/// <summary>
/// Handle Redis commands written by user in TextBox
/// </summary>
/// <param name="sender"></param>
/// <param name="e"></param>
private void SendCommandToRedis(object sender, RoutedEventArgs e)
{
string[] splitText = textBoxMessage.Text.Split(' ');
string operation = splitText[0].ToLower();
string key, value, response;
bool success;
// Determine what operation should be called based on the first word of the textbox
switch (operation)
{
case "set":
// SET <key> <value>
if (splitText.Length == 3)
{
key = splitText[1];
value = splitText[2];
success = redisDB.SetKey(key, value);
response = (success == true) ? "OK" : "ERROR";
textBlockOutput.Text += string.Format("{0}: {1} {2} {3}\n", response, operation, key, value);
}
// SET <key> <value> <expiration>
else if (splitText.Length == 4)
{
key = splitText[1];
value = splitText[2];
int expiration = int.Parse(splitText[3]);
success = redisDB.SetKeyWithExpiration(key, value, expiration);
response = (success == true) ? "OK" : "ERROR";
textBlockOutput.Text += string.Format("{0}: {1} {2} {3} {4}\n", response, operation, key, value, expiration);
}
else
{
textBoxMessage.Text = "[ERROR][SYNTAX]: SET KEY VALUE";
}
break;
case "del":
// DEL <key>
if (splitText.Length == 2)
{
key = splitText[1];
success = redisDB.DelKey(key);
response = (success == true) ? "OK" : "ERROR";
textBlockOutput.Text += string.Format("{0}: {1} {2}\n", response, operation, key);
}
// DEL <keys>
else if (splitText.Length > 2)
{
// Construct array of keys from input, first element in splitText is "del" command - start with second element
string[] keys = new string[splitText.Length - 1];
for (int i = 0; i < keys.Length; i++)
{
keys[i] = splitText[i + 1];
}
long responseLong = redisDB.DelKeys(keys);
// Output
StringBuilder sb = new StringBuilder(string.Format("{0}: {1} ", responseLong, operation));
foreach (string k in keys)
{
sb.Append(string.Format("{0} ", k));
}
sb.Append("\n");
textBlockOutput.Text += sb.ToString();
}
else
{
textBoxMessage.Text = "[ERROR][SYNTAX]: DEL KEY [, KEY, ...]";
}
break;
case "ttl":
// TTL <key>
if (splitText.Length == 2)
{
key = splitText[1];
int?successTTL = redisDB.TTLKey(key);
if (successTTL is int)
{
textBlockOutput.Text += string.Format("Key {0} expires in {1} seconds\n", key, successTTL);
}
else
{
textBlockOutput.Text += string.Format("Key {0} does not expire/exist\n", key);
}
}
else
{
textBoxMessage.Text = "[ERROR][SYNTAX]: TTL KEY";
}
break;
default:
textBoxMessage.Text = "[ERROR]: UNKNOWN OPERATION!";
break;
}
}