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#include "connection_manager.h"
#include <iostream>
#include <rtmidi/RtMidi.h>
namespace midi_router
{
struct Device_Connection
{
Device_Id source_id;
std::function<void(Message const &)> const & submit;
RtMidiIn midi_in {};
RtMidiOut midi_out {};
};
static void
callback(double time_stamp, std::vector<unsigned char> *raw, void *user_data)
{
Device_Connection* device = static_cast<Device_Connection*>(user_data);
if (raw->size() != 3)
{
std::cerr << "Received message with wrong size from " << device->source_id << ", dropping\n";
}
Message message { device->source_id, {raw->at(0), raw->at(1), raw->at(2)} };
device->submit(message);
}
Connection_Manager::Connection_Manager(Device_Map const & device_map, std::function<void(Message const &)> const & submit):
m_device_map(device_map),
m_submit(submit),
m_connections{}
{
for (auto const & [name, id] : device_map)
{
m_connections[id] = std::make_unique<Device_Connection>(id, submit);
auto & connection = m_connections[id];
connection->midi_in.setCallback(&callback, connection.get());
connection->midi_in.ignoreTypes(true, true, true);
if (!open_port(&connection->midi_in, name))
{
std::cerr << "Input port not found for device " << name << "\n";
}
if (!open_port(&connection->midi_out, name))
{
std::cerr << "Output port not found for device " << name << "\n";
}
}
}
Connection_Manager::~Connection_Manager() = default;
bool
Connection_Manager::open_port(RtMidi* const midi, std::string const & name)
{
for (std::size_t i = 0; i < midi->getPortCount(); ++i)
{
if (midi->getPortName(i).contains(name))
{
midi->openPort(i);
return true;
}
}
return false;
}
} // namespace midi_router
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