106 lines
4.4 KiB
C
106 lines
4.4 KiB
C
/*******************************************************************************
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OpenAirInterface
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Copyright(c) 1999 - 2014 Eurecom
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OpenAirInterface is free software: you can redistribute it and/or modify
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it under the terms of the GNU General Public License as published by
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the Free Software Foundation, either version 3 of the License, or
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(at your option) any later version.
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OpenAirInterface 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
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GNU General Public License for more details.
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You should have received a copy of the GNU General Public License
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along with OpenAirInterface.The full GNU General Public License is
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included in this distribution in the file called "COPYING". If not,
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see <http://www.gnu.org/licenses/>.
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Contact Information
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OpenAirInterface Admin: openair_admin@eurecom.fr
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OpenAirInterface Tech : openair_tech@eurecom.fr
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OpenAirInterface Dev : openair4g-devel@eurecom.fr
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Address : Eurecom, Compus SophiaTech 450, route des chappes, 06451 Biot, France.
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*******************************************************************************/
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#ifndef TLV_ENCODER_H_
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#define TLV_ENCODER_H_
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#include <arpa/inet.h> // htonl, htons
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#define ENCODE_U8(buffer, value, size) \
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*(uint8_t*)(buffer) = value; \
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size += sizeof(uint8_t)
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#define ENCODE_U16(buffer, value, size) \
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*(uint16_t*)(buffer) = htons(value); \
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size += sizeof(uint16_t)
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#define ENCODE_U24(buffer, value, size) \
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*(uint32_t*)(buffer) = htonl(value); \
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size += sizeof(uint8_t) + sizeof(uint16_t)
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#define ENCODE_U32(buffer, value, size) \
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*(uint32_t*)(buffer) = htonl(value); \
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size += sizeof(uint32_t)
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#define IES_ENCODE_U8(buffer, encoded, value) \
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ENCODE_U8(buffer + encoded, value, encoded)
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#define IES_ENCODE_U16(buffer, encoded, value) \
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ENCODE_U16(buffer + encoded, value, encoded)
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#define IES_ENCODE_U24(buffer, encoded, value) \
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ENCODE_U24(buffer + encoded, value, encoded)
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#define IES_ENCODE_U32(buffer, encoded, value) \
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ENCODE_U32(buffer + encoded, value, encoded)
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typedef enum {
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TLV_ENCODE_ERROR_OK = 0,
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TLV_ENCODE_VALUE_DOESNT_MATCH = -1,
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/* Fatal errors - message should not be sent */
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TLV_ENCODE_OCTET_STRING_TOO_LONG_FOR_IEI = -10,
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TLV_ENCODE_WRONG_MESSAGE_TYPE = -11,
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TLV_ENCODE_PROTOCOL_NOT_SUPPORTED = -12,
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TLV_ENCODE_BUFFER_TOO_SHORT = -13,
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TLV_ENCODE_BUFFER_NULL = -14,
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} tlv_encoder_error_code;
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/* Defines error code limit below which message should be sent because
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* it cannot be further processed */
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#define TLV_ENCODE_FATAL_ERROR (TLV_ENCODE_VALUE_DOESNT_MATCH)
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extern int errorCodeEncoder;
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void tlv_encode_perror(void);
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#define CHECK_PDU_POINTER_AND_LENGTH_ENCODER(bUFFER, mINIMUMlENGTH, lENGTH) \
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if (bUFFER == NULL) \
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{ \
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printf("Got NULL pointer for the payload\n"); \
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errorCodeEncoder = TLV_ENCODE_BUFFER_NULL; \
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return TLV_ENCODE_BUFFER_NULL; \
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} \
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if (lENGTH < mINIMUMlENGTH) \
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{ \
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printf("(%s:%d) Expecting at least %d bytes, got %d\n", \
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__FILE__, __LINE__, mINIMUMlENGTH, lENGTH); \
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errorCodeEncoder = TLV_ENCODE_BUFFER_TOO_SHORT; \
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return TLV_ENCODE_BUFFER_TOO_SHORT; \
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}
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#define CHECK_PDU_POINTER_ENCODER(bUFFER) \
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if (bUFFER == NULL) \
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{ \
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printf("Got NULL pointer for the payload\n"); \
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errorCodeEncoder = TLV_ENCODE_BUFFER_NULL; \
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return TLV_ENCODE_BUFFER_NULL; \
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}
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#endif /* define (TLV_ENCODER_H_) */
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