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author | GitLab Bot <gitlab-bot@gitlab.com> | 2020-12-17 11:59:07 +0000 |
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committer | GitLab Bot <gitlab-bot@gitlab.com> | 2020-12-17 11:59:07 +0000 |
commit | 8b573c94895dc0ac0e1d9d59cf3e8745e8b539ca (patch) | |
tree | 544930fb309b30317ae9797a9683768705d664c4 /workhorse/internal/helper/context_reader.go | |
parent | 4b1de649d0168371549608993deac953eb692019 (diff) | |
download | gitlab-ce-8b573c94895dc0ac0e1d9d59cf3e8745e8b539ca.tar.gz |
Add latest changes from gitlab-org/gitlab@13-7-stable-eev13.7.0-rc42
Diffstat (limited to 'workhorse/internal/helper/context_reader.go')
-rw-r--r-- | workhorse/internal/helper/context_reader.go | 40 |
1 files changed, 40 insertions, 0 deletions
diff --git a/workhorse/internal/helper/context_reader.go b/workhorse/internal/helper/context_reader.go new file mode 100644 index 00000000000..a4764043147 --- /dev/null +++ b/workhorse/internal/helper/context_reader.go @@ -0,0 +1,40 @@ +package helper + +import ( + "context" + "io" +) + +type ContextReader struct { + ctx context.Context + underlyingReader io.Reader +} + +func NewContextReader(ctx context.Context, underlyingReader io.Reader) *ContextReader { + return &ContextReader{ + ctx: ctx, + underlyingReader: underlyingReader, + } +} + +func (r *ContextReader) Read(b []byte) (int, error) { + if r.canceled() { + return 0, r.err() + } + + n, err := r.underlyingReader.Read(b) + + if r.canceled() { + err = r.err() + } + + return n, err +} + +func (r *ContextReader) canceled() bool { + return r.err() != nil +} + +func (r *ContextReader) err() error { + return r.ctx.Err() +} |