thooge/esp32-nmea2000-obp60
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Fix NetworkClient.cpp for more robust data transmission and decompression

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This commit is contained in:
Norbert Walter
2026-03-13 20:28:08 +00:00
parent 604e2a15bd
commit f165c628ae
3 changed files with 226 additions and 18 deletions
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lib/obp60task/NetworkClient.h
+12
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@@ -16,6 +16,11 @@ public:
bool fetchAndDecompressJson(const String& url);
JsonDocument& json();
int imageWidth() const;
int imageHeight() const;
int numberPixels() const;
const char* pictureBase64() const;
size_t pictureBase64Len() const;
bool isValid() const;
private:
@@ -23,8 +28,15 @@ private:
bool _valid;
uint8_t* _jsonRaw;
size_t _jsonRawLen;
int _imageWidth;
int _imageHeight;
int _numberPixels;
char* _pictureBase64;
size_t _pictureBase64Len;
int skipGzipHeader(const uint8_t* data, size_t len);
bool httpGetGzip(const String& url, uint8_t*& outData, size_t& outLen);
static bool findJsonIntField(const char* json, size_t len, const char* key, int& outValue);
static bool extractJsonStringInPlace(char* json, size_t len, const char* key, char*& outValue, size_t& outLen);
};