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/* |
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* Copyright (C) 2005-2007 by Daniel Wagner |
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* |
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* This file is part of FFADO |
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* FFADO = Free Firewire (pro-)audio drivers for linux |
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* |
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* FFADO is based upon FreeBoB |
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* |
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* This library is free software; you can redistribute it and/or |
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* modify it under the terms of the GNU Lesser General Public |
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* License version 2.1, as published by the Free Software Foundation; |
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* |
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* This library is distributed in the hope that it will be useful, |
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* but WITHOUT ANY WARRANTY; without even the implied warranty of |
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU |
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* Lesser General Public License for more details. |
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* |
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* You should have received a copy of the GNU Lesser General Public |
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* License along with this library; if not, write to the Free Software |
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* Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, |
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* MA 02110-1301 USA |
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*/ |
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#include "avc_serialize.h" |
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#include <iostream> |
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#include <iomanip> |
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#include <netinet/in.h> |
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IMPL_DEBUG_MODULE( CoutSerializer, CoutSerializer, DEBUG_LEVEL_NORMAL ); |
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IMPL_DEBUG_MODULE( StringSerializer, StringSerializer, DEBUG_LEVEL_NORMAL ); |
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IMPL_DEBUG_MODULE( BufferSerialize, BufferSerialize, DEBUG_LEVEL_NORMAL ); |
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IMPL_DEBUG_MODULE( BufferDeserialize, BufferDeserialize, DEBUG_LEVEL_NORMAL ); |
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bool |
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CoutSerializer::write( byte_t d, const char* name ) |
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{ |
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debugOutput( DEBUG_LEVEL_NORMAL, " %3d: 0x%02x %40s\n", m_cnt, d, name ); |
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m_cnt += sizeof( byte_t ); |
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return true; |
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} |
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bool |
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CoutSerializer::write( uint16_t d, const char* name ) |
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{ |
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debugOutput( DEBUG_LEVEL_NORMAL, " %3d: 0x%04x %40s\n", m_cnt, d, name ); |
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m_cnt += sizeof( uint16_t ); |
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return true; |
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} |
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bool |
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CoutSerializer::write( quadlet_t d, const char* name ) |
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{ |
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debugOutput( DEBUG_LEVEL_NORMAL, " %3d: 0x%08x %40s\n", m_cnt, d, name ); |
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m_cnt += sizeof( quadlet_t ); |
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return true; |
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} |
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bool |
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CoutSerializer::write( const char * v, size_t len, const char* name ) |
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{ |
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debugOutput( DEBUG_LEVEL_NORMAL, " %3d: %s %40s\n", m_cnt, v, name ); |
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m_cnt += len; |
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return true; |
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} |
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////////////////////////////////////////////////// |
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bool |
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StringSerializer::write( byte_t d, const char* name ) |
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{ |
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char* result; |
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asprintf( &result, " %3d:\t0x%02x\t%s\n", m_cnt, d, name ); |
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m_string += result; |
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free( result ); |
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m_cnt += sizeof( byte_t ); |
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return true; |
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} |
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bool |
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StringSerializer::write( uint16_t d, const char* name ) |
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{ |
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char* result; |
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asprintf( &result, " %3d:\t0x%04x\t%s\n", m_cnt, d, name ); |
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m_string += result; |
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free( result ); |
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m_cnt += sizeof( uint16_t ); |
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return true; |
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} |
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bool |
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StringSerializer::write( quadlet_t d, const char* name ) |
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{ |
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char* result; |
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asprintf( &result, " %3d:\t0x%08x\t%s\n", m_cnt, d, name ); |
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m_string += result; |
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free( result ); |
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m_cnt += sizeof( quadlet_t ); |
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return true; |
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} |
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bool |
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StringSerializer::write( const char * v, size_t len, const char* name ) |
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{ |
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char* result; |
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asprintf( &result, " %3d:\t%s\t%s\n", m_cnt, v, name ); |
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m_string += result; |
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free( result ); |
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m_cnt += len; |
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return true; |
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} |
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////////////////////////////////////////////////// |
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bool |
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BufferSerialize::write( byte_t value, const char* name ) |
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{ |
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bool result = false; |
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if ( isCurPosValid() ) { |
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*m_curPos = value; |
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m_curPos += sizeof( byte_t ); |
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result = true; |
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} |
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return result; |
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} |
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bool |
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BufferSerialize::write( uint16_t value, const char* name ) |
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{ |
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byte_t hi = (value & 0xFF00) >> 8; |
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byte_t lo = value & 0xFF; |
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bool result = false; |
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if ( isCurPosValid() ) { |
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*m_curPos = hi; |
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m_curPos += sizeof( byte_t ); |
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if ( isCurPosValid() ) { |
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*m_curPos = lo; |
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m_curPos += sizeof( byte_t ); |
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result = true; |
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} |
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} |
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return result; |
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} |
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bool |
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BufferSerialize::write( quadlet_t value, const char* name ) |
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{ |
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bool result = false; |
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if ( isCurPosValid() ) { |
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* ( quadlet_t* )m_curPos = value; |
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m_curPos += sizeof( quadlet_t ); |
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result = true; |
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} |
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return result; |
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} |
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bool |
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BufferSerialize::write( const char * v, size_t len, const char* name ) |
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{ |
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bool result = false; |
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if ( isCurPosValid() ) { |
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m_curPos += len; |
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// avoid write beyond buffer |
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if ( isCurPosValid() ) { |
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m_curPos -= len; |
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memcpy(m_curPos, v, len); |
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m_curPos += len; |
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result = true; |
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} |
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} |
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return result; |
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} |
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bool |
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BufferSerialize::isCurPosValid() const |
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{ |
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if ( static_cast<size_t>( ( m_curPos - m_buffer ) ) >= m_length ) { |
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return false; |
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} |
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return true; |
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} |
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////////////////////////////////////////////////// |
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bool |
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BufferDeserialize::read( byte_t* value ) |
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{ |
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bool result = false; |
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if ( isCurPosValid() ) { |
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*value = *m_curPos; |
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m_curPos += sizeof( byte_t ); |
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result = true; |
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} |
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return result; |
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} |
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bool |
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BufferDeserialize::read( uint16_t* value ) |
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{ |
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byte_t hi; |
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byte_t lo; |
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bool result = false; |
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if ( isCurPosValid() ) { |
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hi = *((byte_t *)m_curPos); |
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m_curPos += sizeof( byte_t ); |
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if ( isCurPosValid() ) { |
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lo = *((byte_t *)m_curPos); |
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m_curPos += sizeof( byte_t ); |
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*value=(hi << 8) | lo; |
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result = true; |
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} |
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} |
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return result; |
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} |
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bool |
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BufferDeserialize::read( quadlet_t* value ) |
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{ |
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bool result = false; |
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if ( isCurPosValid() ) { |
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*value = *( ( quadlet_t* )m_curPos ); |
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m_curPos += sizeof( quadlet_t ); |
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result = true; |
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} |
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return result; |
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} |
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bool |
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BufferDeserialize::read( char** value, size_t length ) |
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{ |
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bool result = false; |
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if ( isCurPosValid() ) { |
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*value = ( char* )m_curPos; |
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m_curPos += length-1; |
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if ( !isCurPosValid() ) { |
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debugError("Read past end of response\n"); |
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result=false; |
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} else { |
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m_curPos++; |
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result = true; |
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} |
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} |
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return result; |
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} |
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bool |
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BufferDeserialize::peek( byte_t* value ) |
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{ |
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bool result = false; |
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if ( isCurPosValid() ) { |
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*value = *m_curPos; |
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result = true; |
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} |
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return result; |
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} |
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bool |
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BufferDeserialize::peek( uint16_t* value, size_t offset ) |
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{ |
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byte_t hi; |
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byte_t lo; |
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bool result = false; |
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m_curPos+=offset; |
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if ( isCurPosValid() ) { |
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hi = *((byte_t *)m_curPos); |
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m_curPos += sizeof( byte_t ); |
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if ( isCurPosValid() ) { |
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lo = *((byte_t *)m_curPos); |
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*value=(hi << 8) | lo; |
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result = true; |
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} |
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m_curPos -= sizeof( byte_t ); |
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} |
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m_curPos-=offset; |
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return result; |
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} |
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bool |
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BufferDeserialize::skip( size_t length ) { |
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m_curPos+=length; |
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return true; |
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} |
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bool |
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BufferDeserialize::isCurPosValid() const |
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{ |
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if ( static_cast<size_t>( ( m_curPos - m_buffer ) ) >= m_length ) { |
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return false; |
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} |
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return true; |
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} |
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