Lorolem upravena verze - LittleFS, FSBrowser pro offline, pouziti PROGMEM.
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486
src/ESPAsyncWebServer.h
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486
src/ESPAsyncWebServer.h
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/*
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Asynchronous WebServer library for Espressif MCUs
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Copyright (c) 2016 Hristo Gochkov. All rights reserved.
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This file is part of the esp8266 core for Arduino environment.
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This library is free software; you can redistribute it and/or
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modify it under the terms of the GNU Lesser General Public
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License as published by the Free Software Foundation; either
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version 2.1 of the License, or (at your option) any later version.
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This library is distributed in the hope that it will be useful,
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but WITHOUT ANY WARRANTY; without even the implied warranty of
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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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Lesser General Public License for more details.
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You should have received a copy of the GNU Lesser General Public
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License along with this library; if not, write to the Free Software
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Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA
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*/
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#ifndef _ESPAsyncWebServer_H_
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#define _ESPAsyncWebServer_H_
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#include "Arduino.h"
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#include <functional>
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#include "FS.h"
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#include "StringArray.h"
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#ifdef ESP32
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#include <WiFi.h>
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#include <AsyncTCP.h>
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#elif defined(ESP8266)
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#include <ESP8266WiFi.h>
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#include <ESPAsyncTCP.h>
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#else
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#error Platform not supported
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#endif
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#ifdef ASYNCWEBSERVER_REGEX
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#define ASYNCWEBSERVER_REGEX_ATTRIBUTE
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#else
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#define ASYNCWEBSERVER_REGEX_ATTRIBUTE __attribute__((warning("ASYNCWEBSERVER_REGEX not defined")))
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#endif
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#define DEBUGF(...) //Serial.printf(__VA_ARGS__)
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class AsyncWebServer;
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class AsyncWebServerRequest;
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class AsyncWebServerResponse;
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class AsyncWebHeader;
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class AsyncWebParameter;
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class AsyncWebRewrite;
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class AsyncWebHandler;
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class AsyncStaticWebHandler;
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class AsyncCallbackWebHandler;
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class AsyncResponseStream;
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#ifndef WEBSERVER_H
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typedef enum {
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HTTP_GET = 0b00000001,
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HTTP_POST = 0b00000010,
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HTTP_DELETE = 0b00000100,
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HTTP_PUT = 0b00001000,
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HTTP_PATCH = 0b00010000,
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HTTP_HEAD = 0b00100000,
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HTTP_OPTIONS = 0b01000000,
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HTTP_ANY = 0b01111111,
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} WebRequestMethod;
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#endif
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#ifndef HAVE_FS_FILE_OPEN_MODE
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namespace fs {
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class FileOpenMode {
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public:
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static const char *read;
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static const char *write;
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static const char *append;
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};
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};
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#else
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#include "FileOpenMode.h"
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#endif
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//if this value is returned when asked for data, packet will not be sent and you will be asked for data again
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#define RESPONSE_TRY_AGAIN 0xFFFFFFFF
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typedef uint8_t WebRequestMethodComposite;
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typedef std::function<void(void)> ArDisconnectHandler;
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/*
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* PARAMETER :: Chainable object to hold GET/POST and FILE parameters
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* */
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class AsyncWebParameter {
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private:
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String _name;
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String _value;
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size_t _size;
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bool _isForm;
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bool _isFile;
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public:
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AsyncWebParameter(const String& name, const String& value, bool form=false, bool file=false, size_t size=0): _name(name), _value(value), _size(size), _isForm(form), _isFile(file){}
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const String& name() const { return _name; }
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const String& value() const { return _value; }
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size_t size() const { return _size; }
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bool isPost() const { return _isForm; }
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bool isFile() const { return _isFile; }
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};
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/*
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* HEADER :: Chainable object to hold the headers
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* */
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class AsyncWebHeader {
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private:
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String _name;
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String _value;
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public:
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AsyncWebHeader(const String& name, const String& value): _name(name), _value(value){}
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AsyncWebHeader(const String& data): _name(), _value(){
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if(!data) return;
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int index = data.indexOf(':');
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if (index < 0) return;
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_name = data.substring(0, index);
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_value = data.substring(index + 2);
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}
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~AsyncWebHeader(){}
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const String& name() const { return _name; }
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const String& value() const { return _value; }
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String toString() const { return String(_name + F(": ") + _value + F("\r\n")); }
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};
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/*
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* REQUEST :: Each incoming Client is wrapped inside a Request and both live together until disconnect
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* */
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typedef enum { RCT_NOT_USED = -1, RCT_DEFAULT = 0, RCT_HTTP, RCT_WS, RCT_EVENT, RCT_MAX } RequestedConnectionType;
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typedef std::function<size_t(uint8_t*, size_t, size_t)> AwsResponseFiller;
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typedef std::function<String(const String&)> AwsTemplateProcessor;
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class AsyncWebServerRequest {
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using File = fs::File;
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using FS = fs::FS;
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friend class AsyncWebServer;
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friend class AsyncCallbackWebHandler;
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private:
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AsyncClient* _client;
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AsyncWebServer* _server;
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AsyncWebHandler* _handler;
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AsyncWebServerResponse* _response;
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StringArray _interestingHeaders;
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ArDisconnectHandler _onDisconnectfn;
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String _temp;
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uint8_t _parseState;
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uint8_t _version;
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WebRequestMethodComposite _method;
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String _url;
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String _host;
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String _contentType;
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String _boundary;
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String _authorization;
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RequestedConnectionType _reqconntype;
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void _removeNotInterestingHeaders();
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bool _isDigest;
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bool _isMultipart;
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bool _isPlainPost;
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bool _expectingContinue;
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size_t _contentLength;
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size_t _parsedLength;
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LinkedList<AsyncWebHeader *> _headers;
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LinkedList<AsyncWebParameter *> _params;
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LinkedList<String *> _pathParams;
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uint8_t _multiParseState;
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uint8_t _boundaryPosition;
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size_t _itemStartIndex;
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size_t _itemSize;
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String _itemName;
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String _itemFilename;
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String _itemType;
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String _itemValue;
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uint8_t *_itemBuffer;
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size_t _itemBufferIndex;
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bool _itemIsFile;
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void _onPoll();
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void _onAck(size_t len, uint32_t time);
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void _onError(int8_t error);
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void _onTimeout(uint32_t time);
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void _onDisconnect();
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void _onData(void *buf, size_t len);
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void _addParam(AsyncWebParameter*);
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void _addPathParam(const char *param);
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bool _parseReqHead();
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bool _parseReqHeader();
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void _parseLine();
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void _parsePlainPostChar(uint8_t data);
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void _parseMultipartPostByte(uint8_t data, bool last);
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void _addGetParams(const String& params);
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void _handleUploadStart();
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void _handleUploadByte(uint8_t data, bool last);
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void _handleUploadEnd();
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public:
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File _tempFile;
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void *_tempObject;
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AsyncWebServerRequest(AsyncWebServer*, AsyncClient*);
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~AsyncWebServerRequest();
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AsyncClient* client(){ return _client; }
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uint8_t version() const { return _version; }
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WebRequestMethodComposite method() const { return _method; }
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const String& url() const { return _url; }
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const String& host() const { return _host; }
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const String& contentType() const { return _contentType; }
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size_t contentLength() const { return _contentLength; }
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bool multipart() const { return _isMultipart; }
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const __FlashStringHelper *methodToString() const;
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const __FlashStringHelper *requestedConnTypeToString() const;
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RequestedConnectionType requestedConnType() const { return _reqconntype; }
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bool isExpectedRequestedConnType(RequestedConnectionType erct1, RequestedConnectionType erct2 = RCT_NOT_USED, RequestedConnectionType erct3 = RCT_NOT_USED);
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void onDisconnect (ArDisconnectHandler fn);
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//hash is the string representation of:
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// base64(user:pass) for basic or
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// user:realm:md5(user:realm:pass) for digest
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bool authenticate(const char * hash);
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bool authenticate(const char * username, const char * password, const char * realm = NULL, bool passwordIsHash = false);
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void requestAuthentication(const char * realm = NULL, bool isDigest = true);
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void setHandler(AsyncWebHandler *handler){ _handler = handler; }
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void addInterestingHeader(const String& name);
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void redirect(const String& url);
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void send(AsyncWebServerResponse *response);
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void send(int code, const String& contentType=String(), const String& content=String());
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void send(FS &fs, const String& path, const String& contentType=String(), bool download=false, AwsTemplateProcessor callback=nullptr);
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void send(File content, const String& path, const String& contentType=String(), bool download=false, AwsTemplateProcessor callback=nullptr);
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void send(Stream &stream, const String& contentType, size_t len, AwsTemplateProcessor callback=nullptr);
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void send(const String& contentType, size_t len, AwsResponseFiller callback, AwsTemplateProcessor templateCallback=nullptr);
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void sendChunked(const String& contentType, AwsResponseFiller callback, AwsTemplateProcessor templateCallback=nullptr);
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void send_P(int code, const String& contentType, const uint8_t * content, size_t len, AwsTemplateProcessor callback=nullptr);
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void send_P(int code, const String& contentType, PGM_P content, AwsTemplateProcessor callback=nullptr);
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AsyncWebServerResponse *beginResponse(int code, const String& contentType=String(), const String& content=String());
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AsyncWebServerResponse *beginResponse(FS &fs, const String& path, const String& contentType=String(), bool download=false, AwsTemplateProcessor callback=nullptr);
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AsyncWebServerResponse *beginResponse(File content, const String& path, const String& contentType=String(), bool download=false, AwsTemplateProcessor callback=nullptr);
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AsyncWebServerResponse *beginResponse(Stream &stream, const String& contentType, size_t len, AwsTemplateProcessor callback=nullptr);
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AsyncWebServerResponse *beginResponse(const String& contentType, size_t len, AwsResponseFiller callback, AwsTemplateProcessor templateCallback=nullptr);
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AsyncWebServerResponse *beginChunkedResponse(const String& contentType, AwsResponseFiller callback, AwsTemplateProcessor templateCallback=nullptr);
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AsyncResponseStream *beginResponseStream(const String& contentType, size_t bufferSize=1460);
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AsyncWebServerResponse *beginResponse_P(int code, const String& contentType, const uint8_t * content, size_t len, AwsTemplateProcessor callback=nullptr);
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AsyncWebServerResponse *beginResponse_P(int code, const String& contentType, PGM_P content, AwsTemplateProcessor callback=nullptr);
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size_t headers() const; // get header count
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bool hasHeader(const String& name) const; // check if header exists
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bool hasHeader(const __FlashStringHelper * data) const; // check if header exists
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AsyncWebHeader* getHeader(const String& name) const;
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AsyncWebHeader* getHeader(const __FlashStringHelper * data) const;
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AsyncWebHeader* getHeader(size_t num) const;
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size_t params() const; // get arguments count
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bool hasParam(const String& name, bool post=false, bool file=false) const;
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bool hasParam(const __FlashStringHelper * data, bool post=false, bool file=false) const;
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AsyncWebParameter* getParam(const String& name, bool post=false, bool file=false) const;
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AsyncWebParameter* getParam(const __FlashStringHelper * data, bool post, bool file) const;
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AsyncWebParameter* getParam(size_t num) const;
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size_t args() const { return params(); } // get arguments count
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const String& arg(const String& name) const; // get request argument value by name
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const String& arg(const __FlashStringHelper * data) const; // get request argument value by F(name)
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const String& arg(size_t i) const; // get request argument value by number
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const String& argName(size_t i) const; // get request argument name by number
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bool hasArg(const char* name) const; // check if argument exists
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bool hasArg(const __FlashStringHelper * data) const; // check if F(argument) exists
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const String& ASYNCWEBSERVER_REGEX_ATTRIBUTE pathArg(size_t i) const;
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const String& header(const char* name) const;// get request header value by name
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const String& header(const __FlashStringHelper * data) const;// get request header value by F(name)
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const String& header(size_t i) const; // get request header value by number
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const String& headerName(size_t i) const; // get request header name by number
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String urlDecode(const String& text) const;
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};
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/*
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* FILTER :: Callback to filter AsyncWebRewrite and AsyncWebHandler (done by the Server)
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* */
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typedef std::function<bool(AsyncWebServerRequest *request)> ArRequestFilterFunction;
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bool ON_STA_FILTER(AsyncWebServerRequest *request);
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bool ON_AP_FILTER(AsyncWebServerRequest *request);
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/*
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* REWRITE :: One instance can be handle any Request (done by the Server)
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* */
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class AsyncWebRewrite {
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protected:
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String _from;
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String _toUrl;
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String _params;
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ArRequestFilterFunction _filter;
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public:
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AsyncWebRewrite(const char* from, const char* to): _from(from), _toUrl(to), _params(String()), _filter(NULL){
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int index = _toUrl.indexOf('?');
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if (index > 0) {
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_params = _toUrl.substring(index +1);
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_toUrl = _toUrl.substring(0, index);
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}
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}
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virtual ~AsyncWebRewrite(){}
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AsyncWebRewrite& setFilter(ArRequestFilterFunction fn) { _filter = fn; return *this; }
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bool filter(AsyncWebServerRequest *request) const { return _filter == NULL || _filter(request); }
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const String& from(void) const { return _from; }
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const String& toUrl(void) const { return _toUrl; }
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const String& params(void) const { return _params; }
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virtual bool match(AsyncWebServerRequest *request) { return from() == request->url() && filter(request); }
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};
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|
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/*
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* HANDLER :: One instance can be attached to any Request (done by the Server)
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||||
* */
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||||
|
||||
class AsyncWebHandler {
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protected:
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ArRequestFilterFunction _filter;
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String _username;
|
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String _password;
|
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public:
|
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AsyncWebHandler():_username(""), _password(""){}
|
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AsyncWebHandler& setFilter(ArRequestFilterFunction fn) { _filter = fn; return *this; }
|
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AsyncWebHandler& setAuthentication(const char *username, const char *password){ _username = String(username);_password = String(password); return *this; };
|
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bool filter(AsyncWebServerRequest *request){ return _filter == NULL || _filter(request); }
|
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virtual ~AsyncWebHandler(){}
|
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virtual bool canHandle(AsyncWebServerRequest *request __attribute__((unused))){
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||||
return false;
|
||||
}
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virtual void handleRequest(AsyncWebServerRequest *request __attribute__((unused))){}
|
||||
virtual void handleUpload(AsyncWebServerRequest *request __attribute__((unused)), const String& filename __attribute__((unused)), size_t index __attribute__((unused)), uint8_t *data __attribute__((unused)), size_t len __attribute__((unused)), bool final __attribute__((unused))){}
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virtual void handleBody(AsyncWebServerRequest *request __attribute__((unused)), uint8_t *data __attribute__((unused)), size_t len __attribute__((unused)), size_t index __attribute__((unused)), size_t total __attribute__((unused))){}
|
||||
virtual bool isRequestHandlerTrivial(){return true;}
|
||||
};
|
||||
|
||||
/*
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||||
* RESPONSE :: One instance is created for each Request (attached by the Handler)
|
||||
* */
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||||
|
||||
typedef enum {
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||||
RESPONSE_SETUP, RESPONSE_HEADERS, RESPONSE_CONTENT, RESPONSE_WAIT_ACK, RESPONSE_END, RESPONSE_FAILED
|
||||
} WebResponseState;
|
||||
|
||||
class AsyncWebServerResponse {
|
||||
protected:
|
||||
int _code;
|
||||
LinkedList<AsyncWebHeader *> _headers;
|
||||
String _contentType;
|
||||
size_t _contentLength;
|
||||
bool _sendContentLength;
|
||||
bool _chunked;
|
||||
size_t _headLength;
|
||||
size_t _sentLength;
|
||||
size_t _ackedLength;
|
||||
size_t _writtenLength;
|
||||
WebResponseState _state;
|
||||
const char* _responseCodeToString(int code);
|
||||
public:
|
||||
static const __FlashStringHelper *responseCodeToString(int code);
|
||||
|
||||
public:
|
||||
AsyncWebServerResponse();
|
||||
virtual ~AsyncWebServerResponse();
|
||||
virtual void setCode(int code);
|
||||
virtual void setContentLength(size_t len);
|
||||
virtual void setContentType(const String& type);
|
||||
virtual void addHeader(const String& name, const String& value);
|
||||
virtual String _assembleHead(uint8_t version);
|
||||
virtual bool _started() const;
|
||||
virtual bool _finished() const;
|
||||
virtual bool _failed() const;
|
||||
virtual bool _sourceValid() const;
|
||||
virtual void _respond(AsyncWebServerRequest *request);
|
||||
virtual size_t _ack(AsyncWebServerRequest *request, size_t len, uint32_t time);
|
||||
};
|
||||
|
||||
/*
|
||||
* SERVER :: One instance
|
||||
* */
|
||||
|
||||
typedef std::function<void(AsyncWebServerRequest *request)> ArRequestHandlerFunction;
|
||||
typedef std::function<void(AsyncWebServerRequest *request, const String& filename, size_t index, uint8_t *data, size_t len, bool final)> ArUploadHandlerFunction;
|
||||
typedef std::function<void(AsyncWebServerRequest *request, uint8_t *data, size_t len, size_t index, size_t total)> ArBodyHandlerFunction;
|
||||
|
||||
class AsyncWebServer {
|
||||
protected:
|
||||
AsyncServer _server;
|
||||
LinkedList<AsyncWebRewrite*> _rewrites;
|
||||
LinkedList<AsyncWebHandler*> _handlers;
|
||||
AsyncCallbackWebHandler* _catchAllHandler;
|
||||
|
||||
public:
|
||||
AsyncWebServer(uint16_t port);
|
||||
~AsyncWebServer();
|
||||
|
||||
void begin();
|
||||
void end();
|
||||
|
||||
#if ASYNC_TCP_SSL_ENABLED
|
||||
void onSslFileRequest(AcSSlFileHandler cb, void* arg);
|
||||
void beginSecure(const char *cert, const char *private_key_file, const char *password);
|
||||
#endif
|
||||
|
||||
AsyncWebRewrite& addRewrite(AsyncWebRewrite* rewrite);
|
||||
bool removeRewrite(AsyncWebRewrite* rewrite);
|
||||
AsyncWebRewrite& rewrite(const char* from, const char* to);
|
||||
|
||||
AsyncWebHandler& addHandler(AsyncWebHandler* handler);
|
||||
bool removeHandler(AsyncWebHandler* handler);
|
||||
|
||||
AsyncCallbackWebHandler& on(const char* uri, ArRequestHandlerFunction onRequest);
|
||||
AsyncCallbackWebHandler& on(const char* uri, WebRequestMethodComposite method, ArRequestHandlerFunction onRequest);
|
||||
AsyncCallbackWebHandler& on(const char* uri, WebRequestMethodComposite method, ArRequestHandlerFunction onRequest, ArUploadHandlerFunction onUpload);
|
||||
AsyncCallbackWebHandler& on(const char* uri, WebRequestMethodComposite method, ArRequestHandlerFunction onRequest, ArUploadHandlerFunction onUpload, ArBodyHandlerFunction onBody);
|
||||
|
||||
AsyncStaticWebHandler& serveStatic(const char* uri, fs::FS& fs, const char* path, const char* cache_control = NULL);
|
||||
|
||||
void onNotFound(ArRequestHandlerFunction fn); //called when handler is not assigned
|
||||
void onFileUpload(ArUploadHandlerFunction fn); //handle file uploads
|
||||
void onRequestBody(ArBodyHandlerFunction fn); //handle posts with plain body content (JSON often transmitted this way as a request)
|
||||
|
||||
void reset(); //remove all writers and handlers, with onNotFound/onFileUpload/onRequestBody
|
||||
|
||||
void _handleDisconnect(AsyncWebServerRequest *request);
|
||||
void _attachHandler(AsyncWebServerRequest *request);
|
||||
void _rewriteRequest(AsyncWebServerRequest *request);
|
||||
};
|
||||
|
||||
class DefaultHeaders {
|
||||
using headers_t = LinkedList<AsyncWebHeader *>;
|
||||
headers_t _headers;
|
||||
|
||||
DefaultHeaders()
|
||||
:_headers(headers_t([](AsyncWebHeader *h){ delete h; }))
|
||||
{}
|
||||
public:
|
||||
using ConstIterator = headers_t::ConstIterator;
|
||||
|
||||
void addHeader(const String& name, const String& value){
|
||||
_headers.add(new AsyncWebHeader(name, value));
|
||||
}
|
||||
|
||||
ConstIterator begin() const { return _headers.begin(); }
|
||||
ConstIterator end() const { return _headers.end(); }
|
||||
|
||||
DefaultHeaders(DefaultHeaders const &) = delete;
|
||||
DefaultHeaders &operator=(DefaultHeaders const &) = delete;
|
||||
static DefaultHeaders &Instance() {
|
||||
static DefaultHeaders instance;
|
||||
return instance;
|
||||
}
|
||||
};
|
||||
|
||||
#include "WebResponseImpl.h"
|
||||
#include "WebHandlerImpl.h"
|
||||
#include "AsyncWebSocket.h"
|
||||
#include "AsyncEventSource.h"
|
||||
|
||||
#endif /* _AsyncWebServer_H_ */
|
||||
Reference in New Issue
Block a user