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Duck Handler - Use Resolver

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This commit is contained in:
Eri Bastos 2020-04-19 15:31:49 -04:00
parent 9397f6b272
commit 57ecf1f7bb
1 changed files with 15 additions and 14 deletions
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29
handler/duck/duck_handler.go
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@ -35,8 +35,6 @@ func (handler *Handler) DomainLoop(domain *godns.Domain, panicChan chan<- godns.
} }
}() }()
var lastIP string
for { for {
currentIP, err := godns.GetCurrentIP(handler.Configuration) currentIP, err := godns.GetCurrentIP(handler.Configuration)
@ -47,20 +45,23 @@ func (handler *Handler) DomainLoop(domain *godns.Domain, panicChan chan<- godns.
log.Println("currentIP is:", currentIP) log.Println("currentIP is:", currentIP)
//check against locally cached IP, if no change, skip update //check against locally cached IP, if no change, skip update
if currentIP == lastIP {
log.Printf("IP is the same as cached one. Skip update.\n")
} else {
lastIP = currentIP
client := godns.GetHttpClient(handler.Configuration)
var ip string
if strings.ToUpper(handler.Configuration.IPType) == godns.IPV4 { client := godns.GetHttpClient(handler.Configuration)
ip = fmt.Sprintf("ip=%s", currentIP) var ip string
} else if strings.ToUpper(handler.Configuration.IPType) == godns.IPV6 {
ip = fmt.Sprintf("ipv6=%s", currentIP)
}
for _, subDomain := range domain.SubDomains { if strings.ToUpper(handler.Configuration.IPType) == godns.IPV4 {
ip = fmt.Sprintf("ip=%s", currentIP)
} else if strings.ToUpper(handler.Configuration.IPType) == godns.IPV6 {
ip = fmt.Sprintf("ipv6=%s", currentIP)
}
for _, subDomain := range domain.SubDomains {
hostname := subDomain + "." + domain.DomainName
lastIP := godns.ResolveDNS(hostname, handler.Configuration.Resolver)
//check against currently known IP, if no change, skip update
if currentIP == lastIP {
log.Printf("IP is the same as cached one. Skip update.\n")
} else {
// update IP with HTTP GET request // update IP with HTTP GET request
resp, err := client.Get(fmt.Sprintf(DuckUrl, subDomain, handler.Configuration.LoginToken, ip)) resp, err := client.Get(fmt.Sprintf(DuckUrl, subDomain, handler.Configuration.LoginToken, ip))
if err != nil { if err != nil {