static pANTLR3_COMMON_TOKEN pythonbriefLexer_nextTokenImpl( pANTLR3_TOKEN_SOURCE toksource )
{
pANTLR3_LEXER lexer = (pANTLR3_LEXER)( toksource->super );
ppythonbriefLexer ctx = (ppythonbriefLexer) lexer->ctx;
for ( ; ; )
{
if ( ctx->tokens->count > 0 )
{
return (pANTLR3_COMMON_TOKEN) vectorRemove( ctx->tokens, 0 );
}
pythonbriefLexer_insertImaginaryIndentDedentTokens( ctx, toksource );
}
assert( 0 == 1 ); // This part of code should be never reached
}
void lmHandlerReceiveLargeMessage(NodeManagerInterface nmi, JausMessage message)
{
LargeMessageList msgList;
JausMessage tempMessage;
JausMessage outMessage;
int i;
unsigned long sequenceNumber;
unsigned long index;
JausUnsignedInteger newDataSize = 0;
JausUnsignedInteger bufferIndex = 0;
char address[128] = {0};
switch(message->dataFlag)
{
case JAUS_FIRST_DATA_PACKET:
// Check for valid SeqNumber(0), else Error
if(message->sequenceNumber)
{
cError("LargeMessageHandler: Received First Data Packet with invalid Sequence Number(%d)\n", message->sequenceNumber);
jausMessageDestroy(message);
return;
}
// Check if LargeMessageList exists (same CC & Source)
msgList = lmHandlerGetMessageList(nmi->lmh, message);
if(msgList)
{
// Destroy the list and all messages
vectorRemove(nmi->lmh->messageLists, msgList, (void *)lmHandlerMessageListEqual);
lmListDestroy(msgList);
}
// create LargeMessageList
msgList = lmListCreate();
vectorAdd(nmi->lmh->messageLists, msgList);
// add message to LargeMessageList at first position
msgList->commandCode = message->commandCode;
msgList->source->id = message->source->id;
vectorAdd(msgList->messages, message);
break;
case JAUS_NORMAL_DATA_PACKET:
// Check if LargeMessageList exists, error if not
msgList = lmHandlerGetMessageList(nmi->lmh, message);
if(msgList)
{
// Check if item exists in LargeMessageList with seqNumber
if(vectorContains(msgList->messages, message, (void *)lmHandlerLargeMessageCheck) != -1)
{
cError("LargeMessageHandler: Received duplicate NORMAL_DATA_PACKET\n");
jausMessageDestroy(message);
}
else
{
// insert to Vector
vectorAdd(msgList->messages, message);
}
}
else
{
// Destroy Message
cError("LargeMessageHandler: Received NORMAL_DATA_PACKET (0x%4X) for unknown Large Message Set (never received JAUS_FIRST_DATA_PACKET)\n", message->commandCode);
jausMessageDestroy(message);
}
break;
case JAUS_RETRANSMITTED_DATA_PACKET:
// Check if LargeMessageList exists, error if not
msgList = lmHandlerGetMessageList(nmi->lmh, message);
if(msgList)
{
// Check if item exists in LargeMessageList with seqNumber
if(vectorContains(msgList->messages, message, (void *)lmHandlerLargeMessageCheck) != -1)
{
tempMessage = (JausMessage) vectorRemove(msgList->messages, message, (void *)lmHandlerLargeMessageCheck);
jausMessageDestroy(tempMessage);
}
// insert to Vector
vectorAdd(msgList->messages, message);
}
else
{
cError("LargeMessageHandler: Received RETRANSMITTED_DATA_PACKET for unknown Large Message Set (never received JAUS_FIRST_DATA_PACKET)\n");
jausMessageDestroy(message);
}
break;
case JAUS_LAST_DATA_PACKET:
// Check if LargeMessageList exists, error if not
msgList = lmHandlerGetMessageList(nmi->lmh, message);
if(msgList)
{
// insert message to end of list
vectorAdd(msgList->messages, message);
// Create JausMessage object
outMessage = jausMessageCreate();
// Calculate new message size
newDataSize = 0;
for(i = 0; i < msgList->messages->elementCount; i++)
{
tempMessage = (JausMessage)msgList->messages->elementData[i];
newDataSize += tempMessage->dataSize;
}
// Setup Header and Data Buffer
outMessage->properties = tempMessage->properties;
outMessage->commandCode = tempMessage->commandCode;
outMessage->destination->id = tempMessage->destination->id;
outMessage->source->id = tempMessage->source->id;
outMessage->dataControl = tempMessage->dataControl;
outMessage->sequenceNumber = tempMessage->sequenceNumber;
outMessage->data = (unsigned char *) malloc(newDataSize);
// Populate new message
sequenceNumber = 0;
bufferIndex = 0;
while(sequenceNumber <= message->sequenceNumber)
{
index = 0;
do
{
tempMessage = (JausMessage)msgList->messages->elementData[index];
index++;
if(index > msgList->messages->elementCount)
{
// Invalid set of messages
//TODO: Here is when you would request a retransmittal if ACK/NAK is set and ask the sending component to resend some packets
// Received LAST_DATA_PACKET, but do not have proper sequence of messages
// Destroy the list and all messages
vectorRemove(nmi->lmh->messageLists, msgList, (void *)lmHandlerMessageListEqual);
lmListDestroy(msgList);
cError("LargeMessageHandler: Received LAST_DATA_PACKET, but do not have proper sequence of messages\n");
jausMessageDestroy(outMessage);
return;
}
}
while(tempMessage->sequenceNumber != sequenceNumber);
// Move data from tempMessage to outMessage
memcpy(outMessage->data + bufferIndex, tempMessage->data, tempMessage->dataSize);
bufferIndex += tempMessage->dataSize;
sequenceNumber++; // TOM: switched from i++
}
// Set DataSize
// Set proper header flags (dataFlag JAUS_SINGLE_DATA_PACKET)
outMessage->dataSize = newDataSize;
outMessage->dataFlag = JAUS_SINGLE_DATA_PACKET;
if(outMessage->scFlag)
{
scManagerReceiveMessage(nmi, outMessage);
}
else
{
queuePush(nmi->receiveQueue, (void *)outMessage);
}
// Destroy LargeMessageList
vectorRemove(nmi->lmh->messageLists, msgList, (void *)lmHandlerMessageListEqual);
lmListDestroy(msgList);
}
else
{
cError("LargeMessageHandler: Received LAST_DATA_PACKET for unknown Large Message Set (never received JAUS_FIRST_DATA_PACKET)\n");
jausMessageDestroy(message);
}
break;
default:
jausAddressToString(message->source, address);
cError("lmHandler: Received (%s) with improper dataFlag (%d) from %s\n", jausMessageCommandCodeString(message), message->dataFlag, address);
jausMessageDestroy(message);
break;
}
}
