/* -*- C++ -*- */ // Receiver_QoS_Event_Handler.cpp,v 1.2 2001/09/07 20:25:51 yamuna Exp // ============================================================================ // // = LIBRARY // ACE_wrappers/examples/QOS // // = FILENAME // Receiver_QoS_Event_Handler.cpp // // = AUTHOR // Vishal Kachroo <vishal@cs.wustl.edu> // // ============================================================================ #include "Receiver_QoS_Event_Handler.h" #include "ace/Log_Msg.h" #include "ace/SString.h" #include "Fill_ACE_QoS.h" // Constructor. Receiver_QoS_Event_Handler::Receiver_QoS_Event_Handler (void) { } Receiver_QoS_Event_Handler::Receiver_QoS_Event_Handler (const ACE_SOCK_Dgram_Mcast_QoS &dgram_mcast_qos, ACE_QoS_Session *qos_session) : dgram_mcast_qos_ (dgram_mcast_qos), qos_session_ (qos_session) { } // Destructor. Receiver_QoS_Event_Handler::~Receiver_QoS_Event_Handler (void) { } // Return the handle of the Dgram_Mcast. This method is called // internally by the reactor. ACE_HANDLE Receiver_QoS_Event_Handler::get_handle (void) const { return this->dgram_mcast_qos_.get_handle (); } // Called when there is a READ activity on the dgram_mcast_qos handle. int Receiver_QoS_Event_Handler::handle_input (ACE_HANDLE) { char buf[BUFSIZ]; iovec iov; iov.iov_base = buf; iov.iov_len = BUFSIZ; ACE_OS::memset (iov.iov_base, 0, BUFSIZ); ACE_DEBUG ((LM_DEBUG, "Inside handle_input () of Receiver_QoS_Event_Handler ()\n")); // Receive message from multicast group. ssize_t result = this->dgram_mcast_qos_.recv (&iov, 1, this->remote_addr_); if (result != -1) { ACE_DEBUG ((LM_DEBUG, "Message Received : %s", iov.iov_base)); return 0; } else return -1; } // Called when there is a QoS Event. int Receiver_QoS_Event_Handler::handle_qos (ACE_HANDLE fd) { ACE_UNUSED_ARG (fd); ACE_DEBUG ((LM_DEBUG, "\nReceived a QOS event. Inside handle_qos ()\n")); // We have received an RSVP event. The following update_qos () call // calls rapi_dispatch () in case of RAPI and WSAIoctl (GET_QOS) in // case of W2K. It then does the QoS parameter translation and updates // the QoS session object with the latest QoS. This call replaces the // direct call that was being made to WSAIoctl (GET_QOS) here for the // Win2K example. if (this->qos_session_->update_qos () == -1) ACE_ERROR_RETURN ((LM_ERROR, "Error in updating QoS\n"), -1); else ACE_DEBUG ((LM_DEBUG, " Updating QOS succeeds.\n")); // Now proactively query the QoS object for QoS. ACE_QoS ace_get_qos = this->qos_session_->qos (); ACE_DEBUG ((LM_DEBUG, "\nReceiving Flowspec :\t\t\tSending Flowspec :\n\n" "\tToken Rate = %d\t\t\tToken Rate = %d\n" "\tToken Bucket Size = %d\t\t\tToken Bucket Size = %d\n" "\tPeak Bandwidth = %d\t\t\tPeak Bandwidth = %d\n" "\tLatency = %d\t\t\t\tLatency = %d\n" "\tDelay Variation = %d\t\t\tDelay Variation = %d\n" "\tService Type = %d\t\t\tService Type = %d\n" "\tMax SDU Size = %d\t\t\tMax SDU Size = %d\n" "\tMinimum Policed Size = %d\t\tMinimum Policed Size = %d\n\n", ace_get_qos.receiving_flowspec ()->token_rate (), ace_get_qos.sending_flowspec ()->token_rate (), ace_get_qos.receiving_flowspec ()->token_bucket_size (), ace_get_qos.sending_flowspec ()->token_bucket_size (), ace_get_qos.receiving_flowspec ()->peak_bandwidth (), ace_get_qos.sending_flowspec ()->peak_bandwidth (), ace_get_qos.receiving_flowspec ()->latency (), ace_get_qos.sending_flowspec ()->latency (), ace_get_qos.receiving_flowspec ()->delay_variation (), ace_get_qos.sending_flowspec ()->delay_variation (), ace_get_qos.receiving_flowspec ()->service_type (), ace_get_qos.sending_flowspec ()->service_type (), ace_get_qos.receiving_flowspec ()->max_sdu_size (), ace_get_qos.sending_flowspec ()->max_sdu_size (), ace_get_qos.receiving_flowspec ()->minimum_policed_size (), ace_get_qos.sending_flowspec ()->minimum_policed_size ())); // // create a dynamic flow spec on each callback to test QoS retransmits // ACE_CString flow_id ("flow_id"); Fill_ACE_QoS flow_spec_list; ACE_DEBUG ((LM_DEBUG, "\nA new flow spec! in QoS handler.")); static int token_rate = 9400; ++token_rate; static int peak_bw = 18500; ++peak_bw; switch (flow_spec_list.map ().bind (flow_id, new ACE_Flow_Spec (token_rate, 708, peak_bw, 0, 0, ACE_SERVICETYPE_CONTROLLEDLOAD, 368, 368, 25, 1))) { case 1 : ACE_ERROR_RETURN ((LM_ERROR, "Unable to bind the new flow spec\n" "The Flow Spec name already exists\n"), -1); break; case -1 : ACE_ERROR_RETURN ((LM_ERROR, "Unable to bind the new flow spec\n"), -1); break; } // // set up the new qos // ACE_QoS another_qos_receiver; if (flow_spec_list.fill_simplex_receiver_qos (another_qos_receiver, flow_id) !=0) ACE_ERROR_RETURN ((LM_ERROR, "Unable to fill handler-simplex receiver qos\n"), -1); else ACE_DEBUG ((LM_DEBUG, "Successfully built a new flowspec in handle_qos!\n")); // // change the qos for the current session // ACE_QoS_Manager qos_manager = this->dgram_mcast_qos_.qos_manager (); ACE_DEBUG ((LM_DEBUG, "QoS Manager was built in handle_qos!\n")); // Set the QoS for the session. Replaces the ioctl () call that // was being made previously. if (this->qos_session_->qos (&this->dgram_mcast_qos_, &qos_manager, another_qos_receiver) == -1) ACE_ERROR_RETURN ((LM_ERROR, "Unable to set QoS\n"), -1); else ACE_DEBUG ((LM_DEBUG, "Setting QOS succeeds.\n")); return 0; }