systemd: use SIGTERM instead SIGQUIT, indent UPNP code, make client target

Signed-off-by: R4SAS <r4sas@i2pmail.org>

Makefile

@@ -66,6 +66,7 @@ mk_obj_dir:
 	@mkdir -p obj/$(DAEMON_SRC_DIR)
 
 api: mk_obj_dir $(SHLIB) $(ARLIB)
+client: mk_obj_dir $(SHLIB_CLIENT) $(ARLIB_CLIENT)
 api_client: mk_obj_dir $(SHLIB) $(ARLIB) $(SHLIB_CLIENT) $(ARLIB_CLIENT)
 
 ## NOTE: The NEEDED_CXXFLAGS are here so that CXXFLAGS can be specified at build time
@@ -128,6 +129,7 @@ doxygen:
 .PHONY: last-dist
 .PHONY: api
 .PHONY: api_client
+.PHONY: client
 .PHONY: mk_obj_dir
 .PHONY: install
 .PHONY: strip

contrib/i2pd.service

@@ -17,7 +17,12 @@ PIDFile=/run/i2pd/i2pd.pid
 ### Uncomment, if auto restart needed
 #Restart=on-failure
 
-KillSignal=SIGQUIT
+# Use SIGTERM to stop i2pd immediately.
+# Some cleanup processes can delay stopping, so we set 30 seconds timeout and then SIGKILL i2pd.
+KillSignal=SIGTERM
+TimeoutStopSec=30s
+SendSIGKILL=yes
+
 # If you have the patience waiting 10 min on restarting/stopping it, uncomment this.
 # i2pd stops accepting new tunnels and waits ~10 min while old ones do not die.
 #KillSignal=SIGINT