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update pipe commit output to handling huge output

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This commit is contained in:
gusaul 2020-11-02 20:02:07 +07:00
parent 30fef12ac9
commit 8aa67b6529
1 changed files with 10 additions and 9 deletions
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19
core/resource.go
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@ -204,6 +204,15 @@ func (r *Resource) Invoke(ctx context.Context, symbol string, in io.Reader) (str
} }
os.Stdout = w os.Stdout = w
// copy the output in a separate goroutine so printing can't block indefinitely
outC := make(chan string, 1)
var buf bytes.Buffer
go func() {
io.Copy(&buf, f)
outC <- buf.String()
f.Close()
}()
rf, formatter, err := grpcurl.RequestParserAndFormatterFor(grpcurl.Format("json"), r.descSource, false, true, in) rf, formatter, err := grpcurl.RequestParserAndFormatterFor(grpcurl.Format("json"), r.descSource, false, true, in)
if err != nil { if err != nil {
return "", 0, err return "", 0, err
@ -213,6 +222,7 @@ func (r *Resource) Invoke(ctx context.Context, symbol string, in io.Reader) (str
start := time.Now() start := time.Now()
err = grpcurl.InvokeRPC(ctx, r.descSource, r.clientConn, symbol, r.headers, h, rf.Next) err = grpcurl.InvokeRPC(ctx, r.descSource, r.clientConn, symbol, r.headers, h, rf.Next)
end := time.Now().Sub(start) / time.Millisecond end := time.Now().Sub(start) / time.Millisecond
w.Close()
if err != nil { if err != nil {
return "", end, err return "", end, err
} }
@ -221,15 +231,6 @@ func (r *Resource) Invoke(ctx context.Context, symbol string, in io.Reader) (str
return "", end, fmt.Errorf(h.Status.Message()) return "", end, fmt.Errorf(h.Status.Message())
} }
// copy the output in a separate goroutine so printing can't block indefinitely
outC := make(chan string)
go func() {
var buf bytes.Buffer
io.Copy(&buf, f)
outC <- buf.String()
}()
w.Close()
out := <-outC out := <-outC
return out, end, nil return out, end, nil