// 得到当前是和哪个用户在聊天, 以及他在用户列表中的index
public void getGroupIndex(ref GroupInList fromGroup, ref int index, string groupName)
{
foreach (GroupInList gil in this.ln.Uag.GroupNameList)
{
if (gil.GroupName == groupName) // 找到要处理的用户
{
fromGroup = gil;
break;
}
index++;
}
}
public void ActionInit()
{
//建立连接后准备接受
AccessAction = () =>
{
this.Dispatcher.Invoke((Action) delegate()
{
String friendIP = socket.ClientSockets.RemoteEndPoint.ToString();
InfoTB.Text += String.Format("连接成功. 对方IP:{0} \n", friendIP);
try
{
socket.Receive(AccessAction, ReceiveAction, LogAction);
}
catch (Exception exp)
{
System.Windows.MessageBox.Show(exp.Message, "错误");
}
});
};
//接收，集中处理JSON对象
#region ReceiveAction = msg => {...}
ReceiveAction = msg =>
{
User user = new User();
// lxw ADD HERE.
switch (msg.Type)
{
#region case 1: 用户列表
case 1: //用户列表[接收]
{
/*InfoTB.Dispatcher.Invoke((Action)delegate()
* {
* UpdateGetMsgTextBox(false, msg.MessageContent);
* });*/
/*string[] userNameList = msg.MessageContent.Split(',');
* ln.Uag.updateUserList(userNameList);*/
// 接收到的msg.MessageContent是一个List<User>的JSON字符串
List <User> userList = JsonConvert.DeserializeObject <List <User> >(msg.MessageContent);
ln.Uag.updateUserList(userList);
}
break;
#endregion
#region case 3: 查询是否在线的请求
case 3: //查询是否在线的请求[接收该包 then 发送新包]
{
// 收到 type == 3后,发送type == 4(在线请求的回应)的包
Message newmsg = new Message();
newmsg.FromUserName = this.ln.UserName; //"Charlie";
//newmsg.ToUserName = "******";
//newmsg.DateLine = DateTime.Now.ToString();
newmsg.Type = 4; //在线请求的回应
//newmsg.MessageContent = "在线";
try
{
this.socket.Send(newmsg);
}
catch (Exception ecp)
{
System.Windows.MessageBox.Show(ecp.Message, "错误");
return;
}
}
break;
#endregion
#region case 5: 接收文字消息
case 5: //接收文字消息
{
// 1.显示出来[与该FromUserName的聊天窗口已经打开] 或者 2.添加到FromUserName的MsgList中[还没有打开聊天窗口]
int index = 0;
UserInList fromUser = null;
getUserIndex(ref fromUser, ref index, msg.FromUserName);
if (fromUser.ComWin == null) // 2. 没有打开聊天窗口
{
fromUser.MsgList.Add(msg);
// UserAndGroup窗体中提示有未读消息
this.ln.Uag.updateUserListItem(index, fromUser.MsgList.Count);
}
else // 1. 已经打开聊天窗口
{
fromUser.ComWin.updateMsgTextBox(msg.FromUserName + " " + msg.DateLine + " :\r\n" +
msg.MessageContent + "\r\n");
}
}
break;
#endregion
#region case 6: 群消息
case 6: // 群消息
{
int index = 0;
GroupInList fromGroup = null;
//index 对于群聊天来说暂时没有使用
getGroupIndex(ref fromGroup, ref index, msg.GroupName);
if (fromGroup.ComGroupWin != null) // 已经打开群聊天窗口
{
fromGroup.ComGroupWin.updateMsgTextBox(msg.FromUserName + " " + msg.DateLine + " :\r\n" +
msg.MessageContent + "\r\n");
}
#region 暂时不处理
else // 没有打开群聊天窗口
{
// 暂时不处理
}
#endregion
}
break;
#endregion
#region case 7: 对"发送文件请求"进行处理, 即发送回应
case 7: // 对"发送文件请求"进行处理, 即发送回应
{
/*InfoTB.Dispatcher.Invoke((Action)delegate()
* {
* UpdateGetMsgTextBox(false, msg.FromUserName + "准备向您发送文件" + msg.MessageContent);
* });*/
Message newmsg = new Message();
newmsg.FromUserName = this.ln.UserName; //"Charlie";
newmsg.ToUserName = msg.FromUserName; //"Lee";
newmsg.DateLine = DateTime.Now.ToString();
newmsg.Type = 8; //文件请求的应答
newmsg.MessageContent = "拒绝";
newmsg.FilePath = msg.FilePath;
if (
System.Windows.MessageBox.Show(string.Format("是否接收文件 {0}，来自 {1}。", msg.MessageContent, msg.FromUserName),
"接收文件",
MessageBoxButton.YesNo,
MessageBoxImage.Question)
==
MessageBoxResult.Yes
)
{
newmsg.MessageContent = "同意";
}
try
{
socket.Send(newmsg);
}
catch (Exception ecp)
{
System.Windows.MessageBox.Show(ecp.Message, "错误");
return;
}
}
break;
#endregion
#region case 8: 文件请求回应
case 8: //文件请求回应
{
// 查找要处理的用户
int index = 0;
UserInList fromUser = null;
getUserIndex(ref fromUser, ref index, msg.FromUserName);
if (msg.MessageContent == "同意")
{
/*InfoTB.Dispatcher.Invoke((Action)delegate()
* {
* UpdateGetMsgTextBox(false, "对方同意接受文件！");
* });*/
try
{
// 提示对方同意接收
try
{
if (fromUser.ComWin == null) // 2. 没有打开聊天窗口
{
fromUser.MsgList.Add(msg);
// UserAndGroup窗体中提示有未读消息
this.ln.Uag.updateUserListItem(index, fromUser.MsgList.Count);
}
else // 1. 已经打开聊天窗口
{
fromUser.ComWin.updateMsgTextBox(msg.FromUserName + " " + msg.DateLine + " :\r\n" +
"同意接收文件" + "\r\n");
}
}
catch
{
throw new Exception("显示提示信息出错.");
}
//创建一个文件对象
FileInfo EzoneFile = new FileInfo(msg.FilePath);
//打开文件流
FileStream EzoneStream = EzoneFile.OpenRead();
int PacketSize = 1024;
byte[] data = new byte[PacketSize];
int PacketCount = (int)(EzoneStream.Length / PacketSize);
//最后一个包的大小
int LastDataPacket = (int)(EzoneStream.Length - ((long)(PacketSize * PacketCount)));
Message Filemsg = new Message();
Filemsg.FromUserName = this.Ln.UserName; //"Charlie";
Filemsg.ToUserName = msg.FromUserName; //"Lee";
Filemsg.DateLine = DateTime.Now.ToString();
Filemsg.Type = 9; //文件内容
Filemsg.FilePath = msg.FilePath;
Filemsg.MessageID = PacketCount + 1; //将这个作为文件块数量传递
for (int i = 0; i < PacketCount; i++)
{
EzoneStream.Read(data, 0, data.Length);
Filemsg.MessageContent = Encoding.Default.GetString(data);
socket.Send(Filemsg);
Thread.Sleep(100);
}
if (LastDataPacket != 0)
{
data = new byte[LastDataPacket];
EzoneStream.Read(data, 0, data.Length);
Filemsg.MessageContent = Encoding.Default.GetString(data);
socket.Send(Filemsg);
}
EzoneStream.Close();
// 提示文件发送完毕
try
{
if (fromUser.ComWin == null) // 2. 没有打开聊天窗口
{
fromUser.MsgList.Add(msg);
// UserAndGroup窗体中提示有未读消息
this.ln.Uag.updateUserListItem(index, fromUser.MsgList.Count);
}
else // 1. 已经打开聊天窗口
{
fromUser.ComWin.updateMsgTextBox(msg.FromUserName + " " + msg.DateLine + " :\r\n" +
"文件发送完毕" + "\r\n");
}
}
catch
{
throw new Exception("显示提示信息出错.");
}
}
catch (Exception ee)
{ }
}
else
{
/*InfoTB.Dispatcher.Invoke((Action)delegate()
* {
* UpdateGetMsgTextBox(false, msg.MessageContent);
* });*/
//提示对方拒绝接收文件
try
{
if (fromUser.ComWin == null) // 2. 没有打开聊天窗口
{
fromUser.MsgList.Add(msg);
// UserAndGroup窗体中提示有未读消息
this.ln.Uag.updateUserListItem(index, fromUser.MsgList.Count);
}
else // 1. 已经打开聊天窗口
{
fromUser.ComWin.updateMsgTextBox(msg.FromUserName + " " + msg.DateLine + " :\r\n" +
"拒绝接收文件" + "\r\n");
}
}
catch
{
throw new Exception("显示提示信息出错.");
}
}
}
break;
#endregion
#region case 9: 文件内容
case 9: //文件内容
try
{
byte[] dataRecv = Encoding.Default.GetBytes(msg.MessageContent);
if (filepath == "" || filepath != msg.FilePath) // 不是同一个文件,则新开一个文件(写入该文件)
{
ThreadStart ts = new ThreadStart(recvFileName);
Thread thread = new Thread(ts);
thread.SetApartmentState(ApartmentState.STA);
thread.Start();
//SaveFileDialog sfd = new SaveFileDialog();
//sfd.ShowDialog();
// 同步
thread.Join();
// FileMode这一个字段{就决定了,能否支持多文件传输.} 还是有问题的(因为filepath和Size的共享问题).
//MyFileStream = new FileStream(msg.FilePath + "1", FileMode.Create, FileAccess.Write);
MyFileStream = new FileStream(this.filepath, FileMode.OpenOrCreate, FileAccess.Write);
this.filepath = msg.FilePath; // 上一次写入的文件, 该变量多个线程共享
Size = msg.MessageID; // 该变量多个线程共享
}
else //同一个文件
{
// 什么都不做,继续接收即可
}
MyFileStream.Write(dataRecv, 0, dataRecv.Length);
Size--;
if (Size == 0)
{
MyFileStream.Close();
/*InfoTB.Dispatcher.Invoke((Action)delegate()
* {
* UpdateGetMsgTextBox(false, msg.FilePath + "接受完成！");
* });*/
// 查找要处理的用户
int index = 0;
UserInList fromUser = null;
getUserIndex(ref fromUser, ref index, msg.FromUserName);
try
{
if (fromUser.ComWin == null) // 2. 没有打开聊天窗口
{
fromUser.MsgList.Add(msg);
// UserAndGroup窗体中提示有未读消息
this.ln.Uag.updateUserListItem(index, fromUser.MsgList.Count);
}
else // 1. 已经打开聊天窗口
{
fromUser.ComWin.updateMsgTextBox(msg.FromUserName + " " + msg.DateLine + " :\r\n" +
"文件接收完成!" + "\r\n");
}
}
catch
{
throw new Exception("显示提示信息出错.");
}
}
}
catch
{
/*InfoTB.Dispatcher.Invoke((Action)delegate()
* {
* UpdateGetMsgTextBox(false, "接受错误！");
* });*/
}
break;
#endregion
#region case 10: 加群请求(群主接收)
case 10: // 加群请求(群主接收)
{
Message newmsg = new Message();
newmsg.FromUserName = this.ln.UserName; //"Charlie";
newmsg.ToUserName = msg.FromUserName; //"Lee";
newmsg.DateLine = DateTime.Now.ToString();
newmsg.Type = 11; //加群请求的应答
newmsg.MessageContent = "拒绝";
newmsg.IsJoin = 0; // NOTE, 须有
newmsg.GroupName = msg.GroupName;
if (
System.Windows.MessageBox.Show(string.Format("是否同意 {0} 加入群 {1}。", msg.FromUserName, msg.MessageContent),
"加群请求",
MessageBoxButton.YesNo,
MessageBoxImage.Question)
==
MessageBoxResult.Yes
)
{
newmsg.MessageContent = "同意";
newmsg.IsJoin = 1; // NOTE, 须有
}
try
{
socket.Send(newmsg);
}
catch (Exception ecp)
{
System.Windows.MessageBox.Show(ecp.Message, "错误");
return;
}
}
break;
#endregion
#region case 11: 建群回应 | 加群回应
case 11: //加群回应(请求者接收) | 建群回应(群主接收)
{
if (msg.MessageContent.IndexOf("成功建群") > 0) // 建群回应(群主接收)
{
// 把msg.GroupName添加群列表
this.Ln.Uag.addIntoGroupList(msg.GroupName);
}
else // 加群回应(请求者接收)
{
if (msg.IsJoin == 1) // 同意加群
{
System.Windows.MessageBox.Show(msg.MessageContent,
"同意加群",
MessageBoxButton.OK,
MessageBoxImage.Information);
// 把msg.GroupName添加群列表
this.Ln.Uag.addIntoGroupList(msg.GroupName);
}
else // 拒绝加群(请求者接收)
{
System.Windows.MessageBox.Show(msg.MessageContent,
"拒绝加群",
MessageBoxButton.OK,
MessageBoxImage.Information);
}
}
}
break;
#endregion
#region case 12: 群成员请求的应答
case 12: //群成员请求的应答
{
// 得到群成员列表
// 接收到的msg.MessageContent是一个List<string>的JSON字符串
List <string> memberList = JsonConvert.DeserializeObject <List <string> >(msg.MessageContent);
int length = this.Ln.Uag.GroupNameList.Count;
for (int i = 0; i < length; ++i)
{
if (this.Ln.Uag.GroupNameList[i].GroupName == msg.GroupName)
{
this.Ln.Uag.GroupNameList[i].ComGroupWin.updateMemberList(memberList);
break;
}
}
}
break;
#endregion
}
};
#endregion
//日志信息
LogAction = msg =>
{
InfoTB.Dispatcher.Invoke((Action) delegate()
{
UpdateGetMsgTextBox(false, msg);
});
};
}