#include "adu.h"
#include <dirent.h> /* readdir() */
+#include <pwd.h>
#include "gcc-compat.h"
+#include "cmdline.h"
#include "fd.h"
#include "string.h"
#include "error.h"
+#include "portable_io.h"
DEFINE_ERRLIST;
+int osl_errno;
+/** In case a signal is received, its number is stored here. */
+static int signum;
+/** Command line and config file options. */
+struct gengetopt_args_info conf;
-/** 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)))
+/** Global dir count. */
+uint64_t num_dirs = 0;
+/** Global files count. */
+uint64_t num_files = 0;
+/** Global bytes count. */
+uint64_t num_bytes = 0;
+/** The number of different uids found so far. */
+uint32_t num_uids = 0;
/**
- * The log function.
- *
- * \param ll Loglevel.
- * \param fml Usual format string.
+ * Contains info for each user that owns at least one regular file.
*
- * All XXX_LOG() macros use this function.
+ * Even users that are not taken into account because of the --uid
+ * option occupy a slot in this hash table. This allows to find out
+ * quicky whether a uid is admissible. And yes, this has to be fast.
*/
-__printf_2_3 void __log(int ll, const char* fmt,...)
-{
- va_list argp;
- FILE *outfd;
- struct tm *tm;
- time_t t1;
- char str[255] = "";
+struct user_info *uid_hash_table = NULL;
- if (ll < 4)
- return;
- outfd = stderr;
- time(&t1);
- tm = localtime(&t1);
- strftime(str, sizeof(str), "%b %d %H:%M:%S", tm);
- fprintf(outfd, "%s ", str);
- va_start(argp, fmt);
- vfprintf(outfd, fmt, argp);
- va_end(argp);
-}
+/**
+ * The table containing the directory names and statistics.
+ */
+struct osl_table *dir_table = NULL;
+
+/**
+ * The array of all uid ranges that were given at the command line.
+ */
+struct uid_range *admissible_uids;
+
+/** 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)))
/**
* Compare the size of two directories
}
/**
- * Compare two osl objects of string type.
- *
- * \param obj1 Pointer to the first object.
- * \param obj2 Pointer to the second object.
+ * Compare two osl objects pointing to unsigned integers of 64 bit size.
*
- * In any case, only \p MIN(obj1->size, obj2->size) characters of each string
- * are taken into account.
+ * \param obj1 Pointer to the first integer.
+ * \param obj2 Pointer to the second integer.
*
- * \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.
+ * \return The values required for an osl compare function.
*
- * \sa strcmp(3), strncmp(3), osl_compare_func.
+ * \sa osl_compare_func, osl_hash_compare().
*/
-int string_compare(const struct osl_object *obj1, const struct osl_object *obj2)
+static int uint64_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));
-}
+ uint64_t d1 = read_u64((const char *)obj1->data);
+ uint64_t d2 = read_u64((const char *)obj2->data);
-/** The columns of the directory table. */
-enum dir_table_columns {
- /** The name of the directory. */
- DT_NAME,
- /** The dir count number. */
- DT_NUM,
- /** The number of bytes of all regular files. */
- DT_BYTES,
- /** The number of all regular files. */
- DT_FILES,
- /** Number of columns in this table. */
- NUM_DT_COLUMNS
-};
+ if (d1 < d2)
+ return 1;
+ if (d1 > d2)
+ return -1;
+ return 0;
+}
static struct osl_column_description dir_table_cols[] = {
[DT_NAME] = {
.storage_type = OSL_MAPPED_STORAGE,
- .storage_flags = OSL_RBTREE | OSL_UNIQUE,
+ .storage_flags = 0,
.name = "dir",
- .compare_function = string_compare,
},
[DT_NUM] = {
.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_PARENT_NUM] = {
+ .storage_type = OSL_MAPPED_STORAGE,
+ .storage_flags = OSL_RBTREE | OSL_FIXED_SIZE | OSL_UNIQUE,
+ .name = "parent_num",
+ .compare_function = size_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"
-};
-
-/** The columns of the id table. */
-enum user_table_columns {
- /** The numer of the directory. */
- UT_DIR_NUM,
- /** The number of bytes of all regular files in this dir owned by this id. */
- UT_BYTES,
- /** The number of files in this dir owned by this id. */
- UT_FILES,
- /** Number of columns in this table. */
- NUM_UT_COLUMNS
};
static struct osl_column_description user_table_cols[] = {
.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)
+static int check_uid_arg(const char *arg, uint32_t *uid)
{
- int ret = osl_create_table(&dir_table_desc);
- if (ret < 0)
- return ret;
- ret = osl_create_table(&id_table_desc);
+ const uint32_t max = ~0U;
+ /*
+ * we need an 64-bit int for string -> uid conversion because strtoll()
+ * returns a signed value.
+ */
+ int64_t val;
+ int ret = atoi64(arg, &val);
+
if (ret < 0)
return ret;
+ if (val < 0 || val > max)
+ return -ERRNO_TO_ERROR(EINVAL);
+ *uid = val;
return 1;
}
-int add_directory(char *dirname, uint32_t dir_num, uint64_t *dir_size,
- uint64_t *dir_files)
+static int parse_uid_range(const char *orig_arg, struct uid_range *ur)
+{
+ int ret;
+ char *arg = adu_strdup(orig_arg), *p = strchr(arg, '-');
+
+ if (!p || p == arg) { /* -42 or 42 */
+ ret = check_uid_arg(p? p + 1 : arg, &ur->high);
+ if (ret < 0)
+ goto out;
+ ur->low = p? 0 : ur->high;
+ ret = 1;
+ goto out;
+ }
+ /* 42- or 42-4711 */
+ *p = '\0';
+ p++;
+ ret = check_uid_arg(arg, &ur->low);
+ if (ret < 0)
+ goto out;
+ ur->high = ~0U;
+ if (*p) { /* 42-4711 */
+ ret = check_uid_arg(p, &ur->high);
+ if (ret < 0)
+ goto out;
+ }
+ if (ur->low > ur->high)
+ ret = -ERRNO_TO_ERROR(EINVAL);
+out:
+ if (ret < 0)
+ ERROR_LOG("bad uid option: %s\n", orig_arg);
+ else
+ INFO_LOG("admissible uid range: %u - %u\n", ur->low,
+ ur->high);
+ free(arg);
+ return ret;
+}
+
+/**
+ * The log function.
+ *
+ * \param ll Loglevel.
+ * \param fml Usual format string.
+ *
+ * All XXX_LOG() macros use this function.
+ */
+__printf_2_3 void __log(int ll, const char* fmt,...)
+{
+ va_list argp;
+ FILE *outfd;
+ struct tm *tm;
+ time_t t1;
+ char str[255] = "";
+
+ if (ll < conf.loglevel_arg)
+ return;
+ outfd = stderr;
+ time(&t1);
+ tm = localtime(&t1);
+ strftime(str, sizeof(str), "%b %d %H:%M:%S", tm);
+ fprintf(outfd, "%s ", str);
+ va_start(argp, fmt);
+ vfprintf(outfd, fmt, argp);
+ va_end(argp);
+}
+
+static int add_directory(char *dirname, uint64_t *dir_num, uint64_t *parent_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;
- dir_objects[DT_NUM].size = sizeof(dir_num);
+ dir_objects[DT_NUM].data = dir_num;
+ dir_objects[DT_NUM].size = sizeof(*dir_num);
+ dir_objects[DT_PARENT_NUM].data = parent_dir_num;
+ dir_objects[DT_PARENT_NUM].size = sizeof(*parent_dir_num);
dir_objects[DT_BYTES].data = dir_size;
dir_objects[DT_BYTES].size = sizeof(*dir_size);
dir_objects[DT_FILES].data = dir_files;
dir_objects[DT_FILES].size = sizeof(*dir_files);
-
- return osl_add_row(dir_table, dir_objects);
+ return osl(osl_add_row(dir_table, dir_objects));
}
-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("/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);
+ struct passwd *pw;
+
+ ui->desc = adu_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 = adu_strdup(conf.database_dir_arg);
+ ui->desc->name = make_message("%u", (unsigned)ui->uid);
+ pw = getpwuid(ui->uid);
+ if (pw && pw->pw_name)
+ ui->pw_name = adu_strdup(pw->pw_name);
+
+ INFO_LOG(".............................uid #%u: %u\n",
+ (unsigned)num_uids, (unsigned)ui->uid);
+ if (create) {
+ ret = osl(osl_create_table(ui->desc));
+ if (ret < 0)
+ goto err;
+ num_uids++;
+ }
+ ret = osl(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->pw_name);
+ free(ui->desc);
+ ui->desc->name = NULL;
+ ui->desc->dir = NULL;
+ ui->desc = NULL;
+ ui->table = NULL;
+ ui->flags = 0;
+ return ret;
+}
+
+#define uid_hash_bits 8
+uint32_t uid_hash_table_size = 1 << uid_hash_bits;
+#define PRIME1 0x811c9dc5
+#define PRIME2 0x01000193
+
+void create_hash_table(void)
+{
+ uid_hash_table = adu_calloc(uid_hash_table_size
+ * sizeof(struct user_info));
}
-static int insert_id_row(uint32_t uid, struct osl_table *t, struct osl_row **row)
+static void free_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);
+ free(uid_hash_table);
+ uid_hash_table = NULL;
}
-static int get_user_table(struct osl_row *row, struct osl_table **t)
+static int create_tables(void)
{
- struct osl_object obj;
+ int ret;
- int ret = osl_get_object(id_table, row, IDT_TABLE, &obj);
+ dir_table_desc.dir = adu_strdup(conf.database_dir_arg);
+ ret = osl(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)
+static void close_dir_table(void)
{
- uint64_t num;
- struct osl_object obj1, obj2 = {.data = &num, .size = sizeof(num)};
+ int ret;
- /* 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 (!dir_table)
+ return;
+ ret = osl(osl_close_table(dir_table, OSL_MARK_CLEAN));
if (ret < 0)
- return ret;
- /* increment number of files */
- ret = osl_get_object(id_table, row, IDT_FILES, &obj1);
+ ERROR_LOG("failed to close dir table: %s\n", adu_strerror(-ret));
+ free((char *)dir_table_desc.dir);
+ dir_table = NULL;
+}
+
+static void close_user_table(struct user_info *ui)
+{
+ int ret;
+
+ if (!ui || !ui_used(ui) || !ui_admissible(ui))
+ return;
+ ret = osl(osl_close_table(ui->table, OSL_MARK_CLEAN));
if (ret < 0)
- return ret;
- num = *(uint64_t *)obj1.data + 1;
- return osl_update_object(id_table, row, IDT_FILES, &obj2);
+ ERROR_LOG("failed to close user table %u: %s\n",
+ (unsigned) ui->uid, adu_strerror(-ret));
+ free((char *)ui->desc->name);
+ ui->desc->name = NULL;
+ free((char *)ui->desc->dir);
+ ui->desc->dir = NULL;
+ free(ui->pw_name);
+ ui->pw_name = NULL;
+ free(ui->desc);
+ ui->desc = NULL;
+ ui->table = NULL;
+ ui->flags = 0;
+}
+
+static void close_user_tables(void)
+{
+ struct user_info *ui;
+
+ FOR_EACH_USER(ui)
+ close_user_table(ui);
}
-static int update_user_row(struct osl_table *t, uint32_t dir_num,
+void close_all_tables(void)
+{
+ close_dir_table();
+ close_user_tables();
+ free_hash_table();
+}
+
+static void signal_handler(int s)
+{
+ signum = s;
+}
+
+void check_signals(void)
+{
+ if (likely(!signum))
+ return;
+ EMERG_LOG("caught signal %d\n", signum);
+ close_all_tables();
+ exit(EXIT_FAILURE);
+}
+
+static int init_signals(void)
+{
+ if (signal(SIGINT, &signal_handler) == SIG_ERR)
+ return -E_SIGNAL_SIG_ERR;
+ if (signal(SIGTERM, &signal_handler) == SIG_ERR)
+ return -E_SIGNAL_SIG_ERR;
+ return 1;
+}
+
+/*
+ * 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 has never 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)
+{
+ return (uid * PRIME1 + ((uid * PRIME2) | 1) * probe_num)
+ % uid_hash_table_size;
+}
+
+static int uid_is_admissible(uint32_t uid)
+{
+ int i;
+
+ for (i = 0; i < conf.uid_given; i++) {
+ struct uid_range *ur = admissible_uids + i;
+
+ if (ur->low <= uid && ur->high >= uid)
+ break;
+ }
+ i = !conf.uid_given || i < conf.uid_given;
+ DEBUG_LOG("uid %u is %sadmissible\n", (unsigned)uid,
+ i? "" : "not ");
+ return i;
+}
+
+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_used(ui)) {
+ int ret;
+ if (!flags)
+ return -E_BAD_UID;
+ ui->uid = uid;
+ ui->flags |= UI_FL_SLOT_USED;
+ if (!uid_is_admissible(uid))
+ return 0;
+ ui->flags |= UI_FL_ADMISSIBLE;
+ 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, uint64_t dir_num,
uint64_t *add)
{
struct osl_row *row;
struct osl_object obj = {.data = &dir_num, .size = sizeof(dir_num)};
- int ret = osl_get_row(t, UT_DIR_NUM, &obj, &row);
+ int ret = osl(osl_get_row(t, UT_DIR_NUM, &obj, &row));
- if (ret < 0 && ret != -E_RB_KEY_NOT_FOUND)
+ if (ret == -E_OSL && osl_errno != E_OSL_RB_KEY_NOT_FOUND)
return ret;
if (ret < 0) { /* this is the first file we add */
struct osl_object objects[NUM_UT_COLUMNS];
objects[UT_FILES].data = &num_files;
objects[UT_FILES].size = sizeof(num_files);
INFO_LOG("######################### ret: %d\n", ret);
- ret = osl_add_row(t, objects);
+ ret = osl(osl_add_row(t, objects));
INFO_LOG("######################### ret: %d\n", ret);
return ret;
} else { /* add size and increment file count */
uint64_t num;
struct osl_object obj1, obj2 = {.data = &num, .size = sizeof(num)};
- ret = osl_get_object(t, row, UT_BYTES, &obj1);
+ ret = osl(osl_get_object(t, row, UT_BYTES, &obj1));
if (ret < 0)
return ret;
num = *(uint64_t *)obj1.data + *add;
- ret = osl_update_object(t, row, UT_BYTES, &obj2);
+ ret = osl(osl_update_object(t, row, UT_BYTES, &obj2));
if (ret < 0)
return ret;
- ret = osl_get_object(t, row, UT_FILES, &obj1);
+ ret = osl(osl_get_object(t, row, UT_FILES, &obj1));
if (ret < 0)
return ret;
num = *(uint64_t *)obj1.data + 1;
- return osl_update_object(t, row, UT_FILES, &obj2);
+ return osl(osl_update_object(t, row, UT_FILES, &obj2));
}
}
-static uint32_t dir_num;
+/* id of the device containing the base dir. */
+static dev_t device_id;
-int scan_dir(char *dirname)
+static int scan_dir(char *dirname, uint64_t *parent_dir_num)
{
DIR *dir;
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);
- ret = para_opendir(dirname, &dir, &cwd_fd);
+ check_signals();
+ DEBUG_LOG("----------------- %llu: %s\n", (long long unsigned)num_dirs, dirname);
+ ret = adu_opendir(dirname, &dir, &cwd_fd);
if (ret < 0) {
if (ret != -ERRNO_TO_ERROR(EACCES))
return ret;
}
while ((entry = readdir(dir))) {
mode_t m;
- char *tmp;
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;
if (S_ISDIR(m)) {
- tmp = make_message("%s/%s", dirname, entry->d_name);
- ret = scan_dir(tmp);
- free(tmp);
+ if (conf.one_file_system_given && s.st_dev != device_id)
+ continue;
+ ret = scan_dir(entry->d_name, &this_dir_num);
if (ret < 0)
goto out;
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, parent_dir_num,
+ &dir_size, &dir_files);
out:
closedir(dir);
- ret2 = para_fchdir(cwd_fd);
+ ret2 = adu_fchdir(cwd_fd);
if (ret2 < 0 && ret >= 0)
ret = ret2;
close(cwd_fd);
return ret;
}
-static int get_dir_name(struct osl_row *row, char **name)
-{
- struct osl_object obj;
- int ret = osl_get_object(dir_table, row, DT_NAME, &obj);
-
- if (ret < 0)
- return ret;
- *name = obj.data;
- return 1;
-}
-
-static int print_dirname_and_size(struct osl_row *row, void *data)
+char *get_uid_list_name(void)
{
- unsigned *count = data;
- struct osl_object obj;
- char *name;
- int ret;
-
- 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;
+ return make_message("%s/uid_list", conf.database_dir_arg);
}
-static int print_dirname_and_file_count(struct osl_row *row, void *data)
+static int write_uid_list(void)
{
- unsigned *count = data;
- struct osl_object obj;
- char *name;
+ char *buf, *filename;
+ uint32_t count = 0;
+ struct user_info *ui;
+ size_t size = num_uids * sizeof(uint32_t);
int ret;
- 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_FILES, &obj);
- if (ret < 0)
- return ret;
- printf("%s\t%llu\n", name, *(long long unsigned *)obj.data);
- return 1;
+ if (!num_uids)
+ return 0;
+ buf = adu_malloc(size);
+ FOR_EACH_USER(ui) {
+ if (!ui_used(ui) || !ui_admissible(ui))
+ continue;
+ DEBUG_LOG("saving uid %u\n", (unsigned) ui->uid);
+ write_u32(buf + count++ * sizeof(uint32_t), ui->uid);
+ }
+ filename = get_uid_list_name();
+ ret = adu_write_file(filename, buf, size);
+ free(filename);
+ free(buf);
+ return ret;
}
-static int print_id_stats(struct osl_row *row, __a_unused void *data)
+int open_dir_table(void)
{
- struct osl_object obj;
- uint32_t uid;
- uint64_t bytes, files;
- int ret = osl_get_object(id_table, row, IDT_UID, &obj);
-
- if (ret < 0)
- return ret;
- uid = *(uint32_t *)obj.data;
- ret = osl_get_object(id_table, row, IDT_BYTES, &obj);
- if (ret < 0)
- return ret;
- bytes = *(uint64_t *)obj.data;
- ret = osl_get_object(id_table, row, IDT_FILES, &obj);
- if (ret < 0)
- return ret;
- files = *(uint64_t *)obj.data;
-
- printf("%u\t%llu\t%llu\n", (unsigned)uid, (long long unsigned)files,
- (long long unsigned)bytes);
- return 1;
+ if (!dir_table_desc.dir) /* we did not create the table */
+ dir_table_desc.dir = adu_strdup(conf.database_dir_arg);
+ return osl(osl_open_table(&dir_table_desc, &dir_table));
}
-
-struct id_dir_stat_info {
- unsigned count;
- struct osl_table *user_table;
-};
-
-static int print_big_dir(struct osl_row *row, void *data)
+static int com_create()
{
- struct id_dir_stat_info *info = data;
- info->count++;
+ uint64_t zero = 0ULL;
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);
+ struct stat statbuf;
+
+ if (lstat(conf.base_dir_arg, &statbuf) == -1)
+ return -ERRNO_TO_ERROR(errno);
+ if (!S_ISDIR(statbuf.st_mode))
+ return -ERRNO_TO_ERROR(ENOTDIR);
+ device_id = statbuf.st_dev;
+ ret = create_tables();
if (ret < 0)
return ret;
- bytes = *(uint64_t *)obj.data;
- ret = osl_get_object(info->user_table, row, UT_DIR_NUM, &obj);
+ check_signals();
+ ret = open_dir_table();
if (ret < 0)
return ret;
- ret = osl_get_row(dir_table, DT_NUM, &obj, &dir_row);
+ check_signals();
+ ret = scan_dir(conf.base_dir_arg, &zero);
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);
- return 1;
+ 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 check_args(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};
-
- 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);
+ int i, ret;
+
+ /* remove trailing slashes from base-dir arg */
+ if (conf.base_dir_given) {
+ size_t len = strlen(conf.base_dir_arg);
+ for (;;) {
+ if (!len) /* empty string */
+ return -ERRNO_TO_ERROR(EINVAL);
+ if (!--len) /* length 1 is always OK */
+ break;
+ if (conf.base_dir_arg[len] != '/')
+ break; /* no trailing slash, also OK */
+ conf.base_dir_arg[len] = '\0';
+ }
+ }
+ if (!conf.uid_given)
+ return 0;
+ admissible_uids = adu_malloc(conf.uid_given * sizeof(*admissible_uids));
+ for (i = 0; i < conf.uid_given; i++) {
+ ret = parse_uid_range(conf.uid_arg[i], admissible_uids + i);
+ if (ret < 0)
+ goto err;
+ }
return 1;
+err:
+ free(admissible_uids);
+ admissible_uids = NULL;
+ return ret;
}
-static int print_statistics(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)
- return ret;
-
- printf("************************* dirs stats by owner\n");
- ret = osl_rbtree_loop(id_table, IDT_BYTES, NULL, print_id_stats);
- if (ret < 0)
- return ret;
-
- return osl_rbtree_loop(id_table, IDT_BYTES, NULL, print_id_dir_stats);
-}
-
-
int main(int argc, char **argv)
{
- int ret = create_tables();
- if (ret < 0)
- goto out;
- ret = osl_open_table(&dir_table_desc, &dir_table);
+ 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 = init_signals();
if (ret < 0)
goto out;
- ret = osl_open_table(&id_table_desc, &id_table);
+ ret = check_args();
if (ret < 0)
goto out;
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:
+ free(admissible_uids);
if (ret < 0) {
- ERROR_LOG("%s\n", error_txt(-ret));
+ ERROR_LOG("%s\n", adu_strerror(-ret));
return -EXIT_FAILURE;
}
return EXIT_SUCCESS;
}
-
projects / adu.git / blobdiff