--- /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;
+ }
+ }
+ }