public GenericCommandTransaction(PopConnection connection, string command, bool isResponseMultiline)
: base(connection)
{
IsResponseMultiline = isResponseMultiline;
this.command = command;
}
public StlsTransaction(PopConnection connection, UpgradeConnectionStreamCallback createAuthenticatedStreamCallback)
: base(connection)
{
if (createAuthenticatedStreamCallback == null)
throw new ArgumentNullException("createAuthenticatedStreamCallback");
this.createAuthenticatedStreamCallback = createAuthenticatedStreamCallback;
}
public AuthTransaction(PopConnection connection, SaslClientMechanism authMechanism)
: base(connection)
{
if (authMechanism == null)
throw new ArgumentNullException("authMechanism");
this.saslMechanism = authMechanism;
this.requiredCapability = null; // do not check capability
this.disposeMechanism = false;
}
public AuthTransaction(PopConnection connection, NetworkCredential credential)
: base(connection)
{
if (credential == null)
throw new ArgumentNullException("credential");
this.credential = credential;
this.requiredCapability = PopCapability.Sasl;
this.disposeMechanism = true;
}
public DeleTransaction(PopConnection connection)
: base(connection)
{
}
public NoOpTransaction(PopConnection connection)
: base(connection)
{
}
public UserTransaction(PopConnection connection)
: base(connection)
{
}
public ApopTransaction(PopConnection connection)
: base(connection)
{
}
/*
* transaction methods : connect/disconnect
*/
private void Connect(string host, int port, UpgradeConnectionStreamCallback createAuthenticatedStreamCallback)
{
TraceInfo("connecting");
this.connection = new PopConnection(host, port, createAuthenticatedStreamCallback);
TraceInfo("connected");
using (var t = new GreetingTransaction(connection)) {
try {
if (ProcessTransaction(t).Failed)
throw new PopConnectionException(string.Concat("connection refused or establishment failed: ", t.Result.ResultText));
}
catch (TimeoutException ex) {
throw new PopConnectionException("connection timed out", ex);
}
timestamp = t.Result.Value;
TransitStateTo(PopSessionState.Authorization);
}
if (ApopAvailable)
TraceInfo("APOP is available, timestamp is {0}", timestamp);
}
private void CloseConnection()
{
if (connection == null)
return;
try {
TraceInfo("disconnecting");
connection.Close();
TraceInfo("disconnected");
}
finally {
TransitStateTo(PopSessionState.NotConnected);
connection = null;
}
}
public SendCommandTransactionBase(PopConnection connection)
: base(connection)
{
}
public RetrTransaction(PopConnection connection)
: base(connection)
{
}
public PassTransaction(PopConnection connection)
: base(connection)
{
}
public RsetTransaction(PopConnection connection)
: base(connection)
{
}
public QuitTransaction(PopConnection connection)
: base(connection)
{
}