public void Login(Cluster cluster, Connection conn, out byte[] sessionToken, out DateTime?sessionExpiration)
{
sessionToken = null;
sessionExpiration = null;
dataOffset = 8;
conn.SetTimeout(cluster.loginTimeout);
try
{
if (cluster.authMode == AuthMode.INTERNAL)
{
WriteHeader(LOGIN, 2);
WriteField(USER, cluster.user);
WriteField(CREDENTIAL, cluster.passwordHash);
}
else
{
WriteHeader(LOGIN, 3);
WriteField(USER, cluster.user);
WriteField(CREDENTIAL, cluster.passwordHash);
WriteField(CLEAR_PASSWORD, cluster.password);
}
WriteSize();
conn.Write(dataBuffer, dataOffset);
conn.ReadFully(dataBuffer, HEADER_SIZE);
int result = dataBuffer[RESULT_CODE];
if (result != 0)
{
if (result == INVALID_COMMAND)
{
// New login not supported. Try old authentication.
AuthenticateOld(cluster, conn);
return;
}
// login failed.
throw new AerospikeException(result, "Login failed");
}
// Read session token.
long size = ByteUtil.BytesToLong(dataBuffer, 0);
int receiveSize = ((int)(size & 0xFFFFFFFFFFFFL)) - HEADER_REMAINING;
int fieldCount = dataBuffer[11];
if (receiveSize <= 0 || receiveSize > dataBuffer.Length || fieldCount <= 0)
{
throw new AerospikeException(result, "Failed to retrieve session token");
}
conn.ReadFully(dataBuffer, receiveSize);
dataOffset = 0;
for (int i = 0; i < fieldCount; i++)
{
int len = ByteUtil.BytesToInt(dataBuffer, dataOffset);
dataOffset += 4;
int id = dataBuffer[dataOffset++];
len--;
if (id == SESSION_TOKEN)
{
sessionToken = new byte[len];
Array.Copy(dataBuffer, dataOffset, sessionToken, 0, len);
}
else if (id == SESSION_TTL)
{
// Subtract 60 seconds from ttl so client session expires before server session.
long seconds = ByteUtil.BytesToUInt(dataBuffer, dataOffset) - 60;
if (seconds > 0)
{
sessionExpiration = DateTime.UtcNow.AddSeconds(seconds);
}
else
{
Log.Warn("Invalid session TTL: " + seconds);
}
}
dataOffset += len;
}
if (sessionToken == null)
{
throw new AerospikeException(result, "Failed to retrieve session token");
}
}
finally
{
conn.SetTimeout(cluster.connectionTimeout);
}
}