mirror of
https://github.com/fluencelabs/aquavm
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41 lines
1.4 KiB
Rust
41 lines
1.4 KiB
Rust
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/*
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* Copyright 2022 Fluence Labs Limited
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*
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* Licensed under the Apache License, Version 2.0 (the "License");
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* you may not use this file except in compliance with the License.
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* You may obtain a copy of the License at
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*
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* http://www.apache.org/licenses/LICENSE-2.0
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*
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* Unless required by applicable law or agreed to in writing, software
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* distributed under the License is distributed on an "AS IS" BASIS,
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* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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* See the License for the specific language governing permissions and
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* limitations under the License.
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*/
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use std::time::Duration;
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// unfortunately, external crates don't seem to provide required functionality:
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// some do not handle floats, others do not handle suffixes
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pub(crate) fn parse_tracing_duration(input: &str) -> Result<Duration, anyhow::Error> {
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for (suffix, scale) in [("ns", 1e-9), ("µs", 1e-6), ("ms", 1e-3), ("s", 1e0)] {
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if let Some(num_str) = input.strip_suffix(suffix) {
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if let Ok(num) = num_str.parse::<f64>() {
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return Ok(Duration::from_secs_f64(num * scale));
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} else {
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break;
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}
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}
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}
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return Err(anyhow::anyhow!("malformed duration {:?}", input));
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}
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pub(crate) fn unix_timestamp_now() -> u64 {
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use std::time::SystemTime;
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SystemTime::now()
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.duration_since(SystemTime::UNIX_EPOCH)
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.expect("time befor Unix epoch")
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.as_secs()
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}
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