src/tdm_server.c

   1 /**************************************************************************
   2  *
   3  * libtdm
   4  *
   5  * Copyright 2015 Samsung Electronics co., Ltd. All Rights Reserved.
   6  *
   7  * Contact: Eunchul Kim <chulspro.kim@samsung.com>,
   8  *          JinYoung Jeon <jy0.jeon@samsung.com>,
   9  *          Taeheon Kim <th908.kim@samsung.com>,
  10  *          YoungJun Cho <yj44.cho@samsung.com>,
  11  *          SooChan Lim <sc1.lim@samsung.com>,
  12  *          Boram Park <boram1288.park@samsung.com>
  13  *
  14  * Permission is hereby granted, free of charge, to any person obtaining a
  15  * copy of this software and associated documentation files (the
  16  * "Software"), to deal in the Software without restriction, including
  17  * without limitation the rights to use, copy, modify, merge, publish,
  18  * distribute, sub license, and/or sell copies of the Software, and to
  19  * permit persons to whom the Software is furnished to do so, subject to
  20  * the following conditions:
  21  *
  22  * The above copyright notice and this permission notice (including the
  23  * next paragraph) shall be included in all copies or substantial portions
  24  * of the Software.
  25  *
  26  * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS
  27  * OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
  28  * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NON-INFRINGEMENT.
  29  * IN NO EVENT SHALL PRECISION INSIGHT AND/OR ITS SUPPLIERS BE LIABLE FOR
  30  * ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT,
  31  * TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE
  32  * SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
  33  *
  34 **************************************************************************/
  35
  36 #ifdef HAVE_CONFIG_H
  37 #include "config.h"
  38 #endif
  39
  40 #define WL_HIDE_DEPRECATED
  41
  42 #include <tdm-server-protocol.h>
  43
  44 #include "tdm_private.h"
  45
  46 /* CAUTION:
  47  * - tdm server doesn't care about thread things.
  48  * - DO NOT use the TDM internal functions here.
  49  *     However, the internal function which does lock/unlock the mutex of
  50  *     private_display in itself can be called.
  51  * - DO NOT use the tdm_private_display structure here.
  52  * - The callback function things can be called in main thread.
  53  */
  54
  55 struct _tdm_private_server {
  56         tdm_private_loop *private_loop;
  57         struct list_head output_list;
  58         struct list_head voutput_list;
  59         struct list_head wait_list;
  60 };
  61
  62 typedef struct _tdm_server_output_info {
  63         struct list_head link;
  64         tdm_private_server *private_server;
  65         struct wl_resource *resource;
  66         tdm_output *output;
  67         struct list_head vblank_list;
  68         unsigned int watch_output_changes;
  69 } tdm_server_output_info;
  70
  71 typedef struct _tdm_server_voutput_buffer {
  72         struct list_head link;
  73         struct wl_resource *wl_buffer;
  74         tbm_surface_h buffer;
  75 } tdm_server_voutput_buffer;
  76
  77 typedef struct _tdm_server_voutput_info {
  78         struct list_head link;
  79         tdm_private_server *private_server;
  80         struct wl_resource *resource;
  81         tdm_voutput *voutput;
  82         tdm_output *output;
  83
  84         tdm_output_conn_status status;
  85         struct {
  86                 int count;
  87                 tdm_output_mode *modes;
  88         } available_modes;
  89
  90         unsigned int mmwidth;
  91         unsigned int mmheight;
  92 } tdm_server_voutput_info;
  93
  94 typedef struct _tdm_server_vblank_info {
  95         struct list_head link;
  96         tdm_server_output_info *output_info;
  97         struct wl_resource *resource;
  98
  99         tdm_vblank *vblank;
 100         unsigned int stamp;
 101 } tdm_server_vblank_info;
 102
 103 typedef struct _tdm_server_wait_info {
 104         struct list_head link;
 105         tdm_server_vblank_info *vblank_info;
 106
 107         unsigned int req_id;
 108         double req_time;
 109 } tdm_server_wait_info;
 110
 111 typedef struct _tdm_server_client_info {
 112         struct list_head link;
 113         pid_t pid;
 114         char name[TDM_NAME_LEN];
 115         struct wl_resource *resource;
 116 } tdm_server_client_info;
 117
 118 static tdm_private_server *keep_private_server;
 119 static struct list_head client_list;
 120
 121 static void destroy_wait(tdm_server_wait_info *wait_info);
 122
 123 static void
 124 _tdm_server_get_process_name(pid_t pid, char *name, unsigned int size)
 125 {
 126         char proc[TDM_NAME_LEN], pname[TDM_NAME_LEN];
 127         FILE *h;
 128         size_t len;
 129
 130         snprintf(name, size, "Unknown");
 131
 132         snprintf(proc, TDM_NAME_LEN, "/proc/%d/cmdline", pid);
 133         h = fopen(proc, "r");
 134         if (!h)
 135                 return;
 136
 137         len = fread(pname, sizeof(char), TDM_NAME_LEN, h);
 138         if (len == 0) {
 139                 char *p = strncpy(pname, "NO NAME", sizeof(pname) - 1);
 140                 len = p - pname;
 141         }
 142         pname[len - 1] = '\0';
 143
 144         strncpy(name, pname, size - 1);
 145         name[size - 1] = '\0';
 146
 147         fclose(h);
 148 }
 149
 150 /* LCOV_EXCL_START */
 151 static void
 152 _tdm_server_send_done(tdm_server_wait_info *wait_info, tdm_error error,
 153                                           unsigned int sequence, unsigned int tv_sec, unsigned int tv_usec)
 154 {
 155         tdm_server_wait_info *found;
 156         tdm_server_vblank_info *vblank_info;
 157
 158         TDM_RETURN_IF_FAIL(keep_private_server != NULL);
 159
 160         LIST_FIND_ITEM(wait_info, &keep_private_server->wait_list,
 161                                    tdm_server_wait_info, link, found);
 162         if (!found) {
 163                 TDM_ERR("wait_info(%p) is destroyed", wait_info);
 164                 return;
 165         }
 166
 167         if (tdm_debug_module & TDM_DEBUG_VBLANK)
 168                 TDM_DBG("req_id(%d) done", wait_info->req_id);
 169
 170         vblank_info = wait_info->vblank_info;
 171
 172         if (tdm_ttrace_module & TDM_TTRACE_SERVER_VBLANK)
 173                 TDM_TRACE_ASYNC_END((int)wait_info->req_time, "TDM_Server_Vblank:%u", vblank_info->stamp);
 174
 175         wl_tdm_vblank_send_done(vblank_info->resource, wait_info->req_id,
 176                                                         sequence, tv_sec, tv_usec, error);
 177
 178         destroy_wait(wait_info);
 179 }
 180 /* LCOV_EXCL_STOP */
 181
 182 /* LCOV_EXCL_START */
 183 static void
 184 _tdm_server_cb_vblank(tdm_vblank *vblank, tdm_error error, unsigned int sequence,
 185                                           unsigned int tv_sec, unsigned int tv_usec, void *user_data)
 186 {
 187         _tdm_server_send_done((tdm_server_wait_info*)user_data, error, sequence, tv_sec, tv_usec);
 188 }
 189 /* LCOV_EXCL_STOP */
 190
 191 /* LCOV_EXCL_START */
 192 static void
 193 _tdm_server_cb_output_change(tdm_output *output, tdm_output_change_type type,
 194                                                          tdm_value value, void *user_data)
 195 {
 196         tdm_server_output_info *output_info = user_data;
 197         struct wl_client *client;
 198         pid_t pid = 0;
 199         tdm_output_conn_status status;
 200         tdm_error ret = TDM_ERROR_NONE;
 201
 202         TDM_RETURN_IF_FAIL(output_info != NULL);
 203
 204         client = wl_resource_get_client(output_info->resource);
 205         TDM_RETURN_IF_FAIL(client != NULL);
 206
 207         wl_client_get_credentials(client, &pid, NULL, NULL);
 208
 209         if (!output_info->watch_output_changes) {
 210                 TDM_DBG("skip sending the output changes: pid(%d)", (unsigned int)pid);
 211                 return;
 212         }
 213
 214         TDM_DBG("send the output changes: %d, type:%d, value:%d", (unsigned int)pid, type, value.u32);
 215
 216         switch (type) {
 217         case TDM_OUTPUT_CHANGE_DPMS:
 218                 wl_tdm_output_send_dpms(output_info->resource, value.u32, TDM_ERROR_NONE);
 219                 break;
 220         case TDM_OUTPUT_CHANGE_CONNECTION:
 221                 status = value.u32;
 222                 if (status == TDM_OUTPUT_CONN_STATUS_MODE_SETTED) {
 223                         const tdm_output_mode *mode = NULL;
 224                         unsigned int hdisplay, vdisplay, vrefresh;
 225
 226                         ret = tdm_output_get_mode(output_info->output, &mode);
 227                         if (ret == TDM_ERROR_NONE) {
 228                                 hdisplay = (mode) ? mode->hdisplay : 0;
 229                                 vdisplay = (mode) ? mode->vdisplay : 0;
 230                                 vrefresh = (mode) ? mode->vrefresh : 0;
 231
 232                                 wl_tdm_output_send_mode(output_info->resource, hdisplay, vdisplay, vrefresh, ret);
 233                         } else {
 234                                 wl_tdm_output_send_mode(output_info->resource, 0, 0, 0, ret);
 235                         }
 236                 }
 237                 wl_tdm_output_send_connection(output_info->resource, value.u32, TDM_ERROR_NONE);
 238                 break;
 239         default:
 240                 break;
 241         }
 242 }
 243 /* LCOV_EXCL_STOP */
 244
 245 static void
 246 destroy_wait(tdm_server_wait_info *wait_info)
 247 {
 248         LIST_DEL(&wait_info->link);
 249         free(wait_info);
 250 }
 251
 252 static void
 253 destroy_vblank_callback(struct wl_resource *resource)
 254 {
 255         tdm_server_vblank_info *vblank_info = wl_resource_get_user_data(resource);
 256         tdm_server_wait_info *w = NULL, *ww = NULL;
 257
 258         TDM_RETURN_IF_FAIL(vblank_info != NULL);
 259
 260         LIST_DEL(&vblank_info->link);
 261
 262         if (vblank_info->vblank)
 263                 tdm_vblank_destroy(vblank_info->vblank);
 264
 265         LIST_FOR_EACH_ENTRY_SAFE(w, ww, &keep_private_server->wait_list, link) {
 266                 if (w->vblank_info == vblank_info)
 267                         destroy_wait(w);
 268         }
 269
 270         free(vblank_info);
 271 }
 272
 273 /* LCOV_EXCL_START */
 274 static void
 275 _tdm_server_vblank_cb_destroy(struct wl_client *client, struct wl_resource *resource)
 276 {
 277         wl_resource_destroy(resource);
 278 }
 279 /* LCOV_EXCL_STOP */
 280
 281 /* LCOV_EXCL_START */
 282 static void
 283 _tdm_server_vblank_cb_set_name(struct wl_client *client, struct wl_resource *resource, const char *name)
 284 {
 285         tdm_server_vblank_info *vblank_info = wl_resource_get_user_data(resource);
 286         tdm_error ret;
 287
 288         ret = tdm_vblank_set_name(vblank_info->vblank, name);
 289         TDM_RETURN_IF_FAIL(ret == TDM_ERROR_NONE);
 290 }
 291 /* LCOV_EXCL_STOP */
 292
 293 /* LCOV_EXCL_START */
 294 static void
 295 _tdm_server_vblank_cb_set_fps(struct wl_client *client, struct wl_resource *resource, uint32_t fps)
 296 {
 297         tdm_server_vblank_info *vblank_info = wl_resource_get_user_data(resource);
 298         tdm_error ret;
 299
 300         ret = tdm_vblank_set_fps(vblank_info->vblank, fps);
 301         TDM_RETURN_IF_FAIL(ret == TDM_ERROR_NONE);
 302 }
 303 /* LCOV_EXCL_STOP */
 304
 305 /* LCOV_EXCL_START */
 306 static void
 307 _tdm_server_vblank_cb_set_offset(struct wl_client *client, struct wl_resource *resource, int32_t offset)
 308 {
 309         tdm_server_vblank_info *vblank_info = wl_resource_get_user_data(resource);
 310         tdm_error ret;
 311
 312         ret = tdm_vblank_set_offset(vblank_info->vblank, offset);
 313         TDM_RETURN_IF_FAIL(ret == TDM_ERROR_NONE);
 314 }
 315 /* LCOV_EXCL_STOP */
 316
 317 static void
 318 _tdm_server_vblank_cb_set_enable_fake(struct wl_client *client, struct wl_resource *resource, uint32_t enable_fake)
 319 {
 320         tdm_server_vblank_info *vblank_info = wl_resource_get_user_data(resource);
 321         tdm_error ret;
 322
 323         ret = tdm_vblank_set_enable_fake(vblank_info->vblank, enable_fake);
 324         TDM_RETURN_IF_FAIL(ret == TDM_ERROR_NONE);
 325 }
 326
 327 static void
 328 _tdm_server_vblank_cb_wait_vblank(struct wl_client *client, struct wl_resource *resource,
 329                                                                   uint32_t interval, uint32_t req_id, uint32_t req_sec, uint32_t req_usec)
 330 {
 331         tdm_server_vblank_info *vblank_info = wl_resource_get_user_data(resource);
 332         tdm_server_output_info *output_info = vblank_info->output_info;
 333         tdm_private_server *private_server = output_info->private_server;
 334         tdm_server_wait_info *wait_info;
 335         unsigned int enable_fake = 0;
 336         tdm_error ret;
 337
 338         wait_info = calloc(1, sizeof * wait_info);
 339         if (!wait_info) {
 340                 /* LCOV_EXCL_START */
 341
 342                 TDM_ERR("alloc failed");
 343                 ret = TDM_ERROR_OUT_OF_MEMORY;
 344                 goto wait_failed;
 345
 346                 /* LCOV_EXCL_STOP */
 347         }
 348
 349         LIST_ADDTAIL(&wait_info->link, &private_server->wait_list);
 350         wait_info->vblank_info = vblank_info;
 351         wait_info->req_id = req_id;
 352         wait_info->req_time = TDM_TIME(req_sec, req_usec);
 353
 354         if (tdm_debug_module & TDM_DEBUG_VBLANK)
 355                 TDM_DBG("req_id(%d) wait", req_id);
 356
 357         if (tdm_ttrace_module & TDM_TTRACE_SERVER_VBLANK)
 358                 TDM_TRACE_ASYNC_BEGIN((int)wait_info->req_time, "TDM_Server_Vblank:%u", vblank_info->stamp);
 359
 360         ret = tdm_vblank_wait(vblank_info->vblank, req_sec, req_usec, interval, _tdm_server_cb_vblank, wait_info);
 361
 362         tdm_vblank_get_enable_fake(vblank_info->vblank, &enable_fake);
 363         if (!enable_fake && ret == TDM_ERROR_DPMS_OFF)
 364                 goto wait_failed;
 365
 366         TDM_GOTO_IF_FAIL(ret == TDM_ERROR_NONE, wait_failed);
 367
 368         return;
 369 wait_failed:
 370         /* LCOV_EXCL_START */
 371
 372         wl_tdm_vblank_send_done(vblank_info->resource, req_id, 0, 0, 0, ret);
 373         if (wait_info)
 374                 destroy_wait(wait_info);
 375
 376         /* LCOV_EXCL_STOP */
 377 }
 378
 379 static void
 380 _tdm_server_vblank_cb_wait_vblank_seq(struct wl_client *client, struct wl_resource *resource,
 381                                                                           uint32_t sequence, uint32_t req_id, uint32_t req_sec, uint32_t req_usec)
 382 {
 383         tdm_server_vblank_info *vblank_info = wl_resource_get_user_data(resource);
 384         tdm_server_output_info *output_info = vblank_info->output_info;
 385         tdm_private_server *private_server = output_info->private_server;
 386         tdm_server_wait_info *wait_info;
 387         unsigned int enable_fake = 0;
 388         tdm_error ret;
 389
 390         wait_info = calloc(1, sizeof * wait_info);
 391         if (!wait_info) {
 392                 /* LCOV_EXCL_START */
 393
 394                 TDM_ERR("alloc failed");
 395                 ret = TDM_ERROR_OUT_OF_MEMORY;
 396                 goto wait_failed;
 397
 398                 /* LCOV_EXCL_STOP */
 399         }
 400
 401         LIST_ADDTAIL(&wait_info->link, &private_server->wait_list);
 402         wait_info->vblank_info = vblank_info;
 403         wait_info->req_id = req_id;
 404         wait_info->req_time = TDM_TIME(req_sec, req_usec);
 405
 406         if (tdm_debug_module & TDM_DEBUG_VBLANK)
 407                 TDM_DBG("req_id(%d) wait", req_id);
 408
 409         if (tdm_ttrace_module & TDM_TTRACE_SERVER_VBLANK)
 410                 TDM_TRACE_ASYNC_BEGIN((int)wait_info->req_time, "TDM_Server_Vblank:%u", vblank_info->stamp);
 411
 412         ret = tdm_vblank_wait_seq(vblank_info->vblank, req_sec, req_usec, sequence, _tdm_server_cb_vblank, wait_info);
 413
 414         tdm_vblank_get_enable_fake(vblank_info->vblank, &enable_fake);
 415         if (!enable_fake && ret == TDM_ERROR_DPMS_OFF)
 416                 goto wait_failed;
 417
 418         TDM_GOTO_IF_FAIL(ret == TDM_ERROR_NONE, wait_failed);
 419
 420         return;
 421 wait_failed:
 422         /* LCOV_EXCL_START */
 423
 424         wl_tdm_vblank_send_done(vblank_info->resource, req_id, 0, 0, 0, ret);
 425         if (wait_info)
 426                 destroy_wait(wait_info);
 427
 428         /* LCOV_EXCL_STOP */
 429 }
 430
 431 static const struct wl_tdm_vblank_interface tdm_vblank_implementation = {
 432         _tdm_server_vblank_cb_destroy,
 433         _tdm_server_vblank_cb_set_name,
 434         _tdm_server_vblank_cb_set_fps,
 435         _tdm_server_vblank_cb_set_offset,
 436         _tdm_server_vblank_cb_set_enable_fake,
 437         _tdm_server_vblank_cb_wait_vblank,
 438         _tdm_server_vblank_cb_wait_vblank_seq,
 439 };
 440
 441 /* LCOV_EXCL_START */
 442 static void
 443 _tdm_server_output_cb_destroy(struct wl_client *client, struct wl_resource *resource)
 444 {
 445         wl_resource_destroy(resource);
 446 }
 447 /* LCOV_EXCL_STOP */
 448
 449 static void
 450 _tdm_server_output_cb_create_vblank(struct wl_client *client, struct wl_resource *resource, uint32_t id)
 451 {
 452         tdm_server_output_info *output_info = wl_resource_get_user_data(resource);
 453         tdm_private_server *private_server = output_info->private_server;
 454         tdm_private_loop *private_loop = private_server->private_loop;
 455         struct wl_resource *vblank_resource;
 456         tdm_vblank *vblank;
 457         tdm_server_vblank_info *vblank_info;
 458
 459         vblank_resource =
 460                 wl_resource_create(client, &wl_tdm_vblank_interface,
 461                                                    wl_resource_get_version(resource), id);
 462         if (!vblank_resource) {
 463                 /* LCOV_EXCL_START */
 464
 465                 wl_resource_post_no_memory(resource);
 466                 TDM_ERR("wl_resource_create failed");
 467                 return;
 468
 469                 /* LCOV_EXCL_STOP */
 470         }
 471
 472         vblank = tdm_vblank_create(private_loop->dpy, output_info->output, NULL);
 473         if (!vblank) {
 474                 /* LCOV_EXCL_START */
 475
 476                 wl_resource_post_no_memory(resource);
 477                 wl_resource_destroy(vblank_resource);
 478                 TDM_ERR("tdm_vblank_create failed");
 479                 return;
 480
 481                 /* LCOV_EXCL_STOP */
 482         }
 483
 484         vblank_info = calloc(1, sizeof * vblank_info);
 485         if (!vblank_info) {
 486                 /* LCOV_EXCL_START */
 487
 488                 wl_resource_post_no_memory(resource);
 489                 wl_resource_destroy(vblank_resource);
 490                 tdm_vblank_destroy(vblank);
 491                 TDM_ERR("alloc failed");
 492                 return;
 493
 494                 /* LCOV_EXCL_STOP */
 495         }
 496
 497         LIST_ADDTAIL(&vblank_info->link, &output_info->vblank_list);
 498         vblank_info->output_info = output_info;
 499         vblank_info->resource = vblank_resource;
 500         vblank_info->vblank = vblank;
 501         vblank_info->stamp = (unsigned int)tdm_vblank_get_stamp(vblank);
 502
 503         tdm_vblank_set_resource(vblank, vblank_resource);
 504
 505         wl_resource_set_implementation(vblank_resource, &tdm_vblank_implementation,
 506                                                                    vblank_info, destroy_vblank_callback);
 507
 508         wl_tdm_vblank_send_stamp(vblank_info->resource, vblank_info->stamp);
 509
 510         if (tdm_ttrace_module & TDM_TTRACE_CLIENT_VBLANK) {
 511                 tdm_output *output = tdm_display_get_output(private_loop->dpy, tdm_ttrace_output, NULL);
 512                 if (output == output_info->output)
 513                         wl_tdm_vblank_send_ttrace(vblank_info->resource, 1);
 514         }
 515
 516         return;
 517 }
 518
 519 /* LCOV_EXCL_START */
 520 static void
 521 _tdm_server_output_cb_watch_output_changes(struct wl_client *client, struct wl_resource *resource, unsigned int enable)
 522 {
 523         tdm_server_output_info *output_info = wl_resource_get_user_data(resource);
 524
 525         TDM_RETURN_IF_FAIL(output_info != NULL);
 526
 527         output_info->watch_output_changes = enable;
 528 }
 529 /* LCOV_EXCL_STOP */
 530
 531 static void
 532 _tdm_server_output_cb_get_connection(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         wl_tdm_output_send_connection(output_info->resource, status, ret);
 544
 545         return;
 546
 547 failed:
 548         wl_tdm_output_send_connection(output_info->resource, TDM_OUTPUT_CONN_STATUS_DISCONNECTED, ret);
 549 }
 550
 551 static void
 552 _tdm_server_output_cb_get_mode(struct wl_client *client, struct wl_resource *resource)
 553 {
 554         tdm_server_output_info *output_info = wl_resource_get_user_data(resource);
 555         tdm_output_conn_status status = TDM_OUTPUT_CONN_STATUS_DISCONNECTED;
 556         tdm_error ret;
 557
 558         TDM_RETURN_IF_FAIL(output_info != NULL);
 559
 560         ret = tdm_output_get_conn_status(output_info->output, &status);
 561         TDM_GOTO_IF_FAIL(ret == TDM_ERROR_NONE, failed);
 562
 563         if (status != TDM_OUTPUT_CONN_STATUS_DISCONNECTED) {
 564                 const tdm_output_mode *mode = NULL;
 565                 unsigned int hdisplay, vdisplay, vrefresh;
 566
 567                 ret = tdm_output_get_mode(output_info->output, &mode);
 568                 TDM_GOTO_IF_FAIL(ret == TDM_ERROR_NONE, failed);
 569
 570                 hdisplay = (mode) ? mode->hdisplay : 0;
 571                 vdisplay = (mode) ? mode->vdisplay : 0;
 572                 vrefresh = (mode) ? mode->vrefresh : 0;
 573
 574                 wl_tdm_output_send_mode(output_info->resource, hdisplay, vdisplay, vrefresh, ret);
 575         } else {
 576                 wl_tdm_output_send_mode(output_info->resource, 0, 0, 0, TDM_ERROR_OUTPUT_DISCONNECTED);
 577         }
 578
 579         return;
 580 failed:
 581         wl_tdm_output_send_mode(output_info->resource, 0, 0, 0, ret);
 582 }
 583
 584 static void
 585 _tdm_server_output_cb_get_dpms(struct wl_client *client, struct wl_resource *resource)
 586 {
 587         tdm_server_output_info *output_info = wl_resource_get_user_data(resource);
 588         tdm_output_conn_status status = TDM_OUTPUT_CONN_STATUS_DISCONNECTED;
 589         tdm_error ret;
 590
 591         TDM_RETURN_IF_FAIL(output_info != NULL);
 592
 593         ret = tdm_output_get_conn_status(output_info->output, &status);
 594         TDM_GOTO_IF_FAIL(ret == TDM_ERROR_NONE, failed);
 595
 596         if (status != TDM_OUTPUT_CONN_STATUS_DISCONNECTED) {
 597                 tdm_output_dpms dpms_value = TDM_OUTPUT_DPMS_OFF;
 598
 599                 ret = tdm_output_get_dpms(output_info->output, &dpms_value);
 600                 TDM_GOTO_IF_FAIL(ret == TDM_ERROR_NONE, failed);
 601
 602                 wl_tdm_output_send_dpms(output_info->resource, dpms_value, ret);
 603         } else {
 604                 wl_tdm_output_send_dpms(output_info->resource, TDM_OUTPUT_DPMS_OFF, TDM_ERROR_OUTPUT_DISCONNECTED);
 605         }
 606
 607         return;
 608 failed:
 609         wl_tdm_output_send_dpms(output_info->resource, TDM_OUTPUT_DPMS_OFF, ret);
 610 }
 611
 612 static const struct wl_tdm_output_interface tdm_output_implementation = {
 613         _tdm_server_output_cb_destroy,
 614         _tdm_server_output_cb_create_vblank,
 615         _tdm_server_output_cb_watch_output_changes,
 616         _tdm_server_output_cb_get_connection,
 617         _tdm_server_output_cb_get_mode,
 618         _tdm_server_output_cb_get_dpms,
 619 };
 620
 621 static void
 622 destroy_output_callback(struct wl_resource *resource)
 623 {
 624         tdm_server_output_info *output_info = wl_resource_get_user_data(resource);
 625         tdm_server_vblank_info *v = NULL, *vv = NULL;
 626
 627         TDM_RETURN_IF_FAIL(output_info != NULL);
 628
 629         LIST_DEL(&output_info->link);
 630
 631         tdm_output_remove_change_handler(output_info->output,
 632                                                                          _tdm_server_cb_output_change, output_info);
 633
 634         LIST_FOR_EACH_ENTRY_SAFE(v, vv, &output_info->vblank_list, link) {
 635                 wl_resource_destroy(v->resource);
 636         }
 637
 638         free(output_info);
 639 }
 640
 641 static void
 642 _tdm_server_cb_create_output(struct wl_client *client, struct wl_resource *resource,
 643                                                          const char *name, uint32_t id)
 644 {
 645         tdm_private_server *private_server = wl_resource_get_user_data(resource);
 646         tdm_server_output_info *output_info;
 647         struct wl_resource *output_resource = NULL;
 648         tdm_output *output;
 649         tdm_output_conn_status status = TDM_OUTPUT_CONN_STATUS_DISCONNECTED;
 650         tdm_error ret;
 651
 652         output = tdm_display_find_output(private_server->private_loop->dpy, name, NULL);
 653         if (!output) {
 654                 /* LCOV_EXCL_START */
 655
 656                 TDM_ERR("There is no '%s' output", name);
 657                 wl_resource_post_error(resource, WL_DISPLAY_ERROR_INVALID_OBJECT,
 658                                                            "There is no '%s' output", name);
 659                 return;
 660
 661                 /* LCOV_EXCL_STOP */
 662         }
 663
 664         output_resource =
 665                 wl_resource_create(client, &wl_tdm_output_interface,
 666                                                    wl_resource_get_version(resource), id);
 667         if (!output_resource) {
 668                 /* LCOV_EXCL_START */
 669
 670                 wl_resource_post_no_memory(resource);
 671                 TDM_ERR("wl_resource_create failed");
 672                 return;
 673
 674                 /* LCOV_EXCL_STOP */
 675         }
 676
 677         output_info = calloc(1, sizeof * output_info);
 678         if (!output_info) {
 679                 /* LCOV_EXCL_START */
 680
 681                 wl_resource_post_no_memory(resource);
 682                 wl_resource_destroy(output_resource);
 683                 TDM_ERR("alloc failed");
 684                 return;
 685
 686                 /* LCOV_EXCL_STOP */
 687         }
 688
 689         ret = tdm_output_add_change_handler(output, _tdm_server_cb_output_change, output_info);
 690         if (ret != TDM_ERROR_NONE) {
 691                 wl_resource_post_no_memory(resource);
 692                 wl_resource_destroy(output_resource);
 693                 free(output_info);
 694                 TDM_ERR("tdm_output_add_change_handler failed");
 695                 return;
 696         }
 697
 698         LIST_ADDTAIL(&output_info->link, &private_server->output_list);
 699         output_info->private_server = private_server;
 700         output_info->resource = output_resource;
 701         output_info->output = output;
 702         LIST_INITHEAD(&output_info->vblank_list);
 703
 704         wl_resource_set_implementation(output_resource, &tdm_output_implementation,
 705                                                                    output_info, destroy_output_callback);
 706
 707         ret = tdm_output_get_conn_status(output, &status);
 708         wl_tdm_output_send_connection(output_resource, status, ret);
 709
 710         if (status != TDM_OUTPUT_CONN_STATUS_DISCONNECTED) {
 711                 tdm_output_dpms dpms_value = TDM_OUTPUT_DPMS_OFF;
 712                 const tdm_output_mode *mode = NULL;
 713                 unsigned int hdisplay, vdisplay, vrefresh;
 714
 715                 ret = tdm_output_get_mode(output, &mode);
 716                 hdisplay = (mode) ? mode->hdisplay : 0;
 717                 vdisplay = (mode) ? mode->vdisplay : 0;
 718                 vrefresh = (mode) ? mode->vrefresh : 0;
 719                 wl_tdm_output_send_mode(output_resource, hdisplay, vdisplay, vrefresh, ret);
 720
 721                 ret = tdm_output_get_dpms(output, &dpms_value);
 722                 wl_tdm_output_send_dpms(output_resource, dpms_value, ret);
 723         } else {
 724                 wl_tdm_output_send_mode(output_resource, 0, 0, 0, TDM_ERROR_OUTPUT_DISCONNECTED);
 725                 wl_tdm_output_send_dpms(output_resource, TDM_OUTPUT_DPMS_OFF, TDM_ERROR_OUTPUT_DISCONNECTED);
 726         }
 727 }
 728
 729 static void _tdm_voutput_cb_destroy(struct wl_client *client, struct wl_resource *resource)
 730 {
 731         wl_resource_destroy(resource);
 732 }
 733
 734 static void
 735 _tdm_voutput_cb_set_available_modes(struct wl_client *client,
 736                                                                         struct wl_resource *resource,
 737                                                                         struct wl_array *modes)
 738 {
 739         tdm_server_voutput_info *voutput_info;
 740         tdm_output_mode *mode;
 741         int size, count = 0, i = 0;
 742
 743         voutput_info = wl_resource_get_user_data(resource);
 744
 745         voutput_info->available_modes.count = 0;
 746         if (voutput_info->available_modes.modes)
 747                 free(voutput_info->available_modes.modes);
 748
 749         wl_array_for_each(mode, modes)
 750                 count++;
 751         size = sizeof(tdm_output_mode);
 752
 753         voutput_info->available_modes.modes = malloc(count * size);
 754         voutput_info->available_modes.count = count;
 755
 756         wl_array_for_each(mode, modes)
 757                 memcpy(&voutput_info->available_modes.modes[i++], mode, size);
 758 }
 759
 760 static void
 761 _tdm_voutput_cb_set_physical_size(struct wl_client *client, struct wl_resource *resource,
 762                                                                   unsigned int mmwidth, unsigned int mmheight)
 763 {
 764         tdm_server_voutput_info *voutput_info;
 765
 766         voutput_info = wl_resource_get_user_data(resource);
 767
 768         voutput_info->mmwidth = mmwidth;
 769         voutput_info->mmheight = mmheight;
 770 }
 771
 772 static void
 773 _tdm_voutput_cb_set_mode(struct wl_client *client, struct wl_resource *resource, unsigned int index)
 774 {
 775         tdm_server_voutput_info *voutput_info = NULL;
 776         tdm_output *output = NULL;
 777         tdm_output_conn_status status = TDM_OUTPUT_CONN_STATUS_DISCONNECTED;
 778         const tdm_output_mode *modes, *mode;
 779
 780         int count = 0;
 781         tdm_error ret;
 782
 783         voutput_info = wl_resource_get_user_data(resource);
 784         TDM_RETURN_IF_FAIL(voutput_info != NULL);
 785         output = voutput_info->output;
 786
 787         ret = tdm_output_get_conn_status(output, &status);
 788         TDM_RETURN_IF_FAIL(ret == TDM_ERROR_NONE);
 789         TDM_RETURN_IF_FAIL(status != TDM_OUTPUT_CONN_STATUS_DISCONNECTED);
 790
 791         ret = tdm_output_get_available_modes(output, &modes, &count);
 792         TDM_RETURN_IF_FAIL(index < count);
 793
 794         mode = &modes[index];
 795         TDM_DBG("mode set request to index:%d (%dx%d, %d)", index, mode->hdisplay, mode->vdisplay, mode->vrefresh);
 796
 797         ret = tdm_output_set_mode(output, mode);
 798         TDM_RETURN_IF_FAIL(ret == TDM_ERROR_NONE);
 799
 800         tdm_output_request_mode_set(voutput_info->output, index);
 801 }
 802
 803 static void
 804 _tdm_voutput_cb_connect(struct wl_client *client, struct wl_resource *resource)
 805 {
 806         tdm_server_voutput_info *voutput_info;
 807
 808         voutput_info = wl_resource_get_user_data(resource);
 809         voutput_info->status = TDM_OUTPUT_CONN_STATUS_CONNECTED;
 810
 811         tdm_voutput_set_physical_size(voutput_info->voutput, voutput_info->mmwidth, voutput_info->mmheight);
 812         tdm_voutput_set_available_mode(voutput_info->voutput, voutput_info->available_modes.modes, voutput_info->available_modes.count);
 813         tdm_voutput_connect(voutput_info->voutput);
 814 }
 815
 816 static void
 817 _tdm_voutput_cb_disconnect(struct wl_client *client, struct wl_resource *resource)
 818 {
 819         tdm_server_voutput_info *voutput_info;
 820
 821         voutput_info = wl_resource_get_user_data(resource);
 822         voutput_info->status = TDM_OUTPUT_CONN_STATUS_DISCONNECTED;
 823
 824         /* Do free resources when it's being disconnected */
 825         free(voutput_info->available_modes.modes);
 826         voutput_info->available_modes.modes = NULL;
 827         voutput_info->available_modes.count = 0;
 828         voutput_info->mmwidth = 0;
 829         voutput_info->mmheight = 0;
 830
 831         tdm_voutput_disconnect(voutput_info->voutput);
 832 }
 833
 834 static void
 835 _tdm_voutput_cb_commit_done(struct wl_client *client, struct wl_resource *resource)
 836 {
 837         /* TODO */
 838 }
 839
 840 static const struct wl_tdm_voutput_interface tdm_voutput_implementation = {
 841         _tdm_voutput_cb_destroy,
 842         _tdm_voutput_cb_set_available_modes,
 843         _tdm_voutput_cb_set_physical_size,
 844         _tdm_voutput_cb_set_mode,
 845         _tdm_voutput_cb_connect,
 846         _tdm_voutput_cb_disconnect,
 847         _tdm_voutput_cb_commit_done
 848 };
 849
 850 void
 851 tdm_voutput_cb_resource_destroy(struct wl_resource *resource)
 852 {
 853         tdm_server_voutput_info *voutput_info = wl_resource_get_user_data(resource);
 854         tdm_voutput *voutput;
 855         tdm_error ret = TDM_ERROR_NONE;
 856
 857         TDM_RETURN_IF_FAIL(voutput_info != NULL);
 858
 859         voutput = voutput_info->voutput;
 860
 861         if (voutput)
 862                 ret = tdm_voutput_destroy(voutput);
 863         if (ret != TDM_ERROR_NONE)
 864                 TDM_ERR("_tdm_voutput_cb_destroy fail");
 865
 866         LIST_DEL(&voutput_info->link);
 867
 868         /* Do free your own resource */
 869         free(voutput_info);
 870 }
 871
 872 static void
 873 _tdm_server_cb_create_virtual_output(struct wl_client *client, struct wl_resource *resource, const char *name, uint32_t id)
 874 {
 875         struct wl_resource *voutput_resource = NULL;
 876         tdm_private_server *private_server = wl_resource_get_user_data(resource);
 877         tdm_server_voutput_info *voutput_info;
 878         tdm_voutput *voutput;
 879         tdm_output *output;
 880         tdm_error ret;
 881
 882         output = tdm_display_find_output(private_server->private_loop->dpy, name, NULL);
 883         if (output) {
 884                 TDM_ERR("There is '%s' output, cannot create.", name);
 885                 wl_resource_post_error(resource, WL_DISPLAY_ERROR_INVALID_OBJECT,
 886                                                            "There is '%s' output", name);
 887                 return;
 888         }
 889
 890         voutput = tdm_voutput_create(private_server->private_loop->dpy, name, &ret);
 891         if (!voutput) {
 892                 TDM_ERR("voutput creation fail(%s)(%d).", name, ret);
 893                 wl_resource_post_error(resource, WL_DISPLAY_ERROR_NO_MEMORY,
 894                                                            "%s output creation fail", name);
 895                 return;
 896         }
 897
 898         output = tdm_display_find_output(private_server->private_loop->dpy, name, NULL);
 899         if (!output) {
 900                 TDM_ERR("There is no '%s' output.", name);
 901                 wl_resource_post_error(resource, WL_DISPLAY_ERROR_INVALID_OBJECT,
 902                                                            "There is '%s' output", name);
 903                 return;
 904         }
 905
 906         voutput_resource =
 907                 wl_resource_create(client, &wl_tdm_voutput_interface,
 908                                                    wl_resource_get_version(resource), id);
 909         if (!voutput_resource) {
 910                 /* LCOV_EXCL_START */
 911
 912                 wl_resource_post_no_memory(resource);
 913                 TDM_ERR("wl_resource_create failed");
 914                 return;
 915
 916                 /* LCOV_EXCL_STOP */
 917         }
 918
 919         voutput_info = calloc(1, sizeof * voutput_info);
 920         if (!voutput_info) {
 921                 /* LCOV_EXCL_START */
 922
 923                 wl_resource_post_no_memory(resource);
 924                 wl_resource_destroy(voutput_resource);
 925                 TDM_ERR("alloc failed");
 926                 return;
 927
 928                 /* LCOV_EXCL_STOP */
 929         }
 930
 931         LIST_ADDTAIL(&voutput_info->link, &private_server->voutput_list);
 932         voutput_info->private_server = private_server;
 933         voutput_info->resource = voutput_resource;
 934         voutput_info->voutput = voutput;
 935         voutput_info->output = output;
 936
 937         wl_resource_set_implementation(voutput_resource,
 938                                                                    &tdm_voutput_implementation,
 939                                                                    voutput_info,
 940                                                                    tdm_voutput_cb_resource_destroy);
 941
 942         wl_tdm_voutput_send_ack_message(voutput_resource, WL_TDM_VOUTPUT_MESSAGE_ADDED);
 943 }
 944
 945 /* LCOV_EXCL_START */
 946 static void
 947 _tdm_server_cb_debug(struct wl_client *client, struct wl_resource *resource, const char *options)
 948 {
 949         tdm_private_server *private_server = wl_resource_get_user_data(resource);
 950         tdm_private_loop *private_loop = private_server->private_loop;
 951         char message[TDM_SERVER_REPLY_MSG_LEN];
 952         char *m;
 953         int len = sizeof(message), size;
 954         uid_t uid;
 955
 956         wl_client_get_credentials(client, NULL, &uid, NULL);
 957
 958         if (uid != 0) {
 959                 snprintf(message, len, "tdm-monitor: SHOULD be a superuser.\n");
 960                 TDM_ERR("%s", message);
 961         } else {
 962                 tdm_monitor_server_command(private_loop->dpy, options, message, &len);
 963         }
 964
 965         size = sizeof(message) - len;
 966         m = message;
 967
 968         wl_client_flush(client);
 969
 970         while (size > 0) {
 971                 char buffer[TDM_DEBUG_REPLY_MSG_LEN];
 972                 int copylen = TDM_MIN(size, sizeof(buffer) - 1);
 973
 974                 strncpy(buffer, m, copylen);
 975                 m += copylen;
 976                 size -= copylen;
 977
 978                 buffer[copylen] = '\0';
 979
 980                 wl_tdm_send_debug_message(resource, buffer);
 981         }
 982
 983         wl_tdm_send_debug_done(resource);
 984 }
 985 /* LCOV_EXCL_STOP */
 986
 987 static const struct wl_tdm_interface tdm_implementation = {
 988         _tdm_server_cb_debug,
 989         _tdm_server_cb_create_output,
 990         _tdm_server_cb_create_virtual_output
 991 };
 992
 993 static void
 994 destroy_client(struct wl_resource *resource)
 995 {
 996         tdm_server_client_info *c = NULL, *cc = NULL;
 997         struct wl_client *client;
 998
 999         client = wl_resource_get_client(resource);
1000         TDM_RETURN_IF_FAIL(client != NULL);
1001
1002         LIST_FOR_EACH_ENTRY_SAFE(c, cc, &client_list, link) {
1003                 if (c->resource == resource) {
1004                         LIST_DEL(&c->link);
1005                         free(c);
1006                         return;
1007                 }
1008         }
1009 }
1010
1011 static void
1012 _tdm_server_bind(struct wl_client *client, void *data,
1013                                  uint32_t version, uint32_t id)
1014 {
1015         struct wl_resource *resource;
1016         tdm_server_client_info *cinfo;
1017
1018         resource = wl_resource_create(client, &wl_tdm_interface, version, id);
1019         if (!resource) {
1020                 /* LCOV_EXCL_START */
1021
1022                 wl_client_post_no_memory(client);
1023                 return;
1024
1025                 /* LCOV_EXCL_STOP */
1026         }
1027
1028         cinfo = calloc(1, sizeof(tdm_server_client_info));
1029         if (!cinfo) {
1030                 /* LCOV_EXCL_START */
1031
1032                 wl_client_post_no_memory(client);
1033                 wl_resource_destroy(resource);
1034                 return;
1035
1036                 /* LCOV_EXCL_STOP */
1037         }
1038
1039         cinfo->resource = resource;
1040
1041         LIST_ADDTAIL(&cinfo->link, &client_list);
1042         wl_client_get_credentials(client, &cinfo->pid, NULL, NULL);
1043         _tdm_server_get_process_name(cinfo->pid, cinfo->name, TDM_NAME_LEN);
1044
1045         wl_resource_set_implementation(resource, &tdm_implementation, data, destroy_client);
1046 }
1047
1048 INTERN tdm_error
1049 tdm_server_init(tdm_private_loop *private_loop)
1050 {
1051         tdm_private_server *private_server;
1052
1053         TDM_RETURN_VAL_IF_FAIL(private_loop, TDM_ERROR_OPERATION_FAILED);
1054         TDM_RETURN_VAL_IF_FAIL(private_loop->wl_display, TDM_ERROR_OPERATION_FAILED);
1055
1056         if (private_loop->private_server)
1057                 return TDM_ERROR_NONE;
1058
1059         if (wl_display_add_socket(private_loop->wl_display, "tdm-socket")) {
1060                 /* LCOV_EXCL_START */
1061
1062                 TDM_ERR("createing a tdm-socket failed");
1063                 return TDM_ERROR_OPERATION_FAILED;
1064
1065                 /* LCOV_EXCL_STOP */
1066         }
1067
1068         private_server = calloc(1, sizeof * private_server);
1069         if (!private_server) {
1070                 TDM_ERR("alloc failed");
1071                 return TDM_ERROR_OUT_OF_MEMORY;
1072         }
1073
1074         LIST_INITHEAD(&private_server->output_list);
1075         LIST_INITHEAD(&private_server->voutput_list);
1076         LIST_INITHEAD(&private_server->wait_list);
1077
1078         if (!wl_global_create(private_loop->wl_display, &wl_tdm_interface, 1,
1079                                                   private_server, _tdm_server_bind)) {
1080                 /* LCOV_EXCL_START */
1081
1082                 TDM_ERR("creating a global resource failed");
1083                 free(private_server);
1084                 return TDM_ERROR_OUT_OF_MEMORY;
1085
1086                 /* LCOV_EXCL_STOP */
1087         }
1088
1089         private_server->private_loop = private_loop;
1090         private_loop->private_server = private_server;
1091         keep_private_server = private_server;
1092
1093         LIST_INITHEAD(&client_list);
1094
1095         return TDM_ERROR_NONE;
1096 }
1097
1098 INTERN void
1099 tdm_server_deinit(tdm_private_loop *private_loop)
1100 {
1101         tdm_server_output_info *o = NULL, *oo = NULL;
1102         tdm_server_voutput_info *vo = NULL, *voo = NULL;
1103         tdm_server_wait_info *w = NULL, *ww = NULL;
1104         tdm_server_client_info *c = NULL, *cc = NULL;
1105         tdm_private_server *private_server;
1106
1107         if (!private_loop->private_server)
1108                 return;
1109
1110         private_server = private_loop->private_server;
1111
1112         LIST_FOR_EACH_ENTRY_SAFE(w, ww, &private_server->wait_list, link) {
1113                 destroy_wait(w);
1114         }
1115
1116         LIST_FOR_EACH_ENTRY_SAFE(o, oo, &private_server->output_list, link) {
1117                 wl_resource_destroy(o->resource);
1118         }
1119
1120         LIST_FOR_EACH_ENTRY_SAFE(vo, voo, &private_server->voutput_list, link) {
1121                 wl_resource_destroy(vo->resource);
1122         }
1123
1124         LIST_FOR_EACH_ENTRY_SAFE(c, cc, &client_list, link) {
1125                 wl_resource_destroy(c->resource);
1126         }
1127
1128         free(private_server);
1129         private_loop->private_server = NULL;
1130         keep_private_server = NULL;
1131 }
1132
1133 /* LCOV_EXCL_START */
1134 INTERN const char*
1135 tdm_server_get_client_name(pid_t pid)
1136 {
1137         tdm_server_client_info *c = NULL;
1138
1139         LIST_FOR_EACH_ENTRY(c, &client_list, link) {
1140                 if (c->pid == pid)
1141                         return (const char*)c->name;
1142         }
1143
1144         return NULL;
1145 }
1146 /* LCOV_EXCL_STOP */
1147
1148 /* LCOV_EXCL_START */
1149 INTERN tdm_error
1150 tdm_server_enable_ttrace_client_vblank(tdm_display *dpy, tdm_output *output, int enable)
1151 {
1152         tdm_private_server *private_server = keep_private_server;
1153         tdm_server_output_info *output_info = NULL;
1154
1155         if (!keep_private_server)
1156                 return TDM_ERROR_NONE;
1157
1158         LIST_FOR_EACH_ENTRY(output_info, &private_server->output_list, link) {
1159                 tdm_server_vblank_info *vblank_info = NULL;
1160
1161                 if (output && output_info->output != output)
1162                         continue;
1163
1164                 LIST_FOR_EACH_ENTRY(vblank_info, &output_info->vblank_list, link) {
1165                         wl_tdm_vblank_send_ttrace(vblank_info->resource, enable);
1166                 }
1167         }
1168
1169         return TDM_ERROR_NONE;
1170 }
1171 /* LCOV_EXCL_STOP */