epan/dissectors/asn1/goose/goose.cnf

   1 # goose.cnf
   2 # goose conformation file
   3
   4 #.MODULE_IMPORT
   5
   6 #.EXPORTS
   7
   8 #.PDU
   9
  10 #.NO_EMIT ONLY_VALS
  11 GOOSEpdu
  12
  13 #.FN_BODY IECGoosePdu/simulation VAL_PTR = &value
  14         bool value;
  15         uint32_t len = tvb_reported_length_remaining(tvb, offset);
  16         int origin_offset = offset;
  17 %(DEFAULT_BODY)s
  18         if((actx->private_data) && (actx->created_item)){
  19                 goose_chk_data_t *data_chk = (goose_chk_data_t *)actx->private_data;
  20                 proto_tree *expert_inf_tree = NULL;
  21                 /* S bit set and Simulation attribute clear: reject as invalid GOOSE */
  22                 if((data_chk->s_bit == true) && (value == false)){
  23                         /* It really looks better showed as a new subtree */
  24                         expert_inf_tree = proto_item_add_subtree(actx->created_item, ett_expert_inf_sim);
  25                         proto_tree_add_expert(expert_inf_tree, actx->pinfo, &ei_goose_invalid_sim, tvb, origin_offset, len);
  26                 }
  27         }
  28 #.END
  29
  30 #.FN_BODY UtcTime
  31
  32         uint32_t len;
  33         uint32_t seconds;
  34         uint32_t        fraction;
  35         uint32_t nanoseconds;
  36         nstime_t ts;
  37         char *  ptime;
  38
  39         len = tvb_reported_length_remaining(tvb, offset);
  40
  41         if(len != 8)
  42         {
  43                 proto_tree_add_expert(tree, actx->pinfo, &ei_goose_mal_utctime, tvb, offset, len);
  44                 if(hf_index > 0)
  45                 {
  46                         proto_tree_add_string(tree, hf_index, tvb, offset, len, "????");
  47                 }
  48                 return offset;
  49         }
  50
  51         seconds = tvb_get_ntohl(tvb, offset);
  52         fraction = tvb_get_ntoh24(tvb, offset+4) * 0x100; /* Only 3 bytes are recommended */
  53         nanoseconds = (uint32_t)( ((uint64_t)fraction * UINT64_C(1000000000)) / UINT64_C(0x100000000) ) ;
  54
  55         ts.secs = seconds;
  56         ts.nsecs = nanoseconds;
  57
  58         ptime = abs_time_to_str(actx->pinfo->pool, &ts, ABSOLUTE_TIME_UTC, true);
  59
  60         if(hf_index > 0)
  61         {
  62                 proto_tree_add_string(tree, hf_index, tvb, offset, len, ptime);
  63         }
  64
  65 #.END
  66
  67 #.FN_BODY FloatingPoint
  68
  69         int len = tvb_reported_length_remaining(tvb, offset);
  70
  71         %(DEFAULT_BODY)s
  72         if ((len == FLOAT_ENC_LENGTH) && (tvb_get_uint8(tvb,0) == SINGLE_FLOAT_EXP_BITS) ){
  73                 /* IEEE 754 single precision floating point */
  74                 proto_item_set_hidden(actx->created_item);
  75                 proto_tree_add_item(tree, hf_goose_float_value, tvb, 1, (FLOAT_ENC_LENGTH-1), ENC_BIG_ENDIAN);
  76         }
  77
  78 #.END
  79
  80 #.TYPE_ATTR
  81 UtcTime TYPE = FT_STRING DISPLAY = BASE_NONE
  82
  83
  84 #.FIELD_RENAME
  85 GetReferenceRequestPdu/offset getReferenceRequest_offset
  86 GSEMngtResponses/getGsReference gseMngtResponses_GetGSReference
  87 GSEMngtResponses/getGoReference gseMngtResponses_GetGOReference
  88 GSEMngtResponses/getGSSEDataOffset gseMngtResponses_GetGSSEDataOffset
  89 GSEMngtResponses/getGOOSEElementNumber gseMngtResponses_GetGOOSEElementNumber
  90
  91 #.FIELD_ATTR
  92 IECGoosePdu/stNum  TYPE = FT_UINT32  DISPLAY = BASE_DEC
  93 IECGoosePdu/sqNum  TYPE = FT_UINT32  DISPLAY = BASE_DEC
  94 GetReferenceRequestPdu/offset ABBREV=getReferenceRequest.offset
  95 IECGoosePdu/simulation BLURB = "BOOLEAN"
  96 #.END