176         if (!context) {
 177                 lwsl_err("lws init failed\n");
 178                 return 1;
 179         }
 180
 181         while (!lws_service(context, 0))
 182                 ;
 183
 184         lwsl_info("calling external context destroy\n");
 185         lws_context_destroy(context);
 186
 187         return 0;
 188 }