#include "time.h"
#include "snap.h"
-
+/** Command line and config file options. */
static struct gengetopt_args_info conf;
+/** Non-NULL if we log to a file. */
static FILE *logfile;
+/** The read end of the signal pipe */
static int signal_pipe;
-
/** Process id of current rsync process. */
static pid_t rsync_pid;
/** Whether the rsync process is currently stopped */
static pid_t pre_create_hook_pid;
/** The pid of the post-create hook. */
static pid_t post_create_hook_pid;
-/* Creation time of the snapshot currently being created. */
+/** Creation time of the snapshot currently being created. */
static int64_t current_snapshot_creation_time;
-
+/** Needed by the post-create hook. */
static char *path_to_last_complete_snapshot;
-
+/** \sa \ref snap.h for details. */
static unsigned snapshot_creation_status;
#undef COMMAND
#undef COMMANDS
+/**
+ * The log function of dss.
+ *
+ * \param ll Loglevel.
+ * \param fml Usual format string.
+ *
+ * All DSS_XXX_LOG() macros use this function.
+ */
__printf_2_3 void dss_log(int ll, const char* fmt,...)
{
va_list argp;
if (conf.min_free_percent_arg)
if (ds.percent_free < conf.min_free_percent_arg)
return 1;
+ if (conf.min_free_percent_inodes_arg)
+ if (ds.percent_free_inodes < conf.min_free_percent_inodes_arg)
+ return 1;
return 0;
}
exit(EXIT_FAILURE);
}
-
static int check_config(void)
{
if (conf.unit_interval_arg <= 0) {
.override = override,
.initialize = 0,
.check_required = 1,
- .check_ambiguity = 0
+ .check_ambiguity = 0,
+ .print_errors = 1
};
cmdline_parser_config_file(config_file, &conf, ¶ms);
}
}
DSS_EMERG_LOG("loglevel: %d\n", conf.loglevel_arg);
// cmdline_parser_dump(logfile? logfile : stdout, &conf);
- ret = dss_chdir(conf.dest_dir_arg);
out:
free(config_file);
if (ret >= 0)
exit(EXIT_FAILURE);
}
+static void change_to_dest_dir(void)
+{
+ int ret;
+
+ DSS_INFO_LOG("changing cwd to %s\n", conf.dest_dir_arg);
+ ret = dss_chdir(conf.dest_dir_arg);
+ if (ret >= 0)
+ return;
+ DSS_EMERG_LOG("%s\n", dss_strerror(-ret));
+ exit(EXIT_FAILURE);
+}
+
static void handle_sighup(void)
{
DSS_NOTICE_LOG("SIGHUP\n");
parse_config_file(1);
+ change_to_dest_dir();
}
static void handle_signal(void)
exit(EXIT_FAILURE);
}
-
+/**
+ * The main function of dss.
+ *
+ * \param argc Usual argument count.
+ * \param argv Usual argument vector.
+ */
int main(int argc, char **argv)
{
int ret;
.override = 0,
.initialize = 1,
.check_required = 0,
- .check_ambiguity = 0
+ .check_ambiguity = 0,
+ .print_errors = 1
};
cmdline_parser_ext(argc, argv, &conf, ¶ms); /* aborts on errors */
if (conf.daemon_given)
daemon_init();
+ change_to_dest_dir();
setup_signal_handling();
ret = call_command_handler();
if (ret < 0)