LoxiLB: lb config requires lb name

since now we delete lb by name, so lb name
is required field.

Signed-off-by: Vincent Li <vincent.mc.li@gmail.com>

html/cgi-bin/loxilbconfig.cgi

@@ -133,6 +133,9 @@ if ($settings{'ACTION'} eq $Lang::tr{'add'}) {
 	if ($settings{'EXTIP'} =~ /^0\.0\.0\.0/){
 		$errormessage = $Lang::tr{'invalid ip'}." - 0.0.0.0";
 	}
+	if ($settings{'NAME'} eq ''){
+		$errormessage = "LB Name: ".$Lang::tr{'loxilb empty'};
+	}
 
 	# Escape input in REMARK field
 	$settings{'NAME'} = &Header::escape($settings{'NAME'});
@@ -265,7 +268,7 @@ my %checked=();     # Checkbox manipulations
 
 if ($errormessage) {
     &Header::openbox('100%', 'left', $Lang::tr{'error messages'});
-    print "<font class='base'>$errormessage&nbsp;</font>";
+    print "<font class='base' color=red>$errormessage&nbsp;</font>";
     &Header::closebox();
 }
 

langs/en/cgi-bin/en.pl

@@ -2455,6 +2455,7 @@
 'static routes' => 'Static Routes',
 'loxilb' => 'eBPF LoxiLB Load Balancer',
 'loxilb status' => 'Status',
+'loxilb empty' => 'Field can not be empty',
 'loxilb enable' => 'Enable Load Balancer',
 'loxilb config' => 'LoxiLB Load Balancer Configuration',
 'loxilb lb config changed' => 'LoxiLB LB configuration is changed',

langs/zh/cgi-bin/zh.pl

@@ -2422,6 +2422,7 @@
 'static routes' => '静态路由',
 'loxilb' => 'eBPF LoxiLB 负载均衡',
 'loxilb status' => '负载均衡启用状态',
+'loxilb empty' => '不能空',
 'loxilb enable' => '启用 eBPF LoxiLB 负载均衡',
 'loxilb config' => 'eBPF LoxiLB 负载均衡配置',
 'loxilb lb config changed' => 'LoxiLB 负载均衡 配置修改',