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package commit
import (
"github.com/golang/protobuf/proto"
"github.com/prometheus/client_golang/prometheus"
"github.com/prometheus/client_golang/prometheus/promauto"
"gitlab.com/gitlab-org/gitaly/internal/git"
"gitlab.com/gitlab-org/gitaly/internal/git/catfile"
gitlog "gitlab.com/gitlab-org/gitaly/internal/git/log"
"gitlab.com/gitlab-org/gitaly/internal/helper/chunk"
"gitlab.com/gitlab-org/gitaly/proto/go/gitalypb"
)
var (
listCommitsbyOidHistogram = promauto.NewHistogram(
prometheus.HistogramOpts{
Name: "gitaly_list_commits_by_oid_request_size",
Help: "Number of commits requested in a ListCommitsByOid request",
// We want to count the pathological case where the request is empty. I
// am not sure if with floats, Observe(0) would go into bucket 0. Use
// bucket 0.001 because 0 <= 0.001 for sure.
Buckets: []float64{0.001, 1, 5, 10, 20},
})
)
func (s *server) ListCommitsByOid(in *gitalypb.ListCommitsByOidRequest, stream gitalypb.CommitService_ListCommitsByOidServer) error {
ctx := stream.Context()
c, err := catfile.New(ctx, s.gitCmdFactory, in.Repository)
if err != nil {
return err
}
sender := chunk.New(&commitsByOidSender{stream: stream})
listCommitsbyOidHistogram.Observe(float64(len(in.Oid)))
for _, oid := range in.Oid {
commit, err := gitlog.GetCommitCatfile(ctx, c, git.Revision(oid))
if catfile.IsNotFound(err) {
continue
}
if err != nil {
return err
}
if err := sender.Send(commit); err != nil {
return err
}
}
return sender.Flush()
}
type commitsByOidSender struct {
response *gitalypb.ListCommitsByOidResponse
stream gitalypb.CommitService_ListCommitsByOidServer
}
func (c *commitsByOidSender) Append(m proto.Message) {
c.response.Commits = append(c.response.Commits, m.(*gitalypb.GitCommit))
}
func (c *commitsByOidSender) Send() error { return c.stream.Send(c.response) }
func (c *commitsByOidSender) Reset() { c.response = &gitalypb.ListCommitsByOidResponse{} }
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