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,
-};
-
-struct user_info {
- uint32_t uid;
- uint32_t flags;
- char *pw_name;
- struct osl_table *table;
- uint64_t files;
- uint64_t bytes;
- uint64_t dirs;
- struct osl_table_description *desc;
-};
+/** In case a signal is received, its number is stored here. */
+static int signum;
-/** The decimal representation of an uint64_t never exceeds that size. */
-#define FORMATED_VALUE_SIZE 25
+/** Command line and config file options. */
+struct gengetopt_args_info conf;
-#define FOR_EACH_USER(ui) for (ui = uid_hash_table; ui && ui < uid_hash_table \
- + uid_hash_table_size; ui++)
+/** 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;
/**
* Contains info for each user that owns at least one regular file.
* 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.
*/
-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;
-}
-
-static inline int ui_admissible(struct user_info *ui)
-{
- 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 = 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 = 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;
-}
+struct user_info *uid_hash_table = NULL;
-/** 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 table containing the directory names and statistics.
+ */
+struct osl_table *dir_table = NULL;
/**
- * The log function.
- *
- * \param ll Loglevel.
- * \param fml Usual format string.
- *
- * All XXX_LOG() macros use this function.
+ * The array of all uid ranges that were given at the command line.
*/
-__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 uid_range *admissible_uids;
- 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);
-}
+/** 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
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
-};
-
static struct osl_column_description user_table_cols[] = {
[UT_DIR_NUM] = {
.storage_type = OSL_MAPPED_STORAGE,
},
};
-static struct osl_table *dir_table;
+static 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 = 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 = 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)
return osl(osl_add_row(dir_table, dir_objects));
}
-static uint32_t num_uids;
-
static int open_user_table(struct user_info *ui, int create)
{
int ret;
}
#define uid_hash_bits 8
-static uint32_t uid_hash_table_size = 1 << uid_hash_bits;
+uint32_t uid_hash_table_size = 1 << uid_hash_bits;
#define PRIME1 0x811c9dc5
#define PRIME2 0x01000193
-static void create_hash_table(void)
+void create_hash_table(void)
{
uid_hash_table = adu_calloc(uid_hash_table_size
* sizeof(struct user_info));
close_user_table(ui);
}
-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;
% uid_hash_table_size;
}
-enum search_uid_flags {
- OPEN_USER_TABLE = 1,
- CREATE_USER_TABLE = 2,
-};
-
static int uid_is_admissible(uint32_t uid)
{
int i;
return i;
}
-static int search_uid(uint32_t uid, enum search_uid_flags flags,
+int search_uid(uint32_t uid, enum search_uid_flags flags,
struct user_info **ui_ptr)
{
uint32_t p;
}
}
-static uint64_t num_dirs;
-static uint64_t num_files;
-static uint64_t num_bytes;
-
/* id of the device containing the base dir. */
static dev_t device_id;
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 = adu_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 = adu_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 "
- "(pw_name/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%s\t%u\t%s\t%s\t%s\n",
- ui->pw_name? ui->pw_name : "?",
- (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;
-}
-
-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)
-{
- int ret = osl(osl_rbtree_loop_reverse(t, col_num, private_data, func));
- return check_loop_return(ret, *loop_ret, *loop_osl_errno);
-}
-
-static int print_user_stats(void)
-{
- struct user_info *ui;
- int ret;
-
- 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("%s (uid %u), by size%s:\n",
- ui->pw_name? ui->pw_name : "?", (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("\n%s (uid %u), by file count%s:\n",
- ui->pw_name? ui->pw_name : "?", (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)
- 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)
+char *get_uid_list_name(void)
{
return make_message("%s/uid_list", conf.database_dir_arg);
}
return ret;
}
-static int open_dir_table(void)
+int open_dir_table(void)
{
if (!dir_table_desc.dir) /* we did not create the table */
dir_table_desc.dir = adu_strdup(conf.database_dir_arg);
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:
- adu_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;
--- /dev/null
+/*
+ * Copyright (C) 2008 Andre Noll <maan@systemlinux.org>
+ *
+ * Licensed under the GPL v2. For licencing details see COPYING.
+ */
+
+/** \file select.c The select mode of adu. */
+
+#include <dirent.h> /* readdir() */
+#include "adu.h"
+#include "gcc-compat.h"
+#include "cmdline.h"
+#include "fd.h"
+#include "string.h"
+#include "error.h"
+#include "portable_io.h"
+
+/** The decimal representation of an uint64_t never exceeds that size. */
+#define FORMATED_VALUE_SIZE 25
+
+/* these get filled in by the select command. */
+static char count_unit_buf[4] = "( )", size_unit_buf[4] = "( )";
+
+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;
+};
+
+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 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,
+};
+
+static 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,
+};
+
+static const char size_unit_abbrevs[] = " BKMGT";
+static 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;
+}
+
+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 = adu_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 = adu_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;
+}
+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 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 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;
+}
+
+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)
+{
+ int ret = osl(osl_rbtree_loop_reverse(t, col_num, private_data, func));
+ return check_loop_return(ret, *loop_ret, *loop_osl_errno);
+}
+
+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 void print_id_stats(void)
+{
+ struct user_info *ui;
+
+ printf("User summary "
+ "(pw_name/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%s\t%u\t%s\t%s\t%s\n",
+ ui->pw_name? ui->pw_name : "?",
+ (unsigned)ui->uid,
+ formated_dir_count,
+ formated_file_count,
+ formated_bytes
+ );
+ }
+}
+
+static int print_user_stats(void)
+{
+ struct user_info *ui;
+ int ret;
+
+ 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("%s (uid %u), by size%s:\n",
+ ui->pw_name? ui->pw_name : "?", (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("\n%s (uid %u), by file count%s:\n",
+ ui->pw_name? ui->pw_name : "?", (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)
+ return ret;
+ printf("\n");
+ }
+ return 1;
+}
+
+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 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:
+ adu_munmap(map, size);
+ return ret;
+}
+
+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;
+}
projects / adu.git / commitdiff