From b58788ded53990545a92ddae02464117c4024d0c Mon Sep 17 00:00:00 2001
From: Thomas Basler <thomas@familie-basler.net>
Date: Tue, 12 Apr 2022 23:53:58 +0200
Subject: [PATCH] Added API endpoint which shows network info

---
 include/WebApi.h |  2 ++
 platformio.ini   |  1 +
 src/WebApi.cpp   | 29 +++++++++++++++++++++++++++++
 3 files changed, 32 insertions(+)

diff --git a/include/WebApi.h b/include/WebApi.h
index b7db9593..7f95aeae 100644
--- a/include/WebApi.h
+++ b/include/WebApi.h
@@ -15,6 +15,8 @@ private:
     void onWebsocketEvent(AsyncWebSocket* server, AsyncWebSocketClient* client, AwsEventType type, void* arg, uint8_t* data, size_t len);
 
     void onNotFound(AsyncWebServerRequest* request);
+
+    void onNetworkStatus(AsyncWebServerRequest* request);
 };
 
 extern WebApiClass WebApi;
\ No newline at end of file
diff --git a/platformio.ini b/platformio.ini
index a8ca9130..a4b5e474 100644
--- a/platformio.ini
+++ b/platformio.ini
@@ -24,6 +24,7 @@ build_flags =
 lib_deps =
     https://github.com/lorol/LITTLEFS.git
     https://github.com/me-no-dev/ESPAsyncWebServer.git
+    bblanchon/ArduinoJson @ ^6.19.4
 
 board = esp32dev
 board_build.partitions = partitions_custom.csv
diff --git a/src/WebApi.cpp b/src/WebApi.cpp
index 1a7db66b..0c0b3216 100644
--- a/src/WebApi.cpp
+++ b/src/WebApi.cpp
@@ -1,4 +1,7 @@
 #include "WebApi.h"
+#include "ArduinoJson.h"
+#include "AsyncJson.h"
+#include "WiFiSettings.h"
 #include "defaults.h"
 #include <LittleFS.h>
 
@@ -18,6 +21,8 @@ void WebApiClass::init()
 
     _ws.onEvent(std::bind(&WebApiClass::onWebsocketEvent, this, _1, _2, _3, _4, _5, _6));
 
+    _server.on("/api/network/status", HTTP_GET, std::bind(&WebApiClass::onNetworkStatus, this, _1));
+
     _server.serveStatic("/", LITTLEFS, "/", "max-age=86400").setDefaultFile("index.html");
     _server.onNotFound(std::bind(&WebApiClass::onNotFound, this, _1));
     _server.begin();
@@ -42,4 +47,28 @@ void WebApiClass::onWebsocketEvent(AsyncWebSocket* server, AsyncWebSocketClient*
     }
 }
 
+void WebApiClass::onNetworkStatus(AsyncWebServerRequest* request)
+{
+    AsyncJsonResponse* response = new AsyncJsonResponse();
+    JsonObject root = response->getRoot();
+
+    root[F("sta_status")] = ((WiFi.getMode() & WIFI_STA) != 0);
+    root[F("sta_ssid")] = WiFi.SSID();
+    root[F("sta_ip")] = WiFi.localIP().toString();
+    root[F("sta_netmask")] = WiFi.subnetMask().toString();
+    root[F("sta_gateway")] = WiFi.gatewayIP().toString();
+    root[F("sta_dns1")] = WiFi.dnsIP(0).toString();
+    root[F("sta_dns2")] = WiFi.dnsIP(1).toString();
+    root[F("sta_mac")] = WiFi.macAddress();
+    root[F("sta_rssi")] = WiFi.RSSI();
+    root[F("ap_status")] = ((WiFi.getMode() & WIFI_AP) != 0);
+    root[F("ap_ssid")] = WiFiSettings.getApName();
+    root[F("ap_ip")] = WiFi.softAPIP().toString();
+    root[F("ap_mac")] = WiFi.softAPmacAddress();
+    root[F("ap_stationnum")] = WiFi.softAPgetStationNum();
+
+    response->setLength();
+    request->send(response);
+}
+
 WebApiClass WebApi;
\ No newline at end of file