mirror of https://github.com/docker/cli.git
89 lines
2.1 KiB
Go
89 lines
2.1 KiB
Go
package check
|
|
|
|
import (
|
|
"fmt"
|
|
"io"
|
|
"sync"
|
|
)
|
|
|
|
// -----------------------------------------------------------------------
|
|
// Output writer manages atomic output writing according to settings.
|
|
|
|
type outputWriter struct {
|
|
m sync.Mutex
|
|
writer io.Writer
|
|
wroteCallProblemLast bool
|
|
Stream bool
|
|
Verbose bool
|
|
}
|
|
|
|
func newOutputWriter(writer io.Writer, stream, verbose bool) *outputWriter {
|
|
return &outputWriter{writer: writer, Stream: stream, Verbose: verbose}
|
|
}
|
|
|
|
func (ow *outputWriter) Write(content []byte) (n int, err error) {
|
|
ow.m.Lock()
|
|
n, err = ow.writer.Write(content)
|
|
ow.m.Unlock()
|
|
return
|
|
}
|
|
|
|
func (ow *outputWriter) WriteCallStarted(label string, c *C) {
|
|
if ow.Stream {
|
|
header := renderCallHeader(label, c, "", "\n")
|
|
ow.m.Lock()
|
|
ow.writer.Write([]byte(header))
|
|
ow.m.Unlock()
|
|
}
|
|
}
|
|
|
|
func (ow *outputWriter) WriteCallProblem(label string, c *C) {
|
|
var prefix string
|
|
if !ow.Stream {
|
|
prefix = "\n-----------------------------------" +
|
|
"-----------------------------------\n"
|
|
}
|
|
header := renderCallHeader(label, c, prefix, "\n\n")
|
|
ow.m.Lock()
|
|
ow.wroteCallProblemLast = true
|
|
ow.writer.Write([]byte(header))
|
|
if !ow.Stream {
|
|
c.logb.WriteTo(ow.writer)
|
|
}
|
|
ow.m.Unlock()
|
|
}
|
|
|
|
func (ow *outputWriter) WriteCallSuccess(label string, c *C) {
|
|
if ow.Stream || (ow.Verbose && c.kind == testKd) {
|
|
// TODO Use a buffer here.
|
|
var suffix string
|
|
if c.reason != "" {
|
|
suffix = " (" + c.reason + ")"
|
|
}
|
|
if c.status() == succeededSt {
|
|
suffix += "\t" + c.timerString()
|
|
}
|
|
suffix += "\n"
|
|
if ow.Stream {
|
|
suffix += "\n"
|
|
}
|
|
header := renderCallHeader(label, c, "", suffix)
|
|
ow.m.Lock()
|
|
// Resist temptation of using line as prefix above due to race.
|
|
if !ow.Stream && ow.wroteCallProblemLast {
|
|
header = "\n-----------------------------------" +
|
|
"-----------------------------------\n" +
|
|
header
|
|
}
|
|
ow.wroteCallProblemLast = false
|
|
ow.writer.Write([]byte(header))
|
|
ow.m.Unlock()
|
|
}
|
|
}
|
|
|
|
func renderCallHeader(label string, c *C, prefix, suffix string) string {
|
|
pc := c.method.PC()
|
|
return fmt.Sprintf("%s%s: %s: %s%s", prefix, label, niceFuncPath(pc),
|
|
niceFuncName(pc), suffix)
|
|
}
|