Emeric Vigier | 2f62582 | 2012-08-06 11:09:52 -0400 | [diff] [blame] | 1 | /* -*- mode: C; c-file-style: "gnu"; indent-tabs-mode: nil; -*- */ |
| 2 | /* dbus-print-message.h Utility function to print out a message |
| 3 | * |
| 4 | * Copyright (C) 2003 Philip Blundell <philb@gnu.org> |
| 5 | * Copyright (C) 2003 Red Hat, Inc. |
| 6 | * |
| 7 | * This program is free software; you can redistribute it and/or modify |
| 8 | * it under the terms of the GNU General Public License as published by |
| 9 | * the Free Software Foundation; either version 2 of the License, or |
| 10 | * (at your option) any later version. |
| 11 | * |
| 12 | * This program is distributed in the hope that it will be useful, |
| 13 | * but WITHOUT ANY WARRANTY; without even the implied warranty of |
| 14 | * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the |
| 15 | * GNU General Public License for more details. |
| 16 | * |
| 17 | * You should have received a copy of the GNU General Public License |
| 18 | * along with this program; if not, write to the Free Software |
| 19 | * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA |
| 20 | * |
| 21 | */ |
| 22 | |
| 23 | #include <config.h> |
| 24 | #include "dbus-print-message.h" |
| 25 | |
| 26 | #include <stdlib.h> |
| 27 | #include "config.h" |
| 28 | |
| 29 | static const char* |
| 30 | type_to_name (int message_type) |
| 31 | { |
| 32 | switch (message_type) |
| 33 | { |
| 34 | case DBUS_MESSAGE_TYPE_SIGNAL: |
| 35 | return "signal"; |
| 36 | case DBUS_MESSAGE_TYPE_METHOD_CALL: |
| 37 | return "method call"; |
| 38 | case DBUS_MESSAGE_TYPE_METHOD_RETURN: |
| 39 | return "method return"; |
| 40 | case DBUS_MESSAGE_TYPE_ERROR: |
| 41 | return "error"; |
| 42 | default: |
| 43 | return "(unknown message type)"; |
| 44 | } |
| 45 | } |
| 46 | |
| 47 | #define INDENT 3 |
| 48 | |
| 49 | static void |
| 50 | indent (int depth) |
| 51 | { |
| 52 | while (depth-- > 0) |
| 53 | printf (" "); /* INDENT spaces. */ |
| 54 | } |
| 55 | |
| 56 | static void |
| 57 | print_hex (unsigned char *bytes, unsigned int len, int depth) |
| 58 | { |
| 59 | unsigned int i, columns; |
| 60 | |
| 61 | printf ("array of bytes [\n"); |
| 62 | |
| 63 | indent (depth + 1); |
| 64 | |
| 65 | /* Each byte takes 3 cells (two hexits, and a space), except the last one. */ |
| 66 | columns = (80 - ((depth + 1) * INDENT)) / 3; |
| 67 | |
| 68 | if (columns < 8) |
| 69 | columns = 8; |
| 70 | |
| 71 | i = 0; |
| 72 | |
| 73 | while (i < len) |
| 74 | { |
| 75 | printf ("%02x", bytes[i]); |
| 76 | i++; |
| 77 | |
| 78 | if (i != len) |
| 79 | { |
| 80 | if (i % columns == 0) |
| 81 | { |
| 82 | printf ("\n"); |
| 83 | indent (depth + 1); |
| 84 | } |
| 85 | else |
| 86 | { |
| 87 | printf (" "); |
| 88 | } |
| 89 | } |
| 90 | } |
| 91 | |
| 92 | printf ("\n"); |
| 93 | indent (depth); |
| 94 | printf ("]\n"); |
| 95 | } |
| 96 | |
| 97 | #define DEFAULT_SIZE 100 |
| 98 | |
| 99 | static void |
| 100 | print_ay (DBusMessageIter *iter, int depth) |
| 101 | { |
| 102 | /* Not using DBusString because it's not public API. It's 2009, and I'm |
| 103 | * manually growing a string chunk by chunk. |
| 104 | */ |
| 105 | unsigned char *bytes = malloc (DEFAULT_SIZE + 1); |
| 106 | unsigned int len = 0; |
| 107 | unsigned int max = DEFAULT_SIZE; |
| 108 | dbus_bool_t all_ascii = TRUE; |
| 109 | int current_type; |
| 110 | |
| 111 | while ((current_type = dbus_message_iter_get_arg_type (iter)) |
| 112 | != DBUS_TYPE_INVALID) |
| 113 | { |
| 114 | unsigned char val; |
| 115 | |
| 116 | dbus_message_iter_get_basic (iter, &val); |
| 117 | bytes[len] = val; |
| 118 | len++; |
| 119 | |
| 120 | if (val < 32 || val > 126) |
| 121 | all_ascii = FALSE; |
| 122 | |
| 123 | if (len == max) |
| 124 | { |
| 125 | max *= 2; |
| 126 | bytes = realloc (bytes, max + 1); |
| 127 | } |
| 128 | |
| 129 | dbus_message_iter_next (iter); |
| 130 | } |
| 131 | |
| 132 | if (all_ascii) |
| 133 | { |
| 134 | bytes[len] = '\0'; |
| 135 | printf ("array of bytes \"%s\"\n", bytes); |
| 136 | } |
| 137 | else |
| 138 | { |
| 139 | print_hex (bytes, len, depth); |
| 140 | } |
| 141 | |
| 142 | free (bytes); |
| 143 | } |
| 144 | |
| 145 | static void |
| 146 | print_iter (DBusMessageIter *iter, dbus_bool_t literal, int depth) |
| 147 | { |
| 148 | do |
| 149 | { |
| 150 | int type = dbus_message_iter_get_arg_type (iter); |
| 151 | |
| 152 | if (type == DBUS_TYPE_INVALID) |
| 153 | break; |
| 154 | |
| 155 | indent(depth); |
| 156 | |
| 157 | switch (type) |
| 158 | { |
| 159 | case DBUS_TYPE_STRING: |
| 160 | { |
| 161 | char *val; |
| 162 | dbus_message_iter_get_basic (iter, &val); |
| 163 | if (!literal) |
| 164 | printf ("string \""); |
| 165 | printf ("%s", val); |
| 166 | if (!literal) |
| 167 | printf ("\"\n"); |
| 168 | break; |
| 169 | } |
| 170 | |
| 171 | case DBUS_TYPE_SIGNATURE: |
| 172 | { |
| 173 | char *val; |
| 174 | dbus_message_iter_get_basic (iter, &val); |
| 175 | if (!literal) |
| 176 | printf ("signature \""); |
| 177 | printf ("%s", val); |
| 178 | if (!literal) |
| 179 | printf ("\"\n"); |
| 180 | break; |
| 181 | } |
| 182 | |
| 183 | case DBUS_TYPE_OBJECT_PATH: |
| 184 | { |
| 185 | char *val; |
| 186 | dbus_message_iter_get_basic (iter, &val); |
| 187 | if (!literal) |
| 188 | printf ("object path \""); |
| 189 | printf ("%s", val); |
| 190 | if (!literal) |
| 191 | printf ("\"\n"); |
| 192 | break; |
| 193 | } |
| 194 | |
| 195 | case DBUS_TYPE_INT16: |
| 196 | { |
| 197 | dbus_int16_t val; |
| 198 | dbus_message_iter_get_basic (iter, &val); |
| 199 | printf ("int16 %d\n", val); |
| 200 | break; |
| 201 | } |
| 202 | |
| 203 | case DBUS_TYPE_UINT16: |
| 204 | { |
| 205 | dbus_uint16_t val; |
| 206 | dbus_message_iter_get_basic (iter, &val); |
| 207 | printf ("uint16 %u\n", val); |
| 208 | break; |
| 209 | } |
| 210 | |
| 211 | case DBUS_TYPE_INT32: |
| 212 | { |
| 213 | dbus_int32_t val; |
| 214 | dbus_message_iter_get_basic (iter, &val); |
| 215 | printf ("int32 %d\n", val); |
| 216 | break; |
| 217 | } |
| 218 | |
| 219 | case DBUS_TYPE_UINT32: |
| 220 | { |
| 221 | dbus_uint32_t val; |
| 222 | dbus_message_iter_get_basic (iter, &val); |
| 223 | printf ("uint32 %u\n", val); |
| 224 | break; |
| 225 | } |
| 226 | |
| 227 | case DBUS_TYPE_INT64: |
| 228 | { |
| 229 | dbus_int64_t val; |
| 230 | dbus_message_iter_get_basic (iter, &val); |
| 231 | #ifdef DBUS_INT64_PRINTF_MODIFIER |
| 232 | printf ("int64 %" DBUS_INT64_PRINTF_MODIFIER "d\n", val); |
| 233 | #else |
| 234 | printf ("int64 (omitted)\n"); |
| 235 | #endif |
| 236 | break; |
| 237 | } |
| 238 | |
| 239 | case DBUS_TYPE_UINT64: |
| 240 | { |
| 241 | dbus_uint64_t val; |
| 242 | dbus_message_iter_get_basic (iter, &val); |
| 243 | #ifdef DBUS_INT64_PRINTF_MODIFIER |
| 244 | printf ("uint64 %" DBUS_INT64_PRINTF_MODIFIER "u\n", val); |
| 245 | #else |
| 246 | printf ("uint64 (omitted)\n"); |
| 247 | #endif |
| 248 | break; |
| 249 | } |
| 250 | |
| 251 | case DBUS_TYPE_DOUBLE: |
| 252 | { |
| 253 | double val; |
| 254 | dbus_message_iter_get_basic (iter, &val); |
| 255 | printf ("double %g\n", val); |
| 256 | break; |
| 257 | } |
| 258 | |
| 259 | case DBUS_TYPE_BYTE: |
| 260 | { |
| 261 | unsigned char val; |
| 262 | dbus_message_iter_get_basic (iter, &val); |
| 263 | printf ("byte %d\n", val); |
| 264 | break; |
| 265 | } |
| 266 | |
| 267 | case DBUS_TYPE_BOOLEAN: |
| 268 | { |
| 269 | dbus_bool_t val; |
| 270 | dbus_message_iter_get_basic (iter, &val); |
| 271 | printf ("boolean %s\n", val ? "true" : "false"); |
| 272 | break; |
| 273 | } |
| 274 | |
| 275 | case DBUS_TYPE_VARIANT: |
| 276 | { |
| 277 | DBusMessageIter subiter; |
| 278 | |
| 279 | dbus_message_iter_recurse (iter, &subiter); |
| 280 | |
| 281 | printf ("variant "); |
| 282 | print_iter (&subiter, literal, depth+1); |
| 283 | break; |
| 284 | } |
| 285 | case DBUS_TYPE_ARRAY: |
| 286 | { |
| 287 | int current_type; |
| 288 | DBusMessageIter subiter; |
| 289 | |
| 290 | dbus_message_iter_recurse (iter, &subiter); |
| 291 | |
| 292 | current_type = dbus_message_iter_get_arg_type (&subiter); |
| 293 | |
| 294 | if (current_type == DBUS_TYPE_BYTE) |
| 295 | { |
| 296 | print_ay (&subiter, depth); |
| 297 | break; |
| 298 | } |
| 299 | |
| 300 | printf("array [\n"); |
| 301 | while (current_type != DBUS_TYPE_INVALID) |
| 302 | { |
| 303 | print_iter (&subiter, literal, depth+1); |
| 304 | |
| 305 | dbus_message_iter_next (&subiter); |
| 306 | current_type = dbus_message_iter_get_arg_type (&subiter); |
| 307 | |
| 308 | if (current_type != DBUS_TYPE_INVALID) |
| 309 | printf (","); |
| 310 | } |
| 311 | indent(depth); |
| 312 | printf("]\n"); |
| 313 | break; |
| 314 | } |
| 315 | case DBUS_TYPE_DICT_ENTRY: |
| 316 | { |
| 317 | DBusMessageIter subiter; |
| 318 | |
| 319 | dbus_message_iter_recurse (iter, &subiter); |
| 320 | |
| 321 | printf("dict entry(\n"); |
| 322 | print_iter (&subiter, literal, depth+1); |
| 323 | dbus_message_iter_next (&subiter); |
| 324 | print_iter (&subiter, literal, depth+1); |
| 325 | indent(depth); |
| 326 | printf(")\n"); |
| 327 | break; |
| 328 | } |
| 329 | |
| 330 | case DBUS_TYPE_STRUCT: |
| 331 | { |
| 332 | int current_type; |
| 333 | DBusMessageIter subiter; |
| 334 | |
| 335 | dbus_message_iter_recurse (iter, &subiter); |
| 336 | |
| 337 | printf("struct {\n"); |
| 338 | while ((current_type = dbus_message_iter_get_arg_type (&subiter)) != DBUS_TYPE_INVALID) |
| 339 | { |
| 340 | print_iter (&subiter, literal, depth+1); |
| 341 | dbus_message_iter_next (&subiter); |
| 342 | if (dbus_message_iter_get_arg_type (&subiter) != DBUS_TYPE_INVALID) |
| 343 | printf (","); |
| 344 | } |
| 345 | indent(depth); |
| 346 | printf("}\n"); |
| 347 | break; |
| 348 | } |
| 349 | |
| 350 | default: |
| 351 | printf (" (dbus-monitor too dumb to decipher arg type '%c')\n", type); |
| 352 | break; |
| 353 | } |
| 354 | } while (dbus_message_iter_next (iter)); |
| 355 | } |
| 356 | |
| 357 | void |
| 358 | print_message (DBusMessage *message, dbus_bool_t literal) |
| 359 | { |
| 360 | DBusMessageIter iter; |
| 361 | const char *sender; |
| 362 | const char *destination; |
| 363 | int message_type; |
| 364 | |
| 365 | message_type = dbus_message_get_type (message); |
| 366 | sender = dbus_message_get_sender (message); |
| 367 | destination = dbus_message_get_destination (message); |
| 368 | |
| 369 | if (!literal) |
| 370 | { |
| 371 | printf ("%s sender=%s -> dest=%s", |
| 372 | type_to_name (message_type), |
| 373 | sender ? sender : "(null sender)", |
| 374 | destination ? destination : "(null destination)"); |
| 375 | |
| 376 | switch (message_type) |
| 377 | { |
| 378 | case DBUS_MESSAGE_TYPE_METHOD_CALL: |
| 379 | case DBUS_MESSAGE_TYPE_SIGNAL: |
| 380 | printf (" serial=%u path=%s; interface=%s; member=%s\n", |
| 381 | dbus_message_get_serial (message), |
| 382 | dbus_message_get_path (message), |
| 383 | dbus_message_get_interface (message), |
| 384 | dbus_message_get_member (message)); |
| 385 | break; |
| 386 | |
| 387 | case DBUS_MESSAGE_TYPE_METHOD_RETURN: |
| 388 | printf (" reply_serial=%u\n", |
| 389 | dbus_message_get_reply_serial (message)); |
| 390 | break; |
| 391 | |
| 392 | case DBUS_MESSAGE_TYPE_ERROR: |
| 393 | printf (" error_name=%s reply_serial=%u\n", |
| 394 | dbus_message_get_error_name (message), |
| 395 | dbus_message_get_reply_serial (message)); |
| 396 | break; |
| 397 | |
| 398 | default: |
| 399 | printf ("\n"); |
| 400 | break; |
| 401 | } |
| 402 | } |
| 403 | |
| 404 | dbus_message_iter_init (message, &iter); |
| 405 | print_iter (&iter, literal, 1); |
| 406 | fflush (stdout); |
| 407 | |
| 408 | } |
| 409 | |