private void NewSingleChat(string remoteIP, string NickName, string msg)
{
SingleChatWindow window = new SingleChatWindow
{
RemoteIP = remoteIP
};
window.SetNickName(NickName);
instance.singleWindows.Add(window);
window.Show();
if (!msg.Equals(string.Empty))
{
window.NewMessage(msg);
}
}
private void Receive(object obj)
{
Socket recv = obj as Socket;
string filename = "";
long filelength = 0;
long recvlength = 0;
SingleChatWindow window = null;
MemoryStream memoryStream = new MemoryStream();
try
{
while (true)
{
byte[] buffer = new byte[1024 * 1024 + 2048];
int count = recv.Receive(buffer);
memoryStream.Write(buffer, 0, count);
buffer = memoryStream.ToArray();
if (count == 0)
{
break;
}
int startIndex = 0;
while (true)
{
int totalLength = 0, headerLength = 0;
if (buffer.Length - startIndex < 4)
{
totalLength = -1;
}
else
{
totalLength = BitConverter.ToInt32(buffer, startIndex);
}
if ((buffer.Length - startIndex < (totalLength + 8)) || totalLength == -1)
{
memoryStream.Close();
memoryStream.Dispose();
memoryStream = new MemoryStream();
memoryStream.Write(buffer, startIndex, buffer.Length - startIndex);
break;
}
headerLength = BitConverter.ToInt32(buffer, startIndex + 4);
string header = Encoding.Default.GetString(buffer, startIndex + 8, headerLength);
JObject jobj = (JObject)JsonConvert.DeserializeObject(header);
switch (jobj["action"].ToObject <int>())
{
case GROUPCHAT:
{
string remoteIP = jobj["IP"].ToString();
string nickname = Users.Find(x => x.IP.Equals(remoteIP)).NickName;
string msg = GetFormattedMessage(nickname, jobj["time"].ToString(), jobj["content"].ToString());
groupChatWindow.NewMessage(msg);
}
break;
case USERLISTSYNC:
{
Users.Clear();
Users = jobj["Users"].ToObject <List <User> >();
groupChatWindow.Sync();
}
break;
case SINGLECHAT:
{
string remoteIP = jobj["IP"].ToString();
string nickname = Users.Find(x => x.IP.Equals(remoteIP)).NickName;
string content = jobj["content"].ToString();
string msg = GetFormattedMessage(nickname, jobj["time"].ToString(), jobj["content"].ToString());
window = singleWindows.Find(win => win.RemoteIP.Equals(remoteIP));
if (window == null)
{
groupChatWindow.NewSingleChatWindow(remoteIP, NickName, msg);
}
else
{
window.NewMessage(msg);
}
}
break;
case SENDFILE:
{
string remoteIP = jobj["IP"].ToString();
filename = jobj["filename"].ToString();
filelength = jobj["filelength"].ToObject <long>();
if (recvlength == 0)
{
if (File.Exists(filename))
{
File.Delete(filename);
}
}
int size = totalLength - headerLength; //BitConverter.ToInt32(buffer, 4 + headerLength);
using (FileStream fs = new FileStream(filename, FileMode.Append, FileAccess.Write))
{
fs.Write(buffer, startIndex + 8 + headerLength, size);
recvlength += size;
}
window = singleWindows.Find(win => win.RemoteIP.Equals(remoteIP));
if (window == null)
{
groupChatWindow.NewSingleChatWindow(remoteIP, NickName, string.Empty);
}
else
{
window.RefreshProgress((double)recvlength / filelength);
}
if (recvlength == filelength)
{
recvlength = 0;
}
}
break;
default:
break;
}
startIndex += totalLength + 8;
}
}
}
catch (SocketException)
{
MessageBox.Show("服务器终止连接！");
groupChatWindow.CloseAllWindow();
}
}