abort events, polling instead

fan_control/data/index.html

@@ -15,6 +15,8 @@
   <div class="ct-chart chart1"></div>
   <h1> Monthly </h1>
   <div class="ct-chart chart2"></div>
+  <h1> Log </h1>
+  <div id="log"></div>
   <script >
     var chart;
     function load_chart( url , clazz ){
@@ -34,27 +36,22 @@
       load_chart("/weekly" , ".chart1");
       load_chart("/monthly" , ".chart2");
     }
-    if (!!window.EventSource) {
-      var source = new EventSource('/events');
+    var log = document.getElementById("log")
 
-      source.addEventListener('open', function(e) {
-        console.log("Events Connected");
-      }, false);
-
-      source.addEventListener('error', function(e) {
-        if (e.target.readyState != EventSource.OPEN) {
-          console.log("Events Disconnected");
+    function myCallback() {
+      function get_log( ){
+        var xhttp = new XMLHttpRequest();
+        xhttp.onreadystatechange = function() {
+          if (this.readyState == 4 && this.status == 200) {
+            console.log(this.responseText);
+            log.innerHTML += this.responseText;
+          }
         }
-      }, false);
-
-      source.addEventListener('message', function(e) {
-        console.log("message", e.data);
-      }, false);
-
-      source.addEventListener('myevent', function(e) {
-        console.log("myevent", e.data);
-      }, false);
+        xhttp.open("GET", "/log", true);
+        xhttp.send();
+      };
     }
+    var intervalID = window.setInterval(get_log, 1500);
   </script>
   <script  onload="load_charts();" src="/chartist.min.js.gz"> </script>
 

fan_control/include/serial.hpp

@@ -1,27 +1,24 @@
 #include <Arduino.h>
 #include <queue>
 
-void serial_setup();
-void serial_loop();
-
 class WsSerial{
     std::queue<String> debug;
 
     public:
-    void print(const String& );
-    void println(const String& );
+    inline void print(const String& line){   debug.push(line); }
+    inline void println(const String& line){   debug.push(line); }
     inline void println(const float num){ println(String(num)) ; };
 
     inline const String& pop(){ const String& first = debug.front(); debug.pop(); return first;};
     inline bool empty(){ return debug.empty();};
 };
 
+static WsSerial debug_out;
 
 #if(false)
 #define DEBUG_OUT Serial
 #define DEBUG_SERIAL true
 #else
 #define DEBUG_SERIAL false
-static WsSerial debug_out;
 #define DEBUG_OUT debug_out
 #endif

fan_control/platformio.ini

@@ -23,5 +23,5 @@ lib_deps =
 monitor_speed = 115200
 upload_speed = 115200
 
-upload_port = 192.168.4.1
-upload_protocol = espota
+;upload_port = 192.168.4.1
+;upload_protocol = espota

fan_control/src/main.cpp

@@ -10,9 +10,8 @@ const char* ssid = "fan_XXX";
 
 void setup() {
   Serial.begin(115200);
-  server_setup();
-  serial_setup();
   ota_setup(ssid);
+  server_setup();
   collector_setup();
   DEBUG_OUT.println(F("Setup done"));
   DEBUG_OUT.print("IP address: ");
@@ -22,6 +21,5 @@ void setup() {
 void loop() {
   ArduinoOTA.handle();
 	server_loop();
-	serial_loop();
-  collector_loop();
+	collector_loop();
 }

fan_control/src/serial.cpp

@@ -1,31 +0,0 @@
-#include "serial.hpp"
-#include "server.hpp"
-
-void WsSerial::print(const String& line){
-  debug.push(line);
-}
-void WsSerial::println(const String& line){
-  debug.push(line);
-}
-
-void serial_setup(){
-  events.onConnect([](AsyncEventSourceClient *client){
-    if(client->lastId()){
-      Serial.printf("Client reconnected! Last message ID that it gat is: %u\n", client->lastId());
-    }
-    //send event with message "hello!", id current millis
-    // and set reconnect delay to 1 second
-    client->send("hello!",NULL,millis(),1000);
-  });
-}
-
-void serial_loop(){
-#if DEBUG_SERIAL
-  return;
-#else
-  if(debug_out.empty()) return ;
-  const String & line = debug_out.pop();
-  Serial.println(line.c_str());
-  events.send(line.c_str() , "message");
-#endif
-}

fan_control/src/server.cpp

@@ -37,6 +37,7 @@ void server_setup(){
 
       if(week_counter == 2*WEEK){ // sent all data (ret 0), reset counter 
         week_counter = 0;
+        DEBUG_OUT.println("weekly end");
         return 0;
       }
       String to_send = "";
@@ -51,7 +52,6 @@ void server_setup(){
       return to_send.length();
     });
     request->send(response);
-    DEBUG_OUT.println("weekly end");
   });
 
   server.on("/monthly", HTTP_ANY, [](AsyncWebServerRequest * request) {
@@ -61,6 +61,7 @@ void server_setup(){
 
       if(month_counter == 2*MONTH){ // sent all data (ret 0), reset counter 
         month_counter = 0;
+        DEBUG_OUT.println("monthly done");
         return 0;
       }
       String to_send = "";
@@ -76,8 +77,18 @@ void server_setup(){
       return to_send.length();
     });
     request->send(response);
-    DEBUG_OUT.println("monthly done");
+  });
 
+  server.on("/log", HTTP_ANY, [](AsyncWebServerRequest * request) {
+    DEBUG_OUT.println("log start");
+    AsyncWebServerResponse *response = request->beginChunkedResponse("text/html", [](uint8_t *buffer, size_t maxLen, size_t index) -> size_t {
+      if(debug_out.empty()) return 0;
+      String to_send = debug_out.pop();
+      to_send += "<br/>";
+      to_send.getBytes(buffer, maxLen); 
+      return to_send.length();
+    });
+    request->send(response);
   });
 
   server.on("/", HTTP_GET, [](AsyncWebServerRequest *request){