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 #include <tdm-server-protocol.h>
  41
  42 #include "tdm_private.h"
  43
  44 /* CAUTION:
  45  * - tdm server doesn't care about thread things.
  46  * - DO NOT use the TDM internal functions here.
  47  *     However, the internal function which does lock/unlock the mutex of
  48  *     private_display in itself can be called.
  49  * - DO NOT use the tdm_private_display structure here.
  50  * - The callback function things can be called in main thread.
  51  */
  52
  53 struct _tdm_private_server {
  54         tdm_private_loop *private_loop;
  55         struct list_head output_list;
  56         struct list_head voutput_list;
  57         struct list_head wait_list;
  58 };
  59
  60 typedef struct _tdm_server_output_info {
  61         struct list_head link;
  62         tdm_private_server *private_server;
  63         struct wl_resource *resource;
  64         tdm_output *output;
  65         struct list_head vblank_list;
  66         unsigned int watch_output_changes;
  67 } tdm_server_output_info;
  68
  69 typedef struct _tdm_server_voutput_info {
  70         struct list_head link;
  71         tdm_private_server *private_server;
  72         struct wl_resource *resource;
  73         tdm_output *output;
  74         struct list_head output_list;
  75
  76         tdm_output_conn_status status;
  77         struct
  78         {
  79                 int count;
  80                 tdm_output_mode *modes;
  81         } available_modes;
  82         struct
  83         {
  84                 int count;
  85                 tbm_format *formats;
  86         } available_formats;
  87
  88         unsigned int mmwidth;
  89         unsigned int mmheight;
  90 } tdm_server_voutput_info;
  91
  92 typedef struct _tdm_server_vblank_info {
  93         struct list_head link;
  94         tdm_server_output_info *output_info;
  95         struct wl_resource *resource;
  96
  97         tdm_vblank *vblank;
  98         unsigned int stamp;
  99 } tdm_server_vblank_info;
 100
 101 typedef struct _tdm_server_wait_info {
 102         struct list_head link;
 103         tdm_server_vblank_info *vblank_info;
 104
 105         unsigned int req_id;
 106         double req_time;
 107 } tdm_server_wait_info;
 108
 109 typedef struct _tdm_server_client_info {
 110         struct list_head link;
 111         pid_t pid;
 112         char name[TDM_NAME_LEN];
 113         struct wl_resource *resource;
 114 } tdm_server_client_info;
 115
 116 static tdm_private_server *keep_private_server;
 117 static struct list_head client_list;
 118
 119 static void destroy_wait(tdm_server_wait_info *wait_info);
 120
 121 static void
 122 _tdm_server_get_process_name(pid_t pid, char *name, unsigned int size)
 123 {
 124         char proc[TDM_NAME_LEN], pname[TDM_NAME_LEN];
 125         FILE *h;
 126         size_t len;
 127
 128         snprintf(name, size, "Unknown");
 129
 130         snprintf(proc, TDM_NAME_LEN, "/proc/%d/cmdline", pid);
 131         h = fopen(proc, "r");
 132         if (!h)
 133                 return;
 134
 135         len = fread(pname, sizeof(char), TDM_NAME_LEN, h);
 136         if (len == 0) {
 137                 char *p = strncpy(pname, "NO NAME", sizeof(pname) - 1);
 138                 len = p - pname;
 139         }
 140         pname[len - 1] = '\0';
 141
 142         strncpy(name, pname, size - 1);
 143         name[size - 1] = '\0';
 144
 145         fclose(h);
 146 }
 147
 148 /* LCOV_EXCL_START */
 149 static void
 150 _tdm_server_send_done(tdm_server_wait_info *wait_info, tdm_error error,
 151                                           unsigned int sequence, unsigned int tv_sec, unsigned int tv_usec)
 152 {
 153         tdm_server_wait_info *found;
 154         tdm_server_vblank_info *vblank_info;
 155
 156         TDM_RETURN_IF_FAIL(keep_private_server != NULL);
 157
 158         LIST_FIND_ITEM(wait_info, &keep_private_server->wait_list,
 159                                    tdm_server_wait_info, link, found);
 160         if (!found) {
 161                 TDM_ERR("wait_info(%p) is destroyed", wait_info);
 162                 return;
 163         }
 164
 165         if (tdm_debug_module & TDM_DEBUG_VBLANK)
 166                 TDM_DBG("req_id(%d) done", wait_info->req_id);
 167
 168         vblank_info = wait_info->vblank_info;
 169
 170         if (tdm_ttrace_module & TDM_TTRACE_SERVER_VBLANK)
 171                 TDM_TRACE_ASYNC_END((int)wait_info->req_time, "TDM_Server_Vblank:%u", vblank_info->stamp);
 172
 173         wl_tdm_vblank_send_done(vblank_info->resource, wait_info->req_id,
 174                                                         sequence, tv_sec, tv_usec, error);
 175
 176         destroy_wait(wait_info);
 177 }
 178 /* LCOV_EXCL_STOP */
 179
 180 /* LCOV_EXCL_START */
 181 static void
 182 _tdm_server_cb_vblank(tdm_vblank *vblank, tdm_error error, unsigned int sequence,
 183                                           unsigned int tv_sec, unsigned int tv_usec, void *user_data)
 184 {
 185         _tdm_server_send_done((tdm_server_wait_info*)user_data, error, sequence, tv_sec, tv_usec);
 186 }
 187 /* LCOV_EXCL_STOP */
 188
 189 /* LCOV_EXCL_START */
 190 static void
 191 _tdm_server_cb_output_change(tdm_output *output, tdm_output_change_type type,
 192                                                          tdm_value value, void *user_data)
 193 {
 194         tdm_server_output_info *output_info = user_data;
 195         struct wl_client *client;
 196         pid_t pid = 0;
 197
 198         TDM_RETURN_IF_FAIL(output_info != NULL);
 199
 200         client = wl_resource_get_client(output_info->resource);
 201         TDM_RETURN_IF_FAIL(client != NULL);
 202
 203         wl_client_get_credentials(client, &pid, NULL, NULL);
 204
 205         if (!output_info->watch_output_changes) {
 206                 TDM_DBG("skip sending the output changes: pid(%d)", (unsigned int)pid);
 207                 return;
 208         }
 209
 210         TDM_DBG("send the output changes: %d", (unsigned int)pid);
 211
 212         switch (type) {
 213         case TDM_OUTPUT_CHANGE_DPMS:
 214                 wl_tdm_output_send_dpms(output_info->resource, value.u32, TDM_ERROR_NONE);
 215                 break;
 216         case TDM_OUTPUT_CHANGE_CONNECTION:
 217                 wl_tdm_output_send_connection(output_info->resource, value.u32, TDM_ERROR_NONE);
 218                 break;
 219         default:
 220                 break;
 221         }
 222 }
 223 /* LCOV_EXCL_STOP */
 224
 225 static void
 226 destroy_wait(tdm_server_wait_info *wait_info)
 227 {
 228         LIST_DEL(&wait_info->link);
 229         free(wait_info);
 230 }
 231
 232 static void
 233 destroy_vblank_callback(struct wl_resource *resource)
 234 {
 235         tdm_server_vblank_info *vblank_info = wl_resource_get_user_data(resource);
 236         tdm_server_wait_info *w = NULL, *ww = NULL;
 237
 238         TDM_RETURN_IF_FAIL(vblank_info != NULL);
 239
 240         LIST_DEL(&vblank_info->link);
 241
 242         if (vblank_info->vblank)
 243                 tdm_vblank_destroy(vblank_info->vblank);
 244
 245         LIST_FOR_EACH_ENTRY_SAFE(w, ww, &keep_private_server->wait_list, link) {
 246                 if (w->vblank_info == vblank_info)
 247                         destroy_wait(w);
 248         }
 249
 250         free(vblank_info);
 251 }
 252
 253 /* LCOV_EXCL_START */
 254 static void
 255 _tdm_server_vblank_cb_destroy(struct wl_client *client, struct wl_resource *resource)
 256 {
 257         wl_resource_destroy(resource);
 258 }
 259 /* LCOV_EXCL_STOP */
 260
 261 /* LCOV_EXCL_START */
 262 static void
 263 _tdm_server_vblank_cb_set_name(struct wl_client *client, struct wl_resource *resource, const char *name)
 264 {
 265         tdm_server_vblank_info *vblank_info = wl_resource_get_user_data(resource);
 266         tdm_error ret;
 267
 268         ret = tdm_vblank_set_name(vblank_info->vblank, name);
 269         TDM_RETURN_IF_FAIL(ret == TDM_ERROR_NONE);
 270 }
 271 /* LCOV_EXCL_STOP */
 272
 273 /* LCOV_EXCL_START */
 274 static void
 275 _tdm_server_vblank_cb_set_fps(struct wl_client *client, struct wl_resource *resource, uint32_t fps)
 276 {
 277         tdm_server_vblank_info *vblank_info = wl_resource_get_user_data(resource);
 278         tdm_error ret;
 279
 280         ret = tdm_vblank_set_fps(vblank_info->vblank, fps);
 281         TDM_RETURN_IF_FAIL(ret == TDM_ERROR_NONE);
 282 }
 283 /* LCOV_EXCL_STOP */
 284
 285 /* LCOV_EXCL_START */
 286 static void
 287 _tdm_server_vblank_cb_set_offset(struct wl_client *client, struct wl_resource *resource, int32_t offset)
 288 {
 289         tdm_server_vblank_info *vblank_info = wl_resource_get_user_data(resource);
 290         tdm_error ret;
 291
 292         ret = tdm_vblank_set_offset(vblank_info->vblank, offset);
 293         TDM_RETURN_IF_FAIL(ret == TDM_ERROR_NONE);
 294 }
 295 /* LCOV_EXCL_STOP */
 296
 297 static void
 298 _tdm_server_vblank_cb_set_enable_fake(struct wl_client *client, struct wl_resource *resource, uint32_t enable_fake)
 299 {
 300         tdm_server_vblank_info *vblank_info = wl_resource_get_user_data(resource);
 301         tdm_error ret;
 302
 303         ret = tdm_vblank_set_enable_fake(vblank_info->vblank, enable_fake);
 304         TDM_RETURN_IF_FAIL(ret == TDM_ERROR_NONE);
 305 }
 306
 307 static void
 308 _tdm_server_vblank_cb_wait_vblank(struct wl_client *client, struct wl_resource *resource,
 309                                                                   uint32_t interval, uint32_t req_id, uint32_t req_sec, uint32_t req_usec)
 310 {
 311         tdm_server_vblank_info *vblank_info = wl_resource_get_user_data(resource);
 312         tdm_server_output_info *output_info = vblank_info->output_info;
 313         tdm_private_server *private_server = output_info->private_server;
 314         tdm_server_wait_info *wait_info;
 315         unsigned int enable_fake = 0;
 316         tdm_error ret;
 317
 318         wait_info = calloc(1, sizeof * wait_info);
 319         if (!wait_info) {
 320                 /* LCOV_EXCL_START */
 321
 322                 TDM_ERR("alloc failed");
 323                 ret = TDM_ERROR_OUT_OF_MEMORY;
 324                 goto wait_failed;
 325
 326                 /* LCOV_EXCL_STOP */
 327         }
 328
 329         LIST_ADDTAIL(&wait_info->link, &private_server->wait_list);
 330         wait_info->vblank_info = vblank_info;
 331         wait_info->req_id = req_id;
 332         wait_info->req_time = TDM_TIME(req_sec, req_usec);
 333
 334         if (tdm_debug_module & TDM_DEBUG_VBLANK)
 335                 TDM_DBG("req_id(%d) wait", req_id);
 336
 337         if (tdm_ttrace_module & TDM_TTRACE_SERVER_VBLANK)
 338                 TDM_TRACE_ASYNC_BEGIN((int)wait_info->req_time, "TDM_Server_Vblank:%u", vblank_info->stamp);
 339
 340         ret = tdm_vblank_wait(vblank_info->vblank, req_sec, req_usec, interval, _tdm_server_cb_vblank, wait_info);
 341
 342         tdm_vblank_get_enable_fake(vblank_info->vblank, &enable_fake);
 343         if (!enable_fake && ret == TDM_ERROR_DPMS_OFF)
 344                 goto wait_failed;
 345
 346         TDM_GOTO_IF_FAIL(ret == TDM_ERROR_NONE, wait_failed);
 347
 348         return;
 349 wait_failed:
 350         /* LCOV_EXCL_START */
 351
 352         wl_tdm_vblank_send_done(vblank_info->resource, req_id, 0, 0, 0, ret);
 353         if (wait_info)
 354                 destroy_wait(wait_info);
 355
 356         /* LCOV_EXCL_STOP */
 357 }
 358
 359 static void
 360 _tdm_server_vblank_cb_wait_vblank_seq(struct wl_client *client, struct wl_resource *resource,
 361                                                                           uint32_t sequence, uint32_t req_id, uint32_t req_sec, uint32_t req_usec)
 362 {
 363         tdm_server_vblank_info *vblank_info = wl_resource_get_user_data(resource);
 364         tdm_server_output_info *output_info = vblank_info->output_info;
 365         tdm_private_server *private_server = output_info->private_server;
 366         tdm_server_wait_info *wait_info;
 367         unsigned int enable_fake = 0;
 368         tdm_error ret;
 369
 370         wait_info = calloc(1, sizeof * wait_info);
 371         if (!wait_info) {
 372                 /* LCOV_EXCL_START */
 373
 374                 TDM_ERR("alloc failed");
 375                 ret = TDM_ERROR_OUT_OF_MEMORY;
 376                 goto wait_failed;
 377
 378                 /* LCOV_EXCL_STOP */
 379         }
 380
 381         LIST_ADDTAIL(&wait_info->link, &private_server->wait_list);
 382         wait_info->vblank_info = vblank_info;
 383         wait_info->req_id = req_id;
 384         wait_info->req_time = TDM_TIME(req_sec, req_usec);
 385
 386         if (tdm_debug_module & TDM_DEBUG_VBLANK)
 387                 TDM_DBG("req_id(%d) wait", req_id);
 388
 389         if (tdm_ttrace_module & TDM_TTRACE_SERVER_VBLANK)
 390                 TDM_TRACE_ASYNC_BEGIN((int)wait_info->req_time, "TDM_Server_Vblank:%u", vblank_info->stamp);
 391
 392         ret = tdm_vblank_wait_seq(vblank_info->vblank, req_sec, req_usec, sequence, _tdm_server_cb_vblank, wait_info);
 393
 394         tdm_vblank_get_enable_fake(vblank_info->vblank, &enable_fake);
 395         if (!enable_fake && ret == TDM_ERROR_DPMS_OFF)
 396                 goto wait_failed;
 397
 398         TDM_GOTO_IF_FAIL(ret == TDM_ERROR_NONE, wait_failed);
 399
 400         return;
 401 wait_failed:
 402         /* LCOV_EXCL_START */
 403
 404         wl_tdm_vblank_send_done(vblank_info->resource, req_id, 0, 0, 0, ret);
 405         if (wait_info)
 406                 destroy_wait(wait_info);
 407
 408         /* LCOV_EXCL_STOP */
 409 }
 410
 411 static const struct wl_tdm_vblank_interface tdm_vblank_implementation = {
 412         _tdm_server_vblank_cb_destroy,
 413         _tdm_server_vblank_cb_set_name,
 414         _tdm_server_vblank_cb_set_fps,
 415         _tdm_server_vblank_cb_set_offset,
 416         _tdm_server_vblank_cb_set_enable_fake,
 417         _tdm_server_vblank_cb_wait_vblank,
 418         _tdm_server_vblank_cb_wait_vblank_seq,
 419 };
 420
 421 /* LCOV_EXCL_START */
 422 static void
 423 _tdm_server_output_cb_destroy(struct wl_client *client, struct wl_resource *resource)
 424 {
 425         wl_resource_destroy(resource);
 426 }
 427 /* LCOV_EXCL_STOP */
 428
 429 static void
 430 _tdm_server_output_cb_create_vblank(struct wl_client *client, struct wl_resource *resource, uint32_t id)
 431 {
 432         tdm_server_output_info *output_info = wl_resource_get_user_data(resource);
 433         tdm_private_server *private_server = output_info->private_server;
 434         tdm_private_loop *private_loop = private_server->private_loop;
 435         struct wl_resource *vblank_resource;
 436         tdm_vblank *vblank;
 437         tdm_server_vblank_info *vblank_info;
 438
 439         vblank_resource =
 440                 wl_resource_create(client, &wl_tdm_vblank_interface,
 441                                                    wl_resource_get_version(resource), id);
 442         if (!vblank_resource) {
 443                 /* LCOV_EXCL_START */
 444
 445                 wl_resource_post_no_memory(resource);
 446                 TDM_ERR("wl_resource_create failed");
 447                 return;
 448
 449                 /* LCOV_EXCL_STOP */
 450         }
 451
 452         vblank = tdm_vblank_create(private_loop->dpy, output_info->output, NULL);
 453         if (!vblank) {
 454                 /* LCOV_EXCL_START */
 455
 456                 wl_resource_post_no_memory(resource);
 457                 wl_resource_destroy(vblank_resource);
 458                 TDM_ERR("tdm_vblank_create failed");
 459                 return;
 460
 461                 /* LCOV_EXCL_STOP */
 462         }
 463
 464         vblank_info = calloc(1, sizeof * vblank_info);
 465         if (!vblank_info) {
 466                 /* LCOV_EXCL_START */
 467
 468                 wl_resource_post_no_memory(resource);
 469                 wl_resource_destroy(vblank_resource);
 470                 tdm_vblank_destroy(vblank);
 471                 TDM_ERR("alloc failed");
 472                 return;
 473
 474                 /* LCOV_EXCL_STOP */
 475         }
 476
 477         LIST_ADDTAIL(&vblank_info->link, &output_info->vblank_list);
 478         vblank_info->output_info = output_info;
 479         vblank_info->resource = vblank_resource;
 480         vblank_info->vblank = vblank;
 481         vblank_info->stamp = (unsigned int)tdm_vblank_get_stamp(vblank);
 482
 483         tdm_vblank_set_resource(vblank, vblank_resource);
 484
 485         wl_resource_set_implementation(vblank_resource, &tdm_vblank_implementation,
 486                                                                    vblank_info, destroy_vblank_callback);
 487
 488         wl_tdm_vblank_send_stamp(vblank_info->resource, vblank_info->stamp);
 489
 490         if (tdm_ttrace_module & TDM_TTRACE_CLIENT_VBLANK) {
 491                 tdm_output *output = tdm_display_get_output(private_loop->dpy, tdm_ttrace_output, NULL);
 492                 if (output == output_info->output)
 493                         wl_tdm_vblank_send_ttrace(vblank_info->resource, 1);
 494         }
 495
 496         return;
 497 }
 498
 499 /* LCOV_EXCL_START */
 500 static void
 501 _tdm_server_output_cb_watch_output_changes(struct wl_client *client, struct wl_resource *resource, unsigned int enable)
 502 {
 503         tdm_server_output_info *output_info = wl_resource_get_user_data(resource);
 504
 505         TDM_RETURN_IF_FAIL(output_info != NULL);
 506
 507         output_info->watch_output_changes = enable;
 508 }
 509 /* LCOV_EXCL_STOP */
 510
 511 static void
 512 _tdm_server_output_cb_get_connection(struct wl_client *client, struct wl_resource *resource)
 513 {
 514         tdm_server_output_info *output_info = wl_resource_get_user_data(resource);
 515         tdm_output_conn_status status = TDM_OUTPUT_CONN_STATUS_DISCONNECTED;
 516         tdm_error ret;
 517
 518         TDM_RETURN_IF_FAIL(output_info != NULL);
 519
 520         ret = tdm_output_get_conn_status(output_info->output, &status);
 521         TDM_GOTO_IF_FAIL(ret == TDM_ERROR_NONE, failed);
 522
 523         wl_tdm_output_send_connection(output_info->resource, status, ret);
 524
 525         return;
 526
 527 failed:
 528         wl_tdm_output_send_connection(output_info->resource, TDM_OUTPUT_CONN_STATUS_DISCONNECTED, ret);
 529 }
 530
 531 static void
 532 _tdm_server_output_cb_get_mode(struct wl_client *client, struct wl_resource *resource)
 533 {
 534         tdm_server_output_info *output_info = wl_resource_get_user_data(resource);
 535         tdm_output_conn_status status = TDM_OUTPUT_CONN_STATUS_DISCONNECTED;
 536         tdm_error ret;
 537
 538         TDM_RETURN_IF_FAIL(output_info != NULL);
 539
 540         ret = tdm_output_get_conn_status(output_info->output, &status);
 541         TDM_GOTO_IF_FAIL(ret == TDM_ERROR_NONE, failed);
 542
 543         if (status != TDM_OUTPUT_CONN_STATUS_DISCONNECTED) {
 544                 const tdm_output_mode *mode = NULL;
 545                 unsigned int hdisplay, vdisplay, vrefresh;
 546
 547                 ret = tdm_output_get_mode(output_info->output, &mode);
 548                 TDM_GOTO_IF_FAIL(ret == TDM_ERROR_NONE, failed);
 549
 550                 hdisplay = (mode) ? mode->hdisplay : 0;
 551                 vdisplay = (mode) ? mode->vdisplay : 0;
 552                 vrefresh = (mode) ? mode->vrefresh : 0;
 553
 554                 wl_tdm_output_send_mode(output_info->resource, hdisplay, vdisplay, vrefresh, ret);
 555         } else {
 556                 wl_tdm_output_send_mode(output_info->resource, 0, 0, 0, TDM_ERROR_OUTPUT_DISCONNECTED);
 557         }
 558
 559         return;
 560 failed:
 561         wl_tdm_output_send_mode(output_info->resource, 0, 0, 0, ret);
 562 }
 563
 564 static void
 565 _tdm_server_output_cb_get_dpms(struct wl_client *client, struct wl_resource *resource)
 566 {
 567         tdm_server_output_info *output_info = wl_resource_get_user_data(resource);
 568         tdm_output_conn_status status = TDM_OUTPUT_CONN_STATUS_DISCONNECTED;
 569         tdm_error ret;
 570
 571         TDM_RETURN_IF_FAIL(output_info != NULL);
 572
 573         ret = tdm_output_get_conn_status(output_info->output, &status);
 574         TDM_GOTO_IF_FAIL(ret == TDM_ERROR_NONE, failed);
 575
 576         if (status != TDM_OUTPUT_CONN_STATUS_DISCONNECTED) {
 577                 tdm_output_dpms dpms_value = TDM_OUTPUT_DPMS_OFF;
 578
 579                 ret = tdm_output_get_dpms(output_info->output, &dpms_value);
 580                 TDM_GOTO_IF_FAIL(ret == TDM_ERROR_NONE, failed);
 581
 582                 wl_tdm_output_send_dpms(output_info->resource, dpms_value, ret);
 583         } else {
 584                 wl_tdm_output_send_dpms(output_info->resource, TDM_OUTPUT_DPMS_OFF, TDM_ERROR_OUTPUT_DISCONNECTED);
 585         }
 586
 587         return;
 588 failed:
 589         wl_tdm_output_send_dpms(output_info->resource, TDM_OUTPUT_DPMS_OFF, ret);
 590 }
 591
 592 static const struct wl_tdm_output_interface tdm_output_implementation = {
 593         _tdm_server_output_cb_destroy,
 594         _tdm_server_output_cb_create_vblank,
 595         _tdm_server_output_cb_watch_output_changes,
 596         _tdm_server_output_cb_get_connection,
 597         _tdm_server_output_cb_get_mode,
 598         _tdm_server_output_cb_get_dpms,
 599 };
 600
 601 static void
 602 destroy_output_callback(struct wl_resource *resource)
 603 {
 604         tdm_server_output_info *output_info = wl_resource_get_user_data(resource);
 605         tdm_server_vblank_info *v = NULL, *vv = NULL;
 606
 607         TDM_RETURN_IF_FAIL(output_info != NULL);
 608
 609         LIST_DEL(&output_info->link);
 610
 611         tdm_output_remove_change_handler(output_info->output,
 612                                                                          _tdm_server_cb_output_change, output_info);
 613
 614         LIST_FOR_EACH_ENTRY_SAFE(v, vv, &output_info->vblank_list, link) {
 615                 wl_resource_destroy(v->resource);
 616         }
 617
 618         free(output_info);
 619 }
 620
 621 static void
 622 _tdm_server_cb_create_output(struct wl_client *client, struct wl_resource *resource,
 623                                                          const char *name, uint32_t id)
 624 {
 625         tdm_private_server *private_server = wl_resource_get_user_data(resource);
 626         tdm_server_output_info *output_info;
 627         struct wl_resource *output_resource = NULL;
 628         tdm_output *output;
 629         tdm_output_conn_status status = TDM_OUTPUT_CONN_STATUS_DISCONNECTED;
 630         tdm_error ret;
 631
 632         output = tdm_display_find_output(private_server->private_loop->dpy, name, NULL);
 633         if (!output) {
 634                 /* LCOV_EXCL_START */
 635
 636                 TDM_ERR("There is no '%s' output", name);
 637                 wl_resource_post_error(resource, WL_DISPLAY_ERROR_INVALID_OBJECT,
 638                                                            "There is no '%s' output", name);
 639                 return;
 640
 641                 /* LCOV_EXCL_STOP */
 642         }
 643
 644         output_resource =
 645                 wl_resource_create(client, &wl_tdm_output_interface,
 646                                                    wl_resource_get_version(resource), id);
 647         if (!output_resource) {
 648                 /* LCOV_EXCL_START */
 649
 650                 wl_resource_post_no_memory(resource);
 651                 TDM_ERR("wl_resource_create failed");
 652                 return;
 653
 654                 /* LCOV_EXCL_STOP */
 655         }
 656
 657         output_info = calloc(1, sizeof * output_info);
 658         if (!output_info) {
 659                 /* LCOV_EXCL_START */
 660
 661                 wl_resource_post_no_memory(resource);
 662                 wl_resource_destroy(output_resource);
 663                 TDM_ERR("alloc failed");
 664                 return;
 665
 666                 /* LCOV_EXCL_STOP */
 667         }
 668
 669         ret = tdm_output_add_change_handler(output, _tdm_server_cb_output_change, output_info);
 670         if (ret != TDM_ERROR_NONE) {
 671                 wl_resource_post_no_memory(resource);
 672                 wl_resource_destroy(output_resource);
 673                 free(output_info);
 674                 TDM_ERR("tdm_output_add_change_handler failed");
 675                 return;
 676         }
 677
 678         LIST_ADDTAIL(&output_info->link, &private_server->output_list);
 679         output_info->private_server = private_server;
 680         output_info->resource = output_resource;
 681         output_info->output = output;
 682         LIST_INITHEAD(&output_info->vblank_list);
 683
 684         wl_resource_set_implementation(output_resource, &tdm_output_implementation,
 685                                                                    output_info, destroy_output_callback);
 686
 687         ret = tdm_output_get_conn_status(output, &status);
 688         wl_tdm_output_send_connection(output_resource, status, ret);
 689
 690         if (status != TDM_OUTPUT_CONN_STATUS_DISCONNECTED) {
 691                 tdm_output_dpms dpms_value = TDM_OUTPUT_DPMS_OFF;
 692                 const tdm_output_mode *mode = NULL;
 693                 unsigned int hdisplay, vdisplay, vrefresh;
 694
 695                 ret = tdm_output_get_mode(output, &mode);
 696                 hdisplay = (mode) ? mode->hdisplay : 0;
 697                 vdisplay = (mode) ? mode->vdisplay : 0;
 698                 vrefresh = (mode) ? mode->vrefresh : 0;
 699                 wl_tdm_output_send_mode(output_resource, hdisplay, vdisplay, vrefresh, ret);
 700
 701                 ret = tdm_output_get_dpms(output, &dpms_value);
 702                 wl_tdm_output_send_dpms(output_resource, dpms_value, ret);
 703         } else {
 704                 wl_tdm_output_send_mode(output_resource, 0, 0, 0, TDM_ERROR_OUTPUT_DISCONNECTED);
 705                 wl_tdm_output_send_dpms(output_resource, TDM_OUTPUT_DPMS_OFF, TDM_ERROR_OUTPUT_DISCONNECTED);
 706         }
 707 }
 708
 709 static void _tdm_voutput_cb_destroy(struct wl_client *client, struct wl_resource *resource)
 710 {
 711         tdm_server_voutput_info *voutput_info;
 712         tdm_private_server *private_server;
 713         tdm_output *output;
 714         tdm_error ret = TDM_ERROR_NONE;
 715
 716         voutput_info = wl_resource_get_user_data(resource);
 717
 718         private_server = voutput_info->private_server;
 719         output = voutput_info->output;
 720
 721         if (output)
 722                 ret = tdm_display_destroy_output(private_server->private_loop->dpy, output);
 723
 724         if (ret != TDM_ERROR_NONE)
 725                 TDM_ERR("_tdm_voutput_cb_destroy fail");
 726
 727         wl_resource_destroy(resource);
 728 }
 729
 730 static void
 731 _tdm_voutput_cb_set_available_modes(struct wl_client *client,
 732                                                                         struct wl_resource *resource,
 733                                                                         uint32_t index,
 734                                                                         uint32_t clock,
 735                                                                         uint32_t hdisplay,
 736                                                                         uint32_t hsync_start,
 737                                                                         uint32_t hsync_end,
 738                                                                         uint32_t htotal,
 739                                                                         uint32_t hskew,
 740                                                                         uint32_t vdisplay,
 741                                                                         uint32_t vsync_start,
 742                                                                         uint32_t vsync_end,
 743                                                                         uint32_t vtotal,
 744                                                                         uint32_t vscan,
 745                                                                         uint32_t vrefresh,
 746                                                                         uint32_t flags,
 747                                                                         uint32_t type,
 748                                                                         const char *name)
 749 {
 750         tdm_server_voutput_info *voutput_info;
 751         tdm_output_mode *tmp_modes, *old_modes;
 752         tdm_output_mode *new_mode;
 753         int count, len;
 754
 755         voutput_info = wl_resource_get_user_data(resource);
 756
 757         count = voutput_info->available_modes.count;
 758         old_modes = voutput_info->available_modes.modes;
 759         if (index >= count) {
 760                 if (count > 0)  {
 761                         tmp_modes = malloc(count * sizeof(*tmp_modes));
 762                         memcpy(tmp_modes, old_modes, count * sizeof(tdm_output_mode));
 763                 }
 764
 765                 voutput_info->available_modes.count = index + 1;
 766                 voutput_info->available_modes.modes =
 767                         realloc(voutput_info->available_modes.modes,
 768                                         sizeof(tdm_output_mode) * (index + 1));
 769
 770                 if (count > 0) {
 771                         memcpy(voutput_info->available_modes.modes, tmp_modes, count * sizeof(tdm_output_mode));
 772                         free(tmp_modes);
 773                 }
 774         }
 775
 776         new_mode = &voutput_info->available_modes.modes[index];
 777         new_mode->clock = clock;
 778         new_mode->hdisplay = hdisplay;
 779         new_mode->hsync_start = hsync_start;
 780         new_mode->hsync_end = hsync_end;
 781         new_mode->htotal = htotal;
 782         new_mode->hskew= hskew;
 783         new_mode->vdisplay= vdisplay;
 784         new_mode->vsync_start= vsync_start;
 785         new_mode->vsync_end = vsync_end;
 786         new_mode->vtotal = vtotal;
 787         new_mode->vscan = vscan;
 788         new_mode->vrefresh = vrefresh;
 789         new_mode->flags = flags;
 790         new_mode->type = type;
 791
 792         len = strlen(name);
 793         strncpy(new_mode->name, name, len);
 794         new_mode->name[len] = '\0';
 795 }
 796
 797 static void
 798 _tdm_voutput_cb_set_available_formats(struct wl_client *client,
 799                                                                           struct wl_resource *resource,
 800                                                                           struct wl_array *formats)
 801 {
 802         tdm_server_voutput_info *voutput_info;
 803         tbm_format *f;
 804         int count = 0, i = 0;
 805
 806         voutput_info = wl_resource_get_user_data(resource);
 807
 808         voutput_info->available_formats.count = 0;
 809         if (voutput_info->available_formats.formats)
 810                 free(voutput_info->available_formats.formats);
 811
 812         wl_array_for_each(f, formats)
 813                 count++;
 814
 815         voutput_info->available_formats.formats = malloc(count * sizeof(tbm_format));
 816         voutput_info->available_formats.count = count;
 817
 818         wl_array_for_each(f, formats)
 819                 voutput_info->available_formats.formats[i++] = *f;
 820 }
 821
 822 static void
 823 _tdm_voutput_cb_set_physical_size(struct wl_client *client, struct wl_resource *resource,
 824                                                                   unsigned int mmwidth, unsigned int mmheight)
 825 {
 826         tdm_server_voutput_info *voutput_info;
 827
 828         voutput_info = wl_resource_get_user_data(resource);
 829
 830         voutput_info->mmwidth = mmwidth;
 831         voutput_info->mmheight = mmheight;
 832 }
 833
 834 static void
 835 _tdm_voutput_cb_connect(struct wl_client *client, struct wl_resource *resource)
 836 {
 837         tdm_server_voutput_info *voutput_info;
 838
 839         voutput_info = wl_resource_get_user_data(resource);
 840         voutput_info->status = TDM_OUTPUT_CONN_STATUS_CONNECTED;
 841
 842         tdm_output_set_physical_size(voutput_info->output, voutput_info->mmwidth, voutput_info->mmheight);
 843         tdm_output_set_available_mode(voutput_info->output, voutput_info->available_modes.modes, voutput_info->available_modes.count);
 844         tdm_output_set_connect(voutput_info->output);
 845 }
 846
 847 static void
 848 _tdm_voutput_cb_disconnect(struct wl_client *client, struct wl_resource *resource)
 849 {
 850         tdm_server_voutput_info *voutput_info;
 851
 852         voutput_info = wl_resource_get_user_data(resource);
 853         voutput_info->status = TDM_OUTPUT_CONN_STATUS_DISCONNECTED;
 854
 855         /* Do free resources when it's being disconnected */
 856         free(voutput_info->available_modes.modes);
 857         voutput_info->available_modes.modes = NULL;
 858         voutput_info->available_modes.count = 0;
 859         voutput_info->mmwidth = 0;
 860         voutput_info->mmheight = 0;
 861
 862         tdm_output_set_disconnect(voutput_info->output);
 863 }
 864
 865 static const struct wl_tdm_voutput_interface tdm_voutput_implementation = {
 866         _tdm_voutput_cb_destroy,
 867         _tdm_voutput_cb_set_available_modes,
 868         _tdm_voutput_cb_set_available_formats,
 869         _tdm_voutput_cb_set_physical_size,
 870         _tdm_voutput_cb_connect,
 871         _tdm_voutput_cb_disconnect
 872 };
 873
 874 void
 875 tdm_voutput_cb_resource_destroy(struct wl_resource *resource)
 876 {
 877         tdm_server_voutput_info *voutput_info = wl_resource_get_user_data(resource);
 878
 879         TDM_RETURN_IF_FAIL(voutput_info != NULL);
 880
 881         LIST_DEL(&voutput_info->link);
 882
 883         /* Do free your own resource */
 884         free(voutput_info);
 885 }
 886
 887 static void
 888 _tdm_server_cb_create_virtual_output(struct wl_client *client, struct wl_resource *resource, const char *name, uint32_t id)
 889 {
 890         struct wl_resource *voutput_resource = NULL;
 891         tdm_private_server *private_server = wl_resource_get_user_data(resource);
 892         tdm_server_voutput_info *voutput_info;
 893         tdm_output *output;
 894         tdm_error ret;
 895
 896         output = tdm_display_find_output(private_server->private_loop->dpy, name, NULL);
 897         if (output) {
 898                 TDM_ERR("There is '%s' output, cannot create.", name);
 899                 wl_resource_post_error(resource, WL_DISPLAY_ERROR_INVALID_OBJECT,
 900                                                            "There is '%s' output", name);
 901                 return;
 902         }
 903
 904         output = tdm_display_create_output(private_server->private_loop->dpy, name, &ret);
 905         if (!output) {
 906                 TDM_ERR("output creation fail(%s)(%d).", name, ret);
 907                 wl_resource_post_error(resource, WL_DISPLAY_ERROR_NO_MEMORY,
 908                                                            "%s output creation fail", name);
 909                 return;
 910         }
 911
 912         voutput_resource =
 913                 wl_resource_create(client, &wl_tdm_voutput_interface,
 914                                                    wl_resource_get_version(resource), id);
 915         if (!voutput_resource) {
 916                 /* LCOV_EXCL_START */
 917
 918                 wl_resource_post_no_memory(resource);
 919                 TDM_ERR("wl_resource_create failed");
 920                 return;
 921
 922                 /* LCOV_EXCL_STOP */
 923         }
 924
 925         voutput_info = calloc(1, sizeof * voutput_info);
 926         if (!voutput_info) {
 927                 /* LCOV_EXCL_START */
 928
 929                 wl_resource_post_no_memory(resource);
 930                 wl_resource_destroy(voutput_resource);
 931                 TDM_ERR("alloc failed");
 932                 return;
 933
 934                 /* LCOV_EXCL_STOP */
 935         }
 936
 937         LIST_ADDTAIL(&voutput_info->link, &private_server->voutput_list);
 938         voutput_info->private_server = private_server;
 939         voutput_info->resource = voutput_resource;
 940         voutput_info->output = output;
 941         LIST_INITHEAD(&voutput_info->output_list);
 942
 943         wl_resource_set_implementation(voutput_resource,
 944                                                                    &tdm_voutput_implementation,
 945                                                                    voutput_info,
 946                                                                    tdm_voutput_cb_resource_destroy);
 947
 948         wl_tdm_voutput_send_ack_message(voutput_resource, WL_TDM_VOUTPUT_MESSAGE_ADDED);
 949 }
 950
 951 /* LCOV_EXCL_START */
 952 static void
 953 _tdm_server_cb_debug(struct wl_client *client, struct wl_resource *resource, const char *options)
 954 {
 955         tdm_private_server *private_server = wl_resource_get_user_data(resource);
 956         tdm_private_loop *private_loop = private_server->private_loop;
 957         char message[TDM_SERVER_REPLY_MSG_LEN];
 958         char *m;
 959         int len = sizeof(message), size;
 960         uid_t uid;
 961
 962         wl_client_get_credentials(client, NULL, &uid, NULL);
 963
 964         if (uid != 0) {
 965                 snprintf(message, len, "tdm-monitor: SHOULD be a superuser.\n");
 966                 TDM_ERR("%s", message);
 967         } else {
 968                 tdm_monitor_server_command(private_loop->dpy, options, message, &len);
 969         }
 970
 971         size = sizeof(message) - len;
 972         m = message;
 973
 974         wl_client_flush(client);
 975
 976         while (size > 0) {
 977                 char buffer[TDM_DEBUG_REPLY_MSG_LEN];
 978                 int copylen = TDM_MIN(size, sizeof(buffer) - 1);
 979
 980                 strncpy(buffer, m, copylen);
 981                 m += copylen;
 982                 size -= copylen;
 983
 984                 buffer[copylen] = '\0';
 985
 986                 wl_tdm_send_debug_message(resource, buffer);
 987         }
 988
 989         wl_tdm_send_debug_done(resource);
 990 }
 991 /* LCOV_EXCL_STOP */
 992
 993 static const struct wl_tdm_interface tdm_implementation = {
 994         _tdm_server_cb_debug,
 995         _tdm_server_cb_create_output,
 996         _tdm_server_cb_create_virtual_output
 997 };
 998
 999 static void
1000 destroy_client(struct wl_resource *resource)
1001 {
1002         tdm_server_client_info *c = NULL, *cc = NULL;
1003         struct wl_client *client;
1004
1005         client = wl_resource_get_client(resource);
1006         TDM_RETURN_IF_FAIL(client != NULL);
1007
1008         LIST_FOR_EACH_ENTRY_SAFE(c, cc, &client_list, link) {
1009                 if (c->resource == resource) {
1010                         LIST_DEL(&c->link);
1011                         free(c);
1012                         return;
1013                 }
1014         }
1015 }
1016
1017 static void
1018 _tdm_server_bind(struct wl_client *client, void *data,
1019                                  uint32_t version, uint32_t id)
1020 {
1021         struct wl_resource *resource;
1022         tdm_server_client_info *cinfo;
1023
1024         resource = wl_resource_create(client, &wl_tdm_interface, version, id);
1025         if (!resource) {
1026                 /* LCOV_EXCL_START */
1027
1028                 wl_client_post_no_memory(client);
1029                 return;
1030
1031                 /* LCOV_EXCL_STOP */
1032         }
1033
1034         cinfo = calloc(1, sizeof(tdm_server_client_info));
1035         if (!cinfo) {
1036                 /* LCOV_EXCL_START */
1037
1038                 wl_client_post_no_memory(client);
1039                 wl_resource_destroy(resource);
1040                 return;
1041
1042                 /* LCOV_EXCL_STOP */
1043         }
1044
1045         cinfo->resource = resource;
1046
1047         LIST_ADDTAIL(&cinfo->link, &client_list);
1048         wl_client_get_credentials(client, &cinfo->pid, NULL, NULL);
1049         _tdm_server_get_process_name(cinfo->pid, cinfo->name, TDM_NAME_LEN);
1050
1051         wl_resource_set_implementation(resource, &tdm_implementation, data, destroy_client);
1052 }
1053
1054 INTERN tdm_error
1055 tdm_server_init(tdm_private_loop *private_loop)
1056 {
1057         tdm_private_server *private_server;
1058
1059         TDM_RETURN_VAL_IF_FAIL(private_loop, TDM_ERROR_OPERATION_FAILED);
1060         TDM_RETURN_VAL_IF_FAIL(private_loop->wl_display, TDM_ERROR_OPERATION_FAILED);
1061
1062         if (private_loop->private_server)
1063                 return TDM_ERROR_NONE;
1064
1065         if (wl_display_add_socket(private_loop->wl_display, "tdm-socket")) {
1066                 /* LCOV_EXCL_START */
1067
1068                 TDM_ERR("createing a tdm-socket failed");
1069                 return TDM_ERROR_OPERATION_FAILED;
1070
1071                 /* LCOV_EXCL_STOP */
1072         }
1073
1074         private_server = calloc(1, sizeof * private_server);
1075         if (!private_server) {
1076                 TDM_ERR("alloc failed");
1077                 return TDM_ERROR_OUT_OF_MEMORY;
1078         }
1079
1080         LIST_INITHEAD(&private_server->output_list);
1081         LIST_INITHEAD(&private_server->voutput_list);
1082         LIST_INITHEAD(&private_server->wait_list);
1083
1084         if (!wl_global_create(private_loop->wl_display, &wl_tdm_interface, 1,
1085                                                   private_server, _tdm_server_bind)) {
1086                 /* LCOV_EXCL_START */
1087
1088                 TDM_ERR("creating a global resource failed");
1089                 free(private_server);
1090                 return TDM_ERROR_OUT_OF_MEMORY;
1091
1092                 /* LCOV_EXCL_STOP */
1093         }
1094
1095         private_server->private_loop = private_loop;
1096         private_loop->private_server = private_server;
1097         keep_private_server = private_server;
1098
1099         LIST_INITHEAD(&client_list);
1100
1101         return TDM_ERROR_NONE;
1102 }
1103
1104 INTERN void
1105 tdm_server_deinit(tdm_private_loop *private_loop)
1106 {
1107         tdm_server_output_info *o = NULL, *oo = NULL;
1108 //      tdm_server_voutput_info *vo = NULL, *voo = NULL;
1109         tdm_server_wait_info *w = NULL, *ww = NULL;
1110         tdm_server_client_info *c = NULL, *cc = NULL;
1111         tdm_private_server *private_server;
1112
1113         if (!private_loop->private_server)
1114                 return;
1115
1116         private_server = private_loop->private_server;
1117
1118         LIST_FOR_EACH_ENTRY_SAFE(w, ww, &private_server->wait_list, link) {
1119                 destroy_wait(w);
1120         }
1121
1122         LIST_FOR_EACH_ENTRY_SAFE(o, oo, &private_server->output_list, link) {
1123                 wl_resource_destroy(o->resource);
1124         }
1125 #if 0
1126         LIST_FOR_EACH_ENTRY_SAFE(vo, voo, &private_server->voutput_list, link) {
1127                 wl_resource_destroy(vo->resource);
1128         }
1129 #endif
1130         LIST_FOR_EACH_ENTRY_SAFE(c, cc, &client_list, link) {
1131                 wl_resource_destroy(c->resource);
1132         }
1133
1134         free(private_server);
1135         private_loop->private_server = NULL;
1136         keep_private_server = NULL;
1137 }
1138
1139 /* LCOV_EXCL_START */
1140 INTERN const char*
1141 tdm_server_get_client_name(pid_t pid)
1142 {
1143         tdm_server_client_info *c = NULL;
1144
1145         LIST_FOR_EACH_ENTRY(c, &client_list, link) {
1146                 if (c->pid == pid)
1147                         return (const char*)c->name;
1148         }
1149
1150         return NULL;
1151 }
1152 /* LCOV_EXCL_STOP */
1153
1154 /* LCOV_EXCL_START */
1155 INTERN tdm_error
1156 tdm_server_enable_ttrace_client_vblank(tdm_display *dpy, tdm_output *output, int enable)
1157 {
1158         tdm_private_server *private_server = keep_private_server;
1159         tdm_server_output_info *output_info = NULL;
1160
1161         if (!keep_private_server)
1162                 return TDM_ERROR_NONE;
1163
1164         LIST_FOR_EACH_ENTRY(output_info, &private_server->output_list, link) {
1165                 tdm_server_vblank_info *vblank_info = NULL;
1166
1167                 if (output && output_info->output != output)
1168                         continue;
1169
1170                 LIST_FOR_EACH_ENTRY(vblank_info, &output_info->vblank_list, link) {
1171                         wl_tdm_vblank_send_ttrace(vblank_info->resource, enable);
1172                 }
1173         }
1174
1175         return TDM_ERROR_NONE;
1176 }
1177 /* LCOV_EXCL_STOP */