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