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authorBill Meier <wmeier@newsguy.com>2013-11-16 02:48:43 +0000
committerBill Meier <wmeier@newsguy.com>2013-11-16 02:48:43 +0000
commit3e5b82ddcc39f005f767a2f1c324c9603261cd81 (patch)
treeb07a928c2542baa89d9742ea7916ae1311b8d37c /epan/dissectors/packet-nasdaq-itch.c
parentd973799957414f5dd6fc2f6637dd8731da3b2a5e (diff)
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
Diffstat (limited to 'epan/dissectors/packet-nasdaq-itch.c')
-rw-r--r--epan/dissectors/packet-nasdaq-itch.c379
1 files changed, 195 insertions, 184 deletions
diff --git a/epan/dissectors/packet-nasdaq-itch.c b/epan/dissectors/packet-nasdaq-itch.c
index 7df432d685..ca61fc0bf9 100644
--- a/epan/dissectors/packet-nasdaq-itch.c
+++ b/epan/dissectors/packet-nasdaq-itch.c
@@ -72,7 +72,7 @@ static const value_string message_types_val[] = {
{ 0, NULL }
};
-static char chix_msg[] = "apex";
+static const char chix_msg[] = "apex";
static const value_string system_event_val[] = {
{ 'O', "Start of Messages" },
@@ -153,12 +153,12 @@ static int
order_ref_number(tvbuff_t *tvb, packet_info *pinfo, proto_tree *nasdaq_itch_tree, int offset)
{
const char *str_value = tvb_get_string(wmem_packet_scope(), tvb, offset, 9);
- guint32 value = (guint32)strtoul(str_value, NULL, 10);
+ guint32 value = (guint32)strtoul(str_value, NULL, 10);
proto_tree_add_uint(nasdaq_itch_tree, hf_nasdaq_itch_order_reference, tvb, offset, 9, value);
col_append_fstr(pinfo->cinfo, COL_INFO, "%u ", value);
- return offset+9;
+ return offset + 9;
}
/* -------------------------- */
@@ -167,8 +167,8 @@ time_stamp(tvbuff_t *tvb, proto_tree *nasdaq_itch_tree, int id, int offset, int
{
if (nasdaq_itch_tree) {
- guint32 ms, val;
- const char *display = "";
+ guint32 ms, val;
+ const char *display = "";
const char *str_value = tvb_get_string(wmem_packet_scope(), tvb, offset, size);
ms = val = (guint32)strtoul(str_value, NULL, 10);
@@ -185,14 +185,14 @@ time_stamp(tvbuff_t *tvb, proto_tree *nasdaq_itch_tree, int id, int offset, int
}
proto_tree_add_uint_format_value(nasdaq_itch_tree, id, tvb, offset, size, val, "%s", display);
}
- return offset+size;
+ return offset + size;
}
/* -------------------------- */
static int
number_of_shares(tvbuff_t *tvb, packet_info *pinfo, proto_tree *nasdaq_itch_tree, int id, int offset, int big)
{
- gint size = (big)?10:6;
+ gint size = (big) ? 10 : 6;
const char *str_value = tvb_get_string(wmem_packet_scope(), tvb, offset, size);
guint32 value = (guint32)strtoul(str_value, NULL, 10);
@@ -200,22 +200,22 @@ number_of_shares(tvbuff_t *tvb, packet_info *pinfo, proto_tree *nasdaq_itch_tree
proto_tree_add_uint(nasdaq_itch_tree, id, tvb, offset, size, value);
col_append_fstr(pinfo->cinfo, COL_INFO, "qty %u ", value);
- return offset +size;
+ return offset + size;
}
/* -------------------------- */
static int
price(tvbuff_t *tvb, packet_info *pinfo, proto_tree *nasdaq_itch_tree, int id, int offset, int big)
{
- gint size = (big)?19:10;
+ gint size = (big) ? 19 : 10;
const char *str_value = tvb_get_string(wmem_packet_scope(), tvb, offset, size);
- gdouble value = guint64_to_gdouble(g_ascii_strtoull(str_value, NULL, 10))/((big)?1000000.0:10000.0);
+ gdouble value = guint64_to_gdouble(g_ascii_strtoull(str_value, NULL, 10))/((big)?1000000.0:10000.0);
proto_tree_add_double(nasdaq_itch_tree, id, tvb, offset, size, value);
col_append_fstr(pinfo->cinfo, COL_INFO, "price %g ", value);
- return offset+size;
+ return offset + size;
}
/* -------------------------- */
@@ -227,7 +227,7 @@ stock(tvbuff_t *tvb, packet_info *pinfo, proto_tree *nasdaq_itch_tree, int offse
proto_tree_add_item(nasdaq_itch_tree, hf_nasdaq_itch_stock, tvb, offset, 6, ENC_ASCII|ENC_NA);
col_append_fstr(pinfo->cinfo, COL_INFO, "<%s> ", stock_p);
- return offset+6;
+ return offset + 6;
}
/* -------------------------- */
@@ -269,181 +269,184 @@ executed(tvbuff_t *tvb, packet_info *pinfo, proto_tree *nasdaq_itch_tree, int of
static void
dissect_nasdaq_itch(tvbuff_t *tvb, packet_info *pinfo, proto_tree *tree)
{
- proto_item *ti;
- proto_tree *nasdaq_itch_tree = NULL;
- guint8 nasdaq_itch_type;
- int offset = 0;
- int version = 3;
- int big = 0;
- const gchar *rep;
-
- col_set_str(pinfo->cinfo, COL_PROTOCOL, "Nasdaq-ITCH");
-
- nasdaq_itch_type = tvb_get_guint8(tvb, offset);
- if (nasdaq_itch_type >= '0' && nasdaq_itch_type <= '9') {
- version = 2;
- nasdaq_itch_type = tvb_get_guint8(tvb, offset +8);
- }
+ proto_item *ti;
+ proto_tree *nasdaq_itch_tree = NULL;
+ guint8 nasdaq_itch_type;
+ int offset = 0;
+ int version = 3;
+ int big = 0;
+ const gchar *rep;
+
+ col_set_str(pinfo->cinfo, COL_PROTOCOL, "Nasdaq-ITCH");
+
+ nasdaq_itch_type = tvb_get_guint8(tvb, offset);
+ if (nasdaq_itch_type >= '0' && nasdaq_itch_type <= '9') {
+ version = 2;
+ nasdaq_itch_type = tvb_get_guint8(tvb, offset +8);
+ }
- if ((!nasdaq_itch_chi_x || version == 3) && strchr(chix_msg, nasdaq_itch_type)) {
- nasdaq_itch_type = 0; /* unknown */
- }
+ if ((!nasdaq_itch_chi_x || version == 3) && strchr(chix_msg, nasdaq_itch_type)) {
+ nasdaq_itch_type = 0; /* unknown */
+ }
- rep = val_to_str(nasdaq_itch_type, message_types_val, "Unknown packet type (0x%02x) ");
- col_add_str(pinfo->cinfo, COL_INFO, rep);
+ rep = val_to_str(nasdaq_itch_type, message_types_val, "Unknown packet type (0x%02x) ");
+ col_add_str(pinfo->cinfo, COL_INFO, rep);
- if (tree) {
- proto_item *item;
+ if (tree) {
+ proto_item *item;
- ti = proto_tree_add_protocol_format(tree, proto_nasdaq_itch, tvb, offset, -1, "Nasdaq TotalView-ITCH %s, %s",
- version == 2?"2.0":"3.0", rep);
+ ti = proto_tree_add_protocol_format(tree, proto_nasdaq_itch, tvb, offset, -1, "Nasdaq TotalView-ITCH %s, %s",
+ version == 2?"2.0":"3.0", rep);
- nasdaq_itch_tree = proto_item_add_subtree(ti, ett_nasdaq_itch);
+ nasdaq_itch_tree = proto_item_add_subtree(ti, ett_nasdaq_itch);
- item=proto_tree_add_uint(nasdaq_itch_tree, hf_nasdaq_itch_version, tvb, 0, 0, version);
- PROTO_ITEM_SET_GENERATED(item);
- }
+ item = proto_tree_add_uint(nasdaq_itch_tree, hf_nasdaq_itch_version, tvb, 0, 0, version);
+ PROTO_ITEM_SET_GENERATED(item);
+ }
- if (version == 2) {
- offset = time_stamp (tvb, nasdaq_itch_tree, hf_nasdaq_itch_millisecond, offset, 8);
- }
+ if (version == 2) {
+ offset = time_stamp (tvb, nasdaq_itch_tree, hf_nasdaq_itch_millisecond, offset, 8);
+ }
- proto_tree_add_item(nasdaq_itch_tree, hf_nasdaq_itch_message_type, tvb, offset, 1, ENC_BIG_ENDIAN);
- offset++;
+ proto_tree_add_item(nasdaq_itch_tree, hf_nasdaq_itch_message_type, tvb, offset, 1, ENC_BIG_ENDIAN);
+ offset += 1;
- if (version == 3) {
- switch (nasdaq_itch_type) {
- case 'T': /* seconds */
- /*offset =*/ time_stamp (tvb, nasdaq_itch_tree, hf_nasdaq_itch_second, offset, 5);
- return;
+ if (version == 3) {
+ switch (nasdaq_itch_type) {
+ case 'T': /* seconds */
+ /*offset =*/ time_stamp (tvb, nasdaq_itch_tree, hf_nasdaq_itch_second, offset, 5);
+ return;
- case 'M': /* milliseconds */
- /*offset =*/ time_stamp (tvb, nasdaq_itch_tree, hf_nasdaq_itch_millisecond, offset, 3);
- return;
- }
+ case 'M': /* milliseconds */
+ /*offset =*/ time_stamp (tvb, nasdaq_itch_tree, hf_nasdaq_itch_millisecond, offset, 3);
+ return;
}
+ }
- switch (nasdaq_itch_type) {
- case 'S': /* system event */
- proto_tree_add_item(nasdaq_itch_tree, hf_nasdaq_itch_system_event, tvb, offset, 1, ENC_BIG_ENDIAN);
- offset++;
- break;
-
- case 'R': /* Stock Directory */
- offset = stock(tvb, pinfo, nasdaq_itch_tree, offset);
-
- proto_tree_add_item(nasdaq_itch_tree, hf_nasdaq_itch_market_category, tvb, offset, 1, ENC_BIG_ENDIAN);
- offset += 1;
- proto_tree_add_item(nasdaq_itch_tree, hf_nasdaq_itch_financial_status, tvb, offset, 1, ENC_BIG_ENDIAN);
- offset += 1;
- proto_tree_add_item(nasdaq_itch_tree, hf_nasdaq_itch_round_lot_size, tvb, offset, 6, ENC_ASCII|ENC_NA);
- offset += 6;
- proto_tree_add_item(nasdaq_itch_tree, hf_nasdaq_itch_round_lots_only, tvb, offset, 1, ENC_BIG_ENDIAN);
- /*offset += 1;*/
- break;
-
- case 'H': /* Stock trading action */
- offset = stock(tvb, pinfo, nasdaq_itch_tree, offset);
-
- proto_tree_add_item(nasdaq_itch_tree, hf_nasdaq_itch_trading_state, tvb, offset, 1, ENC_ASCII|ENC_NA);
- offset += 1;
- proto_tree_add_item(nasdaq_itch_tree, hf_nasdaq_itch_reserved, tvb, offset, 1, ENC_ASCII|ENC_NA);
- offset += 1;
- proto_tree_add_item(nasdaq_itch_tree, hf_nasdaq_itch_reason, tvb, offset, 4, ENC_ASCII|ENC_NA);
- /*offset += 4;*/
- break;
-
- case 'a' :
- big = 1;
- case 'A': /* Add order, no MPID */
- offset = order(tvb, pinfo, nasdaq_itch_tree, offset, big);
- if (version == 2) {
- proto_tree_add_item(nasdaq_itch_tree, hf_nasdaq_itch_printable, tvb, offset, 1, ENC_ASCII|ENC_NA);
- /*offset += 1;*/
- }
- break;
-
- case 'F': /* Add order, MPID */
- offset = order(tvb, pinfo, nasdaq_itch_tree, offset, big);
- proto_tree_add_item(nasdaq_itch_tree, hf_nasdaq_itch_attribution, tvb, offset, 4, ENC_ASCII|ENC_NA);
- /*offset += 4;*/
- break;
-
- case 'e' :
- big = 1;
- case 'E' : /* Order executed */
- /*offset =*/ executed(tvb, pinfo, nasdaq_itch_tree, offset, big);
- break;
-
- case 'C' : /* Order executed with price */
- offset = executed(tvb, pinfo, nasdaq_itch_tree, offset, big);
- proto_tree_add_item(nasdaq_itch_tree, hf_nasdaq_itch_printable, tvb, offset, 1, ENC_ASCII|ENC_NA);
- offset += 1;
-
- /*offset = */price(tvb, pinfo, nasdaq_itch_tree, hf_nasdaq_itch_execution_price, offset, big);
- break;
-
- case 'x' :
- big = 1;
- case 'X' : /* Order cancel */
- offset = order_ref_number(tvb, pinfo, nasdaq_itch_tree, offset);
- /*offset = */number_of_shares(tvb, pinfo, nasdaq_itch_tree, hf_nasdaq_itch_canceled, offset, big);
- break;
-
- case 'D' : /* Order delete */
- /*offset = */order_ref_number(tvb, pinfo, nasdaq_itch_tree, offset);
- /*offset += 9;*/
- break;
-
- case 'p' :
- big = 1;
- 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;
+ switch (nasdaq_itch_type) {
+ case 'S': /* system event */
+ proto_tree_add_item(nasdaq_itch_tree, hf_nasdaq_itch_system_event, tvb, offset, 1, ENC_BIG_ENDIAN);
+ offset += 1;
+ break;
+
+ case 'R': /* Stock Directory */
+ offset = stock(tvb, pinfo, nasdaq_itch_tree, offset);
+
+ proto_tree_add_item(nasdaq_itch_tree, hf_nasdaq_itch_market_category, tvb, offset, 1, ENC_BIG_ENDIAN);
+ offset += 1;
+ proto_tree_add_item(nasdaq_itch_tree, hf_nasdaq_itch_financial_status, tvb, offset, 1, ENC_BIG_ENDIAN);
+ offset += 1;
+ proto_tree_add_item(nasdaq_itch_tree, hf_nasdaq_itch_round_lot_size, tvb, offset, 6, ENC_ASCII|ENC_NA);
+ offset += 6;
+ proto_tree_add_item(nasdaq_itch_tree, hf_nasdaq_itch_round_lots_only, tvb, offset, 1, ENC_BIG_ENDIAN);
+ /*offset += 1;*/
+ break;
+
+ case 'H': /* Stock trading action */
+ offset = stock(tvb, pinfo, nasdaq_itch_tree, offset);
+
+ proto_tree_add_item(nasdaq_itch_tree, hf_nasdaq_itch_trading_state, tvb, offset, 1, ENC_ASCII|ENC_NA);
+ offset += 1;
+ proto_tree_add_item(nasdaq_itch_tree, hf_nasdaq_itch_reserved, tvb, offset, 1, ENC_ASCII|ENC_NA);
+ offset += 1;
+ proto_tree_add_item(nasdaq_itch_tree, hf_nasdaq_itch_reason, tvb, offset, 4, ENC_ASCII|ENC_NA);
+ /*offset += 4;*/
+ break;
+
+ case 'a' :
+ big = 1;
+ case 'A': /* Add order, no MPID */
+ offset = order(tvb, pinfo, nasdaq_itch_tree, offset, big);
+ if (version == 2) {
+ proto_tree_add_item(nasdaq_itch_tree, hf_nasdaq_itch_printable, tvb, offset, 1, ENC_ASCII|ENC_NA);
+ /*offset += 1;*/
}
+ break;
+
+ case 'F': /* Add order, MPID */
+ offset = order(tvb, pinfo, nasdaq_itch_tree, offset, big);
+ proto_tree_add_item(nasdaq_itch_tree, hf_nasdaq_itch_attribution, tvb, offset, 4, ENC_ASCII|ENC_NA);
+ /*offset += 4;*/
+ break;
+
+ case 'e' :
+ big = 1;
+ case 'E' : /* Order executed */
+ /*offset =*/ executed(tvb, pinfo, nasdaq_itch_tree, offset, big);
+ break;
+
+ case 'C' : /* Order executed with price */
+ offset = executed(tvb, pinfo, nasdaq_itch_tree, offset, big);
+ proto_tree_add_item(nasdaq_itch_tree, hf_nasdaq_itch_printable, tvb, offset, 1, ENC_ASCII|ENC_NA);
+ offset += 1;
+
+ /*offset = */price(tvb, pinfo, nasdaq_itch_tree, hf_nasdaq_itch_execution_price, offset, big);
+ break;
+
+ case 'x' :
+ big = 1;
+ case 'X' : /* Order cancel */
+ offset = order_ref_number(tvb, pinfo, nasdaq_itch_tree, offset);
+ /*offset = */number_of_shares(tvb, pinfo, nasdaq_itch_tree, hf_nasdaq_itch_canceled, offset, big);
+ break;
+
+ case 'D' : /* Order delete */
+ /*offset = */order_ref_number(tvb, pinfo, nasdaq_itch_tree, offset);
+ /*offset += 9;*/
+ break;
+
+ case 'p' :
+ big = 1;
+ 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:
+ */