microcosm.blue
Fast and robust atproto CAR file processing in rust
clean up builder
bad-example.com
+18
-41
+18
-41
src/drive.rs
+18
-41
src/drive.rs
···
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Disk(NeedDisk<R>),
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}
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/// Processor that just returns the raw blocks
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#[inline]
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pub fn noop(block: Bytes) -> Bytes {
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block
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}
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/// Builder-style driver setup
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#[derive(Debug, Clone)]
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pub struct DriverBuilder {
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pub mem_limit_mb: usize,
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pub block_processor: fn(Bytes) -> Bytes,
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}
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impl Default for DriverBuilder {
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fn default() -> Self {
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Self { mem_limit_mb: 16 }
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Self {
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mem_limit_mb: 16,
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block_processor: noop,
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}
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}
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}
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/// Processor that just returns the raw blocks
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#[inline]
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pub fn noop(block: Bytes) -> Bytes {
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block
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}
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impl DriverBuilder {
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/// Begin configuring the driver with defaults
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pub fn new() -> Self {
···
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/// Set the in-memory size limit, in MiB
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///
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/// Default: 16 MiB
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pub fn with_mem_limit_mb(self, new_limit: usize) -> Self {
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Self {
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mem_limit_mb: new_limit,
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}
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pub fn with_mem_limit_mb(mut self, new_limit: usize) -> Self {
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self.mem_limit_mb = new_limit;
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self
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}
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/// Set the block processor
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///
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/// Default: noop, raw blocks will be emitted
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pub fn with_block_processor(
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self,
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block_processor: fn(Bytes) -> Bytes,
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) -> DriverBuilderWithProcessor {
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DriverBuilderWithProcessor {
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mem_limit_mb: self.mem_limit_mb,
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block_processor,
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}
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pub fn with_block_processor(mut self, new_processor: fn(Bytes) -> Bytes) -> DriverBuilder {
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self.block_processor = new_processor;
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self
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}
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/// Begin processing an atproto MST from a CAR file
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pub async fn load_car<R: AsyncRead + Unpin>(&self, reader: R) -> Result<Driver<R>, DriveError> {
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Driver::load_car(reader, noop, self.mem_limit_mb).await
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}
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}
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/// Builder-style driver intermediate step
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///
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/// start from `DriverBuilder`
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#[derive(Debug, Clone)]
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pub struct DriverBuilderWithProcessor {
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pub mem_limit_mb: usize,
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pub block_processor: fn(Bytes) -> Bytes,
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}
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impl DriverBuilderWithProcessor {
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/// Set the in-memory size limit, in MiB
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///
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/// Default: 16 MiB
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pub fn with_mem_limit_mb(mut self, new_limit: usize) -> Self {
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self.mem_limit_mb = new_limit;
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self
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}
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/// Begin processing an atproto MST from a CAR file
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pub async fn load_car<R: AsyncRead + Unpin>(&self, reader: R) -> Result<Driver<R>, DriveError> {
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Driver::load_car(reader, self.block_processor, self.mem_limit_mb).await