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 } tdm_server_output_info;
68 typedef struct _tdm_server_vblank_info {
69 struct list_head link;
70 struct list_head valid_link;
72 tdm_server_output_info *output_info;
73 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;
83 } tdm_server_wait_info;
85 static tdm_private_server *keep_private_server;
86 static struct list_head valid_vblank_list;
88 static void destroy_wait(tdm_server_wait_info *wait_info);
91 _tdm_server_find_output(tdm_private_server *private_server, const char *name)
93 tdm_private_loop *private_loop = private_server->private_loop;
94 tdm_output *found = NULL;
96 if (!strncasecmp(name, "primary", 7) || !strncasecmp(name, "default", 7))
97 found = tdm_display_get_output(private_loop->dpy, 0, NULL);
102 tdm_display_get_output_count(private_loop->dpy, &count);
104 for (i = 0; i < count; i++) {
105 tdm_output *output = tdm_display_get_output(private_loop->dpy, i, NULL);
106 tdm_output_conn_status status;
107 const char *model = NULL;
110 ret = tdm_output_get_conn_status(output, &status);
111 if (ret || status == TDM_OUTPUT_CONN_STATUS_DISCONNECTED)
114 ret = tdm_output_get_model_info(output, NULL, &model, NULL);
118 if (strncmp(model, name, TDM_NAME_LEN))
130 _tdm_server_send_done(tdm_server_wait_info *wait_info, tdm_error error,
131 unsigned int sequence, unsigned int tv_sec, unsigned int tv_usec)
133 tdm_server_wait_info *found;
134 tdm_server_vblank_info *vblank_info;
136 if (!keep_private_server)
139 LIST_FIND_ITEM(wait_info, &keep_private_server->wait_list,
140 tdm_server_wait_info, link, found);
142 TDM_DBG("wait_info(%p) is destroyed", wait_info);
146 if (tdm_debug_module & TDM_DEBUG_VBLANK)
147 TDM_INFO("req_id(%d) done", wait_info->req_id);
149 TDM_TRACE_COUNT(ServerDoneVBlank, wait_info->req_id);
151 vblank_info = wait_info->vblank_info;
152 wl_tdm_vblank_send_done(vblank_info->resource, wait_info->req_id,
153 sequence, tv_sec, tv_usec, error);
154 destroy_wait(wait_info);
158 _tdm_server_cb_vblank(tdm_vblank *vblank, tdm_error error, unsigned int sequence,
159 unsigned int tv_sec, unsigned int tv_usec, void *user_data)
161 _tdm_server_send_done((tdm_server_wait_info*)user_data, error, sequence, tv_sec, tv_usec);
165 _tdm_server_cb_output_change(tdm_output *output, tdm_output_change_type type,
166 tdm_value value, void *user_data)
168 tdm_server_output_info *output_info = user_data;
170 TDM_RETURN_IF_FAIL(output_info != NULL);
173 case TDM_OUTPUT_CHANGE_DPMS:
174 wl_tdm_output_send_dpms(output_info->resource, value.u32);
176 case TDM_OUTPUT_CHANGE_CONNECTION:
177 wl_tdm_output_send_connection(output_info->resource, value.u32);
185 destroy_wait(tdm_server_wait_info *wait_info)
187 LIST_DEL(&wait_info->link);
192 destroy_vblank_callback(struct wl_resource *resource)
194 tdm_server_vblank_info *vblank_info = wl_resource_get_user_data(resource);
195 tdm_server_wait_info *w = NULL, *ww = NULL;
197 TDM_RETURN_IF_FAIL(vblank_info != NULL);
199 if (vblank_info->vblank)
200 tdm_vblank_destroy(vblank_info->vblank);
202 LIST_FOR_EACH_ENTRY_SAFE(w, ww, &keep_private_server->wait_list, link) {
203 if (w->vblank_info == vblank_info)
207 LIST_DEL(&vblank_info->link);
208 LIST_DEL(&vblank_info->valid_link);
214 _tdm_server_vblank_cb_destroy(struct wl_client *client, struct wl_resource *resource)
216 wl_resource_destroy(resource);
220 _tdm_server_vblank_cb_set_name(struct wl_client *client, struct wl_resource *resource, const char *name)
222 tdm_server_vblank_info *vblank_info = wl_resource_get_user_data(resource);
224 tdm_vblank_set_name(vblank_info->vblank, name);
228 _tdm_server_vblank_cb_set_fps(struct wl_client *client, struct wl_resource *resource, uint32_t fps)
230 tdm_server_vblank_info *vblank_info = wl_resource_get_user_data(resource);
232 tdm_vblank_set_fps(vblank_info->vblank, fps);
236 _tdm_server_vblank_cb_set_offset(struct wl_client *client, struct wl_resource *resource, int32_t offset)
238 tdm_server_vblank_info *vblank_info = wl_resource_get_user_data(resource);
240 tdm_vblank_set_offset(vblank_info->vblank, offset);
244 _tdm_server_vblank_cb_set_enable_fake(struct wl_client *client, struct wl_resource *resource, uint32_t enable_fake)
246 tdm_server_vblank_info *vblank_info = wl_resource_get_user_data(resource);
248 tdm_vblank_set_enable_fake(vblank_info->vblank, enable_fake);
252 _tdm_server_vblank_cb_wait_vblank(struct wl_client *client, struct wl_resource *resource,
253 uint32_t interval, uint32_t req_id, uint32_t req_sec, uint32_t req_usec)
255 tdm_server_vblank_info *vblank_info = wl_resource_get_user_data(resource);
256 tdm_server_output_info *output_info = vblank_info->output_info;
257 tdm_private_server *private_server = output_info->private_server;
258 tdm_server_wait_info *wait_info;
259 unsigned int enable_fake = 0;
262 TDM_TRACE_COUNT(ServerWaitVBlank, req_id);
264 wait_info = calloc(1, sizeof * wait_info);
266 TDM_ERR("alloc failed");
267 ret = TDM_ERROR_OUT_OF_MEMORY;
271 LIST_ADDTAIL(&wait_info->link, &private_server->wait_list);
272 wait_info->vblank_info = vblank_info;
273 wait_info->req_id = req_id;
275 if (tdm_debug_module & TDM_DEBUG_VBLANK)
276 TDM_INFO("req_id(%d) wait", req_id);
278 ret = tdm_vblank_wait(vblank_info->vblank, req_sec, req_usec, interval, _tdm_server_cb_vblank, wait_info);
280 tdm_vblank_get_enable_fake(vblank_info->vblank, &enable_fake);
281 if (!enable_fake && ret == TDM_ERROR_DPMS_OFF)
284 TDM_GOTO_IF_FAIL(ret == TDM_ERROR_NONE, wait_failed);
288 wl_tdm_vblank_send_done(vblank_info->resource, req_id, 0, 0, 0, ret);
290 destroy_wait(wait_info);
294 _tdm_server_vblank_cb_wait_vblank_seq(struct wl_client *client, struct wl_resource *resource,
295 uint32_t sequence, uint32_t req_id, uint32_t req_sec, uint32_t req_usec)
297 tdm_server_vblank_info *vblank_info = wl_resource_get_user_data(resource);
298 tdm_server_output_info *output_info = vblank_info->output_info;
299 tdm_private_server *private_server = output_info->private_server;
300 tdm_server_wait_info *wait_info;
301 unsigned int enable_fake = 0;
304 TDM_TRACE_COUNT(ServerWaitVBlank, req_id);
306 wait_info = calloc(1, sizeof * wait_info);
308 TDM_ERR("alloc failed");
309 ret = TDM_ERROR_OUT_OF_MEMORY;
313 LIST_ADDTAIL(&wait_info->link, &private_server->wait_list);
314 wait_info->vblank_info = vblank_info;
315 wait_info->req_id = req_id;
317 if (tdm_debug_module & TDM_DEBUG_VBLANK)
318 TDM_INFO("req_id(%d) wait", req_id);
320 ret = tdm_vblank_wait_seq(vblank_info->vblank, req_sec, req_usec, sequence, _tdm_server_cb_vblank, wait_info);
322 tdm_vblank_get_enable_fake(vblank_info->vblank, &enable_fake);
323 if (!enable_fake && ret == TDM_ERROR_DPMS_OFF)
326 TDM_GOTO_IF_FAIL(ret == TDM_ERROR_NONE, wait_failed);
330 wl_tdm_vblank_send_done(vblank_info->resource, req_id, 0, 0, 0, ret);
332 destroy_wait(wait_info);
335 static const struct wl_tdm_vblank_interface tdm_vblank_implementation = {
336 _tdm_server_vblank_cb_destroy,
337 _tdm_server_vblank_cb_set_name,
338 _tdm_server_vblank_cb_set_fps,
339 _tdm_server_vblank_cb_set_offset,
340 _tdm_server_vblank_cb_set_enable_fake,
341 _tdm_server_vblank_cb_wait_vblank,
342 _tdm_server_vblank_cb_wait_vblank_seq,
346 _tdm_server_output_cb_destroy(struct wl_client *client, struct wl_resource *resource)
348 wl_resource_destroy(resource);
352 _tdm_server_output_cb_create_vblank(struct wl_client *client, struct wl_resource *resource, uint32_t id)
354 tdm_server_output_info *output_info = wl_resource_get_user_data(resource);
355 tdm_private_server *private_server = output_info->private_server;
356 tdm_private_loop *private_loop = private_server->private_loop;
357 struct wl_resource *vblank_resource;
359 tdm_server_vblank_info *vblank_info;
362 wl_resource_create(client, &wl_tdm_vblank_interface,
363 wl_resource_get_version(resource), id);
364 if (!vblank_resource) {
365 wl_resource_post_no_memory(resource);
366 TDM_ERR("wl_resource_create failed");
370 vblank = tdm_vblank_create(private_loop->dpy, output_info->output, NULL);
372 wl_resource_post_no_memory(resource);
373 wl_resource_destroy(vblank_resource);
374 TDM_ERR("tdm_vblank_create failed");
378 vblank_info = calloc(1, sizeof * vblank_info);
380 wl_resource_post_no_memory(resource);
381 wl_resource_destroy(vblank_resource);
382 tdm_vblank_destroy(vblank);
383 TDM_ERR("alloc failed");
387 LIST_ADDTAIL(&vblank_info->link, &output_info->vblank_list);
388 LIST_ADDTAIL(&vblank_info->valid_link, &valid_vblank_list);
390 vblank_info->output_info = output_info;
391 vblank_info->resource = vblank_resource;
392 vblank_info->vblank = vblank;
394 wl_resource_set_implementation(vblank_resource, &tdm_vblank_implementation,
395 vblank_info, destroy_vblank_callback);
400 static const struct wl_tdm_output_interface tdm_output_implementation = {
401 _tdm_server_output_cb_destroy,
402 _tdm_server_output_cb_create_vblank,
406 destroy_output_callback(struct wl_resource *resource)
408 tdm_server_output_info *output_info = wl_resource_get_user_data(resource);
409 tdm_server_vblank_info *v = NULL, *vv = NULL;
411 TDM_RETURN_IF_FAIL(output_info != NULL);
413 tdm_output_remove_change_handler(output_info->output,
414 _tdm_server_cb_output_change, output_info);
416 LIST_FOR_EACH_ENTRY_SAFE(v, vv, &output_info->vblank_list, link) {
417 wl_resource_destroy(v->resource);
420 LIST_DEL(&output_info->link);
425 _tdm_server_cb_create_output(struct wl_client *client, struct wl_resource *resource,
426 const char *name, uint32_t id)
428 tdm_private_server *private_server = wl_resource_get_user_data(resource);
429 tdm_server_output_info *output_info;
430 struct wl_resource *output_resource = NULL;
432 const tdm_output_mode *mode = NULL;
433 tdm_output_dpms dpms_value;
434 tdm_output_conn_status status;
436 output = _tdm_server_find_output(private_server, name);
438 TDM_ERR("There is no '%s' output", name);
439 wl_resource_post_error(resource, WL_DISPLAY_ERROR_INVALID_OBJECT,
440 "There is no '%s' output", name);
444 tdm_output_get_mode(output, &mode);
446 TDM_ERR("no mode for '%s' output", name);
447 wl_resource_post_error(resource, WL_DISPLAY_ERROR_INVALID_OBJECT,
448 "no mode for '%s' output", name);
452 tdm_output_get_dpms(output, &dpms_value);
453 tdm_output_get_conn_status(output, &status);
456 wl_resource_create(client, &wl_tdm_output_interface,
457 wl_resource_get_version(resource), id);
458 if (!output_resource) {
459 wl_resource_post_no_memory(resource);
460 TDM_ERR("wl_resource_create failed");
464 output_info = calloc(1, sizeof * output_info);
466 wl_resource_post_no_memory(resource);
467 wl_resource_destroy(output_resource);
468 TDM_ERR("alloc failed");
472 LIST_ADDTAIL(&output_info->link, &private_server->output_list);
473 output_info->private_server = private_server;
474 output_info->resource = output_resource;
475 output_info->output = output;
476 LIST_INITHEAD(&output_info->vblank_list);
478 tdm_output_add_change_handler(output, _tdm_server_cb_output_change, output_info);
480 wl_resource_set_implementation(output_resource, &tdm_output_implementation,
481 output_info, destroy_output_callback);
483 wl_tdm_output_send_mode(output_resource, mode->hdisplay, mode->vdisplay, mode->vrefresh);
484 wl_tdm_output_send_dpms(output_resource, dpms_value);
485 wl_tdm_output_send_connection(output_resource, status);
489 _tdm_server_cb_debug(struct wl_client *client, struct wl_resource *resource, const char *options)
491 tdm_private_server *private_server = wl_resource_get_user_data(resource);
492 tdm_private_loop *private_loop = private_server->private_loop;
493 char message[TDM_SERVER_REPLY_MSG_LEN];
494 int size = sizeof(message);
497 wl_client_get_credentials(client, NULL, &uid, NULL);
500 snprintf(message, size, "tdm-monitor: SHOULD be a superuser.\n");
501 TDM_ERR("%s", message);
503 tdm_monitor_server_command(private_loop->dpy, options, message, &size);
506 wl_tdm_send_debug_done(resource, message);
510 _tdm_server_cb_set_client_vblank_fps(struct wl_client *client, struct wl_resource *resource,
511 unsigned int pid, const char *name, unsigned int fps)
513 tdm_error ret = tdm_server_set_client_vblank_fps(pid, name, fps);
514 TDM_RETURN_IF_FAIL(ret == TDM_ERROR_NONE);
516 TDM_INFO("'%s' vblank fps(PID: '%u'): %u", name, pid, fps);
519 static const struct wl_tdm_interface tdm_implementation = {
520 _tdm_server_cb_debug,
521 _tdm_server_cb_create_output,
522 _tdm_server_cb_set_client_vblank_fps,
526 _tdm_server_bind(struct wl_client *client, void *data,
527 uint32_t version, uint32_t id)
529 struct wl_resource *resource;
531 resource = wl_resource_create(client, &wl_tdm_interface, version, id);
533 wl_client_post_no_memory(client);
537 wl_resource_set_implementation(resource, &tdm_implementation, data, NULL);
541 tdm_server_init(tdm_private_loop *private_loop)
543 tdm_private_server *private_server;
545 TDM_RETURN_VAL_IF_FAIL(private_loop, TDM_ERROR_OPERATION_FAILED);
546 TDM_RETURN_VAL_IF_FAIL(private_loop->wl_display, TDM_ERROR_OPERATION_FAILED);
548 if (private_loop->private_server)
549 return TDM_ERROR_NONE;
551 if (wl_display_add_socket(private_loop->wl_display, "tdm-socket")) {
552 TDM_ERR("createing a tdm-socket failed");
553 return TDM_ERROR_OPERATION_FAILED;
556 private_server = calloc(1, sizeof * private_server);
557 if (!private_server) {
558 TDM_ERR("alloc failed");
559 return TDM_ERROR_OUT_OF_MEMORY;
562 LIST_INITHEAD(&private_server->output_list);
563 LIST_INITHEAD(&private_server->wait_list);
565 if (!wl_global_create(private_loop->wl_display, &wl_tdm_interface, 1,
566 private_server, _tdm_server_bind)) {
567 TDM_ERR("creating a global resource failed");
568 free(private_server);
569 return TDM_ERROR_OUT_OF_MEMORY;
572 LIST_INITHEAD(&valid_vblank_list);
574 private_server->private_loop = private_loop;
575 private_loop->private_server = private_server;
576 keep_private_server = private_server;
578 return TDM_ERROR_NONE;
582 tdm_server_deinit(tdm_private_loop *private_loop)
584 tdm_server_output_info *o = NULL, *oo = NULL;
585 tdm_server_wait_info *w = NULL, *ww = NULL;
586 tdm_private_server *private_server;
588 if (!private_loop->private_server)
591 private_server = private_loop->private_server;
593 LIST_FOR_EACH_ENTRY_SAFE(w, ww, &private_server->wait_list, link) {
597 LIST_FOR_EACH_ENTRY_SAFE(o, oo, &private_server->output_list, link) {
598 wl_resource_destroy(o->resource);
601 free(private_server);
602 private_loop->private_server = NULL;
603 keep_private_server = NULL;
607 tdm_server_set_client_vblank_fps(unsigned int pid, const char *name, unsigned int fps)
609 tdm_server_vblank_info *v;
611 TDM_RETURN_VAL_IF_FAIL(pid > 0, TDM_ERROR_INVALID_PARAMETER);
612 TDM_RETURN_VAL_IF_FAIL(fps > 0, TDM_ERROR_INVALID_PARAMETER);
614 LIST_FOR_EACH_ENTRY(v, &valid_vblank_list, valid_link) {
615 struct wl_client *client = wl_resource_get_client(v->resource);
616 pid_t client_pid = 0;
617 const char *vblank_name = NULL;
622 wl_client_get_credentials(client, &client_pid, NULL, NULL);
624 if (client_pid != pid)
627 if (name && strncmp(name, TDM_VBLANK_DEFAULT_NAME, TDM_NAME_LEN)) {
628 tdm_vblank_get_name(v->vblank, &vblank_name);
629 if (strncmp(vblank_name, name, TDM_NAME_LEN))
633 tdm_vblank_set_fps(v->vblank, fps);
636 return TDM_ERROR_NONE;
640 _tdm_server_get_process_name(pid_t pid, char *name, unsigned int size)
642 char proc[TDM_NAME_LEN], pname[TDM_NAME_LEN];
646 snprintf(proc, TDM_NAME_LEN, "/proc/%d/cmdline", pid);
647 h = fopen(proc, "r");
651 len = fread(pname, sizeof(char), TDM_NAME_LEN, h);
653 char *p = strncpy(pname, "NO NAME", sizeof(pname) - 1);
656 pname[len - 1] = '\0';
658 strncpy(name, pname, size - 1);
659 name[size - 1] = '\0';
665 tdm_server_get_vblank_list_information(tdm_display *dpy, char *reply, int *len)
667 tdm_server_vblank_info *v;
669 TDM_SNPRINTF(reply, len, "[Client Vblank List]\n");
670 TDM_SNPRINTF(reply, len, "---------------------------------------------------------------\n");
671 TDM_SNPRINTF(reply, len, "name fps offset fake process\n");
672 TDM_SNPRINTF(reply, len, "---------------------------------------------------------------\n");
674 LIST_FOR_EACH_ENTRY(v, &valid_vblank_list, valid_link) {
675 struct wl_client *client = wl_resource_get_client(v->resource);
676 const char *vbl_name = NULL;
677 char proc_name[TDM_NAME_LEN];
678 unsigned int fps = 0, fake = 0;
682 tdm_vblank_get_name(v->vblank, &vbl_name);
683 tdm_vblank_get_fps(v->vblank, &fps);
684 tdm_vblank_get_offset(v->vblank, &offset);
685 tdm_vblank_get_enable_fake(v->vblank, &fake);
687 snprintf(proc_name, TDM_NAME_LEN, "Unknown");
689 wl_client_get_credentials(client, &pid, NULL, NULL);
690 _tdm_server_get_process_name(pid, proc_name, TDM_NAME_LEN);
693 TDM_SNPRINTF(reply, len, "%-12s %u %d %u %s (pid: %u)\n",
694 vbl_name, fps, offset, fake, proc_name, pid);
697 TDM_SNPRINTF(reply, len, "\n");