version 1.344, 2020/05/16 16:50:55 |
version 1.345, 2020/05/21 07:24:13 |
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static void server_client_free(int, short, void *); |
static void server_client_free(int, short, void *); |
static void server_client_check_pane_focus(struct window_pane *); |
static void server_client_check_pane_focus(struct window_pane *); |
static void server_client_check_pane_resize(struct window_pane *); |
static void server_client_check_pane_resize(struct window_pane *); |
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static void server_client_check_pane_buffer(struct window_pane *); |
static void server_client_check_window_resize(struct window *); |
static void server_client_check_window_resize(struct window *); |
static key_code server_client_check_mouse(struct client *, struct key_event *); |
static key_code server_client_check_mouse(struct client *, struct key_event *); |
static void server_client_repeat_timer(int, short, void *); |
static void server_client_repeat_timer(int, short, void *); |
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} |
} |
RB_GENERATE(client_windows, client_window, entry, server_client_window_cmp); |
RB_GENERATE(client_windows, client_window, entry, server_client_window_cmp); |
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/* Compare client offsets. */ |
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static int |
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server_client_offset_cmp(struct client_offset *co1, struct client_offset *co2) |
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{ |
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if (co1->pane < co2->pane) |
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return (-1); |
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if (co1->pane > co2->pane) |
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return (1); |
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return (0); |
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} |
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RB_GENERATE(client_offsets, client_offset, entry, server_client_offset_cmp); |
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/* Get pane offsets for this client. */ |
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struct client_offset * |
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server_client_get_pane_offset(struct client *c, struct window_pane *wp) |
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{ |
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struct client_offset co = { .pane = wp->id }; |
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return (RB_FIND(client_offsets, &c->offsets, &co)); |
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} |
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/* Add pane offsets for this client. */ |
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struct client_offset * |
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server_client_add_pane_offset(struct client *c, struct window_pane *wp) |
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{ |
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struct client_offset *co; |
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co = server_client_get_pane_offset(c, wp); |
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if (co != NULL) |
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return (co); |
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co = xcalloc(1, sizeof *co); |
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co->pane = wp->id; |
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RB_INSERT(client_offsets, &c->offsets, co); |
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memcpy(&co->offset, &wp->offset, sizeof co->offset); |
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return (co); |
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} |
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/* Number of attached clients. */ |
/* Number of attached clients. */ |
u_int |
u_int |
server_client_how_many(void) |
server_client_how_many(void) |
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c->queue = cmdq_new(); |
c->queue = cmdq_new(); |
RB_INIT(&c->windows); |
RB_INIT(&c->windows); |
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RB_INIT(&c->offsets); |
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RB_INIT(&c->files); |
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c->tty.fd = -1; |
c->tty.fd = -1; |
c->tty.sx = 80; |
c->tty.sx = 80; |
c->tty.sy = 24; |
c->tty.sy = 24; |
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status_init(c); |
status_init(c); |
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RB_INIT(&c->files); |
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c->flags |= CLIENT_FOCUSED; |
c->flags |= CLIENT_FOCUSED; |
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c->keytable = key_bindings_get_table("root", 1); |
c->keytable = key_bindings_get_table("root", 1); |
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{ |
{ |
struct client_file *cf, *cf1; |
struct client_file *cf, *cf1; |
struct client_window *cw, *cw1; |
struct client_window *cw, *cw1; |
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struct client_offset *co, *co1; |
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c->flags |= CLIENT_DEAD; |
c->flags |= CLIENT_DEAD; |
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RB_REMOVE(client_windows, &c->windows, cw); |
RB_REMOVE(client_windows, &c->windows, cw); |
free(cw); |
free(cw); |
} |
} |
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RB_FOREACH_SAFE(co, client_offsets, &c->offsets, co1) { |
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RB_REMOVE(client_offsets, &c->offsets, co); |
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free(co); |
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} |
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TAILQ_REMOVE(&clients, c, entry); |
TAILQ_REMOVE(&clients, c, entry); |
log_debug("lost client %p", c); |
log_debug("lost client %p", c); |
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if (focus) |
if (focus) |
server_client_check_pane_focus(wp); |
server_client_check_pane_focus(wp); |
server_client_check_pane_resize(wp); |
server_client_check_pane_resize(wp); |
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server_client_check_pane_buffer(wp); |
} |
} |
wp->flags &= ~PANE_REDRAW; |
wp->flags &= ~PANE_REDRAW; |
} |
} |
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server_client_start_resize_timer(wp); |
server_client_start_resize_timer(wp); |
} else |
} else |
log_debug("%s: %%%u timer running", __func__, wp->id); |
log_debug("%s: %%%u timer running", __func__, wp->id); |
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} |
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/* Check pane buffer size. */ |
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static void |
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server_client_check_pane_buffer(struct window_pane *wp) |
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{ |
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struct evbuffer *evb = wp->event->input; |
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size_t minimum; |
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struct client *c; |
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struct client_offset *co; |
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int off = !TAILQ_EMPTY(&clients); |
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/* |
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* Work out the minimum acknowledged size. This is the most that can be |
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* removed from the buffer. |
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*/ |
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minimum = wp->offset.acknowledged; |
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if (wp->pipe_fd != -1 && wp->pipe_offset.acknowledged < minimum) |
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minimum = wp->pipe_offset.acknowledged; |
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TAILQ_FOREACH(c, &clients, entry) { |
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if (c->session == NULL) |
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continue; |
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if ((~c->flags & CLIENT_CONTROL) || |
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(c->flags & CLIENT_CONTROL_NOOUTPUT) || |
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(co = server_client_get_pane_offset(c, wp)) == NULL) { |
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off = 0; |
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continue; |
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} |
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if (~co->flags & CLIENT_OFFSET_OFF) |
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off = 0; |
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log_debug("%s: %s has %zu bytes used, %zu bytes acknowledged " |
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"for %%%u", __func__, c->name, co->offset.used, |
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co->offset.acknowledged, wp->id); |
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if (co->offset.acknowledged < minimum) |
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minimum = co->offset.acknowledged; |
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} |
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minimum -= wp->base_offset; |
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if (minimum == 0) |
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goto out; |
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/* Drain the buffer. */ |
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log_debug("%s: %%%u has %zu minimum (of %zu) bytes acknowledged", |
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__func__, wp->id, minimum, EVBUFFER_LENGTH(evb)); |
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evbuffer_drain(evb, minimum); |
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/* |
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* Adjust the base offset. If it would roll over, all the offsets into |
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* the buffer need to be adjusted. |
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*/ |
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if (wp->base_offset > SIZE_MAX - minimum) { |
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log_debug("%s: %%%u base offset has wrapped", __func__, wp->id); |
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wp->offset.acknowledged -= wp->base_offset; |
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wp->offset.used -= wp->base_offset; |
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if (wp->pipe_fd != -1) { |
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wp->pipe_offset.acknowledged -= wp->base_offset; |
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wp->pipe_offset.used -= wp->base_offset; |
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} |
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TAILQ_FOREACH(c, &clients, entry) { |
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if (c->session == NULL || (~c->flags & CLIENT_CONTROL)) |
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continue; |
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co = server_client_get_pane_offset(c, wp); |
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if (co != NULL) { |
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co->offset.acknowledged -= wp->base_offset; |
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co->offset.used -= wp->base_offset; |
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} |
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} |
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wp->base_offset = minimum; |
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} else |
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wp->base_offset += minimum; |
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out: |
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/* |
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* If there is data remaining, and there are no clients able to consume |
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* it, do not read any more. This is true when 1) there are attached |
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* clients 2) all the clients are control clients 3) all of them have |
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* either the OFF flag set, or are otherwise not able to accept any |
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* more data for this pane. |
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*/ |
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if (off) |
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bufferevent_disable(wp->event, EV_READ); |
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else |
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bufferevent_enable(wp->event, EV_READ); |
} |
} |
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/* Check whether pane should be focused. */ |
/* Check whether pane should be focused. */ |