bool sendResponse(ToxResponse res, ToxId toxid)
{
string resContent = JsonConvert.SerializeObject(res);
int packageNum = resContent.Length / MAX_MSG_LENGTH + 1;
bool result = false;
for (int i = 0; i < packageNum; i++)
{
string mcontent = "";
if (i * MAX_MSG_LENGTH + MAX_MSG_LENGTH > resContent.Length)
{
mcontent = resContent.Substring(i * MAX_MSG_LENGTH);
}
else
{
mcontent = resContent.Substring(i * MAX_MSG_LENGTH, MAX_MSG_LENGTH);
}
result = sendMsg(toxid, JsonConvert.SerializeObject(new Package
{
uuid = res.uuid,
totalCount = packageNum,
currentCount = i,
content = mcontent,
}));
}
return(result);
}
public void GetBytes_Result_NotSameAsInput()
{
var id = new ToxId(this.validTestId);
var result = id.GetBytes();
Assert.AreNotSame(this.validTestId, result);
}
public new int AddFriend(ToxId id, string message)
{
var friendNumber = base.AddFriend(id, message);
FriendListChanged(friendNumber, FriendListChangedAction.Add);
return(friendNumber);
}
public bool sendResponse(ToxResponse res, ToxId toxid)
{
byte[] resContent = res.getBytes();
int packageNum = resContent.Length / MAX_MSG_LENGTH + 1;
bool result = false;
for (int i = 0; i < packageNum; i++)
{
byte[] mcontent;
if (i * MAX_MSG_LENGTH + MAX_MSG_LENGTH > resContent.Length)
{
mcontent = Utils.Utils.subArray(resContent, i * MAX_MSG_LENGTH);
}
else
{
mcontent = Utils.Utils.subArray(resContent, i * MAX_MSG_LENGTH, MAX_MSG_LENGTH);
}
result = sendMsg(toxid, new Package
{
uuid = res.uuid,
totalCount = packageNum,
currentCount = i,
content = mcontent,
totalSize = (uint)resContent.Length,
startIndex = (uint)(i * MAX_MSG_LENGTH),
}.toBytes());
}
return(result);
}
public async Task <bool> HandShake(ToxId target, int timeout = 20)
{
string reqid = Guid.NewGuid().ToString();
Utils.Utils.Log("Event: Start Handshake , ReqId: " + reqid, true);
Console.WriteLine("Event: Start Handshake , ReqId: " + reqid);
bool status;
var res = await sendRequest(target, new ToxRequest
{
url = "/handshake",
method = "get",
uuid = reqid,
fromNodeId = reqid,
fromToxId = tox.Id.ToString(),
toToxId = target.ToString(),
toNodeId = "",
time = Utils.Utils.UnixTimeNow(),
}, out status, timeout);
if (res == null)
{
Utils.Utils.Log("Event: Handshake Failed, ReqId: " + reqid, true);
Console.WriteLine("Event: Handshake failed, ReqId: " + reqid);
return(false);
}
else
{
Utils.Utils.Log("Event: Handshake Success, ReqId: " + reqid, true);
Console.WriteLine("Event: Handshake Success, ReqId: " + reqid);
return(true);
}
}
public ProfileViewModel(ToxDataInfo profile)
{
Name = profile.Name;
UserStatus = profile.Status;
StatusMessage = profile.StatusMessage;
ToxId = profile.Id;
}
public void GetBytes_Result_AreEqualAsInput()
{
var id = new ToxId(this.validTestId);
var result = id.GetBytes();
Assert.AreEqual(this.validTestId, result);
}
public LinkClient(SkynetAndroid.Base.SkynetAndroid mSkynet, string targetToxId, IPAddress ip, int port)
{
this.targetToxId = targetToxId;
this.ip = ip;
this.port = port;
serverToxId = new ToxId(targetToxId);
clientId = Guid.NewGuid().ToString();
this.mSkynet = mSkynet;
messageQueue = new Queue <ToxRequest>();
lastActiveTime = DateTime.UtcNow;
// send message to local loop
Task.Run(() =>
{
ToxRequest mReq;
// if idle for 600s, shutdown
while (runningFlag && (long)(DateTime.UtcNow - lastActiveTime).TotalMilliseconds < 600 * 1000)
{
mReq = getRequestToSend();
if (mReq != null && msgHandler != null)
{
lastActiveTime = DateTime.UtcNow;
msgHandler(mReq.content);
Utils.Log("Event: Received Message Complete, ClientId: " + clientId + ", MessageId: " + mReq.uuid);
var response = mReq.createResponse(Encoding.UTF8.GetBytes("OK"));
mSkynet.sendResponse(response, new ToxId(response.toToxId));
}
else
{
Thread.Sleep(1);
}
}
});
}
public bool sendMsg(ToxId toxid, string msg)
{
// check if this message is send to itself
if (toxid.ToString() == tox.Id.ToString())
{
return(false); // this is not allowed
}
// wait toxcore online
int maxOnlineWaitTime = 20000; // 20s
int onlineWaitCount = 0;
while (!tox.IsConnected)
{
Thread.Sleep(10);
onlineWaitCount += 10;
if (onlineWaitCount > maxOnlineWaitTime)
{
return(false);
}
}
ToxKey toxkey = toxid.PublicKey;
int friendNum = tox.GetFriendByPublicKey(toxkey);
if (friendNum == -1)
{
int res = tox.AddFriend(toxid, "add friend");
if (res != (int)ToxErrorFriendAdd.Ok)
{
return(false);
}
friendNum = tox.GetFriendByPublicKey(toxkey);
}
int waitCount = 0;
int maxCount = 500;
if (connectedList.IndexOf(toxkey.GetString()) == -1)
{
maxCount = 200 * 1000; // first time wait for 200s
}
while (tox.GetFriendConnectionStatus(friendNum) == ToxConnectionStatus.None && waitCount < maxCount)
{
if (waitCount % 1000 == 0)
{
Console.WriteLine("target is offline." + waitCount / 1000);
}
waitCount += 10;
Thread.Sleep(10);
}
if (waitCount == maxCount)
{
Console.WriteLine("Connect Failed");
connectedList.Remove(toxkey.GetString());
return(false);
}
connectedList.Add(toxkey.GetString());
int msgRes = tox.SendMessage(friendNum, msg, ToxMessageType.Message);
return(msgRes > 0);
}
public Task <ToxResponse> sendRequest(ToxId toxid, ToxRequest req, out bool status)
{
if (toxid.ToString() == tox.Id.ToString())
{
// request was sent to itself
status = true;
return(RequestProxy.sendRequest(this, req));
}
string reqContent = JsonConvert.SerializeObject(req);
int packageNum = reqContent.Length / MAX_MSG_LENGTH + 1;
bool res = false;
for (int i = 0; i < packageNum; i++)
{
string mcontent = "";
if (i * MAX_MSG_LENGTH + MAX_MSG_LENGTH > reqContent.Length)
{
mcontent = reqContent.Substring(i * MAX_MSG_LENGTH);
}
else
{
mcontent = reqContent.Substring(i * MAX_MSG_LENGTH, MAX_MSG_LENGTH);
}
res = sendMsg(toxid, JsonConvert.SerializeObject(new Package
{
uuid = req.uuid,
totalCount = packageNum,
currentCount = i,
content = mcontent,
}));
if (!res)
{
status = false;
return(Task.Factory.StartNew <ToxResponse>(() => {
return null;
}));
}
}
status = res;
bool isResponseReceived = false;
ToxResponse mRes = null;
if (res)
{
mPendingReqList.Add(req.uuid, (response) => {
isResponseReceived = true;
mRes = response;
});
}
return(Task.Factory.StartNew(() =>
{
while (!isResponseReceived)
{
Thread.Sleep(10);
}
return mRes;
}));
}
public int AddFriend(ToxId id, string message, out bool success)
{
ToxErrorFriendAdd error;
var retVal = _tox.AddFriend(id, message, out error);
ToxErrorViewModel.Instance.RelayError(error);
success = error == ToxErrorFriendAdd.Ok;
return(retVal);
}
public LinkClient(Skynet.Base.Skynet mSkynet, string targetToxId, IPAddress ip, int port)
{
this.targetToxId = targetToxId;
this.ip = ip;
this.port = port;
serverToxId = new ToxId(targetToxId);
clientId = Guid.NewGuid().ToString();
this.mSkynet = mSkynet;
}
public new int AddFriend(ToxId id, string message, out ToxErrorFriendAdd error)
{
var friendNumber = base.AddFriend(id, message, out error);
if (error == ToxErrorFriendAdd.Ok)
{
FriendListChanged(friendNumber, FriendListChangedAction.Add);
}
return(friendNumber);
}
public void TestToxId()
{
var tox = new Tox(ToxOptions.Default);
var toxId = new ToxId(tox.Id.PublicKey.GetBytes(), tox.Id.Nospam);
if (toxId != tox.Id)
{
Assert.Fail("Tox id's are not equal");
}
}
public bool sendMsgDebug(ToxId toxid, Package mPackage, int timeout = 20)
{
Utils.Utils.Log("Event: Start Send Msg Req ID: "
+ mPackage.uuid + " totalNum: " + mPackage.totalCount
+ " currentNum: " + mPackage.currentCount);
var res = sendMsg(toxid, mPackage.toBytes(), timeout);
Utils.Utils.Log("Event: End Send Msg Req ID: "
+ mPackage.uuid + " totalNum: " + mPackage.totalCount
+ " currentNum: " + mPackage.currentCount);
return(res);
}
public void sendRequestNoReplay(ToxId toxid, ToxRequest req, out bool status)
{
status = true;
try
{
if (toxid.ToString() == tox.Id.ToString())
{
// request was sent to itself
status = true;
}
}
catch (ObjectDisposedException)
{
status = false;
return;
}
byte[] reqContent = req.getBytes();
int packageNum = reqContent.Length / MAX_MSG_LENGTH + 1;
bool res = false;
for (int i = 0; i < packageNum; i++)
{
byte[] mcontent = null;
if (i * MAX_MSG_LENGTH + MAX_MSG_LENGTH > reqContent.Length)
{
mcontent = Utils.Utils.subArray(reqContent, i * MAX_MSG_LENGTH);
}
else
{
mcontent = Utils.Utils.subArray(reqContent, i * MAX_MSG_LENGTH, MAX_MSG_LENGTH);
}
res = sendMsg(toxid, new Package
{
uuid = req.uuid,
totalCount = packageNum,
currentCount = i,
content = mcontent,
totalSize = (uint)reqContent.Length,
startIndex = (uint)(i * MAX_MSG_LENGTH),
}.toBytes());
if (!res)
{
status = false;
}
}
}
public async Task <NodeResponse> Get(string id)
{
Skynet curHost = Skynet.allInstance.Where(x => x.httpPort == Request.RequestUri.Port).FirstOrDefault();
if (!ToxId.IsValid(id))
{
return(new NodeResponse
{
statusCode = NodeResponseCode.InvalidRequest,
description = "your tox id is invalid",
});
}
// check if target tox client is local client
if (curHost.tox.Id.ToString() == id)
{
// list all nodes on target tox client
return(new NodeResponse
{
statusCode = NodeResponseCode.OK,
description = "success",
value = JsonConvert.SerializeObject(new ToxClient
{
Id = id,
nodes = Node.AllLocalNodes.Select(x => x.getInfo()).ToList()
})
});
}
// if not, send tox req to target tox client
bool reqStatus = false;
ToxResponse nodeResponse = await curHost.sendRequest(new ToxId(id), RequestProxy.toNodeRequest(Request), out reqStatus);
if (nodeResponse != null)
{
return(JsonConvert.DeserializeObject <NodeResponse>(Encoding.UTF8.GetString(nodeResponse.content)));
}
else
{
return new NodeResponse
{
statusCode = NodeResponseCode.NotFound,
description = "target does not exist or target is current offline",
}
};
}
public void IsValid_InvalidId_IsFalse()
{
var result = ToxId.IsValid(this.invalidTestId);
Assert.IsFalse(result);
}
public Task <ToxResponse> sendRequest(ToxId toxid, ToxRequest req, out bool status, int timeout = 200)
{
try
{
if (toxid.ToString() == tox.Id.ToString())
{
// request was sent to itself
status = true;
return(RequestProxy.sendRequest(this, req));
}
}
catch (ObjectDisposedException)
{
status = false;
return(Task.Factory.StartNew <ToxResponse>(() =>
{
return null;
}, TaskCreationOptions.LongRunning));
}
byte[] reqContent = req.getBytes();
int packageNum = reqContent.Length / MAX_MSG_LENGTH + 1;
bool res = false;
ToxResponse mRes = null;
object reslock = new object();
bool resFlag = false;
lock (mPendingReqLock)
{
mPendingReqList.Add(req.uuid, (response) =>
{
mRes = response;
lock (reslock)
{
resFlag = true;
Utils.Utils.Log("Event: Callback called, ReqId: " + req.uuid);
Monitor.PulseAll(reslock);
Utils.Utils.Log("Event: Pulse Lock, ReqId: " + req.uuid);
}
});
}
for (int i = 0; i < packageNum; i++)
{
byte[] mcontent;
if (i * MAX_MSG_LENGTH + MAX_MSG_LENGTH > reqContent.Length)
{
mcontent = Utils.Utils.subArray(reqContent, i * MAX_MSG_LENGTH);
}
else
{
mcontent = Utils.Utils.subArray(reqContent, i * MAX_MSG_LENGTH, MAX_MSG_LENGTH);
}
res = sendMsgDebug(toxid, new Package
{
uuid = req.uuid,
totalCount = packageNum,
currentCount = i,
content = mcontent,
totalSize = (uint)reqContent.Length,
startIndex = (uint)(i * MAX_MSG_LENGTH),
}, timeout);
if (!res)
{
status = false;
return(Task.Factory.StartNew <ToxResponse>(() =>
{
lock (mPendingReqLock)
{
mPendingReqList.Remove(req.uuid);
}
return null;
}, TaskCreationOptions.LongRunning));
}
}
status = res;
Utils.Utils.Log("Event: return async, ReqId: " + req.uuid);
return(Task.Factory.StartNew(() =>
{
Task.Run(() =>
{
// timeout count thread
int timeoutCount = 0;
while (timeoutCount < timeout * 1000)
{
Thread.Sleep(1);
timeoutCount += 1;
lock (mPendingReqLock)
{
if (!mPendingReqList.Keys.Contains(req.uuid))
{
// already received response
return;
}
}
}
Console.WriteLine(Utils.Utils.UnixTimeNow() + " Timeout Happends ReqId: " + req.uuid);
lock (mPendingReqLock)
{
if (mPendingReqList.Keys.Contains(req.uuid))
{
mRes = null;
mPendingReqList.Remove(req.uuid);
lock (reslock)
{
resFlag = true;
Utils.Utils.Log("Event: Callback Timeout, ReqId: " + req.uuid);
Monitor.PulseAll(reslock);
Utils.Utils.Log("Event: Pulse Lock, ReqId: " + req.uuid);
}
}
}
});
Utils.Utils.Log("Event: Response locked, ReqId: " + req.uuid);
lock (reslock)
{
while (!resFlag)
{
Monitor.Wait(reslock);
}
}
Utils.Utils.Log("Event: Response unlocked, ReqId: " + req.uuid);
return mRes;
}, TaskCreationOptions.LongRunning));
}
public bool sendMsg(ToxId toxid, byte[] msg, int timeout = 20)
{
try
{
lock (sendLock)
{
// check if this message is send to itself
if (toxid.ToString() == tox.Id.ToString())
{
return(false); // this is not allowed
}
// wait toxcore online
int maxOnlineWaitTime = 200000; // 200s
int onlineWaitCount = 0;
while (!tox.IsConnected)
{
Thread.Sleep(10);
onlineWaitCount += 10;
if (onlineWaitCount > maxOnlineWaitTime)
{
return(false);
}
}
ToxKey toxkey = toxid.PublicKey;
int friendNum = tox.GetFriendByPublicKey(toxkey);
if (friendNum == -1)
{
int res = tox.AddFriend(toxid, "add friend");
if (res != (int)ToxErrorFriendAdd.Ok)
{
return(false);
}
friendNum = tox.GetFriendByPublicKey(toxkey);
}
if (tox.GetFriendConnectionStatus(friendNum) == ToxConnectionStatus.None)
{
return(false);
}
var mesError = new ToxErrorFriendCustomPacket();
// retry send message
int retryCount = 0;
while (retryCount < 60)
{
byte[] msgToSend = new byte[msg.Length + 1];
msgToSend[0] = 170; // The first byte must be in the range 160-191.
msg.CopyTo(msgToSend, 1);
bool msgRes = tox.FriendSendLosslessPacket(friendNum, msgToSend, out mesError);
if (msgRes)
{
break;
}
Utils.Utils.Log("Event: " + mesError, true);
Console.WriteLine(Utils.Utils.UnixTimeNow() + " Event: " + mesError);
if (mesError == ToxErrorFriendCustomPacket.SendQ)
{
Thread.Sleep(20);
continue;
}
retryCount++;
Thread.Sleep(100);
}
if (retryCount == 60)
{
tox.DeleteFriend(friendNum);
return(false);
}
return(true);
}
}
catch (Exception e)
{
Utils.Utils.Log(e.StackTrace, true);
return(false);
}
}
public void IsValid_ValidIdString_IsTrue()
{
var result = ToxId.IsValid(ToxTools.HexBinToString(this.validTestId));
Assert.IsTrue(result);
}
public bool sendMsg(ToxId toxid, byte[] msg)
{
lock (sendLock) {
// check if this message is send to itself
if (toxid.ToString() == tox.Id.ToString())
{
return(false); // this is not allowed
}
// wait toxcore online
int maxOnlineWaitTime = 20000; // 20s
int onlineWaitCount = 0;
while (!tox.IsConnected)
{
Thread.Sleep(10);
onlineWaitCount += 10;
if (onlineWaitCount > maxOnlineWaitTime)
{
return(false);
}
}
ToxKey toxkey = toxid.PublicKey;
int friendNum = tox.GetFriendByPublicKey(toxkey);
if (friendNum == -1)
{
int res = tox.AddFriend(toxid, "add friend");
if (res != (int)ToxErrorFriendAdd.Ok)
{
return(false);
}
friendNum = tox.GetFriendByPublicKey(toxkey);
}
int waitCount = 0;
int maxCount = 500;
if (connectedList.IndexOf(toxkey.GetString()) == -1)
{
maxCount = 200 * 1000; // first time wait for 200s
}
while (tox.GetFriendConnectionStatus(friendNum) == ToxConnectionStatus.None && waitCount < maxCount)
{
if (waitCount % 1000 == 0)
{
Utils.Utils.LogUtils("Event: target is offline " + waitCount / 1000);
}
waitCount += 10;
Thread.Sleep(10);
}
if (waitCount == maxCount)
{
Utils.Utils.LogUtils("Event: Connect Failed");
connectedList.Remove(toxkey.GetString());
return(false);
}
if (connectedList.IndexOf(toxkey.GetString()) == -1)
{
connectedList.Add(toxkey.GetString());
}
var mesError = new ToxErrorFriendCustomPacket();
// retry send message
int retryCount = 0;
while (retryCount < 10)
{
byte[] msgToSend = new byte[msg.Length + 1];
msgToSend [0] = 170; // The first byte must be in the range 160-191.
msg.CopyTo(msgToSend, 1);
bool msgRes = tox.FriendSendLosslessPacket(friendNum, msgToSend, out mesError);
if (msgRes)
{
break;
}
Utils.Utils.LogUtils("Event: " + mesError);
if (mesError == ToxErrorFriendCustomPacket.SendQ)
{
Thread.Sleep(10);
continue;
}
retryCount++;
Thread.Sleep(100);
}
if (retryCount == 10)
{
return(false);
}
return(true);
}
}
public int AddFriend(ToxId id, string message, out bool success)
{
success = true;
return(0);
}
private async void ButtonAddFriend_Click(object sender, RoutedEventArgs e)
{
string id = TextBoxFriendId.Text.Trim();
string message = TextBoxMessage.Text.Trim();
if (string.IsNullOrEmpty(id))
{
ShowError("The Tox ID field is empty.");
return;
}
if (string.IsNullOrEmpty(message))
{
message = (string)TextBoxMessage.Tag;
}
if (Config.Instance.EnableToxDns && id.Contains("@"))
{
//try resolving 3 times
for (int tries = 0; tries < 3; tries++)
{
try
{
string toxId = DnsUtils.DiscoverToxID(id, Config.Instance.NameServices, !Config.Instance.AllowPublicKeyLookups, !Config.Instance.AllowTox1Lookups);
if (!string.IsNullOrEmpty(toxId))
{
//show the tox id to the user before actually adding it to the friend list
TextBoxFriendId.Text = toxId;
return;
}
}
catch (Exception ex)
{
Debugging.Write(string.Format("Could not resolve {0}: {1}", id, ex.Message));
}
}
//if we got this far the discovery must have failed
ShowError("Could not resolve tox username.");
return;
}
if (!ToxId.IsValid(id))
{
ShowError("The entered Tox ID is invalid.");
return;
}
var error = ToxErrorFriendAdd.Ok;
int friendNumber = ProfileManager.Instance.Tox.AddFriend(new ToxId(id), message, out error);
if (error != ToxErrorFriendAdd.Ok)
{
ShowError(error.ToString());
return;
}
var model = new FriendControlViewModel(MainWindow.Instance.ViewModel.CurrentFriendListView);
model.ChatNumber = friendNumber;
model.Name = id;
model.StatusMessage = "Friend request sent";
MainWindow.Instance.ViewModel.CurrentFriendListView.AddObject(model);
MainWindow.Instance.ViewModel.CurrentFriendListView.SortObject(model);
MainWindow.Instance.ViewModel.CurrentFriendListView.SelectObject(model);
await ProfileManager.Instance.SaveAsync();
}
public FriendAddViewModel(Tox tox)
{
if (tox == null)
{
throw new ArgumentNullException(nameof(tox));
}
this.Add = ReactiveCommand.Create(() => tox.AddFriend(new ToxId(this.ID), this.Message, out _), this.WhenAnyValue(x => x.ID, (string id) => ToxId.IsValid(id)));
}
public void Connect(string[] args)
{
if (args.Length != 4 && args.Length != 0)
{
Console.WriteLine("usage: SharpLink [local_port] [target_tox_id] [target_ip] [target_port]");
return;
}
// 线程监控程序
Task.Run(() =>
{
while (runningFlag)
{
int workerThreads, completionPortThreads;
ThreadPool.GetAvailableThreads(out workerThreads, out completionPortThreads);
int workerThreadsMax, completionPortThreadsMax;
ThreadPool.GetMaxThreads(out workerThreadsMax, out completionPortThreadsMax);
int workerThreadsMin, completionPortThreadsMin;
ThreadPool.GetMinThreads(out workerThreadsMin, out completionPortThreadsMin);
ThreadPool.SetMinThreads(workerThreadsMax - workerThreads + 40, workerThreadsMax - workerThreads + 40);
Utils.Log("CurrentThreads: " + (workerThreadsMax - workerThreads), true);
Thread.Sleep(2000);
}
});
if (args.Length == 4)
{
if (localPort == Convert.ToInt32(args[0]) && targetToxId == args[1] && targetIP == args[2] && targetPort == Convert.ToInt32(args[3]))
{
// already started
return;
}
localPort = Convert.ToInt32(args[0]);
targetToxId = args[1];
targetIP = args[2];
targetPort = Convert.ToInt32(args[3]);
if (!ToxId.IsValid(targetToxId))
{
Console.WriteLine("not a valid id");
Console.WriteLine("usage: SharpLink [local_port] [target_tox_id] [target_ip] [target_port]");
return;
}
// start check connection task
Task.Run(() =>
{
while (runningFlag)
{
bool IsConnected = mSkynet.HandShake(new ToxId(targetToxId)).GetAwaiter().GetResult();
if (!IsConnected)
{
var toxid = new ToxId(targetToxId);
ToxKey toxkey = toxid.PublicKey;
int friendNum = mSkynet.tox.GetFriendByPublicKey(toxkey);
if (friendNum != -1)
{
mSkynet.tox.DeleteFriend(friendNum);
Utils.Log("Event: can not connect, resend friend request");
}
mSkynet.HandShake(new ToxId(targetToxId)).GetAwaiter().GetResult();
}
Thread.Sleep(60 * 1000);
}
});
// create local socket server
IPAddress ip = IPAddress.Parse("0.0.0.0");
var serverSocket = new Socket(AddressFamily.InterNetwork, SocketType.Stream, ProtocolType.Tcp);
serverSocket.Bind(new IPEndPoint(ip, localPort));
serverSocket.Listen(1000);
Task.Factory.StartNew(() =>
{
while (runningFlag)
{
Utils.Log("Event: Waiting socket");
List <byte> tempData = new List <byte>();
Socket clientSocket = serverSocket.Accept();
Task.Factory.StartNew(() =>
{
bool closeFlag = false;
LinkClient mlink = null;
string tempConnectId = Guid.NewGuid().ToString();
Task.Factory.StartNew(() =>
{
while (runningFlag)
{
byte[] buf = new byte[1024 * 512];
try
{
int size = 0;
if (clientSocket != null && clientSocket.Connected)
{
size = clientSocket.Receive(buf);
}
else
{
break;
}
if (mlink == null)
{
tempData.AddRange(buf.Take(size));
}
if (size == 0)
{
// socket closed
if (mlink != null)
{
mlink.CloseRemote();
mlink.Close();
}
if (!closeFlag && clientSocket.Connected)
{
closeFlag = true;
try
{
clientSocket.Shutdown(SocketShutdown.Both);
}
catch (SocketException ex)
{
Utils.Log("Event ERROR: " + ex.Message);
}
clientSocket.Close();
if (mlink != null)
{
Utils.Log("Event: Close Connection, ClientId: " + mlink.clientId + ", ConnectId: " + tempConnectId);
}
else
{
Utils.Log("Event: Close Connection, ClinetId: null" + ", ConnectId: " + tempConnectId);
}
}
break;
}
if (mlink != null)
{
var res = mlink.Send(buf, size);
if (!res && !closeFlag && clientSocket.Connected)
{
closeFlag = true;
try
{
clientSocket.Shutdown(SocketShutdown.Both);
}
catch (SocketException ex)
{
Utils.Log("Event ERROR: " + ex.Message);
}
clientSocket.Close();
mlink.CloseRemote();
mlink.Close();
Utils.Log("Event: Tox send message failed, ClientId: " + mlink.clientId + ", ConnectId: " + tempConnectId);
Utils.Log("Event: Close Connection, ClientId: " + mlink.clientId + ", ConnectId: " + tempConnectId);
break;
}
}
}
catch (Exception e)
{
Utils.Log("Event: ERROR " + e.Message);
Utils.Log(e.StackTrace);
if (mlink != null)
{
mlink.CloseRemote();
mlink.Close();
}
if (!closeFlag && clientSocket.Connected)
{
closeFlag = true;
try
{
clientSocket.Shutdown(SocketShutdown.Both);
}
catch (SocketException ex)
{
Utils.Log("Event ERROR: " + ex.Message);
}
clientSocket.Close();
if (mlink != null)
{
Utils.Log("Event: Close Connection, ClientId: " + mlink.clientId + ", ConnectId: " + tempConnectId);
}
else
{
Utils.Log("Event: Close Connection, ClinetId: null" + ", ConnectId: " + tempConnectId);
}
}
break;
}
}
}, TaskCreationOptions.LongRunning).ForgetOrThrow();
mlink = LinkClient.Connect(mSkynet, targetToxId, IPAddress.Parse(targetIP), targetPort,
// message handler
(msg) =>
{
try
{
if (clientSocket != null && clientSocket.Connected)
{
clientSocket.Send(msg, SocketFlags.None);
}
}
catch (Exception e)
{
Utils.Log("ERROR " + e.Message);
Utils.Log(e.StackTrace);
mlink.CloseRemote();
mlink.Close();
if (!closeFlag && clientSocket.Connected)
{
closeFlag = true;
try
{
clientSocket.Shutdown(SocketShutdown.Both);
}
catch (SocketException ex)
{
Utils.Log("Event ERROR: " + ex.Message);
}
clientSocket.Close();
Utils.Log("Event: Close Connection, ClientId: " + mlink.clientId + ", ConnectId: " + tempConnectId);
}
}
},
// close handler
() =>
{
if (!closeFlag && clientSocket.Connected)
{
closeFlag = true;
try
{
clientSocket.Shutdown(SocketShutdown.Both);
}
catch (SocketException ex)
{
Utils.Log("Event ERROR: " + ex.Message);
}
clientSocket.Close();
Utils.Log("Event: Close Connection, ClientId: " + mlink.clientId + ", ConnectId: " + tempConnectId);
}
}
);
if (mlink == null)
{
// connected failed
Utils.Log("Event: Connected failed, ClientId: null" + ", ConnectId: " + tempConnectId);
if (!closeFlag && clientSocket.Connected)
{
closeFlag = true;
try
{
clientSocket.Shutdown(SocketShutdown.Both);
}
catch (SocketException ex)
{
Utils.Log("Event ERROR: " + ex.Message);
}
clientSocket.Close();
Utils.Log("Event: Close Connection, ClientId: null" + ", ConnectId: " + tempConnectId);
}
return;
}
if (tempData.Count != 0)
{
mlink.Send(tempData.ToArray(), tempData.Count);
}
// check if socket has closed
if (closeFlag)
{
// socket has closed
Utils.Log("Event: Close Remote, ClientId: " + mlink.clientId + ", ConnectId: " + tempConnectId);
mlink.CloseRemote();
mlink.Close();
}
}, TaskCreationOptions.LongRunning).ForgetOrThrow();
}
}, TaskCreationOptions.LongRunning).ForgetOrThrow();
}
mSkynet.addNewReqListener("", (req) =>
{
// handle
if (req.toNodeId == "" && req.url == "/connect")
{
Utils.Log("Event: Task Connect to " + req.fromNodeId + ", MessageId: " + req.uuid);
Task.Factory.StartNew(() =>
{
// connect to server received, create sockets
Utils.Log("Event: Task Started Connect to " + req.fromNodeId);
try
{
string reqStr = Encoding.UTF8.GetString(req.content);
string ipstr = reqStr.Split('\n')[0];
string port = reqStr.Split('\n')[1];
Utils.Log("Event: Connect to " + ipstr + " " + port + " " + req.fromNodeId);
IPAddress targetIp = IPAddress.Parse(ipstr);
Socket mClientSocket = new Socket(AddressFamily.InterNetwork, SocketType.Stream, ProtocolType.Tcp);
bool closeFlag = false;
mClientSocket.Connect(new IPEndPoint(targetIp, Convert.ToInt32(port)));
Utils.Log("Event: Connect to " + ipstr + " " + port + " Success " + req.fromNodeId);
var mlink = LinkClient.Connect(mSkynet, req.fromToxId, req.fromNodeId);
req.toNodeId = mlink.clientId;
Utils.Log("Event: Connect to " + ipstr + " " + port + " Success " + req.fromNodeId + " , mLinkID: " + mlink.clientId);
mlink.OnMessage((msg) =>
{
try
{
Utils.Log("Event: Start Write Message, mLinkID: " + mlink.clientId);
if (mClientSocket != null && mClientSocket.Connected)
{
mClientSocket.Send(msg, SocketFlags.None);
}
Utils.Log("Event: Write Message Success, mLinkID: " + mlink.clientId);
}
catch (Exception e)
{
Utils.Log("Event: ERROR " + e.Message);
Utils.Log(e.StackTrace);
mlink.CloseRemote();
mlink.Close();
if (!closeFlag && mClientSocket.Connected)
{
closeFlag = true;
try
{
mClientSocket.Shutdown(SocketShutdown.Both);
}
catch (SocketException ex)
{
Utils.Log("Event: " + ex.Message);
}
mClientSocket.Close();
Utils.Log("Event: Close Socket" + ipstr + " " + port + " mLinkID " + mlink.clientId);
}
}
});
mlink.OnClose(() =>
{
if (!closeFlag && mClientSocket.Connected)
{
closeFlag = true;
try
{
mClientSocket.Shutdown(SocketShutdown.Both);
}
catch (SocketException ex)
{
Utils.Log("Event: " + ex.Message);
}
mClientSocket.Close();
Utils.Log("Event: Close Socket" + ipstr + " " + port + " mLinkID " + mlink.clientId);
}
});
// send response after all handler has been set
mSkynet.sendResponse(req.createResponse(Encoding.UTF8.GetBytes("OK")), new ToxId(req.fromToxId));
Task.Factory.StartNew(() =>
{
while (runningFlag)
{
byte[] buf = new byte[1024 * 512];
try
{
Utils.Log("Event: Start Read Data, Clientid: " + mlink.clientId);
int size = 0;
if (mClientSocket != null && mClientSocket.Connected)
{
size = mClientSocket.Receive(buf);
}
else
{
Utils.Log("Event: Socket already closed" + ipstr + " " + port + " mLinkID " + mlink.clientId);
break;
}
if (size == 0)
{
if (!closeFlag && mClientSocket.Connected)
{
Utils.Log("Event: Close Connection, Clientid: " + mlink.clientId);
closeFlag = true;
try
{
mClientSocket.Shutdown(SocketShutdown.Both);
}
catch (SocketException ex)
{
Utils.Log("Event: " + ex.Message);
}
mClientSocket.Close();
}
mlink.CloseRemote();
mlink.Close();
break;
}
else
{
Utils.Log("Event: Read Data " + size + ", Clientid: " + mlink.clientId);
}
var res = mlink.Send(buf, size);
if (!res)
{
// send failed
if (!closeFlag && mClientSocket.Connected)
{
closeFlag = true;
try
{
mClientSocket.Shutdown(SocketShutdown.Both);
}
catch (SocketException ex)
{
Utils.Log("Event: " + ex.Message);
}
mClientSocket.Close();
mlink.Close();
Utils.Log("Event: Tox send message failed, Clientid: " + mlink.clientId);
break;
}
}
}
catch (Exception e)
{
/*if (e.ErrorCode != 10004) // this is not an error
* {
* Console.WriteLine("Time: " + Utils.UnixTimeNow() + " Event: ERROR " + e.Message);
* Console.WriteLine(e.StackTrace);
* }*/
Utils.Log("Event: ERROR " + e.Message);
Utils.Log(e.StackTrace);
mlink.CloseRemote();
mlink.Close();
if (!closeFlag && mClientSocket.Connected)
{
closeFlag = true;
try
{
mClientSocket.Shutdown(SocketShutdown.Both);
}
catch (SocketException ex)
{
Utils.Log("Event: " + ex.Message);
}
mClientSocket.Close();
Utils.Log("Event: Close Connection, ClientId: " + mlink.clientId);
}
break;
}
}
}, TaskCreationOptions.LongRunning).ForgetOrThrow();
Utils.Log("Event: Connect to " + ipstr + " " + port + " All Success " + req.fromNodeId + ", mLinkID: " + mlink.clientId);
}
catch (Exception e)
{
Utils.Log("Event: ERROR " + e.Message);
Utils.Log(e.StackTrace);
// connected failed
string reqStr = Encoding.UTF8.GetString(req.content);
string ipstr = reqStr.Split('\n')[0];
string port = reqStr.Split('\n')[1];
Utils.Log("Event: Connect to " + ipstr + " " + port + " failed");
var response = req.createResponse(Encoding.UTF8.GetBytes("failed"));
mSkynet.sendResponse(response, new ToxId(response.toToxId));
}
}, TaskCreationOptions.LongRunning).ForgetOrThrow();
}
else if (req.toNodeId == "" && req.url == "/handshake")
{
var response = req.createResponse(Encoding.UTF8.GetBytes("OK"));
Utils.Log("Event: HandShake from " + response.toToxId + ", MessageID: " + req.uuid, true);
Utils.Log("Event: Send HandShake response " + response.uuid + ", ToxId: " + response.toToxId, true);
Console.WriteLine("Event: HandShake from " + response.toToxId + ", MessageID: " + req.uuid);
mSkynet.sendResponse(response, new ToxId(response.toToxId));
}
});
while (runningFlag)
{
Thread.Sleep(10);
}
mSkynet.stop();
}
public void IsValid_ValidId_IsTrue()
{
var result = ToxId.IsValid(this.validTestId);
Assert.IsTrue(result);
}
private static void Main(string[] args)
{
if (args.Length != 4 && args.Length != 0)
{
Console.WriteLine("usage: SharpLink [local_port] [target_tox_id] [target_ip] [target_port]");
return;
}
Skynet.Base.Skynet mSkynet = null;
string exeDir = Path.GetDirectoryName(Assembly.GetExecutingAssembly().Location);
string AppDataFolder = Environment.GetFolderPath(Environment.SpecialFolder.ApplicationData);
string toxFolder = Path.Combine(AppDataFolder, "ToxTunnel");
string toxFile = Path.Combine(toxFolder, "tox.dat");
//Directory.SetCurrentDirectory(exeDir);
if (args.Length == 0)
{
// log to file
Utils.setLogFile("toxtunnel_server.log");
}
else
{
// log to file
Utils.setLogFile("toxtunnel_client.log");
}
// Save tox data for server
if (args.Length == 0 && File.Exists(toxFile))
{
mSkynet = new Skynet.Base.Skynet(toxFile);
}
else if (args.Length == 0 && !File.Exists(toxFile))
{
mSkynet = new Skynet.Base.Skynet();
mSkynet.Save(toxFile);
}
else
{
mSkynet = new Skynet.Base.Skynet();
}
// 线程监控程序
Task.Run(() =>
{
while (runningFlag)
{
int workerThreads, completionPortThreads;
ThreadPool.GetAvailableThreads(out workerThreads, out completionPortThreads);
int workerThreadsMax, completionPortThreadsMax;
ThreadPool.GetMaxThreads(out workerThreadsMax, out completionPortThreadsMax);
int workerThreadsMin, completionPortThreadsMin;
ThreadPool.GetMinThreads(out workerThreadsMin, out completionPortThreadsMin);
ThreadPool.SetMinThreads(workerThreadsMax - workerThreads + 40, workerThreadsMax - workerThreads + 40);
Thread.Sleep(2000);
}
});
if (args.Length == 4)
{
string localPort = args[0];
string targetToxId = args[1];
string targetIP = args[2];
int targetPort = Convert.ToInt32(args[3]);
if (!ToxId.IsValid(targetToxId))
{
Console.WriteLine("not a valid id");
Console.WriteLine("usage: SharpLink [local_port] [target_tox_id] [target_ip] [target_port]");
return;
}
// 连接维护程序
Task.Run(() =>
{
int disconnectCount = 0;
while (runningFlag)
{
IsConnected = mSkynet.HandShake(new ToxId(targetToxId)).GetAwaiter().GetResult();
if (!IsConnected)
{
var toxid = new ToxId(targetToxId);
ToxKey toxkey = toxid.PublicKey;
int friendNum = mSkynet.tox.GetFriendByPublicKey(toxkey);
if (friendNum != -1 && disconnectCount > 15)
{ // wait 150s
Utils.Log("delete friend " + targetToxId);
Console.WriteLine("delete friend " + targetToxId);
disconnectCount = 0;
mSkynet.DeleteFriend(friendNum);
}
disconnectCount += 1;
}
else
{
disconnectCount = 0;
}
Thread.Sleep(10 * 1000);
}
});
// create local socket server
IPAddress ip = IPAddress.Parse("0.0.0.0");
var serverSocket = new Socket(AddressFamily.InterNetwork, SocketType.Stream, ProtocolType.Tcp);
serverSocket.Bind(new IPEndPoint(ip, Convert.ToInt32(localPort)));
serverSocket.Listen(1000);
Task.Factory.StartNew(() =>
{
while (true)
{
Utils.Log("Event: Waiting socket");
List <byte> tempData = new List <byte>();
Socket clientSocket = serverSocket.Accept();
Task.Factory.StartNew(() =>
{
bool closeFlag = false;
LinkClient mlink = null;
string tempConnectId = Guid.NewGuid().ToString();
Task.Factory.StartNew(async() =>
{
Task <ToxResponse> sendTask = null;
ToxResponse sendRes = null;
while (true)
{
byte[] buf = new byte[32 * 1024];
try
{
int size = 0;
if (clientSocket != null && clientSocket.Connected)
{
size = clientSocket.Receive(buf);
}
else
{
break;
}
if (mlink == null)
{
tempData.AddRange(buf.Take(size));
}
if (size == 0)
{
// socket closed
if (mlink != null)
{
mlink.CloseRemote();
mlink.Close();
}
if (!closeFlag && clientSocket.Connected)
{
closeFlag = true;
try
{
clientSocket.Shutdown(SocketShutdown.Both);
}
catch (SocketException ex)
{
Utils.Log("Event ERROR: " + ex.Message);
}
clientSocket.Close();
if (mlink != null)
{
Utils.Log("Event: Close Connection, ClientId: " + mlink.clientId + ", ConnectId: " + tempConnectId);
}
else
{
Utils.Log("Event: Close Connection, ClinetId: null" + ", ConnectId: " + tempConnectId);
}
}
break;
}
if (mlink != null)
{
if (sendTask != null)
{
sendRes = await sendTask;
}
if (sendTask != null && sendRes == null && !closeFlag && clientSocket.Connected)
{
closeFlag = true;
try
{
clientSocket.Shutdown(SocketShutdown.Both);
}
catch (SocketException ex)
{
Utils.Log("Event ERROR: " + ex.Message);
}
clientSocket.Close();
mlink.CloseRemote();
mlink.Close();
Utils.Log("Event: Tox send message failed, ClientId: " + mlink.clientId + ", ConnectId: " + tempConnectId);
Utils.Log("Event: Close Connection, ClientId: " + mlink.clientId + ", ConnectId: " + tempConnectId);
break;
}
Utils.Log("Event: LinkClient Start Send Data");
sendTask = mlink.SendAsync(buf, size);
Utils.Log("Event: LinkClient Stop Send Data");
}
}
catch (Exception e)
{
Utils.Log("Event: ERROR " + e.Message);
Utils.Log(e.StackTrace);
if (mlink != null)
{
mlink.CloseRemote();
mlink.Close();
}
if (!closeFlag && clientSocket.Connected)
{
closeFlag = true;
try
{
clientSocket.Shutdown(SocketShutdown.Both);
}
catch (SocketException ex)
{
Utils.Log("Event ERROR: " + ex.Message);
}
clientSocket.Close();
if (mlink != null)
{
Utils.Log("Event: Close Connection, ClientId: " + mlink.clientId + ", ConnectId: " + tempConnectId);
}
else
{
Utils.Log("Event: Close Connection, ClinetId: null" + ", ConnectId: " + tempConnectId);
}
}
break;
}
}
}, TaskCreationOptions.LongRunning).ForgetOrThrow();
mlink = LinkClient.Connect(mSkynet, targetToxId, IPAddress.Parse(targetIP), Convert.ToInt32(targetPort),
// message handler
(msg) =>
{
try
{
if (clientSocket != null && clientSocket.Connected)
{
clientSocket.Send(msg, SocketFlags.None);
}
}
catch (Exception e)
{
Utils.Log("ERROR " + e.Message);
Utils.Log(e.StackTrace);
mlink.CloseRemote();
mlink.Close();
if (!closeFlag && clientSocket.Connected)
{
closeFlag = true;
try
{
clientSocket.Shutdown(SocketShutdown.Both);
}
catch (SocketException ex)
{
Utils.Log("Event ERROR: " + ex.Message);
}
clientSocket.Close();
Utils.Log("Event: Close Connection, ClientId: " + mlink.clientId + ", ConnectId: " + tempConnectId);
}
}
},
// close handler
() =>
{
if (!closeFlag && clientSocket.Connected)
{
closeFlag = true;
try
{
clientSocket.Shutdown(SocketShutdown.Both);
}
catch (SocketException ex)
{
Utils.Log("Event ERROR: " + ex.Message);
}
clientSocket.Close();
Utils.Log("Event: Close Connection, ClientId: " + mlink.clientId + ", ConnectId: " + tempConnectId);
}
}
);
if (mlink == null)
{
// connected failed
Utils.Log("Event: Connected failed, ClientId: null" + ", ConnectId: " + tempConnectId);
if (!closeFlag && clientSocket.Connected)
{
closeFlag = true;
try
{
clientSocket.Shutdown(SocketShutdown.Both);
}
catch (SocketException ex)
{
Utils.Log("Event ERROR: " + ex.Message);
}
clientSocket.Close();
Utils.Log("Event: Close Connection, ClientId: null" + ", ConnectId: " + tempConnectId);
}
return;
}
if (tempData.Count != 0)
{
mlink.Send(tempData.ToArray(), tempData.Count);
}
// check if socket has closed
if (closeFlag)
{
// socket has closed
Utils.Log("Event: Close Remote, ClientId: " + mlink.clientId + ", ConnectId: " + tempConnectId);
mlink.CloseRemote();
mlink.Close();
}
}, TaskCreationOptions.LongRunning).ForgetOrThrow();
}
}, TaskCreationOptions.LongRunning).ForgetOrThrow();
}
mSkynet.addNewReqListener("", (req) =>
{
// handle
if (req.toNodeId == "" && req.url == "/connect")
{
Utils.Log("Event: Task Connect to " + req.fromNodeId + ", MessageId: " + req.uuid);
Task.Factory.StartNew(() =>
{
// connect to server received, create sockets
Utils.Log("Event: Task Started Connect to " + req.fromNodeId);
try
{
string reqStr = Encoding.UTF8.GetString(req.content);
string ipstr = reqStr.Split('\n')[0];
string port = reqStr.Split('\n')[1];
Utils.Log("Event: Connect to " + ipstr + " " + port + " " + req.fromNodeId);
IPAddress targetIp = IPAddress.Parse(ipstr);
Socket mClientSocket = new Socket(AddressFamily.InterNetwork, SocketType.Stream, ProtocolType.Tcp);
bool closeFlag = false;
mClientSocket.Connect(new IPEndPoint(targetIp, Convert.ToInt32(port)));
Utils.Log("Event: Connect to " + ipstr + " " + port + " Success " + req.fromNodeId);
var mlink = LinkClient.Connect(mSkynet, req.fromToxId, req.fromNodeId);
req.toNodeId = mlink.clientId;
Utils.Log("Event: Connect to " + ipstr + " " + port + " Success " + req.fromNodeId + " , mLinkID: " + mlink.clientId);
mlink.OnMessage((msg) =>
{
try
{
Utils.Log("Event: Start Write Message, mLinkID: " + mlink.clientId);
if (mClientSocket != null && mClientSocket.Connected)
{
mClientSocket.Send(msg, SocketFlags.None);
}
Utils.Log("Event: Write Message Success, mLinkID: " + mlink.clientId);
}
catch (Exception e)
{
Utils.Log("Event: ERROR " + e.Message);
Utils.Log(e.StackTrace);
mlink.CloseRemote();
mlink.Close();
if (!closeFlag && mClientSocket.Connected)
{
closeFlag = true;
try
{
mClientSocket.Shutdown(SocketShutdown.Both);
}
catch (SocketException ex)
{
Utils.Log("Event: " + ex.Message);
}
mClientSocket.Close();
Utils.Log("Event: Close Socket" + ipstr + " " + port + " mLinkID " + mlink.clientId);
}
}
});
mlink.OnClose(() =>
{
if (!closeFlag && mClientSocket.Connected)
{
closeFlag = true;
try
{
mClientSocket.Shutdown(SocketShutdown.Both);
}
catch (SocketException ex)
{
Utils.Log("Event: " + ex.Message);
}
mClientSocket.Close();
Utils.Log("Event: Close Socket" + ipstr + " " + port + " mLinkID " + mlink.clientId);
}
});
// send response after all handler has been set
mSkynet.sendResponse(req.createResponse(Encoding.UTF8.GetBytes("OK")), new ToxId(req.fromToxId));
Task.Factory.StartNew(async() =>
{
Task <ToxResponse> sendTask = null;
ToxResponse sendRes = null;
while (true)
{
byte[] buf = new byte[1024 * 32];
try
{
Utils.Log("Event: Start Read Data, Clientid: " + mlink.clientId);
int size = 0;
if (mClientSocket != null && mClientSocket.Connected)
{
size = mClientSocket.Receive(buf);
}
else
{
Utils.Log("Event: Socket already closed" + ipstr + " " + port + " mLinkID " + mlink.clientId);
break;
}
if (size == 0)
{
if (!closeFlag && mClientSocket.Connected)
{
Utils.Log("Event: Close Connection, Clientid: " + mlink.clientId);
closeFlag = true;
try
{
mClientSocket.Shutdown(SocketShutdown.Both);
}
catch (SocketException ex)
{
Utils.Log("Event: " + ex.Message);
}
mClientSocket.Close();
}
mlink.CloseRemote();
mlink.Close();
break;
}
else
{
Utils.Log("Event: Read Data " + size + ", Clientid: " + mlink.clientId);
}
if (sendTask != null)
{
sendRes = await sendTask;
}
if (sendTask != null && sendRes == null)
{
// send failed
if (!closeFlag && mClientSocket.Connected)
{
closeFlag = true;
try
{
mClientSocket.Shutdown(SocketShutdown.Both);
}
catch (SocketException ex)
{
Utils.Log("Event: " + ex.Message);
}
mClientSocket.Close();
mlink.Close();
Utils.Log("Event: Tox send message failed, Clientid: " + mlink.clientId);
break;
}
}
sendTask = mlink.SendAsync(buf, size);
}
catch (Exception e)
{
/*if (e.ErrorCode != 10004) // this is not an error
* {
* Console.WriteLine("Time: " + Utils.UnixTimeNow() + " Event: ERROR " + e.Message);
* Console.WriteLine(e.StackTrace);
* }*/
Utils.Log("Event: ERROR " + e.Message);
Utils.Log(e.StackTrace);
mlink.CloseRemote();
mlink.Close();
if (!closeFlag && mClientSocket.Connected)
{
closeFlag = true;
try
{
mClientSocket.Shutdown(SocketShutdown.Both);
}
catch (SocketException ex)
{
Utils.Log("Event: " + ex.Message);
}
mClientSocket.Close();
Utils.Log("Event: Close Connection, ClientId: " + mlink.clientId);
}
break;
}
}
}, TaskCreationOptions.LongRunning).ForgetOrThrow();
Utils.Log("Event: Connect to " + ipstr + " " + port + " All Success " + req.fromNodeId + ", mLinkID: " + mlink.clientId);
}
catch (Exception e)
{
Utils.Log("Event: ERROR " + e.Message);
Utils.Log(e.StackTrace);
// connected failed
string reqStr = Encoding.UTF8.GetString(req.content);
string ipstr = reqStr.Split('\n')[0];
string port = reqStr.Split('\n')[1];
Utils.Log("Event: Connect to " + ipstr + " " + port + " failed");
var response = req.createResponse(Encoding.UTF8.GetBytes("failed"));
mSkynet.sendResponse(response, new ToxId(response.toToxId));
}
}, TaskCreationOptions.LongRunning).ForgetOrThrow();
}
else if (req.toNodeId == "" && req.url == "/handshake")
{
var response = req.createResponse(Encoding.UTF8.GetBytes("OK"));
Utils.Log("Event: HandShake from " + response.toToxId + ", MessageID: " + req.uuid);
Utils.Log("Event: Send HandShake response " + response.uuid + ", ToxId: " + response.toToxId);
mSkynet.sendResponse(response, new ToxId(response.toToxId));
}
});
while (true)
{
Thread.Sleep(10);
}
}
static void Main(string[] args)
{
if (args.Length != 4 && args.Length != 0)
{
Console.WriteLine("usage: SharpLink [local_port] [target_tox_id] [target_ip] [target_port]");
return;
}
Skynet.Base.Skynet mSkynet = null;
string exeDir = Path.GetDirectoryName(Assembly.GetExecutingAssembly().Location);
Directory.SetCurrentDirectory(exeDir);
if (args.Length == 0)
{
// log to file
Utils.setLogFile("server.log");
}
else
{
// log to file
Utils.setLogFile("client.log");
}
// Save tox data for server
if (args.Length == 0 && File.Exists("tox.dat"))
{
mSkynet = new Skynet.Base.Skynet("tox.dat");
}
else if (args.Length == 0 && !File.Exists("tox.dat"))
{
mSkynet = new Skynet.Base.Skynet();
mSkynet.Save("tox.dat");
}
else
{
mSkynet = new Skynet.Base.Skynet();
}
if (args.Length == 4)
{
string localPort = args [0];
string targetToxId = args [1];
string targetIP = args [2];
int targetPort = Convert.ToInt32(args [3]);
if (!ToxId.IsValid(targetToxId))
{
Console.WriteLine("not a valid id");
Console.WriteLine("usage: SharpLink [local_port] [target_tox_id] [target_ip] [target_port]");
return;
}
// create local socket server
IPAddress ip = IPAddress.Parse("0.0.0.0");
var serverSocket = new Socket(AddressFamily.InterNetwork, SocketType.Stream, ProtocolType.Tcp);
serverSocket.Bind(new IPEndPoint(ip, Convert.ToInt32(localPort)));
serverSocket.Listen(1000);
Task.Factory.StartNew(() => {
while (true)
{
Utils.Log("Event: Waiting socket");
List <byte> tempData = new List <byte> ();
Socket clientSocket = serverSocket.Accept();
Task.Factory.StartNew(() => {
bool closeFlag = false;
LinkClient mlink = null;
string tempConnectId = Guid.NewGuid().ToString();
Task.Factory.StartNew(() => {
while (true)
{
byte[] buf = new byte[1024 * 512];
try {
int size = 0;
if (clientSocket != null && clientSocket.Connected)
{
size = clientSocket.Receive(buf);
}
else
{
break;
}
if (mlink == null)
{
tempData.AddRange(buf.Take(size));
}
if (size == 0)
{
// socket closed
if (mlink != null)
{
mlink.CloseRemote();
}
if (!closeFlag && clientSocket.Connected)
{
closeFlag = true;
clientSocket.Shutdown(SocketShutdown.Both);
clientSocket.Close();
if (mlink != null)
{
Utils.Log("Event: Close Connection, ClientId: " + mlink.clientId + ", ConnectId: " + tempConnectId);
}
else
{
Utils.Log("Event: Close Connection, ClinetId: null" + ", ConnectId: " + tempConnectId);
}
}
break;
}
if (mlink != null)
{
var res = mlink.Send(buf, size);
if (!res && !closeFlag && clientSocket.Connected)
{
closeFlag = true;
clientSocket.Shutdown(SocketShutdown.Both);
clientSocket.Close();
Utils.Log("Event: Tox send message failed, ClientId: " + mlink.clientId + ", ConnectId: " + tempConnectId);
Utils.Log("Event: Close Connection, ClientId: " + mlink.clientId + ", ConnectId: " + tempConnectId);
break;
}
}
} catch (Exception e) {
Utils.Log("Event: ERROR " + e.Message);
Utils.Log(e.StackTrace);
if (mlink != null)
{
mlink.CloseRemote();
}
if (!closeFlag && clientSocket.Connected)
{
closeFlag = true;
clientSocket.Shutdown(SocketShutdown.Both);
clientSocket.Close();
if (mlink != null)
{
Utils.Log("Event: Close Connection, ClientId: " + mlink.clientId + ", ConnectId: " + tempConnectId);
}
else
{
Utils.Log("Event: Close Connection, ClinetId: null" + ", ConnectId: " + tempConnectId);
}
}
break;
}
}
}, TaskCreationOptions.LongRunning).ForgetOrThrow();
mlink = LinkClient.Connect(mSkynet, targetToxId, IPAddress.Parse(targetIP), Convert.ToInt32(targetPort),
// message handler
(msg) => {
try {
if (clientSocket != null && clientSocket.Connected)
{
clientSocket.Send(msg, SocketFlags.None);
}
} catch (Exception e) {
Utils.Log("ERROR " + e.Message);
Utils.Log(e.StackTrace);
mlink.CloseRemote();
if (!closeFlag && clientSocket.Connected)
{
closeFlag = true;
clientSocket.Shutdown(SocketShutdown.Both);
clientSocket.Close();
Utils.Log("Event: Close Connection, ClientId: " + mlink.clientId + ", ConnectId: " + tempConnectId);
}
}
},
// close handler
() => {
if (!closeFlag && clientSocket.Connected)
{
closeFlag = true;
clientSocket.Shutdown(SocketShutdown.Both);
clientSocket.Close();
Utils.Log("Event: Close Connection, ClientId: " + mlink.clientId + ", ConnectId: " + tempConnectId);
}
}
);
if (mlink == null)
{
// connected failed
Utils.Log("Event: Connected failed, ClientId: null" + ", ConnectId: " + tempConnectId);
if (!closeFlag && clientSocket.Connected)
{
closeFlag = true;
clientSocket.Shutdown(SocketShutdown.Both);
clientSocket.Close();
Utils.Log("Event: Close Connection, ClientId: null" + ", ConnectId: " + tempConnectId);
}
return;
}
if (tempData.Count != 0)
{
mlink.Send(tempData.ToArray(), tempData.Count);
}
// check if socket has closed
if (closeFlag)
{
// socket has closed
Utils.Log("Event: Close Remote, ClientId: " + mlink.clientId + ", ConnectId: " + tempConnectId);
mlink.CloseRemote();
}
}).ForgetOrThrow();
}
}, TaskCreationOptions.LongRunning).ForgetOrThrow();
}
mSkynet.addNewReqListener((req) => {
// handle
if (req.toNodeId == "" && req.url == "/connect")
{
Utils.Log("Event: Task Connect to " + req.fromNodeId + ", MessageId: " + req.uuid);
Task.Run(() => {
// connect to server received, create sockets
Utils.Log("Event: Task Started Connect to " + req.fromNodeId);
try {
string reqStr = Encoding.UTF8.GetString(req.content);
string ipstr = reqStr.Split('\n') [0];
string port = reqStr.Split('\n') [1];
Utils.Log("Event: Connect to " + ipstr + " " + port + " " + req.fromNodeId);
IPAddress targetIp = IPAddress.Parse(ipstr);
Socket mClientSocket = new Socket(AddressFamily.InterNetwork, SocketType.Stream, ProtocolType.Tcp);
bool closeFlag = false;
mClientSocket.Connect(new IPEndPoint(targetIp, Convert.ToInt32(port)));
Utils.Log("Event: Connect to " + ipstr + " " + port + " Success " + req.fromNodeId);
var mlink = LinkClient.Connect(mSkynet, req.fromToxId, req.fromNodeId);
req.toNodeId = mlink.clientId;
Utils.Log("Event: Connect to " + ipstr + " " + port + " Success " + req.fromNodeId + " , mLinkID: " + mlink.clientId);
mlink.OnMessage((msg) => {
try {
Utils.Log("Event: Start Write Message, mLinkID: " + mlink.clientId);
if (mClientSocket != null && mClientSocket.Connected)
{
mClientSocket.Send(msg, SocketFlags.None);
}
Utils.Log("Event: Write Message Success, mLinkID: " + mlink.clientId);
} catch (Exception e) {
Utils.Log("Event: ERROR " + e.Message);
Utils.Log(e.StackTrace);
mlink.CloseRemote();
if (!closeFlag && mClientSocket.Connected)
{
closeFlag = true;
mClientSocket.Shutdown(SocketShutdown.Both);
mClientSocket.Close();
Utils.Log("Event: Close Socket" + ipstr + " " + port + " mLinkID " + mlink.clientId);
}
}
});
mlink.OnClose(() => {
if (!closeFlag && mClientSocket.Connected)
{
closeFlag = true;
mClientSocket.Shutdown(SocketShutdown.Both);
mClientSocket.Close();
Utils.Log("Event: Close Socket" + ipstr + " " + port + " mLinkID " + mlink.clientId);
}
});
// send response after all handler has been set
mSkynet.sendResponse(req.createResponse(Encoding.UTF8.GetBytes("OK")), new ToxId(req.fromToxId));
Task.Factory.StartNew(() => {
while (true)
{
byte[] buf = new byte[1024 * 512];
try {
Utils.Log("Event: Start Read Data, Clientid: " + mlink.clientId);
int size = 0;
if (mClientSocket != null && mClientSocket.Connected)
{
size = mClientSocket.Receive(buf);
}
else
{
Utils.Log("Event: Socket already closed" + ipstr + " " + port + " mLinkID " + mlink.clientId);
break;
}
if (size == 0)
{
if (!closeFlag && mClientSocket.Connected)
{
Utils.Log("Event: Close Connection, Clientid: " + mlink.clientId);
closeFlag = true;
mClientSocket.Shutdown(SocketShutdown.Both);
mClientSocket.Close();
}
mlink.CloseRemote();
break;
}
else
{
Utils.Log("Event: Read Data " + size + ", Clientid: " + mlink.clientId);
}
var res = mlink.Send(buf, size);
if (!res)
{
// send failed
if (!closeFlag && mClientSocket.Connected)
{
closeFlag = true;
mClientSocket.Shutdown(SocketShutdown.Both);
mClientSocket.Close();
Utils.Log("Event: Tox send message failed, Clientid: " + mlink.clientId);
break;
}
}
} catch (Exception e) {
/*if (e.ErrorCode != 10004) // this is not an error
* {
* Console.WriteLine("Time: " + Utils.UnixTimeNow() + " Event: ERROR " + e.Message);
* Console.WriteLine(e.StackTrace);
* }*/
Utils.Log("Event: ERROR " + e.Message);
Utils.Log(e.StackTrace);
mlink.CloseRemote();
if (!closeFlag && mClientSocket.Connected)
{
closeFlag = true;
mClientSocket.Shutdown(SocketShutdown.Both);
mClientSocket.Close();
Utils.Log("Event: Close Connection, ClientId: " + mlink.clientId);
}
break;
}
}
}, TaskCreationOptions.LongRunning).ForgetOrThrow();
Utils.Log("Event: Connect to " + ipstr + " " + port + " All Success " + req.fromNodeId + ", mLinkID: " + mlink.clientId);
} catch (Exception e) {
Utils.Log("Event: ERROR " + e.Message);
Utils.Log(e.StackTrace);
// connected failed
string reqStr = Encoding.UTF8.GetString(req.content);
string ipstr = reqStr.Split('\n') [0];
string port = reqStr.Split('\n') [1];
Utils.Log("Event: Connect to " + ipstr + " " + port + " failed");
var response = req.createResponse(Encoding.UTF8.GetBytes("failed"));
mSkynet.sendResponse(response, new ToxId(response.toToxId));
}
}).ForgetOrThrow();
}
else if (req.toNodeId == "" && req.url == "/handshake")
{
var response = req.createResponse(Encoding.UTF8.GetBytes("OK"));
Utils.Log("Event: HandShake from " + response.toToxId + ", MessageID: " + req.uuid);
Utils.Log("Event: Send HandShake response " + response.uuid + ", ToxId: " + response.toToxId);
mSkynet.sendResponse(response, new ToxId(response.toToxId));
}
});
while (true)
{
Thread.Sleep(10);
}
}
public Task <ToxResponse> sendRequest(ToxId toxid, ToxRequest req, out bool status)
{
if (toxid.ToString() == tox.Id.ToString())
{
// request was sent to itself
status = true;
return(RequestProxy.sendRequest(this, req));
}
byte[] reqContent = req.getBytes();
int packageNum = reqContent.Length / MAX_MSG_LENGTH + 1;
bool res = false;
ToxResponse mRes = null;
object reslock = new object();
bool resFlag = false;
lock (mPendingReqLock) {
mPendingReqList.Add(req.uuid, (response) => {
mRes = response;
lock (reslock) {
resFlag = true;
Utils.Utils.LogUtils("Event: Callback called, ReqId: " + req.uuid);
Monitor.PulseAll(reslock);
Utils.Utils.LogUtils("Event: Pulse Lock, ReqId: " + req.uuid);
}
});
}
for (int i = 0; i < packageNum; i++)
{
byte[] mcontent;
if (i * MAX_MSG_LENGTH + MAX_MSG_LENGTH > reqContent.Length)
{
mcontent = Utils.Utils.subArray(reqContent, i * MAX_MSG_LENGTH);
}
else
{
mcontent = Utils.Utils.subArray(reqContent, i * MAX_MSG_LENGTH, MAX_MSG_LENGTH);
}
res = sendMsg(toxid, new Package {
uuid = req.uuid,
totalCount = packageNum,
currentCount = i,
content = mcontent,
totalSize = (uint)reqContent.Length,
startIndex = (uint)(i * MAX_MSG_LENGTH),
}.toBytes());
if (!res)
{
status = false;
return(Task.Factory.StartNew <ToxResponse> (() => {
mPendingReqList.Remove(req.uuid);
return null;
}, TaskCreationOptions.LongRunning));
}
}
status = res;
Utils.Utils.LogUtils("Event: return async, ReqId: " + req.uuid);
return(Task.Factory.StartNew(() => {
Utils.Utils.LogUtils("Event: Response locked, ReqId: " + req.uuid);
lock (reslock) {
while (!resFlag)
{
Monitor.Wait(reslock);
}
}
Utils.Utils.LogUtils("Event: Response unlocked, ReqId: " + req.uuid);
return mRes;
}, TaskCreationOptions.LongRunning));
}
