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37 lines
1.4 KiB
Go
37 lines
1.4 KiB
Go
package context
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import (
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"reflect"
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"runtime"
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)
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// A Handler responds to an HTTP request.
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// It writes reply headers and data to the Context.ResponseWriter() and then return.
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// Returning signals that the request is finished;
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// it is not valid to use the Context after or concurrently with the completion of the Handler call.
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//
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// Depending on the HTTP client software, HTTP protocol version,
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// and any intermediaries between the client and the iris server,
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// it may not be possible to read from the Context.Request().Body after writing to the context.ResponseWriter().
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// Cautious handlers should read the Context.Request().Body first, and then reply.
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//
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// Except for reading the body, handlers should not modify the provided Context.
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//
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// If Handler panics, the server (the caller of Handler) assumes that the effect of the panic was isolated to the active request.
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// It recovers the panic, logs a stack trace to the server error log, and hangs up the connection.
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type Handler func(Context)
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// Handlers is just a type of slice of []Handler.
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//
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// See `Handler` for more.
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type Handlers []Handler
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// HandlerName returns the name, the handler function informations.
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// Same as `context.HandlerName`.
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func HandlerName(h Handler) string {
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pc := reflect.ValueOf(h).Pointer()
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// l, n := runtime.FuncForPC(pc).FileLine(pc)
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// return fmt.Sprintf("%s:%d", l, n)
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return runtime.FuncForPC(pc).Name()
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}
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