Function compress_transform_init

plugins/compress/compress.cc:339–365

FIXME: some things are potentially compressible. those responses

// FIXME: some things are potentially compressible. those responses
static void
compress_transform_init(TSCont contp, Data *data)
{
  // update the vary, content-encoding, and etag response headers
  // prepare the downstream for transforming

  TSVConn   downstream_conn;
  TSMBuffer bufp;
  TSMLoc    hdr_loc;

  data->state = transform_state_output;

  if (TSHttpTxnTransformRespGet(data->txn, &bufp, &hdr_loc) != TS_SUCCESS) {
    error("Error TSHttpTxnTransformRespGet");
    return;
  }

  if (content_encoding_header(bufp, hdr_loc, data->compression_type, data->compression_algorithms) == TS_SUCCESS &&
      etag_header(bufp, hdr_loc) == TS_SUCCESS) {
    downstream_conn         = TSTransformOutputVConnGet(contp);
    data->downstream_buffer = TSIOBufferCreate();
    data->downstream_reader = TSIOBufferReaderAlloc(data->downstream_buffer);
    data->downstream_vio    = TSVConnWrite(downstream_conn, contp, data->downstream_reader, INT64_MAX);
  }

  TSHandleMLocRelease(bufp, TS_NULL_MLOC, hdr_loc);
}

static void
gzip_transform_one(Data *data, const char *upstream_buffer, int64_t upstream_length)