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Diffstat (limited to '')
-rw-r--r-- | wsrep-lib/src/view.cpp | 71 |
1 files changed, 71 insertions, 0 deletions
diff --git a/wsrep-lib/src/view.cpp b/wsrep-lib/src/view.cpp new file mode 100644 index 00000000..d5bff099 --- /dev/null +++ b/wsrep-lib/src/view.cpp @@ -0,0 +1,71 @@ +/* + * 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"; + } +} |