public async Task Migrate(int dc) {
if(gateway == null) {
logger.error("gateway not found, migration impossible");
return;
}
if (gateway.Config == null) {
logger.error("config in gateway not found, migration impossible");
return;
}
ConfigConstructor config = (ConfigConstructor) gateway.Config;
if(config.this_dc == dc) {
logger.warning("migration to same dc: {0}", dc);
return;
}
TelegramDC newDc = new TelegramDC();
foreach(var dcOption in config.dc_options) {
DcOptionConstructor optionConstructor = (DcOptionConstructor) dcOption;
if(optionConstructor.id == dc) {
TelegramEndpoint endpoint = new TelegramEndpoint(optionConstructor.ip_address, optionConstructor.port);
newDc.Endpoints.Add(endpoint);
}
}
dcs[dc] = newDc;
mainDcId = dc;
gateway.Dispose();
gateway = null;
establishedTask = new TaskCompletionSource<object>();
ConnectAsync();
await Established;
}
// save timer end
public async Task ConnectAsync() {
try {
if (gateway == null) {
logger.info("creating new mtproto gateway...");
gateway = new MTProtoGateway(MainDc, this, true, cachedSalt);
gateway.UpdatesEvent += updates.ProcessUpdates;
gateway.BrokenSessionEvent += GatewayOnBrokenSessionEvent;
while (true) {
try {
await gateway.ConnectAsync();
break;
} catch (MTProtoBrokenSessionException e) {
logger.info("broken session exception");
}
}
api = new TLApi(gateway);
logger.info("connection established, notifying");
//establishedTask.SetResult(null);
updates.RequestDifference();
gateway.ReconnectEvent += () => {
GoToOnline();
updates.RequestDifference();
};
GoToOnline();
if(!saveSessionTimerInitialized) {
SaveSessionTimer();
saveSessionTimerInitialized = true;
}
}
}
catch (Exception ex) {
logger.error("session exception: {0}", ex);
throw ex;
}
}
private void GatewayOnBrokenSessionEvent() {
logger.info("creating new session... TODO: destroy old session");
// creating new session
id = Helpers.GenerateRandomUlong();
sequence = 0;
gateway.Dispose();
gateway = new MTProtoGateway(MainDc, this, true, cachedSalt);
gateway.UpdatesEvent += updates.ProcessUpdates;
gateway.BrokenSessionEvent += GatewayOnBrokenSessionEvent;
}
public async Task<MTProtoGateway> GetFileGateway(ulong salt) {
await _lock.WaitAsync();
// fileGateway = new MTProtoGateway(this, fileSession);
try {
if (fileGateway != null) {
return fileGateway;
}
if (fileSession == null) {
fileSession = new TelegramFileSession(Helpers.GenerateRandomUlong(), 0);
}
fileGateway = new MTProtoGateway(this, fileSession, false, salt);
await fileGateway.ConnectAsync();
return fileGateway;
}
finally {
_lock.Release();
}
}
