Merge branch 'obsd-master'

This commit is contained in:
Thomas Adam 2017-04-19 10:01:12 +01:00
commit 85af9c9c9d
5 changed files with 76 additions and 6 deletions

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@ -1174,7 +1174,9 @@ format_defaults_client(struct format_tree *ft, struct client *c)
format_add_tv(ft, "client_created", &c->creation_time); format_add_tv(ft, "client_created", &c->creation_time);
format_add_tv(ft, "client_activity", &c->activity_time); format_add_tv(ft, "client_activity", &c->activity_time);
format_add(ft, "client_written", "%zu", tty->written);
format_add(ft, "client_written", "%zu", c->written);
format_add(ft, "client_discarded", "%zu", c->discarded);
name = server_client_get_key_table(c); name = server_client_get_key_table(c);
if (strcmp(c->keytable->name, name) == 0) if (strcmp(c->keytable->name, name) == 0)

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@ -1277,8 +1277,8 @@ server_client_check_redraw(struct client *c)
screen_redraw_update(c); /* will adjust flags */ screen_redraw_update(c); /* will adjust flags */
} }
flags = tty->flags & (TTY_FREEZE|TTY_NOCURSOR); flags = tty->flags & (TTY_BLOCK|TTY_FREEZE|TTY_NOCURSOR);
tty->flags = (tty->flags & ~TTY_FREEZE) | TTY_NOCURSOR; tty->flags = (tty->flags & ~(TTY_BLOCK|TTY_FREEZE)) | TTY_NOCURSOR;
if (c->flags & CLIENT_REDRAW) { if (c->flags & CLIENT_REDRAW) {
tty_update_mode(tty, tty->mode, NULL); tty_update_mode(tty, tty->mode, NULL);

1
tmux.1
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@ -3512,6 +3512,7 @@ The following variables are available, where appropriate:
.It Li "client_activity" Ta "" Ta "Integer time client last had activity" .It Li "client_activity" Ta "" Ta "Integer time client last had activity"
.It Li "client_created" Ta "" Ta "Integer time client created" .It Li "client_created" Ta "" Ta "Integer time client created"
.It Li "client_control_mode" Ta "" Ta "1 if client is in control mode" .It Li "client_control_mode" Ta "" Ta "1 if client is in control mode"
.It Li "client_discarded" Ta "" Ta "Bytes discarded when client behind"
.It Li "client_height" Ta "" Ta "Height of client" .It Li "client_height" Ta "" Ta "Height of client"
.It Li "client_key_table" Ta "" Ta "Current key table" .It Li "client_key_table" Ta "" Ta "Current key table"
.It Li "client_last_session" Ta "" Ta "Name of the client's last session" .It Li "client_last_session" Ta "" Ta "Name of the client's last session"

7
tmux.h
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@ -1047,7 +1047,8 @@ struct tty {
struct evbuffer *in; struct evbuffer *in;
struct event event_out; struct event event_out;
struct evbuffer *out; struct evbuffer *out;
size_t written; struct event timer;
size_t discarded;
struct termios tio; struct termios tio;
@ -1063,6 +1064,7 @@ struct tty {
#define TTY_STARTED 0x10 #define TTY_STARTED 0x10
#define TTY_OPENED 0x20 #define TTY_OPENED 0x20
#define TTY_FOCUS 0x40 #define TTY_FOCUS 0x40
#define TTY_BLOCK 0x80
int flags; int flags;
struct tty_term *term; struct tty_term *term;
@ -1310,6 +1312,9 @@ struct client {
char *ttyname; char *ttyname;
struct tty tty; struct tty tty;
size_t written;
size_t discarded;
void (*stdin_callback)(struct client *, int, void *); void (*stdin_callback)(struct client *, int, void *);
void *stdin_callback_data; void *stdin_callback_data;
struct evbuffer *stdin_data; struct evbuffer *stdin_data;

66
tty.c
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@ -79,6 +79,10 @@ static void tty_default_attributes(struct tty *, const struct window_pane *,
#define tty_pane_full_width(tty, ctx) \ #define tty_pane_full_width(tty, ctx) \
((ctx)->xoff == 0 && screen_size_x((ctx)->wp->screen) >= (tty)->sx) ((ctx)->xoff == 0 && screen_size_x((ctx)->wp->screen) >= (tty)->sx)
#define TTY_BLOCK_INTERVAL (100000 /* 100 milliseconds */)
#define TTY_BLOCK_START(tty) (1 + ((tty)->sx * (tty)->sy) * 8)
#define TTY_BLOCK_STOP(tty) (1 + ((tty)->sx * (tty)->sy) / 8)
void void
tty_create_log(void) tty_create_log(void)
{ {
@ -171,6 +175,51 @@ tty_read_callback(__unused int fd, __unused short events, void *data)
; ;
} }
static void
tty_timer_callback(__unused int fd, __unused short events, void *data)
{
struct tty *tty = data;
struct client *c = tty->client;
struct timeval tv = { .tv_usec = TTY_BLOCK_INTERVAL };
log_debug("%s: %zu discarded", c->name, tty->discarded);
c->flags |= CLIENT_REDRAW;
c->discarded += tty->discarded;
if (tty->discarded < TTY_BLOCK_STOP(tty)) {
tty->flags &= ~TTY_BLOCK;
tty_invalidate(tty);
return;
}
tty->discarded = 0;
evtimer_add(&tty->timer, &tv);
}
static int
tty_block_maybe(struct tty *tty)
{
struct client *c = tty->client;
size_t size = EVBUFFER_LENGTH(tty->out);
struct timeval tv = { .tv_usec = TTY_BLOCK_INTERVAL };
if (size < TTY_BLOCK_START(tty))
return (0);
if (tty->flags & TTY_BLOCK)
return (1);
tty->flags |= TTY_BLOCK;
log_debug("%s: can't keep up, %zu discarded", c->name, size);
evbuffer_drain(tty->out, size);
c->discarded += size;
tty->discarded = 0;
evtimer_add(&tty->timer, &tv);
return (1);
}
static void static void
tty_write_callback(__unused int fd, __unused short events, void *data) tty_write_callback(__unused int fd, __unused short events, void *data)
{ {
@ -184,6 +233,9 @@ tty_write_callback(__unused int fd, __unused short events, void *data)
return; return;
log_debug("%s: wrote %d bytes (of %zu)", c->name, nwrite, size); log_debug("%s: wrote %d bytes (of %zu)", c->name, nwrite, size);
if (tty_block_maybe(tty))
return;
if (EVBUFFER_LENGTH(tty->out) != 0) if (EVBUFFER_LENGTH(tty->out) != 0)
event_add(&tty->event_out, NULL); event_add(&tty->event_out, NULL);
} }
@ -198,7 +250,7 @@ tty_open(struct tty *tty, char **cause)
} }
tty->flags |= TTY_OPENED; tty->flags |= TTY_OPENED;
tty->flags &= ~(TTY_NOCURSOR|TTY_FREEZE); tty->flags &= ~(TTY_NOCURSOR|TTY_FREEZE|TTY_BLOCK|TTY_TIMER);
event_set(&tty->event_in, tty->fd, EV_PERSIST|EV_READ, event_set(&tty->event_in, tty->fd, EV_PERSIST|EV_READ,
tty_read_callback, tty); tty_read_callback, tty);
@ -207,6 +259,8 @@ tty_open(struct tty *tty, char **cause)
event_set(&tty->event_out, tty->fd, EV_WRITE, tty_write_callback, tty); event_set(&tty->event_out, tty->fd, EV_WRITE, tty_write_callback, tty);
tty->out = evbuffer_new(); tty->out = evbuffer_new();
evtimer_set(&tty->timer, tty_timer_callback, tty);
tty_start_tty(tty); tty_start_tty(tty);
tty_keys_build(tty); tty_keys_build(tty);
@ -273,6 +327,9 @@ tty_stop_tty(struct tty *tty)
return; return;
tty->flags &= ~TTY_STARTED; tty->flags &= ~TTY_STARTED;
event_del(&tty->timer);
tty->flags &= ~TTY_BLOCK;
event_del(&tty->event_in); event_del(&tty->event_in);
event_del(&tty->event_out); event_del(&tty->event_out);
@ -425,9 +482,14 @@ tty_add(struct tty *tty, const char *buf, size_t len)
{ {
struct client *c = tty->client; struct client *c = tty->client;
if (tty->flags & TTY_BLOCK) {
tty->discarded += len;
return;
}
evbuffer_add(tty->out, buf, len); evbuffer_add(tty->out, buf, len);
log_debug("%s: %.*s", c->name, (int)len, (const char *)buf); log_debug("%s: %.*s", c->name, (int)len, (const char *)buf);
tty->written += len; c->written += len;
if (tty_log_fd != -1) if (tty_log_fd != -1)
write(tty_log_fd, buf, len); write(tty_log_fd, buf, len);