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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
00039 static LibHalContext *hal_ctx;
00040
00055 static void
00056 usage (int argc, char *argv[])
00057 {
00058 fprintf (stderr,
00059 "\n"
00060 "usage : %s --udi <udi> --key <key>\n"
00061 " (--int <value> | --string <value> | --bool <value> |"
00062 " --double <value> | --remove) [--help]\n",
00063 argv[0]);
00064 fprintf (stderr,
00065 "\n" " --udi Unique Device Id\n"
00066 " --key Key of the property to set\n"
00067 " --int Set value to an integer. Accepts decimal and "
00068 " hexadecimal prefixed with 0x or x\n"
00069 " --string Set value to a string\n"
00070 " --double Set value to a floating point number\n"
00071 " --bool Set value to a boolean, ie. true or false\n"
00072 " --remove Indicates that the property should be removed\n"
00073 " --help Show this information and exit\n"
00074 "\n"
00075 "This program attempts to set property for a device. Note that, due to\n"
00076 "security considerations, it may not be possible to set a property; on\n"
00077 "success this program exits with exit code 0. On error, the program exits\n"
00078 "with an exit code different from 0\n" "\n");
00079 }
00080
00087 int
00088 main (int argc, char *argv[])
00089 {
00090 int rc = 0;
00091 char *udi = NULL;
00092 char *key = NULL;
00093 char *str_value = NULL;
00094 dbus_int32_t int_value = 0;
00095 double double_value = 0.0f;
00096 dbus_bool_t bool_value = TRUE;
00097 dbus_bool_t remove = FALSE;
00098 int type = DBUS_TYPE_NIL;
00099
00100 fprintf (stderr, "%s " PACKAGE_VERSION "\n", argv[0]);
00101
00102 if (argc <= 1) {
00103 usage (argc, argv);
00104 return 1;
00105 }
00106
00107 while (1) {
00108 int c;
00109 int option_index = 0;
00110 const char *opt;
00111 static struct option long_options[] = {
00112 {"udi", 1, NULL, 0},
00113 {"key", 1, NULL, 0},
00114 {"int", 1, NULL, 0},
00115 {"string", 1, NULL, 0},
00116 {"double", 1, NULL, 0},
00117 {"bool", 1, NULL, 0},
00118 {"remove", 0, NULL, 0},
00119 {"help", 0, NULL, 0},
00120 {NULL, 0, NULL, 0}
00121 };
00122
00123 c = getopt_long (argc, argv, "",
00124 long_options, &option_index);
00125 if (c == -1)
00126 break;
00127
00128 switch (c) {
00129 case 0:
00130 opt = long_options[option_index].name;
00131
00132 if (strcmp (opt, "help") == 0) {
00133 usage (argc, argv);
00134 return 0;
00135 } else if (strcmp (opt, "key") == 0) {
00136 key = strdup (optarg);
00137 } else if (strcmp (opt, "string") == 0) {
00138 str_value = strdup (optarg);
00139 type = DBUS_TYPE_STRING;
00140 } else if (strcmp (opt, "int") == 0) {
00141 int_value = strtol (optarg, NULL, 0);
00142 type = DBUS_TYPE_INT32;
00143 } else if (strcmp (opt, "double") == 0) {
00144 double_value = (double) atof (optarg);
00145 type = DBUS_TYPE_DOUBLE;
00146 } else if (strcmp (opt, "bool") == 0) {
00147 if (strcmp (optarg, "true") == 0)
00148 bool_value = TRUE;
00149 else if (strcmp (optarg, "false") == 0)
00150 bool_value = FALSE;
00151 else {
00152 usage (argc, argv);
00153 return 1;
00154 }
00155 type = DBUS_TYPE_BOOLEAN;
00156 } else if (strcmp (opt, "remove") == 0) {
00157 remove = TRUE;
00158 } else if (strcmp (opt, "udi") == 0) {
00159 udi = strdup (optarg);
00160 }
00161 break;
00162
00163 default:
00164 usage (argc, argv);
00165 return 1;
00166 break;
00167 }
00168 }
00169
00170
00171 if ((remove && type != DBUS_TYPE_NIL) ||
00172 ((!remove) && type == DBUS_TYPE_NIL)) {
00173 usage (argc, argv);
00174 return 1;
00175 }
00176
00177 fprintf (stderr, "\n");
00178
00179 if ((hal_ctx = hal_initialize (NULL, FALSE)) == NULL) {
00180 fprintf (stderr, "error: hal_initialize failed\n");
00181 return 1;
00182 }
00183
00184 if (remove) {
00185 rc = hal_device_remove_property (hal_ctx, udi, key);
00186 if (rc != 0)
00187 return 1;
00188 } else {
00189 switch (type) {
00190 case DBUS_TYPE_STRING:
00191 rc = hal_device_set_property_string (hal_ctx, udi, key,
00192 str_value);
00193 break;
00194 case DBUS_TYPE_INT32:
00195 rc = hal_device_set_property_int (hal_ctx, udi, key,
00196 int_value);
00197 break;
00198 case DBUS_TYPE_DOUBLE:
00199 rc = hal_device_set_property_double (hal_ctx, udi, key,
00200 double_value);
00201 break;
00202 case DBUS_TYPE_BOOLEAN:
00203 rc = hal_device_set_property_bool (hal_ctx, udi, key,
00204 bool_value);
00205 break;
00206 }
00207 if (rc != 0)
00208 return 1;
00209 }
00210
00211 return 0;
00212 }
00213