public SimpleChat()
{
//
// Required for Windows Form Designer support
//
InitializeComponent();
try
{
m_service = new DNSSDService();
}
catch
{
MessageBox.Show("Bonjour Service is not available", "Error");
Application.Exit();
}
m_eventManager = new DNSSDEventManager();
m_eventManager.ServiceRegistered += new _IDNSSDEvents_ServiceRegisteredEventHandler(this.ServiceRegistered);
m_eventManager.ServiceFound += new _IDNSSDEvents_ServiceFoundEventHandler(this.ServiceFound);
m_eventManager.ServiceLost += new _IDNSSDEvents_ServiceLostEventHandler(this.ServiceLost);
m_eventManager.ServiceResolved += new _IDNSSDEvents_ServiceResolvedEventHandler(this.ServiceResolved);
m_eventManager.QueryRecordAnswered += new _IDNSSDEvents_QueryRecordAnsweredEventHandler(this.QueryAnswered);
m_eventManager.OperationFailed += new _IDNSSDEvents_OperationFailedEventHandler(this.OperationFailed);
m_readMessageCallback = new ReadMessageCallback(OnReadMessage);
this.Load += new System.EventHandler(this.Form1_Load);
this.AcceptButton = button1;
}
/// <summary>
/// Gets a number of log messages starting at the specified message id.
/// </summary>
/// <param name="fromId">Id of the message to start at.</param>
/// <param name="count">Number of log messages to get.</param>
/// <param name="callback">Callback to invoke for every read message</param>
/// <returns>
/// true, if reading ran to completion;
/// false, if reading was cancelled.
/// </returns>
/// <exception cref="ArgumentOutOfRangeException"><paramref name="fromId"/> is not in the interval [OldestMessageId,NewestMessageId].</exception>
/// <exception cref="ArgumentOutOfRangeException"><paramref name="count"/> must be positive.</exception>
public override bool Read(long fromId, long count, ReadMessageCallback callback)
{
if (fromId < 0)
{
throw new ArgumentOutOfRangeException(nameof(fromId), fromId, "The log message id must be positive.");
}
if (fromId < OldestMessageId || fromId > NewestMessageId)
{
throw new ArgumentOutOfRangeException(nameof(fromId), fromId, $"The log message id must be in the interval [{OldestMessageId},{NewestMessageId}].");
}
if (count < 0)
{
throw new ArgumentOutOfRangeException(nameof(count), count, "The number of log messages must be positive.");
}
mSelectContinuousMessagesCommand.Reset();
mSelectContinuousMessagesCommand_FromIdParameter.Value = fromId;
mSelectContinuousMessagesCommand_CountParameter.Value = count;
using (var reader = mSelectContinuousMessagesCommand.ExecuteReader())
{
while (reader.Read())
{
// read message and invoke processing callback
var message = ReadLogMessage(reader);
if (!callback(message))
{
return(false);
}
}
}
return(true);
}
/// <summary>
/// Gets a number of log messages starting at the specified message id.
/// </summary>
/// <param name="fromId">Id of the message to start at.</param>
/// <param name="count">Number of log messages to get.</param>
/// <param name="callback">Callback to invoke for every read message</param>
/// <returns>
/// true, if reading ran to completion;
/// false, if reading was cancelled.
/// </returns>
/// <exception cref="ArgumentOutOfRangeException"><paramref name="fromId"/> is not in the interval [OldestMessageId,NewestMessageId].</exception>
/// <exception cref="ArgumentOutOfRangeException"><paramref name="count"/> must be positive.</exception>
/// <exception cref="LogFileException">Reading failed (see inner exception for details).</exception>
/// <exception cref="ObjectDisposedException">The log file has been disposed.</exception>
public bool Read(long fromId, long count, ReadMessageCallback callback)
{
CheckDisposed();
try
{
return(mDatabaseAccessor.Read(fromId, count, callback));
}
catch (SQLiteException ex)
{
throw new LogFileException(
$"Reading failed: {ex.Message}",
ex);
}
}
public Form1()
{
//
// Required for Windows Form Designer support
//
InitializeComponent();
registerServiceCallback = new RegisterServiceCallback(OnRegisterService);
addPeerCallback = new AddPeerCallback(OnAddPeer);
removePeerCallback = new RemovePeerCallback(OnRemovePeer);
resolveServiceCallback = new ResolveServiceCallback(OnResolveService);
resolveAddressCallback = new ResolveAddressCallback(OnResolveAddress);
readMessageCallback = new ReadMessageCallback(OnReadMessage);
this.Load += new System.EventHandler(this.Form1_Load);
this.AcceptButton = button1;
}
public Form1()
{
//
// Required for Windows Form Designer support
//
InitializeComponent();
registerServiceCallback = new RegisterServiceCallback(OnRegisterService);
addPeerCallback = new AddPeerCallback(OnAddPeer);
removePeerCallback = new RemovePeerCallback(OnRemovePeer);
resolveServiceCallback = new ResolveServiceCallback(OnResolveService);
resolveAddressCallback = new ResolveAddressCallback(OnResolveAddress);
readMessageCallback = new ReadMessageCallback(OnReadMessage);
this.Load += new System.EventHandler(this.Form1_Load);
this.AcceptButton = button1;
}
public SimpleChat()
{
//
// Required for Windows Form Designer support
//
InitializeComponent();
try
{
m_service = new DNSSDService();
}
catch
{
MessageBox.Show("Bonjour Service is not available", "Error");
Application.Exit();
}
m_eventManager = new DNSSDEventManager();
m_eventManager.ServiceRegistered += new _IDNSSDEvents_ServiceRegisteredEventHandler(this.ServiceRegistered);
m_eventManager.ServiceFound += new _IDNSSDEvents_ServiceFoundEventHandler(this.ServiceFound);
m_eventManager.ServiceLost += new _IDNSSDEvents_ServiceLostEventHandler(this.ServiceLost);
m_eventManager.ServiceResolved += new _IDNSSDEvents_ServiceResolvedEventHandler(this.ServiceResolved);
m_eventManager.QueryRecordAnswered += new _IDNSSDEvents_QueryRecordAnsweredEventHandler(this.QueryAnswered);
m_eventManager.OperationFailed += new _IDNSSDEvents_OperationFailedEventHandler(this.OperationFailed);
m_readMessageCallback = new ReadMessageCallback(OnReadMessage);
this.Load += new System.EventHandler(this.Form1_Load);
this.AcceptButton = button1;
}
