Function updateOptionsBuffer

lib/internal/http2/util.js:236–306

(options)

const IDX_OPTIONS_FLAGS = 13;

function updateOptionsBuffer(options) {
  let flags = 0;
  if (typeof options.maxDeflateDynamicTableSize === 'number') {
    flags |= (1 << IDX_OPTIONS_MAX_DEFLATE_DYNAMIC_TABLE_SIZE);
    optionsBuffer[IDX_OPTIONS_MAX_DEFLATE_DYNAMIC_TABLE_SIZE] =
      options.maxDeflateDynamicTableSize;
  }
  if (typeof options.maxReservedRemoteStreams === 'number') {
    flags |= (1 << IDX_OPTIONS_MAX_RESERVED_REMOTE_STREAMS);
    optionsBuffer[IDX_OPTIONS_MAX_RESERVED_REMOTE_STREAMS] =
      options.maxReservedRemoteStreams;
  }
  if (typeof options.maxSendHeaderBlockLength === 'number') {
    flags |= (1 << IDX_OPTIONS_MAX_SEND_HEADER_BLOCK_LENGTH);
    optionsBuffer[IDX_OPTIONS_MAX_SEND_HEADER_BLOCK_LENGTH] =
      options.maxSendHeaderBlockLength;
  }
  if (typeof options.peerMaxConcurrentStreams === 'number') {
    flags |= (1 << IDX_OPTIONS_PEER_MAX_CONCURRENT_STREAMS);
    optionsBuffer[IDX_OPTIONS_PEER_MAX_CONCURRENT_STREAMS] =
      options.peerMaxConcurrentStreams;
  }
  if (typeof options.paddingStrategy === 'number') {
    flags |= (1 << IDX_OPTIONS_PADDING_STRATEGY);
    optionsBuffer[IDX_OPTIONS_PADDING_STRATEGY] =
      options.paddingStrategy;
  }
  if (typeof options.maxHeaderListPairs === 'number') {
    flags |= (1 << IDX_OPTIONS_MAX_HEADER_LIST_PAIRS);
    optionsBuffer[IDX_OPTIONS_MAX_HEADER_LIST_PAIRS] =
      options.maxHeaderListPairs;
  }
  if (typeof options.maxOutstandingPings === 'number') {
    flags |= (1 << IDX_OPTIONS_MAX_OUTSTANDING_PINGS);
    optionsBuffer[IDX_OPTIONS_MAX_OUTSTANDING_PINGS] =
      options.maxOutstandingPings;
  }
  if (typeof options.maxOutstandingSettings === 'number') {
    flags |= (1 << IDX_OPTIONS_MAX_OUTSTANDING_SETTINGS);
    optionsBuffer[IDX_OPTIONS_MAX_OUTSTANDING_SETTINGS] =
      MathMax(1, options.maxOutstandingSettings);
  }
  if (typeof options.maxSessionMemory === 'number') {
    flags |= (1 << IDX_OPTIONS_MAX_SESSION_MEMORY);
    optionsBuffer[IDX_OPTIONS_MAX_SESSION_MEMORY] =
      MathMax(1, options.maxSessionMemory);
  }
  if (typeof options.maxSettings === 'number') {
    flags |= (1 << IDX_OPTIONS_MAX_SETTINGS);
    optionsBuffer[IDX_OPTIONS_MAX_SETTINGS] =
      MathMax(1, options.maxSettings);
  }
  if (typeof options.streamResetRate === 'number') {
    flags |= (1 << IDX_OPTIONS_STREAM_RESET_RATE);
    optionsBuffer[IDX_OPTIONS_STREAM_RESET_RATE] =
      MathMax(1, options.streamResetRate);
  }
  if (typeof options.streamResetBurst === 'number') {