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gdashboard.c
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gdashboard.c
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/**
* gmenu.c -- goaccess main dashboard
* Copyright (C) 2009-2014 by Gerardo Orellana <[email protected]>
* GoAccess - An Ncurses apache weblog analyzer & interactive viewer
*
* 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.
*
* A copy of the GNU General Public License is attached to this
* source distribution for its full text.
*
* Visit http://goaccess.prosoftcorp.com for new releases.
*/
#define _XOPEN_SOURCE 700
#include <ctype.h>
#include <pthread.h>
#include <stdio.h>
#include <stdlib.h>
#include <string.h>
#include <time.h>
#include <unistd.h>
#include <sys/types.h>
#include <regex.h>
#ifdef HAVE_LIBGEOIP
# include <GeoIP.h>
#endif
#include "gdashboard.h"
#include "error.h"
#include "xmalloc.h"
#include "gdns.h"
#include "parser.h"
#include "settings.h"
#include "util.h"
/* *INDENT-OFF* */
static GFind find_t;
/* module's styles */
static const GDashStyle module_style[TOTAL_MODULES] = {
{COL_WHITE, COL_WHITE, COL_BLACK, COL_RED, COL_WHITE, -1, -1, -1}, /* VISITORS */
{COL_WHITE, COL_WHITE, COL_BLACK, COL_BLACK, -1, COL_BLACK, COL_BLACK, COL_WHITE}, /* REQUESTS */
{COL_WHITE, COL_WHITE, COL_BLACK, COL_BLACK, -1, COL_BLACK, COL_BLACK, COL_WHITE}, /* REQUESTS_STATIC */
{COL_WHITE, COL_WHITE, COL_BLACK, COL_BLACK, -1, COL_BLACK, COL_BLACK, COL_WHITE}, /* NOT FOUND */
{COL_WHITE, COL_WHITE, COL_BLACK, COL_BLACK, COL_WHITE, COL_BLACK, -1, -1}, /* HOSTS */
{COL_WHITE, COL_WHITE, -1, COL_RED, COL_WHITE, -1, -1, -1}, /* OS */
{COL_WHITE, COL_WHITE, -1, COL_RED, COL_WHITE, -1, -1, -1}, /* BROWSERS */
{COL_WHITE, COL_WHITE, -1, COL_BLACK, -1, -1, -1, -1}, /* REFERRERS */
{COL_WHITE, COL_WHITE, -1, COL_BLACK, -1, -1, -1, -1}, /* REFERRING_SITES */
{COL_WHITE, COL_WHITE, -1, COL_BLACK, -1, -1, -1, -1}, /* KEYPHRASES */
#ifdef HAVE_LIBGEOIP
{COL_WHITE, COL_WHITE, -1, COL_BLACK, -1, -1, -1, -1}, /* GEO_LOCATION */
#endif
{COL_WHITE, COL_WHITE, -1, COL_BLACK, -1, -1, -1, -1}, /* STATUS CODES */
};
/* *INDENT-ON* */
/* reset find indices */
void
reset_find (void)
{
if (find_t.pattern != NULL && *find_t.pattern != '\0')
free (find_t.pattern);
find_t.look_in_sub = 0;
find_t.module = 0;
find_t.next_idx = 0; /* next total index */
find_t.next_parent_idx = 0; /* next parent index */
find_t.next_sub_idx = 0; /* next sub item index */
find_t.pattern = NULL;
}
/* allocate memory for dash */
GDash *
new_gdash (void)
{
GDash *dash = xmalloc (sizeof (GDash));
memset (dash, 0, sizeof *dash);
dash->total_alloc = 0;
return dash;
}
/* allocate memory for dash elements */
GDashData *
new_gdata (unsigned int size)
{
GDashData *data = xcalloc (size, sizeof (GDashData));
return data;
}
/* free dash and its elements */
void
free_dashboard (GDash * dash)
{
int i, j;
for (i = 0; i < TOTAL_MODULES; i++) {
for (j = 0; j < dash->module[i].alloc_data; j++) {
free (dash->module[i].data[j].data);
free (dash->module[i].data[j].bandwidth);
if (conf.serve_usecs)
free (dash->module[i].data[j].serve_time);
}
free (dash->module[i].data);
}
free (dash);
}
/* allocate memory for holder */
GHolder *
new_gholder (unsigned int size)
{
GHolder *holder = xmalloc (size * sizeof (GHolder));
memset (holder, 0, size * sizeof *holder);
return holder;
}
/* allocate memory for holder items */
static GHolderItem *
new_gholder_item (unsigned int size)
{
GHolderItem *item = xcalloc (size, sizeof (GHolderItem));
return item;
}
/* allocate memory for a sub list */
static GSubList *
new_gsublist (void)
{
GSubList *sub_list = xmalloc (sizeof (GSubList));
sub_list->head = NULL;
sub_list->tail = NULL;
sub_list->size = 0;
return sub_list;
}
/* allocate memory for a sub list item */
static GSubItem *
new_gsubitem (GModule module, const char *data, int hits, unsigned long long bw)
{
GSubItem *sub_item = xmalloc (sizeof (GSubItem));
sub_item->data = data;
sub_item->hits = hits;
sub_item->bw = bw;
sub_item->module = module;
sub_item->prev = NULL;
sub_item->next = NULL;
return sub_item;
}
/* add an item to the end of a given sub list */
void
add_sub_item_back (GSubList * sub_list, GModule module, const char *data,
int hits, unsigned long long bw)
{
GSubItem *sub_item = new_gsubitem (module, data, hits, bw);
if (sub_list->tail) {
sub_list->tail->next = sub_item;
sub_item->prev = sub_list->tail;
sub_list->tail = sub_item;
} else {
sub_list->head = sub_item;
sub_list->tail = sub_item;
}
sub_list->size++;
}
/* delete entire given sub list */
static void
delete_sub_list (GSubList * sub_list)
{
GSubItem *item = item;
GSubItem *next = next;
if (sub_list != NULL && sub_list->size == 0)
goto clear;
if (sub_list->size == 0)
return;
for (item = sub_list->head; item; item = next) {
next = item->next;
free (item);
}
clear:
sub_list->head = NULL;
sub_list->size = 0;
free (sub_list);
}
/* free memory allocated in holder for specific module */
void
free_holder_by_module (GHolder ** holder, GModule module)
{
GSubList *sub_list;
int j;
if ((*holder) == NULL)
return;
for (j = 0; j < (*holder)[module].holder_size; j++) {
sub_list = (*holder)[module].items[j].sub_list;
/* free the sub list */
if (sub_list != NULL)
delete_sub_list (sub_list);
if ((*holder)[module].items[j].data != NULL)
free ((*holder)[module].items[j].data);
}
free ((*holder)[module].items);
(*holder)[module].holder_size = 0;
(*holder)[module].idx = 0;
(*holder)[module].sub_items_size = 0;
}
/* free memory allocated in holder */
void
free_holder (GHolder ** holder)
{
GSubList *sub_list;
int i, j;
if ((*holder) == NULL)
return;
for (i = 0; i < TOTAL_MODULES; i++) {
for (j = 0; j < (*holder)[i].holder_size; j++) {
sub_list = (*holder)[i].items[j].sub_list;
/* free the sub list */
if (sub_list != NULL)
delete_sub_list (sub_list);
if ((*holder)[i].items[j].data != NULL)
free ((*holder)[i].items[j].data);
}
free ((*holder)[i].items);
}
free (*holder);
(*holder) = NULL;
}
/* allocate memory for ht raw data */
static GRawData *
new_grawdata (void)
{
GRawData *raw_data = xmalloc (sizeof (GRawData));
memset (raw_data, 0, sizeof *raw_data);
return raw_data;
}
/* allocate memory for raw data items */
static GRawDataItem *
new_grawdata_item (unsigned int size)
{
GRawDataItem *item = xcalloc (size, sizeof (GRawDataItem));
return item;
}
/* free memory allocated in raw data */
static void
free_raw_data (GRawData * raw_data)
{
free (raw_data->items);
free (raw_data);
}
/**
* Determine which module should be expanded given the
* current mouse position.
*/
int
set_module_from_mouse_event (GScrolling * scrolling, GDash * dash, int y)
{
int module = 0, i;
int offset = y - MAX_HEIGHT_HEADER - MAX_HEIGHT_FOOTER + 1;
if (scrolling->expanded) {
for (i = 0; i < TOTAL_MODULES; i++) {
/* set current module */
if (dash->module[i].pos_y == offset) {
module = i;
break;
}
/* we went over by one module, set current - 1 */
if (dash->module[i].pos_y > offset) {
module = i - 1;
break;
}
}
} else {
offset += scrolling->dash;
module = offset / DASH_COLLAPSED;
}
if (module >= TOTAL_MODULES)
module = TOTAL_MODULES - 1;
else if (module < 0)
module = 0;
if ((int) scrolling->current == module)
return 1;
scrolling->current = module;
return 0;
}
/* calculate hits percentage */
float
get_percentage (unsigned long long total, unsigned long long hit)
{
return ((float) (hit * 100) / (total));
}
/* render child nodes */
static char *
render_child_node (const char *data)
{
char *buf;
int len = 0;
#ifdef HAVE_LIBNCURSESW
const char *bend = "\xe2\x94\x9c";
const char *horz = "\xe2\x94\x80";
#else
const char *bend = "|";
const char *horz = "`-";
#endif
if (data == NULL || *data == '\0')
return NULL;
len = snprintf (NULL, 0, " %s%s %s", bend, horz, data);
buf = xmalloc (len + 3);
sprintf (buf, " %s%s %s", bend, horz, data);
return buf;
}
/* get a string of bars given current hits, maximum hit & xpos */
static char *
get_bars (int n, int max, int x)
{
int w, h, len;
getmaxyx (stdscr, h, w);
(void) h; /* avoid lint warning */
if ((len = (n * (w - x) / max)) < 1)
len = 1;
return char_repeat (len, '|');
}
/*get largest data's length */
static int
get_max_data_len (GDashData * data, int size)
{
int i, max = 0, len;
for (i = 0; i < size; i++) {
if (data[i].data == NULL)
continue;
len = strlen (data[i].data);
if (len > max)
max = len;
}
return max;
}
/*get largest hit's length */
static int
get_max_hit_len (GDashData * data, int size)
{
int i, max = 0;
for (i = 0; i < size; i++) {
int len = intlen (data[i].hits);
if (len > max)
max = len;
}
return max;
}
/* get largest hit */
static int
get_max_hit (GDashData * data, int size)
{
int i, max = 0;
for (i = 0; i < size; i++) {
int cur = 0;
if ((cur = data[i].hits) > max)
max = cur;
}
return max;
}
/* set item's percent in GDashData */
static float
set_percent_data (GDashData * data, int n, int process)
{
float max = 0.0;
int i;
for (i = 0; i < n; i++) {
data[i].percent = get_percentage (process, data[i].hits);
if (data[i].percent > max)
max = data[i].percent;
}
return max;
}
/* render module's total */
static void
render_total_label (WINDOW * win, GDashModule * module_data, int y)
{
char *s;
int win_h, win_w, total, ht_size;
total = module_data->holder_size;
ht_size = module_data->ht_size;
s = xmalloc (snprintf (NULL, 0, "Total: %d/%d", total, ht_size) + 1);
getmaxyx (win, win_h, win_w);
(void) win_h;
sprintf (s, "Total: %d/%d", total, ht_size);
wattron (win, COLOR_PAIR (HIGHLIGHT));
mvwprintw (win, y, win_w - strlen (s) - 2, "%s", s);
wattroff (win, COLOR_PAIR (HIGHLIGHT));
free (s);
}
/* render dashboard bars (graph) */
static void
render_bars (WINDOW * win, GDashModule * module_data, int y, int *x, int idx,
int w, int selected)
{
const GDashStyle *style = module_style;
GModule module = module_data->module;
char *bar;
if (style[module].color_bars == -1)
return;
bar = get_bars (module_data->data[idx].hits, module_data->max_hits, *x);
if (selected) {
if (conf.color_scheme == STD_GREEN)
init_pair (1, COLOR_BLACK, COLOR_GREEN);
else
init_pair (1, COLOR_BLACK, COLOR_WHITE);
wattron (win, COLOR_PAIR (HIGHLIGHT));
mvwhline (win, y, *x, ' ', w);
mvwprintw (win, y, *x, "%s", bar);
wattroff (win, COLOR_PAIR (HIGHLIGHT));
} else {
mvwprintw (win, y, *x, "%s", bar);
}
free (bar);
}
/* render dashboard data */
static void
render_data (WINDOW * win, GDashModule * module_data, int y, int *x, int idx,
int w, int selected)
{
char buf[DATE_LEN];
char *data;
const GDashStyle *style = module_style;
GModule module = module_data->module;
data = substring (module_data->data[idx].data, 0, w - *x);
if (module == VISITORS)
convert_date (buf, data, "%Y%m%d", "%d/%b/%Y", DATE_LEN);
if (selected) {
if (conf.color_scheme == STD_GREEN)
init_pair (1, COLOR_BLACK, COLOR_GREEN);
else
init_pair (1, COLOR_BLACK, COLOR_WHITE);
wattron (win, COLOR_PAIR (HIGHLIGHT));
if (module_data->module == HOSTS && module_data->data[idx].is_subitem)
mvwhline (win, y, 0, ' ', w);
else
mvwhline (win, y, *x, ' ', w);
mvwprintw (win, y, *x, "%s", module == VISITORS ? buf : data);
wattroff (win, COLOR_PAIR (HIGHLIGHT));
} else {
wattron (win, COLOR_PAIR (style[module].color_hits));
mvwprintw (win, y, *x, "%s", module == VISITORS ? buf : data);
wattroff (win, COLOR_PAIR (style[module].color_hits));
}
*x += module == VISITORS ? DATE_LEN - 1 : module_data->data_len;
*x += DASH_SPACE;
free (data);
}
/* render dashboard request method */
static void
render_method (WINDOW * win, GDashModule * module_data, int y, int *x, int idx,
int w, int selected)
{
const char *method = module_data->data[idx].method;
const GDashStyle *style = module_style;
GModule module = module_data->module;
if (style[module].color_method == -1)
return;
if (method == NULL || *method == '\0')
return;
if (selected) {
if (conf.color_scheme == STD_GREEN)
init_pair (1, COLOR_BLACK, COLOR_GREEN);
else
init_pair (1, COLOR_BLACK, COLOR_WHITE);
wattron (win, COLOR_PAIR (HIGHLIGHT));
mvwhline (win, y, *x, ' ', w);
mvwprintw (win, y, *x, "%s", method);
wattroff (win, COLOR_PAIR (HIGHLIGHT));
} else {
wattron (win, A_BOLD | COLOR_PAIR (style[module].color_method));
mvwprintw (win, y, *x, "%s", method);
wattroff (win, A_BOLD | COLOR_PAIR (style[module].color_method));
}
*x += strlen (module_data->data[idx].method) + DASH_SPACE;
}
/* render dashboard request protocol */
static void
render_protocol (WINDOW * win, GDashModule * module_data, int y, int *x,
int idx, int w, int selected)
{
const char *protocol = module_data->data[idx].protocol;
const GDashStyle *style = module_style;
GModule module = module_data->module;
if (style[module].color_protocol == -1)
return;
if (protocol == NULL || *protocol == '\0')
return;
if (selected) {
if (conf.color_scheme == STD_GREEN)
init_pair (1, COLOR_BLACK, COLOR_GREEN);
else
init_pair (1, COLOR_BLACK, COLOR_WHITE);
wattron (win, COLOR_PAIR (HIGHLIGHT));
mvwhline (win, y, *x, ' ', w);
mvwprintw (win, y, *x, "%s", protocol);
wattroff (win, COLOR_PAIR (HIGHLIGHT));
} else {
wattron (win, COLOR_PAIR (style[module].color_protocol));
mvwprintw (win, y, *x, "%s", protocol);
wattroff (win, COLOR_PAIR (style[module].color_protocol));
}
*x += REQ_PROTO_LEN - 1 + DASH_SPACE;
}
/* render dashboard usecs */
static void
render_usecs (WINDOW * win, GDashModule * module_data, int y, int *x, int idx,
int w, int selected)
{
const GDashStyle *style = module_style;
GModule module = module_data->module;
if (module_data->module == HOSTS && module_data->data[idx].is_subitem)
goto inc;
if (style[module].color_usecs == -1)
return;
if (selected) {
if (conf.color_scheme == STD_GREEN)
init_pair (1, COLOR_BLACK, COLOR_GREEN);
else
init_pair (1, COLOR_BLACK, COLOR_WHITE);
wattron (win, COLOR_PAIR (HIGHLIGHT));
mvwhline (win, y, *x, ' ', w);
mvwprintw (win, y, *x, "%9s", module_data->data[idx].serve_time);
wattroff (win, COLOR_PAIR (HIGHLIGHT));
} else {
wattron (win, A_BOLD | COLOR_PAIR (style[module].color_usecs));
mvwprintw (win, y, *x, "%9s", module_data->data[idx].serve_time);
wattroff (win, A_BOLD | COLOR_PAIR (style[module].color_usecs));
}
inc:
*x += DASH_SRV_TM_LEN + DASH_SPACE;
}
/* render dashboard bandwidth */
static void
render_bandwidth (WINDOW * win, GDashModule * module_data, int y, int *x,
int idx, int w, int selected)
{
const GDashStyle *style = module_style;
GModule module = module_data->module;
if (module_data->module == HOSTS && module_data->data[idx].is_subitem)
goto inc;
if (style[module].color_bw == -1)
return;
if (selected) {
if (conf.color_scheme == STD_GREEN)
init_pair (1, COLOR_BLACK, COLOR_GREEN);
else
init_pair (1, COLOR_BLACK, COLOR_WHITE);
wattron (win, COLOR_PAIR (HIGHLIGHT));
mvwhline (win, y, *x, ' ', w);
mvwprintw (win, y, *x, "%11s", module_data->data[idx].bandwidth);
wattroff (win, COLOR_PAIR (HIGHLIGHT));
} else {
wattron (win, A_BOLD | COLOR_PAIR (style[module].color_bw));
mvwprintw (win, y, *x, "%11s", module_data->data[idx].bandwidth);
wattroff (win, A_BOLD | COLOR_PAIR (style[module].color_bw));
}
inc:
*x += DASH_BW_LEN + DASH_SPACE;
}
/* render dashboard percent */
static void
render_percent (WINDOW * win, GDashModule * module_data, int y, int *x, int idx,
int w, int selected)
{
int max_hit = 0;
const GDashStyle *style = module_style;
GModule module = module_data->module;
if (module_data->module == HOSTS && module_data->data[idx].is_subitem)
goto inc;
if (style[module].color_percent == -1)
return;
if (module_data->max_hits == module_data->data[idx].hits)
max_hit = 1;
if (selected) {
if (conf.color_scheme == STD_GREEN)
init_pair (1, COLOR_BLACK, COLOR_GREEN);
else
init_pair (1, COLOR_BLACK, COLOR_WHITE);
wattron (win, COLOR_PAIR (HIGHLIGHT));
mvwhline (win, y, *x, ' ', w);
mvwprintw (win, y, *x, "%.2f%%", module_data->data[idx].percent);
wattroff (win, COLOR_PAIR (HIGHLIGHT));
} else {
wattron (win, A_BOLD | COLOR_PAIR (style[module].color_percent));
if (max_hit)
wattron (win, A_BOLD | COLOR_PAIR (COL_YELLOW));
if (style[module].color_percent == COL_BLACK)
wattron (win, A_BOLD | COLOR_PAIR (style[module].color_percent));
mvwprintw (win, y, *x, "%.2f%%", module_data->data[idx].percent);
if (style[module].color_percent == COL_BLACK)
wattroff (win, A_BOLD | COLOR_PAIR (style[module].color_percent));
if (max_hit)
wattroff (win, A_BOLD | COLOR_PAIR (COL_YELLOW));
wattroff (win, A_BOLD | COLOR_PAIR (style[module].color_percent));
}
inc:
*x += module_data->perc_len + DASH_SPACE;
}
/* render dashboard hits */
static void
render_hits (WINDOW * win, GDashModule * module_data, int y, int *x, int idx,
int w, int selected)
{
const GDashStyle *style = module_style;
GModule module = module_data->module;
if (module_data->module == HOSTS && module_data->data[idx].is_subitem)
goto inc;
if (selected) {
if (conf.color_scheme == STD_GREEN)
init_pair (1, COLOR_BLACK, COLOR_GREEN);
else
init_pair (1, COLOR_BLACK, COLOR_WHITE);
wattron (win, COLOR_PAIR (HIGHLIGHT));
mvwhline (win, y, 0, ' ', w);
mvwprintw (win, y, *x, "%d", module_data->data[idx].hits);
wattroff (win, COLOR_PAIR (HIGHLIGHT));
} else {
wattron (win, COLOR_PAIR (style[module].color_hits));
mvwprintw (win, y, *x, "%d", module_data->data[idx].hits);
wattroff (win, COLOR_PAIR (style[module].color_hits));
}
inc:
*x += module_data->hits_len + DASH_SPACE;
}
/* render dashboard content */
static void
render_content (WINDOW * win, GDashModule * module_data, int *y, int *offset,
int *total, GScrolling * scrolling)
{
char *hd;
GModule module = module_data->module;
int expanded = 0, sel = 0, host_bars = 0, size;
int i, k, j, x = 0, w, h;
if (!conf.skip_term_resolver)
host_bars = 1;
#ifdef HAVE_LIBGEOIP
host_bars = 1;
#endif
getmaxyx (win, h, w);
if (scrolling->expanded && module == scrolling->current)
expanded = 1;
size = module_data->dash_size;
for (i = *offset, j = 0; i < size; i++) {
/* header */
if ((i % size) == DASH_HEAD_POS) {
k = module + 1;
hd = xmalloc (snprintf (NULL, 0, "%d - %s", k, module_data->head) + 1);
sprintf (hd, "%d - %s", k, module_data->head);
draw_header (win, hd, 0, (*y), w, 1);
free (hd);
render_total_label (win, module_data, (*y));
module_data->pos_y = (*y);
(*y)++;
}
/* description */
else if ((i % size) == DASH_DESC_POS)
draw_header (win, module_data->desc, 0, (*y)++, w, 2);
/* blank lines */
else if ((i % size) == DASH_EMPTY_POS || (i % size) == size - 1)
(*y)++;
/* actual data */
else if ((i % size) >= DASH_DATA_POS || (i % size) <= size - 2) {
x = DASH_INIT_X;
/* account for 2 lines at the header and 2 blank lines */
j = ((i % size) - DASH_DATA_POS) + scrolling->module[module].offset;
if (j < module_data->idx_data) {
sel = expanded && j == scrolling->module[module].scroll ? 1 : 0;
render_hits (win, module_data, *y, &x, j, w, sel);
render_percent (win, module_data, *y, &x, j, w, sel);
render_bandwidth (win, module_data, *y, &x, j, w, sel);
/* render usecs if available */
if (conf.serve_usecs)
render_usecs (win, module_data, *y, &x, j, w, sel);
/* render request method if available */
if (conf.append_protocol)
render_protocol (win, module_data, *y, &x, j, w, sel);
/* render request method if available */
if (conf.append_method)
render_method (win, module_data, *y, &x, j, w, sel);
render_data (win, module_data, *y, &x, j, w, sel);
/* skip graph bars if module is expanded and we have sub nodes */
if (module == HOSTS && expanded && host_bars);
else
render_bars (win, module_data, *y, &x, j, w, sel);
}
(*y)++;
}
/* everything else should be empty */
else
(*y)++;
(*total)++;
if (*y >= h)
break;
}
}
/* entry point to render dashboard */
void
display_content (WINDOW * win, GLog * logger, GDash * dash,
GScrolling * scrolling)
{
float max_percent = 0.0;
int i, j, n = 0, process = 0;
int y = 0, offset = 0, total = 0;
int dash_scroll = scrolling->dash;
werase (win);
for (i = 0; i < TOTAL_MODULES; i++) {
n = dash->module[i].idx_data;
offset = 0;
for (j = 0; j < dash->module[i].dash_size; j++) {
if (dash_scroll > total) {
offset++;
total++;
}
}
/* Every module other than VISITORS, BROWSERS and OS
* will use total req as base
*/
switch (i) {
case VISITORS:
case BROWSERS:
case OS:
process = g_hash_table_size (ht_unique_visitors);
break;
default:
process = logger->process;
}
max_percent = set_percent_data (dash->module[i].data, n, process);
dash->module[i].module = i;
dash->module[i].max_hits = get_max_hit (dash->module[i].data, n);
dash->module[i].hits_len = get_max_hit_len (dash->module[i].data, n);
dash->module[i].data_len = get_max_data_len (dash->module[i].data, n);
dash->module[i].perc_len = intlen ((int) max_percent) + 4;
render_content (win, &dash->module[i], &y, &offset, &total, scrolling);
}
wrefresh (win);
}
/* reset scroll and offset for each module */
void
reset_scroll_offsets (GScrolling * scrolling)
{
int i;
for (i = 0; i < TOTAL_MODULES; i++) {
scrolling->module[i].scroll = 0;
scrolling->module[i].offset = 0;
}
}
/* compile the regular expression and see if it's valid */
static int
regexp_init (regex_t * regex, const char *pattern)
{
int y, x, rc;
char buf[REGEX_ERROR];
getmaxyx (stdscr, y, x);
rc = regcomp (regex, pattern, REG_EXTENDED | (find_t.icase ? REG_ICASE : 0));
/* something went wrong */
if (rc != 0) {
regerror (rc, regex, buf, sizeof (buf));
draw_header (stdscr, buf, 0, y - 1, x, WHITE_RED);
refresh ();
return 1;
}
return 0;
}
/* set search scrolling */
static void
perform_find_dash_scroll (GScrolling * scrolling, GModule module)
{
int *scrll, *offset;
int exp_size = DASH_EXPANDED - DASH_NON_DATA;
/* reset scrolling offsets if we are changing module */
if (scrolling->current != module)
reset_scroll_offsets (scrolling);
scrll = &scrolling->module[module].scroll;
offset = &scrolling->module[module].offset;
(*scrll) = find_t.next_idx;
if (*scrll >= exp_size && *scrll >= *offset + exp_size)
(*offset) = (*scrll) < exp_size - 1 ? 0 : (*scrll) - exp_size + 1;
scrolling->current = module;
scrolling->dash = module * DASH_COLLAPSED;
scrolling->expanded = 1;
find_t.module = module;
}
/* find item within the given sub_list */
static int
find_next_sub_item (GSubList * sub_list, regex_t * regex)
{
GSubItem *iter;
int i = 0, rc;
if (sub_list == NULL)
goto out;
for (iter = sub_list->head; iter; iter = iter->next) {
if (i >= find_t.next_sub_idx) {
rc = regexec (regex, iter->data, 0, NULL, 0);
if (rc == 0) {
find_t.next_idx++;
find_t.next_sub_idx = (1 + i);
return 0;
}
find_t.next_idx++;
}
i++;
}
out:
find_t.next_parent_idx++;
find_t.next_sub_idx = 0;
find_t.look_in_sub = 0;
return 1;
}
/* perform a forward search across all modules */
int
perform_next_find (GHolder * h, GScrolling * scrolling)
{
int y, x, j, n, rc;
char buf[REGEX_ERROR];
char *data;
regex_t regex;
GModule module;
GSubList *sub_list;
getmaxyx (stdscr, y, x);
if (find_t.pattern == NULL || *find_t.pattern == '\0')
return 1;
/* compile and initialize regexp */
if (regexp_init (®ex, find_t.pattern))
return 1;
/* use last find_t.module and start search */
for (module = find_t.module; module < TOTAL_MODULES; module++) {
n = h[module].idx;
for (j = find_t.next_parent_idx; j < n; j++, find_t.next_idx++) {
data = h[module].items[j].data;
rc = regexec (®ex, data, 0, NULL, 0);
if (rc != 0 && rc != REG_NOMATCH) {
regerror (rc, ®ex, buf, sizeof (buf));
draw_header (stdscr, buf, 0, y - 1, x, WHITE_RED);
refresh ();
regfree (®ex);
return 1;
} else if (rc == 0 && !find_t.look_in_sub) {
find_t.look_in_sub = 1;
goto found;
} else {
sub_list = h[module].items[j].sub_list;
if (find_next_sub_item (sub_list, ®ex) == 0)
goto found;
}
}
/* reset find */
find_t.next_idx = 0;
find_t.next_parent_idx = 0;
find_t.next_sub_idx = 0;
if (find_t.module != module) {
reset_scroll_offsets (scrolling);
scrolling->expanded = 0;
}
if (module == TOTAL_MODULES - 1) {
find_t.module = 0;
goto out;
}
}
found:
perform_find_dash_scroll (scrolling, module);
out:
regfree (®ex);
return 0;
}
/* render find dialog */
int
render_find_dialog (WINDOW * main_win, GScrolling * scrolling)
{
int y, x, valid = 1;
int w = FIND_DLG_WIDTH;
int h = FIND_DLG_HEIGHT;
char *query = NULL;
WINDOW *win;
getmaxyx (stdscr, y, x);
win = newwin (h, w, (y - h) / 2, (x - w) / 2);