Adding upstream version 1:2.3.19.1+dfsg1.upstream/1%2.3.19.1+dfsg1upstream

Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>

1 files changed, 179 insertions, 0 deletions

diff --git a/src/dict/main.c b/src/dict/main.c
new file mode 100644
index 0000000..14b1cea
--- /dev/null
+++ b/src/dict/main.c
@@ -0,0 +1,179 @@
+/* Copyright (c) 2005-2018 Dovecot authors, see the included COPYING file */
+
+#include "lib.h"
+#include "restrict-access.h"
+#include "ioloop.h"
+#include "randgen.h"
+#include "str.h"
+#include "stats-dist.h"
+#include "process-title.h"
+#include "env-util.h"
+#include "module-dir.h"
+#include "master-service.h"
+#include "master-service-settings.h"
+#include "sql-api.h"
+#include "dict.h"
+#include "dict-client.h"
+#include "dict-commands.h"
+#include "dict-connection.h"
+#include "dict-settings.h"
+#include "dict-init-cache.h"
+#include "main.h"
+
+#include <math.h>
+
+static struct module *modules;
+static struct timeout *to_proctitle;
+static bool proctitle_updated;
+static struct ioloop *main_ioloop;
+
+static void
+add_stats_string(string_t *str, struct stats_dist *stats, const char *name)
+{
+	uint64_t min, max, p95;
+	double avg;
+
+	min = stats_dist_get_min(stats);
+	avg = stats_dist_get_avg(stats);
+	p95 = stats_dist_get_95th(stats);
+	max = stats_dist_get_max(stats);
+
+	str_printfa(str, ", %u %s:%llu/%lld/%llu/%llu",
+		    stats_dist_get_count(stats), name,
+		    (unsigned long long)min/1000, llrint(avg/1000),
+		    (unsigned long long)p95/1000,
+		    (unsigned long long)max/1000);
+	stats_dist_reset(stats);
+}
+
+static void dict_proctitle_update(void *context ATTR_UNUSED)
+{
+	string_t *str = t_str_new(128);
+
+	if (!proctitle_updated)
+		timeout_remove(&to_proctitle);
+
+	str_printfa(str, "[%u clients", dict_connections_current_count());
+
+	add_stats_string(str, cmd_stats.lookups, "lookups");
+	add_stats_string(str, cmd_stats.iterations, "iters");
+	add_stats_string(str, cmd_stats.commits, "commits");
+	str_append_c(str, ']');
+
+	process_title_set(str_c(str));
+	proctitle_updated = FALSE;
+}
+
+void dict_proctitle_update_later(void)
+{
+	if (!dict_settings->verbose_proctitle)
+		return;
+
+	if (to_proctitle == NULL)
+		to_proctitle = timeout_add_to(main_ioloop, 1000, dict_proctitle_update, NULL);
+	proctitle_updated = TRUE;
+}
+
+static void dict_die(void)
+{
+	/* hope that other processes relying on us will die first. */
+}
+
+static void client_connected(struct master_service_connection *conn)
+{
+	master_service_client_connection_accept(conn);
+	(void)dict_connection_create(conn);
+}
+
+static void main_preinit(void)
+{
+	/* Load built-in SQL drivers (if any) */
+	sql_drivers_init();
+	sql_drivers_register_all();
+#ifdef HAVE_CDB
+	dict_driver_register(&dict_driver_cdb);
+#endif
+
+	restrict_access_by_env(RESTRICT_ACCESS_FLAG_ALLOW_ROOT, NULL);
+	restrict_access_allow_coredumps(TRUE);
+}
+
+static void main_init(void)
+{
+	struct module_dir_load_settings mod_set;
+	void **sets;
+
+	sets = master_service_settings_get_others(master_service);
+	dict_settings = sets[0];
+
+	if (*dict_settings->dict_db_config != '\0') {
+		/* for berkeley db library */
+		env_put("DB_CONFIG", dict_settings->dict_db_config);
+	}
+
+	i_zero(&mod_set);
+	mod_set.abi_version = DOVECOT_ABI_VERSION;
+	mod_set.require_init_funcs = TRUE;
+
+	modules = module_dir_load(DICT_MODULE_DIR, NULL, &mod_set);
+	module_dir_init(modules);
+
+	/* Register only after loading modules. They may contain SQL drivers,
+	   which we'll need to register. */
+	dict_drivers_register_all();
+	dict_commands_init();
+	dict_connections_init();
+
+	if (dict_settings->verbose_proctitle)
+		dict_proctitle_update(NULL);
+}
+
+static void main_deinit(void)
+{
+	/* wait for all dict operations to finish */
+	dict_init_cache_wait_all();
+	/* connections should no longer have any extra refcounts */
+	dict_connections_destroy_all();
+	dict_init_cache_destroy_all();
+
+	dict_drivers_unregister_all();
+	dict_commands_deinit();
+
+	module_dir_unload(&modules);
+
+	sql_drivers_deinit();
+	timeout_remove(&to_proctitle);
+}
+
+int main(int argc, char *argv[])
+{
+	const enum master_service_flags service_flags = 0;
+	const struct setting_parser_info *set_roots[] = {
+		&dict_setting_parser_info,
+		NULL
+	};
+	const char *error;
+
+	master_service = master_service_init("dict", service_flags,
+					     &argc, &argv, "");
+	if (master_getopt(master_service) > 0)
+		return FATAL_DEFAULT;
+
+	if (master_service_settings_read_simple(master_service, set_roots,
+						&error) < 0)
+		i_fatal("Error reading configuration: %s", error);
+
+	master_service_init_log_with_pid(master_service);
+	main_preinit();
+	master_service_set_die_callback(master_service, dict_die);
+
+	main_ioloop = current_ioloop;
+	main_init();
+	master_service_init_finish(master_service);
+	master_service_run(master_service, client_connected);
+
+	/* clean up cached dicts */
+	main_deinit();
+	master_service_deinit(&master_service);
+        return 0;
+}