eupn
1195071f5b
* Replace logging backend to flexi-logger and add log rotation * Changed flexi_logger to log4rs * Disable logging level filtering in Root logger * Support different logging levels for file and stdout * Don't log messages from modules other than Grin-related * Fix formatting * Place backed up compressed log copies into log file directory * Increase default log file size to 16 MiB * Add comment to config file on log_max_size option
79 lines
2.0 KiB
Rust
79 lines
2.0 KiB
Rust
// Copyright 2018 The Grin Developers
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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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//! Storage of core types using RocksDB.
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#![deny(non_upper_case_globals)]
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#![deny(non_camel_case_types)]
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#![deny(non_snake_case)]
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#![deny(unused_mut)]
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#![warn(missing_docs)]
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extern crate byteorder;
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extern crate croaring;
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extern crate env_logger;
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extern crate libc;
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extern crate lmdb_zero;
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extern crate memmap;
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extern crate serde;
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#[macro_use]
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extern crate log;
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extern crate failure;
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#[macro_use]
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extern crate failure_derive;
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#[macro_use]
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extern crate grin_core as core;
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extern crate grin_util as util;
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pub mod leaf_set;
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mod lmdb;
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pub mod pmmr;
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pub mod prune_list;
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pub mod rm_log;
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pub mod types;
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const SEP: u8 = ':' as u8;
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use byteorder::{BigEndian, WriteBytesExt};
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pub use lmdb::*;
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/// Build a db key from a prefix and a byte vector identifier.
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pub fn to_key(prefix: u8, k: &mut Vec<u8>) -> Vec<u8> {
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let mut res = Vec::with_capacity(k.len() + 2);
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res.push(prefix);
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res.push(SEP);
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res.append(k);
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res
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}
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/// Build a db key from a prefix and a byte vector identifier and numeric identifier
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pub fn to_key_u64(prefix: u8, k: &mut Vec<u8>, val: u64) -> Vec<u8> {
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let mut res = vec![];
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res.push(prefix);
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res.push(SEP);
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res.append(k);
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res.write_u64::<BigEndian>(val).unwrap();
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res
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}
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/// Build a db key from a prefix and a numeric identifier.
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pub fn u64_to_key<'a>(prefix: u8, val: u64) -> Vec<u8> {
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let mut u64_vec = vec![];
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u64_vec.write_u64::<BigEndian>(val).unwrap();
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u64_vec.insert(0, SEP);
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u64_vec.insert(0, prefix);
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u64_vec
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}
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