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Move client offset stuff into control.c since only control clients will

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need it.
This commit is contained in:
nicm
2020-05-22 11:07:04 +00:00
parent 31e3f2d530
commit 9a0763c3a0
4 changed files with 157 additions and 83 deletions
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84
server-client.c
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@@ -71,43 +71,6 @@ server_client_window_cmp(struct client_window *cw1,
}
RB_GENERATE(client_windows, client_window, entry, server_client_window_cmp);
/* Compare client offsets. */
static int
server_client_offset_cmp(struct client_offset *co1, struct client_offset *co2)
{
if (co1->pane < co2->pane)
return (-1);
if (co1->pane > co2->pane)
return (1);
return (0);
}
RB_GENERATE(client_offsets, client_offset, entry, server_client_offset_cmp);
/* Get pane offsets for this client. */
struct client_offset *
server_client_get_pane_offset(struct client *c, struct window_pane *wp)
{
struct client_offset co = { .pane = wp->id };
return (RB_FIND(client_offsets, &c->offsets, &co));
}
/* Add pane offsets for this client. */
struct client_offset *
server_client_add_pane_offset(struct client *c, struct window_pane *wp)
{
struct client_offset *co;
co = server_client_get_pane_offset(c, wp);
if (co != NULL)
return (co);
co = xcalloc(1, sizeof *co);
co->pane = wp->id;
RB_INSERT(client_offsets, &c->offsets, co);
memcpy(&co->offset, &wp->offset, sizeof co->offset);
return (co);
}
/* Number of attached clients. */
u_int
server_client_how_many(void)
@@ -264,7 +227,6 @@ server_client_create(int fd)
c->queue = cmdq_new();
RB_INIT(&c->windows);
RB_INIT(&c->offsets);
RB_INIT(&c->files);
c->tty.fd = -1;
@@ -325,7 +287,6 @@ server_client_lost(struct client *c)
{
struct client_file *cf, *cf1;
struct client_window *cw, *cw1;
struct client_offset *co, *co1;
c->flags |= CLIENT_DEAD;
@@ -341,10 +302,7 @@ server_client_lost(struct client *c)
RB_REMOVE(client_windows, &c->windows, cw);
free(cw);
}
RB_FOREACH_SAFE(co, client_offsets, &c->offsets, co1) {
RB_REMOVE(client_offsets, &c->offsets, co);
free(co);
}
control_free_offsets(c);
TAILQ_REMOVE(&clients, c, entry);
log_debug("lost client %p", c);
@@ -1542,8 +1500,9 @@ server_client_check_pane_buffer(struct window_pane *wp)
struct evbuffer *evb = wp->event->input;
size_t minimum;
struct client *c;
struct client_offset *co;
int off = !TAILQ_EMPTY(&clients);
struct window_pane_offset *wpo;
int off = 1, flag;
u_int attached_clients = 0;
/*
* Work out the minimum acknowledged size. This is the most that can be
@@ -1555,20 +1514,28 @@ server_client_check_pane_buffer(struct window_pane *wp)
TAILQ_FOREACH(c, &clients, entry) {
if (c->session == NULL)
continue;
if ((~c->flags & CLIENT_CONTROL) ||
(c->flags & CLIENT_CONTROL_NOOUTPUT) ||
(co = server_client_get_pane_offset(c, wp)) == NULL) {
attached_clients++;
if (~c->flags & CLIENT_CONTROL) {
off = 0;
continue;
}
if (~co->flags & CLIENT_OFFSET_OFF)
wpo = control_pane_offset(c, wp, &flag);
if (wpo == NULL) {
off = 0;
continue;
}
if (!flag)
off = 0;
log_debug("%s: %s has %zu bytes used, %zu bytes acknowledged "
"for %%%u", __func__, c->name, co->offset.used,
co->offset.acknowledged, wp->id);
if (co->offset.acknowledged < minimum)
minimum = co->offset.acknowledged;
"for %%%u", __func__, c->name, wpo->used, wpo->acknowledged,
wp->id);
if (wpo->acknowledged < minimum)
minimum = wpo->acknowledged;
}
if (attached_clients == 0)
off = 0;
minimum -= wp->base_offset;
if (minimum == 0)
goto out;
@@ -1593,10 +1560,10 @@ server_client_check_pane_buffer(struct window_pane *wp)
TAILQ_FOREACH(c, &clients, entry) {
if (c->session == NULL || (~c->flags & CLIENT_CONTROL))
continue;
co = server_client_get_pane_offset(c, wp);
if (co != NULL) {
co->offset.acknowledged -= wp->base_offset;
co->offset.used -= wp->base_offset;
wpo = control_pane_offset(c, wp, &flag);
if (wpo != NULL && !flag) {
wpo->acknowledged -= wp->base_offset;
wpo->used -= wp->base_offset;
}
}
wp->base_offset = minimum;
@@ -2394,9 +2361,10 @@ server_client_set_flags(struct client *c, const char *flags)
c->flags &= ~flag;
else
c->flags |= flag;
if (flag == CLIENT_CONTROL_NOOUTPUT)
control_free_offsets(c);
}
free(copy);
}
/* Get client flags. This is only flags useful to show to users. */