src/tdm_monitor_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 <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 <stdint.h>
  40
  41 #include "tdm.h"
  42 #include "tdm_private.h"
  43 #include "tdm_helper.h"
  44 #include "tdm_log.h"
  45
  46 #define TDM_DBG_SERVER_ARGS_MAX         32
  47
  48 static void _tdm_monitor_server_usage(char *app_name, char *reply, int *len);
  49
  50 static void
  51 _tdm_monitor_server_query(unsigned int pid, char *cwd, int argc, char *argv[], char *reply, int *len, tdm_display *dpy)
  52 {
  53         tdm_display_lock(dpy);
  54         tdm_helper_get_display_information(dpy, reply, len);
  55         tdm_display_unlock(dpy);
  56 }
  57
  58 static void
  59 _tdm_monitor_server_protocol_trace(unsigned int pid, char *cwd, int argc, char *argv[], char *reply, int *len, tdm_display *dpy)
  60 {
  61         int enable;
  62
  63         if (argc < 3) {
  64                 _tdm_monitor_server_usage(argv[0], reply, len);
  65                 return;
  66         }
  67
  68         enable = atoi(argv[2]);
  69
  70         tdm_event_loop_trace_enable(dpy, enable);
  71
  72         TDM_SNPRINTF(reply, len, "protocol trace: '%s'\n", (enable) ? "enabled" : "disabled");
  73 }
  74
  75 static void
  76 _tdm_monitor_server_dpms(unsigned int pid, char *cwd, int argc, char *argv[], char *reply, int *len, tdm_display *dpy)
  77 {
  78         tdm_output *output;
  79         int output_idx, dpms_value;
  80         char *arg;
  81         char *end;
  82         tdm_error ret;
  83
  84         if (argc < 3) {
  85                 _tdm_monitor_server_usage(argv[0], reply, len);
  86                 return;
  87         }
  88
  89         arg = argv[2];
  90         output_idx = strtol(arg, &end, 10);
  91         if (*end != ':') {
  92                 TDM_SNPRINTF(reply, len, "failed: no onoff value\n");
  93                 return;
  94         }
  95
  96         arg = end + 1;
  97         dpms_value = strtol(arg, &end, 10);
  98
  99         output = tdm_display_get_output(dpy, output_idx, &ret);
 100         TDM_DBG_RETURN_IF_FAIL(ret == TDM_ERROR_NONE && output != NULL);
 101
 102         ret = tdm_output_set_dpms(output, dpms_value);
 103         TDM_DBG_RETURN_IF_FAIL(ret == TDM_ERROR_NONE);
 104
 105         TDM_SNPRINTF(reply, len, "done: DPMS %s\n", tdm_dpms_str(dpms_value));
 106 }
 107
 108 static void
 109 _tdm_monitor_server_ttrace_vblank(unsigned int pid, char *cwd, int argc, char *argv[], char *reply, int *len, tdm_display *dpy)
 110 {
 111         int enable, output_id = 0;
 112         tdm_output *output;
 113         char *arg;
 114         char *end;
 115         tdm_error ret;
 116         tdm_output_type type;
 117
 118         if (argc < 3) {
 119                 _tdm_monitor_server_usage(argv[0], reply, len);
 120                 return;
 121         }
 122
 123         arg = argv[2];
 124         enable = strtol(arg, &end, 10);
 125
 126         if (*end == '@') {
 127                 arg = end + 1;
 128                 output_id = strtol(arg, &end, 10);
 129         }
 130
 131         output = tdm_display_get_output(dpy, output_id, NULL);
 132         if (!output) {
 133                 TDM_SNPRINTF(reply, len, "can't find the output_id(%d)\n", output_id);
 134                 return;
 135         }
 136
 137         ret = tdm_output_get_output_type(output, &type);
 138         if (ret != TDM_ERROR_NONE) {
 139                 TDM_SNPRINTF(reply, len, "can't find the type of output_id(%d)\n", output_id);
 140                 return;
 141         }
 142
 143         tdm_display_enable_ttrace_vblank(dpy, output, enable);
 144
 145         TDM_SNPRINTF(reply, len, "%s ttrace vblank for '%s'\n",
 146                                  (enable) ? "enable" : "disable", tdm_conn_str(type));
 147 }
 148
 149 static void
 150 _tdm_monitor_server_debug(unsigned int pid, char *cwd, int argc, char *argv[], char *reply, int *len, tdm_display *dpy)
 151 {
 152         int level;
 153         char *arg;
 154         char *end;
 155
 156         if (argc < 3) {
 157                 _tdm_monitor_server_usage(argv[0], reply, len);
 158                 return;
 159         }
 160
 161         arg = argv[2];
 162         level = strtol(arg, &end, 10);
 163
 164         tdm_log_set_debug_level(level);
 165         TDM_SNPRINTF(reply, len, "debug level: %d\n", level);
 166
 167         if (*end == '@') {
 168                 char *arg = end + 1;
 169
 170                 tdm_display_enable_debug_module((const char *)arg);
 171
 172                 TDM_SNPRINTF(reply, len, "debugging... '%s'\n", arg);
 173         }
 174 }
 175
 176 static void
 177 _tdm_monitor_server_log_path(unsigned int pid, char *cwd, int argc, char *argv[], char *reply, int *len, tdm_display *dpy)
 178 {
 179         static int old_stdout = -1;
 180         char fd_name[TDM_PATH_LEN];
 181         char *path;
 182
 183         if (argc < 3) {
 184                 _tdm_monitor_server_usage(argv[0], reply, len);
 185                 return;
 186         }
 187
 188         if (old_stdout == -1)
 189                 old_stdout = dup(STDOUT_FILENO);
 190
 191         path = argv[2];
 192         TDM_DBG_RETURN_IF_FAIL(path != NULL);
 193
 194         tdm_log_enable_dlog(0);
 195
 196         if (!strncmp(path, "dlog", 4)) {
 197                 tdm_log_enable_dlog(1);
 198                 goto done;
 199         } else if (!strncmp(path, "console", 7))
 200                 snprintf(fd_name, TDM_PATH_LEN, "/proc/%d/fd/1", pid);
 201         else {
 202                 if (path[0] == '/')
 203                         snprintf(fd_name, TDM_PATH_LEN, "%s", path);
 204                 else {
 205                         if (cwd)
 206                                 snprintf(fd_name, TDM_PATH_LEN, "%s/%s", cwd, path);
 207                         else
 208                                 snprintf(fd_name, TDM_PATH_LEN, "%s", path);
 209                 }
 210                 tdm_log_enable_color(0);
 211         }
 212
 213         if (tdm_display_enable_path((const char*)fd_name) != TDM_ERROR_NONE) {
 214                 TDM_SNPRINTF(reply, len, "failed: '%s'\n", path);
 215                 return;
 216         }
 217
 218 done:
 219         TDM_SNPRINTF(reply, len, "log path: '%s'\n", path);
 220 }
 221
 222 static void
 223 _tdm_monitor_server_commit_per_vblank(unsigned int pid, char *cwd, int argc, char *argv[], char *reply, int *len, tdm_display *dpy)
 224 {
 225         int enable;
 226         char *arg;
 227         char *end;
 228
 229         if (argc < 3) {
 230                 _tdm_monitor_server_usage(argv[0], reply, len);
 231                 return;
 232         }
 233
 234         arg = argv[2];
 235         enable = strtol(arg, &end, 10);
 236
 237         tdm_display_enable_commit_per_vblank(dpy, enable);
 238
 239         TDM_SNPRINTF(reply, len, "%s the commit-per-vblank\n", (enable) ? "enable" : "disable");
 240 }
 241
 242 static void
 243 _tdm_monitor_server_fps(unsigned int pid, char *cwd, int argc, char *argv[], char *reply, int *len, tdm_display *dpy)
 244 {
 245         int enable;
 246         char *arg;
 247         char *end;
 248
 249         if (argc < 3) {
 250                 _tdm_monitor_server_usage(argv[0], reply, len);
 251                 return;
 252         }
 253
 254         arg = argv[2];
 255         enable = strtol(arg, &end, 10);
 256
 257         tdm_display_enable_fps(dpy, enable);
 258
 259         TDM_SNPRINTF(reply, len, "%s to print fps\n", (enable) ? "enable" : "disable");
 260 }
 261
 262 static void
 263 _tdm_monitor_server_vblank_list(unsigned int pid, char *cwd, int argc, char *argv[],
 264                                                                 char *reply, int *len, tdm_display *dpy)
 265 {
 266         tdm_vblank_get_vblank_list_information(dpy, reply, len);
 267 }
 268
 269 static void
 270 _tdm_monitor_server_vblank_fps(unsigned int pid, char *cwd, int argc, char *argv[],
 271                                                            char *reply, int *len, tdm_display *dpy)
 272 {
 273         unsigned int target_pid, fps;
 274         char *arg;
 275         char *end;
 276         char name[TDM_NAME_LEN];
 277         tdm_error ret;
 278
 279         if (argc < 3) {
 280                 _tdm_monitor_server_usage(argv[0], reply, len);
 281                 return;
 282         }
 283
 284         arg = argv[2];
 285         target_pid = strtol(arg, &end, 10);
 286
 287         if (*end == ',') {
 288                 arg = end + 1;
 289                 end = strtostr(name, TDM_NAME_LEN, arg, TDM_DELIM);
 290         } else {
 291                 strncpy(name, TDM_VBLANK_DEFAULT_NAME, TDM_NAME_LEN - 1);
 292                 name[TDM_NAME_LEN - 1] = '\0';
 293         }
 294
 295         if (*end != '@') {
 296                 TDM_SNPRINTF(reply, len, "failed: no fps value\n");
 297                 return;
 298         }
 299
 300         arg = end + 1;
 301         fps = strtol(arg, &end, 10);
 302
 303         ret = tdm_vblank_set_client_vblank_fps(target_pid, name, fps);
 304         if (ret != TDM_ERROR_NONE) {
 305                 TDM_SNPRINTF(reply, len, "can't set '%u' fps to '%s' client vblank(PID:%u)\n", fps, name, target_pid);
 306                 return;
 307         }
 308
 309         TDM_SNPRINTF(reply, len, "success: '%u' fps for '%s' client vblank(PID:%u)\n", fps, name, target_pid);
 310 }
 311
 312 static void
 313 _tdm_monitor_server_global_fps(unsigned int pid, char *cwd, int argc, char *argv[],
 314                                                            char *reply, int *len, tdm_display *dpy)
 315 {
 316         unsigned int fps;
 317         char *arg;
 318         char *end;
 319         tdm_error ret;
 320
 321         if (argc < 3) {
 322                 _tdm_monitor_server_usage(argv[0], reply, len);
 323                 return;
 324         }
 325
 326         arg = argv[2];
 327         fps = strtol(arg, &end, 10);
 328
 329         if (fps > 0)
 330                 ret = tdm_vblank_enable_global_fps(1, fps);
 331         else
 332                 ret = tdm_vblank_enable_global_fps(0, 0);
 333
 334         if (ret != TDM_ERROR_NONE) {
 335                 TDM_SNPRINTF(reply, len, "can't set '%u' fps to global fps\n", fps);
 336                 return;
 337         }
 338
 339         TDM_SNPRINTF(reply, len, "success: '%u' global fps\n", fps);
 340 }
 341
 342 static void
 343 _tdm_monitor_server_prop(unsigned int pid, char *cwd, int argc, char *argv[], char *reply, int *len, tdm_display *dpy)
 344 {
 345         tdm_output *output;
 346         tdm_output *layer = NULL;
 347         int output_idx, layer_idx = -1;
 348         int cnt, i, done = 0;
 349         tdm_value value;
 350         char temp[TDM_PATH_LEN];
 351         char *prop_name;
 352         char *arg;
 353         char *end;
 354         tdm_error ret;
 355         const tdm_prop *props;
 356
 357         if (argc < 3) {
 358                 _tdm_monitor_server_usage(argv[0], reply, len);
 359                 return;
 360         }
 361
 362         snprintf(temp, TDM_PATH_LEN, "%s", argv[2]);
 363         arg = temp;
 364
 365         output_idx = strtol(arg, &end, 10);
 366         if (*end == ',') {
 367                 arg = end + 1;
 368                 layer_idx = strtol(arg, &end, 10);
 369         }
 370
 371         if (*end != ':') {
 372                 TDM_SNPRINTF(reply, len, "failed: no prop_name\n");
 373                 return;
 374         }
 375
 376         arg = end + 1;
 377         prop_name = strtok_r(arg, ",", &end);
 378         if (!prop_name) {
 379                 TDM_SNPRINTF(reply, len, "failed: get prop_name by strtok_r\n");
 380                 return;
 381         }
 382
 383         if (*end == '\0') {
 384                 TDM_SNPRINTF(reply, len, "failed: no value\n");
 385                 return;
 386         }
 387
 388         arg = strtok_r(NULL, TDM_DELIM, &end);
 389         if (!arg) {
 390                 TDM_SNPRINTF(reply, len, "failed: get arg by strtok_r\n");
 391                 return;
 392         }
 393         value.u32 = strtol(arg, &end, 10);
 394
 395         output = tdm_display_get_output(dpy, output_idx, &ret);
 396         TDM_DBG_RETURN_IF_FAIL(ret == TDM_ERROR_NONE && output != NULL);
 397
 398         if (layer_idx != -1) {
 399                 layer = tdm_output_get_layer(output, layer_idx, &ret);
 400                 TDM_DBG_RETURN_IF_FAIL(ret == TDM_ERROR_NONE && layer != NULL);
 401         }
 402
 403         if (layer) {
 404                 ret = tdm_layer_get_available_properties(layer, &props, &cnt);
 405                 TDM_DBG_RETURN_IF_FAIL(ret == TDM_ERROR_NONE);
 406
 407                 for (i = 0; i < cnt; i++) {
 408                         if (!strncmp(props[i].name, prop_name, TDM_NAME_LEN)) {
 409                                 ret = tdm_layer_set_property(layer, props[i].id, value);
 410                                 TDM_DBG_RETURN_IF_FAIL(ret == TDM_ERROR_NONE);
 411                                 done = 1;
 412                                 break;
 413                         }
 414                 }
 415         } else {
 416                 ret = tdm_output_get_available_properties(output, &props, &cnt);
 417                 TDM_DBG_RETURN_IF_FAIL(ret == TDM_ERROR_NONE);
 418
 419                 for (i = 0; i < cnt; i++) {
 420                         if (!strncmp(props[i].name, prop_name, TDM_NAME_LEN)) {
 421                                 ret = tdm_output_set_property(output, props[i].id, value);
 422                                 TDM_DBG_RETURN_IF_FAIL(ret == TDM_ERROR_NONE);
 423                                 done = 1;
 424                                 break;
 425                         }
 426                 }
 427         }
 428
 429         if (done)
 430                 TDM_SNPRINTF(reply, len, "done: %s:%d \n", prop_name, value.u32);
 431         else
 432                 TDM_SNPRINTF(reply, len, "no '%s' propperty \n", prop_name);
 433 }
 434
 435 static void
 436 _tdm_monitor_server_dump(unsigned int pid, char *cwd, int argc, char *argv[], char *reply, int *len, tdm_display *dpy)
 437 {
 438         if (argc < 3) {
 439                 _tdm_monitor_server_usage(argv[0], reply, len);
 440                 return;
 441         }
 442
 443         tdm_display_enable_dump(dpy, (const char*)argv[2], reply, len);
 444 }
 445
 446 static void
 447 _tdm_monitor_server_punch(unsigned int pid, char *cwd, int argc, char *argv[], char *reply, int *len, tdm_display *dpy)
 448 {
 449         char *arg, *end;
 450         unsigned int output_id, layer_id;
 451         tdm_output *output;
 452         tdm_layer *layer;
 453         tbm_surface_h buffer;
 454
 455         arg = argv[2];
 456
 457         output_id = strtol(arg, &end, 10);
 458         output = tdm_display_get_output(dpy, output_id, NULL);
 459         if (!output) {
 460                 TDM_SNPRINTF(reply, len, "not found output\n");
 461                 return;
 462         }
 463         if (*end != ',') {
 464                 TDM_SNPRINTF(reply, len, "not found ',<layer_idx>'\n");
 465                 return;
 466         }
 467
 468         arg = end + 1;
 469         layer_id = strtol(arg, &end, 10);
 470         layer = tdm_output_get_layer(output, layer_id, NULL);
 471         if (!layer) {
 472                 TDM_SNPRINTF(reply, len, "not found layer\n");
 473                 return;
 474         }
 475
 476         buffer = tdm_layer_get_displaying_buffer(layer, NULL);
 477         if (!buffer) {
 478                 TDM_SNPRINTF(reply, len, "not found buffer\n");
 479                 return;
 480         }
 481
 482         if (*end == ':') {
 483                 tdm_pos pos = {0,};
 484
 485                 arg = end + 1;
 486                 pos.w = strtol(arg, &end, 10);
 487                 TDM_EXIT_IF_FAIL(*end == 'x');
 488                 arg = end + 1;
 489                 pos.h = strtol(arg, &end, 10);
 490                 if (*end == '+') {
 491                         arg = end + 1;
 492                         pos.x = strtol(arg, &end, 10);
 493                         TDM_EXIT_IF_FAIL(*end == '+');
 494                         arg = end + 1;
 495                         pos.y = strtol(arg, &end, 10);
 496                 }
 497
 498                 tdm_helper_clear_buffer_pos(buffer, &pos);
 499         } else
 500                 tdm_helper_clear_buffer(buffer);
 501 }
 502
 503 static struct {
 504         const char *opt;
 505         void (*func)(unsigned int pid, char *cwd, int argc, char *argv[], char *reply, int *len, tdm_display *dpy);
 506         const char *desc;
 507         const char *arg;
 508         const char *ex;
 509 } option_proc[] = {
 510         {
 511                 "info", _tdm_monitor_server_query,
 512                 "show tdm output, layer information", NULL, NULL
 513         },
 514         {
 515                 "trace", _tdm_monitor_server_protocol_trace,
 516                 "enable/disable the wl protocol",
 517                 "<enable>",
 518                 "0 or 1"
 519         },
 520         {
 521                 "dpms", _tdm_monitor_server_dpms,
 522                 "set output dpms", "<output_idx>:<dpms>", "0:3 or 0:0"
 523         },
 524         {
 525                 "ttrace_vblank", _tdm_monitor_server_ttrace_vblank,
 526                 "enable/disable the vblank for ttrace [0:disable 1:enable]",
 527                 "<enable>[@<output_idx>]", "0 or 1"
 528         },
 529         {
 530                 "debug", _tdm_monitor_server_debug,
 531                 "set the debug level and modules(module: none, mutex, buffer, thread, vblank)",
 532                 "<level>[@<module1>[,<module2>]]",
 533                 NULL
 534         },
 535         {
 536                 "log_path", _tdm_monitor_server_log_path,
 537                 "set the log path (console,dlog,filepath)",
 538                 "<path>",
 539                 "console"
 540         },
 541         {
 542                 "commit_per_vblank", _tdm_monitor_server_commit_per_vblank,
 543                 "enable/disable the commit per vblank",
 544                 "<enable>",
 545                 "0 or 1"
 546         },
 547         {
 548                 "fps", _tdm_monitor_server_fps,
 549                 "enable/disable to print fps",
 550                 "<enable>",
 551                 "0 or 1"
 552         },
 553         {
 554                 "vblank_list", _tdm_monitor_server_vblank_list,
 555                 "print the client vblank list",
 556                 NULL,
 557                 NULL
 558         },
 559         {
 560                 "vblank_fps", _tdm_monitor_server_vblank_fps,
 561                 "set the client vblank fps for the given process ID and client vblank name",
 562                 "<pid>[,<vblank_name>]@<fps>",
 563                 NULL
 564         },
 565         {
 566                 "global_fps", _tdm_monitor_server_global_fps,
 567                 "set the global vblank fps for the entire system",
 568                 "<fps>",
 569                 NULL
 570         },
 571         {
 572                 "prop", _tdm_monitor_server_prop,
 573                 "set the property of a output or a layer",
 574                 "<output_idx>[,<layer_idx>]:<prop_name>,<value>",
 575                 NULL
 576         },
 577         {
 578                 "dump", _tdm_monitor_server_dump,
 579                 "dump buffers (type: none, layer, pp, capture, current)\n"
 580                 "\t\t  layer, pp, capture - start to dump buffers of layer, pp, capture\n"
 581                 "\t\t  none               - stop to dump buffers\n"
 582                 "\t\t  current            - dump the current buffer of all layers",
 583                 "<object_type1>[,<object_type2>[,...]][@<directory_path>]",
 584                 NULL
 585         },
 586         {
 587                 "punch", _tdm_monitor_server_punch,
 588                 "punch a layer",
 589                 "<output_idx>,<layer_idx>[:<w>x<h>[+<x>+<y>]]",
 590                 NULL
 591         },
 592 };
 593
 594 static void
 595 _tdm_monitor_server_usage(char *app_name, char *reply, int *len)
 596 {
 597         int opt_size = sizeof(option_proc) / sizeof(option_proc[0]);
 598         int i;
 599
 600         TDM_SNPRINTF(reply, len, "usage: %s \n\n", app_name);
 601
 602         for (i = 0; i < opt_size; i++) {
 603                 TDM_SNPRINTF(reply, len, "\t-%s\t%s\n", option_proc[i].opt, option_proc[i].desc);
 604                 if (option_proc[i].arg)
 605                         TDM_SNPRINTF(reply, len, "\t\t  %s\n", option_proc[i].arg);
 606                 if (option_proc[i].ex)
 607                         TDM_SNPRINTF(reply, len, "\t\t  ex) %s\n", option_proc[i].ex);
 608                 TDM_SNPRINTF(reply, len, "\n");
 609         }
 610 }
 611
 612 static void
 613 _tdm_monitor_server_command(unsigned int pid, char *cwd, tdm_display *dpy, int argc, char *argv[], char *reply, int *len)
 614 {
 615         int opt_size = sizeof(option_proc) / sizeof(option_proc[0]);
 616         int i;
 617
 618         if (argc < 2) {
 619                 _tdm_monitor_server_usage(argv[0], reply, len);
 620                 return;
 621         }
 622
 623         for (i = 0; i < opt_size; i++) {
 624                 if (argv[1][0] == '-' && !strncmp(argv[1] + 1, option_proc[i].opt, 32)) {
 625                         if (option_proc[i].func) {
 626                                 option_proc[i].func(pid, cwd, argc, argv, reply, len, dpy);
 627                                 return;
 628                         } else {
 629                                 TDM_SNPRINTF(reply, len, "'%s' not implemented.\n", argv[1]);
 630                                 return;
 631                         }
 632                 }
 633         }
 634
 635         _tdm_monitor_server_usage(argv[0], reply, len);
 636         return;
 637 }
 638
 639
 640 INTERN void
 641 tdm_monitor_server_command(tdm_display *dpy, const char *options, char *reply, int *len)
 642 {
 643         unsigned int pid;
 644         char cwd[1024];
 645         int argc = 0;
 646         char *argv[TDM_DBG_SERVER_ARGS_MAX] = {0,};
 647         char temp[1024];
 648         char *arg;
 649         char *end = NULL, *e;
 650
 651         snprintf(temp, sizeof(temp), "%s", options);
 652
 653         arg = strtok_r(temp, " ", &end);
 654         if (!arg) {
 655                 TDM_SNPRINTF(reply, len, "no pid for tdm-monitor");
 656                 return;
 657         }
 658         pid = strtol(arg, &e, 10);
 659
 660         arg = strtok_r(NULL, " ", &end);
 661         if (!arg) {
 662                 TDM_SNPRINTF(reply, len, "no cwd for tdm-monitor");
 663                 return;
 664         }
 665         snprintf(cwd, sizeof(cwd), "%s", arg);
 666
 667         TDM_DBG("pid(%d) cwd(%s)", pid, cwd);
 668
 669         argv[argc] = strtok_r(NULL, " ", &end);
 670         while (argv[argc]) {
 671                 argc++;
 672                 if (argc == TDM_DBG_SERVER_ARGS_MAX) {
 673                         TDM_SNPRINTF(reply, len, "too many arguments for tdm-monitor");
 674                         break;
 675                 }
 676                 argv[argc] = strtok_r(NULL, " ", &end);
 677         }
 678
 679         _tdm_monitor_server_command(pid, cwd, dpy, argc, argv, reply, len);
 680 }