запустил общение устройств по udp

src/DeviceList.cpp

@@ -1,10 +1,10 @@
 #include "DeviceList.h"
 
 void addThisDeviceToList() {
-    jsonWriteStr_(devListHeapJson, "devicelist", "");  //метка для парсинга
-    jsonWriteStr_(devListHeapJson, "ip", jsonReadStr(settingsFlashJson, "ip"));
-    jsonWriteStr_(devListHeapJson, "id", jsonReadStr(settingsFlashJson, "id"));
-    jsonWriteStr_(devListHeapJson, "name", jsonReadStr(settingsFlashJson, "name"));
+    jsonWriteStr_(devListHeapJson, F("devicelist"), "");  //метка для парсинга
+    jsonWriteStr_(devListHeapJson, F("ip"), jsonReadStr(settingsFlashJson, F("ip")));
+    jsonWriteStr_(devListHeapJson, F("id"), jsonReadStr(settingsFlashJson, F("id")));
+    jsonWriteStr_(devListHeapJson, F("name"), jsonReadStr(settingsFlashJson, F("name")));
 
     // для проверки
     // devListHeapJson = devListHeapJson + ",";
@@ -16,4 +16,114 @@ void addThisDeviceToList() {
 
     devListHeapJson = "[" + devListHeapJson + "]";
     Serial.println(devListHeapJson);
-}
+}
+
+#ifdef UDP_ENABLED
+AsyncUDP asyncUdp;
+
+void asyncUdpInit() {
+    if (asyncUdp.listenMulticast(IPAddress(239, 255, 255, 255), 4210)) {
+        asyncUdp.onPacket([](AsyncUDPPacket packet) {
+            // Serial.print("UDP Packet Type: ");
+            // Serial.println(packet.isBroadcast() ? "Broadcast" : packet.isMulticast() ? "Multicast" : "Unicast");
+            // Serial.print("From: ");
+            // Serial.print(packet.remoteIP());
+            // Serial.print(":");
+            // Serial.println(packet.remotePort());
+            // Serial.print("To: ");
+            // Serial.print(packet.localIP());
+            // Serial.print(":");
+            // Serial.println(packet.localPort());
+            // Serial.print(", Length: ");
+            // Serial.print(packet.length());
+            // Serial.print(", Data: ");
+            // Serial.write(packet.data(), packet.length());
+
+            String data = uint8tToString(packet.data(), packet.length());
+            SerialPrint("i", F("UDP"), "Udp packet received, IP: " + packet.remoteIP().toString() + ":" + String(packet.remotePort()));
+            Serial.println(data);
+
+            if (udpPacketValidation(data)) {
+                SerialPrint("i", F("UDP"), F("Device presentation received"));
+                jsonMergeArrays(devListHeapJson, data);
+                Serial.println(devListHeapJson);
+            } else {
+                SerialPrint("E", F("UDP"), F("Udp packet invalid"));
+            }
+
+            // reply to the client
+            // String ip = WiFi.localIP().toString();
+            // asyncUdp.broadcastTo(ip.c_str(), packet.remotePort());
+            // packet.printf(ip.c_str(), packet.length());
+        });
+    }
+
+    //будем отправлять каждые 10 секунд презентацию данного устройства
+    ts.add(
+        UDP, 10000, [&](void*) {
+            SerialPrint("i", F("UDP"), F("Broadcast device presentation"));
+            asyncUdp.broadcastTo(devListHeapJson.c_str(), 4210);
+            // asyncUdp.broadcast("test");
+            // asyncUdp.print("Hello Server!");
+        },
+        nullptr, true);
+
+    SerialPrint("I", F("UDP"), F("Udp Init"));
+}
+
+bool udpPacketValidation(String& data) {
+    if (data.indexOf("devicelist") != -1) {
+        return true;
+    } else {
+        return false;
+    }
+}
+
+void jsonMergeArrays(String& arr1, String& arr2) {
+    DynamicJsonDocument doc(1024);
+    DeserializationError error = deserializeJson(doc, arr1);
+    if (error) {
+        SerialPrint("E", F("UDP"), error.f_str());
+    }
+    JsonArray jarr = doc.as<JsonArray>();
+    arr2.replace("[", "");
+    arr2.replace("]", "");
+    String incIP = jsonReadStr(arr2, "ip");
+
+    Serial.println("incIP " + incIP);
+    bool ipExistInList = false;
+    for (JsonVariant value : jarr) {
+        String locIP = value["ip"].as<String>();
+        Serial.println("locIP " + locIP);
+        if (locIP == incIP) {
+            ipExistInList = true;
+            break;
+        } else {
+            ipExistInList = false;
+        }
+    }
+    if (!ipExistInList) {
+        arr1.replace("]", "");
+        arr1 = arr1 + "," + arr2 + "]";
+    }
+}
+
+// void udpPacketParse(String& data) {
+//     if (data.indexOf("scen:") != -1) {
+//         data = deleteBeforeDelimiter(data, ":");
+//         writeFile(String(DEVICE_SCENARIO_FILE), data);
+//         loadScenario();
+//     } else if (data.indexOf("event:") != -1) {
+//         data = deleteBeforeDelimiter(data, ":");
+//         eventBuf += data;
+//     }
+// }
+
+String uint8tToString(uint8_t* data, size_t len) {
+    String ret;
+    while (len--) {
+        ret += (char)*data++;
+    }
+    return ret;
+}
+#endif