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authorChristian Gromm <christian.gromm@microchip.com>2016-12-08 16:46:07 +0100
committerChristian Gromm <christian.gromm@microchip.com>2016-12-08 16:46:07 +0100
commit0a28683a1ff9f3975c8b68b15017cf342bab5f3d (patch)
tree2f350b709db4d45532fc0624cfce22ec11e43ccf /Src/IP/MostMsg.cpp
parent18c9e9fc0000861257ab06f6a033612b0c567674 (diff)
src: vod-server: import sources
This patch adds the source tree of the Video-On-Demand server and its configuration scripts. Change-Id: I6db8c43d46c7450baf117a541bd7153496dbcd4c Signed-off-by: Christian Gromm <christian.gromm@microchip.com>
Diffstat (limited to 'Src/IP/MostMsg.cpp')
-rw-r--r--Src/IP/MostMsg.cpp405
1 files changed, 405 insertions, 0 deletions
diff --git a/Src/IP/MostMsg.cpp b/Src/IP/MostMsg.cpp
new file mode 100644
index 0000000..3ca043f
--- /dev/null
+++ b/Src/IP/MostMsg.cpp
@@ -0,0 +1,405 @@
+/*
+ * Video On Demand Samples
+ *
+ * Copyright (C) 2015 Microchip Technology Germany II GmbH & Co. KG
+ *
+ * This program is free software: you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation, either version 3 of the License, or
+ * (at your option) any later version.
+ *
+ * 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, see <http://www.gnu.org/licenses/>.
+ *
+ * You may also obtain this software under a propriety license from Microchip.
+ * Please contact Microchip for further information.
+ *
+ */
+
+#include "Console.h"
+#include "MostMsg.h"
+#include <stdlib.h>
+
+static uint32_t crc32_tab[] =
+{
+ 0x00000000, 0x77073096, 0xee0e612c, 0x990951ba, 0x076dc419, 0x706af48f,
+ 0xe963a535, 0x9e6495a3, 0x0edb8832, 0x79dcb8a4, 0xe0d5e91e, 0x97d2d988,
+ 0x09b64c2b, 0x7eb17cbd, 0xe7b82d07, 0x90bf1d91, 0x1db71064, 0x6ab020f2,
+ 0xf3b97148, 0x84be41de, 0x1adad47d, 0x6ddde4eb, 0xf4d4b551, 0x83d385c7,
+ 0x136c9856, 0x646ba8c0, 0xfd62f97a, 0x8a65c9ec, 0x14015c4f, 0x63066cd9,
+ 0xfa0f3d63, 0x8d080df5, 0x3b6e20c8, 0x4c69105e, 0xd56041e4, 0xa2677172,
+ 0x3c03e4d1, 0x4b04d447, 0xd20d85fd, 0xa50ab56b, 0x35b5a8fa, 0x42b2986c,
+ 0xdbbbc9d6, 0xacbcf940, 0x32d86ce3, 0x45df5c75, 0xdcd60dcf, 0xabd13d59,
+ 0x26d930ac, 0x51de003a, 0xc8d75180, 0xbfd06116, 0x21b4f4b5, 0x56b3c423,
+ 0xcfba9599, 0xb8bda50f, 0x2802b89e, 0x5f058808, 0xc60cd9b2, 0xb10be924,
+ 0x2f6f7c87, 0x58684c11, 0xc1611dab, 0xb6662d3d, 0x76dc4190, 0x01db7106,
+ 0x98d220bc, 0xefd5102a, 0x71b18589, 0x06b6b51f, 0x9fbfe4a5, 0xe8b8d433,
+ 0x7807c9a2, 0x0f00f934, 0x9609a88e, 0xe10e9818, 0x7f6a0dbb, 0x086d3d2d,
+ 0x91646c97, 0xe6635c01, 0x6b6b51f4, 0x1c6c6162, 0x856530d8, 0xf262004e,
+ 0x6c0695ed, 0x1b01a57b, 0x8208f4c1, 0xf50fc457, 0x65b0d9c6, 0x12b7e950,
+ 0x8bbeb8ea, 0xfcb9887c, 0x62dd1ddf, 0x15da2d49, 0x8cd37cf3, 0xfbd44c65,
+ 0x4db26158, 0x3ab551ce, 0xa3bc0074, 0xd4bb30e2, 0x4adfa541, 0x3dd895d7,
+ 0xa4d1c46d, 0xd3d6f4fb, 0x4369e96a, 0x346ed9fc, 0xad678846, 0xda60b8d0,
+ 0x44042d73, 0x33031de5, 0xaa0a4c5f, 0xdd0d7cc9, 0x5005713c, 0x270241aa,
+ 0xbe0b1010, 0xc90c2086, 0x5768b525, 0x206f85b3, 0xb966d409, 0xce61e49f,
+ 0x5edef90e, 0x29d9c998, 0xb0d09822, 0xc7d7a8b4, 0x59b33d17, 0x2eb40d81,
+ 0xb7bd5c3b, 0xc0ba6cad, 0xedb88320, 0x9abfb3b6, 0x03b6e20c, 0x74b1d29a,
+ 0xead54739, 0x9dd277af, 0x04db2615, 0x73dc1683, 0xe3630b12, 0x94643b84,
+ 0x0d6d6a3e, 0x7a6a5aa8, 0xe40ecf0b, 0x9309ff9d, 0x0a00ae27, 0x7d079eb1,
+ 0xf00f9344, 0x8708a3d2, 0x1e01f268, 0x6906c2fe, 0xf762575d, 0x806567cb,
+ 0x196c3671, 0x6e6b06e7, 0xfed41b76, 0x89d32be0, 0x10da7a5a, 0x67dd4acc,
+ 0xf9b9df6f, 0x8ebeeff9, 0x17b7be43, 0x60b08ed5, 0xd6d6a3e8, 0xa1d1937e,
+ 0x38d8c2c4, 0x4fdff252, 0xd1bb67f1, 0xa6bc5767, 0x3fb506dd, 0x48b2364b,
+ 0xd80d2bda, 0xaf0a1b4c, 0x36034af6, 0x41047a60, 0xdf60efc3, 0xa867df55,
+ 0x316e8eef, 0x4669be79, 0xcb61b38c, 0xbc66831a, 0x256fd2a0, 0x5268e236,
+ 0xcc0c7795, 0xbb0b4703, 0x220216b9, 0x5505262f, 0xc5ba3bbe, 0xb2bd0b28,
+ 0x2bb45a92, 0x5cb36a04, 0xc2d7ffa7, 0xb5d0cf31, 0x2cd99e8b, 0x5bdeae1d,
+ 0x9b64c2b0, 0xec63f226, 0x756aa39c, 0x026d930a, 0x9c0906a9, 0xeb0e363f,
+ 0x72076785, 0x05005713, 0x95bf4a82, 0xe2b87a14, 0x7bb12bae, 0x0cb61b38,
+ 0x92d28e9b, 0xe5d5be0d, 0x7cdcefb7, 0x0bdbdf21, 0x86d3d2d4, 0xf1d4e242,
+ 0x68ddb3f8, 0x1fda836e, 0x81be16cd, 0xf6b9265b, 0x6fb077e1, 0x18b74777,
+ 0x88085ae6, 0xff0f6a70, 0x66063bca, 0x11010b5c, 0x8f659eff, 0xf862ae69,
+ 0x616bffd3, 0x166ccf45, 0xa00ae278, 0xd70dd2ee, 0x4e048354, 0x3903b3c2,
+ 0xa7672661, 0xd06016f7, 0x4969474d, 0x3e6e77db, 0xaed16a4a, 0xd9d65adc,
+ 0x40df0b66, 0x37d83bf0, 0xa9bcae53, 0xdebb9ec5, 0x47b2cf7f, 0x30b5ffe9,
+ 0xbdbdf21c, 0xcabac28a, 0x53b39330, 0x24b4a3a6, 0xbad03605, 0xcdd70693,
+ 0x54de5729, 0x23d967bf, 0xb3667a2e, 0xc4614ab8, 0x5d681b02, 0x2a6f2b94,
+ 0xb40bbe37, 0xc30c8ea1, 0x5a05df1b, 0x2d02ef8d
+};
+
+static uint32_t CalcCRC32( const uint8_t *p, uint32_t size )
+{
+ uint32_t crc = ~0U;
+
+ while( size-- )
+ crc = crc32_tab[( crc ^ *p++ ) & 0xFF] ^ ( crc >> 8 );
+
+ return crc ^ ~0U;
+}
+
+
+CMostMsg::CMostMsg() : m_nIsValid( false ), m_nRefCount( 1 ), m_nFBlock( 0 ), m_nFunc( 0 ), m_nInst( 0 ),
+ m_nOpType( 0 ), m_nPayloadLen( 0 ), m_Payload( NULL ), m_nParsePos( 0 ),
+ m_nHeaderCrc( 0 ), m_nPayloadCrc( 0 )
+{
+}
+
+CMostMsg::CMostMsg( uint32_t nFBlock, uint32_t nInst, uint32_t nFunc, uint8_t nOpType, uint32_t nPayloadLen,
+ const uint8_t *Payload ) : m_nIsValid( true ), m_nRefCount( 1 ), m_Payload( NULL ),
+ m_nParsePos( 0xFFFFFFFF ), m_nHeaderCrc( 0 ), m_nPayloadCrc( 0 )
+{
+ m_nFBlock = nFBlock;
+ m_nInst = nInst;
+ m_nFunc = nFunc;
+ m_nOpType = nOpType;
+ m_nPayloadLen = nPayloadLen;
+ if( nPayloadLen > 0 )
+ {
+ m_Payload = ( uint8_t * )malloc( m_nPayloadLen );
+ if( NULL == m_Payload )
+ {
+ ConsolePrintf(
+ PRIO_ERROR, RED"CMostMsg Constructor failed to allocated %d bytes of memory"RESETCOLOR"\n", m_nPayloadLen );
+ m_nIsValid = false;
+ m_nPayloadLen = 0;
+ return;
+ }
+ memcpy( m_Payload, Payload, nPayloadLen );
+ }
+}
+
+CMostMsg::~CMostMsg()
+{
+ m_nIsValid = false;
+ m_nPayloadLen = 0;
+ if( NULL != m_Payload )
+ {
+ free( m_Payload );
+ m_Payload = NULL;
+ }
+}
+
+void CMostMsg::AddReference()
+{
+ ++m_nRefCount;
+}
+
+void CMostMsg::RemoveReference()
+{
+ if( 0 == --m_nRefCount )
+ delete this;
+}
+
+uint32_t CMostMsg::ToByteArray( uint8_t **ppBuffer )
+{
+ if( NULL == ppBuffer )
+ {
+ ConsolePrintf(
+ PRIO_ERROR, RED"CMostMsg::ToByteArray ppBuffer is NULL < %d"RESETCOLOR"\n" );
+ return 0;
+ }
+ uint32_t serializedLen = 20;
+ if( 0 != m_nPayloadLen )
+ serializedLen += m_nPayloadLen + 4; //If there is payload, it will be CRC checked
+ uint8_t *b = ( uint8_t * )malloc( serializedLen );
+ if( NULL == b )
+ {
+ ConsolePrintf(
+ PRIO_ERROR, RED"CMostMsg::ToByteArray failed to allocate %d bytes"RESETCOLOR"\n", ( m_nPayloadLen + 24 ) );
+ *ppBuffer = NULL;
+ return 0;
+ }
+ *ppBuffer = b;
+ b[0] = ( uint8_t )0x49;
+ b[1] = ( uint8_t )0x72;
+ b[2] = ( uint8_t )0x16;
+ b[3] = ( uint8_t )0x25;
+ b[4] = ( uint8_t )( m_nFBlock & 0xFF );
+ b[5] = ( uint8_t )( m_nInst & 0xFF );
+ b[6] = ( uint8_t )( ( m_nFunc >> 8 ) & 0xFF );
+ b[7] = ( uint8_t )( ( m_nFunc )&0xFF );
+ b[8] = ( uint8_t )( m_nOpType );
+ b[9] = ( uint8_t )0x0;
+ b[10] = ( uint8_t )0x0;
+ b[11] = ( uint8_t )0x0;
+ b[12] = ( uint8_t )( ( m_nPayloadLen >> 24 ) & 0xFF );
+ b[13] = ( uint8_t )( ( m_nPayloadLen >> 16 ) & 0xFF );
+ b[14] = ( uint8_t )( ( m_nPayloadLen >> 8 ) & 0xFF );
+ b[15] = ( uint8_t )( m_nPayloadLen & 0xFF );
+
+ uint32_t headerCrc = CalcCRC32( b, 16 );
+
+ b[16] = ( uint8_t )( ( headerCrc >> 24 ) & 0xFF );
+ b[17] = ( uint8_t )( ( headerCrc >> 16 ) & 0xFF );
+ b[18] = ( uint8_t )( ( headerCrc >> 8 ) & 0xFF );
+ b[19] = ( uint8_t )( headerCrc & 0xFF );
+
+ if( 0 != m_nPayloadLen )
+ {
+ for( uint32_t i = 0; i < m_nPayloadLen; i++ )
+ b[20 + i] = m_Payload[i];
+
+ uint32_t payloadCrc = CalcCRC32( &b[20], m_nPayloadLen );
+
+ b[20 + m_nPayloadLen] = ( uint8_t )( ( payloadCrc >> 24 ) & 0xFF );
+ b[21 + m_nPayloadLen] = ( uint8_t )( ( payloadCrc >> 16 ) & 0xFF );
+ b[22 + m_nPayloadLen] = ( uint8_t )( ( payloadCrc >> 8 ) & 0xFF );
+ b[23 + m_nPayloadLen] = ( uint8_t )( payloadCrc & 0xFF );
+ }
+ return serializedLen;
+}
+
+bool CMostMsg::Parse( uint8_t receivedByte )
+{
+ if( 0xFFFFFFFF == m_nParsePos )
+ {
+ ConsolePrintf(
+ PRIO_ERROR, RED"CMostMsg::Parse was called, but the parse state is invalid"RESETCOLOR"\n" );
+ return false;
+ }
+ bool valid = true;
+ if( m_nParsePos <= 19 )
+ {
+ if( m_nParsePos <= 15 )
+ m_zHeader[m_nParsePos] = receivedByte;
+
+ //Check Header
+ switch( m_nParsePos )
+ {
+ case 0:
+ if( 0x49 != receivedByte )
+ valid = false;
+ break;
+ case 1:
+ if( 0x72 != receivedByte )
+ valid = false;
+ break;
+ case 2:
+ if( 0x16 != receivedByte )
+ valid = false;
+ break;
+ case 3:
+ if( 0x25 != receivedByte )
+ valid = false;
+ break;
+ case 4:
+ m_nFBlock = receivedByte;
+ break;
+ case 5:
+ m_nInst = receivedByte;
+ break;
+ case 6:
+ m_nFunc = receivedByte << 8;
+ break;
+ case 7:
+ m_nFunc += receivedByte;
+ break;
+ case 8:
+ m_nOpType = receivedByte;
+ break;
+ case 9:
+ case 10:
+ case 11:
+ //Reserved for future use cases
+ break;
+ case 12:
+ m_nPayloadLen = receivedByte << 24;
+ break;
+ case 13:
+ m_nPayloadLen += receivedByte << 16;
+ break;
+ case 14:
+ m_nPayloadLen += receivedByte << 8;
+ break;
+ case 15:
+ m_nPayloadLen += receivedByte;
+ break;
+ case 16:
+ m_nHeaderCrc = receivedByte << 24;
+ break;
+ case 17:
+ m_nHeaderCrc += receivedByte << 16;
+ break;
+ case 18:
+ m_nHeaderCrc += receivedByte << 8;
+ break;
+ case 19:
+ m_nHeaderCrc += receivedByte;
+ if( m_nHeaderCrc == CalcCRC32( m_zHeader, 16 ) )
+ {
+ if( 0 != m_nPayloadLen )
+ {
+ //Continue to parse the payload
+ m_Payload = ( uint8_t * )malloc( m_nPayloadLen );
+ if( NULL == m_Payload )
+ {
+ ConsolePrintf(
+ PRIO_ERROR, RED"MostMsg::Protocol deserializing error, could not allocate %d bytes of memory"RESETCOLOR
+ "\n", m_nPayloadLen );
+ valid = false;
+ m_nPayloadLen = 0;
+ }
+ }
+ else
+ {
+ //No payload, we are finished
+ m_nIsValid = true;
+ m_nParsePos = 0xFFFFFFFF - 1;
+ }
+ }
+ else
+ {
+ ConsolePrintf(
+ PRIO_ERROR, RED"MostMsg::Protocol error, header CRC does not match"RESETCOLOR"\n" );
+ valid = false;
+ }
+ break;
+ }
+ }
+ else
+ {
+ if( m_nParsePos < ( m_nPayloadLen + 20 ) )
+ {
+ //Check Payload and store it
+ if( NULL != m_Payload )
+ {
+ m_Payload[m_nParsePos - 20] = receivedByte;
+ }
+ else
+ {
+ ConsolePrintf(
+ PRIO_ERROR, RED"MostMsg::Protocol deserializing error, payload buffer is NULL"RESETCOLOR"\n" );
+ valid = false;
+ m_nPayloadLen = 0;
+ }
+ }
+ else
+ {
+ //Finally check CRC of payload
+ uint32_t crcState = m_nParsePos - m_nPayloadLen - 20;
+ switch( crcState )
+ {
+ case 0:
+ m_nPayloadCrc = receivedByte << 24;
+ break;
+ case 1:
+ m_nPayloadCrc += receivedByte << 16;
+ break;
+ case 2:
+ m_nPayloadCrc += receivedByte << 8;
+ break;
+ case 3:
+ m_nPayloadCrc += receivedByte;
+ if( m_nPayloadCrc == CalcCRC32( m_Payload, m_nPayloadLen ) )
+ {
+ //Payload is successfully received
+ m_nIsValid = true;
+ m_nParsePos = 0xFFFFFFFF - 1;
+ }
+ else
+ {
+ ConsolePrintf(
+ PRIO_ERROR, RED"MostMsg::Protocol deserializing error, Payload CRC mismatch"RESETCOLOR"\n" );
+ valid = false;
+ }
+ break;
+ default:
+ ConsolePrintf(
+ PRIO_ERROR, RED"MostMsg::Protocol deserializing error, Payload CRC state is out of range"RESETCOLOR"\n" );
+ valid = false;
+ }
+ }
+ }
+
+ if( valid )
+ {
+ ++m_nParsePos;
+ }
+ else
+ {
+ ConsolePrintf(
+ PRIO_ERROR, RED"CMostMsg::Parse failed at parse position %d"RESETCOLOR"\n", m_nParsePos );
+ m_nParsePos = 0xFFFFFFFF;
+ }
+ return valid;
+}
+
+bool CMostMsg::IsValid()
+{
+ return m_nIsValid;
+}
+
+uint32_t CMostMsg::GetFBlock()
+{
+ return m_nFBlock;
+}
+
+uint32_t CMostMsg::GetFunc()
+{
+ return m_nFunc;
+}
+
+uint32_t CMostMsg::GetInst()
+{
+ return m_nInst;
+}
+
+uint8_t CMostMsg::GetOpType()
+{
+ return m_nOpType;
+}
+
+uint8_t *CMostMsg::GetPayload()
+{
+ return m_Payload;
+}
+
+uint32_t CMostMsg::GetPayloadLen()
+{
+ return m_nPayloadLen;
+}