DEFINE_ERRLIST;
#define DATABASE_DIR "/tmp/adu"
+#define UID_LIST DATABASE_DIR "/" "uid_list"
+
+struct user_info {
+ uint32_t uid;
+ struct osl_table *table;
+ uint64_t files;
+ uint64_t bytes;
+ uint64_t dirs;
+ struct osl_table_description *desc;
+};
+
+static struct user_info *uid_hash_table;
/** evaluates to 1 if x < y, to -1 if x > y and to 0 if x == y */
#define NUM_COMPARE(x, y) ((int)((x) < (y)) - (int)((x) > (y)))
* are taken into account.
*
* \return It returns an integer less than, equal to, or greater than zero if
- * \a obj1 is found, respectively, to be less than, to match, or be greater than
- * obj2.
+ * \a obj1 is found, respectively, to be less than, to match, or be greater
+ * than obj2.
*
* \sa strcmp(3), strncmp(3), osl_compare_func.
*/
-int string_compare(const struct osl_object *obj1, const struct osl_object *obj2)
+static int string_compare(const struct osl_object *obj1,
+ const struct osl_object *obj2)
{
const char *str1 = (const char *)obj1->data;
const char *str2 = (const char *)obj2->data;
return strncmp(str1, str2, MIN(obj1->size, obj2->size));
}
+/**
+ * Compare two osl objects pointing to unsigned integers of 64 bit size.
+ *
+ * \param obj1 Pointer to the first integer.
+ * \param obj2 Pointer to the second integer.
+ *
+ * \return The values required for an osl compare function.
+ *
+ * \sa osl_compare_func, osl_hash_compare().
+ */
+static int uint64_compare(const struct osl_object *obj1,
+ const struct osl_object *obj2)
+{
+ uint64_t d1 = read_u64((const char *)obj1->data);
+ uint64_t d2 = read_u64((const char *)obj2->data);
+
+ if (d1 < d2)
+ return 1;
+ if (d1 > d2)
+ return -1;
+ return 0;
+}
+
/** The columns of the directory table. */
enum dir_table_columns {
/** The name of the directory. */
.storage_type = OSL_MAPPED_STORAGE,
.storage_flags = OSL_RBTREE | OSL_FIXED_SIZE | OSL_UNIQUE,
.name = "num",
- .compare_function = uint32_compare,
- .data_size = sizeof(uint32_t)
+ .compare_function = uint64_compare,
+ .data_size = sizeof(uint64_t)
},
[DT_BYTES] = {
.storage_type = OSL_MAPPED_STORAGE,
.storage_type = OSL_MAPPED_STORAGE,
.storage_flags = OSL_RBTREE | OSL_FIXED_SIZE | OSL_UNIQUE,
.name = "dir_num",
- .compare_function = uint32_compare,
- .data_size = sizeof(uint32_t)
+ .compare_function = uint64_compare,
+ .data_size = sizeof(uint64_t)
},
[UT_BYTES] = {
.storage_type = OSL_MAPPED_STORAGE,
static struct osl_table *dir_table;
-int add_directory(char *dirname, uint32_t dir_num, uint64_t *dir_size,
+static int add_directory(char *dirname, uint64_t dir_num, uint64_t *dir_size,
uint64_t *dir_files)
{
struct osl_object dir_objects[NUM_DT_COLUMNS];
- INFO_LOG("adding #%u: %s\n", dir_num, dirname);
+ INFO_LOG("adding #%llu: %s\n", (long long unsigned)dir_num, dirname);
dir_objects[DT_NAME].data = dirname;
dir_objects[DT_NAME].size = strlen(dirname) + 1;
dir_objects[DT_NUM].data = &dir_num;
static uint32_t num_uids;
-int create_and_open_user_table(uint32_t uid, struct osl_table **t)
+static int open_user_table(struct user_info *ui, int create)
{
int ret;
- struct osl_table_description *desc = para_malloc(sizeof(*desc));
- desc->num_columns = NUM_UT_COLUMNS;
- desc->flags = 0;
- desc->column_descriptions = user_table_cols;
- desc->dir = para_strdup(DATABASE_DIR);
- desc->name = make_message("%u", uid);
+ ui->desc = para_malloc(sizeof(*ui->desc));
+ ui->desc->num_columns = NUM_UT_COLUMNS;
+ ui->desc->flags = 0;
+ ui->desc->column_descriptions = user_table_cols;
+ ui->desc->dir = para_strdup(DATABASE_DIR);
+ ui->desc->name = make_message("%u", (unsigned)ui->uid);
num_uids++;
INFO_LOG(".............................uid #%u: %u\n",
- (unsigned)num_uids, (unsigned)uid);
-// user_table_desc.name = make_message("%u", uid);
- ret = osl_create_table(desc);
+ (unsigned)num_uids, (unsigned)ui->uid);
+ if (create) {
+ ret = osl_create_table(ui->desc);
+ if (ret < 0)
+ goto err;
+ }
+ ret = osl_open_table(ui->desc, &ui->table);
if (ret < 0)
- return ret;
- return osl_open_table(desc, t);
+ goto err;
+ return 1;
+err:
+ free((char *)ui->desc->name);
+ free((char *)ui->desc->dir);
+ free(ui->desc);
+ ui->desc->name = NULL;
+ ui->desc->dir = NULL;
+ ui->desc = NULL;
+ ui->table = NULL;
+ return ret;
}
-
#define uid_hash_bits 8
static uint32_t uid_hash_table_size = 1 << uid_hash_bits;
#define PRIME1 0x811c9dc5
#define PRIME2 0x01000193
-struct user_info {
- uint32_t uid;
- struct osl_table *table;
- uint64_t files;
- uint64_t bytes;
-};
-
-static struct user_info *uid_hash_table;
-
static void create_hash_table(void)
{
uid_hash_table = para_calloc(uid_hash_table_size
* sizeof(struct user_info));
}
+static void free_hash_table(void)
+{
+ free(uid_hash_table);
+ uid_hash_table = NULL;
+}
+
static int create_tables(void)
{
+ int ret;
+
+ ret = osl_create_table(&dir_table_desc);
+ if (ret < 0)
+ return ret;
create_hash_table();
- return osl_create_table(&dir_table_desc);
+ return 1;
}
static uint32_t double_hash(uint32_t uid, uint32_t probe_num)
{
- return (uid * PRIME1 + ((uid * PRIME2) | 1) * probe_num) % uid_hash_table_size;
+ return (uid * PRIME1 + ((uid * PRIME2) | 1) * probe_num)
+ % uid_hash_table_size;
}
-#define FOR_EACH_USER(ui) for (ui = uid_hash_table; ui < uid_hash_table \
+#define FOR_EACH_USER(ui) for (ui = uid_hash_table; ui && ui < uid_hash_table \
+ uid_hash_table_size; ui++)
-static int search_uid(uint32_t uid, int insert, struct user_info **ui)
+enum search_uid_flags {
+ OPEN_USER_TABLE = 1,
+ CREATE_USER_TABLE = 2,
+};
+
+static int search_uid(uint32_t uid, enum search_uid_flags flags,
+ struct user_info **ui_ptr)
{
uint32_t p;
for (p = 0; p < uid_hash_table_size; p++) {
- struct user_info *i = uid_hash_table + double_hash(uid, p);
- if (!i->table) {
- if (!insert)
+ struct user_info *ui = uid_hash_table + double_hash(uid, p);
+
+ if (!ui->table) {
+ int ret;
+
+ if (!flags)
return -E_BAD_UID;
- int ret = create_and_open_user_table(uid, &i->table);
+ ui->uid = uid;
+ ret = open_user_table(ui, flags & CREATE_USER_TABLE);
if (ret < 0)
return ret;
- i->uid = uid;
- *ui = i;
+ if (ui_ptr)
+ *ui_ptr = ui;
return 1;
}
- if (i->uid != uid)
+ if (ui->uid != uid)
continue;
- *ui = i;
+ if (ui_ptr)
+ *ui_ptr = ui;
return 0;
}
- return insert? -E_HASH_TABLE_OVERFLOW : -E_BAD_UID;
+ return flags? -E_HASH_TABLE_OVERFLOW : -E_BAD_UID;
}
-static int update_user_row(struct osl_table *t, uint32_t dir_num,
+static int update_user_row(struct osl_table *t, uint64_t dir_num,
uint64_t *add)
{
struct osl_row *row;
}
}
-static uint32_t num_dirs;
-static uint32_t num_files;
+static uint64_t num_dirs;
+static uint64_t num_files;
static uint64_t num_bytes;
int scan_dir(char *dirname)
struct dirent *entry;
int ret, cwd_fd, ret2;
uint64_t dir_size = 0, dir_files = 0;
- uint32_t this_dir_num = num_dirs++;
+ uint64_t this_dir_num = num_dirs++;
- DEBUG_LOG("----------------- %u: %s\n", num_dirs, dirname);
+ DEBUG_LOG("----------------- %llu: %s\n", (long long unsigned)num_dirs, dirname);
ret = para_opendir(dirname, &dir, &cwd_fd);
if (ret < 0) {
if (ret != -ERRNO_TO_ERROR(EACCES))
dir_files++;
num_files++;
uid = s.st_uid;
- ret = search_uid(uid, 1, &ui);
+ ret = search_uid(uid, CREATE_USER_TABLE | OPEN_USER_TABLE, &ui);
if (ret < 0)
goto out;
ui->bytes += size;
return 1;
}
-static int print_dirname_and_size(struct osl_row *row, void *data)
-{
- unsigned *count = data;
- struct osl_object obj;
- char *name;
- int ret;
+enum global_stats_flags {
+ GSF_PRINT_DIRNAME = 1,
+ GSF_PRINT_BYTES = 2,
+ GSF_PRINT_FILES = 4,
+ GSF_COMPUTE_SUMMARY = 8,
+};
- if ((*count)++ > 100)
- return -E_LOOP_COMPLETE;
- ret = get_dir_name(row, &name);
- if (ret < 0)
- return ret;
- ret = osl_get_object(dir_table, row, DT_BYTES, &obj);
- if (ret < 0)
- return ret;
- printf("%s\t%llu\n", name, *(long long unsigned *)obj.data);
- return 1;
-}
+struct global_stats_info {
+ uint32_t count;
+ enum global_stats_flags flags;
+};
-static int print_dirname_and_file_count(struct osl_row *row, void *data)
+static int global_stats_loop_function(struct osl_row *row, void *data)
{
- unsigned *count = data;
+ struct global_stats_info *gsi = data;
struct osl_object obj;
- char *name;
- int ret;
+ char *dirname;
+ int ret, summary = gsi->flags & GSF_COMPUTE_SUMMARY;
- if ((*count)++ > 100)
+ if (!gsi->count && !summary)
return -E_LOOP_COMPLETE;
- ret = get_dir_name(row, &name);
- if (ret < 0)
- return ret;
- ret = osl_get_object(dir_table, row, DT_FILES, &obj);
- if (ret < 0)
- return ret;
- printf("%s\t%llu\n", name, *(long long unsigned *)obj.data);
+ if (gsi->count && (gsi->flags & GSF_PRINT_DIRNAME)) {
+ ret = get_dir_name(row, &dirname);
+ if (ret < 0)
+ return ret;
+ printf("%s%s", dirname,
+ (gsi->flags & (GSF_PRINT_FILES | GSF_PRINT_BYTES))?
+ "\t" : "\n"
+ );
+ }
+ if (summary || (gsi->count && (gsi->flags & GSF_PRINT_FILES))) {
+ uint64_t files;
+ ret = osl_get_object(dir_table, row, DT_FILES, &obj);
+ if (ret < 0)
+ return ret;
+ files = *(uint64_t *)obj.data;
+ if (gsi->count && (gsi->flags & GSF_PRINT_FILES))
+ printf("%llu%s", (long long unsigned)files,
+ (gsi->flags & GSF_PRINT_BYTES)? "\t" : "\n");
+ if (summary)
+ num_files += files;
+ }
+ if (summary || (gsi->count && (gsi->flags & GSF_PRINT_BYTES))) {
+ uint64_t bytes;
+ ret = osl_get_object(dir_table, row, DT_BYTES, &obj);
+ if (ret < 0)
+ return ret;
+ bytes = *(uint64_t *)obj.data;
+ if (gsi->count && (gsi->flags & GSF_PRINT_BYTES))
+ printf("%llu\n", (long long unsigned)bytes);
+ if (summary) {
+ num_bytes += bytes;
+ num_dirs++;
+ }
+ }
+ if (gsi->count)
+ gsi->count--;
return 1;
}
{
struct user_info *ui;
+ printf("--------------------- user summary (uid/dirs/files/bytes):\n");
FOR_EACH_USER(ui) {
if (!ui->table)
continue;
- printf("%u\t%llu\t%llu\n", (unsigned)ui->uid, (long long unsigned)ui->files,
+ printf("%u\t%llu\t%llu\t%llu\n", (unsigned)ui->uid,
+ (long long unsigned)ui->dirs,
+ (long long unsigned)ui->files,
(long long unsigned)ui->bytes);
}
}
-struct big_dir_info {
- unsigned count;
- struct osl_table *user_table;
+enum user_stats_flags {
+ USF_PRINT_DIRNAME = 1,
+ USF_PRINT_BYTES = 2,
+ USF_PRINT_FILES = 4,
+ USF_COMPUTE_SUMMARY = 8,
+};
+
+struct user_stats_info {
+ uint32_t count;
+ enum user_stats_flags flags;
+ struct user_info *ui;
};
-static int print_big_dir(struct osl_row *row, void *data)
+static int user_stats_loop_function(struct osl_row *row, void *data)
{
- struct big_dir_info *bdi = data;
- int ret;
+ struct user_stats_info *usi = data;
struct osl_row *dir_row;
- char *dirname;
- uint64_t bytes;
struct osl_object obj;
+ int ret, summary = usi->flags & GSF_COMPUTE_SUMMARY;
- if (bdi->count++ > 10)
+ if (!usi->count && !summary)
return -E_LOOP_COMPLETE;
- ret = osl_get_object(bdi->user_table, row, UT_BYTES, &obj);
- if (ret < 0)
- return ret;
- bytes = *(uint64_t *)obj.data;
- ret = osl_get_object(bdi->user_table, row, UT_DIR_NUM, &obj);
- if (ret < 0)
- return ret;
- ret = osl_get_row(dir_table, DT_NUM, &obj, &dir_row);
- if (ret < 0)
- return ret;
- ret = osl_get_object(dir_table, dir_row, DT_NAME, &obj);
- if (ret < 0)
- return ret;
- dirname = obj.data;
- printf("%s: %llu\n", dirname, (long long unsigned)bytes);
+ if (usi->count && (usi->flags & USF_PRINT_DIRNAME)) {
+ char *dirname;
+ ret = osl_get_object(usi->ui->table, row, UT_DIR_NUM, &obj);
+ if (ret < 0)
+ return ret;
+ ret = osl_get_row(dir_table, DT_NUM, &obj, &dir_row);
+ if (ret < 0)
+ return ret;
+ ret = osl_get_object(dir_table, dir_row, DT_NAME, &obj);
+ if (ret < 0)
+ return ret;
+ dirname = obj.data;
+ printf("%s%s",
+ dirname,
+ (usi->flags & (USF_PRINT_FILES | USF_PRINT_BYTES))?
+ "\t" : "\n"
+ );
+ }
+ if (summary || (usi->count && (usi->flags & USF_PRINT_FILES))) {
+ uint64_t files;
+ ret = osl_get_object(usi->ui->table, row, UT_FILES, &obj);
+ if (ret < 0)
+ return ret;
+ files = *(uint64_t *)obj.data;
+ if (usi->count && (usi->flags & USF_PRINT_FILES))
+ printf("%llu%s",
+ (long long unsigned)files,
+ (usi->flags & USF_PRINT_BYTES)? "\t" : "\n"
+ );
+ if (summary)
+ usi->ui->files += files;
+ }
+ if (summary || (usi->count && (usi->flags & USF_PRINT_BYTES))) {
+ uint64_t bytes;
+ ret = osl_get_object(usi->ui->table, row, UT_BYTES, &obj);
+ if (ret < 0)
+ return ret;
+ bytes = *(uint64_t *)obj.data;
+ if (usi->count && (usi->flags & USF_PRINT_BYTES))
+ printf("%llu\n", (long long unsigned)bytes);
+ if (summary) {
+ usi->ui->bytes += bytes;
+ usi->ui->dirs++;
+ }
+
+ }
+ if (usi->count)
+ usi->count--;
return 1;
}
-static void print_id_dir_stats(void)
+static void print_user_stats(void)
{
struct user_info *ui;
FOR_EACH_USER(ui) {
- struct big_dir_info bdi = {.count = 0};
+ struct user_stats_info usi = {
+ .count = 10,
+ .ui = ui
+ };
if (!ui->table)
continue;
- bdi.user_table = ui->table;
- printf("************************* Big dirs owned by uid %u\n", (unsigned) ui->uid);
- osl_rbtree_loop_reverse(ui->table, UT_BYTES, &bdi, print_big_dir);
+ usi.flags = USF_PRINT_DIRNAME | USF_PRINT_BYTES | USF_COMPUTE_SUMMARY;
+ printf("************************************************ uid %u\n",
+ (unsigned) ui->uid);
+ if (!ui->table)
+ continue;
+ printf("----------------- Largest dirs -------------------\n");
+ osl_rbtree_loop_reverse(ui->table, UT_BYTES, &usi,
+ user_stats_loop_function);
+ printf("---------- dirs containing most files ------------\n");
+ usi.count = 10;
+ usi.flags = USF_PRINT_DIRNAME | USF_PRINT_FILES;
+ osl_rbtree_loop_reverse(ui->table, UT_FILES, &usi,
+ user_stats_loop_function);
}
}
static int print_statistics(void)
{
- unsigned count = 0;
int ret;
-
- printf("Summary: %u dirs, %u files, %llu bytes\n", (unsigned)num_dirs,
- (unsigned)num_files, (long long unsigned)num_bytes);
- printf("************************* Biggest dirs\n");
- ret = osl_rbtree_loop_reverse(dir_table, DT_BYTES, &count, print_dirname_and_size);
+ struct global_stats_info gsi = {
+ .count = 10,
+ .flags = GSF_PRINT_DIRNAME | GSF_PRINT_BYTES | GSF_COMPUTE_SUMMARY
+ };
+
+ printf("----------------- Largest dirs -------------------\n");
+ ret = osl_rbtree_loop_reverse(dir_table, DT_BYTES, &gsi,
+ global_stats_loop_function);
if (ret < 0 && ret != -E_LOOP_COMPLETE)
return ret;
- count = 0;
- printf("************************* dirs containing many files\n");
- ret = osl_rbtree_loop_reverse(dir_table, DT_FILES, &count, print_dirname_and_file_count);
+ gsi.count = 10;
+
+ gsi.flags = GSF_PRINT_DIRNAME | GSF_PRINT_FILES;
+ printf("---------- dirs containing most files ------------\n");
+ ret = osl_rbtree_loop_reverse(dir_table, DT_FILES, &gsi,
+ global_stats_loop_function);
if (ret < 0 && ret != -E_LOOP_COMPLETE)
return ret;
- printf("************************* dirs stats by owner\n");
+ printf("------------------ Global summary (dirs/files/bytes)\n"
+ "%llu\t%llu\t%llu\n",
+ (long long unsigned)num_dirs, (long long unsigned)num_files,
+ (long long unsigned)num_bytes);
+ print_user_stats();
print_id_stats();
- print_id_dir_stats();
return 1;
}
static int write_uid_list(void)
{
- char *buf, *filename = DATABASE_DIR "/" "uid_list";
+ char *buf;
uint32_t count = 0;
struct user_info *ui;
size_t size = num_uids * sizeof(uint32_t);
continue;
write_u32(buf + count++ * sizeof(uint32_t), ui->uid);
}
- ret = para_write_file(filename, buf, size);
+ ret = para_write_file(UID_LIST, buf, size);
free(buf);
return ret;
}
-static int com_create(char *dirname)
+static int open_dir_table(void)
{
- int ret = scan_dir(dirname);
+ return osl_open_table(&dir_table_desc, &dir_table);
+}
+static void close_dir_table(void)
+{
+ int ret;
+
+ if (!dir_table)
+ return;
+ ret = osl_close_table(dir_table, OSL_MARK_CLEAN);
if (ret < 0)
- return ret;
- return write_uid_list();
+ ERROR_LOG("failed to close dir table: %s\n", error_txt(-ret));
+ dir_table = NULL;
}
-int main(int argc, char **argv)
+static void close_user_table(struct user_info *ui)
+{
+ int ret;
+
+ if (!ui || !ui->table)
+ return;
+ ret = osl_close_table(ui->table, OSL_MARK_CLEAN);
+ if (ret < 0)
+ ERROR_LOG("failed to close user table %u: %s\n",
+ (unsigned) ui->uid, error_txt(-ret));
+ free((char *)ui->desc->name);
+ ui->desc->name = NULL;
+ free((char *)ui->desc->dir);
+ ui->desc->dir = NULL;
+ free(ui->desc);
+ ui->desc = NULL;
+ ui->table = NULL;
+}
+
+static void close_user_tables(void)
+{
+ struct user_info *ui;
+
+ FOR_EACH_USER(ui)
+ close_user_table(ui);
+}
+
+static void close_all_tables(void)
+{
+ close_dir_table();
+ close_user_tables();
+ free_hash_table();
+}
+
+static int com_create(char *dirname)
{
int ret = create_tables();
if (ret < 0)
- goto out;
- ret = osl_open_table(&dir_table_desc, &dir_table);
+ return ret;
+ ret = open_dir_table();
+ if (ret < 0)
+ return ret;
+ ret = scan_dir(dirname);
if (ret < 0)
goto out;
- ret = -E_SYNTAX;
- if (argc != 2)
+ ret = write_uid_list();
+out:
+ close_all_tables();
+ return ret;
+}
+
+static int read_uid_file(void)
+{
+ char *map;
+ size_t size;
+ int ret = mmap_full_file(UID_LIST, O_RDONLY, (void **)&map, &size, NULL);
+ uint32_t n;
+
+ if (ret < 0)
+ return ret;
+ num_uids = size / 4;
+ /* hash table size should be a power of two and larger than the number of uids */
+ uid_hash_table_size = 4;
+ while (uid_hash_table_size < num_uids)
+ uid_hash_table_size *= 2;
+ create_hash_table();
+ for (n = 0; n < num_uids; n++) {
+ uint32_t uid = read_u32(map + n * sizeof(uid));
+ ret = search_uid(uid, OPEN_USER_TABLE, NULL);
+ if (ret < 0)
+ goto out;
+ }
+out:
+ para_munmap(map, size);
+ return ret;
+}
+
+static int com_select(void)
+{
+ int ret;
+
+ ret = open_dir_table();
+ if (ret < 0)
+ return ret;
+ ret = read_uid_file();
+ if (ret < 0)
+ return ret;
+ print_statistics();
+ close_all_tables();
+ return 1;
+}
+
+int main(int argc, char **argv)
+{
+ int ret = -E_SYNTAX;
+ if (argc > 2)
goto out;
- ret = com_create(argv[1]);
+ if (argc == 1)
+ ret = com_select();
+ else
+ ret = com_create(argv[1]);
if (ret < 0)
goto out;
- print_statistics();
out:
if (ret < 0) {
ERROR_LOG("%s\n", error_txt(-ret));
}
return EXIT_SUCCESS;
}
-
projects / adu.git / commitdiff