/*
 * Copyright (C) 2017, University of the Basque Country (UPV/EHU)
 * Contact for licensing options: <licensing-mcpttclient(at)mcopenplatform(dot)com>
 *
 * The original file was part of Open Source Doubango Framework
 * Copyright (C) 2010-2011 Mamadou Diop.
 * Copyright (C) 2012 Doubango Telecom <http://doubango.org>
 *
 * This file is part of Open Source Doubango Framework.
 *
 * DOUBANGO 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.
 *
 * DOUBANGO 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 DOUBANGO.
 *
 */
 
 /**@file tcomp_nack_codes.h
  * @brief List of NACK codes as per RFC 4077 subclause 3.2.
  *
  */
 
 #ifndef TCOMP_NACKCODES_H
 #define TCOMP_NACKCODES_H
 
 /*  0   1   2   3   4   5   6   7
     +---+---+---+---+---+---+---+---+
     | 1   1   1   1   1 | T |   0   |
     +---+---+---+---+---+---+---+---+
     |                               |
     :    returned feedback item     :
     |                               |
     +---+---+---+---+---+---+---+---+
     |         code_len = 0          |
     +---+---+---+---+---+---+---+---+
     | code_len = 0  |  version = 1  |
     +---+---+---+---+---+---+---+---+
     |          Reason Code          |
     +---+---+---+---+---+---+---+---+
     |  OPCODE of failed instruction |
     +---+---+---+---+---+---+---+---+
     |   PC of failed instruction    |
     |                               |
     +---+---+---+---+---+---+---+---+
     |                               |
     : SHA-1 Hash of failed message  :
     |                               |
     +---+---+---+---+---+---+---+---+
     |                               |
     :         Error Details         :
     |                               |
     +---+---+---+---+---+---+---+---+
 */
 #define INDEX_NACK_HEADER		0
 #define INDEX_NACK_VERSION		(INDEX_NACK_HEADER+ 2)
 #define INDEX_NACK_REASON_CODE	(INDEX_NACK_VERSION + 1)
 #define INDEX_NACK_OPCODE		(INDEX_NACK_REASON_CODE + 1)
 #define INDEX_NACK_PC			(INDEX_NACK_OPCODE + 1)
 #define INDEX_NACK_SHA1			(INDEX_NACK_PC + 2)
 #define INDEX_NACK_DETAILS		(INDEX_NACK_PC + SHA1HashSize)
 
 /************************************************************************************
 * Error								       code							details
 *************************************************************************************/
 #define NACK_NONE							0				// For internal use only
 #define NACK_STATE_NOT_FOUND				1				// State ID (6 - 20 bytes)
 #define NACK_CYCLES_EXHAUSTED			    2				// Cycles Per Bit (1 byte)
 #define NACK_USER_REQUESTED					3
 #define NACK_SEGFAULT						4
 #define NACK_TOO_MANY_STATE_REQUESTS		5
 #define NACK_INVALID_STATE_ID_LENGTH		6
 #define NACK_INVALID_STATE_PRIORITY			7
 #define NACK_OUTPUT_OVERFLOW				8
 #define NACK_STACK_UNDERFLOW				9
 #define NACK_BAD_INPUT_BITORDER				10
 #define NACK_DIV_BY_ZERO					11
 #define NACK_SWITCH_VALUE_TOO_HIGH			12
 #define NACK_TOO_MANY_BITS_REQUESTED		13
 #define NACK_INVALID_OPERAND				14
 #define NACK_HUFFMAN_NO_MATCH				15
 #define NACK_MESSAGE_TOO_SHORT				16
 #define NACK_INVALID_CODE_LOCATION			17
 #define NACK_BYTECODES_TOO_LARGE			18				// Memory size (2 bytes)
 #define NACK_INVALID_OPCODE					19
 #define NACK_INVALID_STATE_PROBE			20
 #define NACK_ID_NOT_UNIQUE					21				// State ID (6 - 20 bytes)
 #define NACK_MULTILOAD_OVERWRITTEN			22
 #define NACK_STATE_TOO_SHORT				23				// State ID (6 - 20 bytes)
 #define NACK_INTERNAL_ERROR					24
 #define NACK_FRAMING_ERROR					25
 
 
 typedef struct tcomp_nack_desc_s
 {
 	int32_t code;
 	const char* desc;
 }
 tcomp_nack_desc_t;
 
 static const tcomp_nack_desc_t TCOMP_NACK_DESCRIPTIONS[] =
 {
 	{ NACK_NONE, "NONE" },
 	{ NACK_STATE_NOT_FOUND, "STATE_NOT_FOUND" },
 	{ NACK_CYCLES_EXHAUSTED, "CYCLES_EXHAUSTED" },
 	{ NACK_USER_REQUESTED, "USER_REQUESTED" },
 	{ NACK_SEGFAULT, "SEGFAULT" },
 	{ NACK_TOO_MANY_STATE_REQUESTS, "TOO_MANY_STATE_REQUESTS" },
 	{ NACK_INVALID_STATE_ID_LENGTH, "INVALID_STATE_ID_LENGTH" },
 	{ NACK_INVALID_STATE_PRIORITY, "INVALID_STATE_PRIORITY" },
 	{ NACK_OUTPUT_OVERFLOW, "OUTPUT_OVERFLOW" },
 	{ NACK_STACK_UNDERFLOW, "STACK_UNDERFLOW" },
 	{ NACK_BAD_INPUT_BITORDER, "BAD_INPUT_BITORDER" },
 	{ NACK_DIV_BY_ZERO, "DIV_BY_ZERO" },
 	{ NACK_SWITCH_VALUE_TOO_HIGH, "SWITCH_VALUE_TOO_HIGH" },
 	{ NACK_TOO_MANY_BITS_REQUESTED, "TOO_MANY_BITS_REQUESTED" },
 	{ NACK_INVALID_OPERAND, "INVALID_OPERAND" },
 	{ NACK_HUFFMAN_NO_MATCH, "HUFFMAN_NO_MATCH" },
 	{ NACK_MESSAGE_TOO_SHORT, "MESSAGE_TOO_SHORT" },
 	{ NACK_INVALID_CODE_LOCATION, "INVALID_CODE_LOCATION" },
 	{ NACK_BYTECODES_TOO_LARGE, "BYTECODES_TOO_LARGE" },
 	{ NACK_INVALID_OPCODE, "INVALID_OPCODE" },
 	{ NACK_INVALID_STATE_PROBE, "INVALID_STATE_PROBE" },
 	{ NACK_ID_NOT_UNIQUE, "ID_NOT_UNIQUE" },
 	{ NACK_MULTILOAD_OVERWRITTEN, "MULTILOAD_OVERWRITTEN" },
 	{ NACK_STATE_TOO_SHORT, "STATE_TOO_SHORT" },
 	{ NACK_INTERNAL_ERROR, "INTERNAL_ERROR" },
 	{ NACK_FRAMING_ERROR, "FRAMING_ERROR" }
 };
 
 #endif /* TCOMP_NACKCODES_H */