tools/tdm_test_client.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 <sc1.lim@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 #include <stdio.h>
  37 #include <string.h>
  38 #include <stdlib.h>
  39 #include <poll.h>
  40 #include <errno.h>
  41 #include <time.h>
  42 #include <stdint.h>
  43
  44 #include <tdm_client.h>
  45 #include "tdm_macro.h"
  46
  47 typedef struct _tdm_test_client_arg {
  48         char *output_name;
  49         int fps;
  50         int sync;
  51         int interval;
  52         int offset;
  53         int enable_fake;
  54         int pid;
  55         char *vblank_name;
  56 } tdm_test_client_arg;
  57
  58 typedef struct _tdm_test_client {
  59         tdm_test_client_arg args;
  60
  61         int do_query;
  62         int do_vblank;
  63         int do_set_fps;
  64         int waiting;
  65
  66         tdm_client *client;
  67 } tdm_test_client;
  68
  69 struct typestrings {
  70         int type;
  71         const char *string;
  72 };
  73
  74 struct optstrings {
  75         int  type;
  76         const char *opt;
  77         const char *desc;
  78         const char *arg;
  79         const char *ex;
  80 };
  81
  82 enum {
  83         OPT_QRY,
  84         OPT_TST,
  85         OPT_GNR,
  86 };
  87
  88 static struct typestrings typestrs[] = {
  89         {OPT_QRY, "Query"},
  90         {OPT_TST, "Test"},
  91         {OPT_GNR, "General"},
  92 };
  93
  94 static struct optstrings optstrs[] = {
  95         {OPT_QRY, "qo", "output objects info", "<output_name>", "primary"},
  96         {OPT_TST, "v", "vblank test", "<output_name>[,<sync>][@<fps>][~<interval>][+<offset>][*fake][^vblank_name]", "primary,0@60~1+0*1^test"},
  97         {OPT_TST, "f", "fps setting test", "<pid>[,<vblank_name>]@<fps>", "<pid>@60"},
  98 };
  99
 100 static void
 101 usage(char *app_name)
 102 {
 103         int type_size = sizeof(typestrs) / sizeof(struct typestrings);
 104         int opt_size = sizeof(optstrs) / sizeof(struct optstrings);
 105         int t;
 106
 107         printf("usage: %s \n\n", app_name);
 108
 109         for (t = 0; t < type_size; t++) {
 110                 int o, f = 1;
 111
 112                 for (o = 0; o < opt_size; o++)
 113                         if (optstrs[o].type == typestrs[t].type) {
 114                                 if (f == 1)
 115                                         printf(" %s options:\n\n", typestrs[t].string);
 116                                 printf("\t-%s\t%s\n", optstrs[o].opt, optstrs[o].desc);
 117                                 if (optstrs[o].arg)
 118                                         printf("\t\t  %s\n", optstrs[o].arg);
 119                                 if (optstrs[o].ex)
 120                                         printf("\t\t  ex) %s\n", optstrs[o].ex);
 121                                 f = 0;
 122                         }
 123                 printf("\n");
 124         }
 125
 126         exit(0);
 127 }
 128
 129 //"<output_name>"
 130 static void
 131 parse_arg_qo(tdm_test_client *data, char *arg)
 132 {
 133         char name[TDM_NAME_LEN];
 134         strtostr(name, TDM_NAME_LEN, arg, TDM_DELIM);
 135         data->args.output_name = strndup(name, TDM_NAME_LEN);
 136 }
 137
 138 //"<output_name>[,<sync>][@<fps>][~<interval>][+<offset>][*fake]"
 139 static void
 140 parse_arg_v(tdm_test_client *data, char *arg)
 141 {
 142         char *end = arg;
 143         char name[TDM_NAME_LEN];
 144
 145         end = strtostr(name, TDM_NAME_LEN, arg, TDM_DELIM);
 146         data->args.output_name = strndup(name, TDM_NAME_LEN);
 147
 148         if (*end == ',') {
 149                 arg = end + 1;
 150                 data->args.sync = strtol(arg, &end, 10);
 151         }
 152
 153         if (*end == '@') {
 154                 arg = end + 1;
 155                 data->args.fps = strtol(arg, &end, 10);
 156         }
 157
 158         if (*end == '~') {
 159                 arg = end + 1;
 160                 data->args.interval = strtol(arg, &end, 10);
 161         }
 162
 163         if (*end == '+' || *end == '-') {
 164                 arg = end;
 165                 data->args.offset = strtol(arg, &end, 10);
 166         }
 167
 168         if (*end == '*') {
 169                 arg = end + 1;
 170                 data->args.enable_fake = strtol(arg, &end, 10);
 171         }
 172
 173         if (*end == '^') {
 174                 char name[TDM_NAME_LEN];
 175                 arg = end + 1;
 176                 end = strtostr(name, TDM_NAME_LEN, arg, TDM_DELIM);
 177                 data->args.vblank_name = strndup(name, TDM_NAME_LEN);
 178         }
 179 }
 180
 181 //"<pid>@<fps>"
 182 static void
 183 parse_arg_f(tdm_test_client *data, char *arg)
 184 {
 185         char *end = arg;
 186
 187         data->args.pid = strtol(arg, &end, 10);
 188
 189         if (*end == ',') {
 190                 char name[TDM_NAME_LEN];
 191                 arg = end + 1;
 192                 end = strtostr(name, TDM_NAME_LEN, arg, TDM_DELIM);
 193                 data->args.vblank_name = strndup(name, TDM_NAME_LEN);
 194         }
 195
 196         if (*end != '@') {
 197                 printf("failed: no fps value\n");
 198                 exit(0);
 199         }
 200
 201         arg = end + 1;
 202         data->args.fps = strtol(arg, &end, 10);
 203 }
 204
 205 static void
 206 parse_args(tdm_test_client *data, int argc, char *argv[])
 207 {
 208         int i;
 209
 210         if (argc < 3) {
 211                 usage(argv[0]);
 212                 exit(0);
 213         }
 214
 215         memset(data, 0, sizeof *data);
 216         data->args.interval = 1;
 217
 218         for (i = 1; i < argc; i++) {
 219                 if (!strncmp(argv[i] + 1, "qo", 2)) {
 220                         data->do_query = 1;
 221                         parse_arg_qo(data, argv[++i]);
 222                 } else if (!strncmp(argv[i] + 1, "v", 1)) {
 223                         data->do_vblank = 1;
 224                         parse_arg_v(data, argv[++i]);
 225                 } else if (!strncmp(argv[i] + 1, "f", 1)) {
 226                         data->do_set_fps = 1;
 227                         parse_arg_f(data, argv[++i]);
 228                 } else {
 229                         usage(argv[0]);
 230                         exit(0);
 231                 }
 232         }
 233 }
 234
 235 static double
 236 get_time(void)
 237 {
 238         struct timespec tp;
 239
 240         if (clock_gettime(CLOCK_MONOTONIC, &tp) == 0)
 241                 return (double)tp.tv_sec + ((double)tp.tv_nsec) / 1000000000.0;
 242
 243         return 0;
 244 }
 245
 246 static void
 247 _client_vblank_handler(tdm_client_vblank *vblank, tdm_error error, unsigned int sequence,
 248                                            unsigned int tv_sec, unsigned int tv_usec, void *user_data)
 249 {
 250         tdm_test_client *data = user_data;
 251         double cur, vbl;
 252         static double p_vbl = 0;
 253
 254         data->waiting = 0;
 255
 256         if (error == TDM_ERROR_DPMS_OFF) {
 257                 printf("exit: dpms off\n");
 258                 exit(0);
 259         }
 260
 261         if (error != TDM_ERROR_NONE) {
 262                 printf("exit: error(%d)\n", error);
 263                 exit(0);
 264         }
 265
 266         cur = get_time();
 267         vbl = (double)tv_sec + ((double)tv_usec) / 1000000.0;
 268
 269         printf("vblank              : %.6f us vbl(%.6f)\n", vbl - p_vbl, vbl);
 270
 271         if (cur - vbl > 0.002) /* 2ms */
 272                 printf("kernel -> tdm-client: %.0f us\n", (cur - vbl) * 1000000.0);
 273
 274         p_vbl = vbl;
 275 }
 276
 277 static char *conn_str[3] = {"disconnected", "connected", "mode_setted"};
 278 static char *dpms_str[4] = {"on", "standy", "suspend", "off"};
 279
 280 static void
 281 _client_output_handler(tdm_client_output *output, tdm_output_change_type type,
 282                                            tdm_value value, void *user_data)
 283 {
 284         if (type == TDM_OUTPUT_CHANGE_CONNECTION)
 285                 printf("output %s.\n", conn_str[value.u32]);
 286         else if (type == TDM_OUTPUT_CHANGE_DPMS)
 287                 printf("dpms %s.\n", dpms_str[value.u32]);
 288 }
 289
 290 static void
 291 do_query(tdm_test_client *data)
 292 {
 293         tdm_client_output *output;
 294         tdm_output_conn_status status;
 295         tdm_output_dpms dpms;
 296         unsigned int refresh;
 297         tdm_error error;
 298
 299         output = tdm_client_get_output(data->client, NULL, &error);
 300         if (error != TDM_ERROR_NONE) {
 301                 printf("tdm_client_get_output failed\n");
 302                 return;
 303         }
 304
 305         tdm_client_output_get_conn_status(output, &status);
 306         tdm_client_output_get_dpms(output, &dpms);
 307         tdm_client_output_get_refresh_rate(output, &refresh);
 308
 309         printf("tdm_output \"%s\"\n", data->args.output_name);
 310         printf("\tstatus : %s\n", conn_str[status]);
 311         printf("\tdpms : %s\n", dpms_str[dpms]);
 312         printf("\trefresh : %d\n", refresh);
 313 }
 314
 315 static void
 316 do_vblank(tdm_test_client *data)
 317 {
 318         tdm_client_output *output;
 319         tdm_client_vblank *vblank = NULL;
 320         tdm_error error;
 321         int fd = -1;
 322         struct pollfd fds;
 323
 324         output = tdm_client_get_output(data->client, data->args.output_name, &error);
 325         if (error != TDM_ERROR_NONE) {
 326                 printf("tdm_client_get_output failed\n");
 327                 return;
 328         }
 329
 330         tdm_client_output_add_change_handler(output, _client_output_handler, NULL);
 331
 332         vblank = tdm_client_output_create_vblank(output, &error);
 333         if (error != TDM_ERROR_NONE) {
 334                 printf("tdm_client_output_create_vblank failed\n");
 335                 return;
 336         }
 337
 338         tdm_client_vblank_set_name(vblank, data->args.vblank_name);
 339         tdm_client_vblank_set_enable_fake(vblank, data->args.enable_fake);
 340         tdm_client_vblank_set_sync(vblank, data->args.sync);
 341         if (data->args.fps > 0)
 342                 tdm_client_vblank_set_fps(vblank, data->args.fps);
 343         tdm_client_vblank_set_offset(vblank, data->args.offset);
 344
 345         error = tdm_client_get_fd(data->client, &fd);
 346         if (error != TDM_ERROR_NONE || fd < 0) {
 347                 printf("tdm_client_get_fd failed\n");
 348                 goto done;
 349         }
 350
 351         fds.events = POLLIN;
 352         fds.fd = fd;
 353         fds.revents = 0;
 354
 355         while (1) {
 356                 int ret;
 357
 358                 if (!data->waiting) {
 359                         error = tdm_client_vblank_wait(vblank, data->args.interval,
 360                                                                                    _client_vblank_handler, data);
 361                         if (error == TDM_ERROR_DPMS_OFF) {
 362                                 printf("tdm_client_vblank_wait failed (dpms off)\n");
 363                                 goto done;
 364                         }
 365                         if (error != TDM_ERROR_NONE) {
 366                                 printf("tdm_client_vblank_wait failed (error: %d)\n", error);
 367                                 goto done;
 368                         }
 369                         data->waiting = 1;
 370                 }
 371
 372                 if (!data->args.sync) {
 373                         ret = poll(&fds, 1, -1);
 374                         if (ret < 0) {
 375                                 if (errno == EINTR || errno == EAGAIN)  /* normal case */
 376                                         continue;
 377                                 else {
 378                                         printf("poll failed: %m\n");
 379                                         goto done;
 380                                 }
 381                         }
 382
 383                         error = tdm_client_handle_events(data->client);
 384                         if (error != TDM_ERROR_NONE) {
 385                                 printf("tdm_client_handle_events failed\n");
 386                                 goto done;
 387                         }
 388                 }
 389         }
 390
 391 done:
 392         if (vblank)
 393                 tdm_client_vblank_destroy(vblank);
 394 }
 395
 396 static void
 397 do_set_fps(tdm_test_client *data)
 398 {
 399         tdm_error error;
 400
 401         error = tdm_client_set_client_vblank_fps(data->client, data->args.pid, data->args.vblank_name, data->args.fps);
 402         if (error != TDM_ERROR_NONE) {
 403                 printf("tdm_client_set_client_vblank_fps failed\n");
 404                 return;
 405         }
 406 }
 407
 408 static tdm_test_client ttc_data;
 409
 410 int
 411 main(int argc, char *argv[])
 412 {
 413         tdm_test_client *data = &ttc_data;
 414         tdm_error error;
 415
 416 #if 1 /* for testing */
 417         const char *xdg = (const char*)getenv("XDG_RUNTIME_DIR");
 418         if (!xdg) {
 419                 char buf[32];
 420                 snprintf(buf, sizeof(buf), "/run");
 421                 int ret = setenv("XDG_RUNTIME_DIR", (const char*)buf, 1);
 422                 if (ret != 0)
 423                         exit(0);
 424         }
 425 #endif
 426
 427         parse_args(data, argc, argv);
 428
 429         printf("sync(%d) fps(%d) interval(%d) offset(%d) enable_fake(%d) pid(%d)\n",
 430                    data->args.sync, data->args.fps, data->args.interval,
 431                    data->args.offset, data->args.enable_fake, data->args.pid);
 432
 433         data->client = tdm_client_create(&error);
 434         if (error != TDM_ERROR_NONE) {
 435                 printf("tdm_client_create failed\n");
 436                 goto done;
 437         }
 438
 439         if (data->do_query)
 440                 do_query(data);
 441         if (data->do_vblank)
 442                 do_vblank(data);
 443         if (data->do_set_fps)
 444                 do_set_fps(data);
 445
 446 done:
 447         if (data->args.output_name)
 448                 free(data->args.output_name);
 449         if (data->args.vblank_name)
 450                 free(data->args.vblank_name);
 451         if (data->client)
 452                 tdm_client_destroy(data->client);
 453
 454         return 0;
 455 }