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[512];
  49         int fps;
  50         int sync;
  51         int interval;
  52         int offset;
  53         int enable_fake;
  54 } tdm_test_client_arg;
  55
  56 typedef struct _tdm_test_client {
  57         tdm_test_client_arg args;
  58
  59         int do_query;
  60         int do_vblank;
  61         int waiting;
  62
  63         tdm_client *client;
  64 } tdm_test_client;
  65
  66 struct typestrings {
  67         int type;
  68         const char *string;
  69 };
  70
  71 struct optstrings {
  72         int  type;
  73         const char *opt;
  74         const char *desc;
  75         const char *arg;
  76         const char *ex;
  77 };
  78
  79 enum {
  80         OPT_QRY,
  81         OPT_TST,
  82         OPT_GNR,
  83 };
  84
  85 static struct typestrings typestrs[] = {
  86         {OPT_QRY, "Query"},
  87         {OPT_TST, "Test"},
  88         {OPT_GNR, "General"},
  89 };
  90
  91 static struct optstrings optstrs[] = {
  92         {OPT_QRY, "qo", "output objects info", "<output_name>", "primary"},
  93         {OPT_TST, "v", "vblank test", "<output_name>[,<sync>][@<fps>][~<interval>][+<offset>][*fake]", "primary,0@60~1+0*1"},
  94 };
  95
  96 static void
  97 usage(char *app_name)
  98 {
  99         int type_size = sizeof(typestrs) / sizeof(struct typestrings);
 100         int opt_size = sizeof(optstrs) / sizeof(struct optstrings);
 101         int t;
 102
 103         printf("usage: %s \n\n", app_name);
 104
 105         for (t = 0; t < type_size; t++) {
 106                 int o, f = 1;
 107
 108                 for (o = 0; o < opt_size; o++)
 109                         if (optstrs[o].type == typestrs[t].type) {
 110                                 if (f == 1)
 111                                         printf(" %s options:\n\n", typestrs[t].string);
 112                                 printf("\t-%s\t%s\n", optstrs[o].opt, optstrs[o].desc);
 113                                 if (optstrs[o].arg)
 114                                         printf("\t\t  %s\n", optstrs[o].arg);
 115                                 if (optstrs[o].ex)
 116                                         printf("\t\t  ex) %s\n", optstrs[o].ex);
 117                                 f = 0;
 118                         }
 119                 printf("\n");
 120         }
 121
 122         exit(0);
 123 }
 124
 125 //"<output_name>"
 126 static void
 127 parse_arg_qo(tdm_test_client *data, char *arg)
 128 {
 129         strtostr(data->args.output_name, 512, arg, TDM_DELIM);
 130 }
 131
 132 //"<output_name>[,<sync>][@<fps>][~<interval>][+<offset>][*fake]"
 133 static void
 134 parse_arg_v(tdm_test_client *data, char *arg)
 135 {
 136         char *end = arg;
 137
 138         end = strtostr(data->args.output_name, 512, arg, TDM_DELIM);
 139
 140         if (*end == ',') {
 141                 arg = end + 1;
 142                 data->args.sync = strtol(arg, &end, 10);
 143         }
 144
 145         if (*end == '@') {
 146                 arg = end + 1;
 147                 data->args.fps = strtol(arg, &end, 10);
 148         }
 149
 150         if (*end == '~') {
 151                 arg = end + 1;
 152                 data->args.interval = strtol(arg, &end, 10);
 153         }
 154
 155         if (*end == '+' || *end == '-') {
 156                 arg = end;
 157                 data->args.offset = strtol(arg, &end, 10);
 158         }
 159
 160         if (*end == '*') {
 161                 arg = end + 1;
 162                 data->args.enable_fake = strtol(arg, &end, 10);
 163         }
 164 }
 165
 166 static void
 167 parse_args(tdm_test_client *data, int argc, char *argv[])
 168 {
 169         int i;
 170
 171         if (argc < 3) {
 172                 usage(argv[0]);
 173                 exit(0);
 174         }
 175
 176         memset(data, 0, sizeof *data);
 177         data->args.interval = 1;
 178
 179         for (i = 1; i < argc; i++) {
 180                 if (!strncmp(argv[i]+1, "qo", 2)) {
 181                         data->do_query = 1;
 182                         parse_arg_qo(data, argv[++i]);
 183                 } else if (!strncmp(argv[i]+1, "v", 1)) {
 184                         data->do_vblank = 1;
 185                         parse_arg_v(data, argv[++i]);
 186                 } else {
 187                         usage(argv[0]);
 188                         exit(0);
 189                 }
 190         }
 191 }
 192
 193 static double
 194 get_time(void)
 195 {
 196         struct timespec tp;
 197
 198         if (clock_gettime(CLOCK_MONOTONIC, &tp) == 0)
 199                 return (double)tp.tv_sec + ((double)tp.tv_nsec) / 1000000000.0;
 200
 201         return 0;
 202 }
 203
 204 static void
 205 _client_vblank_handler(tdm_client_vblank *vblank, tdm_error error, unsigned int sequence,
 206                                            unsigned int tv_sec, unsigned int tv_usec, void *user_data)
 207 {
 208         tdm_test_client *data = user_data;
 209         double cur, vbl;
 210         static double p_vbl = 0;
 211
 212         data->waiting = 0;
 213
 214         if (error == TDM_ERROR_DPMS_OFF) {
 215                 printf("exit: dpms off\n");
 216                 exit(0);
 217         }
 218
 219         if (error != TDM_ERROR_NONE) {
 220                 printf("exit: error(%d)\n", error);
 221                 exit(0);
 222         }
 223
 224         cur = get_time();
 225         vbl = (double)tv_sec + ((double)tv_usec) / 1000000.0;
 226
 227         printf("vblank              : %.6f us vbl(%.6f)\n", vbl - p_vbl, vbl);
 228
 229         if (cur - vbl > 0.002) /* 2ms */
 230                 printf("kernel -> tdm-client: %.0f us\n", (cur - vbl) * 1000000.0);
 231
 232         p_vbl = vbl;
 233 }
 234
 235 static char *conn_str[3] = {"disconnected", "connected", "mode_setted"};
 236 static char *dpms_str[4] = {"on", "standy", "suspend", "off"};
 237
 238 static void
 239 _client_output_handler(tdm_client_output *output, tdm_output_change_type type,
 240                                            tdm_value value, void *user_data)
 241 {
 242         if (type == TDM_OUTPUT_CHANGE_CONNECTION)
 243                 printf("output %s.\n", conn_str[value.u32]);
 244         else if (type == TDM_OUTPUT_CHANGE_DPMS)
 245                 printf("dpms %s.\n", dpms_str[value.u32]);
 246 }
 247
 248 static void
 249 do_query(tdm_test_client *data)
 250 {
 251         tdm_client_output *output;
 252         tdm_output_conn_status status;
 253         tdm_output_dpms dpms;
 254         unsigned int refresh;
 255         tdm_error error;
 256
 257         output = tdm_client_get_output(data->client, NULL, &error);
 258         if (error != TDM_ERROR_NONE) {
 259                 printf("tdm_client_get_output failed\n");
 260                 return;
 261         }
 262
 263         tdm_client_output_get_conn_status(output, &status);
 264         tdm_client_output_get_dpms(output, &dpms);
 265         tdm_client_output_get_refresh_rate(output, &refresh);
 266
 267         printf("tdm_output \"%s\"\n", data->args.output_name);
 268         printf("\tstatus : %s\n", conn_str[status]);
 269         printf("\tdpms : %s\n", dpms_str[dpms]);
 270         printf("\trefresh : %d\n", refresh);
 271 }
 272
 273 static void
 274 do_vblank(tdm_test_client *data)
 275 {
 276         tdm_client_output *output;
 277         tdm_client_vblank *vblank = NULL;
 278         tdm_error error;
 279         int fd = -1;
 280         struct pollfd fds;
 281
 282         output = tdm_client_get_output(data->client, data->args.output_name, &error);
 283         if (error != TDM_ERROR_NONE) {
 284                 printf("tdm_client_get_output failed\n");
 285                 return;
 286         }
 287
 288         tdm_client_output_add_change_handler(output, _client_output_handler, NULL);
 289
 290         vblank = tdm_client_output_create_vblank(output, &error);
 291         if (error != TDM_ERROR_NONE) {
 292                 printf("tdm_client_output_create_vblank failed\n");
 293                 return;
 294         }
 295
 296         tdm_client_vblank_set_enable_fake(vblank, data->args.enable_fake);
 297         tdm_client_vblank_set_sync(vblank, data->args.sync);
 298         if (data->args.fps > 0)
 299                 tdm_client_vblank_set_fps(vblank, data->args.fps);
 300         tdm_client_vblank_set_offset(vblank, data->args.offset);
 301
 302         error = tdm_client_get_fd(data->client, &fd);
 303         if (error != TDM_ERROR_NONE || fd < 0) {
 304                 printf("tdm_client_get_fd failed\n");
 305                 goto done;
 306         }
 307
 308         fds.events = POLLIN;
 309         fds.fd = fd;
 310         fds.revents = 0;
 311
 312         while (1) {
 313                 int ret;
 314
 315                 if (!data->waiting) {
 316                         error = tdm_client_vblank_wait(vblank, data->args.interval,
 317                                                                                    _client_vblank_handler, data);
 318                         if (error == TDM_ERROR_DPMS_OFF) {
 319                                 printf("tdm_client_vblank_wait failed (dpms off)\n");
 320                                 goto done;
 321                         }
 322                         if (error != TDM_ERROR_NONE) {
 323                                 printf("tdm_client_vblank_wait failed (error: %d)\n", error);
 324                                 goto done;
 325                         }
 326                         data->waiting = 1;
 327                 }
 328
 329                 if (!data->args.sync) {
 330                         ret = poll(&fds, 1, -1);
 331                         if (ret < 0) {
 332                                 if (errno == EINTR || errno == EAGAIN)  /* normal case */
 333                                         continue;
 334                                 else {
 335                                         printf("poll failed: %m\n");
 336                                         goto done;
 337                                 }
 338                         }
 339
 340                         error = tdm_client_handle_events(data->client);
 341                         if (error != TDM_ERROR_NONE) {
 342                                 printf("tdm_client_handle_events failed\n");
 343                                 goto done;
 344                         }
 345                 }
 346         }
 347
 348 done:
 349         if (vblank)
 350                 tdm_client_vblank_destroy(vblank);
 351 }
 352
 353 static tdm_test_client ttc_data;
 354
 355 int
 356 main(int argc, char *argv[])
 357 {
 358         tdm_test_client *data = &ttc_data;
 359         tdm_error error;
 360
 361 #if 1 /* for testing */
 362         const char *xdg = (const char*)getenv("XDG_RUNTIME_DIR");
 363         if (!xdg) {
 364                 char buf[32];
 365                 snprintf(buf, sizeof(buf), "/run");
 366                 int ret = setenv("XDG_RUNTIME_DIR", (const char*)buf, 1);
 367                 if (ret != 0)
 368                         exit(0);
 369         }
 370 #endif
 371
 372         parse_args(data, argc, argv);
 373
 374         printf("sync(%d) fps(%d) interval(%d) offset(%d) enable_fake(%d)\n",
 375                    data->args.sync, data->args.fps, data->args.interval,
 376                    data->args.offset, data->args.enable_fake);
 377
 378         data->client = tdm_client_create(&error);
 379         if (error != TDM_ERROR_NONE) {
 380                 printf("tdm_client_create failed\n");
 381                 goto done;
 382         }
 383
 384         if (data->do_query)
 385                 do_query(data);
 386         if (data->do_vblank)
 387                 do_vblank(data);
 388
 389 done:
 390         if (data->client)
 391                 tdm_client_destroy(data->client);
 392
 393         return 0;
 394 }