/// <summary>
/// Sets up a connection to APNS and initializes the thread for sending notifications
/// </summary>
void _Connect()
{
var configuration = ApnsServiceConfiguration.GetConfiguration();
_certificate = new X509Certificate2(File.ReadAllBytes(configuration.Certificate), configuration.Password,
X509KeyStorageFlags.MachineKeySet | X509KeyStorageFlags.PersistKeySet | X509KeyStorageFlags.Exportable);
try {
if (!_connection.IsNullOrDefault())
{
_connection.Close();
}
#if DEBUG
NSLogger.Log(NSLogLevel.Info, "Connecting to APNS...");
#endif
_connection = new TcpClient(apnsHostName, 2195);
if (!_sslStream.IsNullOrDefault())
{
_sslStream.Close();
}
_sslStream = new SslStream(_connection.GetStream(), false,
new RemoteCertificateValidationCallback((sender, cert, chain, sslPolicyErrors) => { return(true); }),
new LocalCertificateSelectionCallback((sender, targetHost, localCerts, remoteCert, acceptableIssuers) => {
return(_certificate);
}));
var certificates = new X509CertificateCollection {
_certificate
};
_sslStream.AuthenticateAsClient(apnsHostName, certificates, SslProtocols.Ssl3, false);
if (!_sslStream.IsMutuallyAuthenticated)
{
throw new ApplicationException("SSL Stream Failed to Authenticate", null);
}
if (!_sslStream.CanWrite)
{
throw new ApplicationException("SSL Stream is not Writable", null);
}
#if DEBUG
NSLogger.Log(NSLogLevel.Info, "Connected!");
#endif
} catch (Exception) {
if (_connection.Connected)
{
_connection.Close();
}
if (!_sslStream.IsNullOrDefault())
{
_sslStream.Close();
_sslStream.Dispose();
}
throw;
}
}
internal void PostNotification(String notification, IEnumerable <String> recipients)
{
try {
if (!this.IsConnected)
{
GetChannel();
}
#if DEBUG
NSLogger.Log(NSLogLevel.Info, String.Format("Sending notification: {0}...", notification));
#endif
recipients.ToBytes(notification).ForEach(
recipient => _sslStream.Write(recipient, 0, recipient.Length)
);
#if DEBUG
NSLogger.Log(NSLogLevel.Info, "Notification Sent!");
#endif
} catch (Exception ex) {
NSLogger.LogException(ex);
}
}