src/tdm_server.c

   1 /**************************************************************************
   2  *
   3  * libtdm
   4  *
   5  * Copyright 2015 Samsung Electronics co., Ltd. All Rights Reserved.
   6  *
   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 <boram1288.park@samsung.com>
  13  *
  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:
  21  *
  22  * The above copyright notice and this permission notice (including the
  23  * next paragraph) shall be included in all copies or substantial portions
  24  * of the Software.
  25  *
  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.
  33  *
  34 **************************************************************************/
  35
  36 #ifdef HAVE_CONFIG_H
  37 #include "config.h"
  38 #endif
  39
  40 #define WL_HIDE_DEPRECATED
  41
  42 #include <tdm-server-protocol.h>
  43
  44 #include "tdm_private.h"
  45
  46 /* CAUTION:
  47  * - tdm server doesn't care about thread things.
  48  * - DO NOT use the TDM internal functions here.
  49  *     However, the internal function which does lock/unlock the mutex of
  50  *     private_display in itself can be called.
  51  * - DO NOT use the tdm_private_display structure here.
  52  * - The callback function things can be called in main thread.
  53  */
  54
  55 struct _tdm_private_server {
  56         tdm_private_loop *private_loop;
  57         struct list_head output_list;
  58         struct list_head voutput_list;
  59         struct list_head wait_list;
  60 };
  61
  62 typedef struct _tdm_server_output_info {
  63         struct list_head link;
  64         tdm_private_server *private_server;
  65         struct wl_resource *resource;
  66         tdm_output *output;
  67         struct list_head vblank_list;
  68         unsigned int watch_output_changes;
  69 } tdm_server_output_info;
  70
  71 typedef struct _tdm_server_voutput_buffer {
  72         struct list_head link;
  73         struct wl_resource *wl_buffer;
  74         tbm_surface_h buffer;
  75 } tdm_server_voutput_buffer;
  76
  77 typedef struct _tdm_server_voutput_info {
  78         struct list_head link;
  79         tdm_private_server *private_server;
  80         struct wl_resource *resource;
  81         tdm_voutput *voutput;
  82         tdm_output *output;
  83
  84         tdm_output_conn_status status;
  85         struct {
  86                 int count;
  87                 tdm_output_mode *modes;
  88         } available_modes;
  89
  90         unsigned int mmwidth;
  91         unsigned int mmheight;
  92 } tdm_server_voutput_info;
  93
  94 typedef struct _tdm_server_vblank_info {
  95         struct list_head link;
  96         tdm_server_output_info *output_info;
  97         struct wl_resource *resource;
  98
  99         tdm_vblank *vblank;
 100         unsigned int stamp;
 101 } tdm_server_vblank_info;
 102
 103 typedef struct _tdm_server_wait_info {
 104         struct list_head link;
 105         tdm_server_vblank_info *vblank_info;
 106
 107         unsigned int req_id;
 108         double req_time;
 109 } tdm_server_wait_info;
 110
 111 typedef struct _tdm_server_client_info {
 112         struct list_head link;
 113         pid_t pid;
 114         char name[TDM_NAME_LEN];
 115         struct wl_resource *resource;
 116 } tdm_server_client_info;
 117
 118 static tdm_private_server *keep_private_server;
 119 static struct list_head client_list;
 120
 121 static void destroy_wait(tdm_server_wait_info *wait_info);
 122
 123 static void
 124 _tdm_server_get_process_name(pid_t pid, char *name, unsigned int size)
 125 {
 126         char proc[TDM_NAME_LEN], pname[TDM_NAME_LEN];
 127         FILE *h;
 128         size_t len;
 129
 130         snprintf(name, size, "Unknown");
 131
 132         snprintf(proc, TDM_NAME_LEN, "/proc/%d/cmdline", pid);
 133         h = fopen(proc, "r");
 134         if (!h)
 135                 return;
 136
 137         len = fread(pname, sizeof(char), TDM_NAME_LEN, h);
 138         if (len == 0) {
 139                 char *p = strncpy(pname, "NO NAME", sizeof(pname) - 1);
 140                 len = p - pname;
 141         }
 142         pname[len - 1] = '\0';
 143
 144         strncpy(name, pname, size - 1);
 145         name[size - 1] = '\0';
 146
 147         fclose(h);
 148 }
 149
 150 /* LCOV_EXCL_START */
 151 static void
 152 _tdm_server_send_done(tdm_server_wait_info *wait_info, tdm_error error,
 153                                           unsigned int sequence, unsigned int tv_sec, unsigned int tv_usec)
 154 {
 155         tdm_server_wait_info *found;
 156         tdm_server_vblank_info *vblank_info;
 157
 158         TDM_RETURN_IF_FAIL(keep_private_server != NULL);
 159
 160         LIST_FIND_ITEM(wait_info, &keep_private_server->wait_list,
 161                                    tdm_server_wait_info, link, found);
 162         if (!found) {
 163                 TDM_ERR("wait_info(%p) is destroyed", wait_info);
 164                 return;
 165         }
 166
 167         if (tdm_debug_module & TDM_DEBUG_VBLANK)
 168                 TDM_DBG("req_id(%d) done", wait_info->req_id);
 169
 170         vblank_info = wait_info->vblank_info;
 171
 172         if (tdm_ttrace_module & TDM_TTRACE_SERVER_VBLANK)
 173                 TDM_TRACE_ASYNC_END((int)wait_info->req_time, "TDM_Server_Vblank:%u", vblank_info->stamp);
 174
 175         wl_tdm_vblank_send_done(vblank_info->resource, wait_info->req_id,
 176                                                         sequence, tv_sec, tv_usec, error);
 177
 178         destroy_wait(wait_info);
 179 }
 180 /* LCOV_EXCL_STOP */
 181
 182 /* LCOV_EXCL_START */
 183 static void
 184 _tdm_server_cb_vblank(tdm_vblank *vblank, tdm_error error, unsigned int sequence,
 185                                           unsigned int tv_sec, unsigned int tv_usec, void *user_data)
 186 {
 187         _tdm_server_send_done((tdm_server_wait_info*)user_data, error, sequence, tv_sec, tv_usec);
 188 }
 189 /* LCOV_EXCL_STOP */
 190
 191 /* LCOV_EXCL_START */
 192 static void
 193 _tdm_server_cb_output_change(tdm_output *output, tdm_output_change_type type,
 194                                                          tdm_value value, void *user_data)
 195 {
 196         tdm_server_output_info *output_info = user_data;
 197         struct wl_client *client;
 198         pid_t pid = 0;
 199
 200         TDM_RETURN_IF_FAIL(output_info != NULL);
 201
 202         client = wl_resource_get_client(output_info->resource);
 203         TDM_RETURN_IF_FAIL(client != NULL);
 204
 205         wl_client_get_credentials(client, &pid, NULL, NULL);
 206
 207         if (!output_info->watch_output_changes) {
 208                 TDM_DBG("skip sending the output changes: pid(%d)", (unsigned int)pid);
 209                 return;
 210         }
 211
 212         TDM_DBG("send the output changes: %d", (unsigned int)pid);
 213
 214         switch (type) {
 215         case TDM_OUTPUT_CHANGE_DPMS:
 216                 wl_tdm_output_send_dpms(output_info->resource, value.u32, TDM_ERROR_NONE);
 217                 break;
 218         case TDM_OUTPUT_CHANGE_CONNECTION:
 219                 wl_tdm_output_send_connection(output_info->resource, value.u32, TDM_ERROR_NONE);
 220                 break;
 221         default:
 222                 break;
 223         }
 224 }
 225 /* LCOV_EXCL_STOP */
 226
 227 static void
 228 destroy_wait(tdm_server_wait_info *wait_info)
 229 {
 230         LIST_DEL(&wait_info->link);
 231         free(wait_info);
 232 }
 233
 234 static void
 235 destroy_vblank_callback(struct wl_resource *resource)
 236 {
 237         tdm_server_vblank_info *vblank_info = wl_resource_get_user_data(resource);
 238         tdm_server_wait_info *w = NULL, *ww = NULL;
 239
 240         TDM_RETURN_IF_FAIL(vblank_info != NULL);
 241
 242         LIST_DEL(&vblank_info->link);
 243
 244         if (vblank_info->vblank)
 245                 tdm_vblank_destroy(vblank_info->vblank);
 246
 247         LIST_FOR_EACH_ENTRY_SAFE(w, ww, &keep_private_server->wait_list, link) {
 248                 if (w->vblank_info == vblank_info)
 249                         destroy_wait(w);
 250         }
 251
 252         free(vblank_info);
 253 }
 254
 255 /* LCOV_EXCL_START */
 256 static void
 257 _tdm_server_vblank_cb_destroy(struct wl_client *client, struct wl_resource *resource)
 258 {
 259         wl_resource_destroy(resource);
 260 }
 261 /* LCOV_EXCL_STOP */
 262
 263 /* LCOV_EXCL_START */
 264 static void
 265 _tdm_server_vblank_cb_set_name(struct wl_client *client, struct wl_resource *resource, const char *name)
 266 {
 267         tdm_server_vblank_info *vblank_info = wl_resource_get_user_data(resource);
 268         tdm_error ret;
 269
 270         ret = tdm_vblank_set_name(vblank_info->vblank, name);
 271         TDM_RETURN_IF_FAIL(ret == TDM_ERROR_NONE);
 272 }
 273 /* LCOV_EXCL_STOP */
 274
 275 /* LCOV_EXCL_START */
 276 static void
 277 _tdm_server_vblank_cb_set_fps(struct wl_client *client, struct wl_resource *resource, uint32_t fps)
 278 {
 279         tdm_server_vblank_info *vblank_info = wl_resource_get_user_data(resource);
 280         tdm_error ret;
 281
 282         ret = tdm_vblank_set_fps(vblank_info->vblank, fps);
 283         TDM_RETURN_IF_FAIL(ret == TDM_ERROR_NONE);
 284 }
 285 /* LCOV_EXCL_STOP */
 286
 287 /* LCOV_EXCL_START */
 288 static void
 289 _tdm_server_vblank_cb_set_offset(struct wl_client *client, struct wl_resource *resource, int32_t offset)
 290 {
 291         tdm_server_vblank_info *vblank_info = wl_resource_get_user_data(resource);
 292         tdm_error ret;
 293
 294         ret = tdm_vblank_set_offset(vblank_info->vblank, offset);
 295         TDM_RETURN_IF_FAIL(ret == TDM_ERROR_NONE);
 296 }
 297 /* LCOV_EXCL_STOP */
 298
 299 static void
 300 _tdm_server_vblank_cb_set_enable_fake(struct wl_client *client, struct wl_resource *resource, uint32_t enable_fake)
 301 {
 302         tdm_server_vblank_info *vblank_info = wl_resource_get_user_data(resource);
 303         tdm_error ret;
 304
 305         ret = tdm_vblank_set_enable_fake(vblank_info->vblank, enable_fake);
 306         TDM_RETURN_IF_FAIL(ret == TDM_ERROR_NONE);
 307 }
 308
 309 static void
 310 _tdm_server_vblank_cb_wait_vblank(struct wl_client *client, struct wl_resource *resource,
 311                                                                   uint32_t interval, uint32_t req_id, uint32_t req_sec, uint32_t req_usec)
 312 {
 313         tdm_server_vblank_info *vblank_info = wl_resource_get_user_data(resource);
 314         tdm_server_output_info *output_info = vblank_info->output_info;
 315         tdm_private_server *private_server = output_info->private_server;
 316         tdm_server_wait_info *wait_info;
 317         unsigned int enable_fake = 0;
 318         tdm_error ret;
 319
 320         wait_info = calloc(1, sizeof * wait_info);
 321         if (!wait_info) {
 322                 /* LCOV_EXCL_START */
 323
 324                 TDM_ERR("alloc failed");
 325                 ret = TDM_ERROR_OUT_OF_MEMORY;
 326                 goto wait_failed;
 327
 328                 /* LCOV_EXCL_STOP */
 329         }
 330
 331         LIST_ADDTAIL(&wait_info->link, &private_server->wait_list);
 332         wait_info->vblank_info = vblank_info;
 333         wait_info->req_id = req_id;
 334         wait_info->req_time = TDM_TIME(req_sec, req_usec);
 335
 336         if (tdm_debug_module & TDM_DEBUG_VBLANK)
 337                 TDM_DBG("req_id(%d) wait", req_id);
 338
 339         if (tdm_ttrace_module & TDM_TTRACE_SERVER_VBLANK)
 340                 TDM_TRACE_ASYNC_BEGIN((int)wait_info->req_time, "TDM_Server_Vblank:%u", vblank_info->stamp);
 341
 342         ret = tdm_vblank_wait(vblank_info->vblank, req_sec, req_usec, interval, _tdm_server_cb_vblank, wait_info);
 343
 344         tdm_vblank_get_enable_fake(vblank_info->vblank, &enable_fake);
 345         if (!enable_fake && ret == TDM_ERROR_DPMS_OFF)
 346                 goto wait_failed;
 347
 348         TDM_GOTO_IF_FAIL(ret == TDM_ERROR_NONE, wait_failed);
 349
 350         return;
 351 wait_failed:
 352         /* LCOV_EXCL_START */
 353
 354         wl_tdm_vblank_send_done(vblank_info->resource, req_id, 0, 0, 0, ret);
 355         if (wait_info)
 356                 destroy_wait(wait_info);
 357
 358         /* LCOV_EXCL_STOP */
 359 }
 360
 361 static void
 362 _tdm_server_vblank_cb_wait_vblank_seq(struct wl_client *client, struct wl_resource *resource,
 363                                                                           uint32_t sequence, uint32_t req_id, uint32_t req_sec, uint32_t req_usec)
 364 {
 365         tdm_server_vblank_info *vblank_info = wl_resource_get_user_data(resource);
 366         tdm_server_output_info *output_info = vblank_info->output_info;
 367         tdm_private_server *private_server = output_info->private_server;
 368         tdm_server_wait_info *wait_info;
 369         unsigned int enable_fake = 0;
 370         tdm_error ret;
 371
 372         wait_info = calloc(1, sizeof * wait_info);
 373         if (!wait_info) {
 374                 /* LCOV_EXCL_START */
 375
 376                 TDM_ERR("alloc failed");
 377                 ret = TDM_ERROR_OUT_OF_MEMORY;
 378                 goto wait_failed;
 379
 380                 /* LCOV_EXCL_STOP */
 381         }
 382
 383         LIST_ADDTAIL(&wait_info->link, &private_server->wait_list);
 384         wait_info->vblank_info = vblank_info;
 385         wait_info->req_id = req_id;
 386         wait_info->req_time = TDM_TIME(req_sec, req_usec);
 387
 388         if (tdm_debug_module & TDM_DEBUG_VBLANK)
 389                 TDM_DBG("req_id(%d) wait", req_id);
 390
 391         if (tdm_ttrace_module & TDM_TTRACE_SERVER_VBLANK)
 392                 TDM_TRACE_ASYNC_BEGIN((int)wait_info->req_time, "TDM_Server_Vblank:%u", vblank_info->stamp);
 393
 394         ret = tdm_vblank_wait_seq(vblank_info->vblank, req_sec, req_usec, sequence, _tdm_server_cb_vblank, wait_info);
 395
 396         tdm_vblank_get_enable_fake(vblank_info->vblank, &enable_fake);
 397         if (!enable_fake && ret == TDM_ERROR_DPMS_OFF)
 398                 goto wait_failed;
 399
 400         TDM_GOTO_IF_FAIL(ret == TDM_ERROR_NONE, wait_failed);
 401
 402         return;
 403 wait_failed:
 404         /* LCOV_EXCL_START */
 405
 406         wl_tdm_vblank_send_done(vblank_info->resource, req_id, 0, 0, 0, ret);
 407         if (wait_info)
 408                 destroy_wait(wait_info);
 409
 410         /* LCOV_EXCL_STOP */
 411 }
 412
 413 static const struct wl_tdm_vblank_interface tdm_vblank_implementation = {
 414         _tdm_server_vblank_cb_destroy,
 415         _tdm_server_vblank_cb_set_name,
 416         _tdm_server_vblank_cb_set_fps,
 417         _tdm_server_vblank_cb_set_offset,
 418         _tdm_server_vblank_cb_set_enable_fake,
 419         _tdm_server_vblank_cb_wait_vblank,
 420         _tdm_server_vblank_cb_wait_vblank_seq,
 421 };
 422
 423 /* LCOV_EXCL_START */
 424 static void
 425 _tdm_server_output_cb_destroy(struct wl_client *client, struct wl_resource *resource)
 426 {
 427         wl_resource_destroy(resource);
 428 }
 429 /* LCOV_EXCL_STOP */
 430
 431 static void
 432 _tdm_server_output_cb_create_vblank(struct wl_client *client, struct wl_resource *resource, uint32_t id)
 433 {
 434         tdm_server_output_info *output_info = wl_resource_get_user_data(resource);
 435         tdm_private_server *private_server = output_info->private_server;
 436         tdm_private_loop *private_loop = private_server->private_loop;
 437         struct wl_resource *vblank_resource;
 438         tdm_vblank *vblank;
 439         tdm_server_vblank_info *vblank_info;
 440
 441         vblank_resource =
 442                 wl_resource_create(client, &wl_tdm_vblank_interface,
 443                                                    wl_resource_get_version(resource), id);
 444         if (!vblank_resource) {
 445                 /* LCOV_EXCL_START */
 446
 447                 wl_resource_post_no_memory(resource);
 448                 TDM_ERR("wl_resource_create failed");
 449                 return;
 450
 451                 /* LCOV_EXCL_STOP */
 452         }
 453
 454         vblank = tdm_vblank_create(private_loop->dpy, output_info->output, NULL);
 455         if (!vblank) {
 456                 /* LCOV_EXCL_START */
 457
 458                 wl_resource_post_no_memory(resource);
 459                 wl_resource_destroy(vblank_resource);
 460                 TDM_ERR("tdm_vblank_create failed");
 461                 return;
 462
 463                 /* LCOV_EXCL_STOP */
 464         }
 465
 466         vblank_info = calloc(1, sizeof * vblank_info);
 467         if (!vblank_info) {
 468                 /* LCOV_EXCL_START */
 469
 470                 wl_resource_post_no_memory(resource);
 471                 wl_resource_destroy(vblank_resource);
 472                 tdm_vblank_destroy(vblank);
 473                 TDM_ERR("alloc failed");
 474                 return;
 475
 476                 /* LCOV_EXCL_STOP */
 477         }
 478
 479         LIST_ADDTAIL(&vblank_info->link, &output_info->vblank_list);
 480         vblank_info->output_info = output_info;
 481         vblank_info->resource = vblank_resource;
 482         vblank_info->vblank = vblank;
 483         vblank_info->stamp = (unsigned int)tdm_vblank_get_stamp(vblank);
 484
 485         tdm_vblank_set_resource(vblank, vblank_resource);
 486
 487         wl_resource_set_implementation(vblank_resource, &tdm_vblank_implementation,
 488                                                                    vblank_info, destroy_vblank_callback);
 489
 490         wl_tdm_vblank_send_stamp(vblank_info->resource, vblank_info->stamp);
 491
 492         if (tdm_ttrace_module & TDM_TTRACE_CLIENT_VBLANK) {
 493                 tdm_output *output = tdm_display_get_output(private_loop->dpy, tdm_ttrace_output, NULL);
 494                 if (output == output_info->output)
 495                         wl_tdm_vblank_send_ttrace(vblank_info->resource, 1);
 496         }
 497
 498         return;
 499 }
 500
 501 /* LCOV_EXCL_START */
 502 static void
 503 _tdm_server_output_cb_watch_output_changes(struct wl_client *client, struct wl_resource *resource, unsigned int enable)
 504 {
 505         tdm_server_output_info *output_info = wl_resource_get_user_data(resource);
 506
 507         TDM_RETURN_IF_FAIL(output_info != NULL);
 508
 509         output_info->watch_output_changes = enable;
 510 }
 511 /* LCOV_EXCL_STOP */
 512
 513 static void
 514 _tdm_server_output_cb_get_connection(struct wl_client *client, struct wl_resource *resource)
 515 {
 516         tdm_server_output_info *output_info = wl_resource_get_user_data(resource);
 517         tdm_output_conn_status status = TDM_OUTPUT_CONN_STATUS_DISCONNECTED;
 518         tdm_error ret;
 519
 520         TDM_RETURN_IF_FAIL(output_info != NULL);
 521
 522         ret = tdm_output_get_conn_status(output_info->output, &status);
 523         TDM_GOTO_IF_FAIL(ret == TDM_ERROR_NONE, failed);
 524
 525         wl_tdm_output_send_connection(output_info->resource, status, ret);
 526
 527         return;
 528
 529 failed:
 530         wl_tdm_output_send_connection(output_info->resource, TDM_OUTPUT_CONN_STATUS_DISCONNECTED, ret);
 531 }
 532
 533 static void
 534 _tdm_server_output_cb_get_mode(struct wl_client *client, struct wl_resource *resource)
 535 {
 536         tdm_server_output_info *output_info = wl_resource_get_user_data(resource);
 537         tdm_output_conn_status status = TDM_OUTPUT_CONN_STATUS_DISCONNECTED;
 538         tdm_error ret;
 539
 540         TDM_RETURN_IF_FAIL(output_info != NULL);
 541
 542         ret = tdm_output_get_conn_status(output_info->output, &status);
 543         TDM_GOTO_IF_FAIL(ret == TDM_ERROR_NONE, failed);
 544
 545         if (status != TDM_OUTPUT_CONN_STATUS_DISCONNECTED) {
 546                 const tdm_output_mode *mode = NULL;
 547                 unsigned int hdisplay, vdisplay, vrefresh;
 548
 549                 ret = tdm_output_get_mode(output_info->output, &mode);
 550                 TDM_GOTO_IF_FAIL(ret == TDM_ERROR_NONE, failed);
 551
 552                 hdisplay = (mode) ? mode->hdisplay : 0;
 553                 vdisplay = (mode) ? mode->vdisplay : 0;
 554                 vrefresh = (mode) ? mode->vrefresh : 0;
 555
 556                 wl_tdm_output_send_mode(output_info->resource, hdisplay, vdisplay, vrefresh, ret);
 557         } else {
 558                 wl_tdm_output_send_mode(output_info->resource, 0, 0, 0, TDM_ERROR_OUTPUT_DISCONNECTED);
 559         }
 560
 561         return;
 562 failed:
 563         wl_tdm_output_send_mode(output_info->resource, 0, 0, 0, ret);
 564 }
 565
 566 static void
 567 _tdm_server_output_cb_get_dpms(struct wl_client *client, struct wl_resource *resource)
 568 {
 569         tdm_server_output_info *output_info = wl_resource_get_user_data(resource);
 570         tdm_output_conn_status status = TDM_OUTPUT_CONN_STATUS_DISCONNECTED;
 571         tdm_error ret;
 572
 573         TDM_RETURN_IF_FAIL(output_info != NULL);
 574
 575         ret = tdm_output_get_conn_status(output_info->output, &status);
 576         TDM_GOTO_IF_FAIL(ret == TDM_ERROR_NONE, failed);
 577
 578         if (status != TDM_OUTPUT_CONN_STATUS_DISCONNECTED) {
 579                 tdm_output_dpms dpms_value = TDM_OUTPUT_DPMS_OFF;
 580
 581                 ret = tdm_output_get_dpms(output_info->output, &dpms_value);
 582                 TDM_GOTO_IF_FAIL(ret == TDM_ERROR_NONE, failed);
 583
 584                 wl_tdm_output_send_dpms(output_info->resource, dpms_value, ret);
 585         } else {
 586                 wl_tdm_output_send_dpms(output_info->resource, TDM_OUTPUT_DPMS_OFF, TDM_ERROR_OUTPUT_DISCONNECTED);
 587         }
 588
 589         return;
 590 failed:
 591         wl_tdm_output_send_dpms(output_info->resource, TDM_OUTPUT_DPMS_OFF, ret);
 592 }
 593
 594 static const struct wl_tdm_output_interface tdm_output_implementation = {
 595         _tdm_server_output_cb_destroy,
 596         _tdm_server_output_cb_create_vblank,
 597         _tdm_server_output_cb_watch_output_changes,
 598         _tdm_server_output_cb_get_connection,
 599         _tdm_server_output_cb_get_mode,
 600         _tdm_server_output_cb_get_dpms,
 601 };
 602
 603 static void
 604 destroy_output_callback(struct wl_resource *resource)
 605 {
 606         tdm_server_output_info *output_info = wl_resource_get_user_data(resource);
 607         tdm_server_vblank_info *v = NULL, *vv = NULL;
 608
 609         TDM_RETURN_IF_FAIL(output_info != NULL);
 610
 611         LIST_DEL(&output_info->link);
 612
 613         tdm_output_remove_change_handler(output_info->output,
 614                                                                          _tdm_server_cb_output_change, output_info);
 615
 616         LIST_FOR_EACH_ENTRY_SAFE(v, vv, &output_info->vblank_list, link) {
 617                 wl_resource_destroy(v->resource);
 618         }
 619
 620         free(output_info);
 621 }
 622
 623 static void
 624 _tdm_server_cb_create_output(struct wl_client *client, struct wl_resource *resource,
 625                                                          const char *name, uint32_t id)
 626 {
 627         tdm_private_server *private_server = wl_resource_get_user_data(resource);
 628         tdm_server_output_info *output_info;
 629         struct wl_resource *output_resource = NULL;
 630         tdm_output *output;
 631         tdm_output_conn_status status = TDM_OUTPUT_CONN_STATUS_DISCONNECTED;
 632         tdm_error ret;
 633
 634         output = tdm_display_find_output(private_server->private_loop->dpy, name, NULL);
 635         if (!output) {
 636                 /* LCOV_EXCL_START */
 637
 638                 TDM_ERR("There is no '%s' output", name);
 639                 wl_resource_post_error(resource, WL_DISPLAY_ERROR_INVALID_OBJECT,
 640                                                            "There is no '%s' output", name);
 641                 return;
 642
 643                 /* LCOV_EXCL_STOP */
 644         }
 645
 646         output_resource =
 647                 wl_resource_create(client, &wl_tdm_output_interface,
 648                                                    wl_resource_get_version(resource), id);
 649         if (!output_resource) {
 650                 /* LCOV_EXCL_START */
 651
 652                 wl_resource_post_no_memory(resource);
 653                 TDM_ERR("wl_resource_create failed");
 654                 return;
 655
 656                 /* LCOV_EXCL_STOP */
 657         }
 658
 659         output_info = calloc(1, sizeof * output_info);
 660         if (!output_info) {
 661                 /* LCOV_EXCL_START */
 662
 663                 wl_resource_post_no_memory(resource);
 664                 wl_resource_destroy(output_resource);
 665                 TDM_ERR("alloc failed");
 666                 return;
 667
 668                 /* LCOV_EXCL_STOP */
 669         }
 670
 671         ret = tdm_output_add_change_handler(output, _tdm_server_cb_output_change, output_info);
 672         if (ret != TDM_ERROR_NONE) {
 673                 wl_resource_post_no_memory(resource);
 674                 wl_resource_destroy(output_resource);
 675                 free(output_info);
 676                 TDM_ERR("tdm_output_add_change_handler failed");
 677                 return;
 678         }
 679
 680         LIST_ADDTAIL(&output_info->link, &private_server->output_list);
 681         output_info->private_server = private_server;
 682         output_info->resource = output_resource;
 683         output_info->output = output;
 684         LIST_INITHEAD(&output_info->vblank_list);
 685
 686         wl_resource_set_implementation(output_resource, &tdm_output_implementation,
 687                                                                    output_info, destroy_output_callback);
 688
 689         ret = tdm_output_get_conn_status(output, &status);
 690         wl_tdm_output_send_connection(output_resource, status, ret);
 691
 692         if (status != TDM_OUTPUT_CONN_STATUS_DISCONNECTED) {
 693                 tdm_output_dpms dpms_value = TDM_OUTPUT_DPMS_OFF;
 694                 const tdm_output_mode *mode = NULL;
 695                 unsigned int hdisplay, vdisplay, vrefresh;
 696
 697                 ret = tdm_output_get_mode(output, &mode);
 698                 hdisplay = (mode) ? mode->hdisplay : 0;
 699                 vdisplay = (mode) ? mode->vdisplay : 0;
 700                 vrefresh = (mode) ? mode->vrefresh : 0;
 701                 wl_tdm_output_send_mode(output_resource, hdisplay, vdisplay, vrefresh, ret);
 702
 703                 ret = tdm_output_get_dpms(output, &dpms_value);
 704                 wl_tdm_output_send_dpms(output_resource, dpms_value, ret);
 705         } else {
 706                 wl_tdm_output_send_mode(output_resource, 0, 0, 0, TDM_ERROR_OUTPUT_DISCONNECTED);
 707                 wl_tdm_output_send_dpms(output_resource, TDM_OUTPUT_DPMS_OFF, TDM_ERROR_OUTPUT_DISCONNECTED);
 708         }
 709 }
 710
 711 static void _tdm_voutput_cb_destroy(struct wl_client *client, struct wl_resource *resource)
 712 {
 713         wl_resource_destroy(resource);
 714 }
 715
 716 static void
 717 _tdm_voutput_cb_set_available_modes(struct wl_client *client,
 718                                                                         struct wl_resource *resource,
 719                                                                         struct wl_array *modes)
 720 {
 721         /* TODO */
 722 }
 723
 724 static void
 725 _tdm_voutput_cb_set_physical_size(struct wl_client *client, struct wl_resource *resource,
 726                                                                   unsigned int mmwidth, unsigned int mmheight)
 727 {
 728         /* TODO */
 729 }
 730
 731 static void
 732 _tdm_voutput_cb_set_mode(struct wl_client *client, struct wl_resource *resource, unsigned int index)
 733 {
 734         /* TODO */
 735 }
 736
 737 static void
 738 _tdm_voutput_cb_connect(struct wl_client *client, struct wl_resource *resource)
 739 {
 740         /* TODO */
 741 }
 742
 743 static void
 744 _tdm_voutput_cb_disconnect(struct wl_client *client, struct wl_resource *resource)
 745 {
 746         /* TODO */
 747 }
 748
 749 static void
 750 _tdm_voutput_cb_commit_done(struct wl_client *client, struct wl_resource *resource)
 751 {
 752         /* TODO */
 753 }
 754
 755 static const struct wl_tdm_voutput_interface tdm_voutput_implementation = {
 756         _tdm_voutput_cb_destroy,
 757         _tdm_voutput_cb_set_available_modes,
 758         _tdm_voutput_cb_set_physical_size,
 759         _tdm_voutput_cb_set_mode,
 760         _tdm_voutput_cb_connect,
 761         _tdm_voutput_cb_disconnect,
 762         _tdm_voutput_cb_commit_done
 763 };
 764
 765 void
 766 tdm_voutput_cb_resource_destroy(struct wl_resource *resource)
 767 {
 768         tdm_server_voutput_info *voutput_info = wl_resource_get_user_data(resource);
 769         tdm_voutput *voutput;
 770         tdm_error ret = TDM_ERROR_NONE;
 771
 772         TDM_RETURN_IF_FAIL(voutput_info != NULL);
 773
 774         voutput = voutput_info->voutput;
 775
 776         if (voutput)
 777                 ret = tdm_voutput_destroy(voutput);
 778         if (ret != TDM_ERROR_NONE)
 779                 TDM_ERR("_tdm_voutput_cb_destroy fail");
 780
 781         LIST_DEL(&voutput_info->link);
 782
 783         /* Do free your own resource */
 784         free(voutput_info);
 785 }
 786
 787 static void
 788 _tdm_server_cb_create_virtual_output(struct wl_client *client, struct wl_resource *resource, const char *name, uint32_t id)
 789 {
 790         struct wl_resource *voutput_resource = NULL;
 791         tdm_private_server *private_server = wl_resource_get_user_data(resource);
 792         tdm_server_voutput_info *voutput_info;
 793         tdm_voutput *voutput;
 794         tdm_output *output;
 795         tdm_error ret;
 796
 797         output = tdm_display_find_output(private_server->private_loop->dpy, name, NULL);
 798         if (output) {
 799                 TDM_ERR("There is '%s' output, cannot create.", name);
 800                 wl_resource_post_error(resource, WL_DISPLAY_ERROR_INVALID_OBJECT,
 801                                                            "There is '%s' output", name);
 802                 return;
 803         }
 804
 805         voutput = tdm_voutput_create(private_server->private_loop->dpy, name, &ret);
 806         if (!voutput) {
 807                 TDM_ERR("voutput creation fail(%s)(%d).", name, ret);
 808                 wl_resource_post_error(resource, WL_DISPLAY_ERROR_NO_MEMORY,
 809                                                            "%s output creation fail", name);
 810                 return;
 811         }
 812
 813         output = tdm_display_find_output(private_server->private_loop->dpy, name, NULL);
 814         if (!output) {
 815                 TDM_ERR("There is no '%s' output.", name);
 816                 wl_resource_post_error(resource, WL_DISPLAY_ERROR_INVALID_OBJECT,
 817                                                            "There is '%s' output", name);
 818                 return;
 819         }
 820
 821         voutput_resource =
 822                 wl_resource_create(client, &wl_tdm_voutput_interface,
 823                                                    wl_resource_get_version(resource), id);
 824         if (!voutput_resource) {
 825                 /* LCOV_EXCL_START */
 826
 827                 wl_resource_post_no_memory(resource);
 828                 TDM_ERR("wl_resource_create failed");
 829                 return;
 830
 831                 /* LCOV_EXCL_STOP */
 832         }
 833
 834         voutput_info = calloc(1, sizeof * voutput_info);
 835         if (!voutput_info) {
 836                 /* LCOV_EXCL_START */
 837
 838                 wl_resource_post_no_memory(resource);
 839                 wl_resource_destroy(voutput_resource);
 840                 TDM_ERR("alloc failed");
 841                 return;
 842
 843                 /* LCOV_EXCL_STOP */
 844         }
 845
 846         LIST_ADDTAIL(&voutput_info->link, &private_server->voutput_list);
 847         voutput_info->private_server = private_server;
 848         voutput_info->resource = voutput_resource;
 849         voutput_info->voutput = voutput;
 850         voutput_info->output = output;
 851
 852         wl_resource_set_implementation(voutput_resource,
 853                                                                    &tdm_voutput_implementation,
 854                                                                    voutput_info,
 855                                                                    tdm_voutput_cb_resource_destroy);
 856
 857         wl_tdm_voutput_send_ack_message(voutput_resource, WL_TDM_VOUTPUT_MESSAGE_ADDED);
 858 }
 859
 860 /* LCOV_EXCL_START */
 861 static void
 862 _tdm_server_cb_debug(struct wl_client *client, struct wl_resource *resource, const char *options)
 863 {
 864         tdm_private_server *private_server = wl_resource_get_user_data(resource);
 865         tdm_private_loop *private_loop = private_server->private_loop;
 866         char message[TDM_SERVER_REPLY_MSG_LEN];
 867         char *m;
 868         int len = sizeof(message), size;
 869         uid_t uid;
 870
 871         wl_client_get_credentials(client, NULL, &uid, NULL);
 872
 873         if (uid != 0) {
 874                 snprintf(message, len, "tdm-monitor: SHOULD be a superuser.\n");
 875                 TDM_ERR("%s", message);
 876         } else {
 877                 tdm_monitor_server_command(private_loop->dpy, options, message, &len);
 878         }
 879
 880         size = sizeof(message) - len;
 881         m = message;
 882
 883         wl_client_flush(client);
 884
 885         while (size > 0) {
 886                 char buffer[TDM_DEBUG_REPLY_MSG_LEN];
 887                 int copylen = TDM_MIN(size, sizeof(buffer) - 1);
 888
 889                 strncpy(buffer, m, copylen);
 890                 m += copylen;
 891                 size -= copylen;
 892
 893                 buffer[copylen] = '\0';
 894
 895                 wl_tdm_send_debug_message(resource, buffer);
 896         }
 897
 898         wl_tdm_send_debug_done(resource);
 899 }
 900 /* LCOV_EXCL_STOP */
 901
 902 static const struct wl_tdm_interface tdm_implementation = {
 903         _tdm_server_cb_debug,
 904         _tdm_server_cb_create_output,
 905         _tdm_server_cb_create_virtual_output
 906 };
 907
 908 static void
 909 destroy_client(struct wl_resource *resource)
 910 {
 911         tdm_server_client_info *c = NULL, *cc = NULL;
 912         struct wl_client *client;
 913
 914         client = wl_resource_get_client(resource);
 915         TDM_RETURN_IF_FAIL(client != NULL);
 916
 917         LIST_FOR_EACH_ENTRY_SAFE(c, cc, &client_list, link) {
 918                 if (c->resource == resource) {
 919                         LIST_DEL(&c->link);
 920                         free(c);
 921                         return;
 922                 }
 923         }
 924 }
 925
 926 static void
 927 _tdm_server_bind(struct wl_client *client, void *data,
 928                                  uint32_t version, uint32_t id)
 929 {
 930         struct wl_resource *resource;
 931         tdm_server_client_info *cinfo;
 932
 933         resource = wl_resource_create(client, &wl_tdm_interface, version, id);
 934         if (!resource) {
 935                 /* LCOV_EXCL_START */
 936
 937                 wl_client_post_no_memory(client);
 938                 return;
 939
 940                 /* LCOV_EXCL_STOP */
 941         }
 942
 943         cinfo = calloc(1, sizeof(tdm_server_client_info));
 944         if (!cinfo) {
 945                 /* LCOV_EXCL_START */
 946
 947                 wl_client_post_no_memory(client);
 948                 wl_resource_destroy(resource);
 949                 return;
 950
 951                 /* LCOV_EXCL_STOP */
 952         }
 953
 954         cinfo->resource = resource;
 955
 956         LIST_ADDTAIL(&cinfo->link, &client_list);
 957         wl_client_get_credentials(client, &cinfo->pid, NULL, NULL);
 958         _tdm_server_get_process_name(cinfo->pid, cinfo->name, TDM_NAME_LEN);
 959
 960         wl_resource_set_implementation(resource, &tdm_implementation, data, destroy_client);
 961 }
 962
 963 INTERN tdm_error
 964 tdm_server_init(tdm_private_loop *private_loop)
 965 {
 966         tdm_private_server *private_server;
 967
 968         TDM_RETURN_VAL_IF_FAIL(private_loop, TDM_ERROR_OPERATION_FAILED);
 969         TDM_RETURN_VAL_IF_FAIL(private_loop->wl_display, TDM_ERROR_OPERATION_FAILED);
 970
 971         if (private_loop->private_server)
 972                 return TDM_ERROR_NONE;
 973
 974         if (wl_display_add_socket(private_loop->wl_display, "tdm-socket")) {
 975                 /* LCOV_EXCL_START */
 976
 977                 TDM_ERR("createing a tdm-socket failed");
 978                 return TDM_ERROR_OPERATION_FAILED;
 979
 980                 /* LCOV_EXCL_STOP */
 981         }
 982
 983         private_server = calloc(1, sizeof * private_server);
 984         if (!private_server) {
 985                 TDM_ERR("alloc failed");
 986                 return TDM_ERROR_OUT_OF_MEMORY;
 987         }
 988
 989         LIST_INITHEAD(&private_server->output_list);
 990         LIST_INITHEAD(&private_server->voutput_list);
 991         LIST_INITHEAD(&private_server->wait_list);
 992
 993         if (!wl_global_create(private_loop->wl_display, &wl_tdm_interface, 1,
 994                                                   private_server, _tdm_server_bind)) {
 995                 /* LCOV_EXCL_START */
 996
 997                 TDM_ERR("creating a global resource failed");
 998                 free(private_server);
 999                 return TDM_ERROR_OUT_OF_MEMORY;
1000
1001                 /* LCOV_EXCL_STOP */
1002         }
1003
1004         private_server->private_loop = private_loop;
1005         private_loop->private_server = private_server;
1006         keep_private_server = private_server;
1007
1008         LIST_INITHEAD(&client_list);
1009
1010         return TDM_ERROR_NONE;
1011 }
1012
1013 INTERN void
1014 tdm_server_deinit(tdm_private_loop *private_loop)
1015 {
1016         tdm_server_output_info *o = NULL, *oo = NULL;
1017         tdm_server_voutput_info *vo = NULL, *voo = NULL;
1018         tdm_server_wait_info *w = NULL, *ww = NULL;
1019         tdm_server_client_info *c = NULL, *cc = NULL;
1020         tdm_private_server *private_server;
1021
1022         if (!private_loop->private_server)
1023                 return;
1024
1025         private_server = private_loop->private_server;
1026
1027         LIST_FOR_EACH_ENTRY_SAFE(w, ww, &private_server->wait_list, link) {
1028                 destroy_wait(w);
1029         }
1030
1031         LIST_FOR_EACH_ENTRY_SAFE(o, oo, &private_server->output_list, link) {
1032                 wl_resource_destroy(o->resource);
1033         }
1034
1035         LIST_FOR_EACH_ENTRY_SAFE(vo, voo, &private_server->voutput_list, link) {
1036                 wl_resource_destroy(vo->resource);
1037         }
1038
1039         LIST_FOR_EACH_ENTRY_SAFE(c, cc, &client_list, link) {
1040                 wl_resource_destroy(c->resource);
1041         }
1042
1043         free(private_server);
1044         private_loop->private_server = NULL;
1045         keep_private_server = NULL;
1046 }
1047
1048 /* LCOV_EXCL_START */
1049 INTERN const char*
1050 tdm_server_get_client_name(pid_t pid)
1051 {
1052         tdm_server_client_info *c = NULL;
1053
1054         LIST_FOR_EACH_ENTRY(c, &client_list, link) {
1055                 if (c->pid == pid)
1056                         return (const char*)c->name;
1057         }
1058
1059         return NULL;
1060 }
1061 /* LCOV_EXCL_STOP */
1062
1063 /* LCOV_EXCL_START */
1064 INTERN tdm_error
1065 tdm_server_enable_ttrace_client_vblank(tdm_display *dpy, tdm_output *output, int enable)
1066 {
1067         tdm_private_server *private_server = keep_private_server;
1068         tdm_server_output_info *output_info = NULL;
1069
1070         if (!keep_private_server)
1071                 return TDM_ERROR_NONE;
1072
1073         LIST_FOR_EACH_ENTRY(output_info, &private_server->output_list, link) {
1074                 tdm_server_vblank_info *vblank_info = NULL;
1075
1076                 if (output && output_info->output != output)
1077                         continue;
1078
1079                 LIST_FOR_EACH_ENTRY(vblank_info, &output_info->vblank_list, link) {
1080                         wl_tdm_vblank_send_ttrace(vblank_info->resource, enable);
1081                 }
1082         }
1083
1084         return TDM_ERROR_NONE;
1085 }
1086 /* LCOV_EXCL_STOP */