Method HandleResponse

src/proxy/http/HttpTransact.cc:3447–3492

////////////////////////////////////////////////////////////////////////// Name : HandleResponse Description: called from the state machine when a response is received Details : This is the entry into a coin-sorting machine. There are many different bins that the response can fall into. First, the response can be invalid if for example it is not a response, or not complete, or the conne

//
///////////////////////////////////////////////////////////////////////////////
void
HttpTransact::HandleResponse(State *s)
{
  TxnDbg(dbg_ctl_http_trans, "Entering HttpTransact::HandleResponse");
  TxnDbg(dbg_ctl_http_seq, "Response received");

  s->source                 = SOURCE_HTTP_ORIGIN_SERVER;
  s->response_received_time = ink_local_time();
  ink_assert(s->response_received_time >= s->request_sent_time);
  s->current.now = s->response_received_time;

  TxnDbg(dbg_ctl_http_trans, "response_received_time: %" PRId64, (int64_t)s->response_received_time);
  dump_header(dbg_ctl_http_hdrs, &s->hdr_info.server_response, s->state_machine_id(), "Incoming O.S. Response");

  Metrics::Counter::increment(http_rsb.incoming_responses);

  ink_release_assert(s->current.request_to != ResolveInfo::UNDEFINED_LOOKUP);
  if (s->cache_info.action != CACHE_DO_WRITE) {
    ink_release_assert(s->cache_info.action != CACHE_DO_LOOKUP);
    ink_release_assert(s->cache_info.action != CACHE_DO_SERVE);
    ink_release_assert(s->cache_info.action != CACHE_PREPARE_TO_DELETE);
    ink_release_assert(s->cache_info.action != CACHE_PREPARE_TO_UPDATE);
    ink_release_assert(s->cache_info.action != CACHE_PREPARE_TO_WRITE);
  }

  if (!HttpTransact::is_response_valid(s, &s->hdr_info.server_response)) {
    TxnDbg(dbg_ctl_http_seq, "Response not valid");
  } else {
    TxnDbg(dbg_ctl_http_seq, "Response valid");
    initialize_state_variables_from_response(s, &s->hdr_info.server_response);
  }

  switch (s->current.request_to) {
  case ResolveInfo::PARENT_PROXY:
    handle_response_from_parent(s);
    break;
  case ResolveInfo::ORIGIN_SERVER:
    handle_response_from_server(s);
    break;
  default:
    ink_assert(!("s->current.request_to is not P.P. or O.S. - hmmm."));
    break;
  }

  return;
}

///////////////////////////////////////////////////////////////////////////////
// Name       : HandleUpdateCachedObject