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timesync wip

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This commit is contained in:
Mateusz Piątkowski 2022-12-05 21:50:30 +01:00
parent 5eae7b3019
commit 14cddb8051
3 changed files with 29 additions and 20 deletions
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4
server/src/handlers.go
View File

@ -38,7 +38,3 @@ func helloHandler(w http.ResponseWriter, r *http.Request) {
fmt.Fprintf(w, "Hello!")
}
func scanHandler(w http.ResponseWriter, r *http.Request) {
}

19
server/src/server.go → server/src/main.go
View File

@ -6,6 +6,7 @@ import (
"log"
"net"
"os"
"time"
)
func scanError(scanResult []string, conn net.Conn) {
@ -58,24 +59,36 @@ func main() {
scanError(scanResult, conn)
for _, host := range scanResult {
conn.Write([]byte(host + "\n"))
fmt.Println("CONNECTED")
}
conn.Write([]byte("> "))
continue
}
if resp == "showtime" {
cTime := showTime()
conn.Write([]byte(cTime.String() + "\n"))
}
if resp == "timesync" {
time.Sleep(1 * time.Second)
conn.Write([]byte("Server time: " + time.Now().String() + "\n"))
scanError(scanResult, conn)
for _, host := range scanResult {
if host == "" {
fmt.Print("No host")
}
fmt.Println(host)
//conn.Write([]byte(host + "\n"))
_, err := net.Dial("tcp", host)
conn.Write([]byte("Waiting for time from " + host + "\n"))
outconn, err := net.Dial("tcp", host)
if err != nil {
fmt.Println(err)
os.Exit(1)
}
defer outconn.Close()
recvBuf := make([]byte, 1024)
outconn.Write([]byte("showtime"))
outconn.Read(recvBuf)
conn.Write(recvBuf)
}
}
if resp == "quit" {

26
server/src/scaner.go
View File

@ -17,20 +17,20 @@ func scan() []string {
ipv4 = ipv4.To4()
ipv4 = ipv4.Mask(ipv4.DefaultMask())
ipv4[3]++
for i := 1; i < 256; i++ {
_, dialErr := net.DialTimeout("tcp", ipv4.String()+":8081", time.Duration(1)*time.Second)
// _, dialErr := net.DialTimeout("tcp", "192.168.0.100:8081", time.Duration(1)*time.Second)
if dialErr != nil {
fmt.Println("Cannot connect to " + ipv4.String())
// fmt.Println("Cannot connect to " + "192.168.0.100:8081")
} else {
fmt.Println("Response from " + ipv4.String())
// fmt.Println("Response from " + "192.168.0.100:8081")
information = append(information, ipv4.String())
// information = append(information, "192.168.0.100:8081")
}
ipv4[3]++
// for i := 1; i < 2; i++ {
// _, dialErr := net.DialTimeout("tcp", ipv4.String()+":8081", time.Duration(1)*time.Second)
_, dialErr := net.DialTimeout("tcp", "192.168.0.100:8081", time.Duration(1)*time.Second)
if dialErr != nil {
// fmt.Println("Cannot connect to " + ipv4.String())
fmt.Println("Cannot connect to " + "192.168.0.100:8081")
} else {
// fmt.Println("Response from " + ipv4.String())
fmt.Println("Response from " + "192.168.0.100:8081")
// information = append(information, ipv4.String())
information = append(information, "192.168.0.100:8081")
}
ipv4[3]++
// }
}
}
}