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[http_request] Make TLS buffer configurable on ESP8266 (#14009)

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Co-authored-by: Jonathan Swoboda <154711427+swoboda1337@users.noreply.github.com>
This commit is contained in:
AndreKRandJonathan Swoboda authored and GitHub committed 2026-03-06 14:29:20 -10:00
1 parent d8deb2255d
commit f53ee70caa
4 files changed
+28 -8
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esphome/components/http_request/http_request_arduino.cpp
+3 -5
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@@ -18,8 +18,6 @@ namespace esphome::http_request {
static const char *const TAG = "http_request.arduino";
#ifdef USE_ESP8266
static constexpr int RX_BUFFER_SIZE = 512;
static constexpr int TX_BUFFER_SIZE = 512;
// ESP8266 Arduino core (WiFiClientSecureBearSSL.cpp) returns -1000 on OOM
static constexpr int ESP8266_SSL_ERR_OOM = -1000;
#endif
@@ -58,7 +56,7 @@ std::shared_ptr<HttpContainer> HttpRequestArduino::perform(const std::string &ur
ESP_LOGV(TAG, "ESP8266 HTTPS connection with WiFiClientSecure");
stream_ptr = std::make_unique<WiFiClientSecure>();
WiFiClientSecure *secure_client = static_cast<WiFiClientSecure *>(stream_ptr.get());
secure_client->setBufferSizes(RX_BUFFER_SIZE, TX_BUFFER_SIZE);
secure_client->setBufferSizes(this->tls_buffer_size_rx_, this->tls_buffer_size_tx_);
secure_client->setInsecure();
} else {
stream_ptr = std::make_unique<WiFiClient>();
@@ -138,8 +136,8 @@ std::shared_ptr<HttpContainer> HttpRequestArduino::perform(const std::string &ur
}
ESP_LOGW(TAG, "SSL failure: %s (Code: %d)", LOG_STR_ARG(error_msg), last_error);
if (last_error == ESP8266_SSL_ERR_OOM) {
ESP_LOGW(TAG, "Heap free: %u bytes, configured buffer sizes: %u bytes", ESP.getFreeHeap(),
static_cast<unsigned int>(RX_BUFFER_SIZE + TX_BUFFER_SIZE));
ESP_LOGW(TAG, "Configured TLS buffer sizes: %u/%u bytes, check max free heap block using the debug component",
(unsigned int) this->tls_buffer_size_rx_, (unsigned int) this->tls_buffer_size_tx_);
}
} else {
ESP_LOGW(TAG, "Connection failure with no error code");