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/*
* aidl 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 "hostapd.h"
#include <android/binder_process.h>
#include <android/binder_manager.h>
extern "C"
{
#include "aidl.h"
#include "utils/common.h"
#include "utils/eloop.h"
#include "utils/includes.h"
}
using aidl::android::hardware::wifi::hostapd::Hostapd;
// This file is a bridge between the hostapd code written in 'C' and the aidl
// interface in C++. So, using "C" style static globals here!
static int aidl_fd = -1;
static std::shared_ptr<Hostapd> service;
void hostapd_aidl_sock_handler(
int /* sock */, void * /* eloop_ctx */, void * /* sock_ctx */)
{
ABinderProcess_handlePolledCommands();
}
int hostapd_aidl_init(struct hapd_interfaces *interfaces)
{
wpa_printf(MSG_DEBUG, "Initializing aidl control");
std::string instance; // declared here to allow use of goto
ABinderProcess_setupPolling(&aidl_fd);
if (aidl_fd < 0)
goto err;
wpa_printf(MSG_INFO, "Processing aidl events on FD %d", aidl_fd);
// Look for read events from the aidl socket in the eloop.
if (eloop_register_read_sock(
aidl_fd, hostapd_aidl_sock_handler, interfaces, NULL) < 0)
goto err;
wpa_printf(MSG_DEBUG, "Make service");
service = ndk::SharedRefBase::make<Hostapd>(interfaces);
if (!service)
goto err;
wpa_printf(MSG_DEBUG, "Add service");
instance = std::string() + Hostapd::descriptor + "/default";
if (AServiceManager_addService(service->asBinder().get(), instance.c_str()) != STATUS_OK)
goto err;
return 0;
err:
hostapd_aidl_deinit(interfaces);
return -1;
}
void hostapd_aidl_deinit(struct hapd_interfaces *interfaces)
{
wpa_printf(MSG_INFO, "Deiniting aidl control");
// Before aidl deinit, make sure call terminate to clear callback_
if (service) {
service->terminate();
}
eloop_unregister_read_sock(aidl_fd);
aidl_fd = -1;
}
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