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Code Issues Projects Releases Wiki Activity

Actually increase request memory for json parsing (#3331)

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Jesse Hills 2022-03-28 17:04:25 +13:00 committed by GitHub
parent 9a82057303
commit 6b9371d105
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GPG Key ID: 4AEE18F83AFDEB23
1 changed files with 3 additions and 3 deletions
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6
esphome/components/json/json_util.cpp
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@ -54,9 +54,8 @@ void parse_json(const std::string &data, const json_parse_t &f) {
const size_t free_heap = heap_caps_get_largest_free_block(MALLOC_CAP_INTERNAL);
#endif
bool pass = false;
size_t request_size = std::min(free_heap - 2048, (size_t)(data.size() * 1.5));
do {
const size_t request_size = std::min(free_heap - 2048, (size_t)(data.size() * 1.5));
DynamicJsonDocument json_document(request_size);
if (json_document.memoryPool().buffer() == nullptr) {
ESP_LOGE(TAG, "Could not allocate memory for JSON document! Requested %u bytes, free heap: %u", request_size,
@ -76,7 +75,8 @@ void parse_json(const std::string &data, const json_parse_t &f) {
ESP_LOGE(TAG, "Can not allocate more memory for deserialization. Consider making source string smaller");
return;
}
ESP_LOGW(TAG, "Increasing memory allocation.");
ESP_LOGV(TAG, "Increasing memory allocation.");
request_size *= 2;
continue;
} else {
ESP_LOGE(TAG, "JSON parse error: %s", err.c_str());