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dummyLamp.c
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dummyLamp.c
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/* xAAL dummy basic lamp
* (c) 2014 Christophe Lohr <christophe.lohr@telecom-bretagne.eu>
*
* This program is free software: you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation, either version 3 of the License, or
* (at your option) any later version.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with this program. If not, see <http://www.gnu.org/licenses/>.
*/
#include <stdio.h>
#include <string.h>
#include <stdlib.h>
#include <unistd.h>
#include <signal.h>
#include <json-c/json.h>
#include <uuid/uuid.h>
#include <xaal.h>
#define ALIVE_PERIOD 5
/* setup lamp device info */
xAAL_devinfo_t lamp = { .devType = "lamp.basic",
.alivemax = 2 * ALIVE_PERIOD,
.vendorId = "Team IHSEV",
.productId = "Dummy basic lamp",
.hwId = NULL,
.version = "0.3",
.parent = "",
.childrens = (char *[]){ NULL },
.url = "http://recherche.telecom-bretagne.eu/xaal/documentation/",
.info = NULL,
.unsupportedAttributes = NULL,
.unsupportedMethods = (char *[]){ "getAttributes", NULL },
.unsupportedNotifications = (char *[]){ "attributesChange", NULL }
};
xAAL_businfo_t bus;
void alive_sender(int sig) {
if ( !xAAL_notify_alive(&bus, &lamp) )
fprintf(xAAL_error_log, "Could not send spontaneous alive notification.\n");
alarm(ALIVE_PERIOD);
}
/* main */
int main(int argc, char **argv) {
int opt;
char *addr=NULL, *port=NULL, *dev_name = NULL;
uuid_t uuid;
int hops = -1;
bool arg_error = false;
bool attribute_light = false;
struct sigaction act_alarm;
struct json_object *jmsg, *jtargets;
const char *version, *source, *msgType, *devType, *action,
*cipher, *signature;
time_t timestamp;
xAAL_error_log = stderr;
uuid_clear(uuid);
/* Parse cmdline arguments */
while ((opt = getopt(argc, argv, "a:p:h:u:n:")) != -1) {
switch (opt) {
case 'a':
addr = optarg;
break;
case 'p':
port = optarg;
break;
case 'h':
hops = atoi(optarg);
break;
case 'u':
if ( uuid_parse(optarg, uuid) == -1 ) {
fprintf(stderr, "Warning: invalid uuid '%s'\n", optarg);
uuid_clear(uuid);
} else
strcpy(lamp.addr, optarg);
break;
case 'n':
dev_name = optarg;
break;
default: /* '?' */
arg_error = true;
}
}
if (optind < argc) {
fprintf(stderr, "Unknown argument %s\n", argv[optind]);
arg_error = true;
}
if (!addr || !port || arg_error) {
fprintf(stderr, "Usage: %s -a <addr> -p <port> [-h <hops>] [-u <uuid>]\n",
argv[0]);
exit(EXIT_FAILURE);
}
/* Join the xAAL bus */
if ( !xAAL_join_bus(addr, port, hops, 1, &bus) )
exit(EXIT_FAILURE);
/* Generate device address if needed */
if ( uuid_is_null(uuid) ) {
uuid_generate(uuid);
uuid_unparse(uuid, lamp.addr);
printf("Device: %s\n", lamp.addr);
}
/* Manage alive notifications */
act_alarm.sa_handler = alive_sender;
act_alarm.sa_flags = ~SA_RESETHAND;
sigemptyset(&act_alarm.sa_mask);
sigaction(SIGALRM, &act_alarm, NULL);
alarm(ALIVE_PERIOD);
if ( !xAAL_notify_alive(&bus, &lamp) )
fprintf(xAAL_error_log, "Could not send initial alive notification.\n");
//printf("childrens: %s\n", json_object_get_string(xAAL_vector2array(lamp.childrens)));
/* Main loop */
for (;;) {
/* Show lamp */
if (attribute_light)
printf("%s (O) On \r", dev_name);
else
printf("%s . Off\r", dev_name);
fflush(stdout);
/* Recive a message */
if (!xAAL_read_bus(&bus, &jmsg, &version, &source, &jtargets, &msgType,
&devType, &action, &cipher, &signature, ×tamp))
continue;
if ( !xAAL_targets_match(jtargets, lamp.addr) ) {
/* This is not for me */
json_object_put(jmsg);
continue;
}
if (strcmp(msgType, "request") == 0) {
if ( (strcmp(action, "isAlive") == 0)
&& xAAL_isAliveDevType_match(jmsg, lamp.devType) ) {
if ( !xAAL_notify_alive(&bus, &lamp) )
fprintf(xAAL_error_log, "Could not reply to isAlive\n");
} else if ( strcmp(action, "getDescription") == 0 ) {
if ( !xAAL_reply_getDescription(&bus, &lamp, source) )
fprintf(xAAL_error_log, "Could not reply to getDescription\n");
} else if ( strcmp(action, "getAttributes") == 0 ) {
/* I ignore this */
} else if ( strcmp(action, "getBusConfig") == 0 ) {
if ( !xAAL_reply_getBusConfig(&bus, &lamp, source) )
fprintf(xAAL_error_log, "Could not reply to getBusConfig\n");
} else if ( strcmp(action, "setBusConfig") == 0 ) {
if ( !xAAL_reply_setBusConfig(&bus, &lamp, source) )
fprintf(xAAL_error_log, "Could not reply to setBusConfig\n");
} else if ( strcmp(action, "getCiphers") == 0 ) {
if ( !xAAL_reply_getCiphers(&bus, &lamp, source) )
fprintf(xAAL_error_log, "Could not reply to getCiphers\n");
} else if ( strcmp(action, "setCiphers") == 0 ) {
if ( !xAAL_reply_setCiphers(&bus, &lamp, source) )
fprintf(xAAL_error_log, "Could not reply to setCiphers\n");
} else if ( strcmp(action, "on") == 0 ) {
attribute_light = true;
} else if ( strcmp(action, "off") == 0 ) {
attribute_light = false;
}
}
json_object_put(jmsg);
}
}