diff options
| author | morriss <morriss@f5534014-38df-0310-8fa8-9805f1628bb7> | 2009-06-02 15:34:17 +0000 |
|---|---|---|
| committer | morriss <morriss@f5534014-38df-0310-8fa8-9805f1628bb7> | 2009-06-02 15:34:17 +0000 |
| commit | 0bc4c14a35ec25f1de373719188e62538576c2ff (patch) | |
| tree | d683e48ef477775663d26843419e8375c9ed6636 /epan/dissectors/packet-sua.c | |
| parent | e9184a4035de640bf979bbec42b21160a0df8c14 (diff) | |
Decode SCCP cause values in SUA (using value_strings exported from the SCCP
dissector).
git-svn-id: http://anonsvn.wireshark.org/wireshark/trunk@28599 f5534014-38df-0310-8fa8-9805f1628bb7
Diffstat (limited to 'epan/dissectors/packet-sua.c')
| -rw-r--r-- | epan/dissectors/packet-sua.c | 48 |
1 files changed, 40 insertions, 8 deletions
diff --git a/epan/dissectors/packet-sua.c b/epan/dissectors/packet-sua.c index 59040e3290..b1e4a1a454 100644 --- a/epan/dissectors/packet-sua.c +++ b/epan/dissectors/packet-sua.c @@ -791,22 +791,54 @@ dissect_destination_reference_number_parameter(tvbuff_t *parameter_tvb, proto_tr #define CAUSE_TYPE_OFFSET (PARAMETER_VALUE_OFFSET + RESERVED_2_LENGTH) #define CAUSE_VALUE_OFFSET (CAUSE_TYPE_OFFSET + CAUSE_TYPE_LENGTH) +#define CAUSE_TYPE_RETURN 0x1 +#define CAUSE_TYPE_REFUSAL 0x2 +#define CAUSE_TYPE_RELEASE 0x3 +#define CAUSE_TYPE_RESET 0x4 +#define CAUSE_TYPE_ERROR 0x5 static const value_string cause_type_values[] = { - { 0x1, "Return Cause" }, - { 0x2, "Refusal Cause" }, - { 0x3, "Release Cause" }, - { 0x4, "Reset Cause" }, - { 0x5, "Error cause" }, - { 0, NULL } }; + { CAUSE_TYPE_RETURN, "Return Cause" }, + { CAUSE_TYPE_REFUSAL, "Refusal Cause" }, + { CAUSE_TYPE_RELEASE, "Release Cause" }, + { CAUSE_TYPE_RESET, "Reset Cause" }, + { CAUSE_TYPE_ERROR, "Error cause" }, + { 0, NULL } }; static void dissect_sccp_cause_parameter(tvbuff_t *parameter_tvb, proto_tree *parameter_tree, proto_item *parameter_item) { + guint8 cause_type, cause; + proto_item *pi; + const gchar *cause_string; + proto_tree_add_item(parameter_tree, hf_cause_reserved, parameter_tvb, PARAMETER_VALUE_OFFSET, RESERVED_2_LENGTH, NETWORK_BYTE_ORDER); proto_tree_add_item(parameter_tree, hf_cause_type, parameter_tvb, CAUSE_TYPE_OFFSET, CAUSE_TYPE_LENGTH, NETWORK_BYTE_ORDER); - proto_tree_add_item(parameter_tree, hf_cause_value, parameter_tvb, CAUSE_VALUE_OFFSET, CAUSE_VALUE_LENGTH, NETWORK_BYTE_ORDER); + cause_type = tvb_get_guint8(parameter_tvb, CAUSE_TYPE_OFFSET); + pi = proto_tree_add_item(parameter_tree, hf_cause_value, parameter_tvb, CAUSE_VALUE_OFFSET, CAUSE_VALUE_LENGTH, NETWORK_BYTE_ORDER); + cause = tvb_get_guint8(parameter_tvb, CAUSE_VALUE_OFFSET); + + switch (cause_type) { + case CAUSE_TYPE_RETURN: + cause_string = val_to_str(cause, sccp_return_cause_values, "unknown"); + break; + case CAUSE_TYPE_REFUSAL: + cause_string = val_to_str(cause, sccp_refusal_cause_values, "unknown"); + break; + case CAUSE_TYPE_RELEASE: + cause_string = val_to_str(cause, sccp_release_cause_values, "unknown"); + break; + case CAUSE_TYPE_RESET: + cause_string = val_to_str(cause, sccp_reset_cause_values, "unknown"); + break; + case CAUSE_TYPE_ERROR: + cause_string = val_to_str(cause, sccp_error_cause_values, "unknown"); + break; + default: + cause_string = "unknown"; + } - proto_item_append_text(parameter_item, " (%s)", val_to_str(tvb_get_guint8(parameter_tvb, CAUSE_TYPE_OFFSET), cause_type_values, "unknown")); + proto_item_append_text(pi, " (%s)", cause_string); + proto_item_append_text(parameter_item, " (%s: %s)", val_to_str(cause_type, cause_type_values, "unknown"), cause_string); } #define SEQUENCE_NUMBER_REC_SEQ_LENGTH 1 |