64 lines
2.2 KiB
C
64 lines
2.2 KiB
C
|
/**
|
||
|
*
|
||
|
* HttpStreamScanner.h: Scannes HttpClient stream for lines. Supports chunking.
|
||
|
*
|
||
|
* MIT License
|
||
|
*
|
||
|
* Copyright (c) 2020 InfluxData
|
||
|
*
|
||
|
* Permission is hereby granted, free of charge, to any person obtaining a copy
|
||
|
* of this software and associated documentation files (the "Software"), to deal
|
||
|
* in the Software without restriction, including without limitation the rights
|
||
|
* to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
|
||
|
* copies of the Software, and to permit persons to whom the Software is
|
||
|
* furnished to do so, subject to the following conditions:
|
||
|
*
|
||
|
* The above copyright notice and this permission notice shall be included in all
|
||
|
* copies or substantial portions of the Software.
|
||
|
*
|
||
|
* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
|
||
|
* IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
|
||
|
* FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
|
||
|
* AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
|
||
|
* LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
|
||
|
* OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
|
||
|
* SOFTWARE.
|
||
|
*/
|
||
|
#ifndef _HTTP_STREAM_SCANNER_
|
||
|
#define _HTTP_STREAM_SCANNER_
|
||
|
|
||
|
#if defined(ESP8266)
|
||
|
# include <ESP8266HTTPClient.h>
|
||
|
#elif defined(ESP32)
|
||
|
# include <HTTPClient.h>
|
||
|
#endif //ESP8266
|
||
|
|
||
|
/**
|
||
|
* HttpStreamScanner parses response stream from HTTPClient for lines.
|
||
|
* By repeatedly calling next() it searches for new line.
|
||
|
* If next() returns false, it can mean end of stream or an error.
|
||
|
* Check getError() for nonzero if an error occured
|
||
|
*/
|
||
|
class HttpStreamScanner {
|
||
|
public:
|
||
|
HttpStreamScanner(HTTPClient *client, bool chunked);
|
||
|
bool next();
|
||
|
void close();
|
||
|
const String &getLine() const { return _line; }
|
||
|
int getError() const { return _error; }
|
||
|
int getLinesNum() const {return _linesNum; }
|
||
|
private:
|
||
|
HTTPClient *_client;
|
||
|
Stream *_stream = nullptr;
|
||
|
int _len;
|
||
|
String _line;
|
||
|
int _linesNum= 0;
|
||
|
int _read = 0;
|
||
|
bool _chunked;
|
||
|
bool _chunkHeader;
|
||
|
int _chunkLen = 0;
|
||
|
String _lastChunkLine;
|
||
|
int _error = 0;
|
||
|
};
|
||
|
|
||
|
#endif //#_HTTP_STREAM_SCANNER_
|