Beispiel #1
0
void
fmd_create(fmd_t *dp, const char *arg0, const char *root, const char *conf)
{
	fmd_conf_path_t *pap;
	char file[PATH_MAX];
	const char *name;
	fmd_stat_t *sp;
	int i;

	smbios_hdl_t *shp;
	smbios_system_t s1;
	smbios_info_t s2;
	id_t id;

	di_prom_handle_t promh = DI_PROM_HANDLE_NIL;
	di_node_t rooth = DI_NODE_NIL;
	char *bufp;

	(void) sysinfo(SI_PLATFORM, _fmd_plat, sizeof (_fmd_plat));
	(void) sysinfo(SI_ARCHITECTURE, _fmd_isa, sizeof (_fmd_isa));
	(void) uname(&_fmd_uts);

	if ((shp = smbios_open(NULL, SMB_VERSION, 0, NULL)) != NULL) {
		if ((id = smbios_info_system(shp, &s1)) != SMB_ERR &&
		    smbios_info_common(shp, id, &s2) != SMB_ERR) {
			(void) strlcpy(_fmd_prod, s2.smbi_product, MAXNAMELEN);
			(void) strlcpy(_fmd_csn, s2.smbi_serial, MAXNAMELEN);
		}
		smbios_close(shp);
	} else if ((rooth = di_init("/", DINFOPROP)) != DI_NODE_NIL &&
	    (promh = di_prom_init()) != DI_PROM_HANDLE_NIL) {
		if (di_prom_prop_lookup_bytes(promh, rooth, "chassis-sn",
		    (unsigned char **)&bufp) != -1) {
			(void) strlcpy(_fmd_csn, bufp, MAXNAMELEN);
		}
	}

	if (promh != DI_PROM_HANDLE_NIL)
		di_prom_fini(promh);
	if (rooth != DI_NODE_NIL)
		di_fini(rooth);

	bzero(dp, sizeof (fmd_t));

	dp->d_version = _fmd_version;
	dp->d_pname = fmd_strbasename(arg0);
	dp->d_pid = getpid();

	if (pthread_key_create(&dp->d_key, NULL) != 0)
		fmd_error(EFMD_EXIT, "failed to create pthread key");

	(void) pthread_mutex_init(&dp->d_xprt_lock, NULL);
	(void) pthread_mutex_init(&dp->d_err_lock, NULL);
	(void) pthread_mutex_init(&dp->d_thr_lock, NULL);
	(void) pthread_mutex_init(&dp->d_mod_lock, NULL);
	(void) pthread_mutex_init(&dp->d_stats_lock, NULL);
	(void) pthread_rwlock_init(&dp->d_log_lock, NULL);

	/*
	 * A small number of properties must be set manually before we open
	 * the root configuration file.  These include any settings for our
	 * memory allocator and path expansion token values, because these
	 * values are needed by the routines in fmd_conf.c itself.  After
	 * the root configuration file is processed, we reset these properties
	 * based upon the latest values from the configuration file.
	 */
	dp->d_alloc_msecs = 10;
	dp->d_alloc_tries = 3;
	dp->d_str_buckets = 211;

	dp->d_rootdir = root ? root : "";
	dp->d_platform = _fmd_plat;
	dp->d_machine = _fmd_uts.machine;
	dp->d_isaname = _fmd_isa;

	dp->d_conf = fmd_conf_open(conf, sizeof (_fmd_conf) /
	    sizeof (_fmd_conf[0]), _fmd_conf, FMD_CONF_DEFER);

	if (dp->d_conf == NULL) {
		fmd_error(EFMD_EXIT,
		    "failed to load required configuration properties\n");
	}

	(void) fmd_conf_getprop(dp->d_conf, "alloc.msecs", &dp->d_alloc_msecs);
	(void) fmd_conf_getprop(dp->d_conf, "alloc.tries", &dp->d_alloc_tries);
	(void) fmd_conf_getprop(dp->d_conf, "strbuckets", &dp->d_str_buckets);

	(void) fmd_conf_getprop(dp->d_conf, "platform", &dp->d_platform);
	(void) fmd_conf_getprop(dp->d_conf, "machine", &dp->d_machine);
	(void) fmd_conf_getprop(dp->d_conf, "isaname", &dp->d_isaname);

	/*
	 * Manually specified rootdirs override config files, so only update
	 * d_rootdir based on the config files we parsed if no 'root' was set.
	 */
	if (root == NULL)
		(void) fmd_conf_getprop(dp->d_conf, "rootdir", &dp->d_rootdir);
	else
		(void) fmd_conf_setprop(dp->d_conf, "rootdir", dp->d_rootdir);

	/*
	 * Once the base conf file properties are loaded, lookup the values
	 * of $conf_path and $conf_file and merge in any other conf files.
	 */
	(void) fmd_conf_getprop(dp->d_conf, "conf_path", &pap);
	(void) fmd_conf_getprop(dp->d_conf, "conf_file", &name);

	for (i = 0; i < pap->cpa_argc; i++) {
		(void) snprintf(file, sizeof (file),
		    "%s/%s", pap->cpa_argv[i], name);
		if (access(file, F_OK) == 0)
			fmd_conf_merge(dp->d_conf, file);
	}

	/*
	 * Update the value of fmd.d_fg based on "fg".  We cache this property
	 * because it must be accessed deep within fmd at fmd_verror() time.
	 * Update any other properties that must be cached for performance.
	 */
	(void) fmd_conf_getprop(fmd.d_conf, "fg", &fmd.d_fg);
	(void) fmd_conf_getprop(fmd.d_conf, "xprt.ttl", &fmd.d_xprt_ttl);

	/*
	 * Initialize our custom libnvpair allocator and create an nvlist for
	 * authority elements corresponding to this instance of the daemon.
	 */
	(void) nv_alloc_init(&dp->d_nva, &fmd_nv_alloc_ops);
	dp->d_auth = fmd_protocol_authority();

	/*
	 * The fmd_module_t for the root module must be created manually.  Most
	 * of it remains unused and zero, except for the few things we fill in.
	 */
	dp->d_rmod = fmd_zalloc(sizeof (fmd_module_t), FMD_SLEEP);
	dp->d_rmod->mod_name = fmd_strdup(dp->d_pname, FMD_SLEEP);
	dp->d_rmod->mod_fmri = fmd_protocol_fmri_module(dp->d_rmod);

	fmd_list_append(&dp->d_mod_list, dp->d_rmod);
	fmd_module_hold(dp->d_rmod);

	(void) pthread_mutex_init(&dp->d_rmod->mod_lock, NULL);
	(void) pthread_cond_init(&dp->d_rmod->mod_cv, NULL);
	(void) pthread_mutex_init(&dp->d_rmod->mod_stats_lock, NULL);

	dp->d_rmod->mod_thread = fmd_thread_xcreate(dp->d_rmod, pthread_self());
	dp->d_rmod->mod_stats = fmd_zalloc(sizeof (fmd_modstat_t), FMD_SLEEP);
	dp->d_rmod->mod_ustat = fmd_ustat_create();

	if (pthread_setspecific(dp->d_key, dp->d_rmod->mod_thread) != 0)
		fmd_error(EFMD_EXIT, "failed to attach main thread key");

	if ((dp->d_stats = (fmd_statistics_t *)fmd_ustat_insert(
	    dp->d_rmod->mod_ustat, FMD_USTAT_NOALLOC, sizeof (_fmd_stats) /
	    sizeof (fmd_stat_t), (fmd_stat_t *)&_fmd_stats, NULL)) == NULL)
		fmd_error(EFMD_EXIT, "failed to initialize statistics");

	(void) pthread_mutex_lock(&dp->d_rmod->mod_lock);
	dp->d_rmod->mod_flags |= FMD_MOD_INIT;
	(void) pthread_mutex_unlock(&dp->d_rmod->mod_lock);

	/*
	 * In addition to inserting the _fmd_stats collection of program-wide
	 * statistics, we also insert a statistic named after each of our
	 * errors and update these counts in fmd_verror() (see fmd_subr.c).
	 */
	dp->d_errstats = sp = fmd_zalloc(sizeof (fmd_stat_t) *
	    (EFMD_END - EFMD_UNKNOWN), FMD_SLEEP);

	for (i = 0; i < EFMD_END - EFMD_UNKNOWN; i++, sp++) {
		(void) snprintf(sp->fmds_name, sizeof (sp->fmds_name), "err.%s",
		    strrchr(fmd_errclass(EFMD_UNKNOWN + i), '.') + 1);
		sp->fmds_type = FMD_TYPE_UINT64;
	}

	(void) fmd_ustat_insert(dp->d_rmod->mod_ustat, FMD_USTAT_NOALLOC,
	    EFMD_END - EFMD_UNKNOWN, dp->d_errstats, NULL);
}
Beispiel #2
0
topo_hdl_t *
topo_open(int version, const char *rootdir, int *errp)
{
	topo_hdl_t *thp = NULL;
	topo_alloc_t *tap;

	char platform[MAXNAMELEN];
	char isa[MAXNAMELEN];
	struct utsname uts;
	struct stat st;

	smbios_hdl_t *shp;
	smbios_system_t s1;
	smbios_info_t s2;
	id_t id;

	char *dbflags, *dbout;

	if (version != TOPO_VERSION)
		return (set_open_errno(thp, errp, ETOPO_HDL_ABIVER));

	if (rootdir != NULL && stat(rootdir, &st) < 0)
		return (set_open_errno(thp, errp, ETOPO_HDL_INVAL));

	if ((thp = topo_zalloc(sizeof (topo_hdl_t), 0)) == NULL)
		return (set_open_errno(thp, errp, ETOPO_NOMEM));

	(void) pthread_mutex_init(&thp->th_lock, NULL);

	if ((tap = topo_zalloc(sizeof (topo_alloc_t), 0)) == NULL)
		return (set_open_errno(thp, errp, ETOPO_NOMEM));

	/*
	 * Install default allocators
	 */
	tap->ta_flags = 0;
	tap->ta_alloc = topo_alloc;
	tap->ta_zalloc = topo_zalloc;
	tap->ta_free = topo_free;
	tap->ta_nvops.nv_ao_alloc = topo_nv_alloc;
	tap->ta_nvops.nv_ao_free = topo_nv_free;
	(void) nv_alloc_init(&tap->ta_nva, &tap->ta_nvops);
	thp->th_alloc = tap;

	if ((thp->th_modhash = topo_modhash_create(thp)) == NULL)
		return (set_open_errno(thp, errp, ETOPO_NOMEM));

	/*
	 * Set-up system information and search paths for modules
	 * and topology map files
	 */
	if (rootdir == NULL) {
		rootdir = topo_hdl_strdup(thp, "/");
		thp->th_rootdir = (char *)rootdir;
	} else {
		int len;
		char *rpath;

		len = strlen(rootdir);
		if (len >= PATH_MAX)
			return (set_open_errno(thp, errp, EINVAL));

		if (rootdir[len - 1] != '/') {
			rpath = alloca(len + 2);
			(void) snprintf(rpath, len + 2, "%s/", rootdir);
		} else {
			rpath = (char *)rootdir;
		}
		thp->th_rootdir = topo_hdl_strdup(thp, rpath);
	}

	platform[0] = '\0';
	isa[0] = '\0';
	(void) sysinfo(SI_PLATFORM, platform, sizeof (platform));
	(void) sysinfo(SI_ARCHITECTURE, isa, sizeof (isa));
	(void) uname(&uts);
	thp->th_platform = topo_hdl_strdup(thp, platform);
	thp->th_isa = topo_hdl_strdup(thp, isa);
	thp->th_machine = topo_hdl_strdup(thp, uts.machine);
	if ((shp = smbios_open(NULL, SMB_VERSION, 0, NULL)) != NULL) {
		if ((id = smbios_info_system(shp, &s1)) != SMB_ERR &&
		    smbios_info_common(shp, id, &s2) != SMB_ERR) {

			if (strcmp(s2.smbi_product, SMB_DEFAULT1) != 0 &&
			    strcmp(s2.smbi_product, SMB_DEFAULT2) != 0) {
				thp->th_product = topo_cleanup_auth_str(thp,
				    (char *)s2.smbi_product);
			}
		}
		smbios_close(shp);
	} else {
		thp->th_product = topo_hdl_strdup(thp, thp->th_platform);
	}

	if (thp->th_rootdir == NULL || thp->th_platform == NULL ||
	    thp->th_machine == NULL)
		return (set_open_errno(thp, errp, ETOPO_NOMEM));

	dbflags	 = getenv("TOPO_DEBUG");
	dbout = getenv("TOPO_DEBUG_OUT");
	if (dbflags != NULL)
		topo_debug_set(thp, dbflags, dbout);

	if (topo_builtin_create(thp, thp->th_rootdir) != 0) {
		topo_dprintf(thp, TOPO_DBG_ERR,
		    "failed to load builtin modules: %s\n",
		    topo_hdl_errmsg(thp));
		return (set_open_errno(thp, errp, topo_hdl_errno(thp)));
	}

	return (thp);
}