int server_init(void)
{
int fd = -1;
signal(SIGPIPE, SIG_IGN);
signal(SIGTERM, cleanup_all);
FD_ZERO(&rfds);
sock_map_init();
/* initialize the rcp message handle */
init_msg_pack_handle();
init_msg_header();
init_cmd_process_handle();
fd = tcp_server_socket_create();
add_fd(TCP_SERVER, fd, NULL);
if(pow_init() < 0)
{
printf("pow init failed\n");
exit(1);
}
return 0;
}
/*
* Main routine for power server.
*/
int
main(int argc, char *argv[])
{
static struct msg msg;
const struct msg_map *map;
object_t obj;
struct bind_msg bm;
object_t execobj, procobj;
int error;
sys_log("Starting power server\n");
/* Boost thread priority. */
thread_setpri(thread_self(), PRI_POW);
/*
* Wait until all required system servers
* become available.
*/
wait_server("!proc", &procobj);
wait_server("!exec", &execobj);
/*
* Request to bind a new capabilities for us.
*/
bm.hdr.code = EXEC_BINDCAP;
strlcpy(bm.path, "/boot/pow", sizeof(bm.path));
msg_send(execobj, &bm, sizeof(bm));
/*
* Register to process server
*/
register_process();
/*
* Initialize power service.
*/
pow_init();
/*
* Create an object to expose our service.
*/
error = object_create("!pow", &obj);
if (error)
sys_panic("fail to create object");
/*
* Message loop
*/
for (;;) {
/*
* Wait for an incoming request.
*/
error = msg_receive(obj, &msg, sizeof(msg));
if (error)
continue;
DPRINTF(("pow: msg code=%x task=%x\n",
msg.hdr.code, msg.hdr.task));
/* Check client's capability. */
if (task_chkcap(msg.hdr.task, CAP_POWERMGMT) != 0) {
map = NULL;
error = EPERM;
} else {
error = EINVAL;
map = &powermsg_map[0];
while (map->code != 0) {
if (map->code == msg.hdr.code) {
error = (*map->func)(&msg);
break;
}
map++;
}
}
/*
* Reply to the client.
*/
msg.hdr.status = error;
msg_reply(obj, &msg, sizeof(msg));
#ifdef DEBUG_POWER
if (map != NULL && error != 0)
DPRINTF(("pow: msg code=%x error=%d\n",
map->code, error));
#endif
}
}
