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

daemon/UPnP.cpp

@@ -81,10 +81,10 @@ namespace transport
 	void UPnP::Discover ()
 	{
 		bool isError;
-        int err;
+		int err;
 
 #if ((MINIUPNPC_API_VERSION >= 8) || defined (UPNPDISCOVER_SUCCESS))
-        err = UPNPDISCOVER_SUCCESS;
+		err = UPNPDISCOVER_SUCCESS;
 
 #if (MINIUPNPC_API_VERSION >= 14)
 		m_Devlist = upnpDiscover (UPNP_RESPONSE_TIMEOUT, NULL, NULL, 0, 0, 2, &err);
@@ -94,8 +94,8 @@ namespace transport
 
 		isError = err != UPNPDISCOVER_SUCCESS;
 #else  // MINIUPNPC_API_VERSION >= 8
-        err = 0;
+		err = 0;
-        m_Devlist = upnpDiscover (UPNP_RESPONSE_TIMEOUT, NULL, NULL, 0);
+		m_Devlist = upnpDiscover (UPNP_RESPONSE_TIMEOUT, NULL, NULL, 0);
 		isError = m_Devlist == NULL;
 #endif // MINIUPNPC_API_VERSION >= 8
 		{
@@ -106,15 +106,15 @@ namespace transport
 
 		if (isError)
 		{
-            LogPrint (eLogError, "UPnP: unable to discover Internet Gateway Devices: error ", err);
+			LogPrint (eLogError, "UPnP: unable to discover Internet Gateway Devices: error ", err);
 			return;
 		}
 
 		err = UPNP_GetValidIGD (m_Devlist, &m_upnpUrls, &m_upnpData, m_NetworkAddr, sizeof (m_NetworkAddr));
-        m_upnpUrlsInitialized=err!=0;
+		m_upnpUrlsInitialized=err!=0;
 		if (err == UPNP_IGD_VALID_CONNECTED)
 		{
-            err = UPNP_GetExternalIPAddress (m_upnpUrls.controlURL, m_upnpData.first.servicetype, m_externalIPAddress);
+			err = UPNP_GetExternalIPAddress (m_upnpUrls.controlURL, m_upnpData.first.servicetype, m_externalIPAddress);
 			if(err != UPNPCOMMAND_SUCCESS)
 			{
 				LogPrint (eLogError, "UPnP: unable to get external address: error ", err);
@@ -125,14 +125,14 @@ namespace transport
 				LogPrint (eLogError, "UPnP: found Internet Gateway Device ", m_upnpUrls.controlURL);
 				if (!m_externalIPAddress[0])
 				{
-                    LogPrint (eLogError, "UPnP: found Internet Gateway Device doesn't know our external address");
+					LogPrint (eLogError, "UPnP: found Internet Gateway Device doesn't know our external address");
 					return;
 				}
 			}
 		}
 		else
 		{
-            LogPrint (eLogError, "UPnP: unable to find valid Internet Gateway Device: error ", err);
+			LogPrint (eLogError, "UPnP: unable to find valid Internet Gateway Device: error ", err);
 			return;
 		}
 
@@ -183,7 +183,7 @@ namespace transport
 		err = CheckMapping (strPort.c_str (), strType.c_str ());
 		if (err != UPNPCOMMAND_SUCCESS) // if mapping not found
 		{
-            LogPrint (eLogDebug, "UPnP: possibly port ", strPort, " is not forwarded: return code ", err);
+			LogPrint (eLogDebug, "UPnP: possibly port ", strPort, " is not forwarded: return code ", err);
 
 #if ((MINIUPNPC_API_VERSION >= 8) || defined (UPNPDISCOVER_SUCCESS))
 			err = UPNP_AddPortMapping (m_upnpUrls.controlURL, m_upnpData.first.servicetype, strPort.c_str (), strPort.c_str (), m_NetworkAddr, strDesc.c_str (), strType.c_str (), NULL, NULL);
@@ -203,7 +203,7 @@ namespace transport
 		}
 		else
 		{
-            LogPrint (eLogDebug, "UPnP: external forward from ", m_NetworkAddr, ":", strPort, " exists on current Internet Gateway Device");
+			LogPrint (eLogDebug, "UPnP: external forward from ", m_NetworkAddr, ":", strPort, " exists on current Internet Gateway Device");
 			return;
 		}
 	}
@@ -220,14 +220,14 @@ namespace transport
 
 	void UPnP::CloseMapping (std::shared_ptr<i2p::data::RouterInfo::Address> address)
 	{
-        if(!m_upnpUrlsInitialized) {
+		if(!m_upnpUrlsInitialized) {
-            return;
+			return;
-        }
+		}
 		std::string strType (GetProto (address)), strPort (std::to_string (address->port));
 		int err = UPNPCOMMAND_SUCCESS;
 		
 		err = CheckMapping (strPort.c_str (), strType.c_str ());
-        if (err == UPNPCOMMAND_SUCCESS)
+		if (err == UPNPCOMMAND_SUCCESS)
 		{
 			err = UPNP_DeletePortMapping (m_upnpUrls.controlURL, m_upnpData.first.servicetype, strPort.c_str (), strType.c_str (), NULL);
 			LogPrint (eLogError, "UPnP: DeletePortMapping() returned : ", err);
@@ -238,11 +238,11 @@ namespace transport
 	{
 		freeUPNPDevlist (m_Devlist);
 		m_Devlist = 0;
-        if(m_upnpUrlsInitialized){
+		if(m_upnpUrlsInitialized){
-            FreeUPNPUrls (&m_upnpUrls);
+			FreeUPNPUrls (&m_upnpUrls);
-            m_upnpUrlsInitialized=false;
+			m_upnpUrlsInitialized=false;
-        }
+		}
-    }
+	}
 
 	std::string UPnP::GetProto (std::shared_ptr<i2p::data::RouterInfo::Address> address)
 	{