From f588641f09d5e3b774a3597ebbe80b92879dd655 Mon Sep 17 00:00:00 2001
From: jwijenbergh <jeroenwijenbergh@protonmail.com>
Date: Tue, 29 Mar 2022 15:55:45 +0200
Subject: State: Add a deregister method for cleanup

---
 exports/exports.go                       | 6 ++++++
 src/state.go                             | 8 ++++++++
 wrappers/python/eduvpncommon/__init__.py | 1 +
 wrappers/python/eduvpncommon/main.py     | 5 +++++
 4 files changed, 20 insertions(+)

diff --git a/exports/exports.go b/exports/exports.go
index 4e998bf..5a4d7b9 100644
--- a/exports/exports.go
+++ b/exports/exports.go
@@ -39,6 +39,12 @@ func Register(name *C.char, config_directory *C.char, stateCallback C.PythonCB)
 	return C.CString(ErrorToString(registerErr))
 }
 
+//export Deregister
+func Deregister() {
+	state := eduvpn.GetVPNState()
+	state.Deregister()
+}
+
 func ErrorToString(error error) string {
 	if error == nil {
 		return ""
diff --git a/src/state.go b/src/state.go
index c146e61..a48d13d 100644
--- a/src/state.go
+++ b/src/state.go
@@ -36,6 +36,14 @@ func (state *VPNState) Register(name string, directory string, stateCallback fun
 	return nil
 }
 
+func (state *VPNState) Deregister() {
+	// Close the log file
+	state.CloseLog()
+
+	// Re-initialize everything
+	state = &VPNState{}
+}
+
 func (state *VPNState) Connect(url string) (string, error) {
 	if state.Server == nil {
 		state.Server = &Server{}
diff --git a/wrappers/python/eduvpncommon/__init__.py b/wrappers/python/eduvpncommon/__init__.py
index faa311d..4c1872f 100644
--- a/wrappers/python/eduvpncommon/__init__.py
+++ b/wrappers/python/eduvpncommon/__init__.py
@@ -34,6 +34,7 @@ VPNStateChange = CFUNCTYPE(None, c_char_p, c_char_p, c_char_p)
 
 # Exposed functions
 lib.Connect.argtypes, lib.Connect.restype = [c_char_p], DataError
+lib.Deregister.argtypes, lib.Deregister.restype = [], None
 lib.Register.argtypes, lib.Register.restype = [c_char_p, c_char_p, VPNStateChange], None
 lib.GetOrganizationsList.argtypes, lib.GetOrganizationsList.restype = [], DataError
 lib.GetServersList.argtypes, lib.GetServersList.restype = [], DataError
diff --git a/wrappers/python/eduvpncommon/main.py b/wrappers/python/eduvpncommon/main.py
index 9e1f25e..16d7baa 100644
--- a/wrappers/python/eduvpncommon/main.py
+++ b/wrappers/python/eduvpncommon/main.py
@@ -19,6 +19,8 @@ def Register(name, config_directory, state_callback):
     err_string = GetPtrString(ptr_err)
     return err_string
 
+def Deregister():
+    return lib.Deregister()
 
 def GetDiscoServers():
     servers, serversErr = GetDataError(lib.GetServersList())
@@ -52,6 +54,9 @@ class EduVPN(object):
         self.config_directory = config_directory
         register_callback(self)
 
+    def __del__(self):
+        Deregister()
+
     def register(self) -> bool:
         return Register(self.name, self.config_directory, callback_function) == ""
 
-- 
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