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-rw-r--r--wsrep-lib/src/view.cpp71
1 files changed, 71 insertions, 0 deletions
diff --git a/wsrep-lib/src/view.cpp b/wsrep-lib/src/view.cpp
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+++ b/wsrep-lib/src/view.cpp
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+/*
+ * Copyright (C) 2018 Codership Oy <info@codership.com>
+ *
+ * This file is part of wsrep-lib.
+ *
+ * Wsrep-lib is free software: you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation, either version 2 of the License, or
+ * (at your option) any later version.
+ *
+ * Wsrep-lib is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with wsrep-lib. If not, see <https://www.gnu.org/licenses/>.
+ */
+
+#include "wsrep/view.hpp"
+#include "wsrep/provider.hpp"
+
+int wsrep::view::member_index(const wsrep::id& member_id) const
+{
+ for (std::vector<member>::const_iterator i(members_.begin());
+ i != members_.end(); ++i)
+ {
+ if (i->id() == member_id)
+ {
+ return static_cast<int>(i - members_.begin());
+ }
+ }
+ return -1;
+}
+
+bool wsrep::view::equal_membership(const wsrep::view& other) const
+{
+ if (members_.size() != other.members_.size())
+ {
+ return false;
+ }
+ // we can't assume members ordering
+ for (std::vector<member>::const_iterator i(members_.begin());
+ i != members_.end(); ++i)
+ {
+ if (other.member_index(i->id()) == -1)
+ {
+ return false;
+ }
+ }
+ return true;
+}
+
+void wsrep::view::print(std::ostream& os) const
+{
+ os << " id: " << state_id() << "\n"
+ << " status: " << to_c_string(status()) << "\n"
+ << " protocol_version: " << protocol_version() << "\n"
+ << " capabilities: " << provider::capability::str(capabilities())<<"\n"
+ << " final: " << (final() ? "yes" : "no") << "\n"
+ << " own_index: " << own_index() << "\n"
+ << " members(" << members().size() << "):\n";
+
+ for (std::vector<wsrep::view::member>::const_iterator i(members().begin());
+ i != members().end(); ++i)
+ {
+ os << "\t" << (i - members().begin()) /* ordinal index */
+ << ": " << i->id()
+ << ", " << i->name() << "\n";
+ }
+}