/** \file select.c The select mode of adu. */
#include <dirent.h> /* readdir() */
+#include "format.h"
#include "adu.h"
#include "gcc-compat.h"
#include "cmdline.h"
#include "string.h"
#include "error.h"
#include "portable_io.h"
-#include "select.cmdline.h"
/** Global dir count. */
static uint64_t num_dirs;
/** Global bytes count. */
static uint64_t num_bytes;
+
/** 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] = "( )";
+#define GLOBAL_LIST_ATOMS \
+ ATOM(size, SIZE) \
+ ATOM(files, COUNT) \
+ ATOM(dirname, STRING) \
-enum global_stats_flags {
- GSF_PRINT_DIRNAME = 1,
- GSF_PRINT_BYTES = 2,
- GSF_PRINT_FILES = 4,
- GSF_COMPUTE_SUMMARY = 8,
+#define ATOM(x, y) { .name = #x, .type = AT_ ## y},
+struct atom global_list_atoms[] = {
+ GLOBAL_LIST_ATOMS
+ {.name = NULL}
+};
+#undef ATOM
+#define ATOM(x, y) gla_ ## x,
+enum global_list_atoms {GLOBAL_LIST_ATOMS};
+#undef ATOM
+
+#define GLOBAL_SUMMARY_ATOMS \
+ ATOM(dirs, COUNT) \
+ ATOM(files, COUNT) \
+ ATOM(size, SIZE)
+
+#define ATOM(x, y) { .name = #x, .type = AT_ ## y},
+struct atom global_summary_atoms[] = {
+ GLOBAL_SUMMARY_ATOMS
+ {.name = NULL}
+};
+#undef ATOM
+#define ATOM(x, y) gsa_ ## x,
+enum global_summary_atoms {GLOBAL_SUMMARY_ATOMS};
+#undef ATOM
+
+#define USER_SUMMARY_ATOMS \
+ ATOM(pw_name, STRING) \
+ ATOM(uid, ID) \
+ ATOM(dirs, COUNT) \
+ ATOM(files, COUNT) \
+ ATOM(size, SIZE)
+
+#define ATOM(x, y) { .name = #x, .type = AT_ ## y},
+struct atom user_summary_atoms[] = {
+ USER_SUMMARY_ATOMS
+ {.name = NULL}
};
+#undef ATOM
+#define ATOM(x, y) usa_ ## x,
+enum user_summary_atoms {USER_SUMMARY_ATOMS};
+#undef ATOM
+
+
+
+/* these get filled in by the select command. */
+static char count_unit_buf[4] = "( )", size_unit_buf[4] = "( )";
-struct global_stats_info {
+struct global_list_info {
uint32_t count;
int ret;
int osl_errno;
- enum global_stats_flags flags;
+ struct format_info *fi;
};
enum user_stats_flags {
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(select_conf.count_unit_arg, files,
- select_conf.count_unit_arg == count_unit_arg_h,
- formated_value);
- ret = output("\t%s%s", formated_value,
- (gsi->flags & (GSF_PRINT_BYTES | GSF_PRINT_DIRNAME))?
- "\t" : "\n");
- if (ret < 0)
- goto err;
- }
- 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(select_conf.size_unit_arg, bytes,
- select_conf.size_unit_arg == size_unit_arg_h,
- formated_value);
- ret = output("%s%s%s",
- (gsi->flags & GSF_PRINT_FILES)? "" : "\t",
- formated_value,
- (gsi->flags & GSF_PRINT_DIRNAME)? "\t" : "\n"
- );
- if (ret < 0)
- goto err;
- }
- 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;
- ret = output("%s%s\n",
- (gsi->flags & (GSF_PRINT_BYTES | GSF_PRINT_FILES))? "" : "\t",
- dirname);
- free(dirname);
- if (ret < 0)
- goto err;
- }
- 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 check_loop_return(ret, *loop_ret, *loop_osl_errno);
}
-static int print_global_summary(void)
+static int print_global_summary(struct format_info *fi)
{
- char d[FORMATED_VALUE_SIZE], f[FORMATED_VALUE_SIZE],
- s[FORMATED_VALUE_SIZE];
- enum enum_count_unit ud, uf;
- enum enum_size_unit us;
int ret;
+ char *buf;
+ union atom_value values[] = {
+ [gsa_dirs] = {.num_value = (long long unsigned)num_dirs},
+ [gsa_files] = {.num_value = (long long unsigned)num_files},
+ [gsa_size] = {.num_value = (long long unsigned)num_bytes}
+ };
if (select_conf.no_global_summary_given)
return 1;
- ud = format_count_value(select_conf.count_unit_arg, num_dirs, 0, d);
- uf = format_count_value(select_conf.count_unit_arg, num_files, 0, f);
- us = format_size_value(select_conf.size_unit_arg, num_bytes, 0, s);
-
if (!select_conf.no_headers_given) {
- ret = output("Global summary "
- "(dirs(%c)/files(%c)/size(%c))\n",
- count_unit_abbrevs[ud],
- count_unit_abbrevs[uf],
- size_unit_abbrevs[us]
- );
+ ret = output("Global summary\n");
if (ret < 0)
return ret;
}
- return output("\t%s\t%s\t%s\n\n", d, f, s);
+ buf = format_items(fi, values);
+ ret = output("%s", buf);
+ free(buf);
+ return ret;
}
static int print_user_summary_line(struct user_info *ui, __a_unused void *data)
{
- char formated_dir_count[FORMATED_VALUE_SIZE],
- formated_file_count[FORMATED_VALUE_SIZE],
- formated_bytes[FORMATED_VALUE_SIZE ];
-
- format_count_value(select_conf.count_unit_arg, ui->dirs,
- select_conf.count_unit_arg == count_unit_arg_h,
- formated_dir_count);
- format_count_value(select_conf.count_unit_arg, ui->files,
- select_conf.count_unit_arg == count_unit_arg_h,
- formated_file_count);
- format_size_value(select_conf.size_unit_arg, ui->bytes,
- select_conf.size_unit_arg == size_unit_arg_h,
- formated_bytes);
- return output("\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
- );
+ struct format_info *fi = data;
+ union atom_value values[] = {
+ [usa_pw_name] = {.string_value = ui->pw_name?
+ ui->pw_name : "?"},
+ [usa_uid] = {.num_value = (long long unsigned)ui->uid},
+ [usa_dirs] = {.num_value = (long long unsigned)ui->dirs},
+ [usa_files] = {.num_value = (long long unsigned)ui->files},
+ [usa_size] = {.num_value = (long long unsigned)ui->bytes}
+ };
+ char *buf = format_items(fi, values);
+ int ret = output("%s", buf);
+
+ free(buf);
+ return ret;
}
static int name_comp(const void *a, const void *b)
[user_summary_sort_arg_size] = size_comp,
};
-static int print_user_summary(void)
+static int print_user_summary(struct format_info *fi)
{
if (select_conf.no_user_summary_given)
return 1;
if (!select_conf.no_headers_given) {
- int ret = output("User summary "
- "(pw_name/uid/dirs%s/files%s/size%s):\n",
- count_unit_buf, count_unit_buf, size_unit_buf);
+ int ret = output("User summary\n");
if (ret < 0)
return ret;
}
sort_hash_table(summary_comparators[select_conf.user_summary_sort_arg]);
- return for_each_admissible_user(print_user_summary_line, NULL);
+ return for_each_admissible_user(print_user_summary_line, fi);
}
static int print_user_list(struct user_info *ui, __a_unused void *data)
return for_each_admissible_user(print_user_list, NULL);
}
-static int print_global_lists(void)
+static int get_num_files_of_row(struct osl_row *row, uint64_t *num_files)
{
- struct global_stats_info gsi;
- int ret;
- enum enum_global_list gla = select_conf.global_list_arg;
- int print_size_list = (gla == global_list_arg_size
- || gla == global_list_arg_both);
+ struct osl_object obj;
+ int ret = osl(osl_get_object(dir_table, row, DT_FILES, &obj));
+ if (ret < 0)
+ return ret;
+ *num_files = *(uint64_t *)obj.data;
+ return 1;
+}
- if (print_size_list) {
- gsi.count = select_conf.limit_arg;
- gsi.flags = GSF_PRINT_DIRNAME | GSF_PRINT_BYTES | GSF_COMPUTE_SUMMARY;
- if (!select_conf.no_headers_given) {
- ret = output("By size%s:\n", size_unit_buf);
- if (ret < 0)
- return ret;
- }
- ret = adu_loop_reverse(dir_table, DT_BYTES, &gsi,
- global_stats_loop_function, &gsi.ret, &gsi.osl_errno);
- if (ret < 0)
- return ret;
- ret = output("\n");
- if (ret < 0)
- return ret;
- }
- if (gla == global_list_arg_file_count || gla == global_list_arg_both) {
- gsi.count = select_conf.limit_arg;
- gsi.flags = GSF_PRINT_DIRNAME | GSF_PRINT_FILES;
- if (!print_size_list)
- gsi.flags |= GSF_COMPUTE_SUMMARY;
- if (!select_conf.no_headers_given) {
- ret = output("By file count%s:\n", count_unit_buf);
- if (ret < 0)
- return ret;
- }
- ret = adu_loop_reverse(dir_table, DT_FILES, &gsi,
- global_stats_loop_function, &gsi.ret, &gsi.osl_errno);
- if (ret < 0)
- return ret;
- ret = output("\n");
- if (ret < 0)
- return ret;
- }
- if (gla == global_list_arg_none && !select_conf.no_global_summary_given) {
- /* must compute summary */
- gsi.count = select_conf.limit_arg;
- gsi.flags = GSF_COMPUTE_SUMMARY;
- ret = adu_loop_reverse(dir_table, DT_FILES, &gsi,
- global_stats_loop_function, &gsi.ret, &gsi.osl_errno);
- if (ret < 0)
- return ret;
- }
+static int get_num_bytes_of_row(struct osl_row *row, uint64_t *num_bytes)
+{
+ struct osl_object obj;
+ int ret = osl(osl_get_object(dir_table, row, DT_BYTES, &obj));
+ if (ret < 0)
+ return ret;
+ *num_bytes = *(uint64_t *)obj.data;
return 1;
}
-static int print_statistics(void)
+static int global_list_loop_function(struct osl_row *row, void *data)
{
+ struct global_list_info *gli = data;
+ union atom_value values[] = {
+ [gla_size] = {.num_value = 0ULL},
+ [gla_files] = {.num_value = 0ULL},
+ [gla_dirname] = {.string_value = NULL}
+ };
+ uint64_t num_files, num_bytes;
+ char *dirname, *buf;
int ret;
- ret = print_global_lists();
- if (ret < 0)
- return ret;
- ret = print_global_summary();
+ check_signals();
+ ret = -E_LOOP_COMPLETE;
+ if (!gli->count)
+ goto err;
+
+ ret = get_num_files_of_row(row, &num_files);
if (ret < 0)
- return ret;
- ret = print_user_lists();
+ goto err;
+ values[gla_files].num_value = (long long unsigned)num_files;
+
+ ret = get_num_bytes_of_row(row, &num_bytes);
if (ret < 0)
- return ret;
- ret = print_user_summary();
+ goto err;
+ values[gla_size].num_value = (long long unsigned)num_bytes;
+
+ ret = get_dir_name_of_row(row, &dirname);
if (ret < 0)
- return ret;
- return 1;
+ goto err;
+ values[gla_dirname].string_value = dirname;
+
+ buf = format_items(gli->fi, values);
+ free(dirname);
+ ret = output("%s", buf);
+ free(buf);
+ if (gli->count > 0)
+ gli->count--;
+ return ret;
+err:
+ gli->ret = ret;
+ gli->osl_errno = (ret == -E_OSL)? osl_errno : 0;
+ return -1;
+}
+
+static int print_global_list(struct format_info *fi)
+{
+ int ret;
+ enum dir_table_columns sort_column = DT_BYTES;
+ struct global_list_info gli = {
+ .fi = fi,
+ .count = select_conf.limit_arg
+ };
+
+ if (!select_conf.no_headers_given) {
+ ret = output("Global list\n");
+ if (ret < 0)
+ return ret;
+ }
+ if (select_conf.sort_arg == sort_arg_files)
+ sort_column = DT_FILES;
+ return adu_loop_reverse(dir_table, sort_column, &gli,
+ global_list_loop_function, &gli.ret, &gli.osl_errno);
+}
+
+static int print_statistics(struct select_format_info *sli)
+{
+ int ret;
+
+ switch (select_conf.select_mode_arg) {
+ case select_mode_arg_global_list:
+ ret = print_global_list(sli->global_list_fi);
+ free_format_info(sli->global_list_fi);
+ return ret;
+ case select_mode_arg_global_summary:
+ ret = print_global_summary(sli->global_summary_fi);
+ free_format_info(sli->global_summary_fi);
+ return ret;
+ case select_mode_arg_user_list:
+ ret = print_user_lists();
+ return ret;
+ case select_mode_arg_user_summary:
+ ret = print_user_summary(sli->user_summary_fi);
+ free_format_info(sli->user_summary_fi);
+ return ret;
+ };
+ ERROR_LOG("bad select mode\n");
+ return ERRNO_TO_ERROR(-EINVAL);
}
static int read_uid_file(struct uid_range *admissible_uids)
return ret;
}
-int run_select_query(struct uid_range *admissible_uids)
+int run_select_query(struct uid_range *admissible_uids,
+ struct select_format_info *sfi)
{
int ret;
if (ret < 0)
goto out;
check_signals();
- ret = print_statistics();
+ ret = print_statistics(sfi);
out:
close_all_tables();
if (output_file != stdout)
return ret;
}
-int com_select(void)
+/* return: < 0: error, >0: OK, == 0: help given */
+int parse_select_options(char *string, struct select_cmdline_parser_params *params,
+ struct uid_range **admissible_uids, struct select_format_info *sfi)
{
int ret;
- struct uid_range *admissible_uids = NULL;
+ const char **line;
if (conf.select_options_given) {
- struct select_cmdline_parser_params params = {
- .override = 1,
- .initialize = 1,
- .check_required = 1,
- .check_ambiguity = 1,
- .print_errors = 1
- };
-
- if (select_cmdline_parser_string_ext(conf.select_options_arg,
- &select_conf, "select", ¶ms))
+ int argc;
+ char **argv;
+
+ ret = create_argv(string, &argv);
+ if (ret < 0)
+ return ret;
+ argc = ret;
+ ret = select_cmdline_parser_ext(argc, argv, &select_conf, params);
+ free_argv(argv);
+ if (ret)
return -E_SYNTAX;
- ret = parse_uid_arg(select_conf.uid_arg, &admissible_uids);
+ if (select_conf.help_given || select_conf.detailed_help_given)
+ goto help;
+
+ }
+ ret = parse_uid_arg(select_conf.uid_arg, admissible_uids);
+ if (ret < 0)
+ return ret;
+ ret = parse_format_string(select_conf.user_summary_format_arg,
+ user_summary_atoms, &sfi->user_summary_fi);
+ if (ret < 0)
+ return ret;
+ ret = parse_format_string(select_conf.global_summary_format_arg,
+ global_summary_atoms, &sfi->global_summary_fi);
+ if (ret < 0)
+ goto global_summary_err;
+ ret = parse_format_string(select_conf.global_list_format_arg,
+ global_list_atoms, &sfi->global_list_fi);
+ if (ret < 0)
+ goto global_list_err;
+ return 1;
+global_list_err:
+ free_format_info(sfi->global_summary_fi);
+global_summary_err:
+ free_format_info(sfi->user_summary_fi);
+ return ret;
+help:
+ line = select_conf.detailed_help_given?
+ select_args_info_detailed_help : select_args_info_help;
+ if (!output_file)
+ output_file = stdout;
+ for (; *line; line++) {
+ ret = output("%s\n", *line);
if (ret < 0)
return ret;
}
- return run_select_query(admissible_uids);
+ return 0;
+}
+
+int com_select(void)
+{
+ struct uid_range *admissible_uids = NULL;
+ struct select_format_info sfi;
+ int ret;
+ struct select_cmdline_parser_params params = {
+ .override = 1,
+ .initialize = 1,
+ .check_required = 1,
+ .check_ambiguity = 1,
+ .print_errors = 1
+ };
+
+ select_cmdline_parser_init(&select_conf);
+ ret = parse_select_options(conf.select_options_arg, ¶ms,
+ &admissible_uids, &sfi);
+ if (ret <= 0) /* do not run query if help was given */
+ return ret;
+ return run_select_query(admissible_uids, &sfi);
}