Imported Upstream version 2.03.22upstream/libdevmapper-1.02.196upstream/2.03.22upstreamsandbox/klewandowski/upstream_2.03.22

1 files changed, 114 insertions, 0 deletions

diff --git a/tools/lvpoll.c b/tools/lvpoll.c
new file mode 100644
index 0000000..a4a698b
--- /dev/null
+++ b/tools/lvpoll.c
@@ -0,0 +1,114 @@
+/*
+ * Copyright (C) 2014-2015 Red Hat, Inc. All rights reserved.
+ *
+ * This file is part of LVM2.
+ *
+ * This copyrighted material is made available to anyone wishing to use,
+ * modify, copy, or redistribute it subject to the terms and conditions
+ * of the GNU Lesser General Public License v.2.1.
+ *
+ * You should have received a copy of the GNU Lesser General Public License
+ * along with this program; if not, write to the Free Software Foundation,
+ * Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
+ */
+
+#include "tools.h"
+
+#include "lib/lvmpolld/polldaemon.h"
+#include "pvmove_poll.h"
+#include "lvconvert_poll.h"
+#include "daemons/lvmpolld/polling_ops.h"
+
+static struct poll_functions _pvmove_fns = {
+	.poll_progress = poll_mirror_progress,
+	.update_metadata = pvmove_update_metadata,
+	.finish_copy = pvmove_finish
+};
+
+static struct poll_functions _convert_fns = {
+	.poll_progress = poll_mirror_progress,
+	.finish_copy = lvconvert_mirror_finish
+};
+
+static struct poll_functions _merge_fns = {
+	.poll_progress = poll_merge_progress,
+	.finish_copy = lvconvert_merge_finish
+};
+
+static struct poll_functions _thin_merge_fns = {
+	.poll_progress = poll_thin_merge_progress,
+	.finish_copy = lvconvert_merge_finish
+};
+
+static int _set_daemon_parms(struct cmd_context *cmd, struct daemon_parms *parms)
+{
+	const char *poll_oper = arg_str_value(cmd, polloperation_ARG, "");
+
+	parms->interval = arg_uint_value(cmd, interval_ARG, 0);
+	parms->aborting = arg_is_set(cmd, abort_ARG);
+	parms->progress_display = 1;
+	parms->wait_before_testing = (arg_sign_value(cmd, interval_ARG, SIGN_NONE) == SIGN_PLUS);
+
+	if (!strcmp(poll_oper, PVMOVE_POLL)) {
+		parms->progress_title = "Moved";
+		parms->lv_type = PVMOVE;
+		parms->poll_fns = &_pvmove_fns;
+	} else if (!strcmp(poll_oper, CONVERT_POLL)) {
+		parms->progress_title = "Converted";
+		parms->poll_fns = &_convert_fns;
+	} else if (!strcmp(poll_oper, MERGE_POLL)) {
+		parms->progress_title = "Merged";
+		parms->poll_fns = &_merge_fns;
+	} else if (!strcmp(poll_oper, MERGE_THIN_POLL)) {
+		parms->progress_title = "Merged";
+		parms->poll_fns = &_thin_merge_fns;
+	} else {
+		log_error("Unknown polling operation %s", poll_oper);
+		return 0;
+	}
+
+	cmd->handles_missing_pvs = arg_is_set(cmd, handlemissingpvs_ARG);
+
+	return 1;
+}
+
+static int _poll_lv(struct cmd_context *cmd, const char *lv_name)
+{
+	struct daemon_parms parms = { 0 };
+	struct poll_operation_id id = {
+		.display_name = skip_dev_dir(cmd, lv_name, NULL)
+	};
+
+	if (!id.display_name)
+		return_EINVALID_CMD_LINE;
+
+	id.lv_name = id.display_name;
+
+	if (!validate_lvname_param(cmd, &id.vg_name, &id.lv_name))
+		return_EINVALID_CMD_LINE;
+
+	if (!_set_daemon_parms(cmd, &parms))
+		return_EINVALID_CMD_LINE;
+
+	return wait_for_single_lv(cmd, &id, &parms) ? ECMD_PROCESSED : ECMD_FAILED;
+}
+
+int lvpoll(struct cmd_context *cmd, int argc, char **argv)
+{
+	if (!arg_is_set(cmd, polloperation_ARG)) {
+		log_error("--polloperation parameter is mandatory");
+		return EINVALID_CMD_LINE;
+	}
+
+	if (arg_sign_value(cmd, interval_ARG, SIGN_NONE) == SIGN_MINUS) {
+		log_error("Argument to --interval cannot be negative");
+		return EINVALID_CMD_LINE;
+	}
+
+	if (!argc) {
+		log_error("Provide LV name");
+		return EINVALID_CMD_LINE;
+	}
+
+	return _poll_lv(cmd, argv[0]);
+}