4.4 KB · f5e63a2a6e404c0bb7dc1e9d3dc32bb9
// Protocol Buffers - Google's data interchange format// Copyright 2008 Google Inc. All rights reserved.// https://developers.google.com/protocol-buffers///// Redistribution and use in source and binary forms, with or without// modification, are permitted provided that the following conditions are// met://// * Redistributions of source code must retain the above copyright// notice, this list of conditions and the following disclaimer.// * Redistributions in binary form must reproduce the above// copyright notice, this list of conditions and the following disclaimer// in the documentation and/or other materials provided with the// distribution.// * Neither the name of Google Inc. nor the names of its// contributors may be used to endorse or promote products derived from// this software without specific prior written permission.//// THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS// "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT// LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR// A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT// OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,// SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT// LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,// DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY// THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT// (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE// OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.syntax = "proto3";package google.protobuf;option csharp_namespace = "Google.Protobuf.WellKnownTypes";option cc_enable_arenas = true;option go_package = "github.com/golang/protobuf/ptypes/timestamp";option java_package = "com.google.protobuf";option java_outer_classname = "TimestampProto";option java_multiple_files = true;option objc_class_prefix = "GPB";// A Timestamp represents a point in time independent of any time zone// or calendar, represented as seconds and fractions of seconds at// nanosecond resolution in UTC Epoch time. It is encoded using the// Proleptic Gregorian Calendar which extends the Gregorian calendar// backwards to year one. It is encoded assuming all minutes are 60// seconds long, i.e. leap seconds are "smeared" so that no leap second// table is needed for interpretation. Range is from// 0001-01-01T00:00:00Z to 9999-12-31T23:59:59.999999999Z.// By restricting to that range, we ensure that we can convert to// and from RFC 3339 date strings.// See [https://www.ietf.org/rfc/rfc3339.txt](https://www.ietf.org/rfc/rfc3339.txt).//// Example 1: Compute Timestamp from POSIX `time()`.//// Timestamp timestamp;// timestamp.set_seconds(time(NULL));// timestamp.set_nanos(0);//// Example 2: Compute Timestamp from POSIX `gettimeofday()`.//// struct timeval tv;// gettimeofday(&tv, NULL);//// Timestamp timestamp;// timestamp.set_seconds(tv.tv_sec);// timestamp.set_nanos(tv.tv_usec * 1000);//// Example 3: Compute Timestamp from Win32 `GetSystemTimeAsFileTime()`.//// FILETIME ft;// GetSystemTimeAsFileTime(&ft);// UINT64 ticks = (((UINT64)ft.dwHighDateTime) << 32) | ft.dwLowDateTime;//// // A Windows tick is 100 nanoseconds. Windows epoch 1601-01-01T00:00:00Z// // is 11644473600 seconds before Unix epoch 1970-01-01T00:00:00Z.// Timestamp timestamp;// timestamp.set_seconds((INT64) ((ticks / 10000000) - 11644473600LL));// timestamp.set_nanos((INT32) ((ticks % 10000000) * 100));//// Example 4: Compute Timestamp from Java `System.currentTimeMillis()`.//// long millis = System.currentTimeMillis();//// Timestamp timestamp = Timestamp.newBuilder().setSeconds(millis / 1000)// .setNanos((int) ((millis % 1000) * 1000000)).build();////// Example 5: Compute Timestamp from current time in Python.//// timestamp = Timestamp()// timestamp.GetCurrentTime()////message Timestamp { // Represents seconds of UTC time since Unix epoch // 1970-01-01T00:00:00Z. Must be from 0001-01-01T00:00:00Z to // 9999-12-31T23:59:59Z inclusive. int64 seconds = 1; // Non-negative fractions of a second at nanosecond resolution. Negative // second values with fractions must still have non-negative nanos values // that count forward in time. Must be from 0 to 999,999,999 // inclusive. int32 nanos = 2;}