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63 lines
1.5 KiB
C++
63 lines
1.5 KiB
C++
//
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// Copyright (C) 2018 Codership Oy <info@codership.com>
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//
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#include "wsrep/id.hpp"
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#include <wsrep_api.h>
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#include <cctype>
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#include <sstream>
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#include <algorithm>
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wsrep::id::id(const std::string& str)
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: data_()
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{
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wsrep_uuid_t wsrep_uuid;
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if (wsrep_uuid_scan(str.c_str(), str.size(), &wsrep_uuid) ==
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WSREP_UUID_STR_LEN)
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{
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std::memcpy(data_, wsrep_uuid.data, sizeof(data_));
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}
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else if (str.size() <= 16)
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{
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std::memcpy(data_, str.c_str(), str.size());
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}
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else
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{
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std::ostringstream os;
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os << "String '" << str
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<< "' does not contain UUID or is longer thatn 16 bytes";
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throw wsrep::runtime_error(os.str());
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}
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}
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std::ostream& wsrep::operator<<(std::ostream& os, const wsrep::id& id)
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{
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const char* ptr(static_cast<const char*>(id.data()));
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ssize_t size(id.size());
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if (std::count_if(ptr, ptr + size, ::isalnum) == size)
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{
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return (os << std::string(ptr, size));
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}
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else
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{
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char uuid_str[WSREP_UUID_STR_LEN + 1];
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wsrep_uuid_t uuid;
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std::memcpy(uuid.data, ptr, sizeof(uuid.data));
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if (wsrep_uuid_print(&uuid, uuid_str, sizeof(uuid_str)) < 0)
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{
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throw wsrep::runtime_error("Could not print uuid");
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}
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uuid_str[WSREP_UUID_STR_LEN] = '\0';
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return (os << uuid_str);
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}
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}
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std::istream& wsrep::operator>>(std::istream& is, wsrep::id& id)
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{
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std::string id_str;
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std::getline(is, id_str);
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id = wsrep::id(id_str);
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return is;
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}
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