/**
@brief Send clipboard data
**/
void uSynergySendClipboard(uSynergyContext *context, const char *text)
{
// Calculate maximum size that will fit in a reply packet
uint32_t overhead_size = 4 + /* Message size */
4 + /* Message ID */
1 + /* Clipboard index */
4 + /* Sequence number */
4 + /* Rest of message size (because it's a Synergy string from here on) */
4 + /* Number of clipboard formats */
4 + /* Clipboard format */
4; /* Clipboard data length */
uint32_t max_length = USYNERGY_REPLY_BUFFER_SIZE - overhead_size;
// Clip text to max length
uint32_t text_length = (uint32_t)strlen(text);
if (text_length > max_length)
{
char buffer[128];
sprintf(buffer, "Clipboard buffer too small, clipboard truncated at %d characters", max_length);
sTrace(context, buffer);
text_length = max_length;
}
// Assemble packet
sAddString(context, "DCLP");
sAddUInt8(context, 0); /* Clipboard index */
sAddUInt32(context, context->m_sequenceNumber);
sAddUInt32(context, 4+4+4+text_length); /* Rest of message size: numFormats, format, length, data */
sAddUInt32(context, 1); /* Number of formats (only text for now) */
sAddUInt32(context, USYNERGY_CLIPBOARD_FORMAT_TEXT);
sAddUInt32(context, text_length);
sAddString(context, text);
sSendReply(context);
}
HRESULT CSensatronicsModelF::ProcessConfig(CXMLSensatronicsConfig* pXMLSensatronicsConfig)
{
CString sTrace(_T(""));
HRESULT hr = S_OK;
bool bTempUnitSet = false;
if(pXMLSensatronicsConfig)
{
const CXMLSensatronicsConfig::SensorsContainer& sensorsContainer = pXMLSensatronicsConfig->getSensorsContainer();
CXMLSensatronicsConfig::SensorsContainer::const_iterator sensors_it = sensorsContainer.begin();
if(sensors_it != sensorsContainer.end())
{
CXMLSensatronicsSensorConfig* pXMLSensatronicsSensorConfig = sensors_it->second;
const CXMLSensatronicsSensorConfig::ProbesContainer& probesContainer = pXMLSensatronicsSensorConfig->getProbeElements();
CXMLSensatronicsSensorConfig::ProbesContainer::const_iterator probes_it = probesContainer.begin();
for(; probes_it != probesContainer.end(); ++probes_it)
{
CXMLSensatronicsProbeConfig* pXMLSensatronicsProbeConfig = probes_it->second;
hr = ProcessProbeConfig(pXMLSensatronicsProbeConfig, &bTempUnitSet);
}
}
}
return hr;
}
STDMETHODIMP CSensatronicsModelF::GetConfig(void)
{
HRESULT hr = S_OK;
CString sTrace(_T(""));
CComPtr<IDataConnector> pDataConnector = 0;
hr = pDataConnector.CoCreateInstance(__uuidof(DataConnector));
if(SUCCEEDED(hr))
{
CXMLSensatronicsConfig XMLSensatronicsConfig;
LONG* plConfigHandler = (LONG*)&XMLSensatronicsConfig; // so we can pass this through to
hr = pDataConnector->RequestModelFSerialComConfigData(m_bstrName.Copy(), m_bstrComPort.Copy(), plConfigHandler);
if(SUCCEEDED(hr))
{
hr = ProcessConfig(&XMLSensatronicsConfig);
}
}
return hr;
}
/**
@brief Update a connected context
**/
static void sUpdateContext(uSynergyContext *context)
{
/* Receive data (blocking) */
int receive_size = USYNERGY_RECEIVE_BUFFER_SIZE - context->m_receiveOfs;
int num_received = 0;
int packlen = 0;
if (context->m_receiveFunc(context->m_cookie, context->m_receiveBuffer + context->m_receiveOfs, receive_size, &num_received) == USYNERGY_FALSE)
{
/* Receive failed, let's try to reconnect */
char buffer[128];
sprintf(buffer, "Receive failed (%d bytes asked, %d bytes received), trying to reconnect in a second", receive_size, num_received);
sTrace(context, buffer);
sSetDisconnected(context);
context->m_sleepFunc(context->m_cookie, 1000);
return;
}
context->m_receiveOfs += num_received;
/* If we didn't receive any data then we're probably still polling to get connected and
therefore not getting any data back. To avoid overloading the system with a Synergy
thread that would hammer on polling, we let it rest for a bit if there's no data. */
if (num_received == 0)
context->m_sleepFunc(context->m_cookie, 500);
/* Check for timeouts */
if (context->m_hasReceivedHello)
{
uint32_t cur_time = context->m_getTimeFunc();
if (num_received == 0)
{
/* Timeout after 2 secs of inactivity (we received no CALV) */
if ((cur_time - context->m_lastMessageTime) > USYNERGY_IDLE_TIMEOUT)
sSetDisconnected(context);
}
else
context->m_lastMessageTime = cur_time;
}
/* Eat packets */
for (;;)
{
/* If less than 4 bytes left in buffer, we can't even get the next packet length yet */
if(context->m_receiveOfs < 4)
return;
/* Grab packet length and bail out if the packet goes beyond the end of the buffer */
packlen = sNetToNative32(context->m_receiveBuffer);
if (packlen+4 > context->m_receiveOfs)
break;
/* Process message */
sProcessMessage(context, context->m_receiveBuffer);
/* Move packet to front of buffer */
memmove(context->m_receiveBuffer, context->m_receiveBuffer+packlen+4, context->m_receiveOfs-packlen-4);
context->m_receiveOfs -= packlen+4;
}
/* Throw away over-sized packets */
if (packlen > USYNERGY_RECEIVE_BUFFER_SIZE)
{
/* Oversized packet, ditch tail end */
char buffer[128];
sprintf(buffer, "Oversized packet: '%c%c%c%c' (length %d)", context->m_receiveBuffer[4], context->m_receiveBuffer[5], context->m_receiveBuffer[6], context->m_receiveBuffer[7], packlen);
sTrace(context, buffer);
num_received = context->m_receiveOfs-4; // 4 bytes for the size field
while (num_received != packlen)
{
int buffer_left = packlen - num_received;
int to_receive = buffer_left < USYNERGY_RECEIVE_BUFFER_SIZE ? buffer_left : USYNERGY_RECEIVE_BUFFER_SIZE;
int ditch_received = 0;
if (context->m_receiveFunc(context->m_cookie, context->m_receiveBuffer, to_receive, &ditch_received) == USYNERGY_FALSE)
{
/* Receive failed, let's try to reconnect */
sTrace(context, "Receive failed, trying to reconnect in a second");
sSetDisconnected(context);
context->m_sleepFunc(context->m_cookie, 1000);
break;
}
else
{
num_received += ditch_received;
}
}
context->m_receiveOfs = 0;
}
}
static void sProcessMessage(uSynergyContext *context, const uint8_t *message)
{
// We have a packet!
if (memcmp(message+4, "Synergy", 7)==0)
{
// Welcome message
// kMsgHello = "Synergy%2i%2i"
// kMsgHelloBack = "Synergy%2i%2i%s"
sAddString(context, "Synergy");
sAddUInt16(context, USYNERGY_PROTOCOL_MAJOR);
sAddUInt16(context, USYNERGY_PROTOCOL_MINOR);
sAddUInt32(context, (uint32_t)strlen(context->m_clientName));
sAddString(context, context->m_clientName);
if (!sSendReply(context))
{
// Send reply failed, let's try to reconnect
sTrace(context, "SendReply failed, trying to reconnect in a second");
context->m_connected = USYNERGY_FALSE;
context->m_sleepFunc(context->m_cookie, 1000);
}
else
{
// Let's assume we're connected
char buffer[256+1];
sprintf(buffer, "Connected as client \"%s\"", context->m_clientName);
sTrace(context, buffer);
context->m_hasReceivedHello = USYNERGY_TRUE;
}
return;
}
else if (USYNERGY_IS_PACKET("QINF"))
{
// Screen info. Reply with DINF
// kMsgQInfo = "QINF"
// kMsgDInfo = "DINF%2i%2i%2i%2i%2i%2i%2i"
uint16_t x = 0, y = 0, warp = 0;
sAddString(context, "DINF");
sAddUInt16(context, x);
sAddUInt16(context, y);
sAddUInt16(context, context->m_clientWidth);
sAddUInt16(context, context->m_clientHeight);
sAddUInt16(context, warp);
sAddUInt16(context, 0); // mx?
sAddUInt16(context, 0); // my?
sSendReply(context);
return;
}
else if (USYNERGY_IS_PACKET("CIAK"))
{
// Do nothing?
// kMsgCInfoAck = "CIAK"
return;
}
else if (USYNERGY_IS_PACKET("CROP"))
{
// Do nothing?
// kMsgCResetOptions = "CROP"
return;
}
else if (USYNERGY_IS_PACKET("CINN"))
{
// Screen enter. Reply with CNOP
// kMsgCEnter = "CINN%2i%2i%4i%2i"
// Obtain the Synergy sequence number
context->m_sequenceNumber = sNetToNative32(message + 12);
context->m_isCaptured = USYNERGY_TRUE;
// Call callback
if (context->m_screenActiveCallback != 0L)
context->m_screenActiveCallback(context->m_cookie, USYNERGY_TRUE);
}
else if (USYNERGY_IS_PACKET("COUT"))
{
// Screen leave
// kMsgCLeave = "COUT"
context->m_isCaptured = USYNERGY_FALSE;
// Call callback
if (context->m_screenActiveCallback != 0L)
context->m_screenActiveCallback(context->m_cookie, USYNERGY_FALSE);
}
else if (USYNERGY_IS_PACKET("DMDN"))
{
// Mouse down
// kMsgDMouseDown = "DMDN%1i"
char btn = message[8]-1;
if (btn==2)
context->m_mouseButtonRight = USYNERGY_TRUE;
else if (btn==1)
context->m_mouseButtonMiddle = USYNERGY_TRUE;
else
context->m_mouseButtonLeft = USYNERGY_TRUE;
sSendMouseCallback(context);
}
else if (USYNERGY_IS_PACKET("DMUP"))
{
// Mouse up
// kMsgDMouseUp = "DMUP%1i"
char btn = message[8]-1;
if (btn==2)
context->m_mouseButtonRight = USYNERGY_FALSE;
else if (btn==1)
context->m_mouseButtonMiddle = USYNERGY_FALSE;
else
context->m_mouseButtonLeft = USYNERGY_FALSE;
sSendMouseCallback(context);
}
else if (USYNERGY_IS_PACKET("DMMV"))
{
// Mouse move. Reply with CNOP
// kMsgDMouseMove = "DMMV%2i%2i"
context->m_mouseX = sNetToNative16(message+8);
context->m_mouseY = sNetToNative16(message+10);
sSendMouseCallback(context);
}
else if (USYNERGY_IS_PACKET("DMRM"))
{
// Mouse relative. Reply with CNOP
// kMsgDMouseRelMove = "DMRM%2i%2i"
sSendMouseRelativeCallback(context, sNetToNative16(message+8), sNetToNative16(message+10));
}
else if (USYNERGY_IS_PACKET("DMWM"))
{
// Mouse wheel
// kMsgDMouseWheel = "DMWM%2i%2i"
// kMsgDMouseWheel1_0 = "DMWM%2i"
context->m_mouseWheelX += sNetToNative16(message+8);
context->m_mouseWheelY += sNetToNative16(message+10);
sSendMouseCallback(context);
}
else if (USYNERGY_IS_PACKET("DKDN"))
{
// Key down
// kMsgDKeyDown = "DKDN%2i%2i%2i"
// kMsgDKeyDown1_0 = "DKDN%2i%2i"
//uint16_t id = sNetToNative16(message+8);
uint16_t mod = sNetToNative16(message+10);
uint16_t key = sNetToNative16(message+12);
sSendKeyboardCallback(context, key, mod, USYNERGY_TRUE, USYNERGY_FALSE);
}
else if (USYNERGY_IS_PACKET("DKRP"))
{
// Key repeat
// kMsgDKeyRepeat = "DKRP%2i%2i%2i%2i"
// kMsgDKeyRepeat1_0 = "DKRP%2i%2i%2i"
uint16_t mod = sNetToNative16(message+10);
// uint16_t count = sNetToNative16(message+12);
uint16_t key = sNetToNative16(message+14);
sSendKeyboardCallback(context, key, mod, USYNERGY_TRUE, USYNERGY_TRUE);
}
else if (USYNERGY_IS_PACKET("DKUP"))
{
// Key up
// kMsgDKeyUp = "DKUP%2i%2i%2i"
// kMsgDKeyUp1_0 = "DKUP%2i%2i"
//uint16 id=Endian::sNetToNative(sbuf[4]);
uint16_t mod = sNetToNative16(message+10);
uint16_t key = sNetToNative16(message+12);
sSendKeyboardCallback(context, key, mod, USYNERGY_FALSE, USYNERGY_FALSE);
}
else if (USYNERGY_IS_PACKET("DGBT"))
{
// Joystick buttons
// kMsgDGameButtons = "DGBT%1i%2i";
uint8_t joy_num = message[8];
if (joy_num<USYNERGY_NUM_JOYSTICKS)
{
// Copy button state, then send callback
context->m_joystickButtons[joy_num] = (message[9] << 8) | message[10];
sSendJoystickCallback(context, joy_num);
}
}
else if (USYNERGY_IS_PACKET("DGST"))
{
// Joystick sticks
// kMsgDGameSticks = "DGST%1i%1i%1i%1i%1i";
uint8_t joy_num = message[8];
if (joy_num<USYNERGY_NUM_JOYSTICKS)
{
// Copy stick state, then send callback
memcpy(context->m_joystickSticks[joy_num], message+9, 4);
sSendJoystickCallback(context, joy_num);
}
}
else if (USYNERGY_IS_PACKET("DSOP"))
{
// Set options
// kMsgDSetOptions = "DSOP%4I"
}
else if (USYNERGY_IS_PACKET("CALV"))
{
// Keepalive, reply with CALV and then CNOP
// kMsgCKeepAlive = "CALV"
sAddString(context, "CALV");
sSendReply(context);
// now reply with CNOP
}
else if (USYNERGY_IS_PACKET("DCLP"))
{
// Clipboard message
// kMsgDClipboard = "DCLP%1i%4i%s"
//
// The clipboard message contains:
// 1 uint32: The size of the message
// 4 chars: The identifier ("DCLP")
// 1 uint8: The clipboard index
// 1 uint32: The sequence number. It's zero, because this message is always coming from the server?
// 1 uint32: The total size of the remaining 'string' (as per the Synergy %s string format (which is 1 uint32 for size followed by a char buffer (not necessarily null terminated)).
// 1 uint32: The number of formats present in the message
// And then 'number of formats' times the following:
// 1 uint32: The format of the clipboard data
// 1 uint32: The size n of the clipboard data
// n uint8: The clipboard data
const uint8_t * parse_msg = message+17;
uint32_t num_formats = sNetToNative32(parse_msg);
parse_msg += 4;
for (; num_formats; num_formats--)
{
// Parse clipboard format header
uint32_t format = sNetToNative32(parse_msg);
uint32_t size = sNetToNative32(parse_msg+4);
parse_msg += 8;
// Call callback
if (context->m_clipboardCallback)
context->m_clipboardCallback(context->m_cookie, format, parse_msg, size);
parse_msg += size;
}
}
else
{
// Unknown packet, could be any of these
// kMsgCNoop = "CNOP"
// kMsgCClose = "CBYE"
// kMsgCClipboard = "CCLP%1i%4i"
// kMsgCScreenSaver = "CSEC%1i"
// kMsgDKeyRepeat = "DKRP%2i%2i%2i%2i"
// kMsgDKeyRepeat1_0 = "DKRP%2i%2i%2i"
// kMsgEIncompatible = "EICV%2i%2i"
// kMsgEBusy = "EBSY"
// kMsgEUnknown = "EUNK"
// kMsgEBad = "EBAD"
char buffer[64];
sprintf(buffer, "Unknown packet '%c%c%c%c'", message[4], message[5], message[6], message[7]);
sTrace(context, buffer);
return;
}
// Reply with CNOP maybe?
sAddString(context, "CNOP");
sSendReply(context);
}
