private void SendUDP()
{
if (friendID[0] == ' ')
{
MessageBox.Show("暂不支持UDP群组通话");
return;
}
var text = EditMessage.Text;
EditMessage.Text = "";
if (text == "")
{
MessageBox.Show("发送消息不能为空!");
return;
}
var temp = "q" + friendID;
var resp = CSCore_instance.Query(temp);
if (resp == "n")
{
MessageBox.Show("当前好友不在线!");
this.Close();
return;
}
else
{
friendIP = resp;
}
var msg = new ChattingMessage();
msg.CMType = MessageType.Text;
msg.Content = text;
msg.DstID = friendID;
msg.SrcID = MyID;
msg.SendTime = DateTime.Now.ToString();
//P2P发送
MyDataGram mdg = new MyDataGram();
mdg.SrcID = MyID;
mdg.Text = text;
mdg.DstID = friendID;
mdg.Type = MessageType.Text;
P2PCore_instance.SendUDPData(MyDataGram.EncodeMessage(mdg), friendIP, SendDataPort);
P2PCore_instance.AddUdpMessage(MyDataGram.EncodeMessage(mdg), friendIP, SendDataPort);
//回显
msg.Content = "我: " + msg.Content;
msg.hori = HorizontalAlignment.Right;
ChattingMessageList.Add(msg);
ChattingWindowListBox.ScrollIntoView(msg);
}
private void SendGroupMessage(string text)
{
var msg = new ChattingMessage();
foreach (var id in GroupIDList)
{
if (id == MyID)
{
continue;
}
//check online
var temp = "q" + id;
var resp = CSCore_instance.Query(temp);
if (resp == "n")
{
//MessageBox.Show("当前好友不在线!");
//this.Close();
continue;
}
else
{
friendIP = resp;
}
msg.CMType = MessageType.Text;
msg.Content = text;
msg.DstID = id;
msg.SrcID = MyID;
msg.SendTime = DateTime.Now.ToString();
//P2P发送
MyDataGram mdg = new MyDataGram();
mdg.SrcID = MyID;
mdg.Text = text;
mdg.DstID = id;
mdg.GroupID = friendID;
mdg.Type = MessageType.Text;
P2PCore_instance.SendData(MyDataGram.EncodeMessage(mdg), friendIP, SendDataPort);
}
if (msg.Content == "__init__")
{
return;
}
//回显
msg.Content = "我: " + msg.Content;
msg.hori = HorizontalAlignment.Right;
ChattingMessageList.Add(msg);
ChattingWindowListBox.ScrollIntoView(msg);
//遍历所有的group_id 给所有其他人发一个奇怪的message
}
public ObservableCollection <ChattingMessage> LoadHistory(string MyID, string FriID, ObservableCollection <ChattingMessage> old)
{
/*
* 数据格式: ME_xxx_FRI_xxx.txt
* 发送方$信息类型$内容$时间
* ...
#time
*/
var rst = old;
string FileName = "ME_" + MyID + "_FRIEND_" + FriID + ".txt";
var fs = new FileStream(@".\data\" + FileName, FileMode.OpenOrCreate, FileAccess.ReadWrite);
StreamReader sr = new StreamReader(fs);
var line = sr.ReadLine();
List <String> temp = new List <string>();
while (line != null)
{
temp.Add(line);
line = sr.ReadLine();
}
sr.Close();
fs.Close();
foreach (var t in temp)
{
ChattingMessage tcm = new ChattingMessage();
var arr = t.Split('$');
if (arr[0] == MyID)
{
tcm.SrcID = MyID;
tcm.DstID = FriID;
}
else
{
tcm.SrcID = FriID;
tcm.DstID = MyID;
}
tcm.CMType = (MessageType)_MessageTypeConverter(arr[1]);
tcm.Content = arr[2];
tcm.SendTime = arr[3];
if (tcm.CMType == MessageType.Image)
{
var fullpath = Path.GetFullPath(tcm.Content);
try
{
tcm.BitMapSource = new BitmapImage(new Uri(fullpath, UriKind.Absolute));
}catch (FileNotFoundException e)
{
tcm.Content = "已经删除的文件" + tcm.Content;
}
}
if (tcm.SrcID == MyID)
{
tcm.hori = HorizontalAlignment.Right;
}
rst.Add(tcm);
}
return(rst);
}
public void ReceiveMessage(MyDataGram mdg)
{
var msg = new ChattingMessage();
msg.SrcID = mdg.SrcID;
msg.DstID = mdg.DstID;
msg.CMType = (MessageType)(uint)mdg.Type;
//文件处理
if (msg.CMType == MessageType.File || msg.CMType == MessageType.Image)
{
//if (mdg.GroupID[0]==' ')
if (mdg.GroupID != "")
{
if (MatchP2PFile(mdg))
{
//same file
}
else
{
P2PFileBuffer = null;
P2PFileIDList = null;
P2PFileIndexPool = null;
ActualFileLength = 0;
P2pMyOriginalPart = null;
}
if (mdg.GroupFileIndex == MyP2PIndex)
{
//ask!
if (P2PFileIndexPool == null)
{
MessageBox.Show("Fatal!");
return;
}
//向请求方给予你的部分
MyDataGram Askdg = new MyDataGram();
Askdg.DstID = mdg.SrcID;
Askdg.SrcID = mdg.DstID;
Askdg.GroupFileID = mdg.GroupFileID;
Askdg.GroupID = mdg.GroupID;
Askdg.Text = mdg.Text;
Askdg.GroupFileIndex = MyP2PIndex;
Askdg.Type = MessageType.File;
Askdg.FileContent = P2pMyOriginalPart;
P2PCore_instance.SendData(MyDataGram.EncodeMessage(Askdg), friendIP, SendDataPort);
}
else
{
//receive!
var arr = mdg.GroupFileID.Split(' ');
if (P2PFileIDList == null)
{
P2PFileIDList = new List <string>();
MyP2PIndex = mdg.GroupFileIndex;
}
foreach (var id in arr)
{
if (id != "" && id != mdg.SrcID)
{
P2PFileIDList.Add(id);
}
}
int Totalnum = P2PFileIDList.Count;
//MessageBox.Show("Get P2P file part: " + mdg.GroupFileIndex + "in Total " + P2PFileIDList.Count().ToString() + "Parts");
if (P2PFileIndexPool == null)
{
P2PFileIndexPool = new int[Totalnum];
}
int filecutter = mdg.FileContent.Length;
if (P2PFileBuffer == null)
{
//larger than actual.
P2PFileBuffer = new byte[filecutter * (Totalnum + 1)];
ActualFileLength = 0;
P2pMyOriginalPart = new byte[filecutter];
Buffer.BlockCopy(mdg.FileContent, 0, P2pMyOriginalPart, 0, filecutter);
}
//put in
P2PFileIndexPool[mdg.GroupFileIndex - 1] = 1;
Buffer.BlockCopy(mdg.FileContent, 0, P2PFileBuffer, (mdg.GroupFileIndex - 1) * filecutter, filecutter);
ActualFileLength += filecutter;
int flag = 0;
foreach (int i in P2PFileIndexPool)
{
if (i != 1)
{
flag = 1;
}
}
byte[] FinalFile = null;
if (flag == 0)
{
//finish
FinalFile = new byte[ActualFileLength];
Buffer.BlockCopy(P2PFileBuffer, 0, FinalFile, 0, ActualFileLength);
}
if (FinalFile != null)
{
var question = "收到P2P的完整文件: " + mdg.GroupID + ",确定接受嘛?";
MessageBoxResult rst = MessageBox.Show(question, "Get File!", MessageBoxButton.YesNo);
if (rst == MessageBoxResult.Yes)
{
//MessageBox.Show(msg.Content);
var folder_dir = "./" + msg.SrcID + "/";
if (!Directory.Exists(folder_dir))
{
Directory.CreateDirectory(folder_dir);
}
var FileFullName = folder_dir + mdg.Text;
FileStream fs = File.OpenWrite(FileFullName);
fs.Write(FinalFile, 0, ActualFileLength);
fs.Close();
MessageBox.Show("接收文件成功,储存在: " + FileFullName);
}
else
{
return;
}
}
else
{
//not enough file: Ask file from others
for (int i = 0; i < P2PFileIndexPool.Length; i++)
{
if (P2PFileIndexPool[i] == 0)
{
//没有此部分文件
MyDataGram Askdg = new MyDataGram();
Askdg.DstID = P2PFileIDList[i];
Askdg.SrcID = MyID;
Askdg.GroupFileID = mdg.GroupFileID;
Askdg.GroupID = mdg.GroupID;
Askdg.Text = mdg.Text;
Askdg.GroupFileIndex = i + 1;
Askdg.Type = MessageType.File;
Askdg.FileContent = P2pMyOriginalPart;
P2PCore_instance.SendData(MyDataGram.EncodeMessage(Askdg), friendIP, SendDataPort);
}
}
}
}
}
else
{
var question = "你收到来自: " + msg.SrcID + "的文件,确定接受嘛?";
MessageBoxResult rst = MessageBox.Show(question, "Get File!", MessageBoxButton.YesNo);
if (rst == MessageBoxResult.Yes)
{
//MessageBox.Show(msg.Content);
var folder_dir = "./" + msg.SrcID + "/";
if (!Directory.Exists(folder_dir))
{
Directory.CreateDirectory(folder_dir);
}
var FileFullName = folder_dir + mdg.Text;
FileStream fs = File.OpenWrite(FileFullName);
fs.Write(mdg.FileContent, 0, mdg.FileContent.Length);
fs.Close();
MessageBox.Show("接收文件成功,储存在: " + FileFullName);
if (mdg.Type == MessageType.Image)
{
mdg.Text = FileFullName;
}
}
else
{
return;
}
}
}
//询问
if (mdg.GroupID != null)
{
msg.Content = msg.SrcID + ": " + mdg.Text;
}
else
{
msg.Content = friendAlias + ": " + mdg.Text;
}
if (mdg.Type == MessageType.Image)
{
msg.Content = mdg.Text;
string fullpath = Path.GetFullPath(msg.Content);
msg.BitMapSource = new BitmapImage(new Uri(fullpath, UriKind.Absolute));
}
msg.SendTime = DateTime.Now.ToString();
ChattingMessageList.Add(msg);
ChattingWindowListBox.ScrollIntoView(msg);
}
private async void SendFile_MouseLeftButtonUpAsync(object sender, MouseButtonEventArgs e)
{
//MessageBox.Show("Send File called!");
//open dialog
OpenFileDialog filedlg = new OpenFileDialog
{
Title = "请选择要发送的文件",
CheckFileExists = true,
CheckPathExists = true,
Multiselect = false
};
if (filedlg.ShowDialog() == true)
{
Array.Clear(FileBuffer, 0, FileMaxSize);
string filename = filedlg.FileName;
FileInfo info = new FileInfo(filename);
if (info.Length > FileMaxSize)
{
MessageBox.Show("文件过大,支持最大文件: 16MB");
return;
}
//MessageBox.Show(filename);
if (friendID[0] == ' ')
{
//P2P文件传输
List <string> OnLineIDList = new List <string>();
List <string> OnLineIPList = new List <string>();
string GroupFileID = " ";
foreach (var id in GroupIDList)
{
if (id != MyID)
{
var temp = "q" + id;
var resp = CSCore_instance.Query(temp);
if (resp != "n")
{
//danger!
OnLineIDList.Add(id);
OnLineIPList.Add(resp);
GroupFileID += id + " ";
}
}
}
int TotalOnlineNum = OnLineIDList.Count();
if (TotalOnlineNum == 0)
{
MessageBox.Show("无人在线, 别发了吧...");
return;
}
//load file
string ShortName = Path.GetFileName(filename);
FileStream fs = File.OpenRead(filename);
int FileLength = await fs.ReadAsync(FileBuffer, 0, FileBuffer.Length);
var FullFile = new byte[FileLength];
Buffer.BlockCopy(FileBuffer, 0, FullFile, 0, FileLength);
//cut file
int flag = 0;
int filecutter = (int)Math.Floor((double)(FileLength / TotalOnlineNum));
for (int i = 0; i < TotalOnlineNum; i++)
{
var mdg = new MyDataGram();
mdg.SrcID = MyID;
mdg.DstID = OnLineIDList[i];
mdg.Text = ShortName;
mdg.Type = MessageType.File;
mdg.GroupFileIndex = i + 1;
mdg.GroupFileID = GroupFileID;
mdg.GroupID = friendID;
if (i == TotalOnlineNum - 1)
{
mdg.FileContent = new byte[FileLength - i * filecutter];
Buffer.BlockCopy(FullFile, i * filecutter, mdg.FileContent, 0, FileLength - i * filecutter);
}
else
{
mdg.FileContent = new byte[filecutter];
Buffer.BlockCopy(FullFile, i * filecutter, mdg.FileContent, 0, filecutter);
}
try
{
P2PCore_instance.SendData(MyDataGram.EncodeMessage(mdg), OnLineIPList[i], SendDataPort);
}
catch (Exception ex)
{
MessageBox.Show("发送失败!接收方: " + OnLineIDList[i]);
return;
}
ChattingMessage cmsg = new ChattingMessage();
cmsg.SrcID = MyID;
cmsg.DstID = friendID;
cmsg.CMType = mdg.Type;
cmsg.Content = ShortName;
cmsg.SendTime = DateTime.Now.ToString();
if (cmsg.CMType == MessageType.Image)
{
cmsg.BitMapSource = new BitmapImage(new Uri(filename, UriKind.Absolute));
}
if (flag == 0)
{
cmsg.hori = HorizontalAlignment.Right;
ChattingMessageList.Add(cmsg);
ChattingWindowListBox.ScrollIntoView(cmsg);
}
flag = 1;
}
}
else
{
var temp = "q" + friendID;
var resp = CSCore_instance.Query(temp);
if (resp == "n")
{
MessageBox.Show("当前好友不在线!");
this.Close();
return;
}
else
{
friendIP = resp;
}
string ShortName = Path.GetFileName(filename);
var mdg = new MyDataGram();
FileStream fs = File.OpenRead(filename);
int FileLength = await fs.ReadAsync(FileBuffer, 0, FileBuffer.Length);
mdg.SrcID = MyID;
mdg.DstID = friendID;
mdg.Text = ShortName;
mdg.Type = MessageType.File;
if (IsImage(filename))
{
mdg.Type = MessageType.Image;
}
mdg.FileContent = new byte[FileLength];
Buffer.BlockCopy(FileBuffer, 0, mdg.FileContent, 0, FileLength);
try
{
P2PCore_instance.SendData(MyDataGram.EncodeMessage(mdg), friendIP, SendDataPort);
}
catch (Exception ex)
{
MessageBox.Show("发送失败!");
return;
}
ChattingMessage cmsg = new ChattingMessage();
cmsg.SrcID = MyID;
cmsg.DstID = friendID;
cmsg.CMType = mdg.Type;
cmsg.Content = ShortName;
cmsg.SendTime = DateTime.Now.ToString();
if (cmsg.CMType == MessageType.Image)
{
cmsg.BitMapSource = new BitmapImage(new Uri(filename, UriKind.Absolute));
}
cmsg.hori = HorizontalAlignment.Right;
ChattingMessageList.Add(cmsg);
ChattingWindowListBox.ScrollIntoView(cmsg);
}
}
MessageBox.Show("文件成功发送!");
return;
}
