void
call_list_destroy(PANEL *panel)
{
call_list_info_t *info;
// Free its status data
if ((info = call_list_info(panel))) {
// Deallocate forms data
if (info->form) {
unpost_form(info->form);
free_form(info->form);
free_field(info->fields[FLD_LIST_FILTER]);
}
// Deallocate group data
call_group_destroy(info->group);
// Deallocate panel windows
delwin(info->list_win);
sng_free(info);
}
// Deallocate panel window
delwin(panel_window(panel));
// Deallocate panel pointer
del_panel(panel);
}
void
column_select_update_columns(ui_t *ui)
{
int column, attr_id;
// Get panel information
column_select_info_t *info = column_select_info(ui);
// Set enabled fields
ui_t *ui_list = ui_find_by_type(PANEL_CALL_LIST);
call_list_info_t *list_info = call_list_info(ui_list);
// Reset column count
list_info->columncnt = 0;
// Add all selected columns
for (column = 0; column < item_count(info->menu); column++) {
// If column is active
if (!strncmp(item_name(info->items[column]), "[ ]", 3))
continue;
// Get column attribute
attr_id = sip_attr_from_name(item_userptr(info->items[column]));
// Add a new column to the list
call_list_add_column(ui_list, attr_id, sip_attr_get_name(attr_id),
sip_attr_get_title(attr_id), sip_attr_get_width(attr_id));
}
}
void
call_list_draw_header(PANEL *panel)
{
const char *infile, *coldesc;
int height, width, colpos, collen, i;
// Get panel info
call_list_info_t *info = call_list_info(panel);
// Let's draw the fixed elements of the screen
WINDOW *win = panel_window(panel);
getmaxyx(win, height, width);
// Draw panel title
draw_title(panel, "sngrep - SIP messages flow viewer");
// Draw a Panel header lines
clear_line(win, 1);
if ((infile = capture_get_infile()))
mvwprintw(win, 1, width - strlen(infile) - 11, "Filename: %s", infile);
mvwprintw(win, 2, 2, "Display Filter: ");
mvwprintw(win, 1, 2, "Current Mode: %s", capture_get_status_desc());
// Reverse colors on monochrome terminals
if (!has_colors())
wattron(win, A_REVERSE);
// Draw columns titles
wattron(win, A_BOLD | COLOR_PAIR(CP_DEF_ON_CYAN));
mvwprintw(win, 3, 0, "%*s", width, "");
for (colpos = 6, i = 0; i < info->columncnt; i++) {
// Get current column width
collen = info->columns[i].width;
// Get current column title
coldesc = sip_attr_get_title(info->columns[i].id);
// Check if the column will fit in the remaining space of the screen
if (colpos + strlen(coldesc) >= width)
break;
mvwprintw(win, 3, colpos, "%.*s", collen, coldesc);
colpos += collen + 1;
}
// Print Autoscroll indicator
if (info->autoscroll)
mvwprintw(win, 3, 0, "A");
wattroff(win, A_BOLD | A_REVERSE | COLOR_PAIR(CP_DEF_ON_CYAN));
// Get filter call counters
sip_calls_stats(&info->callcnt, &info->dispcallcnt);
// Print calls count (also filtered)
mvwprintw(win, 1, 35, "%*s", 35, "");
if (info->callcnt != info->dispcallcnt) {
mvwprintw(win, 1, 35, "Dialogs: %d (%d displayed)", info->callcnt, info->dispcallcnt);
} else {
mvwprintw(win, 1, 35, "Dialogs: %d", info->callcnt);
}
}
const char *
call_list_line_text(PANEL *panel, sip_call_t *call, char *text)
{
int i, collen;
char call_attr[256];
char coltext[256];
int colid;
int width;
WINDOW *win = panel_window(panel);
// Get window width
width = getmaxx(win);
// Get panel info
call_list_info_t *info = call_list_info(panel);
// Print requested columns
for (i = 0; i < info->columncnt; i++) {
// Get current column id
colid = info->columns[i].id;
// Get current column width
collen = info->columns[i].width;
// Check if next column fits on window width
if (strlen(text) + collen >= width)
collen = width - strlen(text);
// If no space left on the screen stop processing columns
if (collen <= 0)
break;
// Initialize column text
memset(coltext, 0, sizeof(coltext));
memset(call_attr, 0, sizeof(call_attr));
// Get call attribute for current column
if (call_get_attribute(call, colid, call_attr)) {
sprintf(coltext, "%.*s", collen, call_attr);
}
// Add the column text to the existing columns
sprintf(text + strlen(text), "%-*s ", collen, coltext);
}
return text;
}
int
call_list_add_column(PANEL *panel, enum sip_attr_id id, const char* attr, const char *title,
int width)
{
call_list_info_t *info;
if (!(info = call_list_info(panel)))
return 1;
info->columns[info->columncnt].id = id;
info->columns[info->columncnt].attr = attr;
info->columns[info->columncnt].title = title;
info->columns[info->columncnt].width = width;
info->columncnt++;
return 0;
}
void
call_list_clear(PANEL *panel)
{
call_list_info_t *info;
// Get panel info
if (!(info = call_list_info(panel)))
return;
// Initialize structures
info->first_call = info->cur_call = -1;
info->first_line = info->cur_line = 0;
vector_clear(info->group->calls);
// Clear Displayed lines
werase(info->list_win);
}
int
call_list_resize(PANEL *panel)
{
int maxx, maxy;
// Get panel info
call_list_info_t *info = call_list_info(panel);
// Get current screen dimensions
getmaxyx(stdscr, maxy, maxx);
// Change the main window size
wresize(panel_window(panel), maxy, maxx);
// Calculate available printable area
wresize(info->list_win, maxy - 5, maxx - 4);
// Force list redraw
call_list_clear(panel);
return 0;
}
void
call_list_form_activate(PANEL *panel, int active)
{
call_list_info_t *info = call_list_info(panel);
// Store form state
info->form_active = active;
if (active) {
set_current_field(info->form, info->fields[FLD_LIST_FILTER]);
// Show cursor
curs_set(1);
// Change current field background
set_field_back(info->fields[FLD_LIST_FILTER], A_REVERSE);
} else {
set_current_field(info->form, NULL);
// Hide cursor
curs_set(0);
// Change current field background
set_field_back(info->fields[FLD_LIST_FILTER], A_NORMAL);
}
post_form(info->form);
form_driver(info->form, REQ_END_LINE);
}
void
column_select_create(ui_t *ui)
{
int attr_id, column;
MENU *menu;
column_select_info_t *info;
// Cerate a new indow for the panel and form
ui_panel_create(ui, 20, 60);
// Initialize Filter panel specific data
info = sng_malloc(sizeof(column_select_info_t));
// Store it into panel userptr
set_panel_userptr(ui->panel, (void*) info);
// Initialize the fields
info->fields[FLD_COLUMNS_ACCEPT] = new_field(1, 10, ui->height - 2, 13, 0, 0);
info->fields[FLD_COLUMNS_SAVE] = new_field(1, 10, ui->height - 2, 25, 0, 0);
info->fields[FLD_COLUMNS_CANCEL] = new_field(1, 10, ui->height - 2, 37, 0, 0);
info->fields[FLD_COLUMNS_COUNT] = NULL;
// Field Labels
set_field_buffer(info->fields[FLD_COLUMNS_ACCEPT], 0, "[ Accept ]");
set_field_buffer(info->fields[FLD_COLUMNS_SAVE], 0, "[ Save ]");
set_field_buffer(info->fields[FLD_COLUMNS_CANCEL], 0, "[ Cancel ]");
// Create the form and post it
info->form = new_form(info->fields);
set_form_sub(info->form, ui->win);
post_form(info->form);
// Create a subwin for the menu area
info->menu_win = derwin(ui->win, 10, ui->width - 2, 7, 0);
// Initialize one field for each attribute
for (attr_id = 0; attr_id < SIP_ATTR_COUNT; attr_id++) {
// Create a new field for this column
info->items[attr_id] = new_item("[ ]", sip_attr_get_description(attr_id));
set_item_userptr(info->items[attr_id], (void*) sip_attr_get_name(attr_id));
}
info->items[SIP_ATTR_COUNT] = NULL;
// Create the columns menu and post it
info->menu = menu = new_menu(info->items);
// Set current enabled fields
// FIXME Stealing Call list columns :/
call_list_info_t *list_info = call_list_info(ui_find_by_type(PANEL_CALL_LIST));
// Enable current enabled fields and move them to the top
for (column = 0; column < list_info->columncnt; column++) {
const char *attr = list_info->columns[column].attr;
for (attr_id = 0; attr_id < item_count(menu); attr_id++) {
if (!strcmp(item_userptr(info->items[attr_id]), attr)) {
column_select_toggle_item(ui, info->items[attr_id]);
column_select_move_item(ui, info->items[attr_id], column);
break;
}
}
}
// Set main window and sub window
set_menu_win(menu, ui->win);
set_menu_sub(menu, derwin(ui->win, 10, ui->width - 5, 7, 2));
set_menu_format(menu, 10, 1);
set_menu_mark(menu, "");
set_menu_fore(menu, COLOR_PAIR(CP_DEF_ON_BLUE));
menu_opts_off(menu, O_ONEVALUE);
post_menu(menu);
// Draw a scrollbar to the right
info->scroll = ui_set_scrollbar(info->menu_win, SB_VERTICAL, SB_RIGHT);
info->scroll.max = item_count(menu) - 1;
ui_scrollbar_draw(info->scroll);
// Set the window title and boxes
mvwprintw(ui->win, 1, ui->width / 2 - 14, "Call List columns selection");
wattron(ui->win, COLOR_PAIR(CP_BLUE_ON_DEF));
title_foot_box(ui->panel);
mvwhline(ui->win, 6, 1, ACS_HLINE, ui->width - 1);
mvwaddch(ui->win, 6, 0, ACS_LTEE);
mvwaddch(ui->win, 6, ui->width - 1, ACS_RTEE);
wattroff(ui->win, COLOR_PAIR(CP_BLUE_ON_DEF));
// Some brief explanation abotu what window shows
wattron(ui->win, COLOR_PAIR(CP_CYAN_ON_DEF));
mvwprintw(ui->win, 3, 2, "This windows show the list of columns displayed on Call");
mvwprintw(ui->win, 4, 2, "List. You can enable/disable using Space Bar and reorder");
mvwprintw(ui->win, 5, 2, "them using + and - keys.");
wattroff(ui->win, COLOR_PAIR(CP_CYAN_ON_DEF));
info->form_active = 0;
}
int
call_list_handle_form_key(PANEL *panel, int key)
{
int field_idx;
char dfilter[256];
int action = -1;
// Get panel information
call_list_info_t *info = call_list_info(panel);
// Get current field id
field_idx = field_index(current_field(info->form));
// Check actions for this key
while ((action = key_find_action(key, action)) != ERR) {
// Check if we handle this action
switch (action) {
case ACTION_PRINTABLE:
// If this is a normal character on input field, print it
form_driver(info->form, key);
break;
case ACTION_PREV_SCREEN:
case ACTION_NEXT_FIELD:
case ACTION_CONFIRM:
case ACTION_SELECT:
case ACTION_UP:
case ACTION_DOWN:
// Activate list
call_list_form_activate(panel, 0);
break;
case ACTION_RIGHT:
form_driver(info->form, REQ_RIGHT_CHAR);
break;
case ACTION_LEFT:
form_driver(info->form, REQ_LEFT_CHAR);
break;
case ACTION_BEGIN:
form_driver(info->form, REQ_BEG_LINE);
break;
case ACTION_END:
form_driver(info->form, REQ_END_LINE);
break;
case ACTION_CLEAR:
form_driver(info->form, REQ_BEG_LINE);
form_driver(info->form, REQ_CLR_EOL);
break;
case ACTION_DELETE:
form_driver(info->form, REQ_DEL_CHAR);
break;
case ACTION_BACKSPACE:
form_driver(info->form, REQ_DEL_PREV);
break;
default:
// Parse next action
continue;
}
// We've handled this key, stop checking actions
break;
}
// Filter has changed, re-apply filter to displayed calls
if (action == ACTION_PRINTABLE || action == ACTION_BACKSPACE ||
action == ACTION_DELETE || action == ACTION_CLEAR) {
// Updated displayed results
call_list_clear(panel);
// Reset filters on each key stroke
filter_reset_calls();
}
// Validate all input data
form_driver(info->form, REQ_VALIDATION);
// Store dfilter input
// We trim spaces with sscanf because and empty field is stored as space characters
memset(dfilter, 0, sizeof(dfilter));
strcpy(dfilter, field_buffer(info->fields[FLD_LIST_FILTER], 0));
strtrim(dfilter);
// Set display filter
filter_set(FILTER_CALL_LIST, strlen(dfilter) ? dfilter : NULL);
// Return if this panel has handled or not the key
return (action == ERR) ? key : 0;
}
int
call_list_handle_key(PANEL *panel, int key)
{
int i, height, width, rnpag_steps = setting_get_intvalue(SETTING_CL_SCROLLSTEP);
call_list_info_t *info;
ui_t *next_panel;
sip_call_group_t *group;
int action = -1;
sip_call_t *call;
// Sanity check, this should not happen
if (!(info = call_list_info(panel)))
return -1;
// Handle form key
if (info->form_active)
return call_list_handle_form_key(panel, key);
// Get window of call list panel
WINDOW *win = info->list_win;
getmaxyx(win, height, width);
// Reset iterator position to current call
vector_iterator_set_current(&info->calls, info->cur_call);
// Check actions for this key
while ((action = key_find_action(key, action)) != ERR) {
// Check if we handle this action
switch (action) {
case ACTION_DOWN:
// Check if there is a call below us
if (!vector_iterator_next(&info->calls))
break;
info->cur_call = vector_iterator_current(&info->calls);
info->cur_line++;
// If we are out of the bottom of the displayed list
// refresh it starting in the next call
if (info->cur_line > height) {
vector_iterator_set_current(&info->calls, info->first_call);
vector_iterator_next(&info->calls);
info->first_call = vector_iterator_current(&info->calls);
info->first_line++;
info->cur_line = height;
}
// Disable Autoscroll
info->autoscroll = 0;
break;
case ACTION_UP:
// Check if there is a call above us
if (!vector_iterator_prev(&info->calls))
break;
info->cur_call = vector_iterator_current(&info->calls);
info->cur_line--;
// If we are out of the top of the displayed list
// refresh it starting in the previous (in fact current) call
if (info->cur_line <= 0) {
info->first_call = info->cur_call;
info->first_line--;
info->cur_line = 1;
}
// Disable Autoscroll
info->autoscroll = 0;
break;
case ACTION_HNPAGE:
rnpag_steps = rnpag_steps / 2;
/* no break */
case ACTION_NPAGE:
// Next page => N key down strokes
for (i = 0; i < rnpag_steps; i++)
call_list_handle_key(panel, KEY_DOWN);
// Disable Autoscroll
info->autoscroll = 0;
break;
case ACTION_HPPAGE:
rnpag_steps = rnpag_steps / 2;
/* no break */
case ACTION_PPAGE:
// Prev page => N key up strokes
for (i = 0; i < rnpag_steps; i++)
call_list_handle_key(panel, KEY_UP);
// Disable Autoscroll
info->autoscroll = 0;
break;
case ACTION_BEGIN:
// Initialize structures
info->first_call = info->cur_call = -1;
info->first_line = info->cur_line = 0;
// Disable Autoscroll
info->autoscroll = 0;
break;
case ACTION_END:
// Check if there is a call below us
while (vector_iterator_next(&info->calls)) {
info->cur_call = vector_iterator_current(&info->calls);
info->cur_line++;
// If we are out of the bottom of the displayed list
// refresh it starting in the next call
if (info->cur_line > height) {
vector_iterator_set_current(&info->calls, info->first_call);
vector_iterator_next(&info->calls);
info->first_call = vector_iterator_current(&info->calls);
info->first_line++;
info->cur_line = height;
vector_iterator_set_current(&info->calls, info->cur_call);
}
}
break;
case ACTION_DISP_FILTER:
// Activate Form
call_list_form_activate(panel, 1);
// Disable Autoscroll
info->autoscroll = 0;
break;
case ACTION_SHOW_FLOW:
case ACTION_SHOW_FLOW_EX:
case ACTION_SHOW_RAW:
// Check we have calls in the list
if (info->cur_call == -1)
break;
// Create a new group of calls
group = call_group_clone(info->group);
// If not selected call, show current call flow
if (call_group_count(info->group) == 0)
call_group_add(group, sip_find_by_index(info->cur_call));
// Add xcall to the group
if (action == ACTION_SHOW_FLOW_EX)
call_group_add(group, call_get_xcall(sip_find_by_index(info->cur_call)));
if (action == ACTION_SHOW_RAW) {
// Create a Call Flow panel
ui_create_panel(PANEL_CALL_RAW);
call_raw_set_group(group);
} else {
// Display current call flow (normal or extended)
ui_create_panel(PANEL_CALL_FLOW);
call_flow_set_group(group);
}
break;
case ACTION_SHOW_FILTERS:
ui_create_panel(PANEL_FILTER);
break;
case ACTION_SHOW_COLUMNS:
ui_create_panel(PANEL_COLUMN_SELECT);
break;
case ACTION_SHOW_STATS:
ui_create_panel(PANEL_STATS);
break;
case ACTION_SAVE:
next_panel = ui_create_panel(PANEL_SAVE);
save_set_group(ui_get_panel(next_panel), info->group);
break;
case ACTION_CLEAR:
// Clear group calls
vector_clear(info->group->calls);
break;
case ACTION_CLEAR_CALLS:
// Remove all stored calls
sip_calls_clear();
// Clear List
call_list_clear(panel);
break;
case ACTION_AUTOSCROLL:
info->autoscroll = (info->autoscroll) ? 0 : 1;
break;
case ACTION_SHOW_SETTINGS:
ui_create_panel(PANEL_SETTINGS);
break;
case ACTION_SELECT:
call = vector_item(vector_iterator_vector(&info->calls), info->cur_call);
if (call_group_exists(info->group, call)) {
call_group_del(info->group, call);
} else {
call_group_add(info->group, call);
}
break;
case ACTION_PREV_SCREEN:
// Handle quit from this screen unless requested
if (setting_enabled(SETTING_EXITPROMPT)) {
if (dialog_confirm("Confirm exit", "Are you sure you want to quit?", "Yes,No") == 0) {
return KEY_ESC;
} else {
return 0;
}
} else {
return KEY_ESC;
}
break;
default:
// Parse next action
continue;
}
// This panel has handled the key successfully
break;
}
// Return if this panel has handled or not the key
return (action == ERR) ? key : 0;
}
void
call_list_draw_list(PANEL *panel)
{
WINDOW *win;
int height, width, cline = 0;
struct sip_call *call;
int i, collen;
char coltext[256];
int colid;
int colpos;
int color;
// Get panel info
call_list_info_t *info = call_list_info(panel);
// Get window of call list panel
win = info->list_win;
getmaxyx(win, height, width);
// If autoscroll is enabled, select the last dialog
if (info->autoscroll) {
call_list_handle_key(panel, key_action_key(ACTION_END));
}
// If no active call, use the fist one (if exists)
if (info->first_call == -1 && vector_iterator_count(&info->calls)) {
vector_iterator_reset(&info->calls);
call = vector_iterator_next(&info->calls);
info->cur_call = info->first_call = vector_index(vector_iterator_vector(&info->calls), call);
info->cur_line = info->first_line = 1;
}
// Clear call list before redrawing
werase(win);
// Set the iterator position to the first call
vector_iterator_set_current(&info->calls, info->first_call - 1 );
// Fill the call list
while ((call = vector_iterator_next(&info->calls))) {
// Stop if we have reached the bottom of the list
if (cline == height)
break;
// We only print calls with messages (In fact, all call should have msgs)
if (!call_msg_count(call))
continue;
// Show bold selected rows
if (call_group_exists(info->group, call))
wattron(win, A_BOLD | COLOR_PAIR(CP_DEFAULT));
// Highlight active call
if (call->index == info->cur_call + 1) {
wattron(win, COLOR_PAIR(CP_WHITE_ON_BLUE));
// Reverse colors on monochrome terminals
if (!has_colors())
wattron(win, A_REVERSE);
}
// Set current line background
clear_line(win, cline);
// Set current line selection box
mvwprintw(win, cline, 2, call_group_exists(info->group, call) ? "[*]" : "[ ]");
// Print requested columns
colpos = 6;
for (i = 0; i < info->columncnt; i++) {
// Get current column id
colid = info->columns[i].id;
// Get current column width
collen = info->columns[i].width;
// Check if next column fits on window width
if (colpos + collen >= width)
break;
// Initialize column text
memset(coltext, 0, sizeof(coltext));
// Get call attribute for current column
if (!call_get_attribute(call, colid, coltext)) {
colpos += collen + 1;
continue;
}
// Enable attribute color (if not current one)
color = 0;
if (call->index != info->cur_call + 1 && (color = sip_attr_get_color(colid, coltext)) > 0)
wattron(win, color);
// Add the column text to the existing columns
mvwprintw(win, cline, colpos, "%.*s", collen, coltext);
colpos += collen + 1;
// Disable attribute color
if (color > 0)
wattroff(win, color);
}
cline++;
wattroff(win, COLOR_PAIR(CP_DEFAULT));
wattroff(win, COLOR_PAIR(CP_DEF_ON_BLUE));
wattroff(win, A_BOLD | A_REVERSE);
}
// Draw scrollbar to the right
draw_vscrollbar(win, info->first_line, info->dispcallcnt, 1);
wnoutrefresh(info->list_win);
}
