Merge pull request #1674 from cesanta/webui-preact

back to symbolic link

examples/webui-preact/main.c

@@ -1,63 +0,0 @@
-// Copyright (c) 2022 Cesanta Software Limited
-// All rights reserved
-//
-// UI example
-// It implements the following endpoints:
-//    /api/config/get - respond with current config
-//    /api/config/set - POST a config change
-//    any other URI serves static files from s_root_dir
-// Data and results are JSON strings
-
-#include "mongoose.h"
-
-static const char *s_http_addr = "http://localhost:8000";  // HTTP port
-static const char *s_root_dir = "web_root";
-#define MQTT_SERVER "mqtt://broker.hivemq.com:1883"
-#define MQTT_PUBLISH_TOPIC "mg/my_device"
-#define MQTT_SUBSCRIBE_TOPIC "mg/#"
-
-static struct config { char *url, *pub, *sub; } s_config;
-
-// Try to update a single configuration value
-static void update_config(struct mg_str json, const char *path, char **value) {
-  char *jval;
-  if ((jval = mg_json_get_str(json, path)) != NULL) {
-    free(*value);
-    *value = strdup(jval);
-  }
-}
-
-static void fn(struct mg_connection *c, int ev, void *ev_data, void *fn_data) {
-  if (ev == MG_EV_OPEN && c->is_listening) {
-    s_config.url = strdup(MQTT_SERVER);
-    s_config.pub = strdup(MQTT_PUBLISH_TOPIC);
-    s_config.sub = strdup(MQTT_SUBSCRIBE_TOPIC);
-  } else if (ev == MG_EV_HTTP_MSG) {
-    struct mg_http_message *hm = (struct mg_http_message *) ev_data;
-    if (mg_http_match_uri(hm, "/api/config/get")) {
-      mg_http_reply(c, 200, "Content-Type: application/json\r\n",
-                    "{%Q:%Q,%Q:%Q,%Q:%Q}\n", "url", s_config.url, "pub",
-                    s_config.pub, "sub", s_config.sub);
-    } else if (mg_http_match_uri(hm, "/api/config/set")) {
-      struct mg_str json = hm->body;
-      update_config(json, "$.url", &s_config.url);
-      update_config(json, "$.pub", &s_config.pub);
-      update_config(json, "$.sub", &s_config.sub);
-      mg_http_reply(c, 200, "", "ok\n");
-    } else {
-      struct mg_http_serve_opts opts = {.root_dir = s_root_dir};
-      mg_http_serve_dir(c, ev_data, &opts);
-    }
-  }
-  (void) fn_data;
-}
-
-int main(void) {
-  struct mg_mgr mgr;                            // Event manager
-  mg_log_set(MG_LL_INFO);                       // Set to 3 to enable debug
-  mg_mgr_init(&mgr);                            // Initialise event manager
-  mg_http_listen(&mgr, s_http_addr, fn, NULL);  // Create HTTP listener
-  for (;;) mg_mgr_poll(&mgr, 1000);             // Infinite event loop
-  mg_mgr_free(&mgr);
-  return 0;
-}

examples/webui-preact/main.c

@@ -0,0 +1 @@
+../webui-plain/main.c