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