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