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, InitTouch = 14,
Touch = 15, Touch = 15,
Message = 16, Message = 16,
Jumbo = 27,
Disconnect = 59, Disconnect = 59,
Alert = 65, Alert = 65,
MouseCursor = 88 MouseCursor = 88
@@ -124,13 +125,26 @@ namespace MeshCentralRouter
public int ProcessData(byte[] buffer, int off, int len) public int ProcessData(byte[] buffer, int off, int len)
{ {
int jumboHeaderSize = 0;
if (len == 0) return 0; if (len == 0) return 0;
if (len >= 4) if (len >= 4)
{ {
// Decode the command header
KvmCommands btype = (KvmCommands)IPAddress.NetworkToHostOrder((short)BitConverter.ToUInt16(buffer, off)); 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; 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) switch (btype)
{ {
case KvmCommands.Screen: case KvmCommands.Screen:
@@ -149,7 +163,7 @@ namespace MeshCentralRouter
SendMouse(2, KvmMouseButtonCommands.MOUSEEVENTF_LEFTUP); SendMouse(2, KvmMouseButtonCommands.MOUSEEVENTF_LEFTUP);
SendMouse(2, KvmMouseButtonCommands.MOUSEEVENTF_MIDDLEUP); SendMouse(2, KvmMouseButtonCommands.MOUSEEVENTF_MIDDLEUP);
SendMouse(2, KvmMouseButtonCommands.MOUSEEVENTF_RIGHTUP); SendMouse(2, KvmMouseButtonCommands.MOUSEEVENTF_RIGHTUP);
return blen; return blen + jumboHeaderSize;
} }
case KvmCommands.Picture: case KvmCommands.Picture:
{ {
@@ -176,7 +190,7 @@ namespace MeshCentralRouter
if (scalefactor == 1) Invalidate(r, false); else Invalidate(r3, false); if (scalefactor == 1) Invalidate(r, false); else Invalidate(r3, false);
} }
return blen; return blen + jumboHeaderSize;
} }
case KvmCommands.Copy: case KvmCommands.Copy:
{ {
@@ -207,7 +221,7 @@ namespace MeshCentralRouter
tilecopy++; tilecopy++;
} }
return blen; return blen + jumboHeaderSize;
} }
case KvmCommands.GetDisplays: case KvmCommands.GetDisplays:
{ {
@@ -251,7 +265,7 @@ namespace MeshCentralRouter
return 0; return 0;
} }
} }
return blen; return blen + jumboHeaderSize;
} }
return 0; return 0;
} }