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-rw-r--r--wsrep-lib/src/key.cpp65
1 files changed, 65 insertions, 0 deletions
diff --git a/wsrep-lib/src/key.cpp b/wsrep-lib/src/key.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/key.hpp"
+#include <ostream>
+#include <iomanip>
+
+namespace
+{
+ void print_key_part(std::ostream& os, const void* ptr, size_t len)
+ {
+ std::ios::fmtflags flags_save(os.flags());
+ os << len << ": ";
+ for (size_t i(0); i < len; ++i)
+ {
+ os << std::hex
+ << std::setfill('0')
+ << std::setw(2)
+ << static_cast<int>(
+ *(reinterpret_cast<const unsigned char*>(ptr) + i)) << " ";
+ }
+ os.flags(flags_save);
+ }
+}
+
+std::ostream& wsrep::operator<<(std::ostream& os,
+ enum wsrep::key::type key_type)
+{
+ switch (key_type)
+ {
+ case wsrep::key::shared: os << "shared"; break;
+ case wsrep::key::reference: os << "reference"; break;
+ case wsrep::key::update: os << "update"; break;
+ case wsrep::key::exclusive: os << "exclusive"; break;
+ default: os << "unknown"; break;
+ }
+ return os;
+}
+
+std::ostream& wsrep::operator<<(std::ostream& os, const wsrep::key& key)
+{
+ os << "type: " << key.type();
+ for (size_t i(0); i < key.size(); ++i)
+ {
+ os << "\n ";
+ print_key_part(os, key.key_parts()[i].data(), key.key_parts()[i].size());
+ }
+ return os;
+}