private void send(int i, ref int dataGramCount)
{
//get the ack (read the ack number)
int receivedAck;
do {
//set state for sending
this.clientState.send();
//send packet
this.startPacket();
this.sendDataBlock(i);
this.commit();
receivedAck = retrSendAck(i);
//send the next packet
i = receivedAck + 1;
}
while (receivedAck > 0 && receivedAck < dataGramCount);
if (receivedAck == dataGramCount)
{
Console.WriteLine("Packages sent successfully");
this.context.protocolMSGInv("File \"" + Path.GetFileName(filename) + "\" has been sent!");
//go back to init state
this.clientState = new InitState();
sendingFileStream.Close();
sendingFileStream = null;
}
else if (receivedAck == -1)
{
Console.WriteLine("Error! Client reset!");
resetClient();
}
else if (receivedAck > dataGramCount)
{
Console.WriteLine("Strange error");
}
}
private void resetClient()
{
//reset client
udpClient.Close();
udpClient = null;
this.clientState = new InitState();
}
private Client()
{
//The first time we have to generate a state on our own and not by the state mechanism
//Then we go into the init-Method according to the state
clientState = new InitState();
}
//Setter and getter for ClientState
public void setClientState(ClientState state)
{
this.clientState = state;
}