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Be more conservative about redrawing using flags.

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This commit is contained in:
Nicholas Marriott
2008-06-07 06:47:38 +00:00
parent 6f7d59d279
commit 77224aaf8b
3 changed files with 66 additions and 30 deletions
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35
server.c
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@ -1,4 +1,4 @@
/* $Id: server.c,v 1.56 2008-06-07 06:13:21 nicm Exp $ */
/* $Id: server.c,v 1.57 2008-06-07 06:47:38 nicm Exp $ */
/*
* Copyright (c) 2007 Nicholas Marriott <nicm@users.sourceforge.net>
@ -54,6 +54,7 @@ void server_handle_client(struct client *);
void server_handle_window(struct window *);
void server_lost_client(struct client *);
void server_lost_window(struct window *);
void server_check_redraw(struct client *);
void server_check_status(struct client *);
/* Fork new server. */
@ -269,6 +270,26 @@ server_handle_windows(struct pollfd **pfd)
}
}
/* Check for general redraw on client. */
void
server_check_redraw(struct client *c)
{
struct screen_redraw_ctx ctx;
if (c == NULL || c->session == NULL)
return;
if (c->flags & CLIENT_REDRAW) {
screen_redraw_start_client(&ctx, c);
screen_redraw_lines(&ctx, 0, screen_size_y(ctx.s));
screen_redraw_stop(&ctx);
status_write_client(c);
} else if (c->flags & CLIENT_STATUS)
status_write_client(c);
c->flags &= ~(CLIENT_REDRAW|CLIENT_STATUS);
}
/* Check for status line redraw on client. */
void
server_check_status(struct client *c)
@ -276,8 +297,9 @@ server_check_status(struct client *c)
struct timespec ts;
u_int nlines, interval;
if (c->session == NULL)
if (c == NULL || c->session == NULL)
return;
nlines = options_get_number(&c->session->options, "status-lines");
interval = options_get_number(&c->session->options, "status-interval");
if (nlines == 0 || interval == 0)
@ -288,7 +310,7 @@ server_check_status(struct client *c)
ts.tv_sec -= interval;
if (timespeccmp(&c->status_ts, &ts, <))
server_status_client(c);
c->flags |= CLIENT_STATUS;
}
/* Fill client pollfds. */
@ -301,6 +323,9 @@ server_fill_clients(struct pollfd **pfd)
for (i = 0; i < ARRAY_LENGTH(&clients); i++) {
c = ARRAY_ITEM(&clients, i);
server_check_redraw(c);
server_check_status(c);
if (c == NULL)
(*pfd)->fd = -1;
else {
@ -335,9 +360,7 @@ server_handle_clients(struct pollfd **pfd)
for (i = 0; i < ARRAY_LENGTH(&clients); i++) {
c = ARRAY_ITEM(&clients, i);
if (c != NULL) {
server_check_status(c);
if (c != NULL) {
log_debug("testing client %d (%d)", (*pfd)->fd, c->fd);
if (buffer_poll(*pfd, c->in, c->out) != 0) {
server_lost_client(c);