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func main() {
var err error
input := os.Args[1]
ruleSetOutput := "rule-set"
binary, err := os.ReadFile(input)
if err != nil {
panic(err)
}
metadata, countryMap, err := parse(binary)
if err != nil {
panic(err)
}
allCodes := make([]string, 0, len(countryMap))
for code := range countryMap {
allCodes = append(allCodes, code)
}
writer, err := newWriter(metadata, allCodes)
if err != nil {
panic(err)
}
err = write(writer, countryMap, "geoip.db", nil)
if err != nil {
panic(err)
}
writer, err = newWriter(metadata, []string{"cn"})
if err != nil {
panic(err)
}
err = write(writer, countryMap, "geoip-cn.db", []string{"cn"})
if err != nil {
panic(err)
}
err = os.MkdirAll(ruleSetOutput, 0o755)
if err != nil {
panic(err)
}
for countryCode, ipNets := range countryMap {
var headlessRule option.DefaultHeadlessRule
headlessRule.IPCIDR = make([]string, 0, len(ipNets))
for _, cidr := range ipNets {
headlessRule.IPCIDR = append(headlessRule.IPCIDR, cidr.String())
}
var plainRuleSet option.PlainRuleSet
plainRuleSet.Rules = []option.HeadlessRule{
{
Type: C.RuleTypeDefault,
DefaultOptions: headlessRule,
},
}
srsPath, _ := filepath.Abs(filepath.Join(ruleSetOutput, "geoip-"+countryCode+".srs"))
os.Stderr.WriteString("write " + srsPath + "\n")
outputRuleSet, err := os.Create(srsPath)
if err != nil {
panic(err)
}
err = srs.Write(outputRuleSet, plainRuleSet)
if err != nil {
outputRuleSet.Close()
panic(err)
}
outputRuleSet.Close()
}
}
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