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@ -1,4 +1,5 @@
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//! Contains type and functions related to Garage configuration file
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use std::convert::TryFrom;
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use std::io::Read;
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use std::net::SocketAddr;
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use std::path::PathBuf;
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@ -16,7 +17,10 @@ pub struct Config {
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pub data_dir: PathBuf,
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/// Size of data blocks to save to disk
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#[serde(default = "default_block_size")]
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#[serde(
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deserialize_with = "deserialize_capacity",
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default = "default_block_size"
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)]
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pub block_size: usize,
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/// Replication mode. Supported values:
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@ -66,15 +70,18 @@ pub struct Config {
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pub db_engine: String,
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/// Sled cache size, in bytes
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#[serde(default = "default_sled_cache_capacity")]
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pub sled_cache_capacity: u64,
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#[serde(
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deserialize_with = "deserialize_capacity",
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default = "default_sled_cache_capacity"
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)]
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pub sled_cache_capacity: usize,
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/// Sled flush interval in milliseconds
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#[serde(default = "default_sled_flush_every_ms")]
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pub sled_flush_every_ms: u64,
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/// LMDB map size
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#[serde(default)]
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pub lmdb_map_size: Option<String>,
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#[serde(deserialize_with = "deserialize_capacity", default)]
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pub lmdb_map_size: usize,
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// -- APIs
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/// Configuration for S3 api
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@ -190,7 +197,7 @@ fn default_db_engine() -> String {
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"sled".into()
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}
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fn default_sled_cache_capacity() -> u64 {
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fn default_sled_cache_capacity() -> usize {
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128 * 1024 * 1024
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}
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fn default_sled_flush_every_ms() -> u64 {
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@ -270,8 +277,6 @@ fn deserialize_compression<'de, D>(deserializer: D) -> Result<Option<i32>, D::Er
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where
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D: de::Deserializer<'de>,
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{
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use std::convert::TryFrom;
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struct OptionVisitor;
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impl<'de> serde::de::Visitor<'de> for OptionVisitor {
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@ -316,6 +321,50 @@ where
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deserializer.deserialize_any(OptionVisitor)
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}
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fn deserialize_capacity<'de, D>(deserializer: D) -> Result<usize, D::Error>
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where
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D: de::Deserializer<'de>,
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{
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struct CapacityVisitor;
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impl<'de> serde::de::Visitor<'de> for CapacityVisitor {
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type Value = usize;
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fn expecting(&self, formatter: &mut std::fmt::Formatter) -> std::fmt::Result {
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formatter.write_str("int or '<capacity>'")
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}
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fn visit_str<E>(self, value: &str) -> Result<Self::Value, E>
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where
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E: de::Error,
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{
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value
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.parse::<bytesize::ByteSize>()
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.map(|x| x.as_u64())
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.map_err(|e| E::custom(format!("invalid capacity value: {}", e)))
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.and_then(|v| {
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usize::try_from(v)
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.map_err(|_| E::custom("capacity value out of bound".to_owned()))
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})
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}
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fn visit_i64<E>(self, v: i64) -> Result<Self::Value, E>
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where
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E: de::Error,
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{
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usize::try_from(v).map_err(|_| E::custom("capacity value out of bound".to_owned()))
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}
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fn visit_u64<E>(self, v: u64) -> Result<Self::Value, E>
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where
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E: de::Error,
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{
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usize::try_from(v).map_err(|_| E::custom("capacity value out of bound".to_owned()))
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}
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}
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deserializer.deserialize_any(CapacityVisitor)
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}
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#[cfg(test)]
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mod tests {
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use crate::error::Error;
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