save_mem.cgi

来自「Unix下基于Web的管理工具」· CGI 代码 · 共 56 行

#!/usr/local/bin/perl
# save_mem.cgi
# Save memory usage options

require './squid-lib.pl';
&ReadParse();
$conf = &get_config();
$whatfailed = "Failed to save memory options";

if ($squid_version < 2) {
	&save_opt("cache_mem", \&check_size, $conf);
	&save_opt("cache_swap", \&check_size, $conf);
	}
else {
	&save_opt_bytes("cache_mem", $conf);
	&save_opt("fqdncache_size", \&check_size, $conf);
	}
&save_opt("cache_mem_high", \&check_high, $conf);
&save_opt("cache_mem_low", \&check_low, $conf);
&save_opt("cache_swap_high", \&check_high, $conf);
&save_opt("cache_swap_low", \&check_low, $conf);
if ($squid_version < 2) {
	&save_opt("maximum_object_size", \&check_obj_size, $conf);
	}
else {
	&save_opt_bytes("maximum_object_size", $conf);
	}
&save_opt("ipcache_size", \&check_size, $conf);
&save_opt("ipcache_high", \&check_high, $conf);
&save_opt("ipcache_low", \&check_low, $conf);
&flush_file_lines();
&redirect("");

sub check_size
{
return $_[0] =~ /^\d+$/ ? undef : "'$_[0]' is not a valid cache size";
}

sub check_high
{
return $_[0] =~ /^\d+$/ && $_[0] > 0 && $_[0] <= 100
		? undef : "'$_[0]' is not a valid high-water mark";
}

sub check_low
{
return $_[0] =~ /^\d+$/ && $_[0] > 0 && $_[0] <= 100
		? undef : "'$_[0]' is not a valid low-water mark";
}

sub check_obj_size
{
return $_[0] =~ /^\d+$/ ? undef : "'$_[0]' is not a valid object size";
}