67 lines
1.9 KiB
C
67 lines
1.9 KiB
C
#include <stdio.h>
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#include <stdlib.h>
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#include <stdint.h>
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#include "TLVEncoder.h"
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#include "TLVDecoder.h"
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#include "AccessPointName.h"
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int decode_access_point_name(AccessPointName *accesspointname, uint8_t iei, uint8_t *buffer, uint32_t len)
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{
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int decoded = 0;
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uint8_t ielen = 0;
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int decode_result;
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if (iei > 0)
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{
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CHECK_IEI_DECODER(iei, *buffer);
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decoded++;
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}
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ielen = *(buffer + decoded);
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decoded++;
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CHECK_LENGTH_DECODER(len - decoded, ielen);
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if ((decode_result = decode_octet_string(&accesspointname->accesspointnamevalue, ielen, buffer + decoded, len - decoded)) < 0)
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return decode_result;
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else
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decoded += decode_result;
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#if defined (NAS_DEBUG)
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dump_access_point_name_xml(accesspointname, iei);
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#endif
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return decoded;
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}
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int encode_access_point_name(AccessPointName *accesspointname, uint8_t iei, uint8_t *buffer, uint32_t len)
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{
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uint8_t *lenPtr;
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uint32_t encoded = 0;
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int encode_result;
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/* Checking IEI and pointer */
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CHECK_PDU_POINTER_AND_LENGTH_ENCODER(buffer, ACCESS_POINT_NAME_MINIMUM_LENGTH, len);
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#if defined (NAS_DEBUG)
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dump_access_point_name_xml(accesspointname, iei);
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#endif
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if (iei > 0)
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{
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*buffer = iei;
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encoded++;
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}
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lenPtr = (buffer + encoded);
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encoded ++;
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if ((encode_result = encode_octet_string(&accesspointname->accesspointnamevalue, buffer + encoded, len - encoded)) < 0)
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return encode_result;
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else
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encoded += encode_result;
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*lenPtr = encoded - 1 - ((iei > 0) ? 1 : 0);
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return encoded;
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}
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void dump_access_point_name_xml(AccessPointName *accesspointname, uint8_t iei)
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{
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printf("<Access Point Name>\n");
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if (iei > 0)
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/* Don't display IEI if = 0 */
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printf(" <IEI>0x%X</IEI>\n", iei);
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dump_octet_string_xml(&accesspointname->accesspointnamevalue);
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printf("</Access Point Name>\n");
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}
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