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openairinterface5g/openair3/RAL-LTE/INTERFACE-802.21/C/MIH_C_header_codec.c
T
Lionel Gauthier 61f7b836f8 Updated for integration as tasks in oaisim executable. 
git-svn-id: http://svn.eurecom.fr/openair4G/trunk@4596 818b1a75-f10b-46b9-bf7c-635c3b92a50f
2013-12-04 17:01:22 +00:00

130 lines
8.4 KiB
C
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#define MIH_C_INTERFACE
#define MIH_C_HEADER_CODEC_C
#include "MIH_C_header_codec.h"
//-----------------------------------------------------------------------------
int MIH_C_HEADER2String(MIH_C_HEADER_T* headerP, char* bufP) {
//-----------------------------------------------------------------------------
unsigned int buffer_index = 0;
buffer_index += sprintf(&bufP[buffer_index], "HEADER.version: ");
buffer_index += MIH_C_VERSION2String(&headerP->version, &bufP[buffer_index]);
buffer_index += sprintf(&bufP[buffer_index], "\nHEADER.ack_req: ");
buffer_index += MIH_C_ACK_REQ2String(&headerP->ack_req, &bufP[buffer_index]);
buffer_index += sprintf(&bufP[buffer_index], "\nHEADER.ack_rsp: ");
buffer_index += MIH_C_ACK_RSP2String(&headerP->ack_rsp, &bufP[buffer_index]);
buffer_index += sprintf(&bufP[buffer_index], "\nHEADER.uir: ");
buffer_index += MIH_C_UIR2String(&headerP->uir, &bufP[buffer_index]);
buffer_index += sprintf(&bufP[buffer_index], "\nHEADER.more_fragment: ");
buffer_index += MIH_C_M2String(&headerP->more_fragment, &bufP[buffer_index]);
buffer_index += sprintf(&bufP[buffer_index], "\nHEADER.fragment_number: ");
buffer_index += MIH_C_FN2String(&headerP->more_fragment, &bufP[buffer_index]);
buffer_index += sprintf(&bufP[buffer_index], "\nHEADER.service_identifier: ");
buffer_index += MIH_C_SID2String(&headerP->service_identifier, &bufP[buffer_index]);
buffer_index += sprintf(&bufP[buffer_index], "\nHEADER.operation_code: ");
buffer_index += MIH_C_OPCODE2String(&headerP->operation_code, &bufP[buffer_index]);
buffer_index += sprintf(&bufP[buffer_index], "\nHEADER.action_identifier: ");
buffer_index += MIH_C_AID2String(&headerP->action_identifier, &bufP[buffer_index]);
buffer_index += sprintf(&bufP[buffer_index], "\nHEADER.transaction_id: ");
buffer_index += MIH_C_TRANSACTION_ID2String(&headerP->transaction_id, &bufP[buffer_index]);
buffer_index += sprintf(&bufP[buffer_index], "\nHEADER.payload_length: ");
buffer_index += MIH_C_VARIABLE_PAYLOAD_LENGTH2String(&headerP->payload_length, &bufP[buffer_index]);
buffer_index += sprintf(&bufP[buffer_index], "\n");
return buffer_index;
}
//-----------------------------------------------------------------------------
int MIH_C_Link_Header_Encode(Bit_Buffer_t* bbP, MIH_C_HEADER_T* headerP) {
//-----------------------------------------------------------------------------
u_int8_t reserved = 0;
int status ;
if ((bbP != NULL) && (headerP != NULL)) {
status = MIH_HEADER_ENCODE_OK;
BitBuffer_write8b (bbP, headerP->version, 4);
BitBuffer_writeBool (bbP, headerP->ack_req);
BitBuffer_writeBool (bbP, headerP->ack_rsp);
BitBuffer_writeBool (bbP, headerP->uir);
BitBuffer_writeBool (bbP, headerP->more_fragment);
BitBuffer_write8b (bbP, headerP->fragment_number, 7);
BitBuffer_writeBool (bbP, reserved);
BitBuffer_write8b (bbP, headerP->service_identifier, 4);
BitBuffer_write8b (bbP, headerP->operation_code, 2);
BitBuffer_write16b (bbP, headerP->action_identifier, 10);
BitBuffer_write8b (bbP, reserved, 4);
BitBuffer_write16b (bbP, headerP->transaction_id, 12);
BitBuffer_write16 (bbP, headerP->payload_length);
/*DEBUG_ENCODE("%s: version 0x%02X\n", __FUNCTION__, headerP->version);
DEBUG_ENCODE("%s: ack_req 0x%02X\n", __FUNCTION__, headerP->ack_req);
DEBUG_ENCODE("%s: ack_rsp 0x%02X\n", __FUNCTION__, headerP->ack_rsp);
DEBUG_ENCODE("%s: uir 0x%02X\n", __FUNCTION__, headerP->uir);
DEBUG_ENCODE("%s: more_fragment 0x%02X\n", __FUNCTION__, headerP->more_fragment);
DEBUG_ENCODE("%s: reserved 0x%02X\n", __FUNCTION__, reserved);
DEBUG_ENCODE("%s: service_identifier 0x%02X\n", __FUNCTION__, headerP->service_identifier);
DEBUG_ENCODE("%s: operation_code 0x%02X\n", __FUNCTION__, headerP->operation_code);
DEBUG_ENCODE("%s: action_identifier 0x%04X\n", __FUNCTION__, headerP->action_identifier);
DEBUG_ENCODE("%s: reserved 0x%02X\n", __FUNCTION__, reserved);
DEBUG_ENCODE("%s: transaction_id 0x%04X\n", __FUNCTION__, headerP->transaction_id);
DEBUG_ENCODE("%s: payload_length 0x%02X\n", __FUNCTION__, headerP->payload_length);*/
// may be check for validity of header field -> set MIH_HEADER_DECODE_FAILURE
if (BitBuffer_isCheckWriteOverflowOK(bbP, 0) == BIT_BUFFER_FALSE) {
memset(headerP, 0, sizeof(MIH_C_HEADER_T));
return MIH_HEADER_ENCODE_TOO_SHORT;
} else if (status == MIH_HEADER_ENCODE_FAILURE) {
memset(headerP, 0, sizeof(MIH_C_HEADER_T));
return MIH_HEADER_ENCODE_FAILURE;
} else {
return MIH_HEADER_ENCODE_OK;
}
} else {
memset(headerP, 0, sizeof(MIH_C_HEADER_T));
return MIH_HEADER_ENCODE_BAD_PARAMETER;
}
}
//-----------------------------------------------------------------------------
int MIH_C_Link_Header_Decode(Bit_Buffer_t* bbP, MIH_C_HEADER_T* headerP) {
//-----------------------------------------------------------------------------
u_int8_t reserved ;
int status ;
if ((bbP != NULL) && (headerP != NULL)) {
status = MIH_HEADER_DECODE_OK;
headerP->version = (MIH_C_VERSION_T)BitBuffer_read(bbP, 4);
headerP->ack_req = (MIH_C_ACK_REQ_T)BitBuffer_readBool(bbP);
headerP->ack_rsp = (MIH_C_ACK_RSP_T)BitBuffer_readBool(bbP);
headerP->uir = (MIH_C_UIR_T)BitBuffer_readBool(bbP);
headerP->more_fragment = (MIH_C_M_T)BitBuffer_readBool(bbP);
headerP->fragment_number = (MIH_C_FN_T)BitBuffer_read(bbP, 7);
reserved = BitBuffer_readBool(bbP);
headerP->service_identifier = (MIH_C_SID_T) BitBuffer_read(bbP, 4);
headerP->operation_code = (MIH_C_OPCODE_T) BitBuffer_read(bbP, 2);
headerP->action_identifier = (MIH_C_AID_T) BitBuffer_read(bbP, 10);
reserved = BitBuffer_read(bbP, 4);
headerP->transaction_id = (MIH_C_TRANSACTION_ID_T) BitBuffer_read(bbP, 12);
headerP->payload_length = (MIH_C_VARIABLE_PAYLOAD_LENGTH_T)BitBuffer_read16(bbP);
/*DEBUG_DECODE("%s: version 0x%02X\n", __FUNCTION__, headerP->version);
DEBUG_DECODE("%s: ack_req 0x%02X\n", __FUNCTION__, headerP->ack_req);
DEBUG_DECODE("%s: ack_rsp 0x%02X\n", __FUNCTION__, headerP->ack_rsp);
DEBUG_DECODE("%s: uir 0x%02X\n", __FUNCTION__, headerP->uir);
DEBUG_DECODE("%s: more_fragment 0x%02X\n", __FUNCTION__, headerP->more_fragment);
DEBUG_DECODE("%s: reserved 0x%02X\n", __FUNCTION__, reserved);
DEBUG_DECODE("%s: service_identifier 0x%02X\n", __FUNCTION__, headerP->service_identifier);
DEBUG_DECODE("%s: operation_code 0x%02X\n", __FUNCTION__, headerP->operation_code);
DEBUG_DECODE("%s: action_identifier 0x%04X\n", __FUNCTION__, headerP->action_identifier);
DEBUG_DECODE("%s: reserved 0x%02X\n", __FUNCTION__, reserved);
DEBUG_DECODE("%s: transaction_id 0x%04X\n", __FUNCTION__, headerP->transaction_id);
DEBUG_DECODE("%s: payload_length 0x%02X\n", __FUNCTION__, headerP->payload_length);*/
// may be check for validity of header field -> set MIH_HEADER_DECODE_FAILURE
if (BitBuffer_isCheckReadOverflowOK(bbP, 0) == BIT_BUFFER_FALSE) {
memset(headerP, 0, sizeof(MIH_C_HEADER_T));
return MIH_HEADER_DECODE_TOO_SHORT;
} else if (status == MIH_HEADER_DECODE_FAILURE) {
memset(headerP, 0, sizeof(MIH_C_HEADER_T));
return MIH_HEADER_DECODE_FAILURE;
} else {
return MIH_HEADER_DECODE_OK;
}
} else {
memset(headerP, 0, sizeof(MIH_C_HEADER_T));
return MIH_HEADER_DECODE_BAD_PARAMETER;
}
}
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