add utils to main lib

src/utils/utils_print.cpp

@@ -20,6 +20,6 @@ void PRINT_MSG(Print &out, const char* prefix, const char* format, ...) {
         vsnprintf(ptr, sizeof(formatString)-1-strlen(formatString), formatString, args );
         va_end (args);
         formatString[ sizeof(formatString)-1 ]='\0'; 
-        out.print(ptr);
+        out.println(ptr);
     }
 }

src/utils/utils_web.h

@@ -0,0 +1,132 @@
+#ifndef __WebUtils_H___
+#define __WebUtils_H___
+
+#include <Arduino.h>
+#include <ESPAsyncWebServer.h>
+#include <AsyncWebSocket.h>
+#include <ESPAsyncTCP.h>
+
+class WebUtils {
+    public:
+        static String getRequestParameterOrDefault(AsyncWebServerRequest *request, String param, String defaultValue, bool isPost = true){
+            if(request->hasParam(param, isPost)) {
+                return request->getParam(param, isPost)->value();
+            }
+            return defaultValue;
+        }
+        static String parseFrame(AwsEventType type, void * arg, uint8_t *data, size_t len) {
+            String msg = "";
+            if(type == WS_EVT_DATA){
+                AwsFrameInfo * info = (AwsFrameInfo*)arg;
+                if(info->opcode == WS_TEXT){
+                    for(size_t i=0; i < info->len; i++) {
+                    msg += (char) data[i];
+                    }
+                } else {
+                    char buff[3];
+                    for(size_t i=0; i < info->len; i++) {
+                    sprintf(buff, "%02x ", (uint8_t) data[i]);
+                    msg += buff ;
+                    }
+                }
+                    
+            }
+            return msg;
+        }
+        static String parseFrameAsString(AwsEventType type, void * arg, uint8_t *data, size_t len, int start = 0) {
+            String msg = "";
+            if(type == WS_EVT_DATA){
+                AwsFrameInfo * info = (AwsFrameInfo*)arg;
+                //if(info->final && info->index == 0 && info->len == len){
+                if(info->opcode == WS_TEXT){
+                    for(size_t i=start; i < info->len; i++) {
+                        msg += (char) data[i];
+                    }
+                } else {
+                    char buff[3];
+                    for(size_t i=start; i < info->len; i++) {
+                        sprintf(buff, "%02x ", (uint8_t) data[i]);
+                        msg += buff ;
+                    }
+                }
+                    
+                //}
+            }
+            return msg;
+        }
+        /* static void onWsEvent(AsyncWebSocket * server, AsyncWebSocketClient * client, AwsEventType type, void * arg, uint8_t *data, size_t len) {
+            if(type == WS_EVT_CONNECT){
+                Serial.printf("ws[%s][%u] connect\n", server->url(), client->id());
+                client->printf("Hello Client %u :)", client->id());
+                client->ping();
+            } else if(type == WS_EVT_DISCONNECT){
+                Serial.printf("ws[%s][%u] disconnect: %u\n", server->url(), client->id());
+            } else if(type == WS_EVT_ERROR){
+                Serial.printf("ws[%s][%u] error(%u): %s\n", server->url(), client->id(), *((uint16_t*)arg), (char*)data);
+            } else if(type == WS_EVT_PONG){
+                Serial.printf("ws[%s][%u] pong[%u]: %s\n", server->url(), client->id(), len, (len)?(char*)data:"");
+            } else if(type == WS_EVT_DATA){
+                AwsFrameInfo * info = (AwsFrameInfo*)arg;
+                String msg = "";
+                //the whole message is in a single frame and we got all of it's data
+                if(info->final && info->index == 0 && info->len == len){
+                Serial.printf("ws[%s][%u] %s-message[%llu]: ", server->url(), client->id(), (info->opcode == WS_TEXT)?"text":"binary", info->len);
+
+                if(info->opcode == WS_TEXT){
+                    for(size_t i=0; i < info->len; i++) {
+                    msg += (char) data[i];
+                    }
+                } else {
+                    char buff[3];
+                    for(size_t i=0; i < info->len; i++) {
+                    sprintf(buff, "%02x ", (uint8_t) data[i]);
+                    msg += buff ;
+                    }
+                }
+                Serial.printf("%s\n",msg.c_str());
+
+                if(info->opcode == WS_TEXT)
+                    client->text("I got your text message");
+                else
+                    client->binary("I got your binary message");
+                } 
+                //message is comprised of multiple frames or the frame is split into multiple packets
+                else {
+                if(info->index == 0){
+                    if(info->num == 0)
+                    Serial.printf("ws[%s][%u] %s-message start\n", server->url(), client->id(), (info->message_opcode == WS_TEXT)?"text":"binary");
+                    Serial.printf("ws[%s][%u] frame[%u] start[%llu]\n", server->url(), client->id(), info->num, info->len);
+                }
+
+                Serial.printf("ws[%s][%u] frame[%u] %s[%llu - %llu]: ", server->url(), client->id(), info->num, (info->message_opcode == WS_TEXT)?"text":"binary", info->index, info->index + len);
+
+                if(info->opcode == WS_TEXT){
+                    for(size_t i=0; i < info->len; i++) {
+                    msg += (char) data[i];
+                    }
+                } else {
+                    char buff[3];
+                    for(size_t i=0; i < info->len; i++) {
+                    sprintf(buff, "%02x ", (uint8_t) data[i]);
+                    msg += buff ;
+                    }
+                }
+                Serial.printf("%s\n",msg.c_str());
+
+                if((info->index + len) == info->len){
+                    Serial.printf("ws[%s][%u] frame[%u] end[%llu]\n", server->url(), client->id(), info->num, info->len);
+                    if(info->final){
+                    Serial.printf("ws[%s][%u] %s-message end\n", server->url(), client->id(), (info->message_opcode == WS_TEXT)?"text":"binary");
+                    if(info->message_opcode == WS_TEXT)
+                        client->text("I got your text message");
+                    else
+                        client->binary("I got your binary message");
+                    }
+                }
+                }
+            }
+        } */
+
+};
+
+#endif