bool SCI_Transporter::initTransporter() {
DBUG_ENTER("SCI_Transporter::initTransporter");
if(m_BufferSize < (2*MAX_MESSAGE_SIZE + 4096)){
m_BufferSize = 2 * MAX_MESSAGE_SIZE + 4096;
}
// Allocate buffers for sending, send buffer size plus 2048 bytes for avoiding
// the need to send twice when a large message comes around. Send buffer size is
// measured in words.
Uint32 sz = 4 * m_PacketSize + MAX_MESSAGE_SIZE;;
m_sendBuffer.m_sendBufferSize = 4 * ((sz + 3) / 4);
m_sendBuffer.m_buffer = new Uint32[m_sendBuffer.m_sendBufferSize / 4];
m_sendBuffer.m_dataSize = 0;
DBUG_PRINT("info",
("Created SCI Send Buffer with buffer size %d and packet size %d",
m_sendBuffer.m_sendBufferSize, m_PacketSize * 4));
if(!getLinkStatus(m_ActiveAdapterId) ||
(m_adapters > 1 &&
!getLinkStatus(m_StandbyAdapterId))) {
DBUG_PRINT("error",
("The link is not fully operational. Check the cables and the switches"));
//NDB should terminate
report_error(TE_SCI_LINK_ERROR);
DBUG_RETURN(false);
}
DBUG_RETURN(true);
} // initTransporter()
void
SCI_Transporter::setDisconnect() {
if(getLinkStatus(m_ActiveAdapterId))
*m_remoteStatusFlag = SCIDISCONNECT;
if (m_adapters > 1) {
if(getLinkStatus(m_StandbyAdapterId))
*m_remoteStatusFlag2 = SCIDISCONNECT;
}
}
Program::Program(const std::string& vShaderFile, const std::string& fShaderFile,
const std::string& gShaderFile)
: _vertexShader (NULL)
, _fragmentShader (NULL)
, _geometryShader (NULL)
{
_handle = glCreateProgram();
GL_ERR_CHECK();
_vertexShader = new Shader(vShaderFile, GL_VERTEX_SHADER);
_fragmentShader = new Shader(fShaderFile, GL_FRAGMENT_SHADER);
_geometryShader = new Shader(gShaderFile, GL_GEOMETRY_SHADER);
glAttachShader(_handle, _vertexShader->getHandle());
GL_ERR_CHECK();
glAttachShader(_handle, _fragmentShader->getHandle());
GL_ERR_CHECK();
glAttachShader(_handle, _geometryShader->getHandle());
GL_ERR_CHECK();
// Link the program
glLinkProgram(_handle);
GL_ERR_CHECK();
// Check for linker errors
if(!getLinkStatus())
{
std::stringstream err;
err << "GLSL program failed to link:" << std::endl;
err << getLog() << std::endl;
throw GL::Exception(err.str());
}
}
Program::Program(const std::string& vShaderFile, const std::string& fShaderFile)
: _vertexShader (NULL)
, _fragmentShader (NULL)
, _geometryShader (NULL)
{
_handle = glCreateProgram();
GL_ERR_CHECK();
_vertexShader = new Shader(vShaderFile, GL_VERTEX_SHADER);
_fragmentShader = new Shader(fShaderFile, GL_FRAGMENT_SHADER);
glAttachShader(_handle, _vertexShader->getHandle());
GL_ERR_CHECK();
glAttachShader(_handle, _fragmentShader->getHandle());
GL_ERR_CHECK();
// Link the program
glLinkProgram(_handle);
GL_ERR_CHECK();
// Check for linker errors
if(!getLinkStatus())
{
std::stringstream err;
err << "GLSL program failed to link:" << std::endl;
err << getLog() << std::endl;
throw std::runtime_error(err.str());
}
bind();
mapUniformNamesToIndices();
mapAttributeNamesToIndices();
}
bool SCI_Transporter::initTransporter() {
DBUG_ENTER("SCI_Transporter::initTransporter");
if(m_BufferSize < (2*MAX_MESSAGE_SIZE + 4096)){
m_BufferSize = 2 * MAX_MESSAGE_SIZE + 4096;
}
DBUG_PRINT("info", ("SCI packet size %d", m_PacketSize * 4));
if(!getLinkStatus(m_ActiveAdapterId) ||
(m_adapters > 1 &&
!getLinkStatus(m_StandbyAdapterId))) {
DBUG_PRINT("error",
("The link is not fully operational. Check the cables and the switches"));
//NDB should terminate
report_error(TE_SCI_LINK_ERROR);
DBUG_RETURN(false);
}
DBUG_RETURN(true);
} // initTransporter()
//------------------------------------------------------------------------------
tOplkError edrv_sendTxBuffer(tEdrvTxBuffer* pBuffer_p)
{
int pcapRet;
// Check parameter validity
ASSERT(pBuffer_p != NULL);
FTRACE_MARKER("%s", __func__);
if (pBuffer_p->txBufferNumber.pArg != NULL)
return kErrorInvalidOperation;
if (getLinkStatus(edrvInstance_l.initParam.pDevName) == FALSE)
{
/* there's no link! We pretend that packet is sent and immediately call
* tx handler! Otherwise the stack would hang! */
if (pBuffer_p->pfnTxHandler != NULL)
{
pBuffer_p->pfnTxHandler(pBuffer_p);
}
}
else
{
pthread_mutex_lock(&edrvInstance_l.mutex);
if (edrvInstance_l.pTransmittedTxBufferLastEntry == NULL)
{
edrvInstance_l.pTransmittedTxBufferLastEntry =
edrvInstance_l.pTransmittedTxBufferFirstEntry = pBuffer_p;
}
else
{
edrvInstance_l.pTransmittedTxBufferLastEntry->txBufferNumber.pArg = pBuffer_p;
edrvInstance_l.pTransmittedTxBufferLastEntry = pBuffer_p;
}
pthread_mutex_unlock(&edrvInstance_l.mutex);
pcapRet = pcap_sendpacket(edrvInstance_l.pPcap, pBuffer_p->pBuffer,
(int)pBuffer_p->txFrameSize);
if (pcapRet != 0)
{
DEBUG_LVL_EDRV_TRACE("%s() pcap_sendpacket returned %d (%s)\n",
__func__, pcapRet, pcap_geterr(edrvInstance_l.pPcap));
return kErrorInvalidOperation;
}
}
return kErrorOk;
}
void LocalBitmap::getDebugInfo()
{
/* debug function: dumps everything human readable into llinfos */
LL_INFOS() << "===[local bitmap debug]===" << "\n"
<< "path: " << filename << "\n"
<< "name: " << shortname << "\n"
<< "extension: " << extension << "\n"
<< "uuid: " << id << "\n"
<< "last modified: " << last_modified << "\n"
<< "link status: " << getLinkStatus() << "\n"
<< "keep updated: " << keep_updating << "\n"
<< "type: " << bitmap_type << "\n"
<< "is valid: " << valid << "\n"
<< "==========================" << LL_ENDL;
}
bool SCI_Transporter::doSend() {
#ifdef DEBUG_TRANSPORTER
NDB_TICKS startSec=0, stopSec=0;
Uint32 startMicro=0, stopMicro=0, totalMicro=0;
#endif
sci_error_t err;
Uint32 retry=0;
const char * const sendPtr = (char*)m_sendBuffer.m_buffer;
const Uint32 sizeToSend = 4 * m_sendBuffer.m_dataSize; //Convert to number of bytes
if (sizeToSend > 0){
#ifdef DEBUG_TRANSPORTER
if(sizeToSend < 1024 )
i1024++;
if(sizeToSend > 1024 && sizeToSend < 2048 )
i10242048++;
if(sizeToSend==2048)
i2048++;
if(sizeToSend>2048 && sizeToSend < 4096)
i20484096++;
if(sizeToSend==4096)
i4096++;
if(sizeToSend==4097)
i4097++;
#endif
tryagain:
retry++;
if (retry > 3) {
DBUG_PRINT("error", ("SCI Transfer failed"));
report_error(TE_SCI_UNRECOVERABLE_DATA_TFX_ERROR);
return false;
}
Uint32 * insertPtr = (Uint32 *)
(m_TargetSegm[m_ActiveAdapterId].writer)->getWritePtr(sizeToSend);
if(insertPtr != 0) {
const Uint32 remoteOffset=(Uint32)
((char*)insertPtr -
(char*)(m_TargetSegm[m_ActiveAdapterId].mappedMemory));
SCIMemCpy(m_TargetSegm[m_ActiveAdapterId].sequence,
(void*)sendPtr,
m_TargetSegm[m_ActiveAdapterId].rhm[m_ActiveAdapterId].map,
remoteOffset,
sizeToSend,
SCI_FLAG_ERROR_CHECK,
&err);
if (err != SCI_ERR_OK) {
if (err == SCI_ERR_OUT_OF_RANGE ||
err == SCI_ERR_SIZE_ALIGNMENT ||
err == SCI_ERR_OFFSET_ALIGNMENT) {
DBUG_PRINT("error", ("Data transfer error = %d", err));
report_error(TE_SCI_UNRECOVERABLE_DATA_TFX_ERROR);
return false;
}
if(err == SCI_ERR_TRANSFER_FAILED) {
if(getLinkStatus(m_ActiveAdapterId))
goto tryagain;
if (m_adapters == 1) {
DBUG_PRINT("error", ("SCI Transfer failed"));
report_error(TE_SCI_UNRECOVERABLE_DATA_TFX_ERROR);
return false;
}
m_failCounter++;
Uint32 temp=m_ActiveAdapterId;
if (getLinkStatus(m_StandbyAdapterId)) {
failoverShmWriter();
SCIStoreBarrier(m_TargetSegm[m_StandbyAdapterId].sequence,0);
m_ActiveAdapterId=m_StandbyAdapterId;
m_StandbyAdapterId=temp;
DBUG_PRINT("error", ("Swapping from adapter %u to %u",
m_StandbyAdapterId, m_ActiveAdapterId));
} else {
report_error(TE_SCI_UNRECOVERABLE_DATA_TFX_ERROR);
DBUG_PRINT("error", ("SCI Transfer failed"));
}
}
} else {
SHM_Writer * writer = (m_TargetSegm[m_ActiveAdapterId].writer);
writer->updateWritePtr(sizeToSend);
Uint32 sendLimit = writer->getBufferSize();
sendLimit -= writer->getWriteIndex();
m_sendBuffer.m_dataSize = 0;
m_sendBuffer.m_forceSendLimit = sendLimit;
}
} else {
/**
* If we end up here, the SCI segment is full.
*/
DBUG_PRINT("error", ("the segment is full for some reason"));
return false;
} //if
}
return true;
} // doSend()
bool link() {
glLinkProgram(m_GLId);
return getLinkStatus();
}
bool SCI_Transporter::doSend() {
#ifdef DEBUG_TRANSPORTER
NDB_TICKS startSec=0, stopSec=0;
Uint32 startMicro=0, stopMicro=0, totalMicro=0;
#endif
sci_error_t err;
Uint32 retry=0;
if (!fetch_send_iovec_data())
return false;
Uint32 used = m_send_iovec_used;
if (used == 0)
return true; // Nothing to send
#ifdef DEBUG_TRANSPORTER
Uint32 sizeToSend = 0;
for (Uint32 i = 0; i < used; i++)
sizeToSend += m_send_iovec[i].iov_len;
if(sizeToSend < 1024 )
i1024++;
if(sizeToSend > 1024 && sizeToSend < 2048 )
i10242048++;
if(sizeToSend==2048)
i2048++;
if(sizeToSend>2048 && sizeToSend < 4096)
i20484096++;
if(sizeToSend==4096)
i4096++;
if(sizeToSend==4097)
i4097++;
#endif
bool status = true;
Uint32 curr = 0;
Uint32 total = 0;
while (curr < used)
{
tryagain:
if (retry > 3) {
DBUG_PRINT("error", ("SCI Transfer failed"));
report_error(TE_SCI_UNRECOVERABLE_DATA_TFX_ERROR);
status = false;
break;
}
Uint32 segSize = m_send_iovec[curr].iov_len;
Uint32 * insertPtr = (Uint32 *)
(m_TargetSegm[m_ActiveAdapterId].writer)->getWritePtr(segSize);
if(insertPtr != 0) {
const Uint32 remoteOffset=(Uint32)
((char*)insertPtr -
(char*)(m_TargetSegm[m_ActiveAdapterId].mappedMemory));
SCIMemCpy(m_TargetSegm[m_ActiveAdapterId].sequence,
(void*)m_send_iovec[curr].iov_base,
m_TargetSegm[m_ActiveAdapterId].rhm[m_ActiveAdapterId].map,
remoteOffset,
segSize,
SCI_FLAG_ERROR_CHECK,
&err);
if (err != SCI_ERR_OK) {
if (err == SCI_ERR_OUT_OF_RANGE ||
err == SCI_ERR_SIZE_ALIGNMENT ||
err == SCI_ERR_OFFSET_ALIGNMENT) {
DBUG_PRINT("error", ("Data transfer error = %d", err));
report_error(TE_SCI_UNRECOVERABLE_DATA_TFX_ERROR);
status = false;
break;
}
if(err == SCI_ERR_TRANSFER_FAILED) {
if(getLinkStatus(m_ActiveAdapterId))
{
retry++;
goto tryagain;
}
if (m_adapters == 1) {
DBUG_PRINT("error", ("SCI Transfer failed"));
report_error(TE_SCI_UNRECOVERABLE_DATA_TFX_ERROR);
status = false;
break;
}
m_failCounter++;
Uint32 temp=m_ActiveAdapterId;
if (getLinkStatus(m_StandbyAdapterId)) {
failoverShmWriter();
SCIStoreBarrier(m_TargetSegm[m_StandbyAdapterId].sequence,0);
m_ActiveAdapterId=m_StandbyAdapterId;
m_StandbyAdapterId=temp;
DBUG_PRINT("error", ("Swapping from adapter %u to %u",
m_StandbyAdapterId, m_ActiveAdapterId));
} else {
report_error(TE_SCI_UNRECOVERABLE_DATA_TFX_ERROR);
DBUG_PRINT("error", ("SCI Transfer failed"));
}
}
break;
} else {
SHM_Writer * writer = (m_TargetSegm[m_ActiveAdapterId].writer);
writer->updateWritePtr(segSize);
curr++;
total += segSize;
}
} else {
/**
* If we end up here, the SCI segment is full. As long as we manage to
* send _something_, that is ok.
*/
if (curr == 0)
{
DBUG_PRINT("error", ("the segment is full for some reason"));
status = false;
}
break;
} //if
}
if (total > 0)
iovec_data_sent(total);
return status;
} // doSend()
void usart_rx_thread_entry(void *p)
{
unsigned short max_interval,max_datalen;
unsigned int current_mode;
getFrameSplit(&max_interval,&max_datalen);
current_mode = getWorkingMode();
while( rt_sem_take(&rx_sem,RT_WAITING_FOREVER) == RT_EOK )
{
register rt_base_t temp;
FEED_THE_DOG();
// if rj45 not connected, we should route data between 232 and 485.
if( getLinkStatus() == 0 )
{
// we split rx_buf to 2 parts in order to save space.
int len1,len2;
// Clear the semaphore.
temp = rt_hw_interrupt_disable();
rx_sem.value = 0;
rt_hw_interrupt_enable(temp);
do
{
usart_led_flash();
// recv usart1
rt_sem_take(&tx2_sem,RT_WAITING_FOREVER);
len1 = rt_device_read(dev_uart1,0,rx_buf,RX_BUF_SIZE/2);
if( len1 )
dev_uart2->write(dev_uart2, 0, rx_buf, len1);
else
rt_sem_release(&tx2_sem);
// recv usart2
rt_sem_take(&tx1_sem,RT_WAITING_FOREVER);
len2 = rt_device_read(dev_uart2,0,rx_buf+RX_BUF_SIZE/2,RX_BUF_SIZE/2);
if( len2 )
dev_uart1->write(dev_uart1, 0, rx_buf+RX_BUF_SIZE/2, len2);
else
rt_sem_release(&tx1_sem);
}while( (len1 != 0) && (len2 != 0) );
continue;
}
else
{
// Clear the semaphore.
temp = rt_hw_interrupt_disable();
rx_sem.value = 0;
rt_hw_interrupt_enable(temp);
while( 1 )
{
int len;
usart_led_flash();
// read data.
len = rt_device_read(dev_uart1,0,rx_buf+rx_buf_offset,RX_BUF_SIZE-rx_buf_offset);
if( len == 0 )
{
len = rt_device_read(dev_uart2,0,rx_buf+rx_buf_offset,RX_BUF_SIZE-rx_buf_offset);
}
usart_bytes_recv += len;
// If buffer is empty and we received data, start the timer.
if( rx_buf_offset == 0 )
{
if( len == 0 )
{
break;
}
else
{
// if interval less than 10ms, we send data immediately.
if( max_interval >= 10 )
rt_timer_start(&max_interval_timer);
}
}
// move offset pointer.
rx_buf_offset += len;
// check if we should send data out.
if( rx_buf_offset < max_datalen &&
max_interval_timer.parent.flag & RT_TIMER_FLAG_ACTIVATED )
{
break;
}
// Send data out.
if((current_mode == TCP_SERVER)||
(current_mode == TCP_CLIENT)||
(current_mode == TCP_AUTO))
{
int i;
// send data.
for( i = 0 ; i < SOCKET_LIST_SIZE ; i++ )
{
// we should not use RT_WAITING_FOREVER here.
if( rt_mutex_take(&(socket_list[i].mu_sock),10) != RT_EOK )
continue;
// slot not used.
if( socket_list[i].used )
{
// shall not blocking.
if( lwip_send(socket_list[i].socket,rx_buf,rx_buf_offset,0) < 0 )
{
// connection lost.
lwip_close(socket_list[i].socket);
socket_list[i].used = 0;
rt_kprintf("Connection lost.\n");
}
}
rt_mutex_release(&(socket_list[i].mu_sock));
}
}
else if( (current_mode == UDP)||
(current_mode == UDP_MULTICAST) )
{
if( rt_mutex_take(&(socket_list[0].mu_sock),10) == RT_EOK )
{
if( socket_list[0].used )
{
lwip_sendto(socket_list[0].socket,rx_buf,rx_buf_offset,0,
(struct sockaddr*)&(socket_list[0].cliaddr), sizeof(struct sockaddr));
}
rt_mutex_release(&(socket_list[0].mu_sock));
}
}
else
{
rt_kprintf("fatal error! rx thread exits.\n");
return;
}
rx_buf_offset = 0;
}
}
}
rt_kprintf("Error taking semaphore, usart rx exit!\n");
}