Constify a character array;
Add forward declarations for proto_register_...() & proto_reg_hand_off_...(); Remove a boilerpalte comment; Tweak some whitespace; Add editor modelines. svn path=/trunk/; revision=53359
This commit is contained in:
Bill Meier
parent
d973799957
commit
3e5b82ddcc
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@ -72,7 +72,7 @@ static const value_string message_types_val[] = {
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{ 0, NULL }
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};
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static char chix_msg[] = "apex";
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static const char chix_msg[] = "apex";
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static const value_string system_event_val[] = {
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{ 'O', "Start of Messages" },
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@ -153,12 +153,12 @@ static int
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order_ref_number(tvbuff_t *tvb, packet_info *pinfo, proto_tree *nasdaq_itch_tree, int offset)
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{
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const char *str_value = tvb_get_string(wmem_packet_scope(), tvb, offset, 9);
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guint32 value = (guint32)strtoul(str_value, NULL, 10);
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guint32 value = (guint32)strtoul(str_value, NULL, 10);
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proto_tree_add_uint(nasdaq_itch_tree, hf_nasdaq_itch_order_reference, tvb, offset, 9, value);
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col_append_fstr(pinfo->cinfo, COL_INFO, "%u ", value);
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return offset+9;
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return offset + 9;
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}
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/* -------------------------- */
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@ -167,8 +167,8 @@ time_stamp(tvbuff_t *tvb, proto_tree *nasdaq_itch_tree, int id, int offset, int
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{
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if (nasdaq_itch_tree) {
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guint32 ms, val;
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const char *display = "";
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guint32 ms, val;
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const char *display = "";
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const char *str_value = tvb_get_string(wmem_packet_scope(), tvb, offset, size);
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ms = val = (guint32)strtoul(str_value, NULL, 10);
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@ -185,14 +185,14 @@ time_stamp(tvbuff_t *tvb, proto_tree *nasdaq_itch_tree, int id, int offset, int
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}
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proto_tree_add_uint_format_value(nasdaq_itch_tree, id, tvb, offset, size, val, "%s", display);
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}
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return offset+size;
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return offset + size;
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}
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/* -------------------------- */
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static int
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number_of_shares(tvbuff_t *tvb, packet_info *pinfo, proto_tree *nasdaq_itch_tree, int id, int offset, int big)
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{
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gint size = (big)?10:6;
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gint size = (big) ? 10 : 6;
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const char *str_value = tvb_get_string(wmem_packet_scope(), tvb, offset, size);
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guint32 value = (guint32)strtoul(str_value, NULL, 10);
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@ -200,22 +200,22 @@ number_of_shares(tvbuff_t *tvb, packet_info *pinfo, proto_tree *nasdaq_itch_tree
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proto_tree_add_uint(nasdaq_itch_tree, id, tvb, offset, size, value);
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col_append_fstr(pinfo->cinfo, COL_INFO, "qty %u ", value);
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return offset +size;
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return offset + size;
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}
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/* -------------------------- */
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static int
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price(tvbuff_t *tvb, packet_info *pinfo, proto_tree *nasdaq_itch_tree, int id, int offset, int big)
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{
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gint size = (big)?19:10;
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gint size = (big) ? 19 : 10;
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const char *str_value = tvb_get_string(wmem_packet_scope(), tvb, offset, size);
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gdouble value = guint64_to_gdouble(g_ascii_strtoull(str_value, NULL, 10))/((big)?1000000.0:10000.0);
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gdouble value = guint64_to_gdouble(g_ascii_strtoull(str_value, NULL, 10))/((big)?1000000.0:10000.0);
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proto_tree_add_double(nasdaq_itch_tree, id, tvb, offset, size, value);
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col_append_fstr(pinfo->cinfo, COL_INFO, "price %g ", value);
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return offset+size;
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return offset + size;
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}
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/* -------------------------- */
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@ -227,7 +227,7 @@ stock(tvbuff_t *tvb, packet_info *pinfo, proto_tree *nasdaq_itch_tree, int offse
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proto_tree_add_item(nasdaq_itch_tree, hf_nasdaq_itch_stock, tvb, offset, 6, ENC_ASCII|ENC_NA);
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col_append_fstr(pinfo->cinfo, COL_INFO, "<%s> ", stock_p);
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return offset+6;
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return offset + 6;
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}
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/* -------------------------- */
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@ -269,181 +269,184 @@ executed(tvbuff_t *tvb, packet_info *pinfo, proto_tree *nasdaq_itch_tree, int of
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static void
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dissect_nasdaq_itch(tvbuff_t *tvb, packet_info *pinfo, proto_tree *tree)
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{
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proto_item *ti;
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proto_tree *nasdaq_itch_tree = NULL;
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guint8 nasdaq_itch_type;
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int offset = 0;
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int version = 3;
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int big = 0;
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const gchar *rep;
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proto_item *ti;
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proto_tree *nasdaq_itch_tree = NULL;
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guint8 nasdaq_itch_type;
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int offset = 0;
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int version = 3;
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int big = 0;
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const gchar *rep;
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col_set_str(pinfo->cinfo, COL_PROTOCOL, "Nasdaq-ITCH");
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col_set_str(pinfo->cinfo, COL_PROTOCOL, "Nasdaq-ITCH");
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nasdaq_itch_type = tvb_get_guint8(tvb, offset);
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if (nasdaq_itch_type >= '0' && nasdaq_itch_type <= '9') {
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version = 2;
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nasdaq_itch_type = tvb_get_guint8(tvb, offset +8);
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}
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nasdaq_itch_type = tvb_get_guint8(tvb, offset);
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if (nasdaq_itch_type >= '0' && nasdaq_itch_type <= '9') {
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version = 2;
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nasdaq_itch_type = tvb_get_guint8(tvb, offset +8);
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}
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if ((!nasdaq_itch_chi_x || version == 3) && strchr(chix_msg, nasdaq_itch_type)) {
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nasdaq_itch_type = 0; /* unknown */
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}
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if ((!nasdaq_itch_chi_x || version == 3) && strchr(chix_msg, nasdaq_itch_type)) {
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nasdaq_itch_type = 0; /* unknown */
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}
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rep = val_to_str(nasdaq_itch_type, message_types_val, "Unknown packet type (0x%02x) ");
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col_add_str(pinfo->cinfo, COL_INFO, rep);
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rep = val_to_str(nasdaq_itch_type, message_types_val, "Unknown packet type (0x%02x) ");
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col_add_str(pinfo->cinfo, COL_INFO, rep);
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if (tree) {
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proto_item *item;
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if (tree) {
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proto_item *item;
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ti = proto_tree_add_protocol_format(tree, proto_nasdaq_itch, tvb, offset, -1, "Nasdaq TotalView-ITCH %s, %s",
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version == 2?"2.0":"3.0", rep);
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ti = proto_tree_add_protocol_format(tree, proto_nasdaq_itch, tvb, offset, -1, "Nasdaq TotalView-ITCH %s, %s",
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version == 2?"2.0":"3.0", rep);
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nasdaq_itch_tree = proto_item_add_subtree(ti, ett_nasdaq_itch);
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nasdaq_itch_tree = proto_item_add_subtree(ti, ett_nasdaq_itch);
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item=proto_tree_add_uint(nasdaq_itch_tree, hf_nasdaq_itch_version, tvb, 0, 0, version);
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PROTO_ITEM_SET_GENERATED(item);
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}
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item = proto_tree_add_uint(nasdaq_itch_tree, hf_nasdaq_itch_version, tvb, 0, 0, version);
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PROTO_ITEM_SET_GENERATED(item);
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}
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if (version == 2) {
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offset = time_stamp (tvb, nasdaq_itch_tree, hf_nasdaq_itch_millisecond, offset, 8);
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}
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if (version == 2) {
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offset = time_stamp (tvb, nasdaq_itch_tree, hf_nasdaq_itch_millisecond, offset, 8);
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}
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proto_tree_add_item(nasdaq_itch_tree, hf_nasdaq_itch_message_type, tvb, offset, 1, ENC_BIG_ENDIAN);
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offset++;
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if (version == 3) {
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switch (nasdaq_itch_type) {
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case 'T': /* seconds */
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/*offset =*/ time_stamp (tvb, nasdaq_itch_tree, hf_nasdaq_itch_second, offset, 5);
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return;
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case 'M': /* milliseconds */
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/*offset =*/ time_stamp (tvb, nasdaq_itch_tree, hf_nasdaq_itch_millisecond, offset, 3);
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return;
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}
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}
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proto_tree_add_item(nasdaq_itch_tree, hf_nasdaq_itch_message_type, tvb, offset, 1, ENC_BIG_ENDIAN);
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offset += 1;
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if (version == 3) {
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switch (nasdaq_itch_type) {
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case 'S': /* system event */
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proto_tree_add_item(nasdaq_itch_tree, hf_nasdaq_itch_system_event, tvb, offset, 1, ENC_BIG_ENDIAN);
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offset++;
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break;
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case 'T': /* seconds */
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/*offset =*/ time_stamp (tvb, nasdaq_itch_tree, hf_nasdaq_itch_second, offset, 5);
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return;
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case 'R': /* Stock Directory */
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offset = stock(tvb, pinfo, nasdaq_itch_tree, offset);
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proto_tree_add_item(nasdaq_itch_tree, hf_nasdaq_itch_market_category, tvb, offset, 1, ENC_BIG_ENDIAN);
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offset += 1;
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proto_tree_add_item(nasdaq_itch_tree, hf_nasdaq_itch_financial_status, tvb, offset, 1, ENC_BIG_ENDIAN);
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offset += 1;
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proto_tree_add_item(nasdaq_itch_tree, hf_nasdaq_itch_round_lot_size, tvb, offset, 6, ENC_ASCII|ENC_NA);
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offset += 6;
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proto_tree_add_item(nasdaq_itch_tree, hf_nasdaq_itch_round_lots_only, tvb, offset, 1, ENC_BIG_ENDIAN);
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/*offset += 1;*/
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break;
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case 'H': /* Stock trading action */
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offset = stock(tvb, pinfo, nasdaq_itch_tree, offset);
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proto_tree_add_item(nasdaq_itch_tree, hf_nasdaq_itch_trading_state, tvb, offset, 1, ENC_ASCII|ENC_NA);
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offset += 1;
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proto_tree_add_item(nasdaq_itch_tree, hf_nasdaq_itch_reserved, tvb, offset, 1, ENC_ASCII|ENC_NA);
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offset += 1;
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proto_tree_add_item(nasdaq_itch_tree, hf_nasdaq_itch_reason, tvb, offset, 4, ENC_ASCII|ENC_NA);
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/*offset += 4;*/
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break;
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case 'a' :
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big = 1;
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case 'A': /* Add order, no MPID */
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offset = order(tvb, pinfo, nasdaq_itch_tree, offset, big);
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if (version == 2) {
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proto_tree_add_item(nasdaq_itch_tree, hf_nasdaq_itch_printable, tvb, offset, 1, ENC_ASCII|ENC_NA);
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/*offset += 1;*/
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}
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break;
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case 'F': /* Add order, MPID */
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offset = order(tvb, pinfo, nasdaq_itch_tree, offset, big);
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proto_tree_add_item(nasdaq_itch_tree, hf_nasdaq_itch_attribution, tvb, offset, 4, ENC_ASCII|ENC_NA);
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/*offset += 4;*/
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break;
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case 'e' :
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big = 1;
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case 'E' : /* Order executed */
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/*offset =*/ executed(tvb, pinfo, nasdaq_itch_tree, offset, big);
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break;
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case 'C' : /* Order executed with price */
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offset = executed(tvb, pinfo, nasdaq_itch_tree, offset, big);
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proto_tree_add_item(nasdaq_itch_tree, hf_nasdaq_itch_printable, tvb, offset, 1, ENC_ASCII|ENC_NA);
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offset += 1;
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/*offset = */price(tvb, pinfo, nasdaq_itch_tree, hf_nasdaq_itch_execution_price, offset, big);
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break;
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case 'x' :
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big = 1;
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case 'X' : /* Order cancel */
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offset = order_ref_number(tvb, pinfo, nasdaq_itch_tree, offset);
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/*offset = */number_of_shares(tvb, pinfo, nasdaq_itch_tree, hf_nasdaq_itch_canceled, offset, big);
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break;
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case 'D' : /* Order delete */
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/*offset = */order_ref_number(tvb, pinfo, nasdaq_itch_tree, offset);
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/*offset += 9;*/
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break;
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case 'p' :
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big = 1;
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case 'P' : /* Trade identifier */
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offset = order(tvb, pinfo, nasdaq_itch_tree, offset, big);
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proto_tree_add_item(nasdaq_itch_tree, hf_nasdaq_itch_match, tvb, offset, 9, ENC_ASCII|ENC_NA);
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/*offset += 9;*/
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break;
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case 'Q' : /* Cross Trade */
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offset = number_of_shares(tvb, pinfo, nasdaq_itch_tree, hf_nasdaq_itch_shares, offset, big);
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offset = stock(tvb, pinfo, nasdaq_itch_tree, offset);
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offset = price(tvb, pinfo, nasdaq_itch_tree, hf_nasdaq_itch_price, offset, big);
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proto_tree_add_item(nasdaq_itch_tree, hf_nasdaq_itch_match, tvb, offset, 9, ENC_ASCII|ENC_NA);
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offset += 9;
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proto_tree_add_item(nasdaq_itch_tree, hf_nasdaq_itch_cross, tvb, offset, 1, ENC_ASCII|ENC_NA);
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/*offset += 1;*/
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break;
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case 'B' : /* Broken Trade */
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proto_tree_add_item(nasdaq_itch_tree, hf_nasdaq_itch_match, tvb, offset, 9, ENC_ASCII|ENC_NA);
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/*offset += 9;*/
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break;
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case 'I': /* NOII, FIXME */
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offset = stock(tvb, pinfo, nasdaq_itch_tree, offset);
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proto_tree_add_item(nasdaq_itch_tree, hf_nasdaq_itch_cross, tvb, offset, 1, ENC_ASCII|ENC_NA);
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/*offset += 1;*/
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break;
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default:
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/* unknown */
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proto_tree_add_item(nasdaq_itch_tree, hf_nasdaq_itch_message, tvb, offset, -1, ENC_ASCII|ENC_NA);
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/*offset += 5-1;*/
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break;
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case 'M': /* milliseconds */
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/*offset =*/ time_stamp (tvb, nasdaq_itch_tree, hf_nasdaq_itch_millisecond, offset, 3);
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return;
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}
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}
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switch (nasdaq_itch_type) {
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case 'S': /* system event */
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proto_tree_add_item(nasdaq_itch_tree, hf_nasdaq_itch_system_event, tvb, offset, 1, ENC_BIG_ENDIAN);
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offset += 1;
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break;
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case 'R': /* Stock Directory */
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offset = stock(tvb, pinfo, nasdaq_itch_tree, offset);
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proto_tree_add_item(nasdaq_itch_tree, hf_nasdaq_itch_market_category, tvb, offset, 1, ENC_BIG_ENDIAN);
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offset += 1;
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proto_tree_add_item(nasdaq_itch_tree, hf_nasdaq_itch_financial_status, tvb, offset, 1, ENC_BIG_ENDIAN);
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offset += 1;
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proto_tree_add_item(nasdaq_itch_tree, hf_nasdaq_itch_round_lot_size, tvb, offset, 6, ENC_ASCII|ENC_NA);
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offset += 6;
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proto_tree_add_item(nasdaq_itch_tree, hf_nasdaq_itch_round_lots_only, tvb, offset, 1, ENC_BIG_ENDIAN);
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/*offset += 1;*/
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break;
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case 'H': /* Stock trading action */
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offset = stock(tvb, pinfo, nasdaq_itch_tree, offset);
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proto_tree_add_item(nasdaq_itch_tree, hf_nasdaq_itch_trading_state, tvb, offset, 1, ENC_ASCII|ENC_NA);
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offset += 1;
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proto_tree_add_item(nasdaq_itch_tree, hf_nasdaq_itch_reserved, tvb, offset, 1, ENC_ASCII|ENC_NA);
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offset += 1;
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proto_tree_add_item(nasdaq_itch_tree, hf_nasdaq_itch_reason, tvb, offset, 4, ENC_ASCII|ENC_NA);
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/*offset += 4;*/
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break;
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case 'a' :
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big = 1;
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case 'A': /* Add order, no MPID */
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offset = order(tvb, pinfo, nasdaq_itch_tree, offset, big);
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if (version == 2) {
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proto_tree_add_item(nasdaq_itch_tree, hf_nasdaq_itch_printable, tvb, offset, 1, ENC_ASCII|ENC_NA);
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/*offset += 1;*/
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}
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break;
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case 'F': /* Add order, MPID */
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offset = order(tvb, pinfo, nasdaq_itch_tree, offset, big);
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proto_tree_add_item(nasdaq_itch_tree, hf_nasdaq_itch_attribution, tvb, offset, 4, ENC_ASCII|ENC_NA);
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/*offset += 4;*/
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break;
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case 'e' :
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big = 1;
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case 'E' : /* Order executed */
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/*offset =*/ executed(tvb, pinfo, nasdaq_itch_tree, offset, big);
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break;
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case 'C' : /* Order executed with price */
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offset = executed(tvb, pinfo, nasdaq_itch_tree, offset, big);
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proto_tree_add_item(nasdaq_itch_tree, hf_nasdaq_itch_printable, tvb, offset, 1, ENC_ASCII|ENC_NA);
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offset += 1;
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/*offset = */price(tvb, pinfo, nasdaq_itch_tree, hf_nasdaq_itch_execution_price, offset, big);
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break;
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case 'x' :
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big = 1;
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case 'X' : /* Order cancel */
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offset = order_ref_number(tvb, pinfo, nasdaq_itch_tree, offset);
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/*offset = */number_of_shares(tvb, pinfo, nasdaq_itch_tree, hf_nasdaq_itch_canceled, offset, big);
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break;
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case 'D' : /* Order delete */
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/*offset = */order_ref_number(tvb, pinfo, nasdaq_itch_tree, offset);
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/*offset += 9;*/
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break;
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case 'p' :
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big = 1;
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case 'P' : /* Trade identifier */
|
||||
offset = order(tvb, pinfo, nasdaq_itch_tree, offset, big);
|
||||
proto_tree_add_item(nasdaq_itch_tree, hf_nasdaq_itch_match, tvb, offset, 9, ENC_ASCII|ENC_NA);
|
||||
/*offset += 9;*/
|
||||
break;
|
||||
|
||||
case 'Q' : /* Cross Trade */
|
||||
offset = number_of_shares(tvb, pinfo, nasdaq_itch_tree, hf_nasdaq_itch_shares, offset, big);
|
||||
|
||||
offset = stock(tvb, pinfo, nasdaq_itch_tree, offset);
|
||||
|
||||
offset = price(tvb, pinfo, nasdaq_itch_tree, hf_nasdaq_itch_price, offset, big);
|
||||
|
||||
proto_tree_add_item(nasdaq_itch_tree, hf_nasdaq_itch_match, tvb, offset, 9, ENC_ASCII|ENC_NA);
|
||||
offset += 9;
|
||||
proto_tree_add_item(nasdaq_itch_tree, hf_nasdaq_itch_cross, tvb, offset, 1, ENC_ASCII|ENC_NA);
|
||||
/*offset += 1;*/
|
||||
break;
|
||||
|
||||
case 'B' : /* Broken Trade */
|
||||
proto_tree_add_item(nasdaq_itch_tree, hf_nasdaq_itch_match, tvb, offset, 9, ENC_ASCII|ENC_NA);
|
||||
/*offset += 9;*/
|
||||
break;
|
||||
|
||||
case 'I': /* NOII, FIXME */
|
||||
offset = stock(tvb, pinfo, nasdaq_itch_tree, offset);
|
||||
|
||||
proto_tree_add_item(nasdaq_itch_tree, hf_nasdaq_itch_cross, tvb, offset, 1, ENC_ASCII|ENC_NA);
|
||||
/*offset += 1;*/
|
||||
break;
|
||||
|
||||
default:
|
||||
/* unknown */
|
||||
proto_tree_add_item(nasdaq_itch_tree, hf_nasdaq_itch_message, tvb, offset, -1, ENC_ASCII|ENC_NA);
|
||||
/*offset += 5-1;*/
|
||||
break;
|
||||
}
|
||||
}
|
||||
|
||||
/* Register the protocol with Wireshark */
|
||||
|
||||
void proto_reg_handoff_nasdaq_itch(void);
|
||||
void proto_register_nasdaq_itch(void);
|
||||
|
||||
void
|
||||
proto_register_nasdaq_itch(void)
|
||||
{
|
||||
|
||||
/* Setup list of header fields See Section 1.6.1 for details*/
|
||||
static hf_register_info hf[] = {
|
||||
static hf_register_info hf[] = {
|
||||
{ &hf_nasdaq_itch_version,
|
||||
{ "Version", "nasdaq-itch.version",
|
||||
FT_UINT8, BASE_DEC, NULL, 0x0,
|
||||
|
|
@ -568,37 +571,45 @@ proto_register_nasdaq_itch(void)
|
|||
{ "Message", "nasdaq-itch.message",
|
||||
FT_STRING, BASE_NONE, NULL, 0x0,
|
||||
NULL, HFILL }}
|
||||
};
|
||||
};
|
||||
|
||||
/* Setup protocol subtree array */
|
||||
static gint *ett[] = {
|
||||
&ett_nasdaq_itch
|
||||
};
|
||||
static gint *ett[] = {
|
||||
&ett_nasdaq_itch
|
||||
};
|
||||
|
||||
module_t *nasdaq_itch_module;
|
||||
module_t *nasdaq_itch_module;
|
||||
|
||||
/* Register the protocol name and description */
|
||||
proto_nasdaq_itch = proto_register_protocol("Nasdaq TotalView-ITCH", "NASDAQ-ITCH", "nasdaq_itch");
|
||||
/* Register the protocol name and description */
|
||||
proto_nasdaq_itch = proto_register_protocol("Nasdaq TotalView-ITCH", "NASDAQ-ITCH", "nasdaq_itch");
|
||||
|
||||
/* Required function calls to register the header fields and subtrees used */
|
||||
proto_register_field_array(proto_nasdaq_itch, hf, array_length(hf));
|
||||
proto_register_subtree_array(ett, array_length(ett));
|
||||
/* Required function calls to register the header fields and subtrees used */
|
||||
proto_register_field_array(proto_nasdaq_itch, hf, array_length(hf));
|
||||
proto_register_subtree_array(ett, array_length(ett));
|
||||
|
||||
nasdaq_itch_module = prefs_register_protocol(proto_nasdaq_itch, NULL);
|
||||
prefs_register_bool_preference(nasdaq_itch_module, "chi_x", "Decode Chi X extensions",
|
||||
"Whether the Nasdaq ITCH dissector should decode Chi X extensions.",
|
||||
&nasdaq_itch_chi_x);
|
||||
nasdaq_itch_module = prefs_register_protocol(proto_nasdaq_itch, NULL);
|
||||
prefs_register_bool_preference(nasdaq_itch_module, "chi_x", "Decode Chi X extensions",
|
||||
"Whether the Nasdaq ITCH dissector should decode Chi X extensions.",
|
||||
&nasdaq_itch_chi_x);
|
||||
|
||||
register_dissector("nasdaq-itch", dissect_nasdaq_itch, proto_nasdaq_itch);
|
||||
register_dissector("nasdaq-itch", dissect_nasdaq_itch, proto_nasdaq_itch);
|
||||
}
|
||||
|
||||
|
||||
/* If this dissector uses sub-dissector registration add a registration routine.
|
||||
This format is required because a script is used to find these routines and
|
||||
create the code that calls these routines.
|
||||
*/
|
||||
void
|
||||
proto_reg_handoff_nasdaq_itch(void)
|
||||
{
|
||||
}
|
||||
|
||||
/*
|
||||
* Editor modelines
|
||||
*
|
||||
* Local Variables:
|
||||
* c-basic-offset: 2
|
||||
* tab-width: 8
|
||||
* indent-tabs-mode: nil
|
||||
* End:
|
||||
*
|
||||
* ex: set shiftwidth=2 tabstop=8 expandtab:
|
||||
* :indentSize=2:tabSize=8:noTabs=true:
|
||||
*/
|
||||
|
|
|
|||
Loading…
Reference in New Issue