Add sample

2025-10-01 00:30:54 +02:00 · 2024-11-20 20:25:44 +01:00
parent 33611e8c0a
commit ac2fb65cb5
2 changed files with 78 additions and 1 deletions
--- a/examples/Issue162/Issue162.ino
+++ b/examples/Issue162/Issue162.ino
@@ -0,0 +1,76 @@
+/**
+ *
+ * Connect to AP and run in bash:
+ *
+ * > while true; do echo "PING"; sleep 0.1; done | websocat ws://192.168.4.1/ws
+ *
+ */
+#include <Arduino.h>
+#ifdef ESP8266
+  #include <ESP8266WiFi.h>
+#endif
+#ifdef ESP32
+  #include <WiFi.h>
+#endif
+#include <ESPAsyncWebServer.h>
+
+#include <list>
+AsyncWebServer server(80);
+AsyncWebSocket ws("/ws");
+
+void onWsEvent(AsyncWebSocket* server, AsyncWebSocketClient* client, AwsEventType type, void* arg, uint8_t* data, size_t len) {
+  if (type == WS_EVT_CONNECT) {
+    Serial.printf("Client #%" PRIu32 " connected.\n", client->id());
+  } else if (type == WS_EVT_DISCONNECT) {
+    Serial.printf("Client #%" PRIu32 " disconnected.\n", client->id());
+  }
+}
+
+void setup() {
+  Serial.begin(115200);
+
+  WiFi.mode(WIFI_AP);
+  WiFi.softAP("esp-captive");
+
+  ws.onEvent(onWsEvent);
+  server.addHandler(&ws);
+
+  server.on("/close_all_ws_clients", HTTP_GET | HTTP_POST, [](AsyncWebServerRequest* request) {
+    Serial.println("Closing all WebSocket clients...");
+    ws.closeAll();
+    request->send(200, "application/json", "{\"status\":\"all clients closed\"}");
+  });
+
+  server.on("/", HTTP_GET, [](AsyncWebServerRequest* request) {
+    request->send(200, "text/html", R"rawliteral(
+    <!DOCTYPE html>
+        <html>
+        <head></head>
+        <script> 
+            let ws = new WebSocket("ws://" + window.location.host + "/ws");
+                    
+            document.addEventListener("DOMContentLoaded", function () {
+                ws.onopen = function () {
+                    console.log("WebSocket connected");
+                    };
+                });
+                        
+            function closeAllWsClients() {
+              fetch("/close_all_ws_clients", {
+                  method : "POST",
+              });
+            };
+        </script>
+        <body>
+            <button onclick = "closeAllWsClients()" style = "width: 200px"> ws close all</button><p></p>  
+          </body>
+        </html>
+  )rawliteral");
+  });
+
+  server.begin();
+}
+
+void loop() {
+  vTaskDelete(NULL);
+}
--- a/platformio.ini
+++ b/platformio.ini
@@ -1,11 +1,12 @@
 [platformio]
 default_envs = arduino-2, arduino-3, arduino-310, esp8266, raspberrypi
 lib_dir = .
-src_dir = examples/CaptivePortal
+; src_dir = examples/CaptivePortal
 ; src_dir = examples/SimpleServer
 ; src_dir = examples/StreamFiles
 ; src_dir = examples/Filters
 ; src_dir = examples/Issue85
+src_dir = examples/Issue162

 [env]
 framework = arduino