Exemple #1
0
/**
 * extern struct dlist *sysfs_get_bus_devices(struct sysfs_bus *bus);
 *
 * flag:
 * 	0 	: bus -> valid
 * 	1 	: bus -> NULL
 */
int  test_sysfs_get_bus_devices(int flag)
{
	struct sysfs_bus *bus = NULL;
	struct dlist *list = NULL;
	char *bus_name = NULL;

	switch (flag) {
	case 0:
		bus_name = val_bus_name;
		bus = sysfs_open_bus(bus_name);
		if (bus == NULL) {
			dbg_print("%s: sysfs_open_bus() failed\n",__FUNCTION__);
			return 0;
		}
		break;
	case 1:
		bus = NULL;
		break;
	default:
		return -1;
	}
	list = sysfs_get_bus_devices(bus);

	switch (flag) {
	case 0:
		if (list == NULL) {
			if (errno == 0)
				dbg_print("%s: No devices registered with bus %s\n",
						__FUNCTION__, bus_name);
			else
				dbg_print("%s: FAILED with flag = %d errno = %d\n",
						__FUNCTION__, flag, errno);
		} else {
			dbg_print("%s: SUCCEEDED with flag = %d\n\n",
					__FUNCTION__, flag);
			show_device_list(list);
			dbg_print("\n");
		}
		break;
	case 1:
		if (list != NULL)
			dbg_print("%s: FAILED with flag = %d errno = %d\n",
						__FUNCTION__, flag, errno);
		else
			dbg_print("%s: SUCCEEDED with flag = %d\n",
					__FUNCTION__, flag);
		break;
	default:
		return 0;
	}
	if (bus != NULL)
		sysfs_close_bus(bus);

	return 0;
}
Exemple #2
0
search_array_t *search_device()
{
    int total_size, capacity = 0;
    list_t head, *list, *node;
    search_array_t *array;

    mb_query_t *query_handle;
    mb_cu_notify_t notify_handle;

    memset(&head, 0, sizeof(list_t));
    notify_handle.user_arg = (void*)&head;
    notify_handle.callback = search_notify;

#ifdef _DEBUG_
    printf("====================== start search device ======================\n");
#endif

    query_handle = mb_query(J_MB_Nmp_Search_Id, &notify_handle);
    sleep(MAX_SEARCH_TIMEOUT);

#ifdef _DEBUG_
    printf("====================== stop search device ======================\n");
#endif

    mb_release(query_handle);

    for (list=&head; list->next; list=list->next)
        capacity++;
    printf("capacity: %d<!!!!!!!!!!!!!!!!!!!!!!!!!!\n", capacity);

    if (capacity)
    {
        total_size = sizeof(search_array_t) + capacity*sizeof(search_result_t);
        array = (search_array_t*)malloc(total_size);
        array->count = 0;
        array->capacity = capacity;

        for (list=head.next; node=list; list=list->next)
        {
            memcpy(&array->result[array->count++], 
                node->data, sizeof(search_result_t));
            free(node->data);
            free(node);
        }
    }

#ifdef _DEBUG_
    show_device_list(array);
#endif

    return array;
}
Exemple #3
0
int main(int argc, char **argv)
{
	int ret, i, cmd_args_len;
	struct fuse_args args = FUSE_ARGS_INIT(argc, argv);
	struct ltfs_fuse_data *priv = (struct ltfs_fuse_data *) calloc(1, sizeof(struct ltfs_fuse_data));
	char *lang, **mount_options, **snmp_options, *cmd_args;
	void *message_handle;

	/* Suppress warning on Windows builds. */
#ifdef HP_mingw_BUILD
	(void) lang;
	(void) mount_options;
#endif /* HP_mingw_BUILD */

	priv->verbose = LTFS_INFO;
	priv->allow_other = (geteuid() == 0) ? 1 : 0;
	priv->pid_orig = getpid();

#ifndef HP_mingw_BUILD
	/* Check for LANG variable and set it to en_US.UTF-8 if it is unset. */
	lang = getenv("LANG");
	if (! lang) {
		fprintf(stderr, "LTFS9015W Setting the locale to 'en_US.UTF-8'. If this is wrong, please set the LANG environment variable before starting ltfs.\n");
		ret = setenv("LANG", "en_US.UTF-8", 1);
		if (ret) {
			fprintf(stderr, "LTFS9016E Cannot set the LANG environment variable\n");
			return 1;
		}
	}
#endif /* HP_mingw_BUILD */

	/* Start up libltfs with the default logging level. User overrides are
	 * processed later, after command line parsing. */
	openlog("ltfs", LOG_PID, LOG_USER);
	ret = ltfs_init(LTFS_INFO, true, true);
	if (ret < 0) {
		/* Failed to initialize libltfs */
		ltfsmsg(LTFS_ERR, "10000E", ret);
	}

	/* Register messages with libltfs */
	ret = ltfsprintf_load_plugin("bin_ltfs", bin_ltfs_dat, &message_handle);
	if (ret < 0) {
		ltfsmsg(LTFS_ERR, "10012E", ret);
		return 1;
	}

	if (! priv) {
		ltfsmsg(LTFS_ERR, "10001E", "main: private data");
		return 1;
	}

	/* Parse command line options to pick up the configuration file */
	priv->first_parsing_pass = true;
	ret = fuse_opt_parse(&args, priv, ltfs_options_pass1, ltfs_parse_options);
	if (ret < 0) {
		ltfsmsg(LTFS_ERR, "9001E");
		return 1;
	}

	/* Load the configuration file */
	ret = config_file_load(priv->config_file, &priv->config);
	if (ret < 0) {
		ltfsmsg(LTFS_ERR, "10008E", ret);
		return 1;
	}

	/* We don't use this in HP-SOS. The code is present but it will always endup indicating that
	 * snmp is disabled.
	 */
	/* Get snmp option value from configuration file */
	snmp_options = config_file_get_options("snmp", priv->config);
	if (snmp_options) {
		priv->snmp_enabled = false;
		for (i=0; snmp_options[i]; ++i) {
			if (! strcmp(snmp_options[i], "enabled"))
				priv->snmp_enabled = true;
			else if (! strncmp(snmp_options[i], "deffile ", 8)) {
				ret = asprintf(&priv->snmp_deffile, "%s", snmp_options[i]+8);
				if (ret < 0) {
					ltfsmsg(LTFS_ERR, "10001E", "library_main: snmp_deffile");
					priv->snmp_enabled = false;
					break;
				}
			}
		}
		if (priv->snmp_enabled) {
#if 0
			ltfs_snmp_init(priv->snmp_deffile);
#endif /* 0 */
		}
	}
	
	/* Not supported on Windows. TODO: Verify this again.*/
#ifndef HP_mingw_BUILD
	/* Bring in extra mount options set in the config file */
	mount_options = config_file_get_options("single-drive", priv->config);
	if (! mount_options)
		return 1;
	for (i=0; mount_options[i]; ++i) {
		ret = fuse_opt_insert_arg(&args, i+1, mount_options[i]);
		if (ret < 0) {
			/* Could not enable FUSE option */
			ltfsmsg(LTFS_ERR, "14001E", mount_options[i], ret);
			return 1;
		}
		free(mount_options[i]);
	}
	free(mount_options);
#endif /* HP_mingw_BUILD */

	/* Parse command line options again, this time for real */
	priv->first_parsing_pass = false;
	ret = fuse_opt_parse(&args, priv, ltfs_options, ltfs_parse_options);
	if (ret < 0) {
		ltfsmsg(LTFS_ERR, "9001E");
		return 1;
	}

	/* Set the logging level */
	if (priv->verbose > 100)
		ltfs_set_syslog_level(priv->verbose / 100);
	ltfs_set_log_level(priv->verbose % 100);

	/* LTFS starting */
#ifdef GENERIC_OEM_BUILD
	ltfsmsg(LTFS_INFO, "14000I", SOFTWARE_PRODUCT_NAME, PACKAGE_VERSION, priv->verbose);
#else
	ltfsmsg(LTFS_INFO, "14000I", LTFS_VENDOR_NAME SOFTWARE_PRODUCT_NAME, PACKAGE_VERSION, priv->verbose);
#endif /* GENERIC_OEM_BUILD */

	ltfsmsg(LTFS_INFO, "14058I", "LTFS Format Specification", LTFS_INDEX_VERSION_STR);

	/* Show command line arguments */
	for (i = 0, cmd_args_len = 0 ; i < argc; i++) {
		cmd_args_len += strlen(argv[i]) + 1;
	}
	cmd_args = calloc(1, cmd_args_len + 1);
	if (!cmd_args) {
		/* Memory allocation failed */
		ltfsmsg(LTFS_ERR, "10001E", "ltfs (arguments)");
		return -ENOMEM;
	}
	strcat(cmd_args, argv[0]);
	for (i = 1; i < argc; i++) {
		strcat(cmd_args, " ");
		strcat(cmd_args, argv[i]);
	}
	ltfsmsg(LTFS_INFO, "14104I", cmd_args);
	free(cmd_args);

	/* Show build time information */
	ltfsmsg(LTFS_INFO, "14105I", BUILD_SYS_FOR);
	ltfsmsg(LTFS_INFO, "14106I", BUILD_SYS_GCC);

	/* Show run time information */
	show_runtime_system_info();

	/* Show avaliable tape device list */
	if (priv->device_list) {
		ret = show_device_list(priv);
		ltfs_finish();
		return (ret != 0) ? 0 : 1;
	}

	/* Validate sync option */
	ret = validate_sync_option(priv);
	if (ret != 0)
		return 1; /* Error message was already displayed */

	/* Print the active sync mode */
	switch(priv->sync_type) {
		case LTFS_SYNC_TIME:
			ltfsmsg(LTFS_INFO, "14063I", "time", priv->sync_time);
			break;
		case LTFS_SYNC_CLOSE:
			ltfsmsg(LTFS_INFO, "14064I", "close");
			break;
		case LTFS_SYNC_UNMOUNT:
			ltfsmsg(LTFS_INFO, "14064I", "unmount");
			break;
		default:
			ltfsmsg(LTFS_ERR, "14065E", priv->sync_type);
			return 1;
	}

	/* Enable correct permissions checking in the kernel if any permission overrides are set */
	ret = fuse_opt_add_arg(&args, "-odefault_permissions");
	if (ret < 0) {
		/* Could not enable FUSE option */
		ltfsmsg(LTFS_ERR, "14001E", "default_permissions", ret);
		return 1;
	}

	/* Let all users access this filesystem by default */
	if (priv->allow_other) {
		ret = fuse_opt_add_arg(&args, "-oallow_other");
		if (ret < 0) {
			/* Could not enable FUSE option */
			ltfsmsg(LTFS_ERR, "14001E", "allow_other", ret);
			return 1;
		}
	}

	/* Unlink objects from the file system instead of having them renamed to .fuse_hidden */
	ret = fuse_opt_add_arg(&args, "-ohard_remove");
	if (ret < 0) {
		/* Could not enable FUSE option */
		ltfsmsg(LTFS_ERR, "14001E", "hard_remove", ret);
		return 1;
	}

	/* perform reads synchronously */
	ret = fuse_opt_add_arg(&args, "-osync_read");
	if (ret < 0) {
		/* Could not enable FUSE option */
		ltfsmsg(LTFS_ERR, "14001E", "sync_read", ret);
		return 1;
	}

#ifdef __APPLE__
    /* Change MacFUSE timeout from 60 secs to 3100 secs (41mins) */
    /* 3100 secs comes from the timeout value of locate/space, it is the most longest timeout value  */
    /* in the commands used by LTFS. Actually the timeout value of locate/space is 2500 secs,        */
    /* we set the MacFUSE as the timeout value of locate/space + 10 mins. Because MacFUSE timeout    */
    /* should come after the drive command timeout.                                                  */
	fuse_opt_add_arg(&args, "-odaemon_timeout=3100");
	if (ret < 0) {
		/* Could not enable FUSE option */
		ltfsmsg(LTFS_ERR, "14001E", "daemon_timeout", ret);
		return 1;
	}
	/*
	 *  Disable vnode cache to return correct owner.
	 *  LTFS will return the owner as accessed user, vnode cache will return previous user
	 *  when the cache is hot.
	 */
	fuse_opt_add_arg(&args, "-onovncache");
	if (ret < 0) {
		/* Could not enable FUSE option */
		ltfsmsg(LTFS_ERR, "14001E", "novncache", ret);
		return 1;
	}
#endif

#if FUSE_VERSION >= 28
	/* For FUSE 2.8 or higher, automatically enable big_writes */
	ret = fuse_opt_add_arg(&args, "-obig_writes");
	if (ret < 0) {
		/* Could not enable FUSE option */
		ltfsmsg(LTFS_ERR, "14001E", "big_writes", ret);
		return 1;
	}
#endif

	/* Set up permissions based on mount options and current user information */
	ret = permissions_setup(priv);
	if (ret < 0) {
		/* Failed to set up permissions */
		ltfsmsg(LTFS_ERR, "14002E", ret);
		usage(argv[0], priv);
		return 1;
	}

	/* Bring in some configuration defaults if needed */
	if (priv->tape_backend_name == NULL) {
		priv->tape_backend_name = config_file_get_default_plugin("driver", priv->config);
		if (priv->tape_backend_name == NULL) {
			/* No driver plugin configured and no default found */
			ltfsmsg(LTFS_ERR, "14056E");
			return 1;
		}
	}
	if (priv->iosched_backend_name == NULL)
		priv->iosched_backend_name = config_file_get_default_plugin("iosched", priv->config);
	if (priv->iosched_backend_name && strcmp(priv->iosched_backend_name, "none") == 0)
		priv->iosched_backend_name = NULL;
	if (priv->kmi_backend_name == NULL)
		priv->kmi_backend_name = config_file_get_default_plugin("kmi", priv->config);
	if (priv->kmi_backend_name && strcmp(priv->kmi_backend_name, "none") == 0)
		priv->kmi_backend_name = NULL;
	if (priv->work_directory == NULL || ! strcmp(priv->work_directory, ""))
		priv->work_directory = LTFS_DEFAULT_WORK_DIR;
	if (priv->force_min_pool) {
		priv->min_pool_size = parse_size_t(priv->force_min_pool);
		if (priv->min_pool_size == 0) {
			ltfsmsg(LTFS_ERR, "14109E");
			return 1;
		}
	} else
		priv->min_pool_size = LTFS_MIN_CACHE_SIZE_DEFAULT;
	if (priv->force_max_pool) {
		priv->max_pool_size = parse_size_t(priv->force_max_pool);
		if (priv->max_pool_size == 0) {
			ltfsmsg(LTFS_ERR, "14110E");
			return 1;
		}
	} else
		priv->max_pool_size = LTFS_MAX_CACHE_SIZE_DEFAULT;
	if (priv->min_pool_size > priv->max_pool_size) {
		/* Min pool size cannot be greater than max pool size */
		ltfsmsg(LTFS_ERR, "14003E", priv->min_pool_size, priv->max_pool_size);
		return 1;
	}

	/*
	 * Make sure at least one parameter was provided (mount point).  
	 * If exactly one param, check if it's an accessible directory.
	 * With more than one param, have to defer to fuse_main to find if valid.
	 */
#ifndef HP_mingw_BUILD
	struct stat mpstatbuf;
#endif /* HP_mingw_BUILD */
	if (argc < 2) {
		ltfsmsg(LTFS_ERR, "14200E");  /* missing mountpoint parameter */
		usage (argv[0], priv);
		return 1;

	}
	/* OSR
	 *
	 * In our MinGW environment, the mount point does not exist when
	 * the file system is executed
	 */
#ifndef HP_mingw_BUILD
	if (argc == 2) {
		ret = stat(argv[1], &mpstatbuf);
		if (ret < 0) {
			/* Path does not exist */
			ltfsmsg(LTFS_ERR, "14201E", argv[1]);
			return 1;

		} else if (! S_ISDIR(mpstatbuf.st_mode)) {
			/* Path exists but is not a directory */
			ltfsmsg(LTFS_ERR, "14201E", argv[1]);
			return 1;
		}
	}
#endif /* HP_mingw_BUILD */

	/* Make sure work directory exists */
	ret = create_workdir(priv);
	if (ret < 0) {
		if (priv->work_directory) {
			free((void *)priv->work_directory);
			priv->work_directory = NULL;
			priv->work_directory = LTFS_DEFAULT_WORK_DIR;
		}
	}

	/* Load plugins */
	ret = plugin_load(&priv->driver_plugin, "driver", priv->tape_backend_name, priv->config);
	if (ret < 0) {
		ltfsmsg(LTFS_ERR, "14054E", ret);
		return 1;
	}
	if (priv->iosched_backend_name) {
		ret = plugin_load(&priv->iosched_plugin, "iosched", priv->iosched_backend_name,
			priv->config);
		if (ret < 0) {
			ltfsmsg(LTFS_ERR, "14055E", ret);
			return 1;
		}
	}
	if (priv->kmi_backend_name) {
		ret = plugin_load(&priv->kmi_plugin, "kmi", priv->kmi_backend_name,
			priv->config);
		if (ret < 0) {
			ltfsmsg(LTFS_ERR, "14057E", ret);
			return 1;
		}
	}

	/* Make sure we have a device name */
	if (! priv->devname) {
		priv->devname = ltfs_default_device_name(priv->driver_plugin.ops);
		if (! priv->devname) {
			/* The backend \'%s\' does not have a default device */
			ltfsmsg(LTFS_ERR, "14009E", priv->tape_backend_name);
			return 1;
		}
	}

	/* Initialize filesystem component in libltfs */
	ret = ltfs_fs_init();
	if (ret)
		return 1;

	/* Invoke the single drive main operations */
	ret = ltfs_mutex_init(&priv->file_table_lock);
	if (ret) {
		/*  Cannot initialize open file table */
		ltfsmsg(LTFS_ERR, "14114E");
		return 1;
	}
	ret = single_drive_main(&args, priv);

	/* Send a trap of LTFS termination */
#if 0
	if (priv->snmp_enabled)
		ltfs_snmp_finish();
#endif /* 0 */

	/* Unload plugins */
	if (priv->iosched_backend_name)
		plugin_unload(&priv->iosched_plugin);
	if (priv->kmi_backend_name)
		plugin_unload(&priv->kmi_plugin);
	plugin_unload(&priv->driver_plugin);

	/* Free data structures */
	ltfsprintf_unload_plugin(message_handle);
	ltfs_finish();
	config_file_free(priv->config);
	free(priv);
	fuse_opt_free_args(&args);

	return ret;
}