QVariant PacketListRecord::data(int col_num, column_info *cinfo) const
{
g_assert(fdata);
if (!cinfo)
return QVariant();
if (col_based_on_frame_data(cinfo, col_num)) //{
col_fill_in_frame_data(fdata, cinfo, col_num, FALSE);
return cinfo->col_data[col_num];
// } else {
// QString unknown;
// return unknown.sprintf("Unknown: frame %d col %d", fdata->num, col_num);
// }
}
static void
packet_list_get_value(GtkTreeModel *tree_model, GtkTreeIter *iter, gint column,
GValue *value)
{
PacketListRecord *record;
PacketList *packet_list;
g_return_if_fail(PACKETLIST_IS_LIST(tree_model));
packet_list = (PacketList *) tree_model;
g_return_if_fail(iter != NULL);
g_return_if_fail(iter->stamp == packet_list->stamp);
g_return_if_fail(iter->user_data != NULL);
/* Note: We use one extra column to store the entire frame_data */
g_return_if_fail(column >= 0 && column < packet_list->n_cols + 1);
record = (PacketListRecord*) iter->user_data;
#ifdef PACKET_PARANOID_CHECKS
g_return_if_fail(PACKET_LIST_RECORD_INDEX_VALID(packet_list->physical_rows, record->physical_pos));
#endif
g_return_if_fail(PACKET_LIST_RECORD_INDEX_VALID(packet_list->visible_rows, record->visible_pos));
if (column >= 0 && column < packet_list->n_cols) {
int text_column;
g_value_init(value, G_TYPE_STRING);
if (record->col_text == NULL || !record->colorized)
packet_list_dissect_and_cache_record(packet_list, record, !record->colorized);
text_column = packet_list->col_to_text[column];
if (text_column == -1) { /* column based on frame_data */
col_fill_in_frame_data(record->fdata, &cfile.cinfo, column, FALSE);
g_value_set_string(value, cfile.cinfo.col_data[column]);
} else {
g_return_if_fail(record->col_text);
g_value_set_string(value, record->col_text[text_column]);
}
} else if (column == packet_list->n_cols) {
g_value_init(value, G_TYPE_POINTER);
g_value_set_pointer(value, record->fdata);
}
}
//#define MINIMIZE_STRING_COPYING 1
void PacketListRecord::cacheColumnStrings(column_info *cinfo)
{
// packet_list_store.c:packet_list_change_record(PacketList *packet_list, PacketListRecord *record, gint col, column_info *cinfo)
if (!cinfo) {
return;
}
col_text_.clear();
lines_ = 1;
line_count_changed_ = false;
for (int column = 0; column < cinfo->num_cols; ++column) {
int col_lines = 1;
#ifdef MINIMIZE_STRING_COPYING
int text_col = cinfo_column_.value(column, -1);
/* Column based on frame_data or it already contains a value */
if (text_col < 0) {
col_fill_in_frame_data(fdata_, cinfo, column, FALSE);
col_text_.append(cinfo->columns[column].col_data);
continue;
}
switch (cinfo->col_fmt[column]) {
case COL_PROTOCOL:
case COL_INFO:
case COL_IF_DIR:
case COL_DCE_CALL:
case COL_8021Q_VLAN_ID:
case COL_EXPERT:
case COL_FREQ_CHAN:
if (cinfo->columns[column].col_data && cinfo->columns[column].col_data != cinfo->columns[column].col_buf) {
/* This is a constant string, so we don't have to copy it */
// XXX - ui/gtk/packet_list_store.c uses G_MAXUSHORT. We don't do proper UTF8
// truncation in either case.
int col_text_len = MIN(qstrlen(cinfo->col_data[column]) + 1, COL_MAX_INFO_LEN);
col_text_.append(QByteArray::fromRawData(cinfo->columns[column].col_data, col_text_len));
break;
}
/* !! FALL-THROUGH!! */
case COL_DEF_SRC:
case COL_RES_SRC: /* COL_DEF_SRC is currently just like COL_RES_SRC */
case COL_UNRES_SRC:
case COL_DEF_DL_SRC:
case COL_RES_DL_SRC:
case COL_UNRES_DL_SRC:
case COL_DEF_NET_SRC:
case COL_RES_NET_SRC:
case COL_UNRES_NET_SRC:
case COL_DEF_DST:
case COL_RES_DST: /* COL_DEF_DST is currently just like COL_RES_DST */
case COL_UNRES_DST:
case COL_DEF_DL_DST:
case COL_RES_DL_DST:
case COL_UNRES_DL_DST:
case COL_DEF_NET_DST:
case COL_RES_NET_DST:
case COL_UNRES_NET_DST:
default:
if (!get_column_resolved(column) && cinfo->col_expr.col_expr_val[column]) {
/* Use the unresolved value in col_expr_val */
// XXX Use QContiguousCache?
col_text_.append(cinfo->col_expr.col_expr_val[column]);
} else {
col_text_.append(cinfo->columns[column].col_data);
}
break;
}
#else // MINIMIZE_STRING_COPYING
const char *col_str;
if (!get_column_resolved(column) && cinfo->col_expr.col_expr_val[column]) {
/* Use the unresolved value in col_expr_val */
col_str = cinfo->col_expr.col_expr_val[column];
} else {
int text_col = cinfo_column_.value(column, -1);
if (text_col < 0) {
col_fill_in_frame_data(fdata_, cinfo, column, FALSE);
}
col_str = cinfo->columns[column].col_data;
}
// g_string_chunk_insert_const manages a hash table of pointers to
// strings:
// https://git.gnome.org/browse/glib/tree/glib/gstringchunk.c
// We might be better off adding the equivalent functionality to
// wmem_tree.
col_text_.append(g_string_chunk_insert_const(string_pool_, col_str));
for (int i = 0; col_str[i]; i++) {
if (col_str[i] == '\n') col_lines++;
}
if (col_lines > lines_) {
lines_ = col_lines;
line_count_changed_ = true;
}
#endif // MINIMIZE_STRING_COPYING
}
}