65 lines
1.3 KiB
Go
65 lines
1.3 KiB
Go
package pprof
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import (
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"net"
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"strconv"
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"github.com/coredns/caddy"
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"github.com/coredns/coredns/plugin"
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clog "github.com/coredns/coredns/plugin/pkg/log"
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)
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var log = clog.NewWithPlugin("pprof")
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const defaultAddr = "localhost:6053"
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func init() { plugin.Register("pprof", setup) }
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func setup(c *caddy.Controller) error {
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h := &handler{addr: defaultAddr}
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i := 0
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for c.Next() {
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if i > 0 {
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return plugin.Error("pprof", plugin.ErrOnce)
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}
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i++
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args := c.RemainingArgs()
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if len(args) == 1 {
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h.addr = args[0]
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_, _, e := net.SplitHostPort(h.addr)
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if e != nil {
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return plugin.Error("pprof", c.Errf("%v", e))
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}
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}
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if len(args) > 1 {
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return plugin.Error("pprof", c.ArgErr())
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}
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for c.NextBlock() {
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switch c.Val() {
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case "block":
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args := c.RemainingArgs()
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if len(args) > 1 {
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return plugin.Error("pprof", c.ArgErr())
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}
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h.rateBloc = 1
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if len(args) > 0 {
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t, err := strconv.Atoi(args[0])
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if err != nil {
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return plugin.Error("pprof", c.Errf("property '%s' invalid integer value '%v'", "block", args[0]))
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}
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h.rateBloc = t
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}
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default:
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return plugin.Error("pprof", c.Errf("unknown property '%s'", c.Val()))
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}
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}
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}
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c.OnStartup(h.Startup)
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c.OnShutdown(h.Shutdown)
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return nil
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}
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