1 files changed, 81 insertions, 0 deletions
diff --git a/wsrep-lib/src/id.cpp b/wsrep-lib/src/id.cpp
new file mode 100644
index 00000000..2da188fc
--- /dev/null
+++ b/wsrep-lib/src/id.cpp
@@ -0,0 +1,81 @@
+/*
+ * 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/id.hpp"
+#include "uuid.hpp"
+
+#include <cctype>
+#include <sstream>
+#include <algorithm>
+
+const wsrep::id wsrep::id::undefined_ = wsrep::id();
+
+wsrep::id::id(const std::string& str)
+    :  data_()
+{
+    wsrep::uuid_t wsrep_uuid;
+
+    if (str.size() == WSREP_LIB_UUID_STR_LEN &&
+        wsrep::uuid_scan(str.c_str(), str.size(), &wsrep_uuid) ==
+        WSREP_LIB_UUID_STR_LEN)
+    {
+        std::memcpy(data_.buf, wsrep_uuid.data, sizeof(data_.buf));
+    }
+    else if (str.size() <= 16)
+    {
+        std::memcpy(data_.buf, str.c_str(), str.size());
+    }
+    else
+    {
+        std::ostringstream os;
+        os << "String '" << str
+           << "' does not contain UUID or is longer thatn 16 bytes";
+        throw wsrep::runtime_error(os.str());
+    }
+}
+
+std::ostream& wsrep::operator<<(std::ostream& os, const wsrep::id& id)
+{
+    const char* ptr(static_cast<const char*>(id.data()));
+    size_t size(id.size());
+    if (static_cast<size_t>(std::count_if(ptr, ptr + size, ::isalnum)) == size)
+    {
+        return (os << std::string(ptr, size));
+    }
+    else
+    {
+        char uuid_str[WSREP_LIB_UUID_STR_LEN + 1];
+        wsrep::uuid_t uuid;
+        std::memcpy(uuid.data, ptr, sizeof(uuid.data));
+        if (wsrep::uuid_print(&uuid, uuid_str, sizeof(uuid_str)) < 0)
+        {
+            throw wsrep::runtime_error("Could not print uuid");
+        }
+        uuid_str[WSREP_LIB_UUID_STR_LEN] = '\0';
+        return (os << uuid_str);
+    }
+}
+
+std::istream& wsrep::operator>>(std::istream& is, wsrep::id& id)
+{
+    std::string id_str;
+    std::getline(is, id_str);
+    id = wsrep::id(id_str);
+    return is;
+}