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Chunked response for SSL requests

fastled
Xose Pérez 7 years ago
parent
commit
9ff37f4adc
1 changed files with 29 additions and 1 deletions
  1. +29
    -1
      code/espurna/web.ino

+ 29
- 1
code/espurna/web.ino View File

@ -899,7 +899,35 @@ void _onHome(AsyncWebServerRequest *request) {
} else { } else {
AsyncWebServerResponse *response = request->beginResponse_P(200, "text/html", index_html_gz, index_html_gz_len);
#if ASYNC_TCP_SSL_ENABLED
// Chunked response, we calculate the chunks based on free heap (in multiples of 32)
// This is necessary when a TLS connection is open since it sucks too much memory
DEBUG_MSG_P(PSTR("[MAIN] Free heap: %d bytes\n"), ESP.getFreeHeap());
size_t max = (ESP.getFreeHeap() / 3) & 0xFFE0;
AsyncWebServerResponse *response = request->beginChunkedResponse("text/html", [max](uint8_t *buffer, size_t maxLen, size_t index) -> size_t {
// Get the chunk based on the index and maxLen
size_t len = index_html_gz_len - index;
if (len > maxLen) len = maxLen;
if (len > max) len = max;
if (len > 0) memcpy_P(buffer, index_html_gz + index, len);
DEBUG_MSG_P(PSTR("[WEB] Sending %d%%%% (max chunk size: %4d)\r"), int(100 * index / index_html_gz_len), max);
if (len == 0) DEBUG_MSG_P(PSTR("\n"));
// Return the actual length of the chunk (0 for end of file)
return len;
});
#else
AsyncWebServerResponse *response = request->beginResponse_P(200, "text/html", index_html_gz, index_html_gz_len);
#endif
response->addHeader("Content-Encoding", "gzip"); response->addHeader("Content-Encoding", "gzip");
response->addHeader("Last-Modified", _last_modified); response->addHeader("Last-Modified", _last_modified);
request->send(response); request->send(response);


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