Example #1
0
void
RpcPdu::fragLenSet ()
    {
    TRACE_CALL;
    int len = hdrLen () + payloadLen ();
    m_header.request.hdr.fragLen = len;
    if (packetType () == RPC_CN_PKT_REQUEST)
        m_header.request.allocHint = len;
    else if (packetType () == RPC_CN_PKT_RESPONSE)
        m_header.response.allocHint = len;
    }
Example #2
0
void Packet::decodePacket() {
	if (packetType() == PACKET_ERROR) {
		char message[sizeof(packet.data.error.message)+1];
		memset(message, 0, sizeof(message));
		strncpy(message, (const char *)packet.data.error.message, sizeof(message));
		errorString = message;
		errorString.remove("\n");
	}
	else
		errorString = "";

	if (packetType() == PACKET_COMMAND) {
		char cmd[sizeof(packet.data.command.cmd)+1];
		memset(cmd, 0, sizeof(cmd));
		memcpy(cmd, packet.data.command.cmd, sizeof(packet.data.command.cmd));
		commandNameString = cmd;
		commandNameString.remove("\n");
	}
	else
		commandNameString = "";

	if (packetType() == PACKET_SD_CID) {
		cardCID.sprintf("%02x %02x %02x %02x %02x %02x %02x %02x",
						packet.data.cid.cid[0],
						packet.data.cid.cid[1],
						packet.data.cid.cid[2],
						packet.data.cid.cid[3],
						packet.data.cid.cid[4],
						packet.data.cid.cid[5],
						packet.data.cid.cid[6],
						packet.data.cid.cid[7]
						);
	}
	else
		cardCID = "";

	if (packetType() == PACKET_SD_CSD) {
		cardCSD.sprintf("%02x %02x %02x %02x %02x %02x %02x %02x",
						packet.data.csd.csd[0],
						packet.data.csd.csd[1],
						packet.data.csd.csd[2],
						packet.data.csd.csd[3],
						packet.data.csd.csd[4],
						packet.data.csd.csd[5],
						packet.data.csd.csd[6],
						packet.data.csd.csd[7]
						);
	}
	else
		cardCSD = "";

}
Example #3
0
// Try to get a single packet from a stream of data.
// Returns 0 if the packet was successfully processed, or
// -1 on an error, in which case the state is unchanged.
static ssize_t
dataReceivedSingle(NetConnection *conn, const uint8 *data,
		size_t dataLen) {
	uint32 packetLen;
	PacketType type;
	int result;
	
	if (dataLen < sizeof (PacketHeader)) {
		// Incomplete packet. We'll have to wait for the rest.
		return 0;
	}
	
	packetLen = packetLength((const Packet *) data);
	type = packetType((const Packet *) data);

	if (!validPacketType(type)) {
		log_add(log_Warning, "Packet with invalid type %d received.\n", type);
		errno = EBADMSG;
		return -1;
	}

	if (packetLen < packetTypeData[type].len) {
		// Bad len field of packet.
		log_add(log_Warning, "Packet with bad length field received (type="
				"%s, lenfield=%d.\n", packetTypeData[type].name,
				packetLen);
		errno = EBADMSG;
		return -1;
	}

	if (dataLen < packetLen) {
		// Incomplete packet. We'll have to wait for the rest.
		return 0;
	}

#ifdef NETPLAY_STATISTICS
	NetConnection_getStatistics(conn)->packetsReceived++;
	NetConnection_getStatistics(conn)->packetTypeReceived[type]++;
#endif

#ifdef NETPLAY_DEBUG
	if (type != PACKET_BATTLEINPUT && type != PACKET_CHECKSUM) {
		// Reporting BattleInput and Checksum would get so spammy that it
		// would slow down the battle.
		log_add(log_Debug, "NETPLAY: [%d] <== Received packet of type %s.\n",
				NetConnection_getPlayerNr(conn), packetTypeData[type].name);
	}
#endif
	
	result = packetTypeData[type].handler(conn, data);
	if (result == -1) {
		// An error occured. errno is set by the handler.
		return -1;
	}

	return packetLen;
}
Example #4
0
void
queuePacket(NetConnection *conn, Packet *packet, bool urgent) {
	PacketQueue *queue;
	PacketQueueLink *link;

	assert(NetConnection_isConnected(conn));
	assert(!urgent || !packetTypeData[packetType(packet)].inTurn);
			// Urgent packets should never stall the connection.
	
	queue = &conn->queue;

	link = PacketQueueLink_alloc();
	link->packet = packet;
	link->next = NULL;
	if (urgent) {
		*queue->endUrgent = link;
		queue->endUrgent = &link->next;
	} else {
		*queue->end = link;
		queue->end = &link->next;
	}

	queue->size++;
	// XXX: perhaps check that this queue isn't getting too large?

#ifdef NETPLAY_DEBUG
	if (packetType(packet) != PACKET_BATTLEINPUT &&
			packetType(packet) != PACKET_CHECKSUM) {
		// Reporting BattleInput or Checksum would get so spammy that it
		// would slow down the battle.
		log_add(log_Debug, "NETPLAY: [%d] ==> Queueing packet of type %s.\n",
				NetConnection_getPlayerNr(conn),
				packetTypeData[packetType(packet)].name);
	}
#endif
}
Example #5
0
// If an error occurs during sending, we leave the unsent packets in
// the queue, and let the caller decide what to do with them.
// This function may return -1 with errno EAGAIN if we're waiting for
// the other party to act first.
static int
flushPacketQueueLinks(NetConnection *conn, PacketQueueLink **first) {
	PacketQueueLink *link;
	PacketQueueLink *next;
	PacketQueue *queue = &conn->queue;
	
	for (link = *first; link != NULL; link = next) {
		if (packetTypeData[packetType(link->packet)].inTurn &&
				(!conn->stateFlags.myTurn || conn->stateFlags.endingTurn)) {
			// This packet requires it to be 'our turn', and it isn't,
			// or we've already told the other party we wanted to end our
			// turn.
			// This should never happen in the urgent queue.
			assert(first != &queue->firstUrgent);

			if (!conn->stateFlags.myTurn && !conn->stateFlags.endingTurn) {
				conn->stateFlags.endingTurn = true;
				if (sendEndTurnDirect(conn) == -1) {
					// errno is set
					*first = link;
					return -1;
				}
			}

			*first = link;
			errno = EAGAIN;
					// We need to wait for the reply to the turn change.
			return -1;
		}
		
		if (sendPacket(conn, link->packet) == -1) {
			// Errno is set.
			*first = link;
			return -1;
		}
		
		next = link->next;
		Packet_delete(link->packet);
		PacketQueueLink_delete(link);
		queue->size--;
	}

	*first = link;
	return 0;
}
Example #6
0
uint8_t Packet::resetVersion() const {
	if (packetType() != PACKET_RESET)
		return 0;
	return packet.data.reset.version;
}
Example #7
0
uint8_t Packet::sdRegister() const {
	if (packetType() != PACKET_SD_CMD_ARG)
        return 0;
    return packet.data.sd_cmd_arg.reg;
}
//-----------------------------------------------------------------------------
CCSDS::PACKET::TCpacket::TCpacket()
//-----------------------------------------------------------------------------
{
  packetType(TC_PACKET_TYPE);
}
Example #9
0
uint8_t Packet::nandControl() const {
	if (packetType() != PACKET_NAND_CYCLE)
        return 0;
	return packet.data.nand_cycle.control;
}
Example #10
0
bool
RpcPdu::isFault () const
    {
    return (packetType () == RPC_CN_PKT_FAULT);
    }
Example #11
0
uint8_t Packet::nandData() const {
	if (packetType() != PACKET_NAND_CYCLE)
        return 0;
	return nand_unscramble_byte(packet.data.nand_cycle.data);
}
Example #12
0
bool
RpcPdu::isBindAck () const
    {
    return (packetType () == RPC_CN_PKT_BIND_ACK);
    }
Example #13
0
bool
RpcPdu::isAuth3 () const
    {
    return (packetType () == RPC_CN_PKT_AUTH3);
    }
Example #14
0
bool
RpcPdu::isRequest () const
    {
    return (packetType () == RPC_CN_PKT_REQUEST);
    }
Example #15
0
uint32_t Packet::errorSubsystem() const {
	if (packetType() != PACKET_ERROR)
		return 0;
	return packet.data.error.subsystem;
}
Example #16
0
uint32_t Packet::errorArgument() const {
	if (packetType() != PACKET_ERROR)
		return 0;
	return _ntohs(packet.data.error.arg);
}
Example #17
0
uint32_t Packet::errorCode() const {
	if (packetType() != PACKET_ERROR)
		return 0;
	return packet.data.error.code;
}
Example #18
0
uint16_t Packet::nandUnknown() const {
	if (packetType() != PACKET_NAND_CYCLE)
		return 0;
	return _ntohs(packet.data.nand_cycle.unknown);
}
Example #19
0
bool
RpcPdu::isBind () const
    {
    return ((packetType () == RPC_CN_PKT_BIND) ||
            (packetType () == RPC_CN_PKT_ALTER_CONTEXT));
    }
Example #20
0
uint8_t Packet::sdValue() const {
	if (packetType() != PACKET_SD_CMD_ARG)
        return 0;
    return packet.data.sd_cmd_arg.val;
}
Example #21
0
bool
RpcPdu::isBindNak () const
    {
    return (packetType () == RPC_CN_PKT_BIND_NAK);
    }
Example #22
0
uint8_t Packet::commandState() const {
	if (packetType() != PACKET_COMMAND)
		return 0;
	return packet.data.command.start_stop;
}
Example #23
0
bool
RpcPdu::isResponse () const
    {
    return (packetType () == RPC_CN_PKT_RESPONSE);
    }
Example #24
0
uint32_t Packet::commandArg() const {
	if (packetType() != PACKET_COMMAND)
		return 0;
	return _ntohl(packet.data.command.arg);
}
Example #25
0
bool
RpcPdu::isAlterContextResp () const
    {
    return (packetType () == RPC_CN_PKT_ALTER_CONTEXT_RESP);
    }
Example #26
0
uint8_t Packet::helloVersion() const {
	if (packetType() != PACKET_HELLO)
		return 0;
	return packet.data.hello.version;
}
//-----------------------------------------------------------------------------
CCSDS::PACKET::TMpacket::TMpacket()
//-----------------------------------------------------------------------------
{
  packetType(TM_PACKET_TYPE);
}
Example #28
0
uint8_t Packet::sdResponse() const {
	if (packetType() != PACKET_SD_RESPONSE)
		return 0;
	return packet.data.response.byte;
}
//-----------------------------------------------------------------------------
CCSDS::PACKET::TCpacket::TCpacket(size_t p_bufferSize):
  CCSDS::PACKET::Packet::Packet(p_bufferSize)
//-----------------------------------------------------------------------------
{
  packetType(TC_PACKET_TYPE);
}
Example #30
0
uint8_t Packet::bufferDrainEvent() const {
	if (packetType() != PACKET_BUFFER_DRAIN)
		return 0;
	return packet.data.buffer_drain.start_stop;
}