#include <dirent.h> /* readdir() */
#include "gcc-compat.h"
+#include "cmdline.h"
#include "fd.h"
#include "string.h"
#include "error.h"
+#include "portable_io.h"
DEFINE_ERRLIST;
+#define DATABASE_DIR "/tmp/adu"
+#define UID_LIST DATABASE_DIR "/" "uid_list"
+/** Command line and config file options. */
+static struct gengetopt_args_info conf;
+
+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)))
time_t t1;
char str[255] = "";
- if (ll < 4)
+ if (ll < conf.loglevel_arg)
return;
outfd = stderr;
time(&t1);
* 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,
.num_columns = NUM_DT_COLUMNS,
.flags = 0,
.column_descriptions = dir_table_cols,
- .dir = "/tmp/adu"
-};
-
-/** The columns of the id table. */
-enum id_table_columns {
- /** The user id. */
- IDT_UID,
- /** The number of bytes of all regular files owned by this id. */
- IDT_BYTES,
- /** The number of regular files owned by this id. */
- IDT_FILES,
- /** The user table for this uid. */
- IDT_TABLE,
- /** Number of columns in this table. */
- NUM_IDT_COLUMNS
-};
-
-static struct osl_column_description id_table_cols[] = {
- [IDT_UID] = {
- .storage_type = OSL_MAPPED_STORAGE,
- .storage_flags = OSL_RBTREE | OSL_FIXED_SIZE | OSL_UNIQUE,
- .name = "uid",
- .compare_function = uint32_compare,
- .data_size = sizeof(uint32_t)
- },
- [IDT_BYTES] = {
- .storage_type = OSL_MAPPED_STORAGE,
- .storage_flags = OSL_RBTREE | OSL_FIXED_SIZE,
- .compare_function = size_compare,
- .name = "num_bytes",
- .data_size = sizeof(uint64_t)
- },
- [IDT_FILES] = {
- .storage_type = OSL_MAPPED_STORAGE,
- .storage_flags = OSL_RBTREE | OSL_FIXED_SIZE,
- .compare_function = size_compare,
- .name = "num_filess",
- .data_size = sizeof(uint64_t)
- },
- [IDT_TABLE] = {
- .storage_type = OSL_NO_STORAGE,
- .storage_flags = OSL_FIXED_SIZE | OSL_UNIQUE,
- .name = "user_table",
- .data_size = sizeof(void *)
- }
-};
-
-static struct osl_table_description id_table_desc = {
- .name = "id_table",
- .num_columns = NUM_IDT_COLUMNS,
- .flags = 0,
- .column_descriptions = id_table_cols,
- .dir = "/tmp/adu"
+ .dir = DATABASE_DIR
};
/** The columns of the id table. */
.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)
},
- [IDT_BYTES] = {
+ [UT_BYTES] = {
.storage_type = OSL_MAPPED_STORAGE,
.storage_flags = OSL_RBTREE | OSL_FIXED_SIZE,
.compare_function = size_compare,
.name = "num_bytes",
.data_size = sizeof(uint64_t)
},
- [IDT_FILES] = {
+ [UT_FILES] = {
.storage_type = OSL_MAPPED_STORAGE,
.storage_flags = OSL_RBTREE | OSL_FIXED_SIZE,
.compare_function = size_compare,
},
};
-static struct osl_table_description user_table_desc = {
- .num_columns = NUM_UT_COLUMNS,
- .flags = 0,
- .column_descriptions = user_table_cols,
- .dir = "/tmp/adu"
-};
static struct osl_table *dir_table;
-static struct osl_table *id_table;
-
-static int create_tables(void)
-{
- int ret = osl_create_table(&dir_table_desc);
- if (ret < 0)
- return ret;
- ret = osl_create_table(&id_table_desc);
- if (ret < 0)
- return ret;
- return 1;
-}
-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;
return osl_add_row(dir_table, dir_objects);
}
-int create_and_open_user_table(uint32_t uid, struct osl_table **t)
+static uint32_t num_uids;
+
+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("/tmp/adu");
- desc->name = make_message("%u", uid);
- INFO_LOG("................................. %u\n", uid);
-// user_table_desc.name = make_message("%u", uid);
- ret = osl_create_table(desc);
+
+ 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)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;
}
-static int insert_id_row(uint32_t uid, struct osl_table *t, struct osl_row **row)
+#define uid_hash_bits 8
+static uint32_t uid_hash_table_size = 1 << uid_hash_bits;
+#define PRIME1 0x811c9dc5
+#define PRIME2 0x01000193
+
+static void create_hash_table(void)
{
- struct osl_object objects[NUM_IDT_COLUMNS];
- uint64_t num = 0;
-
- struct osl_table **table_ptr = para_malloc(sizeof(*table_ptr));
- *table_ptr = t;
-
- INFO_LOG("§§§§§§§§§§§§§§§§§§§§§ uid: %d, t: %p\n", uid, t);
- objects[IDT_UID].data = &uid;
- objects[IDT_UID].size = sizeof(uid);
- objects[IDT_BYTES].data = #
- objects[IDT_BYTES].size = sizeof(num);
- objects[IDT_FILES].data = #
- objects[IDT_FILES].size = sizeof(num);
- objects[IDT_TABLE].data = table_ptr;
- objects[IDT_TABLE].size = sizeof(*table_ptr);
- return osl_add_and_get_row(id_table, objects, row);
+ uid_hash_table = para_calloc(uid_hash_table_size
+ * sizeof(struct user_info));
}
-static int get_user_table(struct osl_row *row, struct osl_table **t)
+static void free_hash_table(void)
{
- struct osl_object obj;
+ free(uid_hash_table);
+ uid_hash_table = NULL;
+}
+
+static int create_tables(void)
+{
+ int ret;
- int ret = osl_get_object(id_table, row, IDT_TABLE, &obj);
+ ret = osl_create_table(&dir_table_desc);
if (ret < 0)
return ret;
- *t = *(struct osl_table **)obj.data;
- INFO_LOG("^^^^^^^^^^^^^^^^^^ t: %p\n", *t);
+ create_hash_table();
return 1;
}
-static int add_id_bytes(struct osl_row *row, uint64_t *add)
+/*
+ * We use a hash table of size s=2^uid_hash_bits to map the uids into the
+ * interval [0..s]. Hash collisions are treated by open addressing, i.e.
+ * unused slots in the table are used to store different uids that hash to the
+ * same slot.
+ *
+ * If a hash collision occurs, different slots are successively probed in order
+ * to find an unused slot for the new uid. Probing is implemented via a second
+ * hash function that maps the uid to h=(uid * PRIME2) | 1, which is always an
+ * odd number.
+ *
+ * An odd number is sufficient to make sure each entry of the hash table gets
+ * probed for probe_num between 0 and s-1 because s is a power of two, hence
+ * the second hash value never hash a common divisor with the hash table size.
+ * IOW: h is invertible in the ring [0..s].
+ */
+static uint32_t double_hash(uint32_t uid, uint32_t probe_num)
{
- uint64_t num;
- struct osl_object obj1, obj2 = {.data = &num, .size = sizeof(num)};
+ return (uid * PRIME1 + ((uid * PRIME2) | 1) * probe_num)
+ % uid_hash_table_size;
+}
- /* update number of bytes */
- int ret = osl_get_object(id_table, row, IDT_BYTES, &obj1);
- if (ret < 0)
- return ret;
- num = *(uint64_t *)obj1.data + *add;
- ret = osl_update_object(id_table, row, IDT_BYTES, &obj2);
- if (ret < 0)
- return ret;
- /* increment number of files */
- ret = osl_get_object(id_table, row, IDT_FILES, &obj1);
- if (ret < 0)
- return ret;
- num = *(uint64_t *)obj1.data + 1;
- return osl_update_object(id_table, row, IDT_FILES, &obj2);
+#define FOR_EACH_USER(ui) for (ui = uid_hash_table; ui && ui < uid_hash_table \
+ + uid_hash_table_size; 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 *ui = uid_hash_table + double_hash(uid, p);
+
+ if (!ui->table) {
+ int ret;
+
+ if (!flags)
+ return -E_BAD_UID;
+ ui->uid = uid;
+ ret = open_user_table(ui, flags & CREATE_USER_TABLE);
+ if (ret < 0)
+ return ret;
+ if (ui_ptr)
+ *ui_ptr = ui;
+ return 1;
+ }
+ if (ui->uid != uid)
+ continue;
+ if (ui_ptr)
+ *ui_ptr = ui;
+ return 0;
+ }
+ 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 dir_num;
+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;
- struct osl_object obj;
+ uint64_t this_dir_num = num_dirs++;
- INFO_LOG("----------------- %s\n", 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))
struct stat s;
uint32_t uid;
uint64_t size;
- struct osl_row *id_row;
- struct osl_table *user_table;
+ struct user_info *ui;
if (!strcmp(entry->d_name, "."))
continue;
if (!strcmp(entry->d_name, ".."))
continue;
- if (lstat(entry->d_name, &s) == -1)
+ if (lstat(entry->d_name, &s) == -1) {
+ WARNING_LOG("lstat error for %s/%s\n", dirname,
+ entry->d_name);
continue;
+ }
m = s.st_mode;
if (!S_ISREG(m) && !S_ISDIR(m))
continue;
/* regular file */
size = s.st_size;
dir_size += size;
+ num_bytes += size;
dir_files++;
+ num_files++;
uid = s.st_uid;
- INFO_LOG("++++++++++++++++++++++++++ %s, uid: %u\n", entry->d_name, uid);
- obj.data = &uid;
- obj.size = sizeof(uid);
- ret = osl_get_row(id_table, IDT_UID, &obj, &id_row);
- if (ret < 0 && ret != -E_RB_KEY_NOT_FOUND)
- goto out;
- if (ret < 0) {
- ret = create_and_open_user_table(uid, &user_table);
- if (ret < 0)
- goto out;
- ret = insert_id_row(uid, user_table, &id_row);
- if (ret < 0)
- goto out;
- } else {
- ret = get_user_table(id_row, &user_table);
- if (ret < 0)
- goto out;
- }
- ret = add_id_bytes(id_row, &size);
+ ret = search_uid(uid, CREATE_USER_TABLE | OPEN_USER_TABLE, &ui);
if (ret < 0)
goto out;
- INFO_LOG("user_table: %p\n", user_table);
- ret = update_user_row(user_table, dir_num, &size);
- INFO_LOG("update_user ret: %d\n", ret);
+ ui->bytes += size;
+ ui->files++;
+ ret = update_user_row(ui->table, this_dir_num, &size);
if (ret < 0)
goto out;
}
- ret = add_directory(dirname, dir_num++, &dir_size, &dir_files);
+ ret = add_directory(dirname, this_dir_num, &dir_size, &dir_files);
out:
closedir(dir);
ret2 = para_fchdir(cwd_fd);
return 1;
}
-static int print_dirname_and_size(struct osl_row *row, void *data)
+enum global_stats_flags {
+ GSF_PRINT_DIRNAME = 1,
+ GSF_PRINT_BYTES = 2,
+ GSF_PRINT_FILES = 4,
+ GSF_COMPUTE_SUMMARY = 8,
+};
+
+struct global_stats_info {
+ uint32_t count;
+ enum global_stats_flags flags;
+};
+
+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_BYTES, &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;
}
-static int print_dirname_and_file_count(struct osl_row *row, void *data)
+static void print_id_stats(void)
+{
+ 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\t%llu\n", (unsigned)ui->uid,
+ (long long unsigned)ui->dirs,
+ (long long unsigned)ui->files,
+ (long long unsigned)ui->bytes);
+ }
+}
+
+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 user_stats_loop_function(struct osl_row *row, void *data)
{
- unsigned *count = data;
+ struct user_stats_info *usi = data;
+ struct osl_row *dir_row;
struct osl_object obj;
- char *name;
- int ret;
+ int ret, summary = usi->flags & GSF_COMPUTE_SUMMARY;
- if ((*count)++ > 100)
+ if (!usi->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 (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 int print_id_stats(struct osl_row *row, __a_unused void *data)
+static void print_user_stats(void)
{
- struct osl_object obj;
- uint32_t uid;
- uint64_t bytes, files;
- int ret = osl_get_object(id_table, row, IDT_UID, &obj);
+ struct user_info *ui;
+
+ FOR_EACH_USER(ui) {
+ struct user_stats_info usi = {
+ .count = 10,
+ .ui = ui
+ };
+ if (!ui->table)
+ continue;
+ 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);
+ }
+}
- if (ret < 0)
- return ret;
- uid = *(uint32_t *)obj.data;
- ret = osl_get_object(id_table, row, IDT_BYTES, &obj);
- if (ret < 0)
+static int print_statistics(void)
+{
+ int ret;
+ 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;
- bytes = *(uint64_t *)obj.data;
- ret = osl_get_object(id_table, row, IDT_FILES, &obj);
- if (ret < 0)
+ 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;
- files = *(uint64_t *)obj.data;
- printf("%u\t%llu\t%llu\n", (unsigned)uid, (long long unsigned)files,
- (long long unsigned)bytes);
+ 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();
return 1;
}
-struct id_dir_stat_info {
- unsigned count;
- struct osl_table *user_table;
-};
+static int write_uid_list(void)
+{
+ char *buf;
+ uint32_t count = 0;
+ struct user_info *ui;
+ size_t size = num_uids * sizeof(uint32_t);
+ int ret;
+
+ if (!num_uids)
+ return 0;
+ buf = para_malloc(size);
+ FOR_EACH_USER(ui) {
+ if (!ui->table)
+ continue;
+ write_u32(buf + count++ * sizeof(uint32_t), ui->uid);
+ }
+ ret = para_write_file(UID_LIST, buf, size);
+ free(buf);
+ return ret;
+}
-static int print_big_dir(struct osl_row *row, void *data)
+static int open_dir_table(void)
+{
+ return osl_open_table(&dir_table_desc, &dir_table);
+}
+
+static void close_dir_table(void)
{
- struct id_dir_stat_info *info = data;
- info->count++;
int ret;
- struct osl_row *dir_row;
- char *dirname;
- uint64_t bytes;
- struct osl_object obj;
- if (info->count > 10)
- return -E_LOOP_COMPLETE;
- ret = osl_get_object(info->user_table, row, UT_BYTES, &obj);
+ if (!dir_table)
+ return;
+ ret = osl_close_table(dir_table, OSL_MARK_CLEAN);
if (ret < 0)
- return ret;
- bytes = *(uint64_t *)obj.data;
- ret = osl_get_object(info->user_table, row, UT_DIR_NUM, &obj);
+ ERROR_LOG("failed to close dir table: %s\n", error_txt(-ret));
+ dir_table = NULL;
+}
+
+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)
- return ret;
- ret = osl_get_row(dir_table, DT_NUM, &obj, &dir_row);
+ 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()
+{
+ int ret = create_tables();
if (ret < 0)
return ret;
- ret = osl_get_object(dir_table, dir_row, DT_NAME, &obj);
+ ret = open_dir_table();
if (ret < 0)
return ret;
- dirname = obj.data;
- printf("%s: %llu\n", dirname, (long long unsigned)bytes);
- return 1;
+ ret = scan_dir(conf.base_dir_arg);
+ if (ret < 0)
+ goto out;
+ ret = write_uid_list();
+out:
+ close_all_tables();
+ return ret;
}
-static int print_id_dir_stats(struct osl_row *row, __a_unused void *data)
+static int read_uid_file(void)
{
- struct osl_object obj;
- uint32_t uid;
- int ret = osl_get_object(id_table, row, IDT_UID, &obj);
- struct id_dir_stat_info info = {.count = 0};
+ 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;
- uid = *(uint32_t *)obj.data;
-
- ret = osl_get_object(id_table, row, IDT_TABLE, &obj);
- if (ret < 0)
- return ret;
- info.user_table = *(struct osl_table **)obj.data;
-
- printf("************************* Big dirs owned by uid %u\n", (unsigned) uid);
- osl_rbtree_loop_reverse(info.user_table, IDT_BYTES, &info, print_big_dir);
- return 1;
+ 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 print_statistics(void)
+static int com_select(void)
{
- unsigned count = 0;
int ret;
- printf("************************* Biggest dirs\n");
- ret = osl_rbtree_loop_reverse(dir_table, DT_BYTES, &count, print_dirname_and_size);
- 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);
- if (ret < 0 && ret != -E_LOOP_COMPLETE)
+ ret = open_dir_table();
+ if (ret < 0)
return ret;
-
- printf("************************* dirs stats by owner\n");
- ret = osl_rbtree_loop(id_table, IDT_BYTES, NULL, print_id_stats);
+ ret = read_uid_file();
if (ret < 0)
return ret;
-
- return osl_rbtree_loop(id_table, IDT_BYTES, NULL, print_id_dir_stats);
+ print_statistics();
+ close_all_tables();
+ return 1;
}
-
int main(int argc, char **argv)
{
- int ret = create_tables();
- if (ret < 0)
- goto out;
- ret = osl_open_table(&dir_table_desc, &dir_table);
- if (ret < 0)
- goto out;
- ret = osl_open_table(&id_table_desc, &id_table);
- if (ret < 0)
- goto out;
+ int ret;
+ struct cmdline_parser_params params = {
+ .override = 0,
+ .initialize = 1,
+ .check_required = 0,
+ .check_ambiguity = 0,
+ .print_errors = 1
+ };
+
+ cmdline_parser_ext(argc, argv, &conf, ¶ms); /* aborts on errors */
ret = -E_SYNTAX;
- if (argc != 2)
- goto out;
- ret = scan_dir(argv[1]);
+ if (conf.select_given)
+ ret = com_select();
+ else
+ ret = com_create();
if (ret < 0)
goto out;
- print_statistics();
out:
if (ret < 0) {
ERROR_LOG("%s\n", error_txt(-ret));
}
return EXIT_SUCCESS;
}
-
projects / adu.git / blobdiff