+/** \file adu.c The main functions used by all modes of operation. */
#include "adu.h"
#include <dirent.h> /* readdir() */
+#include <pwd.h>
+#include "format.h"
+#include "select.h"
#include "gcc-compat.h"
#include "cmdline.h"
DEFINE_ERRLIST;
int osl_errno;
-/** Command line and config file options. */
-static struct gengetopt_args_info conf;
-
-enum uid_info_flags {
- /** whether this slot of the hash table is used. */
- UI_FL_SLOT_USED = 1,
- /** whether this uid should be taken into account. */
- UI_FL_ADMISSIBLE = 2,
-};
+/** In case a signal is received, its number is stored here. */
+static int signum;
-struct user_info {
- uint32_t uid;
- uint32_t flags;
- struct osl_table *table;
- uint64_t files;
- uint64_t bytes;
- uint64_t dirs;
- struct osl_table_description *desc;
-};
+/** Command line and config file options. */
+struct gengetopt_args_info conf;
-/** The decimal representation of an uint64_t never exceeds that size. */
-#define FORMATED_VALUE_SIZE 25
+/** Options passed to --select-options. */
+struct select_args_info select_conf;
-#define FOR_EACH_USER(ui) for (ui = uid_hash_table; ui && ui < uid_hash_table \
- + uid_hash_table_size; ui++)
+/** The number of different uids found so far. */
+uint32_t num_uids = 0;
+/** This is always a power of two. It is set in create_hash_table(). */
+static uint32_t uid_hash_table_size;
/**
* Contains info for each user that owns at least one regular file.
*/
static struct user_info *uid_hash_table;
-/* these get filled in by the select command. */
-static char count_unit_buf[4] = "( )", size_unit_buf[4] = "( )";
-
static inline int ui_used(struct user_info *ui)
{
return ui->flags & UI_FL_SLOT_USED;
return ui->flags & UI_FL_ADMISSIBLE;
}
-struct uid_range {
- uint32_t low;
- uint32_t high;
-};
-
-static struct uid_range *admissible_uids;
-
-static inline int check_uid_arg(const char *arg, uint32_t *uid)
-{
- 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 = para_atoi64(arg, &val);
-
- if (ret < 0)
- return ret;
- if (val < 0 || val > max)
- return -ERRNO_TO_ERROR(EINVAL);
- *uid = val;
- return 1;
-}
-
-static int parse_uid_range(const char *orig_arg, struct uid_range *ur)
-{
- int ret;
- char *arg = para_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;
-}
-
-/** 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)))
-
/**
- * The log function.
- *
- * \param ll Loglevel.
- * \param fml Usual format string.
- *
- * All XXX_LOG() macros use this function.
+ * The table containing the directory names and statistics.
*/
-__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);
-}
+struct osl_table *dir_table = NULL;
/**
* Compare the size of two directories
return 0;
}
-/** 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 the parent directory. */
- DT_PARENT_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
-};
-
static struct osl_column_description dir_table_cols[] = {
[DT_NAME] = {
.storage_type = OSL_MAPPED_STORAGE,
.column_descriptions = dir_table_cols,
};
-/** 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
-};
-
+/*
+ * The columns of the per-user tables.
+ *
+ * Adu tracks disk usage on a per-user basis. For each user, a user table is
+ * being created. The rows of the user table have three columns: The directory
+ * number that may be resolved to the path using the directory table, the
+ * number of bytes and the number of files in that directory owned by the given
+ * user.
+ */
static struct osl_column_description user_table_cols[] = {
[UT_DIR_NUM] = {
.storage_type = OSL_MAPPED_STORAGE,
},
};
-static struct osl_table *dir_table;
-
-static int add_directory(char *dirname, uint64_t *dir_num, uint64_t *parent_dir_num,
- uint64_t *dir_size, uint64_t *dir_files)
+/**
+ * The log function.
+ *
+ * \param ll Loglevel.
+ * \param fmt Usual format string.
+ *
+ * All XXX_LOG() macros use this function.
+ */
+__printf_2_3 void __log(int ll, const char* fmt,...)
{
- struct osl_object dir_objects[NUM_DT_COLUMNS];
+ va_list argp;
+ FILE *outfd;
+ struct tm *tm;
+ time_t t1;
+ char str[255] = "";
- 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_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(osl_add_row(dir_table, dir_objects));
+ 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 uint32_t num_uids;
-
static int open_user_table(struct user_info *ui, int create)
{
int ret;
+ struct passwd *pw;
- ui->desc = para_malloc(sizeof(*ui->desc));
+ 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 = para_strdup(conf.database_dir_arg);
+ 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) {
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;
return ret;
}
-#define uid_hash_bits 8
-static uint32_t uid_hash_table_size = 1 << uid_hash_bits;
-#define PRIME1 0x811c9dc5
+int for_each_admissible_user(int (*func)(struct user_info *, void *),
+ void *data)
+{
+ struct user_info *ui = uid_hash_table;
+
+ if (!ui)
+ return -ERRNO_TO_ERROR(EFAULT);
+
+ for (; ui < uid_hash_table + uid_hash_table_size; ui++) {
+ int ret;
+
+ if (!ui_used(ui) || !ui_admissible(ui))
+ continue;
+ ret = func(ui, data);
+ if (ret < 0)
+ return ret;
+ }
+ return 1;
+}
+
+#define PRIME1 0xb11924e1
#define PRIME2 0x01000193
-static void create_hash_table(void)
+void create_hash_table(unsigned bits)
{
- uid_hash_table = para_calloc(uid_hash_table_size
- * sizeof(struct user_info));
+ uid_hash_table_size = 1 << bits;
+ uid_hash_table = adu_calloc(uid_hash_table_size *
+ sizeof(struct user_info));
}
static void free_hash_table(void)
uid_hash_table = NULL;
}
-static int create_tables(void)
-{
- int ret;
-
- dir_table_desc.dir = para_strdup(conf.database_dir_arg);
- ret = osl(osl_create_table(&dir_table_desc));
- if (ret < 0)
- return ret;
- create_hash_table();
- return 1;
-}
-
static void close_dir_table(void)
{
int ret;
dir_table = NULL;
}
-static void close_user_table(struct user_info *ui)
+static int close_user_table(struct user_info *ui, __a_unused void *data)
{
int ret;
- if (!ui || !ui_used(ui) || !ui_admissible(ui))
- return;
ret = osl(osl_close_table(ui->table, OSL_MARK_CLEAN));
if (ret < 0)
ERROR_LOG("failed to close user table %u: %s\n",
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;
+ return 1;
}
static void close_user_tables(void)
{
- struct user_info *ui;
-
- FOR_EACH_USER(ui)
- close_user_table(ui);
+ for_each_admissible_user(close_user_table, NULL);
}
-static void close_all_tables(void)
+void close_all_tables(void)
{
close_dir_table();
close_user_tables();
free_hash_table();
}
-static int signum;
-
static void signal_handler(int s)
{
signum = s;
}
-static void check_signals(void)
+void check_signals(void)
{
if (likely(!signum))
return;
return -E_SIGNAL_SIG_ERR;
if (signal(SIGTERM, &signal_handler) == SIG_ERR)
return -E_SIGNAL_SIG_ERR;
+ if (signal(SIGPIPE, &signal_handler) == SIG_ERR)
+ return -E_SIGNAL_SIG_ERR;
return 1;
}
% uid_hash_table_size;
}
-enum search_uid_flags {
- OPEN_USER_TABLE = 1,
- CREATE_USER_TABLE = 2,
-};
-
-static int uid_is_admissible(uint32_t uid)
+static int uid_is_admissible(uint32_t uid, struct uid_range *urs)
{
- int i;
-
- for (i = 0; i < conf.uid_given; i++) {
- struct uid_range *ur = admissible_uids + i;
+ struct uid_range *ur;
+ int ret = 1;
+ if (!urs) /* empty array means all uids are allowed */
+ return 1;
+ FOR_EACH_UID_RANGE(ur, urs)
if (ur->low <= uid && ur->high >= uid)
- break;
- }
- i = !conf.uid_given || i < conf.uid_given;
+ goto out;
+ ret = 0;
+out:
DEBUG_LOG("uid %u is %sadmissible\n", (unsigned)uid,
- i? "" : "not ");
- return i;
+ ret? "" : "not ");
+ return ret;
}
-static int search_uid(uint32_t uid, enum search_uid_flags flags,
- struct user_info **ui_ptr)
+int search_uid(uint32_t uid, struct uid_range *urs,
+ enum search_uid_flags flags, struct user_info **ui_ptr)
{
uint32_t p;
return -E_BAD_UID;
ui->uid = uid;
ui->flags |= UI_FL_SLOT_USED;
- if (!uid_is_admissible(uid))
+ if (!uid_is_admissible(uid, urs))
return 0;
ui->flags |= UI_FL_ADMISSIBLE;
ret = open_user_table(ui, flags & CREATE_USER_TABLE);
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(osl_get_row(t, UT_DIR_NUM, &obj, &row));
-
- 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];
- uint64_t num_files = 1;
-
- objects[UT_DIR_NUM].data = &dir_num;
- objects[UT_DIR_NUM].size = sizeof(dir_num);
- objects[UT_BYTES].data = add;
- objects[UT_BYTES].size = sizeof(*add);
- objects[UT_FILES].data = &num_files;
- objects[UT_FILES].size = sizeof(num_files);
- INFO_LOG("######################### ret: %d\n", ret);
- 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(osl_get_object(t, row, UT_BYTES, &obj1));
- if (ret < 0)
- return ret;
- num = *(uint64_t *)obj1.data + *add;
- ret = osl(osl_update_object(t, row, UT_BYTES, &obj2));
- if (ret < 0)
- return ret;
- ret = osl(osl_get_object(t, row, UT_FILES, &obj1));
- if (ret < 0)
- return ret;
- num = *(uint64_t *)obj1.data + 1;
- return osl(osl_update_object(t, row, UT_FILES, &obj2));
- }
-}
-
-static uint64_t num_dirs;
-static uint64_t num_files;
-static uint64_t num_bytes;
-
-int scan_dir(char *dirname, uint64_t *parent_dir_num)
+char *get_uid_list_name(void)
{
- DIR *dir;
- struct dirent *entry;
- int ret, cwd_fd, ret2;
- uint64_t dir_size = 0, dir_files = 0;
- uint64_t this_dir_num = ++num_dirs;
-
- check_signals();
- 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))
- return ret;
- WARNING_LOG("permission denied for %s\n", dirname);
- return 1;
- }
- while ((entry = readdir(dir))) {
- mode_t m;
- struct stat s;
- uint32_t uid;
- uint64_t size;
- struct user_info *ui;
-
- if (!strcmp(entry->d_name, "."))
- continue;
- if (!strcmp(entry->d_name, ".."))
- continue;
- 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)) {
- 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;
- ret = search_uid(uid, CREATE_USER_TABLE | OPEN_USER_TABLE, &ui);
- if (ret < 0)
- goto out;
- ui->bytes += size;
- ui->files++;
- ret = update_user_row(ui->table, this_dir_num, &size);
- if (ret < 0)
- goto out;
- }
- ret = add_directory(dirname, &this_dir_num, parent_dir_num,
- &dir_size, &dir_files);
-out:
- closedir(dir);
- ret2 = para_fchdir(cwd_fd);
- if (ret2 < 0 && ret >= 0)
- ret = ret2;
- close(cwd_fd);
- return ret;
-}
-
-static int get_dir_name_by_number(uint64_t *dirnum, char **name)
-{
- char *result = NULL, *tmp;
- struct osl_row *row;
- uint64_t val = *dirnum;
- struct osl_object obj = {.data = &val, .size = sizeof(val)};
- int ret;
-
-again:
- ret = osl(osl_get_row(dir_table, DT_NUM, &obj, &row));
- if (ret < 0)
- goto out;
- ret = osl(osl_get_object(dir_table, row, DT_NAME, &obj));
- if (ret < 0)
- goto out;
- if (result) {
- tmp = make_message("%s/%s", (char *)obj.data, result);
- free(result);
- result = tmp;
- } else
- result = para_strdup((char *)obj.data);
- ret = osl(osl_get_object(dir_table, row, DT_PARENT_NUM, &obj));
- if (ret < 0)
- goto out;
- val = *(uint64_t *)obj.data;
- if (val)
- goto again;
-out:
- if (ret < 0) {
- free(result);
- *name = NULL;
- } else
- *name = result;
- return ret;
-}
-
-static int get_dir_name_of_row(struct osl_row *dir_table_row, char **name)
-{
- struct osl_object obj;
- int ret;
- char *this_dir, *prefix = NULL;
-
- *name = NULL;
- ret = osl(osl_get_object(dir_table, dir_table_row, DT_NAME, &obj));
- if (ret < 0)
- return ret;
- this_dir = para_strdup((char *)obj.data);
- ret = osl(osl_get_object(dir_table, dir_table_row, DT_PARENT_NUM, &obj));
- if (ret < 0)
- goto out;
- if (!*(uint64_t *)obj.data) {
- *name = this_dir;
- return 1;
- }
- ret = get_dir_name_by_number((uint64_t *)obj.data, &prefix);
- if (ret < 0)
- goto out;
- *name = make_message("%s/%s", prefix, this_dir);
- free(prefix);
- ret = 1;
-out:
- free(this_dir);
- return ret;
-}
-
-const uint64_t size_unit_divisors[] = {
- [size_unit_arg_b] = 1ULL,
- [size_unit_arg_k] = 1024ULL,
- [size_unit_arg_m] = 1024ULL * 1024ULL,
- [size_unit_arg_g] = 1024ULL * 1024ULL * 1024ULL,
- [size_unit_arg_t] = 1024ULL * 1024ULL * 1024ULL * 1024ULL,
-};
-
-const uint64_t count_unit_divisors[] = {
-
- [count_unit_arg_n] = 1ULL,
- [count_unit_arg_k] = 1000ULL,
- [count_unit_arg_m] = 1000ULL * 1000ULL,
- [count_unit_arg_g] = 1000ULL * 1000ULL * 1000ULL,
- [count_unit_arg_t] = 1000ULL * 1000ULL * 1000ULL * 1000ULL,
-};
-
-const char size_unit_abbrevs[] = " BKMGT";
-const char count_unit_abbrevs[] = " kmgt";
-
-static enum enum_size_unit format_size_value(enum enum_size_unit unit,
- uint64_t value, int print_unit, char *result)
-{
- enum enum_size_unit u = unit;
- char unit_buf[2] = "\0\0";
-
- if (unit == size_unit_arg_h) /* human readable */
- for (u = size_unit_arg_b; u < size_unit_arg_t &&
- value > size_unit_divisors[u + 1]; u++)
- ; /* nothing */
- if (print_unit)
- unit_buf[0] = size_unit_abbrevs[u];
- sprintf(result, "%llu%s",
- (long long unsigned)value / size_unit_divisors[u], unit_buf);
- return u;
-}
-
-static enum enum_count_unit format_count_value(enum enum_count_unit unit,
- uint64_t value, int print_unit, char *result)
-{
- enum enum_count_unit u = unit;
- char unit_buf[2] = "\0\0";
-
- if (unit == count_unit_arg_h) /* human readable */
- for (u = count_unit_arg_n; u < count_unit_arg_t &&
- value > count_unit_divisors[u + 1]; u++)
- ; /* nothing */
- if (print_unit)
- unit_buf[0] = count_unit_abbrevs[u];
- sprintf(result, "%llu%s",
- (long long unsigned)value / count_unit_divisors[u], unit_buf);
- return u;
-}
-
-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;
- int ret;
- int osl_errno;
- enum global_stats_flags flags;
-};
-
-static int global_stats_loop_function(struct osl_row *row, void *data)
-{
- struct global_stats_info *gsi = data;
- struct osl_object obj;
- char *dirname, formated_value[FORMATED_VALUE_SIZE];
- int ret, summary = gsi->flags & GSF_COMPUTE_SUMMARY;
-
- check_signals();
- if (!gsi->count && !summary) {
- ret = -E_LOOP_COMPLETE;
- goto err;
- }
- if (summary || (gsi->count && (gsi->flags & GSF_PRINT_FILES))) {
- uint64_t files;
- ret = osl(osl_get_object(dir_table, row, DT_FILES, &obj));
- if (ret < 0)
- goto err;
- files = *(uint64_t *)obj.data;
- if (gsi->count && (gsi->flags & GSF_PRINT_FILES)) {
- format_count_value(conf.count_unit_arg, files,
- conf.count_unit_arg == count_unit_arg_h,
- formated_value);
- printf("\t%s%s", formated_value,
- (gsi->flags & (GSF_PRINT_BYTES | GSF_PRINT_DIRNAME))?
- "\t" : "\n");
- }
- if (summary)
- num_files += files;
- }
- if (summary || (gsi->count && (gsi->flags & GSF_PRINT_BYTES))) {
- uint64_t bytes;
- ret = osl(osl_get_object(dir_table, row, DT_BYTES, &obj));
- if (ret < 0)
- goto err;
- bytes = *(uint64_t *)obj.data;
- if (gsi->count && (gsi->flags & GSF_PRINT_BYTES)) {
- format_size_value(conf.size_unit_arg, bytes,
- conf.size_unit_arg == size_unit_arg_h,
- formated_value);
- printf("%s%s%s",
- (gsi->flags & GSF_PRINT_FILES)? "" : "\t",
- formated_value,
- (gsi->flags & GSF_PRINT_DIRNAME)? "\t" : "\n"
- );
- }
- if (summary) {
- num_bytes += bytes;
- num_dirs++;
- }
- }
- if (gsi->count && (gsi->flags & GSF_PRINT_DIRNAME)) {
- ret = get_dir_name_of_row(row, &dirname);
- if (ret < 0)
- goto err;
- printf("%s%s\n",
- (gsi->flags & (GSF_PRINT_BYTES | GSF_PRINT_FILES))? "" : "\t",
- dirname);
- free(dirname);
- }
- if (gsi->count > 0)
- gsi->count--;
- return 1;
-err:
- gsi->ret = ret;
- gsi->osl_errno = (ret == -E_OSL)? osl_errno : 0;
- return -1;
-}
-
-static void print_id_stats(void)
-{
- struct user_info *ui;
-
- printf("User summary "
- "(uid/dirs%s/files%s/size%s):\n",
- count_unit_buf, count_unit_buf, size_unit_buf);
- FOR_EACH_USER(ui) {
- char formated_dir_count[FORMATED_VALUE_SIZE],
- formated_file_count[FORMATED_VALUE_SIZE],
- formated_bytes[FORMATED_VALUE_SIZE ];
- if (!ui_used(ui) || !ui_admissible(ui))
- continue;
- format_count_value(conf.count_unit_arg, ui->dirs,
- conf.count_unit_arg == count_unit_arg_h,
- formated_dir_count);
- format_count_value(conf.count_unit_arg, ui->files,
- conf.count_unit_arg == count_unit_arg_h,
- formated_file_count);
- format_size_value(conf.size_unit_arg, ui->bytes,
- conf.size_unit_arg == size_unit_arg_h,
- formated_bytes);
- printf("\t%u\t%s\t%s\t%s\n", (unsigned)ui->uid,
- formated_dir_count,
- formated_file_count,
- formated_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;
- int ret;
- int osl_errno;
- struct user_info *ui;
-};
-
-static int user_stats_loop_function(struct osl_row *row, void *data)
-{
- struct user_stats_info *usi = data;
- struct osl_object obj;
- int ret, summary = usi->flags & GSF_COMPUTE_SUMMARY;
- char formated_value[FORMATED_VALUE_SIZE];
-
- check_signals();
- if (!usi->count && !summary) {
- ret = -E_LOOP_COMPLETE;
- goto err;
- }
- if (summary || (usi->count && (usi->flags & USF_PRINT_FILES))) {
- uint64_t files;
- ret = osl(osl_get_object(usi->ui->table, row, UT_FILES, &obj));
- if (ret < 0)
- goto err;
- files = *(uint64_t *)obj.data;
- if (usi->count && (usi->flags & USF_PRINT_FILES)) {
- format_count_value(conf.count_unit_arg, files,
- conf.count_unit_arg == count_unit_arg_h,
- formated_value);
- printf("\t%s%s", formated_value,
- (usi->flags & (USF_PRINT_BYTES | USF_PRINT_DIRNAME))?
- "\t" : "\n"
- );
- }
- if (summary)
- usi->ui->files += files;
- }
- if (summary || (usi->count && (usi->flags & USF_PRINT_BYTES))) {
- uint64_t bytes;
- ret = osl(osl_get_object(usi->ui->table, row, UT_BYTES, &obj));
- if (ret < 0)
- goto err;
- bytes = *(uint64_t *)obj.data;
- if (usi->count && (usi->flags & USF_PRINT_BYTES)) {
- format_size_value(conf.size_unit_arg, bytes,
- conf.size_unit_arg == size_unit_arg_h,
- formated_value);
- printf("%s%s%s",
- (usi->flags & USF_PRINT_FILES)? "" : "\t",
- formated_value,
- usi->flags & USF_PRINT_DIRNAME? "\t" : "\n"
- );
- }
- if (summary) {
- usi->ui->bytes += bytes;
- usi->ui->dirs++;
- }
-
- }
- if (usi->count && (usi->flags & USF_PRINT_DIRNAME)) {
- char *dirname;
- ret = osl(osl_get_object(usi->ui->table, row, UT_DIR_NUM, &obj));
- if (ret < 0)
- goto err;
- ret = get_dir_name_by_number((uint64_t *)obj.data, &dirname);
- if (ret < 0)
- goto err;
- printf("%s%s\n",
- (usi->flags & (USF_PRINT_BYTES | USF_PRINT_FILES))? "" : "\t",
- dirname);
- free(dirname);
- }
- if (usi->count > 0)
- usi->count--;
- return 1;
-err:
- usi->ret = ret;
- usi->osl_errno = (ret == -E_OSL)? osl_errno : 0;
- return -1;
-}
-
-static int check_loop_return(int ret, int loop_ret, int loop_osl_errno)
-{
- if (ret >= 0)
- return ret;
- assert(ret == -E_OSL);
- if (osl_errno != E_OSL_LOOP)
- /* error not caused by loop function returning negative. */
- return ret;
- assert(loop_ret < 0);
- if (loop_ret == -E_LOOP_COMPLETE) /* no error */
- return 1;
- if (loop_ret == -E_OSL) { /* osl error in loop function */
- assert(loop_osl_errno);
- osl_errno = loop_osl_errno;
- }
- return loop_ret;
+ return make_message("%s/uid_list", conf.database_dir_arg);
}
-static int adu_loop_reverse(struct osl_table *t, unsigned col_num, void *private_data,
- osl_rbtree_loop_func *func, int *loop_ret, int *loop_osl_errno)
+void sort_hash_table(int (*comp)(const void *, const void *))
{
- int ret = osl(osl_rbtree_loop_reverse(t, col_num, private_data, func));
- return check_loop_return(ret, *loop_ret, *loop_osl_errno);
+ qsort(uid_hash_table, uid_hash_table_size, sizeof(struct user_info),
+ comp);
}
-static int print_user_stats(void)
+int open_dir_table(int create)
{
- struct user_info *ui;
- int ret;
+ dir_table_desc.dir = adu_strdup(conf.database_dir_arg);
- FOR_EACH_USER(ui) {
- struct user_stats_info usi = {
- .count = conf.limit_arg,
- .ui = ui
- };
- if (!ui_used(ui) || !ui_admissible(ui))
- continue;
- usi.flags = USF_PRINT_DIRNAME | USF_PRINT_BYTES | USF_COMPUTE_SUMMARY;
- printf("uid %u, by size%s:\n",
- (unsigned) ui->uid, size_unit_buf);
- ret = adu_loop_reverse(ui->table, UT_BYTES, &usi, user_stats_loop_function,
- &usi.ret, &usi.osl_errno);
- if (ret < 0)
- return ret;
- printf("\nuid %u, by file count%s:\n",
- (unsigned) ui->uid, count_unit_buf);
- usi.count = conf.limit_arg,
- usi.flags = USF_PRINT_DIRNAME | USF_PRINT_FILES;
- ret = adu_loop_reverse(ui->table, UT_FILES, &usi, user_stats_loop_function,
- &usi.ret, &usi.osl_errno);
- if (ret < 0)
+ if (create) {
+ int ret = osl(osl_create_table(&dir_table_desc));
+ if (ret < 0) {
+ free((char *)dir_table_desc.dir);
return ret;
- printf("\n");
- }
- return 1;
-}
-
-static void print_global_summary(void)
-{
- char d[FORMATED_VALUE_SIZE], f[FORMATED_VALUE_SIZE],
- s[FORMATED_VALUE_SIZE];
- enum enum_count_unit ud, uf;
- enum enum_size_unit us;
-
- ud = format_count_value(conf.count_unit_arg, num_dirs, 0, d);
- uf = format_count_value(conf.count_unit_arg, num_files, 0, f);
- us = format_size_value(conf.size_unit_arg, num_bytes, 0, s);
-
- printf("Global summary "
- "(dirs(%c)/files(%c)/size(%c))\n"
- "\t%s\t%s\t%s\n\n",
- count_unit_abbrevs[ud],
- count_unit_abbrevs[uf],
- size_unit_abbrevs[us],
- d, f, s
- );
-
-}
-
-static int print_statistics(void)
-{
- int ret;
- struct global_stats_info gsi = {
- .count = conf.limit_arg,
- .flags = GSF_PRINT_DIRNAME | GSF_PRINT_BYTES | GSF_COMPUTE_SUMMARY
- };
-
- printf("By size%s:\n",
- size_unit_buf);
- ret = adu_loop_reverse(dir_table, DT_BYTES, &gsi,
- global_stats_loop_function, &gsi.ret, &gsi.osl_errno);
- if (ret < 0)
- return ret;
- printf("\n");
-
- gsi.count = conf.limit_arg;
- gsi.flags = GSF_PRINT_DIRNAME | GSF_PRINT_FILES;
- printf("By file count%s:\n",
- count_unit_buf);
- ret = adu_loop_reverse(dir_table, DT_FILES, &gsi,
- global_stats_loop_function, &gsi.ret, &gsi.osl_errno);
- if (ret < 0)
- return ret;
- printf("\n");
- print_global_summary();
- print_user_stats();
- print_id_stats();
- return 1;
-}
-
-static char *get_uid_list_name(void)
-{
- return make_message("%s/uid_list", conf.database_dir_arg);
-}
-
-static int write_uid_list(void)
-{
- char *buf, *filename;
- 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_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 = para_write_file(filename, buf, size);
- free(filename);
- free(buf);
- return ret;
-}
-
-static int open_dir_table(void)
-{
- if (!dir_table_desc.dir) /* we did not create the table */
- dir_table_desc.dir = para_strdup(conf.database_dir_arg);
return osl(osl_open_table(&dir_table_desc, &dir_table));
}
-static int com_create()
-{
- uint64_t zero = 0ULL;
- int ret = create_tables();
-
- if (ret < 0)
- return ret;
- check_signals();
- ret = open_dir_table();
- if (ret < 0)
- return ret;
- check_signals();
- ret = scan_dir(conf.base_dir_arg, &zero);
- if (ret < 0)
- goto out;
- ret = write_uid_list();
-out:
- close_all_tables();
- return ret;
-}
-
-static int read_uid_file(void)
-{
- size_t size;
- uint32_t n;
- char *filename = get_uid_list_name(), *map;
- int ret = mmap_full_file(filename, O_RDONLY, (void **)&map, &size, NULL);
-
- if (ret < 0) {
- INFO_LOG("failed to map %s\n", filename);
- free(filename);
- return ret;
- }
- num_uids = size / 4;
- INFO_LOG("found %u uids in %s\n", (unsigned)num_uids, filename);
- free(filename);
- /* 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;
-
- if (conf.count_unit_arg != count_unit_arg_h)
- count_unit_buf[1] = count_unit_abbrevs[conf.count_unit_arg];
- else
- count_unit_buf[0] = '\0';
- if (conf.size_unit_arg != size_unit_arg_h)
- size_unit_buf[1] = size_unit_abbrevs[conf.size_unit_arg];
- else
- size_unit_buf[0] = '\0';
-
- ret = open_dir_table();
- if (ret < 0)
- return ret;
- check_signals();
- ret = read_uid_file();
- if (ret < 0)
- return ret;
- check_signals();
- ret = print_statistics();
- close_all_tables();
- return ret;
-}
static int check_args(void)
{
- int i, ret;
+ if (conf.create_given && !conf.base_dir_given)
+ return -E_SYNTAX;
/* remove trailing slashes from base-dir arg */
if (conf.base_dir_given) {
conf.base_dir_arg[len] = '\0';
}
}
- if (!conf.uid_given)
- return 0;
- admissible_uids = para_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_complete_help_and_die(void)
+{
+ const char **line;
+ select_cmdline_parser_init(&select_conf);
+
+ printf("%s-%s\n", CMDLINE_PARSER_PACKAGE, CMDLINE_PARSER_VERSION);
+ printf("%s\n\n", gengetopt_args_info_purpose);
+ printf("%s\n\n", gengetopt_args_info_usage);
+
+ if (conf.help_given)
+ line = gengetopt_args_info_help;
+ else
+ line = gengetopt_args_info_detailed_help;
+ for (; *line; line++)
+ printf("%s\n", *line);
+
+ if (conf.help_given)
+ line = select_args_info_help;
+ else
+ line = select_args_info_detailed_help;
+ printf("Select options:\n");
+ for (; *line; line++)
+ printf("%s\n", *line);
+
+ printf("Interactive commands:\n");
+ print_interactive_help();
+ exit(EXIT_FAILURE);
}
int main(int argc, char **argv)
.initialize = 1,
.check_required = 0,
.check_ambiguity = 0,
- .print_errors = 1
+ .print_errors = 0
};
+ /* ignore errors and print complete help if --help was given */
+ cmdline_parser_ext(argc, argv, &conf, ¶ms);
+ if (conf.help_given || conf.detailed_help_given)
+ print_complete_help_and_die();
+ params.check_required = 1;
+ params.check_ambiguity = 1;
+ params.print_errors = 1;
+ ret = cmdline_parser_ext(argc, argv, &conf, ¶ms);
+ if (ret)
+ exit(EXIT_FAILURE);
- cmdline_parser_ext(argc, argv, &conf, ¶ms); /* aborts on errors */
- ret = init_signals();
+ ret = check_args();
if (ret < 0)
goto out;
- ret = check_args();
+ ret = init_signals();
if (ret < 0)
goto out;
ret = -E_SYNTAX;
if (conf.select_given)
ret = com_select();
- else
+ else if (conf.create_given)
ret = com_create();
+ else
+ ret = com_interactive();
if (ret < 0)
goto out;
out:
- free(admissible_uids);
if (ret < 0) {
ERROR_LOG("%s\n", adu_strerror(-ret));
return -EXIT_FAILURE;