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00027 #ifdef HAVE_CONFIG_H
00028 # include <config.h>
00029 #endif
00030
00031 #include <stdio.h>
00032 #include <stdlib.h>
00033 #include <string.h>
00034 #include <unistd.h>
00035 #include <getopt.h>
00036
00037 #include <libhal/libhal.h>
00038
00053 static void
00054 usage (int argc, char *argv[])
00055 {
00056 fprintf (stderr,
00057 "\n"
00058 "usage : %s --udi <udi> --key <key>\n"
00059 " (--int <value> | --string <value> | --bool <value> |"
00060 " --double <value> | --remove) [--help]\n",
00061 argv[0]);
00062 fprintf (stderr,
00063 "\n" " --udi Unique Device Id\n"
00064 " --key Key of the property to set\n"
00065 " --int Set value to an integer. Accepts decimal and "
00066 " hexadecimal prefixed with 0x or x\n"
00067 " --string Set value to a string\n"
00068 " --double Set value to a floating point number\n"
00069 " --bool Set value to a boolean, ie. true or false\n"
00070 " --remove Indicates that the property should be removed\n"
00071 " --help Show this information and exit\n"
00072 "\n"
00073 "This program attempts to set property for a device. Note that, due to\n"
00074 "security considerations, it may not be possible to set a property; on\n"
00075 "success this program exits with exit code 0. On error, the program exits\n"
00076 "with an exit code different from 0\n" "\n");
00077 }
00078
00085 int
00086 main (int argc, char *argv[])
00087 {
00088 int rc = 0;
00089 char *udi = NULL;
00090 char *key = NULL;
00091 char *str_value = NULL;
00092 dbus_int32_t int_value = 0;
00093 double double_value = 0.0f;
00094 dbus_bool_t bool_value = TRUE;
00095 dbus_bool_t remove = FALSE;
00096 int type = DBUS_TYPE_NIL;
00097
00098 fprintf (stderr, "%s " PACKAGE_VERSION "\n", argv[0]);
00099
00100 if (argc <= 1) {
00101 usage (argc, argv);
00102 return 1;
00103 }
00104
00105 while (1) {
00106 int c;
00107 int option_index = 0;
00108 const char *opt;
00109 static struct option long_options[] = {
00110 {"udi", 1, NULL, 0},
00111 {"key", 1, NULL, 0},
00112 {"int", 1, NULL, 0},
00113 {"string", 1, NULL, 0},
00114 {"double", 1, NULL, 0},
00115 {"bool", 1, NULL, 0},
00116 {"remove", 0, NULL, 0},
00117 {"help", 0, NULL, 0},
00118 {NULL, 0, NULL, 0}
00119 };
00120
00121 c = getopt_long (argc, argv, "",
00122 long_options, &option_index);
00123 if (c == -1)
00124 break;
00125
00126 switch (c) {
00127 case 0:
00128 opt = long_options[option_index].name;
00129
00130 if (strcmp (opt, "help") == 0) {
00131 usage (argc, argv);
00132 return 0;
00133 } else if (strcmp (opt, "key") == 0) {
00134 key = strdup (optarg);
00135 } else if (strcmp (opt, "string") == 0) {
00136 str_value = strdup (optarg);
00137 type = DBUS_TYPE_STRING;
00138 } else if (strcmp (opt, "int") == 0) {
00139 int_value = strtol (optarg, NULL, 0);
00140 type = DBUS_TYPE_INT32;
00141 } else if (strcmp (opt, "double") == 0) {
00142 double_value = (double) atof (optarg);
00143 type = DBUS_TYPE_DOUBLE;
00144 } else if (strcmp (opt, "bool") == 0) {
00145 if (strcmp (optarg, "true") == 0)
00146 bool_value = TRUE;
00147 else if (strcmp (optarg, "false") == 0)
00148 bool_value = FALSE;
00149 else {
00150 usage (argc, argv);
00151 return 1;
00152 }
00153 type = DBUS_TYPE_BOOLEAN;
00154 } else if (strcmp (opt, "remove") == 0) {
00155 remove = TRUE;
00156 } else if (strcmp (opt, "udi") == 0) {
00157 udi = strdup (optarg);
00158 }
00159 break;
00160
00161 default:
00162 usage (argc, argv);
00163 return 1;
00164 break;
00165 }
00166 }
00167
00168
00169 if ((remove && type != DBUS_TYPE_NIL) ||
00170 ((!remove) && type == DBUS_TYPE_NIL)) {
00171 usage (argc, argv);
00172 return 1;
00173 }
00174
00175 fprintf (stderr, "\n");
00176
00177 if (hal_initialize (NULL, FALSE)) {
00178 fprintf (stderr, "error: hal_initialize failed\n");
00179 return 1;
00180 }
00181
00182 if (remove) {
00183 rc = hal_device_remove_property (udi, key);
00184 if (rc != 0)
00185 return 1;
00186 } else {
00187 switch (type) {
00188 case DBUS_TYPE_STRING:
00189 rc = hal_device_set_property_string (udi, key,
00190 str_value);
00191 break;
00192 case DBUS_TYPE_INT32:
00193 rc = hal_device_set_property_int (udi, key,
00194 int_value);
00195 break;
00196 case DBUS_TYPE_DOUBLE:
00197 rc = hal_device_set_property_double (udi, key,
00198 double_value);
00199 break;
00200 case DBUS_TYPE_BOOLEAN:
00201 rc = hal_device_set_property_bool (udi, key,
00202 bool_value);
00203 break;
00204 }
00205 if (rc != 0)
00206 return 1;
00207 }
00208
00209 return 0;
00210 }
00211