/// <summary>
/// 发起方：
/// 成功建立Socket连接，准备发送1次确认
/// </summary>
/// <param name="sender"></param>
/// <param name="e"></param>
private void createSocketCompletedEventHandler(
object sender, EventArgs ea)
{
// 取得新建的Socket（如果连接成功）
// 此Socket应等于this.socket
SocketAsyncEventArgs socketAsyncEA = (SocketAsyncEventArgs)ea;
Socket createdSocket = socketAsyncEA.ConnectSocket;
if (createdSocket != null && createdSocket == socket) // 连接成功
{
// 1次确认，发送name=自己（发起方）用户名
ProtocalHandler protocalHandler =
new ProtocalHandler(main.MyName);
string protocalText = protocalHandler.Pack("init_gp_request");
// 发送群中所有好友
foreach (string friend in owner.friends)
{
string friendBase64 =
protocalHandler.StringToBase64string(friend);
protocalText = protocalHandler.Append(
protocalText, "target", friendBase64);
}
byte[] sendbuf = Encoding.ASCII.GetBytes(protocalText);
SocketAsyncEventArgs saEA = new SocketAsyncEventArgs();
saEA.Completed +=
new EventHandler <SocketAsyncEventArgs>(
createdSocketSendNamesCompletedEventHandler);
saEA.SetBuffer(sendbuf, 0, sendbuf.Length);
socket.SendAsync(saEA);
}
}
/// <summary>
/// 发送RTF文本
/// </summary>
/// <param name="rtfToSend"></param>
public void SendRtfText(string rtfToSend)
{
try
{
ProtocalHandler protocalHandler = new ProtocalHandler(main.MyName);
string protocalText = protocalHandler.Pack(
"chat_rtf", protocalHandler.StringToBase64string(rtfToSend));
byte[] sendbuf = Encoding.ASCII.GetBytes(protocalText);
SocketAsyncEventArgs saEA = new SocketAsyncEventArgs();
saEA.Completed +=
new EventHandler <SocketAsyncEventArgs>(
SendCompletedDoNothing);
saEA.SetBuffer(sendbuf, 0, sendbuf.Length);
socket.SendAsync(saEA);
}
catch (Exception ex)
{
Trace.WriteLine("异常位置：SendRtfText");
Trace.WriteLine(ex.Message);
}
}
/// <summary>
/// 发起方：
/// 申请发送文件
/// </summary>
/// <param name="fileName">文件名（含路径）</param>
public void RequestToSendFile(string fileName)
{
// 打开文件
filePacker = new FilePacker(owner.fileName);
maxSeq = filePacker.GetPackNumbers();
owner.BeginInvoke(owner.setProgressDelegate, (int)maxSeq);
// 取得文件名，并将文件名编码以便使用
safeFileNameBase64 = owner.GetSafeFileName(fileName);
ProtocalHandler protocalHandler =
new ProtocalHandler(owner.targetName);
safeFileNameBase64 = protocalHandler.StringToBase64string(safeFileNameBase64);
// 封装协议文本
string protocalText = protocalHandler.Pack("file_requesttosend");
protocalText =
protocalHandler.Append(protocalText, "file", safeFileNameBase64);
protocalText =
protocalHandler.Append(protocalText, "maxseq", maxSeq.ToString());
try
{
// 发送
byte[] sendbuf = Encoding.ASCII.GetBytes(protocalText);
SocketAsyncEventArgs saEA = new SocketAsyncEventArgs();
saEA.Completed +=
new EventHandler <SocketAsyncEventArgs>(
SendCompletedDoNothing);
saEA.SetBuffer(sendbuf, 0, sendbuf.Length);
socket.SendAsync(saEA);
}
catch (Exception ex)
{
Trace.WriteLine("异常位置：RequestToSendFile");
Trace.WriteLine(ex.Message);
}
}