Head

GCC Code Coverage Report

Directory:	./		Exec	Total	Coverage
File:	usr.bin/tmux/control-notify.c	Lines:	0	68	0.0 %
Date:	2017-11-13	Branches:	0	102	0.0 %


/* $OpenBSD: control-notify.c,v 1.21 2017/05/04 07:16:43 nicm Exp $ */

/*
 * Copyright (c) 2012 Nicholas Marriott <nicholas.marriott@gmail.com>
 * Copyright (c) 2012 George Nachman <tmux@georgester.com>
 *
 * Permission to use, copy, modify, and distribute this software for any
 * purpose with or without fee is hereby granted, provided that the above
 * copyright notice and this permission notice appear in all copies.
 *
 * THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES
 * WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF
 * MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR
 * ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
 * WHATSOEVER RESULTING FROM LOSS OF MIND, USE, DATA OR PROFITS, WHETHER
 * IN AN ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING
 * OUT OF OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
 */

#include <sys/types.h>

#include <stdlib.h>

#include "tmux.h"

#define CONTROL_SHOULD_NOTIFY_CLIENT(c) \
	((c) != NULL && ((c)->flags & CLIENT_CONTROL))

void
control_notify_input(struct client *c, struct window_pane *wp,
    struct evbuffer *input)
{
	u_char		*buf;
	size_t		 len;
	struct evbuffer *message;
	u_int		 i;

	if (c->session == NULL)
	    return;

	buf = EVBUFFER_DATA(input);
	len = EVBUFFER_LENGTH(input);

	/*
	 * Only write input if the window pane is linked to a window belonging
	 * to the client's session.
	 */
	if (winlink_find_by_window(&c->session->windows, wp->window) != NULL) {
		message = evbuffer_new();
		evbuffer_add_printf(message, "%%output %%%u ", wp->id);
		for (i = 0; i < len; i++) {
			if (buf[i] < ' ' || buf[i] == '\\')
			    evbuffer_add_printf(message, "\\%03o", buf[i]);
			else
			    evbuffer_add_printf(message, "%c", buf[i]);
		}
		control_write_buffer(c, message);
		evbuffer_free(message);
	}
}

void
control_notify_pane_mode_changed(int pane)
{
	struct client	*c;

	TAILQ_FOREACH(c, &clients, entry) {
		if (!CONTROL_SHOULD_NOTIFY_CLIENT(c))
			continue;

		control_write(c, "%%pane-mode-changed %%%u", pane);
	}
}

void
control_notify_window_layout_changed(struct window *w)
{
	struct client	*c;
	struct session	*s;
	struct winlink	*wl;
	const char	*template;
	char		*cp;

	template = "%layout-change #{window_id} #{window_layout} "
	    "#{window_visible_layout} #{window_flags}";

	TAILQ_FOREACH(c, &clients, entry) {
		if (!CONTROL_SHOULD_NOTIFY_CLIENT(c) || c->session == NULL)
			continue;
		s = c->session;

		if (winlink_find_by_window_id(&s->windows, w->id) == NULL)
			continue;

		/*
		 * When the last pane in a window is closed it won't have a
		 * layout root and we don't need to inform the client about the
		 * layout change because the whole window will go away soon.
		 */
		if (w->layout_root == NULL)
			continue;

		wl = winlink_find_by_window(&s->windows, w);
		if (wl != NULL) {
			cp = format_single(NULL, template, c, NULL, wl, NULL);
			control_write(c, "%s", cp);
			free(cp);
		}
	}
}

void
control_notify_window_pane_changed(struct window *w)
{
	struct client	*c;

	TAILQ_FOREACH(c, &clients, entry) {
		if (!CONTROL_SHOULD_NOTIFY_CLIENT(c))
			continue;

		control_write(c, "%%window-pane-changed @%u %%%u", w->id,
		    w->active->id);
	}
}

void
control_notify_window_unlinked(__unused struct session *s, struct window *w)
{
	struct client	*c;
	struct session	*cs;

	TAILQ_FOREACH(c, &clients, entry) {
		if (!CONTROL_SHOULD_NOTIFY_CLIENT(c) || c->session == NULL)
			continue;
		cs = c->session;

		if (winlink_find_by_window_id(&cs->windows, w->id) != NULL)
			control_write(c, "%%window-close @%u", w->id);
		else
			control_write(c, "%%unlinked-window-close @%u", w->id);
	}
}

void
control_notify_window_linked(__unused struct session *s, struct window *w)
{
	struct client	*c;
	struct session	*cs;

	TAILQ_FOREACH(c, &clients, entry) {
		if (!CONTROL_SHOULD_NOTIFY_CLIENT(c) || c->session == NULL)
			continue;
		cs = c->session;

		if (winlink_find_by_window_id(&cs->windows, w->id) != NULL)
			control_write(c, "%%window-add @%u", w->id);
		else
			control_write(c, "%%unlinked-window-add @%u", w->id);
	}
}

void
control_notify_window_renamed(struct window *w)
{
	struct client	*c;
	struct session	*cs;

	TAILQ_FOREACH(c, &clients, entry) {
		if (!CONTROL_SHOULD_NOTIFY_CLIENT(c) || c->session == NULL)
			continue;
		cs = c->session;

		if (winlink_find_by_window_id(&cs->windows, w->id) != NULL) {
			control_write(c, "%%window-renamed @%u %s", w->id,
			    w->name);
		} else {
			control_write(c, "%%unlinked-window-renamed @%u %s",
			    w->id, w->name);
		}
	}
}

void
control_notify_client_session_changed(struct client *cc)
{
	struct client	*c;
	struct session	*s;

	if (cc->session == NULL)
		return;
	s = cc->session;

	TAILQ_FOREACH(c, &clients, entry) {
		if (!CONTROL_SHOULD_NOTIFY_CLIENT(c) || c->session == NULL)
			continue;

		if (cc == c) {
			control_write(c, "%%session-changed $%u %s", s->id,
			    s->name);
		} else {
			control_write(c, "%%client-session-changed %s $%u %s",
			    cc->name, s->id, s->name);
		}
	}
}

void
control_notify_session_renamed(struct session *s)
{
	struct client	*c;

	TAILQ_FOREACH(c, &clients, entry) {
		if (!CONTROL_SHOULD_NOTIFY_CLIENT(c))
			continue;

		control_write(c, "%%session-renamed $%u %s", s->id, s->name);
	}
}

void
control_notify_session_created(__unused struct session *s)
{
	struct client	*c;

	TAILQ_FOREACH(c, &clients, entry) {
		if (!CONTROL_SHOULD_NOTIFY_CLIENT(c))
			continue;

		control_write(c, "%%sessions-changed");
	}
}

void
control_notify_session_closed(__unused struct session *s)
{
	struct client	*c;

	TAILQ_FOREACH(c, &clients, entry) {
		if (!CONTROL_SHOULD_NOTIFY_CLIENT(c))
			continue;

		control_write(c, "%%sessions-changed");
	}
}

void
control_notify_session_window_changed(struct session *s)
{
	struct client	*c;

	TAILQ_FOREACH(c, &clients, entry) {
		if (!CONTROL_SHOULD_NOTIFY_CLIENT(c))
			continue;

		control_write(c, "%%session-window-changed $%u @%u", s->id,
		    s->curw->window->id);
	}
}


Generated by: GCOVR (Version 3.3)

Line	Branch	Exec	Source
1			/* $OpenBSD: control-notify.c,v 1.21 2017/05/04 07:16:43 nicm Exp $ */
2
3			/*
4			* Copyright (c) 2012 Nicholas Marriott <nicholas.marriott@gmail.com>
5			* Copyright (c) 2012 George Nachman <tmux@georgester.com>
6			*
7			* Permission to use, copy, modify, and distribute this software for any
8			* purpose with or without fee is hereby granted, provided that the above
9			* copyright notice and this permission notice appear in all copies.
10			*
11			* THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES
12			* WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF
13			* MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR
14			* ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
15			* WHATSOEVER RESULTING FROM LOSS OF MIND, USE, DATA OR PROFITS, WHETHER
16			* IN AN ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING
17			* OUT OF OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
18			*/
19
20			#include <sys/types.h>
21
22			#include <stdlib.h>
23
24			#include "tmux.h"
25
26			#define CONTROL_SHOULD_NOTIFY_CLIENT(c) \
27			((c) != NULL && ((c)->flags & CLIENT_CONTROL))
28
29			void
30			control_notify_input(struct client c, struct window_pane wp,
31			struct evbuffer *input)
32			{
33			u_char *buf;
34			size_t len;
35			struct evbuffer *message;
36			u_int i;
37
38			if (c->session == NULL)
39			return;
40
41			buf = EVBUFFER_DATA(input);
42			len = EVBUFFER_LENGTH(input);
43
44			/*
45			* Only write input if the window pane is linked to a window belonging
46			* to the client's session.
47			*/
48			if (winlink_find_by_window(&c->session->windows, wp->window) != NULL) {
49			message = evbuffer_new();
50			evbuffer_add_printf(message, "%%output %%%u ", wp->id);
51			for (i = 0; i < len; i++) {
52			if (buf[i] < ' ' \|\| buf[i] == '\\')
53			evbuffer_add_printf(message, "\\%03o", buf[i]);
54			else
55			evbuffer_add_printf(message, "%c", buf[i]);
56			}
57			control_write_buffer(c, message);
58			evbuffer_free(message);
59			}
60			}
61
62			void
63			control_notify_pane_mode_changed(int pane)
64			{
65			struct client *c;
66
67			TAILQ_FOREACH(c, &clients, entry) {
68			if (!CONTROL_SHOULD_NOTIFY_CLIENT(c))
69			continue;
70
71			control_write(c, "%%pane-mode-changed %%%u", pane);
72			}
73			}
74
75			void
76			control_notify_window_layout_changed(struct window *w)
77			{
78			struct client *c;
79			struct session *s;
80			struct winlink *wl;
81			const char *template;
82			char *cp;
83
84			template = "%layout-change #{window_id} #{window_layout} "
85			"#{window_visible_layout} #{window_flags}";
86
87			TAILQ_FOREACH(c, &clients, entry) {
88			if (!CONTROL_SHOULD_NOTIFY_CLIENT(c) \|\| c->session == NULL)
89			continue;
90			s = c->session;
91
92			if (winlink_find_by_window_id(&s->windows, w->id) == NULL)
93			continue;
94
95			/*
96			* When the last pane in a window is closed it won't have a
97			* layout root and we don't need to inform the client about the
98			* layout change because the whole window will go away soon.
99			*/
100			if (w->layout_root == NULL)
101			continue;
102
103			wl = winlink_find_by_window(&s->windows, w);
104			if (wl != NULL) {
105			cp = format_single(NULL, template, c, NULL, wl, NULL);
106			control_write(c, "%s", cp);
107			free(cp);
108			}
109			}
110			}
111
112			void
113			control_notify_window_pane_changed(struct window *w)
114			{
115			struct client *c;
116
117			TAILQ_FOREACH(c, &clients, entry) {
118			if (!CONTROL_SHOULD_NOTIFY_CLIENT(c))
119			continue;
120
121			control_write(c, "%%window-pane-changed @%u %%%u", w->id,
122			w->active->id);
123			}
124			}
125
126			void
127			control_notify_window_unlinked(__unused struct session s, struct window w)
128			{
129			struct client *c;
130			struct session *cs;
131
132			TAILQ_FOREACH(c, &clients, entry) {
133			if (!CONTROL_SHOULD_NOTIFY_CLIENT(c) \|\| c->session == NULL)
134			continue;
135			cs = c->session;
136
137			if (winlink_find_by_window_id(&cs->windows, w->id) != NULL)
138			control_write(c, "%%window-close @%u", w->id);
139			else
140			control_write(c, "%%unlinked-window-close @%u", w->id);
141			}
142			}
143
144			void
145			control_notify_window_linked(__unused struct session s, struct window w)
146			{
147			struct client *c;
148			struct session *cs;
149
150			TAILQ_FOREACH(c, &clients, entry) {
151			if (!CONTROL_SHOULD_NOTIFY_CLIENT(c) \|\| c->session == NULL)
152			continue;
153			cs = c->session;
154
155			if (winlink_find_by_window_id(&cs->windows, w->id) != NULL)
156			control_write(c, "%%window-add @%u", w->id);
157			else
158			control_write(c, "%%unlinked-window-add @%u", w->id);
159			}
160			}
161
162			void
163			control_notify_window_renamed(struct window *w)
164			{
165			struct client *c;
166			struct session *cs;
167
168			TAILQ_FOREACH(c, &clients, entry) {
169			if (!CONTROL_SHOULD_NOTIFY_CLIENT(c) \|\| c->session == NULL)
170			continue;
171			cs = c->session;
172
173			if (winlink_find_by_window_id(&cs->windows, w->id) != NULL) {
174			control_write(c, "%%window-renamed @%u %s", w->id,
175			w->name);
176			} else {
177			control_write(c, "%%unlinked-window-renamed @%u %s",
178			w->id, w->name);
179			}
180			}
181			}
182
183			void
184			control_notify_client_session_changed(struct client *cc)
185			{
186			struct client *c;
187			struct session *s;
188
189			if (cc->session == NULL)
190			return;
191			s = cc->session;
192
193			TAILQ_FOREACH(c, &clients, entry) {
194			if (!CONTROL_SHOULD_NOTIFY_CLIENT(c) \|\| c->session == NULL)
195			continue;
196
197			if (cc == c) {
198			control_write(c, "%%session-changed $%u %s", s->id,
199			s->name);
200			} else {
201			control_write(c, "%%client-session-changed %s $%u %s",
202			cc->name, s->id, s->name);
203			}
204			}
205			}
206
207			void
208			control_notify_session_renamed(struct session *s)
209			{
210			struct client *c;
211
212			TAILQ_FOREACH(c, &clients, entry) {
213			if (!CONTROL_SHOULD_NOTIFY_CLIENT(c))
214			continue;
215
216			control_write(c, "%%session-renamed $%u %s", s->id, s->name);
217			}
218			}
219
220			void
221			control_notify_session_created(__unused struct session *s)
222			{
223			struct client *c;
224
225			TAILQ_FOREACH(c, &clients, entry) {
226			if (!CONTROL_SHOULD_NOTIFY_CLIENT(c))
227			continue;
228
229			control_write(c, "%%sessions-changed");
230			}
231			}
232
233			void
234			control_notify_session_closed(__unused struct session *s)
235			{
236			struct client *c;
237
238			TAILQ_FOREACH(c, &clients, entry) {
239			if (!CONTROL_SHOULD_NOTIFY_CLIENT(c))
240			continue;
241
242			control_write(c, "%%sessions-changed");
243			}
244			}
245
246			void
247			control_notify_session_window_changed(struct session *s)
248			{
249			struct client *c;
250
251			TAILQ_FOREACH(c, &clients, entry) {
252			if (!CONTROL_SHOULD_NOTIFY_CLIENT(c))
253			continue;
254
255			control_write(c, "%%session-window-changed $%u @%u", s->id,
256			s->curw->window->id);
257			}
258			}