diff -r 000000000000 -r c40eb8fe8501 wlan_bearer/wlanengine/wlan_common/wlanengine_common_3.1/src/core_operation_power_save_test.cpp --- /dev/null Thu Jan 01 00:00:00 1970 +0000 +++ b/wlan_bearer/wlanengine/wlan_common/wlanengine_common_3.1/src/core_operation_power_save_test.cpp Tue Feb 02 02:03:13 2010 +0200 @@ -0,0 +1,305 @@ +/* +* Copyright (c) 2006-2009 Nokia Corporation and/or its subsidiary(-ies). +* All rights reserved. +* This component and the accompanying materials are made available +* under the terms of the License "Eclipse Public License v1.0" +* which accompanies this distribution, and is available +* at the URL "http://www.eclipse.org/legal/epl-v10.html". +* +* Initial Contributors: +* Nokia Corporation - initial contribution. +* +* Contributors: +* +* Description: Statemachine for running an echo test in power save. +* +*/ + + +#include "core_operation_power_save_test.h" +#include "core_operation_update_power_mode.h" +#include "core_sub_operation_echo_test.h" +#include "core_tools.h" +#include "core_server.h" +#include "am_debug.h" + +/** The maximum amount of times a particular echo frame is re-sent. */ +const u8_t CORE_MAX_POWER_SAVE_TEST_RETRY_COUNT = 3; + +// ======== MEMBER FUNCTIONS ======== + +// --------------------------------------------------------------------------- +// --------------------------------------------------------------------------- +// +core_operation_power_save_test_c::core_operation_power_save_test_c( + u32_t request_id, + core_server_c* server, + abs_core_driverif_c* drivers, + abs_core_server_callback_c* adaptation ) : + core_operation_base_c( core_operation_power_save_test, request_id, server, drivers, adaptation, + core_base_flag_connection_needed | core_base_flag_only_one_instance ), + current_ap_m( NULL ), + return_status_m( core_error_ok ), + is_power_save_m( true_t ), + is_unicast_test_on_m( true_t ) + { + DEBUG( "core_operation_power_save_test_c::core_operation_power_save_test_c()" ); + } + +// --------------------------------------------------------------------------- +// --------------------------------------------------------------------------- +// +core_operation_power_save_test_c::~core_operation_power_save_test_c() + { + DEBUG( "core_operation_power_save_test_c::~core_operation_power_save_test_c()" ); + + current_ap_m = NULL; + } + +// --------------------------------------------------------------------------- +// --------------------------------------------------------------------------- +// +core_error_e core_operation_power_save_test_c::next_state() + { + DEBUG( "core_operation_power_save_test_c::next_state()" ); + + switch ( operation_state_m ) + { + case core_state_init: + { + DEBUG( "core_operation_power_save_test_c::next_state() core_state_init" ); + if( !server_m->get_core_settings().is_driver_loaded() || + !server_m->get_connection_data() || + !server_m->get_connection_data()->current_ap_data() ) + { + DEBUG( "core_operation_power_save_test_c::next_state() - not connected, no reason to run the power save test" ); + + return core_error_not_supported; + } + + current_ap_m = server_m->get_connection_data()->current_ap_data(); + core_mac_address_s bssid( + current_ap_m->bssid() ); + + /** + * If this AP has already been tested, do not test it again. + */ + bool_t is_success( true_t ); + if( server_m->get_connection_data()->is_ap_power_save_test_run( + bssid, + is_success ) ) + { + DEBUG1( "core_operation_power_save_test_c::next_state() - AP already tested (verdict %u)", + is_success ); + + return core_error_ok; + } + + /** + * If the feature isn't enabled, pretend the test succeeded. + */ + if( !server_m->get_core_settings().is_feature_enabled( + core_feature_power_save_test ) ) + { + return goto_state( core_state_reset_power_mode ); + } + + /** + * Set the phone to wake up on every DTIM. + */ + core_operation_base_c* operation = new core_operation_update_power_mode_c( + request_id_m, + server_m, + drivers_m, + adaptation_m, + CORE_POWER_SAVE_MODE_EVERY_DTIM ); + + return run_sub_operation( operation, core_state_echo_test ); + } + case core_state_set_power_mode_none: + { + DEBUG( "core_operation_power_save_test_c::next_state(): core_state_set_power_mode_none" ); + is_power_save_m = false_t; + return_status_m = core_error_ok; + + /** + * Disable power save. + */ + core_operation_base_c* operation = new core_operation_update_power_mode_c( + request_id_m, + server_m, + drivers_m, + adaptation_m, + CORE_POWER_SAVE_MODE_NONE ); + + return run_sub_operation( operation, core_state_echo_test ); + } + case core_state_set_power_mode_on: + { + is_power_save_m = true_t; + return_status_m = core_error_ok; + + /** + * Set the phone to wake up on every DTIM. + */ + core_operation_base_c* operation = new core_operation_update_power_mode_c( + request_id_m, + server_m, + drivers_m, + adaptation_m, + CORE_POWER_SAVE_MODE_EVERY_DTIM ); + + DEBUG( "core_operation_power_save_test_c::next_state(): core_state_set_power_mode_on" ); + is_unicast_test_on_m = false_t; + + return run_sub_operation( operation, core_state_echo_test ); + } + case core_state_echo_test: + { + /** + * The phone is now in correct power mode and the echo test can be started. + */ + + /** + * The response timeout is based on the AP's beacon interval and DTIM period. + */ + u32_t timeout = ( current_ap_m->beacon_interval() * current_ap_m->dtim_period() + 20 ) * + MILLISECONDS_FROM_MICROSECONDS; + DEBUG3( "core_operation_power_save_test_c::next_state() - AP beacon interval is %u ms, DTIM period is %u, timeout is %u us", + current_ap_m->beacon_interval(), + current_ap_m->dtim_period(), + timeout ); + + + core_operation_base_c* operation = new core_sub_operation_echo_test_c( + request_id_m, + server_m, + drivers_m, + adaptation_m, + *current_ap_m, + CORE_MAX_POWER_SAVE_TEST_RETRY_COUNT, + timeout, + is_unicast_test_on_m ); + + return run_sub_operation( operation, core_state_echo_test_complete ); + } + case core_state_echo_test_complete: + { + DEBUG( "core_operation_power_save_test_c::next_state(): core_state_echo_test_complete" ); + /** + * Echo test has been completed. + */ + + /** + * Echo test can fail because the AP just refuses to echo unicast or + * broadcast frames. Re-run the test without power save. + */ + if( is_power_save_m && + return_status_m == core_error_timeout ) + { + return goto_state( core_state_set_power_mode_none ); //first & third + } + + if( is_unicast_test_on_m && + return_status_m == core_error_timeout ) + { + return goto_state( core_state_set_power_mode_on ); //second + } + + return goto_state( core_state_reset_power_mode ); //fourth (or any if success) + } + case core_state_reset_power_mode: + { + core_mac_address_s bssid( + current_ap_m->bssid() ); + + if( is_power_save_m && + return_status_m == core_error_ok ) + { + /** + * Echo test w/ power save was completed successfully. + */ + DEBUG( "core_operation_power_save_test_c::next_state() - power save test verdict: PASS" ); + + server_m->get_connection_data()->add_ap_power_save_test_verdict( + bssid, + true_t ); + } + else if( return_status_m == core_error_ok ) + { + /** + * Echo test w/ power save failed but succeeded without power save. + */ + DEBUG( "core_operation_power_save_test_c::next_state() - power save test verdict: FAIL" ); + + server_m->get_connection_data()->add_ap_power_save_test_verdict( + bssid, + false_t ); + /** + * Notify adaptation about the failed test. + */ + adaptation_m->notify( + core_notification_broken_power_save_test_failed, + 0, + NULL ); + } + else if( return_status_m == core_error_timeout ) + { + /** + * Echo test failed both without and with power save. + */ + DEBUG( "core_operation_power_save_test_c::next_state() - power save test verdict: INCONCLUSIVE" ); + + server_m->get_connection_data()->add_ap_power_save_test_verdict( + bssid, + true_t ); + } + else + { + DEBUG1( "core_operation_power_save_test_c::next_state() - power save test verdict: UNKNOWN (failure %u)", + return_status_m ); + } + + DEBUG( "core_operation_power_save_test_c::next_state() - scheduling a power save update" ); + + core_operation_base_c* operation = new core_operation_update_power_mode_c( + REQUEST_ID_CORE_INTERNAL, + server_m, + drivers_m, + adaptation_m ); + + server_m->queue_int_operation( operation ); + + return return_status_m; + } + default: + { + ASSERT( false_t ); + } + } + + return core_error_request_pending; + } + +// --------------------------------------------------------------------------- +// --------------------------------------------------------------------------- +// +core_error_e core_operation_power_save_test_c::cancel() + { + DEBUG( "core_operation_power_save_test_c::cancel() " ); + + switch ( operation_state_m ) + { + case core_state_echo_test_complete: + { + // Store the return status of the echo test operation. + return_status_m = failure_reason_m; + + return next_state(); + } + default: + { + return failure_reason_m; + } + } + }