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