26 lines
636 B
Go
26 lines
636 B
Go
package tracing
|
|
|
|
import "net/http"
|
|
|
|
// HTTPHeadersCarrier custom implementation to fix duplicated headers
|
|
// It has been fixed in https://github.com/opentracing/opentracing-go/pull/191
|
|
type HTTPHeadersCarrier http.Header
|
|
|
|
// Set conforms to the TextMapWriter interface.
|
|
func (c HTTPHeadersCarrier) Set(key, val string) {
|
|
h := http.Header(c)
|
|
h.Set(key, val)
|
|
}
|
|
|
|
// ForeachKey conforms to the TextMapReader interface.
|
|
func (c HTTPHeadersCarrier) ForeachKey(handler func(key, val string) error) error {
|
|
for k, vals := range c {
|
|
for _, v := range vals {
|
|
if err := handler(k, v); err != nil {
|
|
return err
|
|
}
|
|
}
|
|
}
|
|
return nil
|
|
}
|