static int
incoming_priv_cb (char *word[], gpointer userdata)
{
int priv;
if (hexchat_get_prefs (ph, "input_balloon_priv", NULL, &priv) == 3 && priv && should_alert ())
{
const char *network = hexchat_get_info (ph, "network");
if (!network)
network = hexchat_get_info (ph, "server");
if (userdata != NULL) /* Special event */
{
if (GPOINTER_TO_INT (userdata) == 3)
{
if (!is_ignored (word[2]))
show_notificationf (word[1], _("File offer from: %s (%s)"), word[2], network);
}
else if (GPOINTER_TO_INT (userdata) == 2)
{
if (!is_ignored (word[2]))
show_notificationf (word[1], _("Invited to channel by: %s (%s)"), word[2], network);
}
else
{
if (!is_ignored (word[1]))
show_notificationf (word[2], _("Notice from: %s (%s)"), word[1], network);
}
}
else
show_notificationf (word[2], _("Private message from: %s (%s)"), word[1], network);
}
return HEXCHAT_EAT_NONE;
}
static int set_termios(struct tty_struct * tty, struct termios * termios,
int channel)
{
int i;
unsigned short old_cflag = tty->termios->c_cflag;
/* If we try to set the state of terminal and we're not in the
foreground, send a SIGTTOU. If the signal is blocked or
ignored, go ahead and perform the operation. POSIX 7.2) */
if ((current->tty == channel) &&
(tty->pgrp != current->pgrp)) {
if (is_orphaned_pgrp(current->pgrp))
return -EIO;
if (!is_ignored(SIGTTOU)) {
(void) kill_pg(current->pgrp,SIGTTOU,1);
return -ERESTARTSYS;
}
}
for (i=0 ; i< (sizeof (*termios)) ; i++)
((char *)tty->termios)[i]=get_fs_byte(i+(char *)termios);
if (IS_A_SERIAL(channel) && tty->termios->c_cflag != old_cflag)
change_speed(channel-64);
/* puting mpty's into echo mode is very bad, and I think under
some situations can cause the kernel to do nothing but
copy characters back and forth. -RAB */
if (IS_A_PTY_MASTER(channel)) tty->termios->c_lflag &= ~ECHO;
return 0;
}
void setup_watches (const char *dir)
{
DIR *dirfd = opendir(dir);
char fullent[PATH_MAX];
int dirlen = strlen(dir);
memcpy(fullent, dir, dirlen);
fullent[dirlen] = '/';
struct dirent *ent;
if (!dirfd) {
if (errno == ENOENT || errno == EACCES)
return;
die_errno("opendir");
}
while ((ent = xreaddir(dirfd))) {
int entlen = strlen(ent->d_name);
if (!strcmp(ent->d_name, ".")
|| !strcmp(ent->d_name, ".."))
continue;
memcpy(fullent+dirlen+1, ent->d_name, entlen);
fullent[dirlen+1+entlen] = '\0';
if (is_ignored(fullent))
continue;
if (!isdir(fullent))
continue;
if (!setup_one_watch(fullent))
setup_watches(fullent);
}
if (closedir(dirfd))
die_errno("closedir");
}
void handle_event(struct inotify_event *ev)
{
char *wdp;
int i, j;
if (ev->wd < 0)
return;
wdp = wdpaths[ev->wd];
if (!wdp)
return;
if (ev->mask & IN_ISDIR && ev->mask & IN_CREATE) {
char buf[PATH_MAX];
strcpy(buf, wdp);
strcat(buf, "/");
strcat(buf, ev->name);
if (is_ignored(buf))
return;
if (!setup_one_watch(buf))
setup_watches(buf);
return;
}
/* inotify shows directory events in the parent too; ignore them there */
if (ev->len && ev->mask & IN_ISDIR)
return;
if (ev->mask & IN_IGNORED) {
wdpaths[ev->wd] = NULL;
for (i = 0; i < HIST; i++) {
if (!lru[i])
break;
if (strcmp(wdp, lru[i]))
continue;
for (j = i; j < HIST-1; j++)
lru[j] = lru[j+1];
lru[HIST-1] = NULL;
break;
}
free(wdp);
return;
}
#ifdef DEBUG
if (ev->mask != IN_ACCESS)
fprintf(stdout, "%08x %s %s %s\n", ev->mask, event_msg(ev->mask), wdp,
ev->len ? ev->name : "(none)");
#endif
for (i = 0; i < HIST; i++) {
if (!lru[i])
break;
if (strcmp(wdp, lru[i]))
continue;
if (i == 0)
return;
for (j = i; j > 0; j--)
lru[j] = lru[j-1];
lru[0] = wdp;
return;
}
for (j = HIST-1; j > 0; j--)
lru[j] = lru[j-1];
lru[0] = wdp;
}
void grid_segment::grow(std::function<grid_segment::ptr(grid_cell_base::label)> segments_accessor)
{
vector<grid_cell::ptr> tovisit;
tovisit.push_back(*cells_.begin());
set_visited(tovisit.front());
grid_cell_base::label label = tovisit.front()->get_label();
while(!tovisit.empty())
{
grid_cell::ptr c = tovisit.back();
tovisit.pop_back();
c->set_label(label);
cells_.insert(c);
for(size_t i=0; i<4; i++)
{
auto nc = grid_.get_neighbour_cell_4(c,i);
if(nc)
{
if(nc->has_label())
{
if(nc->get_label() != label && !nc->is_ignored())
{
add_edge(std::static_pointer_cast<graph_node>(segments_accessor(label)),
std::static_pointer_cast<graph_node>(segments_accessor(nc->get_label())));
}
continue;
}
if(nc->is_target() && !nc->is_ignored() && nc->is_covered() && !is_visited(nc))
{
set_visited(nc);
tovisit.push_back(nc);
}
}
}
}
}
static int walk_tree(const char* path, watch_node* parent, array* ignores) {
if (is_ignored(path, ignores)) {
return ERR_IGNORE;
}
DIR* dir = opendir(path);
if (dir == NULL) {
if (errno == EACCES) {
return ERR_IGNORE;
}
else if (errno == ENOTDIR) { // flat root
return add_watch(path, parent);
}
userlog(LOG_ERR, "opendir(%s): %s", path, strerror(errno));
return ERR_CONTINUE;
}
int id = add_watch(path, parent);
if (id < 0) {
closedir(dir);
return id;
}
struct dirent* entry;
char subdir[PATH_MAX];
strcpy(subdir, path);
if (subdir[strlen(subdir) - 1] != '/') {
strcat(subdir, "/");
}
char* p = subdir + strlen(subdir);
while ((entry = readdir(dir)) != NULL) {
if (strcmp(entry->d_name, ".") == 0 || strcmp(entry->d_name, "..") == 0) {
continue;
}
strcpy(p, entry->d_name);
if (!is_directory(entry, subdir)) {
continue;
}
int subdir_id = walk_tree(subdir, table_get(watches, id), ignores);
if (subdir_id < 0 && subdir_id != ERR_IGNORE) {
rm_watch(id, true);
id = subdir_id;
break;
}
}
closedir(dir);
return id;
}
static int check_change(struct tty_struct * tty, int channel)
{
/* If we try to set the state of terminal and we're not in the
foreground, send a SIGTTOU. If the signal is blocked or
ignored, go ahead and perform the operation. POSIX 7.2) */
if (current->tty != channel)
return 0;
if (tty->pgrp <= 0 || tty->pgrp == current->pgrp)
return 0;
if (is_orphaned_pgrp(current->pgrp))
return -EIO;
if (is_ignored(SIGTTOU))
return 0;
(void) kill_pg(current->pgrp,SIGTTOU,1);
return -ERESTARTSYS;
}
/*
* This only works as the 386 is low-byte-first
*/
static int set_termio(struct tty_struct * tty, struct termio * termio,
int channel)
{
int i;
struct termio tmp_termio;
unsigned short old_cflag = tty->termios->c_cflag;
if ((current->tty == channel) &&
(tty->pgrp > 0) &&
(tty->pgrp != current->pgrp)) {
if (is_orphaned_pgrp(current->pgrp))
return -EIO;
if (!is_ignored(SIGTTOU)) {
(void) kill_pg(current->pgrp,SIGTTOU,1);
return -ERESTARTSYS;
}
}
for (i=0 ; i< (sizeof (*termio)) ; i++)
((char *)&tmp_termio)[i]=get_fs_byte(i+(char *)termio);
/* take care of the packet stuff. */
if ((tmp_termio.c_iflag & IXON) &&
~(tty->termios->c_iflag & IXON))
{
tty->status_changed = 1;
tty->ctrl_status |= TIOCPKT_DOSTOP;
}
if (~(tmp_termio.c_iflag & IXON) &&
(tty->termios->c_iflag & IXON))
{
tty->status_changed = 1;
tty->ctrl_status |= TIOCPKT_NOSTOP;
}
*(unsigned short *)&tty->termios->c_iflag = tmp_termio.c_iflag;
*(unsigned short *)&tty->termios->c_oflag = tmp_termio.c_oflag;
*(unsigned short *)&tty->termios->c_cflag = tmp_termio.c_cflag;
*(unsigned short *)&tty->termios->c_lflag = tmp_termio.c_lflag;
tty->termios->c_line = tmp_termio.c_line;
for(i=0 ; i < NCC ; i++)
tty->termios->c_cc[i] = tmp_termio.c_cc[i];
if (IS_A_SERIAL(channel) && tty->termios->c_cflag != old_cflag)
change_speed(channel-64);
return 0;
}
static int job_control(struct tty_struct *tty, struct file *file)
{
if (file->f_op->write != redirected_tty_write &&
current->signal->tty == tty) {
if (!tty->pgrp)
printk(KERN_ERR "n_tty_read: no tty->pgrp!\n");
else if (task_pgrp(current) != tty->pgrp) {
if (is_ignored(SIGTTIN) ||
is_current_pgrp_orphaned())
return -EIO;
kill_pgrp(task_pgrp(current), SIGTTIN, 1);
set_thread_flag(TIF_SIGPENDING);
return -ERESTARTSYS;
}
}
return 0;
}
int calc_scaled_pixel_value(ImageStats *stats, float val)
{
if (is_ignored(stats, val))
return 0;
else if (stats->truncate) {
if (val < 0)
return 0;
else if (val > 255)
return 255;
else
return (int)(val+.5);
}
else if (val < stats->map_min)
return 0;
else if (val > stats->map_max)
return 255;
else
return (int) round(((val-stats->map_min)/(stats->map_max-stats->map_min))*255);
}
static int job_control(struct tty_struct *tty, struct file *file)
{
/* Job control check -- must be done at start and after
every sleep (POSIX.1 7.1.1.4). */
/* NOTE: not yet done after every sleep pending a thorough
check of the logic of this change. -- jlc */
/* don't stop on /dev/console */
if (file->f_op->write != redirected_tty_write &&
current->signal->tty == tty) {
if (tty->pgrp <= 0)
printk("read_chan: tty->pgrp <= 0!\n");
else if (process_group(current) != tty->pgrp) {
if (is_ignored(SIGTTIN) ||
is_orphaned_pgrp(process_group(current)))
return -EIO;
kill_pg(process_group(current), SIGTTIN, 1);
return -ERESTARTSYS;
}
}
return 0;
}
static int tty_read(struct inode * inode, struct file * file, char * buf, int count)
{
int i, dev;
struct tty_struct * tty;
dev = file->f_rdev;
if (MAJOR(dev) != TTY_MAJOR) {
printk("tty_read: bad pseudo-major nr #%d\n", MAJOR(dev));
return -EINVAL;
}
dev = MINOR(dev);
tty = TTY_TABLE(dev);
if (!tty || (tty->flags & (1 << TTY_IO_ERROR)))
return -EIO;
/* This check not only needs to be done before reading, but also
whenever read_chan() gets woken up after sleeping, so I've
moved it to there. This should only be done for the N_TTY
line discipline, anyway. Same goes for write_chan(). -- jlc. */
#if 0
if ((inode->i_rdev != CONSOLE_DEV) && /* don't stop on /dev/console */
(tty->pgrp > 0) &&
(current->tty == dev) &&
(tty->pgrp != current->pgrp))
if (is_ignored(SIGTTIN) || is_orphaned_pgrp(current->pgrp))
return -EIO;
else {
(void) kill_pg(current->pgrp, SIGTTIN, 1);
return -ERESTARTSYS;
}
#endif
if (ldiscs[tty->disc].read)
/* XXX casts are for what kernel-wide prototypes should be. */
i = (ldiscs[tty->disc].read)(tty,file,(unsigned char *)buf,(unsigned int)count);
else
i = -EIO;
if (i > 0)
inode->i_atime = CURRENT_TIME;
return i;
}
static int job_control(struct tty_struct *tty, struct file *file)
{
/* Job control check -- must be done at start and after
every sleep (POSIX.1 7.1.1.4). */
/* NOTE: not yet done after every sleep pending a thorough
check of the logic of this change. -- jlc */
/* don't stop on /dev/console */
if (file->f_dentry->d_inode->i_rdev != CONSOLE_DEV &&
file->f_dentry->d_inode->i_rdev != SYSCONS_DEV &&
current->tty == tty) {
if (tty->pgrp <= 0)
printk("read_chan: tty->pgrp <= 0!\n");
else if (current->pgrp != tty->pgrp) {
if (is_ignored(SIGTTIN) ||
is_orphaned_pgrp(current->pgrp))
return -EIO;
kill_pg(current->pgrp, SIGTTIN, 1);
return -ERESTARTSYS;
}
}
return 0;
}
static int tty_write(struct inode * inode, struct file * file, char * buf, int count)
{
int dev, i, is_console;
struct tty_struct * tty;
dev = file->f_rdev;
is_console = (inode->i_rdev == CONSOLE_DEV);
if (MAJOR(dev) != TTY_MAJOR) {
printk("tty_write: pseudo-major != TTY_MAJOR\n");
return -EINVAL;
}
dev = MINOR(dev);
if (is_console && redirect)
tty = redirect;
else
tty = TTY_TABLE(dev);
if (!tty || !tty->write || (tty->flags & (1 << TTY_IO_ERROR)))
return -EIO;
#if 0
if (!is_console && L_TOSTOP(tty) && (tty->pgrp > 0) &&
(current->tty == dev) && (tty->pgrp != current->pgrp)) {
if (is_orphaned_pgrp(current->pgrp))
return -EIO;
if (!is_ignored(SIGTTOU)) {
(void) kill_pg(current->pgrp, SIGTTOU, 1);
return -ERESTARTSYS;
}
}
#endif
if (ldiscs[tty->disc].write)
/* XXX casts are for what kernel-wide prototypes should be. */
i = (ldiscs[tty->disc].write)(tty,file,(unsigned char *)buf,(unsigned int)count);
else
i = -EIO;
if (i > 0)
inode->i_mtime = CURRENT_TIME;
return i;
}
// Now the thumbnail generation is combined with the stats calculations,
// to speed things up a little. Both require a pass through the entire
// image, so it seems natural, and the stats calculation doesn't add much
// overhead. (The user is waiting while the thumbnail is being generated,
// so we do want this to be as quick as possible.)
unsigned char *generate_thumbnail_data(ImageInfo *ii, int tsx, int tsy)
{
int i,j;
unsigned char *bdata = MALLOC(sizeof(unsigned char)*tsx*tsy*3);
ImageStats *stats = &(ii->stats);
// we will estimate the stats from the thumbnail data
clear_stats(ii);
// Here we do the rather ugly thing of making the thumbnail
// loading code specific to each supported data type. This is
// because we've combined the stats calculation into this...
if (ii->data_ci->data_type == GREYSCALE_FLOAT) {
// store data used to build the small image pixmap
// we will calculate the stats on this subset
float *fdata = CALLOC(sizeof(float), tsx*tsy);
load_thumbnail_data(ii->data_ci, tsx, tsy, fdata);
set_ignores(ii, !g_startup);
// split out the case where we have no ignore value --
// should be quite a bit faster...
if (have_ignore(stats)) {
// Compute stats -- ignore "no data" value
int n=0;
for (i=0; i<tsy; ++i) {
for (j=0; j<tsx; ++j) {
float v = fdata[j+i*tsx];
if (!is_ignored(stats, v) && fabs(v)<999999999)
{
stats->avg += v;
// first valid pixel --> initialize max/min
// subsequent pixels --> update max/min if needed
if (n==0) {
stats->act_max = stats->act_min = v;
} else {
if (v > stats->act_max)
stats->act_max = v;
if (v < stats->act_min)
stats->act_min = v;
}
++n;
}
}
}
stats->avg /= (double)n;
for (i=0; i<tsy; ++i) {
for (j=0; j<tsx; ++j) {
float v = fdata[j+i*tsx];
if (!is_ignored(stats, v) && fabs(v)<999999999)
{
stats->stddev +=
(v - stats->avg)*(v - stats->avg);
}
}
}
stats->stddev = sqrt(stats->stddev / (double)n);
} else {
// Compute stats, no ignore (actually, do ignore data that is NaN)
stats->act_max = stats->act_min = fdata[0];
for (i=0; i<tsy; ++i) {
for (j=0; j<tsx; ++j) {
float v = fdata[j+i*tsx];
// added in the fabs<999... thing... sometimes values
// are just ridiculous and we must ignore them
if (meta_is_valid_double(v) && fabs(v)<999999999) {
stats->avg += v;
if (v > stats->act_max) stats->act_max = v;
if (v < stats->act_min) stats->act_min = v;
}
}
}
stats->avg /= (double)(tsx*tsy);
for (i=0; i<tsy; ++i) {
for (j=0; j<tsx; ++j) {
float v = fdata[j+i*tsx];
if (meta_is_valid_double(v) && fabs(v)<999999999)
stats->stddev +=
(v - stats->avg) * (v - stats->avg);
}
}
stats->stddev = sqrt(stats->stddev / (double)(tsx*tsy));
}
//printf("Avg, StdDev: %f, %f\n", stats->avg, stats->stddev);
set_mapping(ii, !g_startup);
// Now actually scale the data, and convert to bytes.
// Note that we need 3 values, one for each of the RGB channels.
if (have_lut()) {
// look up table case -- no scaling, just use the lut
// to convert from float to rgb byte
for (i=0; i<tsy; ++i) {
for (j=0; j<tsx; ++j) {
int index = j+i*tsx;
int n = 3*index;
float val = fdata[index];
int ival;
if (is_ignored(stats, val) || val<0)
ival = ignore_grey_value;
else
ival = (int)val;
apply_lut(ival, &bdata[n], &bdata[n+1], &bdata[n+2]);
// histogram will appear as if we were scaling
// to greyscale byte
unsigned char uval = (unsigned char)
calc_scaled_pixel_value(stats, val);
stats->hist[uval] += 1;
}
}
} else {
// normal case -- no lut, apply selected scaling to convert from
// floating point to byte for display
for (i=0; i<tsy; ++i) {
for (j=0; j<tsx; ++j) {
int index = j+i*tsx;
float val = fdata[index];
int n = 3*index;
unsigned char uval = (unsigned char)
calc_scaled_pixel_value(stats, val);
if (is_ignored(stats, val)) {
bdata[n] = bdata[n+1] = bdata[n+2] = ignore_grey_value;
}
else {
bdata[n] = uval;
bdata[n+1] = uval;
bdata[n+2] = uval;
stats->hist[uval] += 1;
}
}
}
}
// done with our subset
free(fdata);
}
else if (ii->data_ci->data_type == RGB_BYTE) {
// store data used to build the small image pixmap
// we will calculate the stats on this subset
unsigned char *rgbdata = CALLOC(sizeof(unsigned char), tsx*tsy*3);
load_thumbnail_data(ii->data_ci, tsx, tsy, (void*)rgbdata);
set_ignores(ii, !g_startup);
ImageStatsRGB *stats_r = &ii->stats_r;
ImageStatsRGB *stats_g = &ii->stats_g;
ImageStatsRGB *stats_b = &ii->stats_b;
stats_r->act_min = rgbdata[0];
stats_r->act_max = rgbdata[0];
stats_g->act_min = rgbdata[1];
stats_g->act_max = rgbdata[1];
stats_b->act_min = rgbdata[2];
stats_b->act_max = rgbdata[2];
int nr=0, ng=0, nb=0;
for (i=0; i<tsy; ++i) {
for (j=0; j<tsx; ++j) {
int kk = 3*(j+i*tsx);
if (!is_ignored_rgb(stats_r, rgbdata[kk])) {
stats_r->avg += rgbdata[kk];
++nr;
if (rgbdata[kk] < stats_r->act_min)
stats_r->act_min = rgbdata[kk];
if (rgbdata[kk] > stats_r->act_max)
stats_r->act_max = rgbdata[kk];
}
if (!is_ignored_rgb(stats_g, rgbdata[kk+1])) {
stats_g->avg += rgbdata[kk+1];
++ng;
if (rgbdata[kk+1] < stats_g->act_min)
stats_g->act_min = rgbdata[kk+1];
if (rgbdata[kk+1] > stats_g->act_max)
stats_g->act_max = rgbdata[kk+1];
}
if (!is_ignored_rgb(stats_b, rgbdata[kk+2])) {
stats_b->avg += rgbdata[kk+2];
++nb;
if (rgbdata[kk+2] < stats_b->act_min)
stats_b->act_min = rgbdata[kk+2];
if (rgbdata[kk+2] > stats_b->act_max)
stats_b->act_max = rgbdata[kk+2];
}
}
}
if (nr>1) stats_r->avg /= (double)nr;
if (ng>1) stats_g->avg /= (double)ng;
if (nb>1) stats_b->avg /= (double)nb;
for (i=0; i<tsy; ++i) {
for (j=0; j<tsx; ++j) {
int kk = 3*(j+i*tsx);
if (!is_ignored_rgb(stats_r, rgbdata[kk])) {
float d = rgbdata[kk] - stats_r->avg;
stats_r->stddev += d*d;
}
if (!is_ignored_rgb(stats_g, rgbdata[kk+1])) {
float d = rgbdata[kk+1] - stats_g->avg;
stats_g->stddev += d*d;
}
if (!is_ignored_rgb(stats_b, rgbdata[kk+2])) {
float d = rgbdata[kk+2] - stats_b->avg;
stats_b->stddev += d*d;
}
}
}
stats_r->stddev = sqrt(stats_r->stddev / (double)nr);
stats_g->stddev = sqrt(stats_g->stddev / (double)ng);
stats_b->stddev = sqrt(stats_b->stddev / (double)nb);
set_mapping(ii, !g_startup);
// clear out the stats for the greyscale image - we'll just use
// the histogram
stats->avg = 0;
stats->stddev = 0;
// these are used for the axis labels on the histogram, so we put
// in the averages of the mins... these are sort of bogus anyway, we
// really should have 3 histograms
stats->map_min = calc_fake_min(ii);
stats->map_max = calc_fake_max(ii);
for (i=0; i<tsy; ++i) {
for (j=0; j<tsx; ++j) {
int kk = 3*(j+i*tsx);
if (!is_ignored_rgb(stats_r, rgbdata[kk]) &&
!is_ignored_rgb(stats_g, rgbdata[kk+1]) &&
!is_ignored_rgb(stats_b, rgbdata[kk+2]))
{
bdata[kk] = (unsigned char)calc_rgb_scaled_pixel_value(
stats_r, rgbdata[kk]);
bdata[kk+1] = (unsigned char)calc_rgb_scaled_pixel_value(
stats_g, rgbdata[kk+1]);
bdata[kk+2] = (unsigned char)calc_rgb_scaled_pixel_value(
stats_b, rgbdata[kk+2]);
}
else {
bdata[kk] = ignore_red_value;
bdata[kk+1] = ignore_green_value;
bdata[kk+2] = ignore_blue_value;
}
}
}
// Update the histogram -- use greyscale average
for (i=0; i<tsy; ++i) {
for (j=0; j<tsx; ++j) {
int kk = 3*(j+i*tsx);
if (!is_ignored_rgb(stats_r, rgbdata[kk]) &&
!is_ignored_rgb(stats_g, rgbdata[kk+1]) &&
!is_ignored_rgb(stats_b, rgbdata[kk+2]))
{
unsigned char uval = (bdata[kk]+bdata[kk+1]+bdata[kk+2])/3;
stats->hist[uval] += 1;
}
}
}
free(rgbdata);
}
else if (ii->data_ci->data_type == GREYSCALE_BYTE) {
// this case is very similar to the RGB case, above, except we
// have to first grab the data into a greyscale buffer, and
// then copy it over to the 3-band buffer we're supposed to return
unsigned char *gsdata = MALLOC(sizeof(unsigned char)*tsx*tsy);
load_thumbnail_data(ii->data_ci, tsx, tsy, (void*)gsdata);
set_ignores(ii, !g_startup);
stats->act_max = 0;
stats->act_min = 255;
stats->map_min = 0;
stats->map_max = 255;
for (i=0; i<tsy; ++i) {
for (j=0; j<tsx; ++j) {
unsigned char uval = gsdata[j+i*tsx];
stats->avg += uval;
if (uval > stats->act_max) stats->act_max = uval;
if (uval < stats->act_min) stats->act_min = uval;
}
}
stats->avg /= (double)(tsx*tsy);
for (i=0; i<tsy; ++i) {
for (j=0; j<tsx; ++j) {
unsigned char uval = gsdata[j+i*tsx];
stats->stddev += (uval - stats->avg) * (uval - stats->avg);
}
}
stats->stddev = sqrt(stats->stddev / (double)(tsx*tsy));
set_mapping(ii, !g_startup);
for (i=0; i<tsy; ++i) {
for (j=0; j<tsx; ++j) {
unsigned char uval = gsdata[j+i*tsx];
int kk = 3*(j+i*tsx);
if (have_lut()) {
apply_lut(uval, &bdata[kk], &bdata[kk+1], &bdata[kk+2]);
stats->hist[uval] += 1;
}
else if (!is_ignored(stats, uval)) {
// apply selected scaling to display values
unsigned char display_value = (unsigned char)
calc_scaled_pixel_value(stats, uval);
bdata[kk] = bdata[kk+1] = bdata[kk+2] = display_value;
stats->hist[display_value] += 1;
}
else {
bdata[kk] = bdata[kk+1] = bdata[kk+2] = ignore_grey_value;
}
}
}
free(gsdata);
}
else if (ii->data_ci->data_type == RGB_FLOAT) {
// store data used to build the small image pixmap
// we will calculate the stats on this subset
float *fdata = MALLOC(sizeof(float)*tsx*tsy*3);
load_thumbnail_data(ii->data_ci, tsx, tsy, fdata);
set_ignores(ii, !g_startup);
ImageStatsRGB *stats_r = &ii->stats_r;
ImageStatsRGB *stats_g = &ii->stats_g;
ImageStatsRGB *stats_b = &ii->stats_b;
stats_r->act_min = fdata[0];
stats_r->act_max = fdata[0];
stats_g->act_min = fdata[1];
stats_g->act_max = fdata[1];
stats_b->act_min = fdata[2];
stats_b->act_max = fdata[2];
int nr=0, ng=0, nb=0;
for (i=0; i<tsy; ++i) {
for (j=0; j<tsx; ++j) {
int kk = 3*(j+i*tsx);
if (!is_ignored_rgb(stats_r, fdata[kk])) {
stats_r->avg += fdata[kk];
++nr;
if (fdata[kk] < stats_r->act_min)
stats_r->act_min = fdata[kk];
if (fdata[kk] > stats_r->act_max)
stats_r->act_max = fdata[kk];
}
if (!is_ignored_rgb(stats_g, fdata[kk+1])) {
stats_g->avg += fdata[kk+1];
++ng;
if (fdata[kk+1] < stats_g->act_min)
stats_g->act_min = fdata[kk+1];
if (fdata[kk+1] > stats_g->act_max)
stats_g->act_max = fdata[kk+1];
}
if (!is_ignored_rgb(stats_b, fdata[kk+2])) {
stats_b->avg += fdata[kk+2];
++nb;
if (fdata[kk+2] < stats_b->act_min)
stats_b->act_min = fdata[kk+2];
if (fdata[kk+2] > stats_b->act_max)
stats_b->act_max = fdata[kk+2];
}
}
}
if (nr>1) stats_r->avg /= (double)nr;
if (ng>1) stats_g->avg /= (double)ng;
if (nb>1) stats_b->avg /= (double)nb;
for (i=0; i<tsy; ++i) {
for (j=0; j<tsx; ++j) {
int kk = 3*(j+i*tsx);
if (!is_ignored_rgb(stats_r, fdata[kk])) {
float d = fdata[kk] - stats_r->avg;
stats_r->stddev += d*d;
}
if (!is_ignored_rgb(stats_g, fdata[kk+1])) {
float d = fdata[kk+1] - stats_g->avg;
stats_g->stddev += d*d;
}
if (!is_ignored_rgb(stats_b, fdata[kk+2])) {
float d = fdata[kk+2] - stats_b->avg;
stats_b->stddev += d*d;
}
}
}
stats_r->stddev = sqrt(stats_r->stddev / (double)nr);
stats_g->stddev = sqrt(stats_g->stddev / (double)ng);
stats_b->stddev = sqrt(stats_b->stddev / (double)nb);
set_mapping(ii, !g_startup);
// clear out the stats for the greyscale image - we'll just use
// the histogram
stats->avg = 0;
stats->stddev = 0;
// these are used for the axis labels on the histogram, so we put
// in the averages of the mins... these are sort of bogus anyway, we
// really should have 3 histograms
stats->map_min = calc_fake_min(ii);
stats->map_max = calc_fake_max(ii);
for (i=0; i<tsy; ++i) {
for (j=0; j<tsx; ++j) {
int kk = 3*(j+i*tsx);
if (!is_ignored_rgb(stats_r, fdata[kk]) &&
!is_ignored_rgb(stats_g, fdata[kk+1]) &&
!is_ignored_rgb(stats_b, fdata[kk+2]))
{
bdata[kk] = (unsigned char)calc_rgb_scaled_pixel_value(
stats_r, fdata[kk]);
bdata[kk+1] = (unsigned char)calc_rgb_scaled_pixel_value(
stats_g, fdata[kk+1]);
bdata[kk+2] = (unsigned char)calc_rgb_scaled_pixel_value(
stats_b, fdata[kk+2]);
}
else {
bdata[kk] = ignore_red_value;
bdata[kk+1] = ignore_green_value;
bdata[kk+2] = ignore_blue_value;
}
}
}
// Update the histogram -- use greyscale average
for (i=0; i<tsy; ++i) {
for (j=0; j<tsx; ++j) {
int kk = 3*(j+i*tsx);
if (!is_ignored_rgb(stats_r, fdata[kk]) &&
!is_ignored_rgb(stats_g, fdata[kk+1]) &&
!is_ignored_rgb(stats_b, fdata[kk+2]))
{
unsigned char uval = (bdata[kk]+bdata[kk+1]+bdata[kk+2])/3;
stats->hist[uval] += 1;
}
}
}
// done with our subset
free(fdata);
}
else {
asfPrintError("Unexpected data type: %d!\n",
ii->data_ci->data_type);
}
return bdata;
}
void grid_cell::draw()
{
static const double df_iso =0.05;
glPolygonMode(GL_FRONT_AND_BACK, GL_FILL);
glLineWidth(1.0);
if(active_survey_param::non_ros::cell_drawing_mode == 0)
glColor3f(1-0.8*ground_truth_value_,
1-0.8*ground_truth_value_,
1);
else if(active_survey_param::non_ros::cell_drawing_mode == 1)
{
if(!is_covered())
glColor3f(0.45,0.55,0.4);
else
glColor3f(1-2*df_iso*ceil(estimated_value_/df_iso),
1-2*df_iso*ceil(estimated_value_/df_iso),
1-2*df_iso*ceil(estimated_value_/df_iso));
}
else if(active_survey_param::non_ros::cell_drawing_mode == 3)
glColor3f(2*variance_,
2*variance_,
2*variance_);
else if(active_survey_param::non_ros::cell_drawing_mode == 4)
{
bool l = (estimated_value_+ active_survey_param::non_ros::beta*variance_
< active_survey_param::non_ros::target_threshold);
bool h = (estimated_value_- active_survey_param::non_ros::beta*variance_
> active_survey_param::non_ros::target_threshold);
bool u = !(l||h);
glColor3f(l?1:0, h?1:0, u?1:0);
// if(is_ignored())
// glColor3f(0,0,0);
//glColor4f(estimated_value_+ variance_, estimated_value_+ variance_,
// estimated_value_+ variance_,1);
}
// glColor4f(2*variance_,
// ((1-variance_)<0?0:(1-variance_))*estimated_value_,
// 2*variance_, ignored_?0.3:1.0);
else if(active_survey_param::non_ros::cell_drawing_mode == 5)
utility::gl_color(utility::get_altitude_color(label_));
else if(active_survey_param::non_ros::cell_drawing_mode == 2)
{
double dsc = pow(0.999, sensed_time_);
utility::gl_color(sensed_&&is_target()?Vector3f(1-dsc,1-dsc,1-dsc):Vector3f(1,1,1));
//double rt = (sensed_time_>active_survey_param::time_limit)?0:sensed_time_/active_survey_param::time_limit;
//utility::gl_color(Vector3f(1-rt, 0 ,rt));
}
else
{
if(is_covered())
glColor3f(0,is_target()?1:0,0);
else
glColor3f(0.5,0.5,0.5);
}
glBegin(GL_QUADS);
utility::draw_quad(get_rect());
glEnd();
if(ground_truth_value_ > active_survey_param::non_ros::target_threshold)
{
glPolygonMode(GL_FRONT_AND_BACK, GL_LINE);
glColor3f(1,0.95,0.7);
glBegin(GL_QUADS);
utility::draw_quad(get_rect(), 0.1);
glEnd();
}
static Vector4f offset{0.1,0.1,-0.1,-0.1};
if(false && is_ignored())
{
glPolygonMode(GL_FRONT_AND_BACK, GL_FILL);
glColor4f(0.0,0.0,1, 0.2);
glBegin(GL_QUADS);
utility::draw_quad(get_rect()+offset, 0.15);
glEnd();
}
}
void cc110x_rx_handler(void) {
uint8_t res = 0;
// Possible packet received, RX -> IDLE (0.1 us)
rflags.CAA = 0;
rflags.MAN_WOR = 0;
cc110x_statistic.packets_in++;
res = receive_packet((uint8_t*)&(cc110x_rx_buffer[rx_buffer_next].packet), sizeof(cc110x_packet_t));
if (res) {
// If we are sending a burst, don't accept packets.
// Only ACKs are processed (for stopping the burst).
// Same if state machine is in TX lock.
if (radio_state == RADIO_SEND_BURST || rflags.TX)
{
cc110x_statistic.packets_in_while_tx++;
return;
}
cc110x_rx_buffer[rx_buffer_next].rssi = rflags._RSSI;
cc110x_rx_buffer[rx_buffer_next].lqi = rflags._LQI;
cc110x_strobe(CC1100_SFRX); // ...for flushing the RX FIFO
// Valid packet. After a wake-up, the radio should be in IDLE.
// So put CC1100 to RX for WOR_TIMEOUT (have to manually put
// the radio back to sleep/WOR).
//cc110x_spi_write_reg(CC1100_MCSM0, 0x08); // Turn off FS-Autocal
cc110x_write_reg(CC1100_MCSM2, 0x07); // Configure RX_TIME (until end of packet)
cc110x_strobe(CC1100_SRX);
hwtimer_wait(IDLE_TO_RX_TIME);
radio_state = RADIO_RX;
#ifdef DBG_IGNORE
if (is_ignored(cc110x_rx_buffer[rx_buffer_next].packet.phy_src)) {
LED_RED_TOGGLE;
return;
}
#endif
/* notify transceiver thread if any */
if (transceiver_pid) {
msg_t m;
m.type = (uint16_t) RCV_PKT_CC1100;
m.content.value = rx_buffer_next;
msg_send_int(&m, transceiver_pid);
}
/* shift to next buffer element */
if (++rx_buffer_next == RX_BUF_SIZE) {
rx_buffer_next = 0;
}
return;
}
else
{
// No ACK received so TOF is unpredictable
rflags.TOF = 0;
// CRC false or RX buffer full -> clear RX FIFO in both cases
cc110x_strobe(CC1100_SIDLE); // Switch to IDLE (should already be)...
cc110x_strobe(CC1100_SFRX); // ...for flushing the RX FIFO
// If packet interrupted this nodes send call,
// don't change anything after this point.
if (radio_state == RADIO_AIR_FREE_WAITING)
{
cc110x_strobe(CC1100_SRX);
hwtimer_wait(IDLE_TO_RX_TIME);
return;
}
// If currently sending, exit here (don't go to RX/WOR)
if (radio_state == RADIO_SEND_BURST)
{
cc110x_statistic.packets_in_while_tx++;
return;
}
// No valid packet, so go back to RX/WOR as soon as possible
cc110x_switch_to_rx();
}
}
void update_pixel_info(ImageInfo *ii)
{
// update the left-hand "clicked pixel" information
char buf[512];
GtkWidget *img = get_widget_checked("big_image");
GdkPixbuf *shown_pixbuf = gtk_image_get_pixbuf(GTK_IMAGE(img));
double x = crosshair_samp;
double y = crosshair_line;
int nl = ii->meta->general->line_count;
int ns = ii->meta->general->sample_count;
CachedImage *data_ci = ii->data_ci;
meta_parameters *meta = ii->meta;
sprintf(buf, "Line: %.1f, Sample: %.1f\n", y, x);
if (x < 0 || x >= ns || y < 0 || y >= nl)
{
// outside of the image
sprintf(&buf[strlen(buf)], "Pixel Value: (outside image)\n");
}
else
{
assert(meta);
assert(shown_pixbuf);
if (data_ci->data_type == GREYSCALE_FLOAT) {
float fval = cached_image_get_pixel(data_ci,
crosshair_line, crosshair_samp);
if (have_lut()) {
unsigned char r, g, b;
cached_image_get_rgb(data_ci, crosshair_line, crosshair_samp,
&r, &g, &b);
if (is_ignored(&ii->stats, fval)) {
sprintf(&buf[strlen(buf)], "Pixel Value: %f [ignored]\n",
fval);
}
else {
sprintf(&buf[strlen(buf)],
"Pixel Value: %f -> R:%d G:%d B:%d\n",
fval, (int)r, (int)g, (int)b);
}
}
else {
int uval = calc_scaled_pixel_value(&(ii->stats), fval);
if (is_ignored(&ii->stats, fval)) {
sprintf(&buf[strlen(buf)], "Pixel Value: %f [ignored]\n",
fval);
}
else {
sprintf(&buf[strlen(buf)], "Pixel Value: %f -> %d\n",
fval, uval);
}
}
}
else if (data_ci->data_type == RGB_BYTE) {
unsigned char r, g, b;
float rf, gf, bf;
cached_image_get_rgb(data_ci, crosshair_line, crosshair_samp,
&r, &g, &b);
cached_image_get_rgb_float(data_ci, crosshair_line, crosshair_samp,
&rf, &gf, &bf);
if (!is_ignored_rgb(&ii->stats_r, rf) &&
!is_ignored_rgb(&ii->stats_g, gf) &&
!is_ignored_rgb(&ii->stats_b, bf))
{
sprintf(&buf[strlen(buf)], "Pixel Value: R,G,B = %d, %d, %d\n",
(int)r, (int)g, (int)b);
}
else {
sprintf(&buf[strlen(buf)],
"Pixel Value: R,G,B = %d,%d,%d [ignored]\n",
(int)rf, (int)gf, (int)bf);
}
}
else if (data_ci->data_type == GREYSCALE_BYTE) {
unsigned char r, g, b;
cached_image_get_rgb(data_ci, crosshair_line, crosshair_samp,
&r, &g, &b);
if (have_lut()) {
int gs = (int)cached_image_get_pixel(data_ci,
crosshair_line, crosshair_samp);
if (is_ignored(&ii->stats, (float)gs))
sprintf(&buf[strlen(buf)],
"Pixel Value: %d [ignored]\n",
gs);
else
sprintf(&buf[strlen(buf)],
"Pixel Value: %d -> R:%d G:%d B:%d\n",
gs, (int)r, (int)g, (int)b);
}
else {
int gs = (int)cached_image_get_pixel(data_ci,
crosshair_line, crosshair_samp);
if (is_ignored(&ii->stats, gs)) {
sprintf(&buf[strlen(buf)], "Pixel Value: %d [ignored]\n",
gs);
}
else if (ii->stats.truncate) {
sprintf(&buf[strlen(buf)], "Pixel Value: %d\n", gs);
}
else {
sprintf(&buf[strlen(buf)], "Pixel Value: %d -> %d\n",
gs, (int)r);
}
}
}
else if (data_ci->data_type == RGB_FLOAT) {
unsigned char r, g, b;
float rf, gf, bf;
cached_image_get_rgb(data_ci, crosshair_line, crosshair_samp,
&r, &g, &b);
cached_image_get_rgb_float(data_ci, crosshair_line, crosshair_samp,
&rf, &gf, &bf);
if (is_ignored_rgb(&ii->stats_r, rf))
sprintf(&buf[strlen(buf)], "Red: %f [ignored]\n", rf);
else
sprintf(&buf[strlen(buf)], "Red: %f -> %d\n", rf, (int)r);
if (is_ignored_rgb(&ii->stats_g, gf))
sprintf(&buf[strlen(buf)], "Green: %f [ignored]\n", gf);
else
sprintf(&buf[strlen(buf)], "Green: %f -> %d\n", gf, (int)g);
if (is_ignored_rgb(&ii->stats_b, bf))
sprintf(&buf[strlen(buf)], "Blue: %f [ignored]\n", rf);
else
sprintf(&buf[strlen(buf)], "Blue: %f -> %d\n", bf, (int)b);
}
}
double lat=0, lon=0;
if (meta_supports_meta_get_latLon(meta))
{
meta_get_latLon(meta, y, x, 0, &lat, &lon);
sprintf(&buf[strlen(buf)], "Lat, Lon: %.5f, %.5f (deg)\n", lat, lon);
//double px, py;
//latLon2UTM(lat,lon,0,&px,&py);
//printf("%14.7f %14.7f --> %13.2f %13.2f\n", lat, lon, px, py);
}
// skip projection coords if not projected, or lat/long pseudo (since
// in that case the projection coords are just the lat/long values
// we are already showing)
if (meta->projection &&
meta->projection->type != LAT_LONG_PSEUDO_PROJECTION)
{
double projX, projY, projZ;
latlon_to_proj(meta->projection, 'R', lat*D2R, lon*D2R, 0,
&projX, &projY, &projZ);
sprintf(&buf[strlen(buf)], "Proj X,Y: %.1f, %.1f m\n",
projX, projY);
}
if (!meta->projection && meta->state_vectors && meta->sar) {
double s,t;
meta_get_timeSlantDop(meta, y, x, &t, &s, NULL);
sprintf(&buf[strlen(buf)],
"Incid: %.4f, Look: %.4f (deg)\n"
"Slant: %.1f m Time: %.3f s\n"
"Yaw: %.4f (deg)\n",
R2D*meta_incid(meta,y,x), R2D*meta_look(meta,y,x), s, t,
R2D*meta_yaw(meta,y,x));
}
if (meta->projection &&
meta->projection->type != LAT_LONG_PSEUDO_PROJECTION &&
meta->projection->type != SCANSAR_PROJECTION) {
distortion_t d;
map_distortions(meta->projection, lat*D2R, lon*D2R, &d);
sprintf(&buf[strlen(buf)], "Meridian scale factor: %.6f\n", d.h);
sprintf(&buf[strlen(buf)], "Parallel scale factor: %.6f\n", d.k);
sprintf(&buf[strlen(buf)], "Areal scale factor: %.6f\n", d.s);
sprintf(&buf[strlen(buf)], "Angular distortion: %.4f (deg)\n", d.omega);
}
if (g_poly->n > 0) {
// start distance measure at crosshair coords
double cross_x, cross_y, prev_x, prev_y;
line_samp_to_proj(ii, y, x, &cross_x, &cross_y);
prev_x = cross_x; prev_y = cross_y;
// iterate through ctrl-clicked coords
int i;
double d=0, A=0; // d=distance, A=area
for (i=0; i<g_poly->n; ++i) {
double proj_x, proj_y;
line_samp_to_proj(ii, g_poly->line[i], g_poly->samp[i],
&proj_x, &proj_y);
d += hypot(proj_x-prev_x, proj_y-prev_y);
A += prev_x * proj_y - proj_x * prev_y;
prev_x = proj_x; prev_y = proj_y;
// for the area calc, we close the polygon automatically
if (i==g_poly->n-1)
A += prev_x * cross_y - cross_x * prev_y;
}
A /= 2.;
char *units = "m";
if (!meta_supports_meta_get_latLon(meta))
units = "pixels";
if (g_poly->n == 1)
sprintf(&buf[strlen(buf)], "Distance to %.1f,%.1f: %.1f %s",
g_poly->line[0], g_poly->samp[0], d, units);
else
sprintf(&buf[strlen(buf)],
"Total distance: %.1f %s (%d points)\n"
"Area (of closure): %.1f %s^2",
d, units, g_poly->n+1, fabs(A), units);
} else {
sprintf(&buf[strlen(buf)], "Distance: (ctrl-click to measure)");
}
put_text_in_textview(buf, "info_textview");
//GtkWidget *lbl = get_widget_checked("upper_label");
//gtk_label_set_text(GTK_LABEL(lbl), buf);
}
bool ignore_manager::is_ignored(user_ptr user, user_ptr ignored_user) const
{
return is_ignored(user->get_session_id(), ignored_user->get_session_id());
}
static int read_chan(struct tty_struct *tty, struct file *file,
unsigned char *buf, unsigned int nr)
{
struct wait_queue wait = { current, NULL };
int c;
unsigned char *b = buf;
int minimum, time;
int retval = 0;
int size;
do_it_again:
if (!tty->read_buf) {
printk("n_tty_read_chan: called with read_buf == NULL?!?\n");
return -EIO;
}
/* Job control check -- must be done at start and after
every sleep (POSIX.1 7.1.1.4). */
/* NOTE: not yet done after every sleep pending a thorough
check of the logic of this change. -- jlc */
/* don't stop on /dev/console */
if (file->f_inode->i_rdev != CONSOLE_DEV &&
current->tty == tty) {
if (tty->pgrp <= 0)
printk("read_chan: tty->pgrp <= 0!\n");
else if (current->pgrp != tty->pgrp) {
if (is_ignored(SIGTTIN) ||
is_orphaned_pgrp(current->pgrp))
return -EIO;
kill_pg(current->pgrp, SIGTTIN, 1);
return -ERESTARTSYS;
}
}
if (L_ICANON(tty)) {
minimum = time = 0;
current->timeout = (unsigned long) -1;
} else {
time = (HZ / 10) * TIME_CHAR(tty);
minimum = MIN_CHAR(tty);
if (minimum) {
current->timeout = (unsigned long) -1;
if (time)
tty->minimum_to_wake = 1;
else if (!waitqueue_active(&tty->read_wait) ||
(tty->minimum_to_wake > minimum))
tty->minimum_to_wake = minimum;
} else {
if (time) {
current->timeout = time + jiffies;
time = 0;
} else
current->timeout = 0;
tty->minimum_to_wake = minimum = 1;
}
}
add_wait_queue(&tty->read_wait, &wait);
while (1) {
/* First test for status change. */
if (tty->packet && tty->link->ctrl_status) {
if (b != buf)
break;
put_user(tty->link->ctrl_status, b++);
tty->link->ctrl_status = 0;
break;
}
/* This statement must be first before checking for input
so that any interrupt will set the state back to
TASK_RUNNING. */
current->state = TASK_INTERRUPTIBLE;
if (((minimum - (b - buf)) < tty->minimum_to_wake) &&
((minimum - (b - buf)) >= 1))
tty->minimum_to_wake = (minimum - (b - buf));
if (!input_available_p(tty, 0)) {
if (tty->flags & (1 << TTY_OTHER_CLOSED)) {
retval = -EIO;
break;
}
if (tty_hung_up_p(file))
break;
if (!current->timeout)
break;
if (file->f_flags & O_NONBLOCK) {
retval = -EAGAIN;
break;
}
if (current->signal & ~current->blocked) {
retval = -ERESTARTSYS;
break;
}
schedule();
continue;
}
current->state = TASK_RUNNING;
/* Deal with packet mode. */
if (tty->packet && b == buf) {
put_user(TIOCPKT_DATA, b++);
nr--;
}
if (L_ICANON(tty)) {
while (1) {
int eol;
disable_bh(TQUEUE_BH);
if (!tty->read_cnt) {
enable_bh(TQUEUE_BH);
break;
}
eol = clear_bit(tty->read_tail,
&tty->read_flags);
c = tty->read_buf[tty->read_tail];
tty->read_tail = ((tty->read_tail+1) &
(N_TTY_BUF_SIZE-1));
tty->read_cnt--;
enable_bh(TQUEUE_BH);
if (!eol) {
put_user(c, b++);
if (--nr)
continue;
break;
}
if (--tty->canon_data < 0) {
tty->canon_data = 0;
}
if (c != __DISABLED_CHAR) {
put_user(c, b++);
nr--;
}
break;
}
} else {
disable_bh(TQUEUE_BH);
copy_from_read_buf(tty, &b, &nr);
copy_from_read_buf(tty, &b, &nr);
enable_bh(TQUEUE_BH);
}
/* If there is enough space in the read buffer now, let the
low-level driver know. */
if (tty->driver.unthrottle &&
(tty->read_cnt <= TTY_THRESHOLD_UNTHROTTLE)
&& clear_bit(TTY_THROTTLED, &tty->flags))
tty->driver.unthrottle(tty);
if (b - buf >= minimum || !nr)
break;
if (time)
current->timeout = time + jiffies;
}
remove_wait_queue(&tty->read_wait, &wait);
if (!waitqueue_active(&tty->read_wait))
tty->minimum_to_wake = minimum;
current->state = TASK_RUNNING;
current->timeout = 0;
size = b - buf;
if (size && nr)
clear_bit(TTY_PUSH, &tty->flags);
if (!size && clear_bit(TTY_PUSH, &tty->flags))
goto do_it_again;
if (!size && !retval)
clear_bit(TTY_PUSH, &tty->flags);
return (size ? size : retval);
}
static ssize_t read_chan(struct tty_struct *tty, struct file *file,
unsigned char *buf, size_t nr)
{
unsigned char *b = buf;
struct wait_queue wait = { current, NULL };
int c;
int minimum, time;
ssize_t retval = 0;
ssize_t size;
long timeout;
do_it_again:
if (!tty->read_buf) {
printk("n_tty_read_chan: called with read_buf == NULL?!?\n");
return -EIO;
}
/* Job control check -- must be done at start and after
every sleep (POSIX.1 7.1.1.4). */
/* NOTE: not yet done after every sleep pending a thorough
check of the logic of this change. -- jlc */
/* don't stop on /dev/console */
if (file->f_dentry->d_inode->i_rdev != CONSOLE_DEV &&
file->f_dentry->d_inode->i_rdev != SYSCONS_DEV &&
current->tty == tty) {
if (tty->pgrp <= 0)
printk("read_chan: tty->pgrp <= 0!\n");
else if (current->pgrp != tty->pgrp) {
if (is_ignored(SIGTTIN) ||
is_orphaned_pgrp(current->pgrp))
return -EIO;
kill_pg(current->pgrp, SIGTTIN, 1);
return -ERESTARTSYS;
}
}
minimum = time = 0;
timeout = MAX_SCHEDULE_TIMEOUT;
if (!tty->icanon) {
time = (HZ / 10) * TIME_CHAR(tty);
minimum = MIN_CHAR(tty);
if (minimum) {
if (time)
tty->minimum_to_wake = 1;
else if (!waitqueue_active(&tty->read_wait) ||
(tty->minimum_to_wake > minimum))
tty->minimum_to_wake = minimum;
} else {
timeout = 0;
if (time) {
timeout = time;
time = 0;
}
tty->minimum_to_wake = minimum = 1;
}
}
if (file->f_flags & O_NONBLOCK) {
if (down_trylock(&tty->atomic_read))
return -EAGAIN;
}
else {
if (down_interruptible(&tty->atomic_read))
return -ERESTARTSYS;
}
add_wait_queue(&tty->read_wait, &wait);
set_bit(TTY_DONT_FLIP, &tty->flags);
while (nr) {
/* First test for status change. */
if (tty->packet && tty->link->ctrl_status) {
unsigned char cs;
if (b != buf)
break;
cs = tty->link->ctrl_status;
tty->link->ctrl_status = 0;
put_user(cs, b++);
nr--;
break;
}
/* This statement must be first before checking for input
so that any interrupt will set the state back to
TASK_RUNNING. */
current->state = TASK_INTERRUPTIBLE;
if (((minimum - (b - buf)) < tty->minimum_to_wake) &&
((minimum - (b - buf)) >= 1))
tty->minimum_to_wake = (minimum - (b - buf));
if (!input_available_p(tty, 0)) {
if (test_bit(TTY_OTHER_CLOSED, &tty->flags)) {
retval = -EIO;
break;
}
if (tty_hung_up_p(file))
break;
if (!timeout)
break;
if (file->f_flags & O_NONBLOCK) {
retval = -EAGAIN;
break;
}
if (signal_pending(current)) {
retval = -ERESTARTSYS;
break;
}
clear_bit(TTY_DONT_FLIP, &tty->flags);
timeout = schedule_timeout(timeout);
set_bit(TTY_DONT_FLIP, &tty->flags);
continue;
}
current->state = TASK_RUNNING;
/* Deal with packet mode. */
if (tty->packet && b == buf) {
put_user(TIOCPKT_DATA, b++);
nr--;
}
if (tty->icanon) {
/* N.B. avoid overrun if nr == 0 */
while (nr && tty->read_cnt) {
int eol;
eol = test_and_clear_bit(tty->read_tail,
&tty->read_flags);
c = tty->read_buf[tty->read_tail];
tty->read_tail = ((tty->read_tail+1) &
(N_TTY_BUF_SIZE-1));
tty->read_cnt--;
if (!eol || (c != __DISABLED_CHAR)) {
put_user(c, b++);
nr--;
}
if (eol) {
/* this test should be redundant:
* we shouldn't be reading data if
* canon_data is 0
*/
if (--tty->canon_data < 0)
tty->canon_data = 0;
break;
}
}
} else {
int uncopied;
uncopied = copy_from_read_buf(tty, &b, &nr);
uncopied += copy_from_read_buf(tty, &b, &nr);
if (uncopied) {
retval = -EFAULT;
break;
}
}
/* If there is enough space in the read buffer now, let the
* low-level driver know. We use n_tty_chars_in_buffer() to
* check the buffer, as it now knows about canonical mode.
* Otherwise, if the driver is throttled and the line is
* longer than TTY_THRESHOLD_UNTHROTTLE in canonical mode,
* we won't get any more characters.
*/
if (n_tty_chars_in_buffer(tty) <= TTY_THRESHOLD_UNTHROTTLE)
check_unthrottle(tty);
if (b - buf >= minimum)
break;
if (time)
timeout = time;
}
clear_bit(TTY_DONT_FLIP, &tty->flags);
up(&tty->atomic_read);
remove_wait_queue(&tty->read_wait, &wait);
if (!waitqueue_active(&tty->read_wait))
tty->minimum_to_wake = minimum;
current->state = TASK_RUNNING;
size = b - buf;
if (size) {
retval = size;
if (nr)
clear_bit(TTY_PUSH, &tty->flags);
} else if (test_and_clear_bit(TTY_PUSH, &tty->flags))
goto do_it_again;
return retval;
}
void push_changes(lua_State *l, const char *base_path, const char *full_path) {
struct dirent **dir_list = NULL;
struct dirent *dir = NULL;
int results;
int i;
int rv;
char *path;
if (strncmp(base_path, full_path, strlen(base_path)) != 0)
die("wtf? %s != %s len %li", base_path, full_path, strlen(base_path));
gettimeofday(&now, NULL);
path = strdup(full_path + strlen(base_path) + 1); /* Skip trailing slash in full_path */
log_debug("relative path is %s", path);
scandir_baton_t baton;
baton.ig = root_ignores;
baton.base_path = base_path;
baton.level = 0;
results = ds_scandir(full_path, &dir_list, &changed_filter, &baton);
if (results == -1) {
log_debug("Error scanning directory %s: %s", full_path, strerror(errno));
return;
} else if (results == 0) {
log_debug("No results found in directory %s", full_path);
return;
}
char *file_path;
char *file_path_rel;
for (i = 0; i < results; i++) {
dir = dir_list[i];
ds_asprintf(&file_path, "%s%s", full_path, dir->d_name);
ds_asprintf(&file_path_rel, "%s%s", path, dir->d_name);
if (is_ignored(file_path)) {
/* we triggered this event */
unignore_change(file_path);
goto cleanup;
}
if (is_directory(full_path, dir)) {
/* TODO: figure out if we need to recurse */
goto cleanup;
}
buf_t *buf = get_buf(file_path_rel);
if (buf == NULL) {
log_err("buf not found for path %s", file_path_rel);
goto cleanup;
}
const char *f2 = file_path;
mmapped_file_t *mf;
struct stat file_stats;
off_t f2_size;
rv = lstat(f2, &file_stats);
if (rv) {
die("Error lstat()ing file %s.", f2);
}
f2_size = file_stats.st_size;
if (f2_size == 0) {
log_debug("%s is empty");
goto cleanup;
}
mf = mmap_file(f2, f2_size, 0, 0);
if (is_binary(mf->buf, mf->len)) {
log_debug("%s is binary. skipping", file_path);
goto diff_cleanup;
}
char *new_text = strndup(mf->buf, mf->len);
char *patch_text = make_patch(l, buf->buf, new_text);
free(new_text);
if (strlen(patch_text) == 0) {
log_debug("no change. not sending patch");
goto diff_cleanup;
}
char *md5_after = md5(mf->buf, mf->len);
send_json(
"{s:s s:i s:s s:s s:s s:s}",
"name", "patch",
"id", buf->id,
"patch", patch_text,
"path", buf->path,
"md5_before", buf->md5,
"md5_after", md5_after
);
free(md5_after);
free(patch_text);
buf->buf = realloc(buf->buf, mf->len + 1);
buf->len = mf->len;
memcpy(buf->buf, mf->buf, buf->len);
diff_cleanup:;
munmap_file(mf);
free(mf);
cleanup:;
free(file_path);
free(file_path_rel);
free(dir);
}
free(dir_list);
free(path);
}
static int read_chan(struct tty_struct *tty, struct file *file,
unsigned char *buf, unsigned int nr)
{
struct wait_queue wait = { current, NULL };
int c;
unsigned char *b = buf;
int minimum, time;
int retval = 0;
/* Job control check -- must be done at start and after
every sleep (POSIX.1 7.1.1.4). */
/* NOTE: not yet done after every sleep pending a thorough
check of the logic of this change. -- jlc */
/* don't stop on /dev/console */
if (file->f_inode->i_rdev != CONSOLE_DEV &&
current->tty == tty->line) {
if (tty->pgrp <= 0)
printk("read_chan: tty->pgrp <= 0!\n");
else if (current->pgrp != tty->pgrp) {
if (is_ignored(SIGTTIN) ||
is_orphaned_pgrp(current->pgrp))
return -EIO;
kill_pg(current->pgrp, SIGTTIN, 1);
return -ERESTARTSYS;
}
}
if (L_ICANON(tty)) {
minimum = time = 0;
current->timeout = (unsigned long) -1;
} else {
time = (HZ / 10) * TIME_CHAR(tty);
minimum = MIN_CHAR(tty);
if (minimum)
current->timeout = (unsigned long) -1;
else {
if (time) {
current->timeout = time + jiffies;
time = 0;
} else
current->timeout = 0;
minimum = 1;
}
}
add_wait_queue(&tty->secondary.proc_list, &wait);
while (1) {
/* First test for status change. */
if (tty->packet && tty->link->ctrl_status) {
if (b != buf)
break;
put_fs_byte(tty->link->ctrl_status, b++);
tty->link->ctrl_status = 0;
break;
}
/* This statement must be first before checking for input
so that any interrupt will set the state back to
TASK_RUNNING. */
current->state = TASK_INTERRUPTIBLE;
if (!input_available_p(tty)) {
if (tty->flags & (1 << TTY_SLAVE_CLOSED)) {
retval = -EIO;
break;
}
if (tty_hung_up_p(file))
break;
if (!current->timeout)
break;
if (file->f_flags & O_NONBLOCK) {
retval = -EAGAIN;
break;
}
if (current->signal & ~current->blocked) {
retval = -ERESTARTSYS;
break;
}
schedule();
continue;
}
current->state = TASK_RUNNING;
/* Deal with packet mode. */
if (tty->packet && b == buf) {
put_fs_byte(TIOCPKT_DATA, b++);
nr--;
}
while (1) {
int eol;
cli();
if (EMPTY(&tty->secondary)) {
sti();
break;
}
eol = clear_bit(tty->secondary.tail,
&tty->secondary_flags);
c = tty->secondary.buf[tty->secondary.tail];
if (!nr) {
/* Gobble up an immediately following EOF if
there is no more room in buf (this can
happen if the user "pushes" some characters
using ^D). This prevents the next read()
from falsely returning EOF. */
if (eol) {
if (c == __DISABLED_CHAR) {
tty->canon_data--;
INC(tty->secondary.tail);
} else {
set_bit(tty->secondary.tail,
&tty->secondary_flags);
}
}
sti();
break;
}
INC(tty->secondary.tail);
sti();
if (eol) {
if (--tty->canon_data < 0) {
printk("read_chan: canon_data < 0!\n");
tty->canon_data = 0;
}
if (c == __DISABLED_CHAR)
break;
put_fs_byte(c, b++);
nr--;
break;
}
put_fs_byte(c, b++);
nr--;
}
/* If there is enough space in the secondary queue now, let the
low-level driver know. */
if (tty->throttle && (LEFT(&tty->secondary) >= SQ_THRESHOLD_HW)
&& clear_bit(TTY_SQ_THROTTLED, &tty->flags))
tty->throttle(tty, TTY_THROTTLE_SQ_AVAIL);
if (b - buf >= minimum || !nr)
break;
if (time)
current->timeout = time + jiffies;
}
remove_wait_queue(&tty->secondary.proc_list, &wait);
current->state = TASK_RUNNING;
current->timeout = 0;
return (b - buf) ? b - buf : retval;
}