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