/*- * This file is provided under a dual BSD/GPLv2 license. When using or * redistributing this file, you may do so under either license. * * GPL LICENSE SUMMARY * * Copyright(c) 2008 - 2011 Intel Corporation. All rights reserved. * * This program is free software; you can redistribute it and/or modify * it under the terms of version 2 of the GNU General Public License as * published by the Free Software Foundation. * * This program is distributed in the hope that it will be useful, but * WITHOUT ANY WARRANTY; without even the implied warranty of * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU * General Public License for more details. * * You should have received a copy of the GNU General Public License * along with this program; if not, write to the Free Software * Foundation, Inc., 51 Franklin St - Fifth Floor, Boston, MA 02110-1301 USA. * The full GNU General Public License is included in this distribution * in the file called LICENSE.GPL. * * BSD LICENSE * * Copyright(c) 2008 - 2011 Intel Corporation. All rights reserved. * All rights reserved. * * Redistribution and use in source and binary forms, with or without * modification, are permitted provided that the following conditions * are met: * * * Redistributions of source code must retain the above copyright * notice, this list of conditions and the following disclaimer. * * Redistributions in binary form must reproduce the above copyright * notice, this list of conditions and the following disclaimer in * the documentation and/or other materials provided with the * distribution. * * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT * OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. */ #include __FBSDID("$FreeBSD$"); /** * @file * * @brief This file provides the public and protected implementations for the * state machine logger. The state machine logger will provide debug * log information on a state machine for each state transition. */ #include #if defined(SCI_LOGGING) //****************************************************************************** //* P R O T E C T E D M E T H O D S //****************************************************************************** /** * This is the function that is called when the state machine wants to notify * this observer that there has been a state change. * * @param[in] observer The state machine logger that is observing the state * machine. * @param[in] subject The state machine that is being observed. */ static void sci_base_state_machine_logger_update( SCI_BASE_OBSERVER_T *observer, SCI_BASE_SUBJECT_T *subject ) { SCI_BASE_STATE_MACHINE_LOGGER_T *this_observer; this_observer = (SCI_BASE_STATE_MACHINE_LOGGER_T *)observer; this_observer->log_function( sci_base_object_get_logger(this_observer->log_object), this_observer->log_mask, "%s 0x%08x %s has transitioned from %d to %d\n", this_observer->log_object_name, this_observer->log_object, this_observer->log_state_machine_name, this_observer->parent.subject_state, sci_base_state_machine_get_state((SCI_BASE_STATE_MACHINE_T *)subject) ); sci_base_state_machine_observer_default_update( &this_observer->parent.parent, subject ); } //****************************************************************************** //* P U B L I C M E T H O D S //****************************************************************************** /** * This function will construct the state machine logger and attach it to the * state machine that is to be observed. * * @param[in] this_observer This is the state machine logger object that is * going to observe the subject state machine. * @param[in] the_object This is the object that contains the state machine * being observed it is used to report the address of the object for * which a state transition has occurred. * @param[in] the_log_function This is the logging function to be used when a * state machine transition occurs. Since this is a base object type it * does not actually know if the logging function is for the core or * framework. * @param[in] the_object_name This is the name of the object that contains the * state machine being observed. * @param[in] the_state_machine_name This is the name that will be displayed * in the log string for the state machine being observed. * @param[in] the_object_mask This is the log object mask used when calling * the logging function. * * @return Nothing */ void sci_base_state_machine_logger_construct( SCI_BASE_STATE_MACHINE_LOGGER_T * this_observer, SCI_BASE_OBJECT_T * the_object, SCI_BASE_STATE_MACHINE_LOGGER_LOG_HANDLER_T the_log_function, char * log_object_name, char * log_state_machine_name, U32 log_object_mask ) { sci_base_state_machine_observer_construct(&this_observer->parent); this_observer->log_object = the_object; this_observer->log_function = the_log_function; this_observer->log_object_name = log_object_name; this_observer->log_state_machine_name = log_state_machine_name; this_observer->log_mask = log_object_mask; this_observer->parent.parent.update = sci_base_state_machine_logger_update; } /** * This is a helper function that will construct the state machine logger and * attach it to the state machine that is to be observed. * * @param[in] this_observer This is the state machine logger object that is * going to observe the subject state machine. * @param[in] the_state_machine This is the state machine that is under * observation. * @param[in] the_object This is the object that contains the state machine * being observed it is used to report the address of the object for * which a state transition has occurred. * @param[in] the_log_function This is the logging function to be used when a * state machine transition occurs. Since this is a base object type it * does not actually know if the logging function is for the core or * framework. * @param[in] the_object_name This is the name of the object that contains the * state machine being observed. * @param[in] the_state_machine_name This is the name that will be displayed * in the log string for the state machine being observed. * @param[in] the_object_mask This is the log object mask used when calling * the logging function. * * @return Nothing */ void sci_base_state_machine_logger_initialize( SCI_BASE_STATE_MACHINE_LOGGER_T * this_observer, SCI_BASE_STATE_MACHINE_T * the_state_machine, SCI_BASE_OBJECT_T * the_object, SCI_BASE_STATE_MACHINE_LOGGER_LOG_HANDLER_T the_log_function, char * log_object_name, char * log_state_machine_name, U32 log_object_mask ) { sci_base_state_machine_logger_construct( this_observer, the_object, the_log_function, log_object_name, log_state_machine_name, log_object_mask ); sci_base_subject_attach_observer( &the_state_machine->parent, &this_observer->parent.parent ); } /** * This is a helper function that will detach this observer from the state * machine that is being observerd. * * @param[in] this_observer This is the observer to detach from the state * machine. * @parame[in] the_state_machine This is the state machine that is no longer * going to be observed. * * @return Nothing */ void sci_base_state_machine_logger_deinitialize( SCI_BASE_STATE_MACHINE_LOGGER_T * this_observer, SCI_BASE_STATE_MACHINE_T * the_state_machine ) { sci_base_subject_detach_observer( &the_state_machine->parent, &this_observer->parent.parent ); } #endif // defined(SCI_LOGGING)