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gh-276 req/resp check for connect liveness check #10

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merged 1 commit into from
May 15, 2023
Merged

gh-276 req/resp check for connect liveness check #10

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22 changes: 21 additions & 1 deletion serviceprobe.go
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Original file line number Diff line number Diff line change
Expand Up @@ -4,6 +4,7 @@
package loxilib

import (
"bytes"
"github.com/loxilb-io/sctp"
"net"
"net/http"
Expand All @@ -26,8 +27,10 @@ func HTTPProber(urls string) bool {
// sType is "tcp" or "udp" or "sctp"
// sName is end-point IP address in string format
// sHint is source address hint if any
// req is the request to be made to server (empty for none)
// resp is the response expected from server (empty for none)
// returns true/false depending on whether probing was successful
func L4ServiceProber(sType string, sName string, sHint string) bool {
func L4ServiceProber(sType string, sName string, sHint, req, resp string) bool {
sOk := false
timeout := 1 * time.Second

Expand Down Expand Up @@ -93,5 +96,22 @@ func L4ServiceProber(sType string, sName string, sHint string) bool {
defer c.Close()
}

if req != "" && resp != "" {
c.SetDeadline(time.Now().Add(2 * time.Second))
_, err = c.Write([]byte(req))
if err != nil {
return false
}
aRb := []byte(resp)
rRb := []byte(resp)
_, err = c.Read(aRb)
if err != nil {
return false
}
if !bytes.Equal(aRb, rRb) {
return false
}
}

return sOk
}