Aktualizace na verzi 3.3.23

examples/Issue85/Issue85.ino

@@ -0,0 +1,127 @@
+/**
+ *
+ * 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>
+
+size_t msgCount = 0;
+size_t window = 100;
+std::list<uint32_t> times;
+
+void connect_wifi() {
+  WiFi.mode(WIFI_AP);
+  WiFi.softAP("esp-captive");
+
+  // Serial.print("Connecting");
+  // while (WiFi.status() != WL_CONNECTED) {
+  //   delay(500);
+  //   Serial.print(".");
+  // }
+  // Serial.println();
+
+  // Serial.print("Connected, IP address: ");
+  // Serial.println(WiFi.localIP());
+}
+
+void notFound(AsyncWebServerRequest* request) {
+  request->send(404, "text/plain", "Not found");
+}
+
+AsyncWebServer server(80);
+AsyncWebSocket ws("/ws");
+
+// initial stack
+char* stack_start;
+
+void printStackSize() {
+  char stack;
+  Serial.print(F("stack size "));
+  Serial.print(stack_start - &stack);
+  Serial.print(F(" | Heap free:"));
+  Serial.print(ESP.getFreeHeap());
+#ifdef ESP8266
+  Serial.print(F(" frag:"));
+  Serial.print(ESP.getHeapFragmentation());
+  Serial.print(F(" maxFreeBlock:"));
+  Serial.print(ESP.getMaxFreeBlockSize());
+#endif
+  Serial.println();
+}
+
+void onWsEventEmpty(AsyncWebSocket* server, AsyncWebSocketClient* client, AwsEventType type, void* arg, uint8_t* data, size_t len) {
+  msgCount++;
+  Serial.printf("count: %d\n", msgCount);
+
+  times.push_back(millis());
+  while (times.size() > window)
+    times.pop_front();
+  if (times.size() == window)
+    Serial.printf("%f req/s\n", 1000.0 * window / (times.back() - times.front()));
+
+  printStackSize();
+
+  client->text("PONG");
+}
+
+void serve_upload(AsyncWebServerRequest* request, const String& filename, size_t index, uint8_t* data, size_t len, bool final) {
+  Serial.print("> onUpload ");
+  Serial.print("index: ");
+  Serial.print(index);
+  Serial.print(" len:");
+  Serial.print(len);
+  Serial.print(" final:");
+  Serial.print(final);
+  Serial.println();
+}
+
+void setup() {
+  char stack;
+  stack_start = &stack;
+
+  Serial.begin(115200);
+  Serial.println("\n\n\nStart");
+  Serial.printf("stack_start: %p\n", stack_start);
+
+  connect_wifi();
+
+  server.onNotFound(notFound);
+
+  ws.onEvent(onWsEventEmpty);
+  server.addHandler(&ws);
+
+  server.on("/upload", HTTP_POST, [](AsyncWebServerRequest* request) { request->send(200); }, serve_upload);
+
+  server.begin();
+  Serial.println("Server started");
+}
+
+String msg = "";
+uint32_t count = 0;
+void loop() {
+  // ws.cleanupClients();
+  // count += 1;
+  // // Concatenate some string, and clear it after some time
+  // static unsigned long millis_string = millis();
+  // if (millis() - millis_string > 1) {
+  //   millis_string += 100;
+  //   if (count % 100 == 0) {
+  //     // printStackSize();
+  //     // Serial.print(msg);
+  //     msg = String();
+  //   } else {
+  //     msg += 'T';
+  //   }
+  // }
+}