/*
* hidl interface for wpa_supplicant daemon
* Copyright (c) 2004-2018, Jouni Malinen <j@w1.fi>
* Copyright (c) 2004-2018, Roshan Pius <rpius@google.com>
*
* This software may be distributed under the terms of the BSD license.
* See README for more details.
*/
#include <hwbinder/IPCThreadState.h>
#include <hidl/HidlTransportSupport.h>
#include "hostapd.h"
extern "C"
{
#include "hidl.h"
#include "utils/common.h"
#include "utils/eloop.h"
#include "utils/includes.h"
}
using android::hardware::configureRpcThreadpool;
using android::hardware::IPCThreadState;
using android::hardware::wifi::hostapd::V1_0::IHostapd;
using android::hardware::wifi::hostapd::V1_0::implementation::Hostapd;
// This file is a bridge between the hostapd code written in 'C' and the HIDL
// interface in C++. So, using "C" style static globals here!
static int hidl_fd = -1;
static android::sp<IHostapd> service;
void hostapd_hidl_sock_handler(
int /* sock */, void * /* eloop_ctx */, void * /* sock_ctx */)
{
IPCThreadState::self()->handlePolledCommands();
}
int hostapd_hidl_init(struct hapd_interfaces *interfaces)
{
wpa_printf(MSG_DEBUG, "Initing hidl control");
IPCThreadState::self()->disableBackgroundScheduling(true);
IPCThreadState::self()->setupPolling(&hidl_fd);
if (hidl_fd < 0)
goto err;
wpa_printf(MSG_INFO, "Processing hidl events on FD %d", hidl_fd);
// Look for read events from the hidl socket in the eloop.
if (eloop_register_read_sock(
hidl_fd, hostapd_hidl_sock_handler, interfaces, NULL) < 0)
goto err;
service = new Hostapd(interfaces);
if (!service)
goto err;
if (service->registerAsService() != android::NO_ERROR)
goto err;
return 0;
err:
hostapd_hidl_deinit(interfaces);
return -1;
}
void hostapd_hidl_deinit(struct hapd_interfaces *interfaces)
{
wpa_printf(MSG_DEBUG, "Deiniting hidl control");
eloop_unregister_read_sock(hidl_fd);
IPCThreadState::shutdown();
hidl_fd = -1;
service.clear();
}