MeshCentral/MeshCentralRouter
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Added jumbo command processing for remote desktop.

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This commit is contained in:
Ylian Saint-Hilaire
2020-08-11 00:09:26 -07:00
parent 7ad838265c
commit 013a9841b7
1 changed files with 19 additions and 5 deletions
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24
KVMControl.cs
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@@ -66,6 +66,7 @@ namespace MeshCentralRouter
InitTouch = 14,
Touch = 15,
Message = 16,
Jumbo = 27,
Disconnect = 59,
Alert = 65,
MouseCursor = 88
@@ -124,13 +125,26 @@ namespace MeshCentralRouter
public int ProcessData(byte[] buffer, int off, int len)
{
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));
ushort blen = (ushort)IPAddress.NetworkToHostOrder((short)BitConverter.ToUInt16(buffer, off + 2));
int blen = (int)IPAddress.NetworkToHostOrder((short)BitConverter.ToUInt16(buffer, off + 2));
if (len < blen) return 0;
// Handle JUMBO command
if ((btype == KvmCommands.Jumbo) && (blen == 8))
{
jumboHeaderSize = 8;
blen = (int)IPAddress.NetworkToHostOrder((int)BitConverter.ToUInt32(buffer, off + 4));
off += 8;
btype = (KvmCommands)IPAddress.NetworkToHostOrder((short)BitConverter.ToUInt16(buffer, off));
}
// Process the command
switch (btype)
{
case KvmCommands.Screen:
@@ -149,7 +163,7 @@ namespace MeshCentralRouter
SendMouse(2, KvmMouseButtonCommands.MOUSEEVENTF_LEFTUP);
SendMouse(2, KvmMouseButtonCommands.MOUSEEVENTF_MIDDLEUP);
SendMouse(2, KvmMouseButtonCommands.MOUSEEVENTF_RIGHTUP);
return blen;
return blen + jumboHeaderSize;
}
case KvmCommands.Picture:
{
@@ -176,7 +190,7 @@ namespace MeshCentralRouter
if (scalefactor == 1) Invalidate(r, false); else Invalidate(r3, false);
}
return blen;
return blen + jumboHeaderSize;
}
case KvmCommands.Copy:
{
@@ -207,7 +221,7 @@ namespace MeshCentralRouter
tilecopy++;
}
return blen;
return blen + jumboHeaderSize;
}
case KvmCommands.GetDisplays:
{
@@ -251,7 +265,7 @@ namespace MeshCentralRouter
return 0;
}
}
return blen;
return blen + jumboHeaderSize;
}
return 0;
}