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goaccess.c
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/**
* goaccess.c -- main log analyzer
* ______ ___
* / ____/___ / | _____________ __________
* / / __/ __ \/ /| |/ ___/ ___/ _ \/ ___/ ___/
* / /_/ / /_/ / ___ / /__/ /__/ __(__ |__ )
* \____/\____/_/ |_\___/\___/\___/____/____/
*
* The MIT License (MIT)
* Copyright (c) 2009-2016 Gerardo Orellana <hello @ goaccess.io>
*
* Permission is hereby granted, free of charge, to any person obtaining a copy
* of this software and associated documentation files (the "Software"), to deal
* in the Software without restriction, including without limitation the rights
* to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
* copies of the Software, and to permit persons to whom the Software is
* furnished to do so, subject to the following conditions:
*
* The above copyright notice and this permission notice shall be included in all
* copies or substantial portions of the Software.
*
* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
* IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
* FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
* AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
* LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
* OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
* SOFTWARE.
*/
#define _LARGEFILE_SOURCE
#define _LARGEFILE64_SOURCE
#define _FILE_OFFSET_BITS 64
#include <assert.h>
#include <ctype.h>
#include <errno.h>
#include <locale.h>
#if HAVE_CONFIG_H
#include <config.h>
#endif
#include <fcntl.h>
#include <pthread.h>
#include <signal.h>
#include <stdint.h>
#include <stdio.h>
#include <stdlib.h>
#include <string.h>
#include <sys/stat.h>
#include <sys/types.h>
#include <unistd.h>
#ifdef HAVE_LIBTOKYOCABINET
#include "tcabdb.h"
#else
#include "gkhash.h"
#endif
#ifdef HAVE_GEOLOCATION
#include "geoip1.h"
#endif
#include "csv.h"
#include "error.h"
#include "gdashboard.h"
#include "gdns.h"
#include "gholder.h"
#include "goaccess.h"
#include "gwsocket.h"
#include "json.h"
#include "options.h"
#include "output.h"
#include "util.h"
#include "websocket.h"
#include "xmalloc.h"
GConf conf = {
.append_method = 1,
.append_protocol = 1,
.hl_header = 1,
.num_tests = 10,
};
/* Loading/Spinner */
GSpinner *parsing_spinner;
/* active reverse dns flag */
int active_gdns = 0;
/* WebSocket server - writer and reader threads */
static GWSWriter *gwswriter;
static GWSReader *gwsreader;
/* Dashboard data structure */
static GDash *dash;
/* Data holder structure */
static GHolder *holder;
/* Log line properties structure */
static GLog *glog;
/* Old signal mask */
static sigset_t oldset;
/* Curses windows */
static WINDOW *header_win, *main_win;
static int main_win_height = 0;
/* *INDENT-OFF* */
static GScroll gscroll = {
{
{0, 0}, /* visitors {scroll, offset} */
{0, 0}, /* requests {scroll, offset} */
{0, 0}, /* req static {scroll, offset} */
{0, 0}, /* not found {scroll, offset} */
{0, 0}, /* hosts {scroll, offset} */
{0, 0}, /* os {scroll, offset} */
{0, 0}, /* browsers {scroll, offset} */
{0, 0}, /* visit times {scroll, offset} */
{0, 0}, /* referrers {scroll, offset} */
{0, 0}, /* ref sites {scroll, offset} */
{0, 0}, /* keywords {scroll, offset} */
#ifdef HAVE_GEOLOCATION
{0, 0}, /* geolocation {scroll, offset} */
#endif
{0, 0}, /* status {scroll, offset} */
},
0, /* current module */
0, /* main dashboard scroll */
0, /* expanded flag */
};
/* *INDENT-ON* */
/* Free malloc'd holder */
static void
house_keeping_holder (void)
{
/* REVERSE DNS THREAD */
pthread_mutex_lock (&gdns_thread.mutex);
/* kill dns pthread */
active_gdns = 0;
/* clear holder structure */
free_holder (&holder);
/* clear reverse dns queue */
gdns_free_queue ();
/* clear the whole storage */
free_storage ();
pthread_mutex_unlock (&gdns_thread.mutex);
}
/* Free malloc'd data across the whole program */
static void
house_keeping (void)
{
#ifdef TCB_MEMHASH
/* free malloc'd int values on the agent list */
if (conf.list_agents)
free_agent_list ();
#endif
house_keeping_holder ();
/* DASHBOARD */
if (dash && !conf.output_stdout) {
free_dashboard (dash);
reset_find ();
}
/* GEOLOCATION */
#ifdef HAVE_GEOLOCATION
geoip_free ();
#endif
/* LOGGER */
if (glog->pipe)
fclose (glog->pipe);
free_logerrors (glog);
free (glog);
/* INVALID REQUESTS */
if (conf.invalid_requests_log) {
LOG_DEBUG (("Closing invalid requests log.\n"));
invalid_log_close ();
}
/* CONFIGURATION */
free_formats ();
if (conf.debug_log) {
LOG_DEBUG (("Bye.\n"));
dbg_log_close ();
}
/* clear spinner */
free (parsing_spinner);
/* free colors */
free_color_lists ();
/* free cmd arguments */
free_cmd_args ();
/* WebSocket writer */
free (gwswriter);
/* WebSocket reader */
free (gwsreader);
}
/* Open the pidfile whose name is specified in the given path and write
* the daemonized given pid. */
static void
write_pid_file (const char *path, pid_t pid)
{
FILE *pidfile;
if (!path)
return;
if ((pidfile = fopen (path, "w"))) {
fprintf (pidfile, "%d", pid);
fclose (pidfile);
} else {
FATAL ("Unable to open the specified pid file. %s", strerror (errno));
}
}
/* Set GoAccess to run as a daemon */
static void
daemonize (void)
{
pid_t pid, sid;
int fd;
/* Clone ourselves to make a child */
pid = fork ();
if (pid < 0)
exit (EXIT_FAILURE);
if (pid > 0) {
write_pid_file (conf.pidfile, pid);
printf ("Daemonized GoAccess: %d\n", pid);
exit (EXIT_SUCCESS);
}
umask (0);
/* attempt to create our own process group */
sid = setsid ();
if (sid < 0) {
LOG_DEBUG (("Unable to setsid: %s.\n", strerror (errno)));
exit (EXIT_FAILURE);
}
/* set the working directory to the root directory.
* requires the user to specify absolute paths */
if (chdir ("/") < 0) {
LOG_DEBUG (("Unable to set chdir: %s.\n", strerror (errno)));
exit (EXIT_FAILURE);
}
/* redirect fd's 0,1,2 to /dev/null */
/* Note that the user will need to use --debug-file for log output */
if ((fd = open ("/dev/null", O_RDWR, 0)) == -1) {
LOG_DEBUG (("Unable to open /dev/null: %s.\n", strerror (errno)));
exit (EXIT_FAILURE);
}
dup2 (fd, STDIN_FILENO);
dup2 (fd, STDOUT_FILENO);
dup2 (fd, STDERR_FILENO);
if (fd > STDERR_FILENO) {
close (fd);
}
}
/* Extract data from the given module hash structure and allocate +
* load data from the hash table into an instance of GHolder */
static void
allocate_holder_by_module (GModule module)
{
GRawData *raw_data;
/* extract data from the corresponding hash table */
raw_data = parse_raw_data (module);
if (!raw_data) {
LOG_DEBUG (("raw data is NULL for module: %d.\n", module));
return;
}
load_holder_data (raw_data, holder + module, module, module_sort[module]);
}
/* Iterate over all modules/panels and extract data from hash
* structures and load it into an instance of GHolder */
static void
allocate_holder (void)
{
size_t idx = 0;
holder = new_gholder (TOTAL_MODULES);
FOREACH_MODULE (idx, module_list) {
allocate_holder_by_module (module_list[idx]);
}
}
/* Extract data from the modules GHolder structure and load it into
* the terminal dashboard */
static void
allocate_data_by_module (GModule module, int col_data)
{
int size = 0, max_choices = get_max_choices ();
dash->module[module].head = module_to_head (module);
dash->module[module].desc = module_to_desc (module);
size = holder[module].idx;
if (gscroll.expanded && module == gscroll.current) {
size = size > max_choices ? max_choices : holder[module].idx;
} else {
size = holder[module].idx > col_data ? col_data : holder[module].idx;
}
dash->module[module].alloc_data = size; /* data allocated */
dash->module[module].ht_size = holder[module].ht_size; /* hash table size */
dash->module[module].idx_data = 0;
dash->module[module].pos_y = 0;
if (gscroll.expanded && module == gscroll.current)
dash->module[module].dash_size = DASH_EXPANDED;
else
dash->module[module].dash_size = DASH_COLLAPSED;
dash->total_alloc += dash->module[module].dash_size;
pthread_mutex_lock (&gdns_thread.mutex);
load_data_to_dash (&holder[module], dash, module, &gscroll);
pthread_mutex_unlock (&gdns_thread.mutex);
}
/* Iterate over all modules/panels and extract data from GHolder
* structure and load it into the terminal dashboard */
static void
allocate_data (void)
{
GModule module;
int col_data = get_num_collapsed_data_rows ();
size_t idx = 0;
dash = new_gdash ();
FOREACH_MODULE (idx, module_list) {
module = module_list[idx];
allocate_data_by_module (module, col_data);
}
}
/* A wrapper to render all windows within the dashboard. */
static void
render_screens (void)
{
GColors *color = get_color (COLOR_DEFAULT);
int row, col, chg = 0;
getmaxyx (stdscr, row, col);
term_size (main_win, &main_win_height);
generate_time ();
chg = glog->processed - glog->offset;
draw_header (stdscr, "", "%s", row - 1, 0, col, color_default);
wattron (stdscr, color->attr | COLOR_PAIR (color->pair->idx));
mvaddstr (row - 1, 1, T_HELP_ENTER);
mvprintw (row - 1, 30, "%d - %s", chg, asctime (now_tm));
mvaddstr (row - 1, col - 21, T_QUIT);
mvprintw (row - 1, col - 5, "%s", GO_VERSION);
wattroff (stdscr, color->attr | COLOR_PAIR (color->pair->idx));
refresh ();
/* call general stats header */
display_general (header_win, glog, holder);
wrefresh (header_win);
/* display active label based on current module */
update_active_module (header_win, gscroll.current);
display_content (main_win, dash, &gscroll);
}
/* Collapse the current expanded module */
static void
collapse_current_module (void)
{
if (!gscroll.expanded)
return;
gscroll.expanded = 0;
reset_scroll_offsets (&gscroll);
free_dashboard (dash);
allocate_data ();
render_screens ();
}
/* Display message a the bottom of the terminal dashboard that panel
* is disabled */
static void
disabled_panel_msg (GModule module)
{
const char *lbl = module_to_label (module);
int row, col;
getmaxyx (stdscr, row, col);
draw_header (stdscr, lbl, ERR_PANEL_DISABLED, row - 1, 0, col, color_error);
}
/* Set the current module/panel */
static void
set_module_to (GScroll * scrll, GModule module)
{
if (get_module_index (module) == -1) {
disabled_panel_msg (module);
return;
}
/* scroll to panel */
if (!conf.no_tab_scroll)
gscroll.dash = get_module_index (module) * DASH_COLLAPSED;
/* reset expanded module */
collapse_current_module ();
scrll->current = module;
render_screens ();
}
/* Scroll expanded module or terminal dashboard to the top */
static void
scroll_to_first_line (void)
{
if (!gscroll.expanded)
gscroll.dash = 0;
else {
gscroll.module[gscroll.current].scroll = 0;
gscroll.module[gscroll.current].offset = 0;
}
}
/* Scroll expanded module or terminal dashboard to the last row */
static void
scroll_to_last_line (void)
{
int exp_size = get_num_expanded_data_rows ();
int scrll = 0, offset = 0;
if (!gscroll.expanded)
gscroll.dash = dash->total_alloc - main_win_height;
else {
scrll = dash->module[gscroll.current].idx_data - 1;
if (scrll >= exp_size && scrll >= offset + exp_size)
offset = scrll < exp_size - 1 ? 0 : scrll - exp_size + 1;
gscroll.module[gscroll.current].scroll = scrll;
gscroll.module[gscroll.current].offset = offset;
}
}
/* Load the user-agent window given the selected IP */
static void
load_ip_agent_list (void)
{
int type_ip = 0;
/* make sure we have a valid IP */
int sel = gscroll.module[gscroll.current].scroll;
GDashData item = dash->module[HOSTS].data[sel];
if (!invalid_ipaddr (item.metrics->data, &type_ip))
load_agent_list (main_win, item.metrics->data);
}
/* Expand the selected module */
static void
expand_current_module (void)
{
if (gscroll.expanded && gscroll.current == HOSTS) {
load_ip_agent_list ();
return;
}
/* expanded, nothing to do... */
if (gscroll.expanded)
return;
reset_scroll_offsets (&gscroll);
gscroll.expanded = 1;
free_holder_by_module (&holder, gscroll.current);
free_dashboard (dash);
allocate_holder_by_module (gscroll.current);
allocate_data ();
}
/* Expand the clicked module/panel given the Y event coordinate. */
static void
expand_module_from_ypos (int y)
{
/* ignore header/footer clicks */
if (y < MAX_HEIGHT_HEADER || y == LINES - 1)
return;
if (set_module_from_mouse_event (&gscroll, dash, y))
return;
reset_scroll_offsets (&gscroll);
gscroll.expanded = 1;
free_holder_by_module (&holder, gscroll.current);
free_dashboard (dash);
allocate_holder_by_module (gscroll.current);
allocate_data ();
render_screens ();
}
/* Expand the clicked module/panel */
static void
expand_on_mouse_click (void)
{
int ok_mouse;
MEVENT event;
ok_mouse = getmouse (&event);
if (!conf.mouse_support || ok_mouse != OK)
return;
if (event.bstate & BUTTON1_CLICKED)
expand_module_from_ypos (event.y);
}
/* Scroll dowm expanded module to the last row */
static void
scroll_down_expanded_module (void)
{
int exp_size = get_num_expanded_data_rows ();
int *scroll_ptr, *offset_ptr;
scroll_ptr = &gscroll.module[gscroll.current].scroll;
offset_ptr = &gscroll.module[gscroll.current].offset;
if (!gscroll.expanded)
return;
if (*scroll_ptr >= dash->module[gscroll.current].idx_data - 1)
return;
++(*scroll_ptr);
if (*scroll_ptr >= exp_size && *scroll_ptr >= *offset_ptr + exp_size)
++(*offset_ptr);
}
/* Scroll up expanded module */
static void
scroll_up_expanded_module (void)
{
int *scroll_ptr, *offset_ptr;
scroll_ptr = &gscroll.module[gscroll.current].scroll;
offset_ptr = &gscroll.module[gscroll.current].offset;
if (!gscroll.expanded)
return;
if (*scroll_ptr <= 0)
return;
--(*scroll_ptr);
if (*scroll_ptr < *offset_ptr)
--(*offset_ptr);
}
/* Scroll up terminal dashboard */
static void
scroll_up_dashboard (void)
{
gscroll.dash--;
}
/* Page up expanded module */
static void
page_up_module (void)
{
int exp_size = get_num_expanded_data_rows ();
int *scroll_ptr, *offset_ptr;
scroll_ptr = &gscroll.module[gscroll.current].scroll;
offset_ptr = &gscroll.module[gscroll.current].offset;
if (!gscroll.expanded)
return;
/* decrease scroll and offset by exp_size */
*scroll_ptr -= exp_size;
if (*scroll_ptr < 0)
*scroll_ptr = 0;
if (*scroll_ptr < *offset_ptr)
*offset_ptr -= exp_size;
if (*offset_ptr <= 0)
*offset_ptr = 0;
}
/* Page down expanded module */
static void
page_down_module (void)
{
int exp_size = get_num_expanded_data_rows ();
int *scroll_ptr, *offset_ptr;
scroll_ptr = &gscroll.module[gscroll.current].scroll;
offset_ptr = &gscroll.module[gscroll.current].offset;
if (!gscroll.expanded)
return;
*scroll_ptr += exp_size;
if (*scroll_ptr >= dash->module[gscroll.current].idx_data - 1)
*scroll_ptr = dash->module[gscroll.current].idx_data - 1;
if (*scroll_ptr >= exp_size && *scroll_ptr >= *offset_ptr + exp_size)
*offset_ptr += exp_size;
if (*offset_ptr + exp_size >= dash->module[gscroll.current].idx_data - 1)
*offset_ptr = dash->module[gscroll.current].idx_data - exp_size;
if (*scroll_ptr < exp_size - 1)
*offset_ptr = 0;
}
/* Create a new find dialog window and render it. Upon closing the
* window, dashboard is refreshed. */
static void
render_search_dialog (int search)
{
if (render_find_dialog (main_win, &gscroll))
return;
pthread_mutex_lock (&gdns_thread.mutex);
search = perform_next_find (holder, &gscroll);
pthread_mutex_unlock (&gdns_thread.mutex);
if (search != 0)
return;
free_dashboard (dash);
allocate_data ();
render_screens ();
}
/* Search for the next occurrence within the dashboard structure */
static void
search_next_match (int search)
{
pthread_mutex_lock (&gdns_thread.mutex);
search = perform_next_find (holder, &gscroll);
pthread_mutex_unlock (&gdns_thread.mutex);
if (search != 0)
return;
free_dashboard (dash);
allocate_data ();
render_screens ();
}
/* Update holder structure and dashboard screen */
static void
tail_term (void)
{
pthread_mutex_lock (&gdns_thread.mutex);
free_holder (&holder);
pthread_cond_broadcast (&gdns_thread.not_empty);
pthread_mutex_unlock (&gdns_thread.mutex);
free_dashboard (dash);
allocate_holder ();
allocate_data ();
term_size (main_win, &main_win_height);
render_screens ();
}
static void
tail_html (void)
{
char *json = NULL;
pthread_mutex_lock (&gdns_thread.mutex);
free_holder (&holder);
pthread_cond_broadcast (&gdns_thread.not_empty);
pthread_mutex_unlock (&gdns_thread.mutex);
allocate_holder ();
pthread_mutex_lock (&gdns_thread.mutex);
json = get_json (glog, holder, 0);
pthread_mutex_unlock (&gdns_thread.mutex);
if (json == NULL)
return;
broadcast_holder (gwswriter->fd, json, strlen (json));
free (json);
}
/* Fast-forward latest JSON data when client connection is opened. */
static void
fast_forward_client (int listener)
{
char *json = NULL;
pthread_mutex_lock (&gdns_thread.mutex);
json = get_json (glog, holder, 0);
pthread_mutex_unlock (&gdns_thread.mutex);
if (json == NULL)
return;
pthread_mutex_lock (&gwswriter->mutex);
send_holder_to_client (gwswriter->fd, listener, json, strlen (json));
pthread_mutex_unlock (&gwswriter->mutex);
free (json);
}
/* Start reading data coming from the client side through the
* WebSocket server. */
void
read_client (void *ptr_data)
{
GWSReader *reader = (GWSReader *) ptr_data;
fd_set rfds, wfds;
FD_ZERO (&rfds);
FD_ZERO (&wfds);
/* check we have a fifo for reading */
if (reader->fd == -1)
return;
pthread_mutex_lock (&reader->mutex);
set_self_pipe (reader->self_pipe);
pthread_mutex_unlock (&reader->mutex);
while (1) {
/* select(2) will block */
if (read_fifo (reader, rfds, wfds, fast_forward_client))
break;
}
close (reader->fd);
}
/* Parse tailed lines */
static void
parse_tail_follow (FILE * fp)
{
#ifdef WITH_GETLINE
char *buf = NULL;
#else
char buf[LINE_BUFFER] = { 0 };
#endif
#ifdef WITH_GETLINE
while ((buf = fgetline (fp)) != NULL) {
#else
while (fgets (buf, LINE_BUFFER, fp) != NULL) {
#endif
pthread_mutex_lock (&gdns_thread.mutex);
parse_log (&glog, buf, 0);
pthread_mutex_unlock (&gdns_thread.mutex);
#ifdef WITH_GETLINE
free (buf);
#endif
}
}
/* Process appended log data */
static void
perform_tail_follow (uint64_t * size1, const char *fn)
{
FILE *fp = NULL;
uint64_t size2 = 0;
if (fn[0] == '-' && fn[1] == '\0') {
parse_tail_follow (glog->pipe);
goto out;
}
if (glog->load_from_disk_only)
return;
size2 = file_size (fn);
/* file hasn't changed */
if (size2 == *size1)
return;
if (!(fp = fopen (fn, "r")))
FATAL ("Unable to read log file %s.", strerror (errno));
if (!fseeko (fp, *size1, SEEK_SET))
parse_tail_follow (fp);
fclose (fp);
*size1 = size2;
out:
if (!conf.output_stdout)
tail_term ();
else
tail_html ();
usleep (200000); /* 0.2 seconds */
}
/* Entry point to start processing the HTML output */
static void
process_html (const char *filename)
{
uint64_t *size1 = NULL;
int i = 0;
/* render report */
pthread_mutex_lock (&gdns_thread.mutex);
output_html (glog, holder, filename);
pthread_mutex_unlock (&gdns_thread.mutex);
/* not real time? */
if (!conf.real_time_html)
return;
/* ignore loading from disk */
if (glog->load_from_disk_only)
return;
pthread_mutex_lock (&gwswriter->mutex);
gwswriter->fd = open_fifoin ();
pthread_mutex_unlock (&gwswriter->mutex);
/* open fifo for write */
if (gwswriter->fd == -1)
return;
size1 = xcalloc (conf.filenames_idx, sizeof (uint64_t));
for (i = 0; i < conf.filenames_idx; ++i) {
if (conf.filenames[i][0] == '-' && conf.filenames[i][1] == '\0')
size1[i] = 0;
else
size1[i] = file_size (conf.filenames[i]);
}
set_ready_state ();
while (1) {
if (conf.stop_processing)
break;
for (i = 0; i < conf.filenames_idx; ++i)
perform_tail_follow (&size1[i], conf.filenames[i]); /* 0.2 secs */
usleep (800000); /* 0.8 secs */
}
close (gwswriter->fd);
free (size1);
}
/* Iterate over available panels and advance the panel pointer. */
static int
next_module (void)
{
int next = -1;
if ((next = get_next_module (gscroll.current)) == -1)
return 1;
gscroll.current = next;
if (!conf.no_tab_scroll)
gscroll.dash = get_module_index (gscroll.current) * DASH_COLLAPSED;
return 0;
}
/* Iterate over available panels and rewind the panel pointer. */
static int
previous_module (void)
{
int prev = -1;
if ((prev = get_prev_module (gscroll.current)) == -1)
return 1;
gscroll.current = prev;
if (!conf.no_tab_scroll)
gscroll.dash = get_module_index (gscroll.current) * DASH_COLLAPSED;
return 0;
}
/* Perform several curses operations upon resizing the terminal. */
static void
window_resize (void)
{
endwin ();
refresh ();
werase (header_win);
werase (main_win);
werase (stdscr);
term_size (main_win, &main_win_height);
refresh ();
render_screens ();
}
/* Create a new sort dialog window and render it. Upon closing the
* window, dashboard is refreshed. */
static void
render_sort_dialog (void)
{
load_sort_win (main_win, gscroll.current, &module_sort[gscroll.current]);
pthread_mutex_lock (&gdns_thread.mutex);
free_holder (&holder);
pthread_cond_broadcast (&gdns_thread.not_empty);
pthread_mutex_unlock (&gdns_thread.mutex);
free_dashboard (dash);
allocate_holder ();
allocate_data ();
render_screens ();
}
/* Interfacing with the keyboard */
static void
get_keys (void)
{
int search = 0;
int c, quit = 1, i;
uint64_t *size1 = NULL;
if (!glog->load_from_disk_only && conf.filenames_idx) {
size1 = xcalloc (conf.filenames_idx, sizeof (uint64_t));
for (i = 0; i < conf.filenames_idx; ++i) {
if (conf.filenames[i][0] == '-' && conf.filenames[i][1] == '\0')
size1[i] = 0;
else
size1[i] = file_size (conf.filenames[i]);
}
}
while (quit) {
if (conf.stop_processing)
break;
c = wgetch (stdscr);
switch (c) {
case 'q': /* quit */
if (!gscroll.expanded) {
quit = 0;
break;
}
collapse_current_module ();
break;
case KEY_F (1):
case '?':
case 'h':
load_help_popup (main_win);
render_screens ();
break;
case 49: /* 1 */
/* reset expanded module */
set_module_to (&gscroll, VISITORS);
break;
case 50: /* 2 */
/* reset expanded module */
set_module_to (&gscroll, REQUESTS);
break;
case 51: /* 3 */
/* reset expanded module */
set_module_to (&gscroll, REQUESTS_STATIC);
break;
case 52: /* 4 */
/* reset expanded module */
set_module_to (&gscroll, NOT_FOUND);
break;
case 53: /* 5 */
/* reset expanded module */
set_module_to (&gscroll, HOSTS);
break;
case 54: /* 6 */
/* reset expanded module */
set_module_to (&gscroll, OS);
break;
case 55: /* 7 */
/* reset expanded module */
set_module_to (&gscroll, BROWSERS);
break;
case 56: /* 8 */
/* reset expanded module */
set_module_to (&gscroll, VISIT_TIMES);
break;
case 57: /* 9 */
/* reset expanded module */
set_module_to (&gscroll, VIRTUAL_HOSTS);
break;
case 48: /* 0 */
/* reset expanded module */
set_module_to (&gscroll, REFERRERS);
break;
case 33: /* shift + 1 */
/* reset expanded module */
set_module_to (&gscroll, REFERRING_SITES);
break;
case 34: /* shift + 2 */
/* reset expanded module */
set_module_to (&gscroll, KEYPHRASES);
break;