struct osl_table_description *desc;
};
+/** The decimal representation of an uint64_t never exceeds that size. */
+#define FORMATED_VALUE_SIZE 25
+
+#define FOR_EACH_USER(ui) for (ui = uid_hash_table; ui && ui < uid_hash_table \
+ + uid_hash_table_size; ui++)
+
+
/**
* 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;
int ret;
char *arg = para_strdup(orig_arg), *p = strchr(arg, '-');
- if (!p || p == arg) {
- if (p == arg) /* -42 */
- p++;
- ret = check_uid_arg(p, &ur->high);
+ 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;
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)))
return 1;
}
+static void close_dir_table(void)
+{
+ int ret;
+
+ if (!dir_table)
+ return;
+ ret = osl(osl_close_table(dir_table, OSL_MARK_CLEAN));
+ if (ret < 0)
+ 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)
+ 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->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 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)
+{
+ 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.
% uid_hash_table_size;
}
-#define FOR_EACH_USER(ui) for (ui = uid_hash_table; ui && ui < uid_hash_table \
- + uid_hash_table_size; ui++)
-
enum search_uid_flags {
OPEN_USER_TABLE = 1,
CREATE_USER_TABLE = 2,
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) {
};
const char size_unit_abbrevs[] = " BKMGT";
-const char count_unit_abbrevs[] = " KMGT";
+const char count_unit_abbrevs[] = " kmgt";
-static void format_size_value(enum enum_size_unit unit, uint64_t value, char *result)
+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 (unit = size_unit_arg_b; unit < size_unit_arg_t && value > size_unit_divisors[unit + 1]; unit++)
- ; /* nothing */
- sprintf(result, "%llu%c", (long long unsigned)value / size_unit_divisors[unit], size_unit_abbrevs[unit]);
+ 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 void format_count_value(enum enum_count_unit unit, uint64_t value, char *result)
+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 (unit = count_unit_arg_n; unit < count_unit_arg_t && value > count_unit_divisors[unit + 1]; unit++)
- ; /* nothing */
- sprintf(result, "%llu%c", (long long unsigned)value / count_unit_divisors[unit], count_unit_abbrevs[unit]);
+ 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 {
struct global_stats_info {
uint32_t count;
+ int ret;
+ int osl_errno;
enum global_stats_flags flags;
};
{
struct global_stats_info *gsi = data;
struct osl_object obj;
- char *dirname, formated_value[25];
+ char *dirname, formated_value[FORMATED_VALUE_SIZE];
int ret, summary = gsi->flags & GSF_COMPUTE_SUMMARY;
- if (!gsi->count && !summary)
- return -E_LOOP_COMPLETE;
- if (gsi->count && (gsi->flags & GSF_PRINT_DIRNAME)) {
- ret = get_dir_name_of_row(row, &dirname);
- if (ret < 0)
- return ret;
- printf("%s%s", dirname,
- (gsi->flags & (GSF_PRINT_FILES | GSF_PRINT_BYTES))?
- "\t" : "\n"
- );
+ 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)
- return ret;
+ goto err;
files = *(uint64_t *)obj.data;
if (gsi->count && (gsi->flags & GSF_PRINT_FILES)) {
- format_size_value(conf.size_unit_arg, files,
+ format_count_value(conf.count_unit_arg, files,
+ conf.count_unit_arg == count_unit_arg_h,
formated_value);
- printf("%s%s", formated_value,
- (gsi->flags & GSF_PRINT_BYTES)? "\t" : "\n");
+ printf("\t%s%s", formated_value,
+ (gsi->flags & (GSF_PRINT_BYTES | GSF_PRINT_DIRNAME))?
+ "\t" : "\n");
}
if (summary)
num_files += files;
uint64_t bytes;
ret = osl(osl_get_object(dir_table, row, DT_BYTES, &obj));
if (ret < 0)
- return ret;
+ 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\n", 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/files/bytes):\n");
+ 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[25], formated_file_count[25],
- formated_bytes[25];
- if (!ui_used(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("%u\t%s\t%s\t%s\n", (unsigned)ui->uid,
+ printf("\t%u\t%s\t%s\t%s\n", (unsigned)ui->uid,
formated_dir_count,
formated_file_count,
formated_bytes
struct user_stats_info {
uint32_t count;
enum user_stats_flags flags;
+ int ret;
+ int osl_errno;
struct user_info *ui;
};
struct user_stats_info *usi = data;
struct osl_object obj;
int ret, summary = usi->flags & GSF_COMPUTE_SUMMARY;
- char formated_value[25];
+ char formated_value[FORMATED_VALUE_SIZE];
- if (!usi->count && !summary)
- return -E_LOOP_COMPLETE;
- 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)
- return ret;
- ret = get_dir_name_by_number((uint64_t *)obj.data, &dirname);
- if (ret < 0)
- return ret;
- printf("%s%s",
- dirname,
- (usi->flags & (USF_PRINT_FILES | USF_PRINT_BYTES))?
- "\t" : "\n"
- );
+ 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)
- return ret;
+ goto err;
files = *(uint64_t *)obj.data;
if (usi->count && (usi->flags & USF_PRINT_FILES)) {
- format_size_value(conf.size_unit_arg, files,
+ format_count_value(conf.count_unit_arg, files,
+ conf.count_unit_arg == count_unit_arg_h,
formated_value);
- printf("%s%s", formated_value,
- (usi->flags & USF_PRINT_BYTES)? "\t" : "\n"
+ printf("\t%s%s", formated_value,
+ (usi->flags & (USF_PRINT_BYTES | USF_PRINT_DIRNAME))?
+ "\t" : "\n"
);
}
if (summary)
uint64_t bytes;
ret = osl(osl_get_object(usi->ui->table, row, UT_BYTES, &obj));
if (ret < 0)
- return ret;
+ 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\n", 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;
}
}
+ 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 void print_user_stats(void)
+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 = {
if (!ui_used(ui) || !ui_admissible(ui))
continue;
usi.flags = USF_PRINT_DIRNAME | USF_PRINT_BYTES | USF_COMPUTE_SUMMARY;
- printf("************************************************ uid %u\n",
- (unsigned) ui->uid);
- printf("----------------- Largest dirs -------------------\n");
- osl(osl_rbtree_loop_reverse(ui->table, UT_BYTES, &usi,
- user_stats_loop_function));
- printf("---------- dirs containing most files ------------\n");
+ 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;
- osl(osl_rbtree_loop_reverse(ui->table, UT_FILES, &usi,
- user_stats_loop_function));
+ 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)
.flags = GSF_PRINT_DIRNAME | GSF_PRINT_BYTES | GSF_COMPUTE_SUMMARY
};
- printf("----------------- Largest dirs -------------------\n");
- ret = osl(osl_rbtree_loop_reverse(dir_table, DT_BYTES, &gsi,
- global_stats_loop_function));
- if (ret < 0 && ret != -E_LOOP_COMPLETE)
+ 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;
- gsi.count = conf.limit_arg;
+ printf("\n");
+ gsi.count = conf.limit_arg;
gsi.flags = GSF_PRINT_DIRNAME | GSF_PRINT_FILES;
- printf("---------- dirs containing most files ------------\n");
- ret = osl(osl_rbtree_loop_reverse(dir_table, DT_FILES, &gsi,
- global_stats_loop_function));
- if (ret < 0 && ret != -E_LOOP_COMPLETE)
+ 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("------------------ Global summary (dirs/files/bytes)\n"
- "%llu\t%llu\t%llu\n",
- (long long unsigned)num_dirs, (long long unsigned)num_files,
- (long long unsigned)num_bytes);
+ printf("\n");
+ print_global_summary();
print_user_stats();
print_id_stats();
return 1;
dir_table_desc.dir = para_strdup(conf.database_dir_arg);
return osl(osl_open_table(&dir_table_desc, &dir_table));
}
-
-static void close_dir_table(void)
-{
- int ret;
-
- if (!dir_table)
- return;
- ret = osl(osl_close_table(dir_table, OSL_MARK_CLEAN));
- if (ret < 0)
- 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)
- 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->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 void close_all_tables(void)
-{
- close_dir_table();
- close_user_tables();
- free_hash_table();
-}
-
static int com_create()
{
uint64_t zero = 0ULL;
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;
{
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;
};
cmdline_parser_ext(argc, argv, &conf, ¶ms); /* aborts on errors */
+ ret = init_signals();
+ if (ret < 0)
+ goto out;
ret = check_args();
if (ret < 0)
goto out;
projects / adu.git / blobdiff