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packet-batsboe.c
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packet-batsboe.c
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/* packet-batsboe.c
* Routines for BATS Binary Order Entry (BOE).
* Copyright 2010-2014, Eric Crampton <[email protected]>
*
* Wireshark - Network traffic analyzer
* By Gerald Combs <[email protected]>
* Copyright 1998 Gerald Combs
*
* This program is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation; either version 2 of the License, or
* (at your option) any later version.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License along
* with this program; if not, write to the Free Software Foundation, Inc.,
* 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
*/
#ifdef HAVE_CONFIG_H
# include "config.h"
#endif
#include <glib.h>
#include <stdio.h>
#include <epan/packet.h>
#include <epan/prefs.h>
int proto_batsboe = -1;
static dissector_handle_t batsboe_handle;
static int hf_batsboe_hdr_start_of_message = -1;
static int hf_batsboe_hdr_message_length = -1;
static int hf_batsboe_hdr_message_type = -1;
static int hf_batsboe_hdr_matching_unit = -1;
static int hf_batsboe_hdr_sequence_number = -1;
static int hf_batsboe_session_sub_id = -1;
static int hf_batsboe_username = -1;
static int hf_batsboe_password = -1;
static int hf_batsboe_no_unspecified_unit_replay = -1;
static int hf_batsboe_number_of_units = -1;
static int hf_batsboe_login_response_status = -1;
static int hf_batsboe_login_response_text = -1;
static int hf_batsboe_last_received_sequence_number = -1;
static int hf_batsboe_transaction_time = -1;
static int hf_batsboe_cl_ord_id = -1;
static int hf_batsboe_cancel_reason = -1;
static int hf_batsboe_side = -1;
static int hf_batsboe_peg_difference = -1;
static int hf_batsboe_price = -1;
static int hf_batsboe_exec_inst = -1;
static int hf_batsboe_ord_type = -1;
static int hf_batsboe_time_in_force = -1;
static int hf_batsboe_min_qty = -1;
static int hf_batsboe_max_remove_pct = -1;
static int hf_batsboe_symbol = -1;
static int hf_batsboe_symbol_sfx = -1;
static int hf_batsboe_currency = -1;
static int hf_batsboe_idsource = -1;
static int hf_batsboe_security_id = -1;
static int hf_batsboe_security_exchange = -1;
static int hf_batsboe_capacity = -1;
static int hf_batsboe_cross_flag = -1;
static int hf_batsboe_account = -1;
static int hf_batsboe_clearing_firm = -1;
static int hf_batsboe_clearing_account = -1;
static int hf_batsboe_display_indicator = -1;
static int hf_batsboe_max_floor = -1;
static int hf_batsboe_discretion_amount = -1;
static int hf_batsboe_order_qty = -1;
static int hf_batsboe_prevent_match = -1;
static int hf_batsboe_maturity_date = -1;
static int hf_batsboe_strike_price = -1;
static int hf_batsboe_put_or_call = -1;
static int hf_batsboe_open_close = -1;
static int hf_batsboe_cl_ord_id_batch = -1;
static int hf_batsboe_orig_cl_ord_id = -1;
static int hf_batsboe_leaves_qty = -1;
static int hf_batsboe_last_shares = -1;
static int hf_batsboe_last_px = -1;
static int hf_batsboe_display_price = -1;
static int hf_batsboe_working_price = -1;
static int hf_batsboe_base_liquidity_indicator = -1;
static int hf_batsboe_expire_time = -1;
static int hf_batsboe_order_id = -1;
static int hf_batsboe_secondary_order_id = -1;
static int hf_batsboe_routing_inst = -1;
static int hf_batsboe_locate_reqd = -1;
static int hf_batsboe_cancel_orig_on_reject = -1;
static int hf_batsboe_order_reject_reason = -1;
static int hf_batsboe_text = -1;
static int hf_batsboe_modify_reject_reason = -1;
static int hf_batsboe_restatement_reason = -1;
static int hf_batsboe_exec_id = -1;
static int hf_batsboe_sub_liquidity_indicator = -1;
static int hf_batsboe_access_fee = -1;
static int hf_batsboe_contra_broker = -1;
static int hf_batsboe_cancel_reject_reason = -1;
static int hf_batsboe_osi_root = -1;
static int hf_batsboe_group_cnt = -1;
static int hf_batsboe_ccp = -1;
static int hf_batsboe_risk_reset = -1;
static int hf_batsboe_cmta_number = -1;
static int hf_batsboe_bid_short_price = -1;
static int hf_batsboe_bid_order_qty = -1;
static int hf_batsboe_bid_discretion_amount = -1;
static int hf_batsboe_bid_open_close = -1;
static int hf_batsboe_ask_short_price = -1;
static int hf_batsboe_ask_order_qty = -1;
static int hf_batsboe_ask_discretion_amount = -1;
static int hf_batsboe_ask_open_close = -1;
static int hf_batsboe_accepted_count = -1;
static int hf_batsboe_rejected_count = -1;
static int hf_batsboe_attributed_quote = -1;
static int hf_batsboe_bulk_order_ids = -1;
static int hf_batsboe_bulk_reject_reasons = -1;
static int hf_batsboe_corrected_size = -1;
static int hf_batsboe_party_id = -1;
static int hf_batsboe_contra_capacity = -1;
static int hf_batsboe_ext_exec_inst = -1;
static int hf_batsboe_party_role = -1;
static int hf_batsboe_trade_report_type_return = -1;
static int hf_batsboe_trade_publish_ind_return = -1;
static int hf_batsboe_large_size = -1;
static int hf_batsboe_fee_code = -1;
static int hf_batsboe_echo_text = -1;
static int hf_batsboe_stop_px = -1;
static int hf_batsboe_rout_strategy = -1;
static int hf_batsboe_route_delivery_method = -1;
static int hf_batsboe_ex_destination = -1;
static gint ett_batsboe = -1;
static gint ett_batsboe_return_bitfields = -1;
#include "packet-batsboe.h"
/* Converts a byte into a pipe separated list of strings based on a bit_type_definition.
*
* For example:
*
* 0x41 -> "Symbol | Capacity"
*/
static gchar *
bitfield_to_string(guint8 value, bit_type_definition *bit_defs)
{
if (value == 0) {
return g_strdup("<empty>");
}
else {
gchar *array[9];
gint i = 0, b = 0;
while (b < 8) {
if (value & 1) {
/* This cast is required for a const-correctness issue in glib. */
array[i++] = (gchar *) bit_defs[b].name;
}
++b;
value >>= 1;
}
array[i++] = NULL;
return g_strjoinv(" | ", array);
}
}
/* Writes all 8 bytes which represent return bitfields, expanded out into a human readable format.
*
* For example:
*
* Order Acknowledgement Bitfields
* Bitfield 0: Side | Price | MinQty
* Bitfield 1: Symbol | Capacity
* ..
* ..
* Bitfield 7: <empty>
*/
static void
proto_tree_add_return_bitfields(proto_tree *tree, tvbuff_t *tvb, gint start_offset, const gchar *description)
{
gchar *formatted;
gint i;
proto_item *item;
proto_tree *subtree;
item = proto_tree_add_text(tree, tvb, start_offset, 8, "%s Bitfields", description);
subtree = proto_item_add_subtree(item, ett_batsboe);
for (i = 0; i < 8; ++i) {
formatted = bitfield_to_string(tvb_get_guint8(tvb, start_offset + i), all_return_bits[i]);
proto_tree_add_text(subtree, tvb, start_offset + i, 1, "Bitfield %d: %s", i, formatted);
g_free(formatted);
}
}
static void
proto_tree_add_submitted_bitfields(proto_tree *tree, tvbuff_t *tvb, gint start_offset, const gchar *description, bit_type_definition **definitions)
{
gchar *formatted;
gint i, num_bytes;
proto_item *item;
proto_tree *subtree;
i = num_bytes = 0;
while (definitions[i++] != NULL) {
++num_bytes;
}
item = proto_tree_add_text(tree, tvb, start_offset, num_bytes, "%s Bitfields", description);
subtree = proto_item_add_subtree(item, ett_batsboe);
i = 0;
while (definitions[i] != NULL) {
formatted = bitfield_to_string(tvb_get_guint8(tvb, start_offset + i), definitions[i]);
proto_tree_add_text(subtree, tvb, start_offset + i, 1, "Bitfield %d: %s", i, formatted);
g_free(formatted);
++i;
}
}
static gboolean
proto_tree_add_unit_sequences(proto_tree *tree, tvbuff_t *tvb, gint offset)
{
guint8 num_units, unit;
guint32 sequence;
gint remaining;
proto_item *units_item;
proto_tree *units_subtree;
remaining = tvb_length_remaining(tvb, offset);
if (remaining == 0) {
return FALSE;
}
num_units = tvb_get_guint8(tvb, offset);
if (remaining < (gint) (1 + ((sizeof(guint8) + sizeof(guint32)) * num_units))) {
return FALSE;
}
units_item = proto_tree_add_item(tree, hf_batsboe_number_of_units, tvb, offset, 1, TRUE);
++offset;
if (num_units) {
units_subtree = proto_item_add_subtree(units_item, ett_batsboe);
while (num_units) {
unit = tvb_get_guint8(tvb, offset);
sequence = tvb_get_letohl(tvb, offset + 1);
proto_tree_add_text(units_subtree, tvb, offset, sizeof(guint8) + sizeof(guint32), "Unit: %u, Sequence: %u", unit, sequence);
offset += sizeof(guint8) + sizeof(guint32);
--num_units;
}
}
return TRUE;
}
static guint8
dissect_login_request_message(tvbuff_t *tvb, proto_tree *tree, gint *offset)
{
proto_item *msg_item;
proto_tree *msg_tree;
guint8 num_units;
guint16 message_size;
if (tvb_length_remaining(tvb, *offset) < LOGIN_REQUEST_MIN_LEN) {
return 0;
}
/* the number of units determines the ultimate length of the message */
num_units = tvb_get_guint8(tvb, *offset + 117);
message_size = 117 + (num_units * 5);
if (tvb_length_remaining(tvb, *offset) < message_size) {
return 0;
}
msg_item = proto_tree_add_protocol_format(
tree, proto_batsboe, tvb,
*offset, message_size, "Login Request");
msg_tree = proto_item_add_subtree(msg_item, ett_batsboe);
proto_tree_add_item(msg_tree, hf_batsboe_session_sub_id, tvb, *offset + 10, 4, TRUE);
proto_tree_add_item(msg_tree, hf_batsboe_username, tvb, *offset + 14, 4, TRUE);
proto_tree_add_item(msg_tree, hf_batsboe_password, tvb, *offset + 18, 10, TRUE);
proto_tree_add_item(msg_tree, hf_batsboe_no_unspecified_unit_replay, tvb, *offset + 28, 1, TRUE);
proto_tree_add_return_bitfields(msg_tree, tvb, *offset + 29, "Order Acknowledgement");
proto_tree_add_return_bitfields(msg_tree, tvb, *offset + 37, "Order Rejected");
proto_tree_add_return_bitfields(msg_tree, tvb, *offset + 45, "Order Modified");
proto_tree_add_return_bitfields(msg_tree, tvb, *offset + 53, "Order Restated");
proto_tree_add_return_bitfields(msg_tree, tvb, *offset + 61, "User Modify Rejected");
proto_tree_add_return_bitfields(msg_tree, tvb, *offset + 69, "Order Cancelled");
proto_tree_add_return_bitfields(msg_tree, tvb, *offset + 77, "Cancel Rejected");
proto_tree_add_return_bitfields(msg_tree, tvb, *offset + 85, "Order Execution");
proto_tree_add_return_bitfields(msg_tree, tvb, *offset + 93, "Trade Cancel or Correct");
proto_tree_add_return_bitfields(msg_tree, tvb, *offset + 101, "Bulk Order Acknowledgement Extended");
proto_tree_add_return_bitfields(msg_tree, tvb, *offset + 109, "Reserved 1");
proto_tree_add_unit_sequences(msg_tree, tvb, *offset + 117);
*offset += message_size;
return 1;
}
static gboolean
dissect_unit_sequences_param_group(proto_tree *login_tree, tvbuff_t *tvb, gint offset, guint16 param_group_length)
{
static const int MINIMUM_LENGTH = 5;
static const int LENGTH_PER_UNIT = 5;
proto_item *group_item;
proto_tree *group_tree;
guint8 number_of_units;
if (tvb_length_remaining(tvb, offset) < MINIMUM_LENGTH) {
return FALSE; /* smaller than minimum size */
}
number_of_units = tvb_get_guint8(tvb, offset + 4);
group_item = proto_tree_add_protocol_format(
login_tree, proto_batsboe, tvb,
offset, param_group_length, "Unit Sequences Parameter Group (0x%x)", 0x80);
group_tree = proto_item_add_subtree(group_item, ett_batsboe);
proto_tree_add_item(group_tree, hf_batsboe_no_unspecified_unit_replay, tvb, offset + 3, 1, TRUE);
if (tvb_length_remaining(tvb, offset + 5) < number_of_units * LENGTH_PER_UNIT) {
return FALSE; /* not enough data for number of units expected */
}
if (param_group_length != (MINIMUM_LENGTH + number_of_units * LENGTH_PER_UNIT)) {
return FALSE; /* parameter group length not correct for number of units expected */
}
proto_tree_add_unit_sequences(group_tree, tvb, offset + 4);
return TRUE;
}
static void
dissect_return_bitfields_param_group(proto_tree *msg_tree, tvbuff_t *tvb, gint offset)
{
}
static guint8
dissect_login_request_v2_message(tvbuff_t *tvb, proto_tree *tree, gint *offset)
{
proto_item *msg_item;
proto_tree *msg_tree;
guint16 message_size;
guint8 num_param_groups;
guint8 current_param_group;
gint current_offset;
if (tvb_length_remaining(tvb, *offset) < LOGIN_REQUEST_V2_MIN_LEN) {
return 0;
}
message_size = tvb_get_guint8(tvb, *offset + 2);
msg_item = proto_tree_add_protocol_format(
tree, proto_batsboe, tvb,
*offset, message_size, "Login Request V2");
msg_tree = proto_item_add_subtree(msg_item, ett_batsboe);
proto_tree_add_item(msg_tree, hf_batsboe_session_sub_id, tvb, *offset + 10, 4, TRUE);
proto_tree_add_item(msg_tree, hf_batsboe_username, tvb, *offset + 14, 4, TRUE);
proto_tree_add_item(msg_tree, hf_batsboe_password, tvb, *offset + 18, 10, TRUE);
num_param_groups = tvb_get_guint8(tvb, *offset + 28);
printf("#of param groups: %u\n", num_param_groups);
current_offset = *offset + 29;
for (current_param_group = 0; current_param_group < num_param_groups; ++current_param_group) {
guint16 param_group_length;
guint8 param_group_type;
if (tvb_length_remaining(tvb, current_offset) < 3) {
return 0;
}
param_group_length = tvb_get_letohs(tvb, current_offset);
if (tvb_length_remaining(tvb, current_offset) < param_group_length) {
/* insufficient bytes remaining */
printf("short [%u]: %u < %u\n", current_param_group, tvb_length_remaining(tvb, current_offset), param_group_length);
return 0;
}
param_group_type = tvb_get_guint8(tvb, current_offset + 2);
switch (param_group_type) {
case 0x80:
printf("dissect uspg\n");
/* TODO: retval */ dissect_unit_sequences_param_group(msg_tree, tvb, current_offset, param_group_length);
break;
case 0x81:
printf("dissect rbpg\n");
/* TODO: retval */ dissect_return_bitfields_param_group(msg_tree, tvb, current_offset);
break;
default:
break;
}
printf("%u + %u = %u\n", current_offset, param_group_length, current_offset + param_group_length);
current_offset += param_group_length;
}
/* if (current_offset != message_size) { */
/* printf("size problem: %u != %u\n", current_offset, message_size); */
/* } */
*offset += message_size;
return 1;
}
static guint8
dissect_login_response_message(tvbuff_t *tvb, proto_tree *tree, gint *offset)
{
proto_item *msg_item;
proto_tree *msg_tree;
guint8 num_units, unit_counter;
guint16 message_size;
proto_item *units;
proto_tree *units_subtree;
gint unit_offset;
if (tvb_length_remaining(tvb, *offset) < LOGIN_RESPONSE_MIN_LEN) {
return 0;
}
/* the number of units determines the ultimate length of the message */
num_units = tvb_get_guint8(tvb, *offset + 164);
message_size = 164 + (num_units * 5);
if (tvb_length_remaining(tvb, *offset) < message_size) {
return 0;
}
msg_item = proto_tree_add_protocol_format(
tree, proto_batsboe, tvb,
*offset, message_size, "Login Response");
msg_tree = proto_item_add_subtree(msg_item, ett_batsboe);
proto_tree_add_item(msg_tree, hf_batsboe_login_response_status, tvb, *offset + 10, 1, TRUE);
proto_tree_add_item(msg_tree, hf_batsboe_login_response_text, tvb, *offset + 11, 60, TRUE);
proto_tree_add_item(msg_tree, hf_batsboe_no_unspecified_unit_replay, tvb, *offset + 71, 1, TRUE);
proto_tree_add_return_bitfields(msg_tree, tvb, *offset + 72, "Order Acknowledgement");
proto_tree_add_return_bitfields(msg_tree, tvb, *offset + 80, "Order Rejected");
proto_tree_add_return_bitfields(msg_tree, tvb, *offset + 88, "Order Modified");
proto_tree_add_return_bitfields(msg_tree, tvb, *offset + 96, "Order Restated");
proto_tree_add_return_bitfields(msg_tree, tvb, *offset + 104, "User Modify Rejected");
proto_tree_add_return_bitfields(msg_tree, tvb, *offset + 112, "Order Cancelled");
proto_tree_add_return_bitfields(msg_tree, tvb, *offset + 120, "Cancel Rejected");
proto_tree_add_return_bitfields(msg_tree, tvb, *offset + 128, "Order Execution");
proto_tree_add_return_bitfields(msg_tree, tvb, *offset + 136, "Trade Cancel or Correct");
proto_tree_add_return_bitfields(msg_tree, tvb, *offset + 144, "Bulk Order Acknowledgement Extended");
proto_tree_add_return_bitfields(msg_tree, tvb, *offset + 152, "Reserved 1");
proto_tree_add_item(msg_tree, hf_batsboe_last_received_sequence_number, tvb, *offset + 160, 4, TRUE);
units = proto_tree_add_item(msg_tree, hf_batsboe_number_of_units, tvb, *offset + 164, 1, TRUE);
units_subtree = proto_item_add_subtree(units, ett_batsboe);
for (unit_counter = 0, unit_offset = *offset + 165; unit_counter < num_units; ++unit_counter, unit_offset += sizeof(guint8) + sizeof(guint32)) {
guint8 unit;
guint32 sequence;
unit = tvb_get_guint8(tvb, unit_offset);
sequence = tvb_get_letohl(tvb, unit_offset + 1);
proto_tree_add_text(units_subtree, tvb, unit_offset, sizeof(unit) + sizeof(sequence), "Unit: %u, Sequence: %u", unit, sequence);
}
*offset += message_size;
return 1;
}
static void
proto_tree_add_long_price(proto_tree *tree, int hf, tvbuff_t *tvb, int offset)
{
guint64 value = tvb_get_letoh64(tvb, offset);
proto_tree_add_string_format_value(
tree, hf, tvb, offset, 8, "",
"%lu = %lu.%04u", value, value / 10000, (unsigned) (value % 10000));
}
static void
proto_tree_add_short_price(proto_tree *tree, int hf, tvbuff_t *tvb, int offset)
{
guint32 value = tvb_get_letohl(tvb, offset);
proto_tree_add_string_format_value(
tree, hf, tvb, offset, 4, "",
"%u = %u.%04u", value, value / 10000, (unsigned) (value % 10000));
}
static void
proto_tree_add_base36(proto_tree *tree, int hf, tvbuff_t *tvb, int offset)
{
static char BASE36_DIGITS[] = "0123456789ABCDEFGHIJKLMNOPQRSTUVWXYZ";
char buffer[13]; /* order IDs are 12 bytes, execution IDs are 9 bytes, add one for the NUL */
char *op = buffer + 12;
guint64 value = tvb_get_letoh64(tvb, offset);
*op-- = '\0';
do {
*op-- = BASE36_DIGITS[value % 36];
value /= 36;
} while ((value != 0) && (op >= buffer));
while (op >= buffer) {
*op-- = '0';
}
proto_tree_add_string_format_value(
tree, hf, tvb, offset, 8, "",
"%s", buffer);
}
static gint
proto_tree_add_bitfield_values(proto_tree *tree, tvbuff_t *tvb, gint offset, bit_type_definition **definitions, gint extra_offset)
{
gint return_bitfields, i, bit_i, return_byte;
bit_type_definition *definition;
gint original_offset = offset;
return_bitfields = offset;
i = 0;
while (definitions[i++] != NULL) {
++offset;
}
offset += extra_offset;
i = 0;
while (definitions[i] != NULL) {
return_byte = tvb_get_guint8(tvb, return_bitfields + i);
definition = definitions[i];
for (bit_i = 0; bit_i < 8; ++bit_i) {
bit_type_definition *bit_type = &(definition[bit_i]);
if (return_byte & (1 << bit_i)) {
if (bit_type->hfindex == NULL) return FALSE;
if (tvb_length_remaining(tvb, offset) < bit_type->length) return FALSE;
switch (bit_type->type) {
case bft_long_price:
proto_tree_add_long_price(tree, *(bit_type->hfindex), tvb, offset);
break;
case bft_short_price:
proto_tree_add_short_price(tree, *(bit_type->hfindex), tvb, offset);
break;
case bft_base36:
proto_tree_add_base36(tree, *(bit_type->hfindex), tvb, offset);
break;
case bft_default:
proto_tree_add_item(tree, *bit_type->hfindex, tvb, offset, bit_type->length, TRUE);
break;
}
offset += bit_type->length;
}
}
++i;
}
return offset - original_offset;
}
static gboolean
proto_tree_add_bulk_orders(proto_tree *tree, tvbuff_t *tvb, gint group_cnt, gint offset, gint bulk_order_bits_offset, const char *str)
{
gint group_size = 6; /* symbol */
gint i, bit, group;
guint8 msg_bulk_order_bits[2];
msg_bulk_order_bits[0] = tvb_get_guint8(tvb, bulk_order_bits_offset);
msg_bulk_order_bits[1] = tvb_get_guint8(tvb, bulk_order_bits_offset + 1);
for (i = 0; i < 2; ++i) {
for (bit = 0; bit < 8; ++bit) {
if (msg_bulk_order_bits[i] & (1 << bit)) {
group_size += bulk_order_group_bits[i][bit].length;
}
}
}
for (group = 0; group < group_cnt; ++group) {
proto_tree *group_item;
proto_tree *group_tree;
if (tvb_length_remaining(tvb, offset) < group_size) {
return FALSE;
}
group_item = proto_tree_add_protocol_format(tree, proto_batsboe, tvb, offset, group_size, "%s", str);
group_tree = proto_item_add_subtree(group_item, ett_batsboe);
proto_tree_add_item(group_tree, hf_batsboe_symbol, tvb, offset, 6, TRUE);
offset += 6;
for (i = 0; i < 2; ++i) {
for (bit = 0; bit < 8; ++bit) {
if (msg_bulk_order_bits[i] & (1 << bit)) {
if (tvb_length_remaining(tvb, offset) < bulk_order_group_bits[i][bit].length) return FALSE;
switch (bulk_order_group_bits[i][bit].type) {
case bft_short_price:
proto_tree_add_short_price(group_tree, *(bulk_order_group_bits[i][bit].hfindex), tvb, offset);
break;
case bft_long_price:
proto_tree_add_long_price(group_tree, *(bulk_order_group_bits[i][bit].hfindex), tvb, offset);
break;
case bft_base36:
proto_tree_add_base36(group_tree, *(bulk_order_group_bits[i][bit].hfindex), tvb, offset);
break;
case bft_default:
proto_tree_add_item(group_tree, *(bulk_order_group_bits[i][bit].hfindex), tvb, offset, bulk_order_group_bits[i][bit].length, TRUE);
break;
}
offset += bulk_order_group_bits[i][bit].length;
}
}
}
}
return TRUE;
}
static gboolean
proto_tree_add_bulk_ack_ext_groups(proto_tree *tree, tvbuff_t *tvb, gint group_cnt, gint offset, gint bulk_ack_ext_bits_offset)
{
gint group_size = 0;
gint i, group;
guint8 bulk_ack_ext_bits = tvb_get_guint8(tvb, bulk_ack_ext_bits_offset + 5);
/* BulkOrderIDs bit check */
if (bulk_ack_ext_bits & (1 << 5)) {
group_size += all_return_bits[5][5].length * 2;
}
/* BulkRejectReasons bit check */
if (bulk_ack_ext_bits & (1 << 6)) {
group_size += all_return_bits[5][6].length * 2;
}
for (group = 0; group < group_cnt; ++group) {
proto_tree *group_item;
proto_tree *group_tree;
if (tvb_length_remaining(tvb, offset) < group_size) {
return FALSE;
}
group_item = proto_tree_add_protocol_format(tree, proto_batsboe, tvb, offset, group_size, "Bulk Order Group");
group_tree = proto_item_add_subtree(group_item, ett_batsboe);
for (i = 0; i < 2; ++i) {
/* BulkOrderIDs */
if (bulk_ack_ext_bits & (1 << 5)) {
if (tvb_length_remaining(tvb, offset) < all_return_bits[5][5].length) {
return FALSE;
}
proto_tree_add_base36(group_tree, *(all_return_bits[5][5].hfindex), tvb, offset);
offset += all_return_bits[5][5].length;
}
/* BulkRejectReasons */
if (bulk_ack_ext_bits & (1 << 6)) {
if (tvb_length_remaining(tvb, offset) < all_return_bits[5][6].length) {
return FALSE;
}
proto_tree_add_item(group_tree, *(all_return_bits[5][6].hfindex),
tvb, offset, all_return_bits[5][6].length, TRUE);
offset += all_return_bits[5][6].length;
}
}
}
return TRUE;
}
static guint8
dissect_order_cancelled_message(tvbuff_t *tvb, proto_tree *tree, gint *offset)
{
proto_item *msg_item;
proto_tree *msg_tree;
guint16 message_size;
message_size = tvb_get_letohs(tvb, 2);
if (tvb_length_remaining(tvb, *offset) < message_size - 2) {
return 0;
}
msg_item = proto_tree_add_protocol_format(
tree, proto_batsboe, tvb,
*offset, message_size, "Order Cancelled");
msg_tree = proto_item_add_subtree(msg_item, ett_batsboe);
proto_tree_add_item(msg_tree, hf_batsboe_transaction_time, tvb, *offset + 10, 8, TRUE);
proto_tree_add_item(msg_tree, hf_batsboe_cl_ord_id, tvb, *offset + 18, 20, TRUE);
proto_tree_add_item(msg_tree, hf_batsboe_cancel_reason, tvb, *offset + 38, 1, TRUE);
proto_tree_add_return_bitfields(msg_tree, tvb, *offset + 39, "Order Cancelled");
proto_tree_add_bitfield_values(msg_tree, tvb, *offset + 39, all_return_bits, 0);
*offset += message_size;
return 1;
}
static guint8
dissect_cancel_rejected_message(tvbuff_t *tvb, proto_tree *tree, gint *offset)
{
proto_item *msg_item;
proto_tree *msg_tree;
guint16 message_size;
message_size = tvb_get_letohs(tvb, 2);
if (tvb_length_remaining(tvb, *offset) < message_size - 2) {
return 0;
}
msg_item = proto_tree_add_protocol_format(
tree, proto_batsboe, tvb,
*offset, message_size, "Cancel Rejected");
msg_tree = proto_item_add_subtree(msg_item, ett_batsboe);
proto_tree_add_item(msg_tree, hf_batsboe_transaction_time, tvb, *offset + 10, 8, TRUE);
proto_tree_add_item(msg_tree, hf_batsboe_cl_ord_id, tvb, *offset + 18, 20, TRUE);
proto_tree_add_item(msg_tree, hf_batsboe_cancel_reject_reason, tvb, *offset + 38, 1, TRUE);
proto_tree_add_item(msg_tree, hf_batsboe_text, tvb, *offset + 39, 60, TRUE);
proto_tree_add_return_bitfields(msg_tree, tvb, *offset + 99, "Cancel Rejected");
proto_tree_add_bitfield_values(msg_tree, tvb, *offset + 99, all_return_bits, 0);
*offset += message_size;
return 1;
}
static guint8
dissect_order_execution_message(tvbuff_t *tvb, proto_tree *tree, gint *offset)
{
proto_item *msg_item;
proto_tree *msg_tree;
guint16 message_size;
message_size = tvb_get_letohs(tvb, 2);
if (tvb_length_remaining(tvb, *offset) < message_size - 2) {
return 0;
}
msg_item = proto_tree_add_protocol_format(
tree, proto_batsboe, tvb,
*offset, message_size, "Order Execution");
msg_tree = proto_item_add_subtree(msg_item, ett_batsboe);
proto_tree_add_item(msg_tree, hf_batsboe_transaction_time, tvb, *offset + 10, 8, TRUE);
proto_tree_add_item(msg_tree, hf_batsboe_cl_ord_id, tvb, *offset + 18, 20, TRUE);
proto_tree_add_item(msg_tree, hf_batsboe_exec_id, tvb, *offset + 38, 8, TRUE);
proto_tree_add_item(msg_tree, hf_batsboe_last_shares, tvb, *offset + 46, 4, TRUE);
proto_tree_add_item(msg_tree, hf_batsboe_last_px, tvb, *offset + 50, 8, TRUE);
proto_tree_add_item(msg_tree, hf_batsboe_leaves_qty, tvb, *offset + 58, 4, TRUE);
proto_tree_add_item(msg_tree, hf_batsboe_base_liquidity_indicator, tvb, *offset + 62, 1, TRUE);
proto_tree_add_item(msg_tree, hf_batsboe_sub_liquidity_indicator, tvb, *offset + 63, 1, TRUE);
proto_tree_add_item(msg_tree, hf_batsboe_access_fee, tvb, *offset + 64, 8, TRUE);
proto_tree_add_item(msg_tree, hf_batsboe_contra_broker, tvb, *offset + 72, 4, TRUE);
proto_tree_add_return_bitfields(msg_tree, tvb, *offset + 76, "Order Execution");
proto_tree_add_bitfield_values(msg_tree, tvb, *offset + 76, all_return_bits, 0);
*offset += message_size;
return 1;
}
static guint8
dissect_user_modify_rejected_message(tvbuff_t *tvb, proto_tree *tree, gint *offset)
{
proto_item *msg_item;
proto_tree *msg_tree;
guint16 message_size;
message_size = tvb_get_letohs(tvb, 2);
if (tvb_length_remaining(tvb, *offset) < message_size - 2) {
return 0;
}
msg_item = proto_tree_add_protocol_format(
tree, proto_batsboe, tvb,
*offset, message_size, "User Modify Rejected");
msg_tree = proto_item_add_subtree(msg_item, ett_batsboe);
proto_tree_add_item(msg_tree, hf_batsboe_transaction_time, tvb, *offset + 10, 8, TRUE);
proto_tree_add_item(msg_tree, hf_batsboe_cl_ord_id, tvb, *offset + 18, 20, TRUE);
proto_tree_add_item(msg_tree, hf_batsboe_modify_reject_reason, tvb, *offset + 38, 1, TRUE);
proto_tree_add_item(msg_tree, hf_batsboe_text, tvb, *offset + 39, 60, TRUE);
proto_tree_add_return_bitfields(msg_tree, tvb, *offset + 99, "User Modify Rejected");
proto_tree_add_bitfield_values(msg_tree, tvb, *offset + 99, all_return_bits, 0);
*offset += message_size;
return 1;
}
static guint8
dissect_order_acknowledgement_message(tvbuff_t *tvb, proto_tree *tree, gint *offset)
{
proto_item *msg_item;
proto_tree *msg_tree;
guint16 message_size;
message_size = tvb_get_letohs(tvb, 2);
if (tvb_length_remaining(tvb, *offset) < message_size - 2) {
return 0;
}
msg_item = proto_tree_add_protocol_format(
tree, proto_batsboe, tvb,
*offset, message_size, "Order Acknowledgement");
msg_tree = proto_item_add_subtree(msg_item, ett_batsboe);
proto_tree_add_item (msg_tree, hf_batsboe_transaction_time, tvb, *offset + 10, 8, TRUE);
proto_tree_add_item (msg_tree, hf_batsboe_cl_ord_id, tvb, *offset + 18, 20, TRUE);
proto_tree_add_base36(msg_tree, hf_batsboe_order_id, tvb, *offset + 38);
proto_tree_add_return_bitfields(msg_tree, tvb, *offset + 46, "Order Acknowledgement");
proto_tree_add_bitfield_values(msg_tree, tvb, *offset + 46, all_return_bits, 0);
*offset += message_size;
return 1;
}
static guint8
dissect_order_rejected_message(tvbuff_t *tvb, proto_tree *tree, gint *offset)
{
proto_item *msg_item;
proto_tree *msg_tree;
guint16 message_size;
message_size = tvb_get_letohs(tvb, 2);
if (tvb_length_remaining(tvb, *offset) < message_size - 2) {
return 0;
}
msg_item = proto_tree_add_protocol_format(
tree, proto_batsboe, tvb,
*offset, message_size, "Order Rejected");
msg_tree = proto_item_add_subtree(msg_item, ett_batsboe);
proto_tree_add_item(msg_tree, hf_batsboe_transaction_time, tvb, *offset + 10, 8, TRUE);
proto_tree_add_item(msg_tree, hf_batsboe_cl_ord_id, tvb, *offset + 18, 20, TRUE);
proto_tree_add_item(msg_tree, hf_batsboe_order_reject_reason, tvb, *offset + 38, 1, TRUE);
proto_tree_add_item(msg_tree, hf_batsboe_text, tvb, *offset + 39, 60, TRUE);
proto_tree_add_return_bitfields(msg_tree, tvb, *offset + 99, "Order Rejected");
proto_tree_add_bitfield_values(msg_tree, tvb, *offset + 99, all_return_bits, 0);
*offset += message_size;
return 1;
}
static guint8
dissect_order_modified_message(tvbuff_t *tvb, proto_tree *tree, gint *offset)
{
proto_item *msg_item;
proto_tree *msg_tree;
guint16 message_size;
message_size = tvb_get_letohs(tvb, 2);
if (tvb_length_remaining(tvb, *offset) < message_size - 2) {
return 0;
}
msg_item = proto_tree_add_protocol_format(
tree, proto_batsboe, tvb,
*offset, message_size, "Order Modified");
msg_tree = proto_item_add_subtree(msg_item, ett_batsboe);
proto_tree_add_item (msg_tree, hf_batsboe_transaction_time, tvb, *offset + 10, 8, TRUE);
proto_tree_add_item (msg_tree, hf_batsboe_cl_ord_id, tvb, *offset + 18, 20, TRUE);
proto_tree_add_base36(msg_tree, hf_batsboe_order_id, tvb, *offset + 38);
proto_tree_add_return_bitfields(msg_tree, tvb, *offset + 46, "Order Modified");
proto_tree_add_bitfield_values(msg_tree, tvb, *offset + 46, all_return_bits, 0);
*offset += message_size;
return 1;
}
static guint8
dissect_order_restated_message(tvbuff_t *tvb, proto_tree *tree, gint *offset)
{
proto_item *msg_item;
proto_tree *msg_tree;
guint16 message_size;
message_size = tvb_get_letohs(tvb, 2);
if (tvb_length_remaining(tvb, *offset) < message_size - 2) {
return 0;
}
msg_item = proto_tree_add_protocol_format(
tree, proto_batsboe, tvb,
*offset, message_size, "Order Restated");
msg_tree = proto_item_add_subtree(msg_item, ett_batsboe);
proto_tree_add_item (msg_tree, hf_batsboe_transaction_time, tvb, *offset + 10, 8, TRUE);
proto_tree_add_item (msg_tree, hf_batsboe_cl_ord_id, tvb, *offset + 18, 20, TRUE);
proto_tree_add_base36(msg_tree, hf_batsboe_order_id, tvb, *offset + 38);
proto_tree_add_item (msg_tree, hf_batsboe_restatement_reason, tvb, *offset + 46, 1, TRUE);
proto_tree_add_return_bitfields(msg_tree, tvb, *offset + 47, "Order Restated");
proto_tree_add_bitfield_values(msg_tree, tvb, *offset + 47, all_return_bits, 0);
*offset += message_size;
return 1;
}
static guint8
dissect_modify_order_message(tvbuff_t *tvb, proto_tree *tree, gint *offset)
{
proto_item *msg_item;
proto_tree *msg_tree;
guint16 message_size;
message_size = tvb_get_letohs(tvb, 2);
if (tvb_length_remaining(tvb, *offset) < message_size - 2) {
return 0;
}
msg_item = proto_tree_add_protocol_format(
tree, proto_batsboe, tvb,
*offset, message_size, "Modify Order");
msg_tree = proto_item_add_subtree(msg_item, ett_batsboe);
proto_tree_add_item(msg_tree, hf_batsboe_cl_ord_id, tvb, *offset + 10, 20, TRUE);
proto_tree_add_item(msg_tree, hf_batsboe_orig_cl_ord_id, tvb, *offset + 30, 20, TRUE);
proto_tree_add_submitted_bitfields(msg_tree, tvb, *offset + 50, "Modify Order", modify_order_bits);
proto_tree_add_bitfield_values(msg_tree, tvb, *offset + 50, modify_order_bits, 0);
*offset += message_size;
return 1;
}
static guint8
dissect_new_order_message(tvbuff_t *tvb, proto_tree *tree, gint *offset)
{
proto_item *msg_item;
proto_tree *msg_tree;
guint16 message_size;