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_helper_get_display_information(dpy, reply, len);
  54 }
  55
  56 static void
  57 _tdm_monitor_server_dpms(unsigned int pid, char *cwd, int argc, char *argv[], char *reply, int *len, tdm_display *dpy)
  58 {
  59         tdm_output *output;
  60         int output_idx, dpms_value;
  61         char *arg;
  62         char *end;
  63         tdm_error ret;
  64
  65         if (argc < 3) {
  66                 _tdm_monitor_server_usage(argv[0], reply, len);
  67                 return;
  68         }
  69
  70         arg = argv[2];
  71         output_idx = strtol(arg, &end, 10);
  72         if (*end != ':') {
  73                 TDM_SNPRINTF(reply, len, "failed: no onoff value\n");
  74                 return;
  75         }
  76
  77         arg = end + 1;
  78         dpms_value = strtol(arg, &end, 10);
  79
  80         output = tdm_display_get_output(dpy, output_idx, &ret);
  81         TDM_DBG_RETURN_IF_FAIL(ret == TDM_ERROR_NONE && output != NULL);
  82
  83         ret = tdm_output_set_dpms(output, dpms_value);
  84         TDM_DBG_RETURN_IF_FAIL(ret == TDM_ERROR_NONE);
  85
  86         TDM_SNPRINTF(reply, len, "done: DPMS %s\n", tdm_dpms_str(dpms_value));
  87 }
  88
  89 static void
  90 _tdm_monitor_server_ttrace_vblank(unsigned int pid, char *cwd, int argc, char *argv[], char *reply, int *len, tdm_display *dpy)
  91 {
  92         int enable, output_id = 0;
  93         tdm_output *output;
  94         char *arg;
  95         char *end;
  96         tdm_error ret;
  97         tdm_output_type type;
  98
  99         if (argc < 3) {
 100                 _tdm_monitor_server_usage(argv[0], reply, len);
 101                 return;
 102         }
 103
 104         arg = argv[2];
 105         enable = strtol(arg, &end, 10);
 106
 107         if (*end == '@') {
 108                 arg = end + 1;
 109                 output_id = strtol(arg, &end, 10);
 110         }
 111
 112         output = tdm_display_get_output(dpy, output_id, NULL);
 113         if (!output) {
 114                 TDM_SNPRINTF(reply, len, "can't find the output_id(%d)\n", output_id);
 115                 return;
 116         }
 117
 118         ret = tdm_output_get_output_type(output, &type);
 119         if (ret != TDM_ERROR_NONE) {
 120                 TDM_SNPRINTF(reply, len, "can't find the type of output_id(%d)\n", output_id);
 121                 return;
 122         }
 123
 124         tdm_display_enable_ttrace_vblank(dpy, output, enable);
 125
 126         TDM_SNPRINTF(reply, len, "%s ttrace vblank for '%s'\n",
 127                                  (enable)?"enable":"disable", tdm_conn_str(type));
 128 }
 129
 130 static void
 131 _tdm_monitor_server_debug(unsigned int pid, char *cwd, int argc, char *argv[], char *reply, int *len, tdm_display *dpy)
 132 {
 133         int level;
 134         char *arg;
 135         char *end;
 136
 137         if (argc < 3) {
 138                 _tdm_monitor_server_usage(argv[0], reply, len);
 139                 return;
 140         }
 141
 142         arg = argv[2];
 143         level = strtol(arg, &end, 10);
 144
 145         tdm_log_set_debug_level(level);
 146         TDM_SNPRINTF(reply, len, "debug level: %d\n", level);
 147
 148         if (*end == '@') {
 149                 char *arg = end + 1;
 150
 151                 tdm_display_enable_debug_module((const char *)arg);
 152
 153                 TDM_SNPRINTF(reply, len, "debugging... '%s'\n", arg);
 154         }
 155 }
 156
 157 static void
 158 _tdm_monitor_server_log_path(unsigned int pid, char *cwd, int argc, char *argv[], char *reply, int *len, tdm_display *dpy)
 159 {
 160         static int old_stdout = -1;
 161         char fd_name[TDM_PATH_LEN];
 162         char *path;
 163
 164         if (argc < 3) {
 165                 _tdm_monitor_server_usage(argv[0], reply, len);
 166                 return;
 167         }
 168
 169         if (old_stdout == -1)
 170                 old_stdout = dup(STDOUT_FILENO);
 171
 172         path = argv[2];
 173         TDM_DBG_RETURN_IF_FAIL(path != NULL);
 174
 175         tdm_log_enable_dlog(0);
 176
 177         if (!strncmp(path, "dlog", 4)) {
 178                 tdm_log_enable_dlog(1);
 179                 goto done;
 180         } else if (!strncmp(path, "console", 7))
 181                 snprintf(fd_name, TDM_PATH_LEN, "/proc/%d/fd/1", pid);
 182         else {
 183                 if (path[0] == '/')
 184                         snprintf(fd_name, TDM_PATH_LEN, "%s", path);
 185                 else {
 186                         if (cwd)
 187                                 snprintf(fd_name, TDM_PATH_LEN, "%s/%s", cwd, path);
 188                         else
 189                                 snprintf(fd_name, TDM_PATH_LEN, "%s", path);
 190                 }
 191                 tdm_log_enable_color(0);
 192         }
 193
 194         if (tdm_display_enable_path((const char*)fd_name) != TDM_ERROR_NONE) {
 195                 TDM_SNPRINTF(reply, len, "failed: '%s'\n", path);
 196                 return;
 197         }
 198
 199 done:
 200         TDM_SNPRINTF(reply, len, "log path: '%s'\n", path);
 201 }
 202
 203 static void
 204 _tdm_monitor_server_prop(unsigned int pid, char *cwd, int argc, char *argv[], char *reply, int *len, tdm_display *dpy)
 205 {
 206         tdm_output *output;
 207         tdm_output *layer = NULL;
 208         int output_idx, layer_idx = -1;
 209         int cnt, i, done = 0;
 210         tdm_value value;
 211         char temp[TDM_PATH_LEN];
 212         char *prop_name;
 213         char *arg;
 214         char *end;
 215         tdm_error ret;
 216         const tdm_prop *props;
 217
 218         if (argc < 3) {
 219                 _tdm_monitor_server_usage(argv[0], reply, len);
 220                 return;
 221         }
 222
 223         snprintf(temp, TDM_PATH_LEN, "%s", argv[2]);
 224         arg = temp;
 225
 226         output_idx = strtol(arg, &end, 10);
 227         if (*end == ',') {
 228                 arg = end + 1;
 229                 layer_idx = strtol(arg, &end, 10);
 230         }
 231
 232         if (*end != ':') {
 233                 TDM_SNPRINTF(reply, len, "failed: no prop_name\n");
 234                 return;
 235         }
 236
 237         arg = end + 1;
 238         prop_name = strtok_r(arg, ",", &end);
 239         if (!prop_name) {
 240                 TDM_SNPRINTF(reply, len, "failed: get prop_name by strtok_r\n");
 241                 return;
 242         }
 243
 244         if (*end == '\0') {
 245                 TDM_SNPRINTF(reply, len, "failed: no value\n");
 246                 return;
 247         }
 248
 249         arg = strtok_r(NULL, TDM_DELIM, &end);
 250         if (!arg) {
 251                 TDM_SNPRINTF(reply, len, "failed: get arg by strtok_r\n");
 252                 return;
 253         }
 254         value.u32 = strtol(arg, &end, 10);
 255
 256         output = tdm_display_get_output(dpy, output_idx, &ret);
 257         TDM_DBG_RETURN_IF_FAIL(ret == TDM_ERROR_NONE && output != NULL);
 258
 259         if (layer_idx != -1) {
 260                 layer = tdm_output_get_layer(output, layer_idx, &ret);
 261                 TDM_DBG_RETURN_IF_FAIL(ret == TDM_ERROR_NONE && layer != NULL);
 262         }
 263
 264         if (layer) {
 265                 ret = tdm_layer_get_available_properties(layer, &props, &cnt);
 266                 TDM_DBG_RETURN_IF_FAIL(ret == TDM_ERROR_NONE);
 267
 268                 for (i = 0; i < cnt; i++) {
 269                         if (!strncmp(props[i].name, prop_name, TDM_NAME_LEN)) {
 270                                 ret = tdm_layer_set_property(layer, props[i].id, value);
 271                                 TDM_DBG_RETURN_IF_FAIL(ret == TDM_ERROR_NONE);
 272                                 done = 1;
 273                                 break;
 274                         }
 275                 }
 276         } else {
 277                 ret = tdm_output_get_available_properties(output, &props, &cnt);
 278                 TDM_DBG_RETURN_IF_FAIL(ret == TDM_ERROR_NONE);
 279
 280                 for (i = 0; i < cnt; i++) {
 281                         if (!strncmp(props[i].name, prop_name, TDM_NAME_LEN)) {
 282                                 ret = tdm_output_set_property(output, props[i].id, value);
 283                                 TDM_DBG_RETURN_IF_FAIL(ret == TDM_ERROR_NONE);
 284                                 done = 1;
 285                                 break;
 286                         }
 287                 }
 288         }
 289
 290         if (done)
 291                 TDM_SNPRINTF(reply, len, "done: %s:%d \n", prop_name, value.u32);
 292         else
 293                 TDM_SNPRINTF(reply, len, "no '%s' propperty \n", prop_name);
 294 }
 295
 296 static void
 297 _tdm_monitor_server_dump(unsigned int pid, char *cwd, int argc, char *argv[], char *reply, int *len, tdm_display *dpy)
 298 {
 299         if (argc < 3) {
 300                 _tdm_monitor_server_usage(argv[0], reply, len);
 301                 return;
 302         }
 303
 304         tdm_display_enable_dump(dpy, (const char*)argv[2], reply, len);
 305 }
 306
 307 static struct {
 308         const char *opt;
 309         void (*func)(unsigned int pid, char *cwd, int argc, char *argv[], char *reply, int *len, tdm_display *dpy);
 310         const char *desc;
 311         const char *arg;
 312         const char *ex;
 313 } option_proc[] = {
 314         {
 315                 "info", _tdm_monitor_server_query,
 316                 "show tdm output, layer information", NULL, NULL
 317         },
 318         {
 319                 "dpms", _tdm_monitor_server_dpms,
 320                 "set output dpms", "<output_idx>:<dpms>", "0:3 or 0:0"
 321         },
 322         {
 323                 "ttrace_vblank", _tdm_monitor_server_ttrace_vblank,
 324                 "enable/disable the vblank for ttrace [0:disable 1:enable]",
 325                 "<enable>[@<output_idx>]", "0 or 1"
 326         },
 327         {
 328                 "debug", _tdm_monitor_server_debug,
 329                 "set the debug level and modules(module: none, mutex, buffer, thread, vblank)",
 330                 "<level>[@<module1>[,<module2>]]",
 331                 NULL
 332         },
 333         {
 334                 "log_path", _tdm_monitor_server_log_path,
 335                 "set the log path (console,dlog,filepath)",
 336                 "<path>",
 337                 "console"
 338         },
 339         {
 340                 "prop", _tdm_monitor_server_prop,
 341                 "set the property of a output or a layer",
 342                 "<output_idx>[,<layer_idx>]:<prop_name>,<value>",
 343                 NULL
 344         },
 345         {
 346                 "dump", _tdm_monitor_server_dump,
 347                 "dump buffers (type: none, layer, pp, capture, current)\n"
 348                 "\t\t  layer, pp, capture - start to dump buffers of layer, pp, capture\n"
 349                 "\t\t  none               - stop to dump buffers\n"
 350                 "\t\t  current            - dump the current buffer of all layers",
 351                 "<object_type1>[,<object_type2>[,...]]@[<directory_path>]",
 352                 NULL
 353         },
 354 };
 355
 356 static void
 357 _tdm_monitor_server_usage(char *app_name, char *reply, int *len)
 358 {
 359         int opt_size = sizeof(option_proc) / sizeof(option_proc[0]);
 360         int i;
 361
 362         TDM_SNPRINTF(reply, len, "usage: %s \n\n", app_name);
 363
 364         for (i = 0; i < opt_size; i++) {
 365                 TDM_SNPRINTF(reply, len, "\t-%s\t%s\n", option_proc[i].opt, option_proc[i].desc);
 366                 if (option_proc[i].arg)
 367                         TDM_SNPRINTF(reply, len, "\t\t  %s\n", option_proc[i].arg);
 368                 if (option_proc[i].ex)
 369                         TDM_SNPRINTF(reply, len, "\t\t  ex) %s\n", option_proc[i].ex);
 370                 TDM_SNPRINTF(reply, len, "\n");
 371         }
 372 }
 373
 374 static void
 375 _tdm_monitor_server_command(unsigned int pid, char *cwd, tdm_display *dpy, int argc, char *argv[], char *reply, int *len)
 376 {
 377         int opt_size = sizeof(option_proc) / sizeof(option_proc[0]);
 378         int i;
 379
 380         if (argc < 2) {
 381                 _tdm_monitor_server_usage(argv[0], reply, len);
 382                 return;
 383         }
 384
 385         for (i = 0; i < opt_size; i++) {
 386                 if (argv[1][0] == '-' && !strncmp(argv[1] + 1, option_proc[i].opt, 32)) {
 387                         if (option_proc[i].func) {
 388                                 option_proc[i].func(pid, cwd, argc, argv, reply, len, dpy);
 389                                 return;
 390                         } else {
 391                                 TDM_SNPRINTF(reply, len, "'%s' not implemented.\n", argv[1]);
 392                                 return;
 393                         }
 394                 }
 395         }
 396
 397         _tdm_monitor_server_usage(argv[0], reply, len);
 398         return;
 399 }
 400
 401
 402 INTERN void
 403 tdm_monitor_server_command(tdm_display *dpy, const char *options, char *reply, int *len)
 404 {
 405         unsigned int pid;
 406         char cwd[1024];
 407         int argc = 0;
 408         char *argv[TDM_DBG_SERVER_ARGS_MAX] = {0,};
 409         char temp[1024];
 410         char *arg;
 411         char *end = NULL, *e;
 412
 413         snprintf(temp, sizeof(temp), "%s", options);
 414
 415         arg = strtok_r(temp, " ", &end);
 416         if (!arg) {
 417                 TDM_SNPRINTF(reply, len, "no pid for tdm-monitor");
 418                 return;
 419         }
 420         pid = strtol(arg, &e, 10);
 421
 422         arg = strtok_r(NULL, " ", &end);
 423         if (!arg) {
 424                 TDM_SNPRINTF(reply, len, "no cwd for tdm-monitor");
 425                 return;
 426         }
 427         snprintf(cwd, sizeof(cwd), "%s", arg);
 428
 429         TDM_DBG("pid(%d) cwd(%s)", pid, cwd);
 430
 431         argv[argc] = strtok_r(NULL, " ", &end);
 432         while (argv[argc]) {
 433                 argc++;
 434                 if (argc == TDM_DBG_SERVER_ARGS_MAX) {
 435                         TDM_SNPRINTF(reply, len, "too many arguments for tdm-monitor");
 436                         break;
 437                 }
 438                 argv[argc] = strtok_r(NULL, " ", &end);
 439         }
 440
 441         _tdm_monitor_server_command(pid, cwd, dpy, argc, argv, reply, len);
 442 }