Add support for setting ports through command line

src/IniFile.cpp

@@ -931,7 +931,18 @@ AStringVector ReadUpgradeIniPorts(
 )
 {
 	// Read the regular value, but don't use the default (in order to detect missing value for upgrade):
-	AStringVector Ports = StringSplitAndTrim(a_Settings.GetValue(a_KeyName, a_PortsValueName), ";,");
+
+	AStringVector Ports;
+
+	for (auto pair : a_Settings.GetValues(a_KeyName))
+	{
+		if (pair.first != a_PortsValueName)
+		{
+			continue;
+		}
+		AStringVector temp = StringSplitAndTrim(pair.second, ";,");
+		Ports.insert(Ports.end(), temp.begin(), temp.end());
+	}
 
 	if (Ports.empty())
 	{

src/main.cpp

@@ -372,6 +372,8 @@ std::unique_ptr<cMemorySettingsRepository> parseArguments(int argc, char **argv)
 
 		TCLAP::ValueArg<int> slotsArg("s", "max-players", "Maximum number of slots for the server to use, overrides setting in setting.ini", false, -1, "number", cmd);
 
+		TCLAP::MultiArg<int> portsArg("p", "port", "The port number the server should listen to", false, "port", cmd);
+
 		cmd.parse(argc, argv);
 
 		auto repo = cpp14::make_unique<cMemorySettingsRepository>();
@@ -381,10 +383,19 @@ std::unique_ptr<cMemorySettingsRepository> parseArguments(int argc, char **argv)
 
 			int slots = slotsArg.getValue();
 
-			repo->SetValueI("Server", "MaxPlayers", slots);
+			repo->AddValue("Server", "MaxPlayers", static_cast<Int64>(slots));
 
 		}
 
+		if (portsArg.isSet())
+		{
+			std::vector<int> ports = portsArg.getValue();
+			for (auto port : ports)
+			{
+				repo->AddValue("Server", "Port", static_cast<Int64>(port));
+			}
+		}
+
 		repo->SetReadOnly();
 
 		return repo;