move I2P launcher to own file

starti2p.go

@@ -0,0 +1,52 @@
+package main
+
+import (
+	"log"
+
+	i2cpcheck "github.com/eyedeekay/checki2cp"
+	"github.com/eyedeekay/go-I2P-jpackage"
+	tbget "i2pgit.org/idk/i2p.plugins.tor-manager/get"
+)
+
+func StartI2P(directory string) error {
+	if tbget.TestHTTPDefaultProxy() {
+		log.Println("I2P HTTP proxy OK")
+	} else {
+		log.Println("I2P HTTP proxy not OK")
+		run, err := i2cpcheck.ConditionallyLaunchI2P()
+		if err != nil {
+			log.Println("Couldn't launch I2P", err)
+		}
+		if run {
+			if tbget.TestHTTPDefaultProxy() {
+				log.Println("I2P HTTP proxy OK after launching I2P")
+			} else {
+				go proxy()
+				if !tbget.TestHTTPBackupProxy() {
+					log.Println("Please set the I2P HTTP proxy on localhost:4444", err)
+					return err
+				}
+			}
+		} else {
+			I2Pdaemon, err := I2P.NewDaemon(directory, false)
+			if err != nil {
+				log.Println(err)
+				return err
+			}
+			if err = I2Pdaemon.Start(); err != nil {
+				log.Println(err)
+				return err
+			}
+			shutdown = true
+			defer I2Pdaemon.Stop()
+			go runSysTray(true)
+			if tbget.TestHTTPDefaultProxy() {
+				log.Println("I2P HTTP proxy OK")
+			} else {
+				log.Println(err)
+				return err
+			}
+		}
+	}
+	return nil
+}