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kratos/pkg/net/http/blademaster/recovery.go

32 lines
717 B

package blademaster
import (
"fmt"
"net/http/httputil"
"os"
"runtime"
"github.com/bilibili/kratos/pkg/log"
)
// Recovery returns a middleware that recovers from any panics and writes a 500 if there was one.
func Recovery() HandlerFunc {
return func(c *Context) {
defer func() {
var rawReq []byte
if err := recover(); err != nil {
const size = 64 << 10
buf := make([]byte, size)
buf = buf[:runtime.Stack(buf, false)]
if c.Request != nil {
rawReq, _ = httputil.DumpRequest(c.Request, false)
}
pl := fmt.Sprintf("http call panic: %s\n%v\n%s\n", string(rawReq), err, buf)
fmt.Fprintf(os.Stderr, pl)
log.Error(pl)
c.AbortWithStatus(500)
}
}()
c.Next()
}
}