[refactor] reorganize backend in its own module

Signed-off-by: kali kaneko (leap communications) <kali@leap.se>

1 files changed, 52 insertions, 0 deletions

diff --git a/pkg/backend/bitmask.go b/pkg/backend/bitmask.go
new file mode 100644
index 0000000..07d27ea
--- /dev/null
+++ b/pkg/backend/bitmask.go
@@ -0,0 +1,52 @@
+package backend
+
+import (
+	"log"
+	"os"
+
+	"0xacab.org/leap/bitmask-vpn/pkg/bitmask"
+)
+
+func initializeBitmask() {
+	if ctx == nil {
+		log.Println("error: cannot initialize bitmask, ctx is nil")
+		os.Exit(1)
+	}
+	bitmask.InitializeLogger()
+
+	b, err := bitmask.InitializeBitmask()
+	if err != nil {
+		log.Println("error: cannot initialize bitmask")
+	}
+	ctx.bm = b
+}
+
+func startVPN() {
+	err := ctx.bm.StartVPN(ctx.Provider)
+	if err != nil {
+		log.Println(err)
+		os.Exit(1)
+	}
+}
+
+func stopVPN() {
+	err := ctx.bm.StopVPN()
+	if err != nil {
+		log.Println(err)
+	}
+}
+
+// initializeContext initializes an empty connStatus and assigns it to the
+// global ctx holder. This is expected to be called only once, so the public
+// api uses the sync.Once primitive to call this.
+func initializeContext(provider, appName string) {
+	var st status = off
+	ctx = &connectionCtx{
+		AppName:  appName,
+		Provider: provider,
+		Donate:   false,
+		Status:   st,
+	}
+	go trigger(OnStatusChanged)
+	initializeBitmask()
+}