Function dump_headers

plugins/experimental/cache_fill/background_fetch.cc:117–145

////////////////////////////////////////////////////////////////////// Dump a header on stderr, useful together with Dbg().

///////////////////////////////////////////////////////////////////////////
// Dump a header on stderr, useful together with Dbg().
static void
dump_headers(TSMLoc hdr_loc)
{
  TSIOBuffer       output_buffer;
  TSIOBufferReader reader;
  TSIOBufferBlock  block;
  int64_t          block_avail;

  output_buffer = TSIOBufferCreate();
  reader        = TSIOBufferReaderAlloc(output_buffer);

  /* This will print  just MIMEFields and not the http request line */
  TSMimeHdrPrint(hdr_loc, output_buffer);

  /* We need to loop over all the buffer blocks, there can be more than 1 */
  block = TSIOBufferReaderStart(reader);
  do {
    const char *block_start = TSIOBufferBlockReadStart(block, reader, &block_avail);
    if (block_avail > 0) {
      Dbg(dbg_ctl, "Headers are:\n%.*s", static_cast<int>(block_avail), block_start);
    }
    TSIOBufferReaderConsume(reader, block_avail);
    block = TSIOBufferReaderStart(reader);
  } while (block && block_avail != 0);

  /* Free up the TSIOBuffer that we used to print out the header */
  TSIOBufferReaderFree(reader);
  TSIOBufferDestroy(output_buffer);
}

bool
BgFetchData::initialize(TSMBuffer request, TSMLoc req_hdr, TSHttpTxn txnp)