|
|
@@ -0,0 +1,94 @@
|
|
|
+package main
|
|
|
+
|
|
|
+import (
|
|
|
+ "fmt"
|
|
|
+ "log"
|
|
|
+ "net"
|
|
|
+ "os"
|
|
|
+ "strconv"
|
|
|
+ "strings"
|
|
|
+)
|
|
|
+
|
|
|
+func main() {
|
|
|
+ const BrotherPort int = 54921
|
|
|
+ BrotherIP := os.Args[1]
|
|
|
+ resolution := os.Args[2]
|
|
|
+ color := os.Args[3]
|
|
|
+
|
|
|
+ if net.ParseIP(BrotherIP) == nil {
|
|
|
+ fmt.Fprintf(os.Stderr, "Invalid IP address. Usage: %s <scanner ip>", os.Args[0])
|
|
|
+ os.Exit(0)
|
|
|
+ }
|
|
|
+
|
|
|
+ log.Println("Valid IP address, opening socket...")
|
|
|
+
|
|
|
+ conn, err := net.Dial("tcp", fmt.Sprintf("%s:%d", BrotherIP, BrotherPort))
|
|
|
+ handleError(err)
|
|
|
+
|
|
|
+ sendRequest(conn, resolution, color)
|
|
|
+
|
|
|
+ defer conn.Close()
|
|
|
+}
|
|
|
+
|
|
|
+func sendRequest(conn net.Conn, _resolution string, _mode string) {
|
|
|
+
|
|
|
+ reply := make([]byte, 128)
|
|
|
+
|
|
|
+ resolution := checkResolution(_resolution)
|
|
|
+ mode, compression := checkMode(_mode)
|
|
|
+
|
|
|
+ log.Println("Reading scanner status...")
|
|
|
+
|
|
|
+ _, err := conn.Read(reply)
|
|
|
+ handleError(err)
|
|
|
+
|
|
|
+ if "+OK 200" != string(reply[:7]) {
|
|
|
+ handleError(fmt.Errorf("Invalid reply from scanner: %s", reply))
|
|
|
+ }
|
|
|
+
|
|
|
+ log.Println("Leasing options...")
|
|
|
+
|
|
|
+ resp := []byte(fmt.Sprintf("\x1bI\nR=%d,%d\nM=%s\n\x80", resolution, resolution, mode))
|
|
|
+ _, err = conn.Write(resp)
|
|
|
+ handleError(err)
|
|
|
+
|
|
|
+ _, err = conn.Read(reply)
|
|
|
+ handleError(err)
|
|
|
+
|
|
|
+ response := strings.Split(string(reply), ",")
|
|
|
+
|
|
|
+ log.Println("Sending scan request...")
|
|
|
+
|
|
|
+ scanRequestFormat := "\x1bX\nR=%v,%v\nM=%s\nC=%s\nJ=MID\nB=50\nN=50\nA=0,0,%v,%v\n\x80"
|
|
|
+
|
|
|
+ resp = []byte(fmt.Sprintf(scanRequestFormat, response[1], response[1], mode, compression, response[5], response[6]))
|
|
|
+ _, err = conn.Write(resp)
|
|
|
+ handleError(err)
|
|
|
+}
|
|
|
+
|
|
|
+func checkResolution(_resolution string) int {
|
|
|
+ resolution, err := strconv.Atoi(_resolution)
|
|
|
+
|
|
|
+ if err != nil && resolution < 100 {
|
|
|
+ resolution = 300
|
|
|
+ }
|
|
|
+
|
|
|
+ return resolution
|
|
|
+}
|
|
|
+
|
|
|
+func checkMode(_mode string) (string, string) {
|
|
|
+
|
|
|
+ if _mode == "GRAY64" {
|
|
|
+ return _mode, "NONE"
|
|
|
+ } else {
|
|
|
+ return "CGRAY", "JPEG"
|
|
|
+ }
|
|
|
+}
|
|
|
+
|
|
|
+func handleError(err error) {
|
|
|
+
|
|
|
+ if err != nil {
|
|
|
+ log.Fatal(err)
|
|
|
+ os.Exit(1)
|
|
|
+ }
|
|
|
+}
|
v0lp3