1 /**************************************************************************
5 * Copyright 2015 Samsung Electronics co., Ltd. All Rights Reserved.
7 * Contact: Eunchul Kim <chulspro.kim@samsung.com>,
8 * JinYoung Jeon <jy0.jeon@samsung.com>,
9 * Taeheon Kim <th908.kim@samsung.com>,
10 * YoungJun Cho <yj44.cho@samsung.com>,
11 * SooChan Lim <sc1.lim@samsung.com>,
12 * Boram Park <sc1.lim@samsung.com>
14 * Permission is hereby granted, free of charge, to any person obtaining a
15 * copy of this software and associated documentation files (the
16 * "Software"), to deal in the Software without restriction, including
17 * without limitation the rights to use, copy, modify, merge, publish,
18 * distribute, sub license, and/or sell copies of the Software, and to
19 * permit persons to whom the Software is furnished to do so, subject to
20 * the following conditions:
22 * The above copyright notice and this permission notice (including the
23 * next paragraph) shall be included in all copies or substantial portions
26 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS
27 * OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
28 * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NON-INFRINGEMENT.
29 * IN NO EVENT SHALL PRECISION INSIGHT AND/OR ITS SUPPLIERS BE LIABLE FOR
30 * ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT,
31 * TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE
32 * SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
34 **************************************************************************/
41 #include "tdm_private.h"
43 #include "tdm-server-protocol.h"
46 * - tdm server doesn't care about thread things.
47 * - DO NOT use the TDM internal functions here.
48 * However, the internal function which does lock/unlock the mutex of
49 * private_display in itself can be called.
50 * - DO NOT use the tdm_private_display structure here.
51 * - The callback function things can be called in main thread.
54 struct _tdm_private_server {
55 tdm_private_loop *private_loop;
56 struct list_head output_list;
57 struct list_head wait_list;
60 typedef struct _tdm_server_output_info {
61 struct list_head link;
62 tdm_private_server *private_server;
63 struct wl_resource *resource;
65 struct list_head vblank_list;
66 unsigned int watch_output_changes;
67 } tdm_server_output_info;
69 typedef struct _tdm_server_vblank_info {
70 struct list_head link;
71 tdm_server_output_info *output_info;
72 struct wl_resource *resource;
76 } tdm_server_vblank_info;
78 typedef struct _tdm_server_wait_info {
79 struct list_head link;
80 tdm_server_vblank_info *vblank_info;
84 } tdm_server_wait_info;
86 typedef struct _tdm_server_client_info {
87 struct list_head link;
89 char name[TDM_NAME_LEN];
90 struct wl_resource *resource;
91 tdm_private_server *private_server;
92 } tdm_server_client_info;
94 static tdm_private_server *keep_private_server;
95 static struct list_head client_list;
97 static void destroy_wait(tdm_server_wait_info *wait_info);
100 _tdm_server_get_process_name(pid_t pid, char *name, unsigned int size)
102 char proc[TDM_NAME_LEN], pname[TDM_NAME_LEN];
106 snprintf(name, size, "Unknown");
108 snprintf(proc, TDM_NAME_LEN, "/proc/%d/cmdline", pid);
109 h = fopen(proc, "r");
113 len = fread(pname, sizeof(char), TDM_NAME_LEN, h);
115 char *p = strncpy(pname, "NO NAME", sizeof(pname) - 1);
118 pname[len - 1] = '\0';
120 strncpy(name, pname, size - 1);
121 name[size - 1] = '\0';
127 _tdm_server_find_output(tdm_private_server *private_server, const char *name)
129 tdm_private_loop *private_loop = private_server->private_loop;
130 tdm_output *found = NULL;
132 if (!strncasecmp(name, "primary", 7) || !strncasecmp(name, "default", 7))
133 found = tdm_display_get_output(private_loop->dpy, 0, NULL);
138 tdm_display_get_output_count(private_loop->dpy, &count);
140 for (i = 0; i < count; i++) {
141 tdm_output *output = tdm_display_get_output(private_loop->dpy, i, NULL);
142 tdm_output_conn_status status;
143 const char *model = NULL;
146 ret = tdm_output_get_conn_status(output, &status);
147 if (ret || status == TDM_OUTPUT_CONN_STATUS_DISCONNECTED)
150 ret = tdm_output_get_model_info(output, NULL, &model, NULL);
154 if (strncmp(model, name, TDM_NAME_LEN))
166 _tdm_server_send_done(tdm_server_wait_info *wait_info, tdm_error error,
167 unsigned int sequence, unsigned int tv_sec, unsigned int tv_usec)
169 tdm_server_wait_info *found;
170 tdm_server_vblank_info *vblank_info;
171 tdm_private_output *private_output;
173 if (!keep_private_server)
176 LIST_FIND_ITEM(wait_info, &keep_private_server->wait_list,
177 tdm_server_wait_info, link, found);
179 TDM_DBG("wait_info(%p) is destroyed", wait_info);
183 if (tdm_debug_module & TDM_DEBUG_VBLANK)
184 TDM_DBG("req_id(%d) done", wait_info->req_id);
186 vblank_info = wait_info->vblank_info;
187 wl_tdm_vblank_send_done(vblank_info->resource, wait_info->req_id,
188 sequence, tv_sec, tv_usec, error);
190 private_output = vblank_info->output_info->output;
191 if (private_output->ttrace_vblank_client)
192 TDM_TRACE_ASYNC_END((int)wait_info->req_time, "TDM_Server_Vblank:%u", vblank_info->stamp);
194 destroy_wait(wait_info);
198 _tdm_server_cb_vblank(tdm_vblank *vblank, tdm_error error, unsigned int sequence,
199 unsigned int tv_sec, unsigned int tv_usec, void *user_data)
201 _tdm_server_send_done((tdm_server_wait_info*)user_data, error, sequence, tv_sec, tv_usec);
205 _tdm_server_cb_output_change(tdm_output *output, tdm_output_change_type type,
206 tdm_value value, void *user_data)
208 tdm_server_output_info *output_info = user_data;
209 struct wl_client *client;
212 TDM_RETURN_IF_FAIL(output_info != NULL);
214 client = wl_resource_get_client(output_info->resource);
215 TDM_RETURN_IF_FAIL(client != NULL);
217 wl_client_get_credentials(client, &pid, NULL, NULL);
219 if (!output_info->watch_output_changes) {
220 TDM_DBG("skip sending the output changes: pid(%d)", (unsigned int)pid);
224 TDM_DBG("send the output changes: %d", (unsigned int)pid);
227 case TDM_OUTPUT_CHANGE_DPMS:
228 wl_tdm_output_send_dpms(output_info->resource, value.u32, TDM_ERROR_NONE);
230 case TDM_OUTPUT_CHANGE_CONNECTION:
231 wl_tdm_output_send_connection(output_info->resource, value.u32, TDM_ERROR_NONE);
239 destroy_wait(tdm_server_wait_info *wait_info)
241 LIST_DEL(&wait_info->link);
246 destroy_vblank_callback(struct wl_resource *resource)
248 tdm_server_vblank_info *vblank_info = wl_resource_get_user_data(resource);
249 tdm_server_wait_info *w = NULL, *ww = NULL;
251 TDM_RETURN_IF_FAIL(vblank_info != NULL);
253 LIST_DEL(&vblank_info->link);
255 if (vblank_info->vblank)
256 tdm_vblank_destroy(vblank_info->vblank);
258 LIST_FOR_EACH_ENTRY_SAFE(w, ww, &keep_private_server->wait_list, link) {
259 if (w->vblank_info == vblank_info)
267 _tdm_server_vblank_cb_destroy(struct wl_client *client, struct wl_resource *resource)
269 wl_resource_destroy(resource);
273 _tdm_server_vblank_cb_set_name(struct wl_client *client, struct wl_resource *resource, const char *name)
275 tdm_server_vblank_info *vblank_info = wl_resource_get_user_data(resource);
277 tdm_vblank_set_name(vblank_info->vblank, name);
281 _tdm_server_vblank_cb_set_fps(struct wl_client *client, struct wl_resource *resource, uint32_t fps)
283 tdm_server_vblank_info *vblank_info = wl_resource_get_user_data(resource);
285 tdm_vblank_set_fps(vblank_info->vblank, fps);
289 _tdm_server_vblank_cb_set_offset(struct wl_client *client, struct wl_resource *resource, int32_t offset)
291 tdm_server_vblank_info *vblank_info = wl_resource_get_user_data(resource);
293 tdm_vblank_set_offset(vblank_info->vblank, offset);
297 _tdm_server_vblank_cb_set_enable_fake(struct wl_client *client, struct wl_resource *resource, uint32_t enable_fake)
299 tdm_server_vblank_info *vblank_info = wl_resource_get_user_data(resource);
301 tdm_vblank_set_enable_fake(vblank_info->vblank, enable_fake);
305 _tdm_server_vblank_cb_wait_vblank(struct wl_client *client, struct wl_resource *resource,
306 uint32_t interval, uint32_t req_id, uint32_t req_sec, uint32_t req_usec)
308 tdm_server_vblank_info *vblank_info = wl_resource_get_user_data(resource);
309 tdm_server_output_info *output_info = vblank_info->output_info;
310 tdm_private_server *private_server = output_info->private_server;
311 tdm_private_output *private_output = output_info->output;
312 tdm_server_wait_info *wait_info;
313 unsigned int enable_fake = 0;
316 wait_info = calloc(1, sizeof * wait_info);
318 TDM_ERR("alloc failed");
319 ret = TDM_ERROR_OUT_OF_MEMORY;
323 LIST_ADDTAIL(&wait_info->link, &private_server->wait_list);
324 wait_info->vblank_info = vblank_info;
325 wait_info->req_id = req_id;
326 wait_info->req_time = TDM_TIME(req_sec, req_usec);
328 if (tdm_debug_module & TDM_DEBUG_VBLANK)
329 TDM_DBG("req_id(%d) wait", req_id);
331 private_output = vblank_info->output_info->output;
332 if (private_output->ttrace_vblank_client)
333 TDM_TRACE_ASYNC_BEGIN((int)wait_info->req_time, "TDM_Server_Vblank:%u", vblank_info->stamp);
335 ret = tdm_vblank_wait(vblank_info->vblank, req_sec, req_usec, interval, _tdm_server_cb_vblank, wait_info);
337 tdm_vblank_get_enable_fake(vblank_info->vblank, &enable_fake);
338 if (!enable_fake && ret == TDM_ERROR_DPMS_OFF)
341 TDM_GOTO_IF_FAIL(ret == TDM_ERROR_NONE, wait_failed);
345 wl_tdm_vblank_send_done(vblank_info->resource, req_id, 0, 0, 0, ret);
347 destroy_wait(wait_info);
351 _tdm_server_vblank_cb_wait_vblank_seq(struct wl_client *client, struct wl_resource *resource,
352 uint32_t sequence, uint32_t req_id, uint32_t req_sec, uint32_t req_usec)
354 tdm_server_vblank_info *vblank_info = wl_resource_get_user_data(resource);
355 tdm_server_output_info *output_info = vblank_info->output_info;
356 tdm_private_server *private_server = output_info->private_server;
357 tdm_private_output *private_output = output_info->output;
358 tdm_server_wait_info *wait_info;
359 unsigned int enable_fake = 0;
362 wait_info = calloc(1, sizeof * wait_info);
364 TDM_ERR("alloc failed");
365 ret = TDM_ERROR_OUT_OF_MEMORY;
369 LIST_ADDTAIL(&wait_info->link, &private_server->wait_list);
370 wait_info->vblank_info = vblank_info;
371 wait_info->req_id = req_id;
372 wait_info->req_time = TDM_TIME(req_sec, req_usec);
374 if (tdm_debug_module & TDM_DEBUG_VBLANK)
375 TDM_DBG("req_id(%d) wait", req_id);
377 private_output = vblank_info->output_info->output;
378 if (private_output->ttrace_vblank_client)
379 TDM_TRACE_ASYNC_BEGIN((int)wait_info->req_time, "TDM_Server_Vblank:%u", vblank_info->stamp);
381 ret = tdm_vblank_wait_seq(vblank_info->vblank, req_sec, req_usec, sequence, _tdm_server_cb_vblank, wait_info);
383 tdm_vblank_get_enable_fake(vblank_info->vblank, &enable_fake);
384 if (!enable_fake && ret == TDM_ERROR_DPMS_OFF)
387 TDM_GOTO_IF_FAIL(ret == TDM_ERROR_NONE, wait_failed);
391 wl_tdm_vblank_send_done(vblank_info->resource, req_id, 0, 0, 0, ret);
393 destroy_wait(wait_info);
396 static const struct wl_tdm_vblank_interface tdm_vblank_implementation = {
397 _tdm_server_vblank_cb_destroy,
398 _tdm_server_vblank_cb_set_name,
399 _tdm_server_vblank_cb_set_fps,
400 _tdm_server_vblank_cb_set_offset,
401 _tdm_server_vblank_cb_set_enable_fake,
402 _tdm_server_vblank_cb_wait_vblank,
403 _tdm_server_vblank_cb_wait_vblank_seq,
407 _tdm_server_output_cb_destroy(struct wl_client *client, struct wl_resource *resource)
409 wl_resource_destroy(resource);
413 _tdm_server_output_cb_create_vblank(struct wl_client *client, struct wl_resource *resource, uint32_t id)
415 tdm_server_output_info *output_info = wl_resource_get_user_data(resource);
416 tdm_private_server *private_server = output_info->private_server;
417 tdm_private_loop *private_loop = private_server->private_loop;
418 struct wl_resource *vblank_resource;
420 tdm_server_vblank_info *vblank_info;
423 wl_resource_create(client, &wl_tdm_vblank_interface,
424 wl_resource_get_version(resource), id);
425 if (!vblank_resource) {
426 wl_resource_post_no_memory(resource);
427 TDM_ERR("wl_resource_create failed");
431 vblank = tdm_vblank_create(private_loop->dpy, output_info->output, NULL);
433 wl_resource_post_no_memory(resource);
434 wl_resource_destroy(vblank_resource);
435 TDM_ERR("tdm_vblank_create failed");
439 vblank_info = calloc(1, sizeof * vblank_info);
441 wl_resource_post_no_memory(resource);
442 wl_resource_destroy(vblank_resource);
443 tdm_vblank_destroy(vblank);
444 TDM_ERR("alloc failed");
448 LIST_ADDTAIL(&vblank_info->link, &output_info->vblank_list);
449 vblank_info->output_info = output_info;
450 vblank_info->resource = vblank_resource;
451 vblank_info->vblank = vblank;
452 vblank_info->stamp = (unsigned int)tdm_vblank_get_stamp(vblank);
454 tdm_vblank_set_resource(vblank, vblank_resource);
456 wl_resource_set_implementation(vblank_resource, &tdm_vblank_implementation,
457 vblank_info, destroy_vblank_callback);
459 wl_tdm_vblank_send_stamp(vblank_info->resource, vblank_info->stamp);
465 _tdm_server_output_cb_watch_output_changes(struct wl_client *client, struct wl_resource *resource, unsigned int enable)
467 tdm_server_output_info *output_info = wl_resource_get_user_data(resource);
469 TDM_RETURN_IF_FAIL(output_info != NULL);
471 output_info->watch_output_changes = enable;
475 _tdm_server_output_cb_get_connection(struct wl_client *client, struct wl_resource *resource)
477 tdm_server_output_info *output_info = wl_resource_get_user_data(resource);
478 tdm_output_conn_status status = TDM_OUTPUT_CONN_STATUS_DISCONNECTED;
481 TDM_RETURN_IF_FAIL(output_info != NULL);
483 ret = tdm_output_get_conn_status(output_info->output, &status);
484 TDM_GOTO_IF_FAIL(ret != TDM_ERROR_NONE, failed);
486 wl_tdm_output_send_connection(output_info->resource, status, ret);
491 wl_tdm_output_send_connection(output_info->resource, TDM_OUTPUT_CONN_STATUS_DISCONNECTED, ret);
495 _tdm_server_output_cb_get_mode(struct wl_client *client, struct wl_resource *resource)
497 tdm_server_output_info *output_info = wl_resource_get_user_data(resource);
498 tdm_output_conn_status status = TDM_OUTPUT_CONN_STATUS_DISCONNECTED;
501 TDM_RETURN_IF_FAIL(output_info != NULL);
503 ret = tdm_output_get_conn_status(output_info->output, &status);
504 TDM_GOTO_IF_FAIL(ret != TDM_ERROR_NONE, failed);
506 if (status != TDM_OUTPUT_CONN_STATUS_DISCONNECTED) {
507 const tdm_output_mode *mode = NULL;
508 unsigned int hdisplay, vdisplay, vrefresh;
510 ret = tdm_output_get_mode(output_info->output, &mode);
511 TDM_GOTO_IF_FAIL(ret != TDM_ERROR_NONE, failed);
513 hdisplay = (mode) ? mode->hdisplay : 0;
514 vdisplay = (mode) ? mode->vdisplay : 0;
515 vrefresh = (mode) ? mode->vrefresh : 0;
517 wl_tdm_output_send_mode(output_info->resource, hdisplay, vdisplay, vrefresh, ret);
519 wl_tdm_output_send_mode(output_info->resource, 0, 0, 0, TDM_ERROR_OUTPUT_DISCONNECTED);
524 wl_tdm_output_send_mode(output_info->resource, 0, 0, 0, ret);
528 _tdm_server_output_cb_get_dpms(struct wl_client *client, struct wl_resource *resource)
530 tdm_server_output_info *output_info = wl_resource_get_user_data(resource);
531 tdm_output_conn_status status = TDM_OUTPUT_CONN_STATUS_DISCONNECTED;
534 TDM_RETURN_IF_FAIL(output_info != NULL);
536 ret = tdm_output_get_conn_status(output_info->output, &status);
537 TDM_GOTO_IF_FAIL(ret != TDM_ERROR_NONE, failed);
539 if (status != TDM_OUTPUT_CONN_STATUS_DISCONNECTED) {
540 tdm_output_dpms dpms_value = TDM_OUTPUT_DPMS_OFF;
542 ret = tdm_output_get_dpms(output_info->output, &dpms_value);
543 TDM_GOTO_IF_FAIL(ret != TDM_ERROR_NONE, failed);
545 wl_tdm_output_send_dpms(output_info->resource, dpms_value, ret);
547 wl_tdm_output_send_dpms(output_info->resource, TDM_OUTPUT_DPMS_OFF, TDM_ERROR_OUTPUT_DISCONNECTED);
552 wl_tdm_output_send_dpms(output_info->resource, TDM_OUTPUT_DPMS_OFF, ret);
555 static const struct wl_tdm_output_interface tdm_output_implementation = {
556 _tdm_server_output_cb_destroy,
557 _tdm_server_output_cb_create_vblank,
558 _tdm_server_output_cb_watch_output_changes,
559 _tdm_server_output_cb_get_connection,
560 _tdm_server_output_cb_get_mode,
561 _tdm_server_output_cb_get_dpms,
565 destroy_output_callback(struct wl_resource *resource)
567 tdm_server_output_info *output_info = wl_resource_get_user_data(resource);
568 tdm_server_vblank_info *v = NULL, *vv = NULL;
570 TDM_RETURN_IF_FAIL(output_info != NULL);
572 LIST_DEL(&output_info->link);
574 tdm_output_remove_change_handler(output_info->output,
575 _tdm_server_cb_output_change, output_info);
577 LIST_FOR_EACH_ENTRY_SAFE(v, vv, &output_info->vblank_list, link) {
578 wl_resource_destroy(v->resource);
585 _tdm_server_cb_create_output(struct wl_client *client, struct wl_resource *resource,
586 const char *name, uint32_t id)
588 tdm_private_server *private_server = wl_resource_get_user_data(resource);
589 tdm_server_output_info *output_info;
590 struct wl_resource *output_resource = NULL;
592 tdm_output_conn_status status = TDM_OUTPUT_CONN_STATUS_DISCONNECTED;
595 output = _tdm_server_find_output(private_server, name);
597 TDM_ERR("There is no '%s' output", name);
598 wl_resource_post_error(resource, WL_DISPLAY_ERROR_INVALID_OBJECT,
599 "There is no '%s' output", name);
604 wl_resource_create(client, &wl_tdm_output_interface,
605 wl_resource_get_version(resource), id);
606 if (!output_resource) {
607 wl_resource_post_no_memory(resource);
608 TDM_ERR("wl_resource_create failed");
612 output_info = calloc(1, sizeof * output_info);
614 wl_resource_post_no_memory(resource);
615 wl_resource_destroy(output_resource);
616 TDM_ERR("alloc failed");
620 LIST_ADDTAIL(&output_info->link, &private_server->output_list);
621 output_info->private_server = private_server;
622 output_info->resource = output_resource;
623 output_info->output = output;
624 LIST_INITHEAD(&output_info->vblank_list);
626 tdm_output_add_change_handler(output, _tdm_server_cb_output_change, output_info);
628 wl_resource_set_implementation(output_resource, &tdm_output_implementation,
629 output_info, destroy_output_callback);
631 ret = tdm_output_get_conn_status(output, &status);
632 wl_tdm_output_send_connection(output_resource, status, ret);
634 if (status != TDM_OUTPUT_CONN_STATUS_DISCONNECTED) {
635 tdm_output_dpms dpms_value = TDM_OUTPUT_DPMS_OFF;
636 const tdm_output_mode *mode = NULL;
637 unsigned int hdisplay, vdisplay, vrefresh;
639 ret = tdm_output_get_mode(output, &mode);
640 hdisplay = (mode) ? mode->hdisplay : 0;
641 vdisplay = (mode) ? mode->vdisplay : 0;
642 vrefresh = (mode) ? mode->vrefresh : 0;
643 wl_tdm_output_send_mode(output_resource, hdisplay, vdisplay, vrefresh, ret);
645 ret = tdm_output_get_dpms(output, &dpms_value);
646 wl_tdm_output_send_dpms(output_resource, dpms_value, ret);
648 wl_tdm_output_send_mode(output_resource, 0, 0, 0, TDM_ERROR_OUTPUT_DISCONNECTED);
649 wl_tdm_output_send_dpms(output_resource, TDM_OUTPUT_DPMS_OFF, TDM_ERROR_OUTPUT_DISCONNECTED);
654 _tdm_server_cb_debug(struct wl_client *client, struct wl_resource *resource, const char *options)
656 tdm_private_server *private_server = wl_resource_get_user_data(resource);
657 tdm_private_loop *private_loop = private_server->private_loop;
658 char message[TDM_SERVER_REPLY_MSG_LEN];
660 int len = sizeof(message), size;
663 wl_client_get_credentials(client, NULL, &uid, NULL);
666 snprintf(message, len, "tdm-monitor: SHOULD be a superuser.\n");
667 TDM_ERR("%s", message);
669 tdm_monitor_server_command(private_loop->dpy, options, message, &len);
672 size = sizeof(message) - len;
675 wl_client_flush(client);
678 char buffer[TDM_DEBUG_REPLY_MSG_LEN];
679 int copylen = TDM_MIN(size, sizeof(buffer) - 1);
681 strncpy(buffer, m, copylen);
685 buffer[copylen] = '\0';
687 wl_tdm_send_debug_message(resource, buffer);
690 wl_tdm_send_debug_done(resource);
694 _tdm_server_cb_set_client_vblank_fps(struct wl_client *client, struct wl_resource *resource,
695 unsigned int pid, const char *name, unsigned int fps)
697 tdm_error ret = tdm_vblank_set_client_vblank_fps(pid, name, fps);
698 TDM_RETURN_IF_FAIL(ret == TDM_ERROR_NONE);
700 TDM_INFO("'%s' vblank fps(PID: '%u'): %u", name, pid, fps);
703 static const struct wl_tdm_interface tdm_implementation = {
704 _tdm_server_cb_debug,
705 _tdm_server_cb_create_output,
706 _tdm_server_cb_set_client_vblank_fps,
710 destroy_client(struct wl_resource *resource)
712 tdm_server_client_info *c = NULL, *cc = NULL;
713 struct wl_client *client;
715 client = wl_resource_get_client(resource);
716 TDM_RETURN_IF_FAIL(client != NULL);
718 LIST_FOR_EACH_ENTRY_SAFE(c, cc, &client_list, link) {
719 if (c->resource == resource) {
728 _tdm_server_bind(struct wl_client *client, void *data,
729 uint32_t version, uint32_t id)
731 struct wl_resource *resource;
732 tdm_server_client_info *cinfo;
734 resource = wl_resource_create(client, &wl_tdm_interface, version, id);
736 wl_client_post_no_memory(client);
740 cinfo = calloc(1, sizeof(tdm_server_client_info));
742 wl_client_post_no_memory(client);
743 wl_resource_destroy(resource);
747 cinfo->resource = resource;
748 cinfo->private_server = data;
750 LIST_ADDTAIL(&cinfo->link, &client_list);
751 wl_client_get_credentials(client, &cinfo->pid, NULL, NULL);
752 _tdm_server_get_process_name(cinfo->pid, cinfo->name, TDM_NAME_LEN);
754 wl_resource_set_implementation(resource, &tdm_implementation, data, destroy_client);
758 _tdm_getgrnam_r(const char *name)
760 struct group *grp = NULL;
761 struct group *grp_res = NULL;
767 buf_len = sysconf(_SC_GETGR_R_SIZE_MAX);
771 buf = calloc(1, buf_len * sizeof(char));
773 TDM_ERR("creating buffer failed");
777 grp = calloc(1, sizeof(struct group));
779 TDM_ERR("creating group failed");
783 ret = getgrnam_r(name, grp, buf, buf_len, &grp_res);
785 TDM_ERR("getgrnam_r failed errno:%d(%m)", ret);
789 if (grp_res == NULL) {
790 TDM_ERR("finding name:%s group failed", name);
810 _tdm_socket_init(tdm_private_loop *private_loop)
812 const char *dir = NULL;
813 char socket_path[TDM_NAME_LEN * 2];
818 dir = getenv("XDG_RUNTIME_DIR");
820 TDM_WRN("getting XDG_RUNTIME_DIR failed");
824 strncpy(socket_path, dir, TDM_NAME_LEN - 1);
825 socket_path[TDM_NAME_LEN - 1] = '\0';
827 strncat(socket_path, "/tdm-socket", 11);
828 socket_path[TDM_NAME_LEN + 10] = '\0';
830 ret = chmod(socket_path, 509);
832 TDM_WRN("changing modes of socket file failed:%s (%m)", socket_path);
836 ret = _tdm_getgrnam_r("root");
838 TDM_WRN("getting uid failed");
843 ret = _tdm_getgrnam_r("display");
845 TDM_WRN("getting gid failed");
850 ret = chown(socket_path, uid, gid);
852 TDM_WRN("changing owner of socket file failed:%s (%m)", socket_path);
858 tdm_server_init(tdm_private_loop *private_loop)
860 tdm_private_server *private_server;
862 TDM_RETURN_VAL_IF_FAIL(private_loop, TDM_ERROR_OPERATION_FAILED);
863 TDM_RETURN_VAL_IF_FAIL(private_loop->wl_display, TDM_ERROR_OPERATION_FAILED);
865 if (private_loop->private_server)
866 return TDM_ERROR_NONE;
868 if (wl_display_add_socket(private_loop->wl_display, "tdm-socket")) {
869 TDM_ERR("createing a tdm-socket failed");
870 return TDM_ERROR_OPERATION_FAILED;
873 _tdm_socket_init(private_loop);
875 private_server = calloc(1, sizeof * private_server);
876 if (!private_server) {
877 TDM_ERR("alloc failed");
878 return TDM_ERROR_OUT_OF_MEMORY;
881 LIST_INITHEAD(&private_server->output_list);
882 LIST_INITHEAD(&private_server->wait_list);
884 if (!wl_global_create(private_loop->wl_display, &wl_tdm_interface, 1,
885 private_server, _tdm_server_bind)) {
886 TDM_ERR("creating a global resource failed");
887 free(private_server);
888 return TDM_ERROR_OUT_OF_MEMORY;
891 private_server->private_loop = private_loop;
892 private_loop->private_server = private_server;
893 keep_private_server = private_server;
895 LIST_INITHEAD(&client_list);
897 return TDM_ERROR_NONE;
901 tdm_server_deinit(tdm_private_loop *private_loop)
903 tdm_server_output_info *o = NULL, *oo = NULL;
904 tdm_server_wait_info *w = NULL, *ww = NULL;
905 tdm_server_client_info *c = NULL, *cc = NULL;
906 tdm_private_server *private_server;
908 if (!private_loop->private_server)
911 private_server = private_loop->private_server;
913 LIST_FOR_EACH_ENTRY_SAFE(w, ww, &private_server->wait_list, link) {
917 LIST_FOR_EACH_ENTRY_SAFE(o, oo, &private_server->output_list, link) {
918 wl_resource_destroy(o->resource);
921 LIST_FOR_EACH_ENTRY_SAFE(c, cc, &client_list, link) {
922 wl_resource_destroy(c->resource);
925 free(private_server);
926 private_loop->private_server = NULL;
927 keep_private_server = NULL;
931 tdm_server_get_client_name(pid_t pid)
933 tdm_server_client_info *c = NULL;
935 LIST_FOR_EACH_ENTRY(c, &client_list, link) {
937 return (const char*)c->name;
944 tdm_server_enable_ttrace_vblank(tdm_display *dpy, tdm_output *output, int enable)
946 tdm_server_client_info *cinfo = NULL;
948 LIST_FOR_EACH_ENTRY(cinfo, &client_list, link) {
949 tdm_private_server *private_server = cinfo->private_server;
950 tdm_server_output_info *output_info = NULL;
952 LIST_FOR_EACH_ENTRY(output_info, &private_server->output_list, link) {
953 tdm_server_vblank_info *vblank_info = NULL;
954 tdm_private_output *private_output = output_info->output;
956 if (output && output_info->output != output)
959 private_output->ttrace_vblank_client = enable;
961 LIST_FOR_EACH_ENTRY(vblank_info, &output_info->vblank_list, link) {
962 wl_tdm_vblank_send_ttrace(vblank_info->resource, enable);
967 return TDM_ERROR_NONE;