[PATCH 25/35] monitor: read existing connections on startup

[mwilck at suse.com]

From: Martin Wilck <mwilck at suse.com>

Add discovery_ctrl_existed flag to the connection, to determine
whether a given (discovery) controller should be shut down on exit.

Signed-off-by: Martin Wilck <mwilck at suse.com>
---
 conn-db.c | 1 +
 conn-db.h | 1 +
 monitor.c | 2 ++
 3 files changed, 4 insertions(+)

diff --git a/conn-db.c b/conn-db.c
index 99d88da..07e4dde 100644
--- a/conn-db.c
+++ b/conn-db.c
@@ -301,6 +301,7 @@ int conndb_init_from_sysfs(void)
 
 			if (instance >= 0) {
 				ci->c.discovery_instance = instance;
+				ci->c.discovery_ctrl_existed = 1;
 				log(LOG_DEBUG, "found discovery controller %s\n",
 				    devices[i]->d_name);
 			}
diff --git a/conn-db.h b/conn-db.h
index c599c15..11c3502 100644
--- a/conn-db.h
+++ b/conn-db.h
@@ -11,6 +11,7 @@ struct nvme_connection {
 	int discovery_pending:1;
 	int did_discovery:1;
 	int successful_discovery:1;
+	int discovery_ctrl_existed:1;
 	union {
 		pid_t discovery_task;
 		int discovery_result;
diff --git a/monitor.c b/monitor.c
index ce772f3..5bd900b 100644
--- a/monitor.c
+++ b/monitor.c
@@ -603,9 +603,11 @@ int aen_monitor(const char *desc, int argc, char **argv)
 	}
 	ret = create_udev_monitor(&monitor);
 	if (ret == 0) {
+		conndb_init_from_sysfs();
 		ret = monitor_main_loop(monitor);
 		udev_monitor_unref(monitor);
 	}
+	conndb_free();
 	udev = udev_unref(udev);
 	if (mon_cfg.autoconnect && !mon_cfg.skip_udev_on_exit)
 		monitor_enable_udev_rules();
-- 
2.29.2