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use std::f32::consts::E;
use crate::chroma_proto;
use crate::chroma_proto::{
GetVectorsRequest, GetVectorsResponse, QueryVectorsRequest, QueryVectorsResponse,
};
use crate::config::{Configurable, WorkerConfig};
use crate::errors::ChromaError;
use crate::segment::SegmentManager;
use crate::types::ScalarEncoding;
use async_trait::async_trait;
use kube::core::request;
use tonic::{transport::Server, Request, Response, Status};
use uuid::Uuid;
pub struct WorkerServer {
segment_manager: Option<SegmentManager>,
port: u16,
}
#[async_trait]
impl Configurable for WorkerServer {
async fn try_from_config(config: &WorkerConfig) -> Result<Self, Box<dyn ChromaError>> {
Ok(WorkerServer {
segment_manager: None,
port: config.my_port,
})
}
}
impl WorkerServer {
pub(crate) async fn run(worker: WorkerServer) -> Result<(), Box<dyn std::error::Error>> {
let addr = format!("[::]:{}", worker.port).parse().unwrap();
println!("Worker listening on {}", addr);
let server = Server::builder()
.add_service(chroma_proto::vector_reader_server::VectorReaderServer::new(
worker,
))
.serve(addr)
.await?;
println!("Worker shutting down");
Ok(())
}
pub(crate) fn set_segment_manager(&mut self, segment_manager: SegmentManager) {
self.segment_manager = Some(segment_manager);
}
}
#[tonic::async_trait]
impl chroma_proto::vector_reader_server::VectorReader for WorkerServer {
async fn get_vectors(
&self,
request: Request<GetVectorsRequest>,
) -> Result<Response<GetVectorsResponse>, Status> {
let request = request.into_inner();
let segment_uuid = match Uuid::parse_str(&request.segment_id) {
Ok(uuid) => uuid,
Err(_) => {
return Err(Status::invalid_argument("Invalid UUID"));
}
};
let segment_manager = match self.segment_manager {
Some(ref segment_manager) => segment_manager,
None => {
return Err(Status::internal("No segment manager found"));
}
};
let records = match segment_manager
.get_records(&segment_uuid, request.ids)
.await
{
Ok(records) => records,
Err(e) => {
return Err(Status::internal(format!("Error getting records: {}", e)));
}
};
let mut proto_records = Vec::new();
for record in records {
let sed_id_bytes = record.seq_id.to_bytes_le();
let dim = record.vector.len();
let proto_vector = (record.vector, ScalarEncoding::FLOAT32, dim).try_into();
match proto_vector {
Ok(proto_vector) => {
let proto_record = chroma_proto::VectorEmbeddingRecord {
id: record.id,
seq_id: sed_id_bytes.1,
vector: Some(proto_vector),
};
proto_records.push(proto_record);
}
Err(e) => {
return Err(Status::internal(format!("Error converting vector: {}", e)));
}
}
}
let resp = chroma_proto::GetVectorsResponse {
records: proto_records,
};
Ok(Response::new(resp))
}
async fn query_vectors(
&self,
request: Request<QueryVectorsRequest>,
) -> Result<Response<QueryVectorsResponse>, Status> {
let request = request.into_inner();
let segment_uuid = match Uuid::parse_str(&request.segment_id) {
Ok(uuid) => uuid,
Err(_) => {
return Err(Status::invalid_argument("Invalid Segment UUID"));
}
};
let segment_manager = match self.segment_manager {
Some(ref segment_manager) => segment_manager,
None => {
return Err(Status::internal("No segment manager found"));
}
};
let mut proto_results_for_all = Vec::new();
for proto_query_vector in request.vectors {
let (query_vector, encoding) = match proto_query_vector.try_into() {
Ok((vector, encoding)) => (vector, encoding),
Err(e) => {
return Err(Status::internal(format!("Error converting vector: {}", e)));
}
};
let results = match segment_manager
.query_vector(
&segment_uuid,
&query_vector,
request.k as usize,
request.include_embeddings,
)
.await
{
Ok(results) => results,
Err(e) => {
return Err(Status::internal(format!("Error querying segment: {}", e)));
}
};
let mut proto_results = Vec::new();
for query_result in results {
let proto_result = chroma_proto::VectorQueryResult {
id: query_result.id,
seq_id: query_result.seq_id.to_bytes_le().1,
distance: query_result.distance,
vector: match query_result.vector {
Some(vector) => {
match (vector, ScalarEncoding::FLOAT32, query_vector.len()).try_into() {
Ok(proto_vector) => Some(proto_vector),
Err(e) => {
return Err(Status::internal(format!(
"Error converting vector: {}",
e
)));
}
}
}
None => None,
},
};
proto_results.push(proto_result);
}
let vector_query_results = chroma_proto::VectorQueryResults {
results: proto_results,
};
proto_results_for_all.push(vector_query_results);
}
let resp = chroma_proto::QueryVectorsResponse {
results: proto_results_for_all,
};
return Ok(Response::new(resp));
}
}
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