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https://github.com/thooge/esp32-nmea2000-obp60.git
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43 lines
1.4 KiB
C++
43 lines
1.4 KiB
C++
#pragma once
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#include <ArduinoJson.h>
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#include <WiFi.h>
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#include <HTTPClient.h>
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#define DEBUGING true // Debug flag for NetworkClient for more live information
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#define READLIMIT 200000 // HTTP read limit in byte for gzip content (can be adjusted)
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#define CONNECTIONTIMEOUT 3000 // Timeout in ms for HTTP connection
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#define TCPREADTIMEOUT 2000 // Timeout in ms for read HTTP client stack
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#define READDATATIMEOUT 2000 // Timeout in ms for read data
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class NetworkClient {
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public:
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NetworkClient(size_t reserveSize = 0);
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~NetworkClient();
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bool fetchAndDecompressJson(const String& url);
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JsonDocument& json();
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int imageWidth() const;
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int imageHeight() const;
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int numberPixels() const;
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const char* pictureBase64() const;
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size_t pictureBase64Len() const;
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bool isValid() const;
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private:
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DynamicJsonDocument _doc;
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bool _valid;
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uint8_t* _jsonRaw;
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size_t _jsonRawLen;
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int _imageWidth;
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int _imageHeight;
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int _numberPixels;
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char* _pictureBase64;
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size_t _pictureBase64Len;
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int skipGzipHeader(const uint8_t* data, size_t len);
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bool httpGetGzip(const String& url, uint8_t*& outData, size_t& outLen);
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static bool findJsonIntField(const char* json, size_t len, const char* key, int& outValue);
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static bool extractJsonStringInPlace(char* json, size_t len, const char* key, char*& outValue, size_t& outLen);
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};
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