zhenyi
9a0c26e5f6
- Add voting mechanism with term tracking and vote persistence - Implement election triggering logic with majority vote counting - Add primary/replica role transition handling with state management - Integrate health check failure detection for automatic elections - Refactor actor messaging system for distributed coordination - Update repository registration to query cluster for existing primary - Add broadcast mechanism for role change notifications - Implement proper term comparison and duplicate request filtering - Upgrade dependency versions including tokio-util for async utilities - Optimize code formatting and line wrapping for improved readability - Remove redundant blank lines and improve code structure consistency - Enhance error logging and trace information for debugging purposes
217 lines
8.8 KiB
Rust
217 lines
8.8 KiB
Rust
use crate::pb::diff_service_client::DiffServiceClient;
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use crate::pb::*;
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use super::{GitksService, cache, into_status, into_stream};
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remote_client!(
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remote_diff_client,
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DiffServiceClient<tonic::transport::Channel>,
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"diff"
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);
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#[tonic::async_trait]
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impl diff_service_server::DiffService for GitksService {
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type GetPatchStream =
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tokio_stream::wrappers::ReceiverStream<Result<GetPatchResponse, tonic::Status>>;
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async fn get_diff(
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&self,
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request: tonic::Request<GetDiffRequest>,
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) -> Result<tonic::Response<GetDiffResponse>, tonic::Status> {
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let m = crate::metrics::RequestMetrics::new("gitks.DiffService/GetDiff");
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let inner = request.into_inner();
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let _rate = self.acquire_rate_limit(inner.repository.as_ref()).await?;
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let repo = self.repo_label(inner.repository.as_ref());
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let span = tracing::info_span!("diff.get_diff", %repo);
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let _enter = span.enter();
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let gb = match self.resolve(inner.repository.as_ref()) {
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Ok(gb) => gb,
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Err(err) if err.code() == tonic::Code::NotFound => {
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if let Some(mut client) =
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remote_diff_client(self, inner.repository.as_ref(), false).await?
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{
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m.record("ok");
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return client.get_diff(inner).await;
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}
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crate::metrics::record_rpc_error(&m, &err);
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return Err(err);
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}
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Err(err) => {
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crate::metrics::record_rpc_error(&m, &err);
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return Err(err);
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}
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};
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let resp = if cache::selectors_are_oid(&inner.base, &inner.head) {
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cache::cached_response("diff.get_diff", &inner, || {
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gb.get_diff(inner.clone()).map_err(into_status)
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})?
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} else {
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gb.get_diff(inner).map_err(into_status)?
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};
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tracing::info!(%repo, files = resp.files.len(), overflow = resp.overflow, "get_diff done");
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m.record("ok");
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Ok(tonic::Response::new(resp))
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}
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async fn get_commit_diff(
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&self,
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request: tonic::Request<GetCommitDiffRequest>,
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) -> Result<tonic::Response<GetDiffResponse>, tonic::Status> {
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let m = crate::metrics::RequestMetrics::new("gitks.DiffService/GetCommitDiff");
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let inner = request.into_inner();
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let _rate = self.acquire_rate_limit(inner.repository.as_ref()).await?;
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let repo = self.repo_label(inner.repository.as_ref());
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let span = tracing::info_span!("diff.get_commit_diff", %repo);
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let _enter = span.enter();
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let gb = match self.resolve(inner.repository.as_ref()) {
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Ok(gb) => gb,
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Err(err) if err.code() == tonic::Code::NotFound => {
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if let Some(mut client) =
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remote_diff_client(self, inner.repository.as_ref(), false).await?
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{
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m.record("ok");
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return client.get_commit_diff(inner).await;
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}
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crate::metrics::record_rpc_error(&m, &err);
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return Err(err);
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}
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Err(err) => {
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crate::metrics::record_rpc_error(&m, &err);
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return Err(err);
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}
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};
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let resp = if cache::selector_is_oid(&inner.commit) {
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cache::cached_response("diff.get_commit_diff", &inner, || {
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gb.get_commit_diff(inner.clone()).map_err(into_status)
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})?
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} else {
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gb.get_commit_diff(inner).map_err(into_status)?
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};
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tracing::info!(%repo, files = resp.files.len(), "get_commit_diff done");
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m.record("ok");
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Ok(tonic::Response::new(resp))
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}
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async fn get_patch(
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&self,
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request: tonic::Request<GetPatchRequest>,
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) -> Result<tonic::Response<Self::GetPatchStream>, tonic::Status> {
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let m = crate::metrics::RequestMetrics::new("gitks.DiffService/GetPatch");
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let inner = request.into_inner();
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let _rate = self.acquire_rate_limit(inner.repository.as_ref()).await?;
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let repo = self.repo_label(inner.repository.as_ref());
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let span = tracing::info_span!("diff.get_patch", %repo);
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let _enter = span.enter();
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let gb = match self.resolve(inner.repository.as_ref()) {
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Ok(gb) => gb,
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Err(err) if err.code() == tonic::Code::NotFound => {
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if let Some(mut client) =
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remote_diff_client(self, inner.repository.as_ref(), false).await?
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{
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m.record("ok");
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let resp = client.get_patch(inner).await?;
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let stream = super::bridge_server_stream(resp.into_inner());
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return Ok(tonic::Response::new(stream));
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}
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crate::metrics::record_rpc_error(&m, &err);
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return Err(err);
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}
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Err(err) => {
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crate::metrics::record_rpc_error(&m, &err);
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return Err(err);
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}
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};
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let items = if cache::selectors_are_oid(&inner.base, &inner.head) {
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cache::cached_vec_response("diff.get_patch", &inner, || {
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gb.get_patch(inner.clone()).map_err(into_status)
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})?
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} else {
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gb.get_patch(inner).map_err(into_status)?
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};
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m.record("ok");
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Ok(tonic::Response::new(into_stream(items)))
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}
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async fn get_diff_stats(
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&self,
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request: tonic::Request<GetDiffStatsRequest>,
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) -> Result<tonic::Response<DiffStats>, tonic::Status> {
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let m = crate::metrics::RequestMetrics::new("gitks.DiffService/GetDiffStats");
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let inner = request.into_inner();
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let _rate = self.acquire_rate_limit(inner.repository.as_ref()).await?;
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let repo = self.repo_label(inner.repository.as_ref());
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let span = tracing::info_span!("diff.get_diff_stats", %repo);
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let _enter = span.enter();
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let gb = match self.resolve(inner.repository.as_ref()) {
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Ok(gb) => gb,
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Err(err) if err.code() == tonic::Code::NotFound => {
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if let Some(mut client) =
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remote_diff_client(self, inner.repository.as_ref(), false).await?
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{
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m.record("ok");
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return client.get_diff_stats(inner).await;
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}
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crate::metrics::record_rpc_error(&m, &err);
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return Err(err);
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}
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Err(err) => {
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crate::metrics::record_rpc_error(&m, &err);
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return Err(err);
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}
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};
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let resp = if cache::selectors_are_oid(&inner.base, &inner.head) {
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cache::cached_response("diff.get_diff_stats", &inner, || {
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gb.get_diff_stats(inner.clone()).map_err(into_status)
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})?
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} else {
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gb.get_diff_stats(inner).map_err(into_status)?
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};
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m.record("ok");
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Ok(tonic::Response::new(resp))
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}
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type RawDiffStream =
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tokio_stream::wrappers::ReceiverStream<Result<RawDiffResponse, tonic::Status>>;
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type RawPatchStream =
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tokio_stream::wrappers::ReceiverStream<Result<RawPatchResponse, tonic::Status>>;
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async fn raw_diff(
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&self,
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request: tonic::Request<RawDiffRequest>,
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) -> Result<tonic::Response<Self::RawDiffStream>, tonic::Status> {
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let m = crate::metrics::RequestMetrics::new("gitks.DiffService/RawDiff");
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let inner = request.into_inner();
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let _rate = self.acquire_rate_limit(inner.repository.as_ref()).await?;
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let gb = self.resolve(inner.repository.as_ref())?;
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let chunks = gb.raw_diff(inner).map_err(into_status)?;
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m.record("ok");
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Ok(tonic::Response::new(into_stream(chunks)))
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}
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async fn raw_patch(
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&self,
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request: tonic::Request<RawPatchRequest>,
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) -> Result<tonic::Response<Self::RawPatchStream>, tonic::Status> {
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let m = crate::metrics::RequestMetrics::new("gitks.DiffService/RawPatch");
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let inner = request.into_inner();
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let _rate = self.acquire_rate_limit(inner.repository.as_ref()).await?;
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let gb = self.resolve(inner.repository.as_ref())?;
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let chunks = gb.raw_patch(inner).map_err(into_status)?;
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m.record("ok");
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Ok(tonic::Response::new(into_stream(chunks)))
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}
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async fn find_changed_paths(
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&self,
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request: tonic::Request<FindChangedPathsRequest>,
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) -> Result<tonic::Response<FindChangedPathsResponse>, tonic::Status> {
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let m = crate::metrics::RequestMetrics::new("gitks.DiffService/FindChangedPaths");
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let inner = request.into_inner();
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let _rate = self.acquire_rate_limit(inner.repository.as_ref()).await?;
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let gb = self.resolve(inner.repository.as_ref())?;
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let resp = gb.find_changed_paths(inner).map_err(into_status)?;
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m.record("ok");
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Ok(tonic::Response::new(resp))
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}
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}
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