1 /** \file adu.c The main functions used by all modes of operation. */
3 #include <dirent.h> /* readdir() */
7 #include "select.cmdline.h"
17 /** In case a signal is received, its number is stored here. */
20 /** Command line and config file options. */
21 struct gengetopt_args_info conf;
23 /** Options passed to --select-options. */
24 struct select_args_info select_conf;
28 * The table containing the directory names and statistics.
30 struct osl_table *dir_table = NULL;
32 static struct osl_column_description dir_table_cols[] = {
34 .storage_type = OSL_MAPPED_STORAGE,
39 .storage_type = OSL_MAPPED_STORAGE,
40 .storage_flags = OSL_RBTREE | OSL_FIXED_SIZE | OSL_UNIQUE,
42 .compare_function = uint64_compare,
43 .data_size = sizeof(uint64_t)
46 .storage_type = OSL_MAPPED_STORAGE,
47 .storage_flags = OSL_RBTREE | OSL_FIXED_SIZE | OSL_UNIQUE,
49 .compare_function = size_compare,
50 .data_size = sizeof(uint64_t)
53 .storage_type = OSL_MAPPED_STORAGE,
54 .storage_flags = OSL_RBTREE | OSL_FIXED_SIZE,
55 .compare_function = size_compare,
57 .data_size = sizeof(uint64_t)
60 .storage_type = OSL_MAPPED_STORAGE,
61 .storage_flags = OSL_RBTREE | OSL_FIXED_SIZE,
62 .compare_function = size_compare,
64 .data_size = sizeof(uint64_t)
68 static struct osl_table_description dir_table_desc = {
70 .num_columns = NUM_DT_COLUMNS,
72 .column_descriptions = dir_table_cols,
79 * \param fmt Usual format string.
81 * All XXX_LOG() macros use this function.
83 __printf_2_3 void __log(int ll, const char* fmt,...)
91 if (ll < conf.loglevel_arg)
96 strftime(str, sizeof(str), "%b %d %H:%M:%S", tm);
97 fprintf(outfd, "%s ", str);
99 vfprintf(outfd, fmt, argp);
103 static void close_dir_table(void)
109 NOTICE_LOG("closing dir table\n");
110 ret = osl(osl_close_table(dir_table, OSL_MARK_CLEAN));
112 ERROR_LOG("failed to close dir table: %s\n", adu_strerror(-ret));
113 free((char *)dir_table_desc.dir);
117 void close_all_tables(void)
123 static void signal_handler(int s)
128 void check_signals(void)
132 EMERG_LOG("caught signal %d\n", signum);
137 static int init_signals(void)
139 if (signal(SIGINT, &signal_handler) == SIG_ERR)
140 return -E_SIGNAL_SIG_ERR;
141 if (signal(SIGTERM, &signal_handler) == SIG_ERR)
142 return -E_SIGNAL_SIG_ERR;
143 if (signal(SIGPIPE, &signal_handler) == SIG_ERR)
144 return -E_SIGNAL_SIG_ERR;
148 int open_dir_table(int create)
153 dir_table_desc.dir = adu_strdup(conf.database_dir_arg);
156 NOTICE_LOG("creating dir table\n");
157 int ret = osl(osl_create_table(&dir_table_desc));
159 free((char *)dir_table_desc.dir);
163 INFO_LOG("opening dir table\n");
164 return osl(osl_open_table(&dir_table_desc, &dir_table));
167 static int check_args(void)
169 if (conf.create_given && !conf.base_dir_given)
172 /* remove trailing slashes from base-dir arg */
173 if (conf.base_dir_given) {
174 size_t len = strlen(conf.base_dir_arg);
176 if (!len) /* empty string */
177 return -ERRNO_TO_ERROR(EINVAL);
178 if (!--len) /* length 1 is always OK */
180 if (conf.base_dir_arg[len] != '/')
181 break; /* no trailing slash, also OK */
182 conf.base_dir_arg[len] = '\0';
188 static int print_complete_help_and_die(void)
192 printf("%s-%s\n", CMDLINE_PARSER_PACKAGE, CMDLINE_PARSER_VERSION);
193 printf("%s\n\n", gengetopt_args_info_purpose);
194 printf("%s\n\n", gengetopt_args_info_usage);
197 line = gengetopt_args_info_help;
199 line = gengetopt_args_info_detailed_help;
200 for (; *line; line++)
201 printf("%s\n", *line);
204 line = select_args_info_help;
206 line = select_args_info_detailed_help;
207 printf("Select options:\n");
208 for (; *line; line++)
209 printf("%s\n", *line);
211 printf("Interactive commands:\n");
212 print_interactive_help();
213 cmdline_parser_free(&conf);
214 select_cmdline_parser_free(&select_conf);
218 int main(int argc, char **argv)
221 struct cmdline_parser_params params = {
225 .check_ambiguity = 0,
228 select_cmdline_parser_init(&select_conf);
229 cmdline_parser_init(&conf);
230 /* ignore errors and print complete help if --help was given */
231 cmdline_parser_ext(argc, argv, &conf, ¶ms);
232 if (conf.help_given || conf.detailed_help_given)
233 print_complete_help_and_die();
234 cmdline_parser_free(&conf);
235 params.check_required = 1;
236 params.check_ambiguity = 1;
237 params.print_errors = 1;
238 ret = cmdline_parser_ext(argc, argv, &conf, ¶ms);
245 ret = init_signals();
249 if (conf.select_given)
251 else if (conf.create_given)
254 ret = com_interactive();
260 ERROR_LOG("%s\n", adu_strerror(-ret));
261 return -EXIT_FAILURE;
263 cmdline_parser_free(&conf);
264 select_cmdline_parser_free(&select_conf);