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Diffstat (limited to 'src/mongo/bson/timestamp.cpp')
-rw-r--r-- | src/mongo/bson/timestamp.cpp | 74 |
1 files changed, 74 insertions, 0 deletions
diff --git a/src/mongo/bson/timestamp.cpp b/src/mongo/bson/timestamp.cpp new file mode 100644 index 00000000000..cfd43fe8fe2 --- /dev/null +++ b/src/mongo/bson/timestamp.cpp @@ -0,0 +1,74 @@ +/* Copyright 2009 10gen Inc. + * + * This program is free software: you can redistribute it and/or modify + * it under the terms of the GNU Affero General Public License, version 3, + * as published by the Free Software Foundation. + * + * This program 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 Affero General Public License for more details. + * + * You should have received a copy of the GNU Affero General Public License + * along with this program. If not, see <http://www.gnu.org/licenses/>. + * + * As a special exception, the copyright holders give permission to link the + * code of portions of this program with the OpenSSL library under certain + * conditions as described in each individual source file and distribute + * linked combinations including the program with the OpenSSL library. You + * must comply with the GNU Affero General Public License in all respects + * for all of the code used other than as permitted herein. If you modify + * file(s) with this exception, you may extend this exception to your + * version of the file(s), but you are not obligated to do so. If you do not + * wish to do so, delete this exception statement from your version. If you + * delete this exception statement from all source files in the program, + * then also delete it in the license file. + */ + +#include "mongo/bson/bsontypes.h" +#include "mongo/bson/timestamp.h" + +#include <ctime> +#include <iostream> +#include <limits> +#include <sstream> + +#include "mongo/platform/cstdint.h" +#include "mongo/util/time_support.h" + +namespace mongo { + + Timestamp Timestamp::max() { + unsigned int t = static_cast<unsigned int>(std::numeric_limits<int32_t>::max()); + unsigned int i = std::numeric_limits<uint32_t>::max(); + return Timestamp(t, i); + } + + void Timestamp::append(BufBuilder& builder, const StringData& fieldName) const { + // No endian conversions needed, since we store in-memory representation + // in little endian format, regardless of target endian. + builder.appendNum( static_cast<char>(bsonTimestamp) ); + builder.appendStr( fieldName ); + builder.appendNum( asULL() ); + } + + std::string Timestamp::toStringLong() const { + std::stringstream ss; + ss << time_t_to_String_short(secs) << ' '; + ss << std::hex << secs << ':' << i; + return ss.str(); + } + + std::string Timestamp::toStringPretty() const { + std::stringstream ss; + ss << time_t_to_String_short(secs) << ':' << std::hex << i; + return ss.str(); + } + + std::string Timestamp::toString() const { + std::stringstream ss; + ss << std::hex << secs << ':' << i; + return ss.str(); + } + +} |