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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/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;
}
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