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