MeshCentral/MeshCentralRouter
1
0
Fork 0
mirror of https://github.com/Ylianst/MeshCentralRouter synced 2026-02-22 12:23:24 +00:00
Code Issues Releases Wiki Activity

First working remote desktop viewer.

Browse Source
This commit is contained in:
Ylian Saint-Hilaire
2020-08-12 11:57:19 -07:00
parent 013a9841b7
commit 869c4ebd78
36 changed files with 24285 additions and 749 deletions
Download Patch File Download Diff File Expand all files Collapse all files

48
KVMControl.cs
View File

@@ -125,14 +125,15 @@ namespace MeshCentralRouter
public int ProcessData(byte[] buffer, int off, int len)
{
//Console.Write("ProcessData " + off + ", " + len + "\r\n");
int jumboHeaderSize = 0;
if (len == 0) return 0;
if (len >= 4)
{
// Decode the command header
KvmCommands btype = (KvmCommands)IPAddress.NetworkToHostOrder((short)BitConverter.ToUInt16(buffer, off));
int blen = (int)IPAddress.NetworkToHostOrder((short)BitConverter.ToUInt16(buffer, off + 2));
KvmCommands btype = (KvmCommands)((buffer[off] << 8) + buffer[off + 1]);
int blen = (buffer[off + 2] << 8) + buffer[off + 3];
if (len < blen) return 0;
// Handle JUMBO command
@@ -141,7 +142,7 @@ namespace MeshCentralRouter
jumboHeaderSize = 8;
blen = (int)IPAddress.NetworkToHostOrder((int)BitConverter.ToUInt32(buffer, off + 4));
off += 8;
btype = (KvmCommands)IPAddress.NetworkToHostOrder((short)BitConverter.ToUInt16(buffer, off));
btype = (KvmCommands)((buffer[off] << 8) + buffer[off + 1]);
}
// Process the command
@@ -150,8 +151,8 @@ namespace MeshCentralRouter
case KvmCommands.Screen:
{
if (blen != 8) return blen;
uint w = (ushort)IPAddress.NetworkToHostOrder((short)BitConverter.ToUInt16(buffer, off + 4));
uint h = (ushort)IPAddress.NetworkToHostOrder((short)BitConverter.ToUInt16(buffer, off + 6));
uint w = (ushort)((buffer[off + 4] << 8) + buffer[off + 5]);
uint h = (ushort)((buffer[off + 6] << 8) + buffer[off + 7]);
if (screenWidth == w && screenHeight == h) break;
screenWidth = w;
screenHeight = h;
@@ -160,16 +161,16 @@ namespace MeshCentralRouter
SendCompressionLevel();
Invoke(new SetSizeHandler(SetSize));
SendPause(false);
SendMouse(2, KvmMouseButtonCommands.MOUSEEVENTF_LEFTUP);
SendMouse(2, KvmMouseButtonCommands.MOUSEEVENTF_MIDDLEUP);
SendMouse(2, KvmMouseButtonCommands.MOUSEEVENTF_RIGHTUP);
//SendMouse(2, KvmMouseButtonCommands.MOUSEEVENTF_LEFTUP);
//SendMouse(2, KvmMouseButtonCommands.MOUSEEVENTF_MIDDLEUP);
//SendMouse(2, KvmMouseButtonCommands.MOUSEEVENTF_RIGHTUP);
return blen + jumboHeaderSize;
}
case KvmCommands.Picture:
{
Image newtile;
ushort tile_x = (ushort)IPAddress.NetworkToHostOrder((short)BitConverter.ToUInt16(buffer, off + 4));
ushort tile_y = (ushort)IPAddress.NetworkToHostOrder((short)BitConverter.ToUInt16(buffer, off + 6));
ushort tile_x = (ushort)((buffer[off + 4] << 8) + buffer[off + 5]);
ushort tile_y = (ushort)((buffer[off + 6] << 8) + buffer[off + 7]);
try { newtile = Image.FromStream(new System.IO.MemoryStream(buffer, off + 8, blen - 8)); } catch (Exception) { return blen; }
Rectangle r = new Rectangle((int)tile_x, (int)tile_y, newtile.Width, newtile.Height);
Rectangle r3 = new Rectangle((int)((double)tile_x / (double)scalefactor) - 2, (int)((double)tile_y / (double)scalefactor) - 2, (int)((double)newtile.Width / (double)scalefactor) + 4, (int)((double)newtile.Height / (double)scalefactor) + 4);
@@ -194,13 +195,12 @@ namespace MeshCentralRouter
}
case KvmCommands.Copy:
{
ushort sourcex = (ushort)IPAddress.NetworkToHostOrder((short)BitConverter.ToUInt16(buffer, off + 4));
ushort sourcey = (ushort)IPAddress.NetworkToHostOrder((short)BitConverter.ToUInt16(buffer, off + 6));
ushort targetx = (ushort)IPAddress.NetworkToHostOrder((short)BitConverter.ToUInt16(buffer, off + 8));
ushort targety = (ushort)IPAddress.NetworkToHostOrder((short)BitConverter.ToUInt16(buffer, off + 10));
ushort tilew = (ushort)IPAddress.NetworkToHostOrder((short)BitConverter.ToUInt16(buffer, off + 12));
ushort tileh = (ushort)IPAddress.NetworkToHostOrder((short)BitConverter.ToUInt16(buffer, off + 14));
ushort sourcex = (ushort)((buffer[off + 4] << 8) + buffer[off + 5]);
ushort sourcey = (ushort)((buffer[off + 6] << 8) + buffer[off + 7]);
ushort targetx = (ushort)((buffer[off + 8] << 8) + buffer[off + 9]);
ushort targety = (ushort)((buffer[off + 10] << 8) + buffer[off + 11]);
ushort tilew = (ushort)((buffer[off + 12] << 8) + buffer[off + 13]);
ushort tileh = (ushort)((buffer[off + 14] << 8) + buffer[off + 15]);
Rectangle r1 = new Rectangle((int)sourcex, (int)sourcey, (int)tilew, (int)tileh);
Rectangle r2 = new Rectangle((int)targetx, (int)targety, (int)tilew, (int)tileh);
Rectangle r3 = new Rectangle((int)((double)targetx / (double)scalefactor) - 2, (int)((double)targety / (double)scalefactor) - 2, (int)((double)tilew / (double)scalefactor) + 4, (int)((double)tileh / (double)scalefactor) + 4);
@@ -226,13 +226,13 @@ namespace MeshCentralRouter
case KvmCommands.GetDisplays:
{
int i = 0;
ushort length = (ushort)IPAddress.NetworkToHostOrder((short)BitConverter.ToUInt16(buffer, off + 4));
ushort length = (ushort)((buffer[off + 4] << 8) + buffer[off + 5]);
displays.Clear();
if (length > 0)
{
for (i = 0; i < length; i++)
{
ushort num = (ushort)IPAddress.NetworkToHostOrder((short)BitConverter.ToUInt16(buffer, off + 6 + i * 2));
ushort num = (ushort)((buffer[off + 6 + i * 2] << 8) + buffer[off + 7 + i * 2]);
if (num == 0xFFFF)
{
displays.Add("All Displays");
@@ -243,13 +243,13 @@ namespace MeshCentralRouter
}
}
}
currentDisp = (ushort)IPAddress.NetworkToHostOrder((short)BitConverter.ToUInt16(buffer, off + 6 + i * 2));
currentDisp = (ushort)((buffer[off + 6 + i * 2] << 8) + buffer[off + 7 + i * 2]);
if (DisplaysReceived != null) DisplaysReceived(this, null);
break;
}
case KvmCommands.SetDisplay:
{
currentDisp = (ushort)IPAddress.NetworkToHostOrder((short)BitConverter.ToUInt16(buffer, off + 4));
currentDisp = (ushort)((buffer[off + 4] << 8) + buffer[off + 5]);
break;
}
case KvmCommands.MouseCursor:
@@ -482,7 +482,7 @@ namespace MeshCentralRouter
//if (state == ConnectState.Disconnected) return;
try
{
parent.wc.WriteBinaryWebSocket(buffer, 0, buffer.Length);
parent.wc.SendBinary(buffer, 0, buffer.Length);
bytesent += buffer.Length;
}
catch (Exception) { }
@@ -493,7 +493,7 @@ namespace MeshCentralRouter
//if (state == ConnectState.Disconnected) return;
try
{
parent.wc.WriteStringWebSocket(str);
parent.wc.SendString(str);
bytesent += str.Length;
}
catch (Exception) { }
@@ -504,7 +504,7 @@ namespace MeshCentralRouter
//if (state == ConnectState.Disconnected) { RecycleBinaryWriter(bw); return; }
try
{
parent.wc.WriteBinaryWebSocket(((MemoryStream)bw.BaseStream).GetBuffer(), 0, (int)((MemoryStream)bw.BaseStream).Length);
parent.wc.SendBinary(((MemoryStream)bw.BaseStream).GetBuffer(), 0, (int)((MemoryStream)bw.BaseStream).Length);
bytesent += (int)((MemoryStream)bw.BaseStream).Length;
}
catch (Exception) { }