52 lines
1.2 KiB
Go
52 lines
1.2 KiB
Go
package graphite
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import (
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"bufio"
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"fmt"
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"io"
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"strconv"
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"strings"
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)
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type GraphiteMetric struct {
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name string
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isInt bool
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integerValue int64
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floatValue float64
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timestamp int64
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}
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// returns err == io.EOF when we hit EOF without any further data
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func (self *GraphiteMetric) Read(reader *bufio.Reader) error {
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buf, err := reader.ReadBytes('\n')
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str := strings.TrimSpace(string(buf))
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if err != nil {
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if err != io.EOF {
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return fmt.Errorf("connection closed uncleanly/broken: %s\n", err.Error())
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}
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if str == "" {
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return err
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}
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// else we got EOF but also data, so just try to process it as valid data
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}
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elements := strings.Fields(str)
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if len(elements) != 3 {
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return fmt.Errorf("Received '%s' which doesn't have three fields", str)
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}
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self.name = elements[0]
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self.floatValue, err = strconv.ParseFloat(elements[1], 64)
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if err != nil {
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return err
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}
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if i := int64(self.floatValue); float64(i) == self.floatValue {
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self.isInt = true
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self.integerValue = int64(self.floatValue)
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}
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timestamp, err := strconv.ParseUint(elements[2], 10, 32)
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if err != nil {
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return err
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}
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self.timestamp = int64(timestamp * 1000000)
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return nil
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}
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