check client vpn end of loop cycle

unzoner/Dockerfile.template

@@ -73,8 +73,10 @@ RUN if [ "$BUILD_OPENSSL" = '1' ]; then \
 
 # https://stackoverflow.com/a/39006247/1559300
 RUN if [ "$BUILD_OPENVPN" = '1' ]; then \
-    set -x; wget --retry-on-host-error --retry-connrefused --waitretry=2 -q \
+    set -x; (wget --retry-on-host-error --retry-connrefused --waitretry=2 -q \
     https://swupdate.openvpn.org/community/releases/openvpn-$BUILD_OPENVPN_VERSION.tar.gz \
+    || curl --fail --retry 3 https://swupdate.openvpn.org/community/releases/openvpn-$BUILD_OPENVPN_VERSION.tar.gz \
+    -o openvpn-$BUILD_OPENVPN_VERSION.tar.gz) \
     && tar -xvf openvpn-$BUILD_OPENVPN_VERSION.tar.gz && cd openvpn-$BUILD_OPENVPN_VERSION \
     && if [ "$BUILD_OPENSSL" = '1' ]; then CFLAGS='-I/usr/local/ssl/include -Wl,-rpath=/usr/local/ssl/lib -Wl,-rpath=/usr/local/ssl/lib64 -L/usr/local/ssl/lib -L/usr/local/ssl/lib64' ./configure; else ./configure; fi \
     && make -j $(nproc) && make check && make install \

unzoner/src/main.py

@@ -189,7 +189,7 @@ def main():
 						with s_stderrq[idx].mutex:
 							s_stderrq[idx].queue.clear()
 
-				if i % LOOP_CYCLE == 0:
+				if i % LOOP_CYCLE == 0: # at the end of the cycle
 					if DEVICE_TYPE == 3 and connected: # test if double-vpn is up
 						try:
 							shell_check_output_cmd('ip link | grep {}'.format(TUN_IFACE))
@@ -416,7 +416,7 @@ def main():
 							if DEBUG: print_exc()
 
 				if connected and not connecting:
-					if i % LOOP_CYCLE == 0:
+					if i % LOOP_CYCLE == 0: # at the end of the cycle
 						# run speedtest
 						try:
 							if not c_stimer and dequeue_speedtest():
@@ -455,7 +455,8 @@ def main():
 								c_iotl
 							))
 
-					if i % POLL_FREQ == 0: # every x cycles per loop
+				if i % LOOP_CYCLE == 0: # at the end of the cycle
+				    if not connected and connecting: # if client-vpn still connecting, kill and restart
 						try:
 							shell_check_output_cmd('ip link | grep {}'.format(TUN_IFACE))
 							geo_result = get_geo_location()
@@ -469,7 +470,6 @@ def main():
 							c_proc.terminate()
 							c_pid = None
 
-				if i % LOOP_CYCLE == 0:
 					try:
 						log_client_stats(status=connected, country=c_country)
 					except: