Files
U2FDevice/Controller.cpp

47 lines
794 B
C++

#include "Controller.hpp"
#include "u2f.hpp"
#include <iostream>
#include "IO.hpp"
using namespace std;
Controller::Controller(const uint32_t startChannel)
: channels{}, currChannel{ startChannel }
{}
void Controller::handleTransaction()
{
auto msg = U2FMessage::readNonBlock();
if (!msg)
return;
auto opChannel = msg->cid;
if (msg->cmd == U2FHID_INIT)
{
opChannel = nextChannel();
auto channel = Channel{ opChannel };
try
{
channels.emplace(opChannel, channel); //In case of wrap-around replace existing one
}
catch (...)
{
channels.insert(make_pair(opChannel, channel));
}
}
channels.at(opChannel).handle(msg);
}
uint32_t Controller::nextChannel()
{
do
currChannel++;
while (currChannel == 0xFFFFFFFF || currChannel == 0);
return currChannel;
}