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Added connection checks

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Added connection checks, in order to see if the user is connected to the internet or not
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ferferga 2018-03-02 16:34:56 +01:00 committed by GitHub
parent c1ce5e25ba
commit e9957bcc1c
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1 changed files with 357 additions and 347 deletions
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96
TLSharp.Core/TelegramClient.cs
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@ -30,55 +30,65 @@ namespace TLSharp.Core
private List<TLDcOption> dcOptions;
private TcpClientConnectionHandler _handler;
public TelegramClient(int apiId, string apiHash,
ISessionStore store = null, string sessionUserId = "session", TcpClientConnectionHandler handler = null)
public TelegramClient(int apiId, string apiHash, ISessionStore store = null, string sessionUserId = "session", TcpClientConnectionHandler handler = null)
{
if (apiId == default(int))
throw new MissingApiConfigurationException("API_ID");
if (string.IsNullOrEmpty(apiHash))
throw new MissingApiConfigurationException("API_HASH");
if (store == null)
store = new FileSessionStore();
TLContext.Init();
_apiHash = apiHash;
_apiId = apiId;
_handler = handler;
_session = Session.TryLoadOrCreateNew(store, sessionUserId);
_transport = new TcpTransport(_session.ServerAddress, _session.Port, _handler);
}
public async Task ConnectAsync(bool reconnect = false)
{
if (_session.AuthKey == null || reconnect)
try
{
var result = await Authenticator.DoAuthentication(_transport);
_session.AuthKey = result.AuthKey;
_session.TimeOffset = result.TimeOffset;
if (apiId == default(int))
throw new MissingApiConfigurationException("API_ID");
if (string.IsNullOrEmpty(apiHash))
throw new MissingApiConfigurationException("API_HASH");
if (store == null)
store = new FileSessionStore();
TLContext.Init();
_apiHash = apiHash;
_apiId = apiId;
_handler = handler;
_session = Session.TryLoadOrCreateNew(store, sessionUserId);
_transport = new TcpTransport(_session.ServerAddress, _session.Port, _handler);
}
_sender = new MtProtoSender(_transport, _session);
//set-up layer
var config = new TLRequestGetConfig();
var request = new TLRequestInitConnection()
catch
{
ApiId = _apiId,
AppVersion = "1.0.0",
DeviceModel = "PC",
LangCode = "en",
Query = config,
SystemVersion = "Win 10.0"
};
var invokewithLayer = new TLRequestInvokeWithLayer() { Layer = 66, Query = request };
await _sender.Send(invokewithLayer);
await _sender.Receive(invokewithLayer);
dcOptions = ((TLConfig)invokewithLayer.Response).DcOptions.ToList();
throw new Exception("Not connected to the internet");
}
}
public async Task<bool> ConnectAsync(bool reconnect = false)
{
try
{
if (_session.AuthKey == null || reconnect)
{
var result = await Authenticator.DoAuthentication(_transport);
_session.AuthKey = result.AuthKey;
_session.TimeOffset = result.TimeOffset;
}
_sender = new MtProtoSender(_transport, _session);
//set-up layer
var config = new TLRequestGetConfig();
var request = new TLRequestInitConnection()
{
ApiId = _apiId,
AppVersion = "1.0.0",
DeviceModel = "PC",
LangCode = "en",
Query = config,
SystemVersion = "Win 10.0"
};
var invokewithLayer = new TLRequestInvokeWithLayer() { Layer = 66, Query = request };
await _sender.Send(invokewithLayer);
await _sender.Receive(invokewithLayer);
dcOptions = ((TLConfig)invokewithLayer.Response).DcOptions.ToList();
}
catch
{
return false;
}
return true;
}
private async Task ReconnectToDcAsync(int dcId)
{
if (dcOptions == null || !dcOptions.Any())