wlan_bearer/wlanengine/wlan_common/wlanengine_common_3.1/src/core_sub_operation_echo_test.cpp
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     1 /*
       
     2 * Copyright (c) 2006-2009 Nokia Corporation and/or its subsidiary(-ies).
       
     3 * All rights reserved.
       
     4 * This component and the accompanying materials are made available
       
     5 * under the terms of the License "Eclipse Public License v1.0"
       
     6 * which accompanies this distribution, and is available
       
     7 * at the URL "http://www.eclipse.org/legal/epl-v10.html".
       
     8 *
       
     9 * Initial Contributors:
       
    10 * Nokia Corporation - initial contribution.
       
    11 *
       
    12 * Contributors:
       
    13 *
       
    14 * Description:  Statemachine for running an echo test.
       
    15 *
       
    16 */
       
    17 
       
    18 
       
    19 #include "core_sub_operation_echo_test.h"
       
    20 #include "core_operation_update_power_mode.h"
       
    21 #include "core_frame_echo_test.h"
       
    22 #include "core_tools.h"
       
    23 #include "core_server.h"
       
    24 #include "am_debug.h"
       
    25 
       
    26 // ======== MEMBER FUNCTIONS ========
       
    27 
       
    28 // ---------------------------------------------------------------------------
       
    29 // ---------------------------------------------------------------------------
       
    30 //
       
    31 core_sub_operation_echo_test_c::core_sub_operation_echo_test_c(
       
    32     u32_t request_id,
       
    33     core_server_c* server,
       
    34     abs_core_driverif_c* drivers,
       
    35     abs_core_server_callback_c* adaptation,
       
    36     const core_ap_data_c& ap_data,
       
    37     u8_t max_retry_count,
       
    38     u32_t timeout,
       
    39     bool_t test_mode ) :
       
    40     core_operation_base_c( core_operation_unspecified, request_id, server, drivers, adaptation,
       
    41         core_base_flag_connection_needed ),
       
    42     current_ap_m( ap_data ),
       
    43     max_retry_count_m( max_retry_count ),
       
    44     retry_count_m( 0 ),
       
    45     timeout_m( timeout ),
       
    46     token_m( 0 ),
       
    47     return_status_m( core_error_ok ),
       
    48     is_unicast_mode_m( test_mode )
       
    49     {
       
    50     DEBUG( "core_sub_operation_echo_test_c::core_sub_operation_echo_test_c()" );
       
    51     }
       
    52 
       
    53 // ---------------------------------------------------------------------------
       
    54 // ---------------------------------------------------------------------------
       
    55 //
       
    56 core_sub_operation_echo_test_c::~core_sub_operation_echo_test_c()
       
    57     {
       
    58     DEBUG( "core_sub_operation_echo_test_c::~core_sub_operation_echo_test_c()" );
       
    59 
       
    60     server_m->unregister_frame_handler( this );
       
    61     }
       
    62     
       
    63 // ---------------------------------------------------------------------------
       
    64 // ---------------------------------------------------------------------------
       
    65 //
       
    66 core_error_e core_sub_operation_echo_test_c::next_state()
       
    67     {
       
    68     DEBUG( "core_sub_operation_echo_test_c::next_state()" );
       
    69     
       
    70     core_frame_echo_test_c* frame = NULL;
       
    71     
       
    72     switch ( operation_state_m )
       
    73         {
       
    74         case core_state_init:
       
    75             {
       
    76             if ( is_unicast_mode_m )
       
    77                 {
       
    78                 frame = core_frame_echo_test_c::instance(
       
    79                     server_m->own_mac_addr(),  
       
    80                     server_m->own_mac_addr(), 
       
    81                     ++token_m );
       
    82                 }
       
    83             else
       
    84                 {
       
    85                 frame = core_frame_echo_test_c::instance(
       
    86                     BROADCAST_MAC_ADDR, 
       
    87                     server_m->own_mac_addr(),
       
    88                     ++token_m );
       
    89                 }
       
    90             if ( !frame )
       
    91                 {
       
    92                 DEBUG( "core_sub_operation_echo_test_c::next_state() - unable to generate a test frame" );
       
    93 
       
    94                 return core_error_no_memory;
       
    95                 }
       
    96             
       
    97             if ( is_unicast_mode_m )
       
    98                 {
       
    99                 DEBUG( "core_sub_operation_echo_test_c::next_state() - sending a unicast echo test frame:" );
       
   100                 DEBUG_BUFFER( frame->data_length(), frame->data() );
       
   101 
       
   102                 operation_state_m = core_state_echo_frame_unicast_timeout;
       
   103 
       
   104                 server_m->register_frame_handler( this );
       
   105 
       
   106                 server_m->send_data_frame(
       
   107                      current_ap_m,
       
   108                      core_frame_type_test,
       
   109                      frame->data_length(),
       
   110                      frame->data(),
       
   111                      core_access_class_best_effort,
       
   112                      server_m->own_mac_addr() );  
       
   113                 }
       
   114             else 
       
   115                 {
       
   116                 DEBUG( "core_sub_operation_echo_test_c::next_state() - sending a broadcast echo test frame:" );
       
   117                 DEBUG_BUFFER( frame->data_length(), frame->data() );
       
   118 
       
   119                 operation_state_m = core_state_echo_frame_broadcast_timeout;
       
   120 
       
   121                 server_m->register_frame_handler( this );
       
   122 
       
   123                 server_m->send_data_frame(
       
   124                     current_ap_m,
       
   125                     core_frame_type_test,
       
   126                     frame->data_length(),
       
   127                     frame->data(),
       
   128                     core_access_class_best_effort,
       
   129                     BROADCAST_MAC_ADDR );
       
   130                 }
       
   131 
       
   132             delete frame;
       
   133             frame = NULL;
       
   134 
       
   135             /**
       
   136              * Schedule a timeout if no response is received.
       
   137              */
       
   138             server_m->schedule_operation_timer(
       
   139                 timeout_m );
       
   140 
       
   141             break;
       
   142             }
       
   143         case core_state_echo_frame_broadcast_timeout:
       
   144             {
       
   145             /**
       
   146              * Timeout, no response to broadcast frame was received.
       
   147              */
       
   148 
       
   149             DEBUG( "core_sub_operation_echo_test_c::next_state() - timeout while waiting for a broadcast frame" );
       
   150             
       
   151             server_m->unregister_frame_handler( this );
       
   152             ++retry_count_m;
       
   153             if ( retry_count_m < max_retry_count_m )
       
   154                 {
       
   155                 DEBUG1( "core_sub_operation_echo_test_c::next_state() - %u broadcast retries still left, retrying",
       
   156                     max_retry_count_m - retry_count_m );
       
   157                 
       
   158                 return goto_state( core_state_init );
       
   159                 }            
       
   160             else
       
   161                 {
       
   162                 DEBUG( "core_sub_operation_echo_test_c::next_state() - no broadcast retries left" );
       
   163                 }
       
   164 
       
   165             return core_error_timeout;
       
   166             }
       
   167         case core_state_echo_frame_unicast_timeout:
       
   168              {
       
   169              /**
       
   170               * Timeout, no response to unicast frame was received.
       
   171               */
       
   172 
       
   173              DEBUG( "core_sub_operation_echo_test_c::next_state() - timeout while waiting for a unicast frame" );
       
   174              
       
   175              server_m->unregister_frame_handler( this );
       
   176              ++retry_count_m;
       
   177              if ( retry_count_m < max_retry_count_m )
       
   178                  {
       
   179                  DEBUG1( "core_sub_operation_echo_test_c::next_state() - %u unicast retries still left, retrying",
       
   180                      max_retry_count_m - retry_count_m );
       
   181                  
       
   182                  return goto_state( core_state_init );
       
   183                  }            
       
   184              else
       
   185                  {
       
   186                  DEBUG( "core_sub_operation_echo_test_c::next_state() - no unicast retries left" );
       
   187                  }
       
   188 
       
   189              return core_error_timeout;
       
   190              }
       
   191         case core_state_echo_frame_unicast:
       
   192             {
       
   193             /**
       
   194              * A unicast frame received successfully.
       
   195              */            
       
   196             DEBUG( "core_sub_operation_echo_test_c::next_state() unicast - echo test success" );
       
   197 
       
   198             return core_error_ok;
       
   199             }
       
   200         case core_state_echo_frame_broadcast:
       
   201             {
       
   202             /**
       
   203              * A broadcast frame received successfully.
       
   204              */            
       
   205             DEBUG( "core_sub_operation_echo_test_c::next_state() broadcast - echo test success" );
       
   206 
       
   207             return core_error_ok;
       
   208             }
       
   209         default:
       
   210             {
       
   211             ASSERT( false_t );
       
   212             }
       
   213         }
       
   214 
       
   215     return core_error_request_pending;
       
   216     }
       
   217 
       
   218 // ---------------------------------------------------------------------------
       
   219 // ---------------------------------------------------------------------------
       
   220 //    
       
   221 bool_t core_sub_operation_echo_test_c::receive_test_frame(
       
   222     const core_frame_echo_test_c* frame,
       
   223     u8_t /* rcpi */ )
       
   224     {
       
   225     DEBUG( "core_sub_operation_echo_test_c::receive_test_frame()" );
       
   226 
       
   227     if ( frame->token() != token_m )
       
   228         {
       
   229         DEBUG2( "core_sub_operation_echo_test_c::receive_test_frame() - token doesn't match, received %u, expected %u",
       
   230             frame->token(), token_m );
       
   231         }
       
   232 
       
   233     if ( operation_state_m == core_state_echo_frame_unicast_timeout &&
       
   234          frame->destination() == server_m->own_mac_addr() &&
       
   235          frame->source() == server_m->own_mac_addr() )
       
   236         {
       
   237         DEBUG( "core_sub_operation_echo_test_c::receive_test_frame() - unicast echo test frame received" );
       
   238 
       
   239         server_m->cancel_operation_timer();
       
   240 
       
   241         asynch_goto( core_state_echo_frame_unicast, CORE_TIMER_IMMEDIATELY );
       
   242         }
       
   243     else if ( operation_state_m == core_state_echo_frame_broadcast_timeout &&
       
   244          frame->destination() == BROADCAST_MAC_ADDR &&
       
   245          frame->source() == server_m->own_mac_addr() )
       
   246         {
       
   247         DEBUG( "core_sub_operation_echo_test_c::receive_test_frame() - broadcast echo test frame received" );
       
   248 
       
   249         server_m->cancel_operation_timer();
       
   250 
       
   251         asynch_goto( core_state_echo_frame_broadcast, CORE_TIMER_IMMEDIATELY );
       
   252         }
       
   253     else
       
   254         {
       
   255         DEBUG( "core_sub_operation_echo_test_c::receive_test_frame() - unknown echo test frame" );        
       
   256         DEBUG( "core_sub_operation_echo_test_c::receive_test_frame() - destination:" );
       
   257         DEBUG_MAC( frame->destination().addr );
       
   258         DEBUG( "core_sub_operation_echo_test_c::receive_test_frame() - source:" );
       
   259         DEBUG_MAC( frame->source().addr );
       
   260         DEBUG1( "core_sub_operation_echo_test_c::receive_test_frame() - token: %u",
       
   261             frame->token() );
       
   262         }
       
   263 
       
   264     return true_t;
       
   265     }