ShuriZma
/
dolphin
mirror of https://github.com/dolphin-emu/dolphin.git
1
0
Fork 0
Code Issues Packages Projects Releases Wiki Activity

IOS: Get rid of static state in BT passthrough

This commit is contained in:
Léo Lam 2017-01-12 21:56:44 +01:00
parent 18957bdb0a
commit 0df2ca702b
2 changed files with 27 additions and 27 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

44
Source/Core/Core/IOS/USB/Bluetooth/BTReal.cpp
View File

@ -33,16 +33,6 @@ namespace IOS
{
namespace HLE
{
// This stores the address of paired devices and associated link keys.
// It is needed because some adapters forget all stored link keys when they are reset,
// which breaks pairings because the Wii relies on the Bluetooth module to remember them.
static std::map<btaddr_t, linkkey_t> s_link_keys;
static Common::Flag s_need_reset_keys;
// This flag is set when a libusb transfer failed (for reasons other than timing out)
// and we showed an OSD message about it.
static Common::Flag s_showed_failed_transfer;
static bool IsWantedDevice(const libusb_device_descriptor& descriptor)
{
const int vid = SConfig::GetInstance().m_bt_passthrough_vid;
@ -164,7 +154,7 @@ void BluetoothReal::Close()
IPCCommandResult BluetoothReal::IOCtlV(const IOCtlVRequest& request)
{
if (!m_is_wii_bt_module && s_need_reset_keys.TestAndClear())
if (!m_is_wii_bt_module && m_need_reset_keys.TestAndClear())
{
// Do this now before transferring any more data, so that this is fully transparent to games
SendHCIDeleteLinkKeyCommand();
@ -199,13 +189,13 @@ IPCCommandResult BluetoothReal::IOCtlV(const IOCtlVRequest& request)
Memory::CopyFromEmu(&delete_cmd, cmd->data_address, sizeof(delete_cmd));
if (delete_cmd.delete_all)
{
s_link_keys.clear();
m_link_keys.clear();
}
else
{
btaddr_t addr;
std::copy(std::begin(delete_cmd.bdaddr.b), std::end(delete_cmd.bdaddr.b), addr.begin());
s_link_keys.erase(addr);
m_link_keys.erase(addr);
}
}
auto buffer = std::make_unique<u8[]>(cmd->length + LIBUSB_CONTROL_SETUP_SIZE);
@ -406,14 +396,14 @@ void BluetoothReal::SendHCIDeleteLinkKeyCommand()
bool BluetoothReal::SendHCIStoreLinkKeyCommand()
{
if (s_link_keys.empty())
if (m_link_keys.empty())
return false;
const u8 type = LIBUSB_ENDPOINT_OUT | LIBUSB_REQUEST_TYPE_CLASS | LIBUSB_RECIPIENT_INTERFACE;
// The HCI command field is limited to uint8_t, and libusb to uint16_t.
const u8 payload_size =
static_cast<u8>(sizeof(hci_write_stored_link_key_cp)) +
(sizeof(btaddr_t) + sizeof(linkkey_t)) * static_cast<u8>(s_link_keys.size());
(sizeof(btaddr_t) + sizeof(linkkey_t)) * static_cast<u8>(m_link_keys.size());
std::vector<u8> packet(sizeof(hci_cmd_hdr_t) + payload_size);
auto* header = reinterpret_cast<hci_cmd_hdr_t*>(packet.data());
@ -422,7 +412,7 @@ bool BluetoothReal::SendHCIStoreLinkKeyCommand()
auto* cmd =
reinterpret_cast<hci_write_stored_link_key_cp*>(packet.data() + sizeof(hci_cmd_hdr_t));
cmd->num_keys_write = static_cast<u8>(s_link_keys.size());
cmd->num_keys_write = static_cast<u8>(m_link_keys.size());
// This is really ugly, but necessary because of the HCI command structure:
// u8 num_keys;
@ -430,7 +420,7 @@ bool BluetoothReal::SendHCIStoreLinkKeyCommand()
// u8 key[16];
// where the two last items are repeated num_keys times.
auto iterator = packet.begin() + sizeof(hci_cmd_hdr_t) + sizeof(hci_write_stored_link_key_cp);
for (const auto& entry : s_link_keys)
for (const auto& entry : m_link_keys)
{
std::copy(entry.first.begin(), entry.first.end(), iterator);
iterator += entry.first.size();
@ -539,14 +529,14 @@ void BluetoothReal::LoadLinkKeys()
key[pos++] = value;
}
s_link_keys[address] = key;
m_link_keys[address] = key;
}
}
void BluetoothReal::SaveLinkKeys()
{
std::ostringstream oss;
for (const auto& entry : s_link_keys)
for (const auto& entry : m_link_keys)
{
btaddr_t address;
// Reverse the address so that it is stored in the correct order in the config file
@ -625,16 +615,16 @@ void BluetoothReal::HandleCtrlTransfer(libusb_transfer* tr)
if (tr->status != LIBUSB_TRANSFER_COMPLETED && tr->status != LIBUSB_TRANSFER_NO_DEVICE)
{
ERROR_LOG(IOS_WIIMOTE, "libusb command transfer failed, status: 0x%02x", tr->status);
if (!s_showed_failed_transfer.IsSet())
if (!m_showed_failed_transfer.IsSet())
{
Core::DisplayMessage("Failed to send a command to the Bluetooth adapter.", 10000);
Core::DisplayMessage("It may not be compatible with passthrough mode.", 10000);
s_showed_failed_transfer.Set();
m_showed_failed_transfer.Set();
}
}
else
{
s_showed_failed_transfer.Clear();
m_showed_failed_transfer.Clear();
}
const auto& command = m_current_transfers.at(tr).command;
command->FillBuffer(libusb_control_transfer_get_data(tr), tr->actual_length);
@ -652,16 +642,16 @@ void BluetoothReal::HandleBulkOrIntrTransfer(libusb_transfer* tr)
tr->status != LIBUSB_TRANSFER_NO_DEVICE)
{
ERROR_LOG(IOS_WIIMOTE, "libusb transfer failed, status: 0x%02x", tr->status);
if (!s_showed_failed_transfer.IsSet())
if (!m_showed_failed_transfer.IsSet())
{
Core::DisplayMessage("Failed to transfer to or from to the Bluetooth adapter.", 10000);
Core::DisplayMessage("It may not be compatible with passthrough mode.", 10000);
s_showed_failed_transfer.Set();
m_showed_failed_transfer.Set();
}
}
else
{
s_showed_failed_transfer.Clear();
m_showed_failed_transfer.Clear();
}
if (tr->status == LIBUSB_TRANSFER_COMPLETED && tr->endpoint == HCI_EVENT)
@ -676,13 +666,13 @@ void BluetoothReal::HandleBulkOrIntrTransfer(libusb_transfer* tr)
std::copy(std::begin(notification->bdaddr.b), std::end(notification->bdaddr.b), addr.begin());
linkkey_t key;
std::copy(std::begin(notification->key), std::end(notification->key), std::begin(key));
s_link_keys[addr] = key;
m_link_keys[addr] = key;
}
else if (event->event == HCI_EVENT_COMMAND_COMPL &&
reinterpret_cast<hci_command_compl_ep*>(tr->buffer + sizeof(*event))->opcode ==
HCI_CMD_RESET)
{
s_need_reset_keys.Set();
m_need_reset_keys.Set();
}
}

10
Source/Core/Core/IOS/USB/Bluetooth/BTReal.h
View File

@ -98,6 +98,16 @@ private:
Common::Flag m_fake_vendor_command_reply;
u16 m_fake_vendor_command_reply_opcode;
// This stores the address of paired devices and associated link keys.
// It is needed because some adapters forget all stored link keys when they are reset,
// which breaks pairings because the Wii relies on the Bluetooth module to remember them.
std::map<btaddr_t, linkkey_t> m_link_keys;
Common::Flag m_need_reset_keys;
// This flag is set when a libusb transfer failed (for reasons other than timing out)
// and we showed an OSD message about it.
Common::Flag m_showed_failed_transfer;
bool m_is_wii_bt_module = false;
void WaitForHCICommandComplete(u16 opcode);