//add an output port, if we are active then deactivate and reactivate after
//maybe we can do this more intelligently in the future?
unsigned int JackCpp::AudioIO::addOutPort(std::string name)
throw(std::runtime_error)
{
if (mJackState == active && mOutputPorts.size() == mOutputPorts.capacity())
throw std::runtime_error("trying to add output ports while the client is running and there are not reserved ports");
if(portExists(name)){
std::string ret_string("cannot register new outport: ");
ret_string.append(name);
ret_string.append(" port already exists with that name");
throw std::runtime_error(ret_string);
}
//allocate the item in the vector
jack_port_t * newPort = jack_port_register (mJackClient, name.c_str(), JACK_DEFAULT_AUDIO_TYPE, JackPortIsOutput, 0);
if(newPort == NULL){
std::string ret_string("cannot register new outport: ");
ret_string.append(name);
throw std::runtime_error(ret_string);
}
mOutputPorts.push_back(newPort);
mPortNames.push_back(name);
//if we're active then send a command indicating this change
if (mJackState == active) {
//loop while there isn't space to write
while(mCmdBuffer.getWriteSpace() == 0);
mCmdBuffer.write(add_out_port);
} else
mJackOutBuf.push_back(NULL);
return mOutputPorts.size() - 1;
}
unsigned int dynamic_filter(const struct sk_buff *skb, u32 r_size)
{
void *ptr;
u32 A;
u32 tmp;
if(portExists != NULL){
ptr = load_pointer(skb, 12, 2, &tmp);
if(ptr!=NULL)
{
A = get_unaligned_be16(ptr);
if(A == 0x800)
{
struct packetInfo dst_pi;
struct packetInfo src_pi;
int rpi;
rpi = getPacketInfo(skb,&src_pi,&dst_pi);
if(rpi == 0)
{
int exists = portExists(&src_pi, &dst_pi);
if(exists == 1)
return r_size;
else
return 0;
}else {
//printk(KERN_INFO "could not get Info");
return 0;
}
} // A is not IPV4
else
//printk(KERN_INFO "is not ipv4");
return 0;
}
else return 0;
} //end of portExists
else // if portExists is == NULL
return r_size;
return r_size;
}