static void Main(string[] args)
{
var envVars = EnvVars.CheckVars();
if (envVars == null)
{
return;
}
CheckIp(envVars);
Console.CancelKeyPress += new ConsoleCancelEventHandler(OnExit);
_closing.WaitOne();
}
static async void CheckIp(EnvVars vars)
{
Utility.Log($"{AppDomain.CurrentDomain.FriendlyName} start at [{Utility.Now()}]");
var ipFetcher = new IpFetcher(vars.IP_ECHO);
var namesilo = new Namesilo(vars.API_KEY, vars.DOMAIN, vars.RECORD_NAME);
Func <string, string, Task> update = async(string ip, string logPrefix) => {
var recordId = await namesilo.GetRecordId();
var succeed = await namesilo.UpdateRecordIp(recordId, ip);
Utility.Log($"{logPrefix} got result: {succeed}");
};
string myIp = "None";
int sameCount = 0;
Func <Task> check = async() => {
var t = Utility.Now();
var newIp = await ipFetcher.GetMyIp();
//Utility.Log($"ip is [{newIp}]");
if (newIp != myIp)
{
await update(newIp, $"[{t}] replace [{myIp}] to [{newIp}] after [{sameCount}] times");
myIp = newIp;
}
else
{
sameCount += 1;
if ((sameCount % vars.PRINT_SAME_COUNT_STEP) == 0)
{
await update(newIp, $"[{t}] make sure it's still [{myIp}] after [{sameCount}] times");
}
}
};
while (Running)
{
try {
await check();
} catch (Exception ex) {
Utility.Log($"[{Utility.Now()}] got exception:[{ex.ToString()}]");
}
await Task.Delay(vars.CHECK_INTERVAL_SECONDS * 1000);
}
_closing.Set();
}
public static EnvVars CheckVars()
{
var vars = new EnvVars();
vars.API_KEY = vars.GetEnvVar(nameof(API_KEY));
vars.DOMAIN = vars.GetEnvVar(nameof(DOMAIN));
vars.RECORD_NAME = vars.GetEnvVar(nameof(RECORD_NAME));
vars.IP_ECHO = vars.GetEnvVar(nameof(IP_ECHO), IP_ECHO_DEFAULT);
vars.GetIntEnvVar(nameof(CHECK_INTERVAL_SECONDS), ref vars.CHECK_INTERVAL_SECONDS, CHECK_INTERVAL_SECONDS_DEFAULT.ToString());
vars.GetIntEnvVar(nameof(PRINT_SAME_COUNT_STEP), ref vars.PRINT_SAME_COUNT_STEP, PRINT_SAME_COUNT_STEP_DEFAULT.ToString());
//vars.LogVars();
if (vars.IsValid == false)
{
return(null);
}
return(vars);
}