Leif Hedstrom created TS-4694:
---------------------------------

             Summary: Some refactoring after SPDY is removed
                 Key: TS-4694
                 URL: https://issues.apache.org/jira/browse/TS-4694
             Project: Traffic Server
          Issue Type: Improvement
          Components: Core, HTTP
            Reporter: Leif Hedstrom


There's a place in the code with a comment about refactoring this once we 
remove SPDY (see below). I'm filing this separates from TS-4311, because I'm 
not sure what this refactoring entails. [~shinrich] had some ideas around this 
code :).

{code}
void
ProxyClientTransaction::new_transaction()
{
  ink_assert(current_reader == NULL);

  // Defensive programming, make sure nothing persists across
  // connection re-use

  ink_release_assert(parent != NULL);
  current_reader = HttpSM::allocate();
  current_reader->init();
  DebugHttpTxn("[%" PRId64 "] Starting transaction %d using sm [%" PRId64 "]", 
parent->connection_id(),
               parent->get_transact_count(), current_reader->sm_id);

  // This is a temporary hack until we get rid of SPDY and can use virutal 
methods entirely
  // to track protocol.
  PluginIdentity *pi = dynamic_cast<PluginIdentity *>(this->get_netvc());
  if (pi) {
    current_reader->plugin_tag = pi->getPluginTag();
    current_reader->plugin_id  = pi->getPluginId();
  } else {
    const char *protocol_str = this->get_protocol_string();
    // We don't set the plugin_tag for http, though in future we should 
probably log http as protocol
    if (strlen(protocol_str) != 4 || strncmp("http", protocol_str, 4)) {
      current_reader->plugin_tag = protocol_str;
      // Since there is no more plugin, there is no plugin id for http/2
      // We are copying along the plugin_tag as a standin for protocol name for 
logging
      // and to detect a case in HttpTransaction (TS-3954)
    }
  }
  current_reader->attach_client_session(this, sm_reader);
}
{code}



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