blob: 164b01a342c165c2995498e53491fee888c5a1cb [file] [log] [blame]
/*
* Copyright (C) 2008 The Android Open Source Project
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
#include <stdlib.h>
#include <errno.h>
#include <fcntl.h>
#include <string.h>
#include <sys/socket.h>
#include <sys/stat.h>
#include <sys/types.h>
#include <sys/wait.h>
#include <netinet/in.h>
#include <arpa/inet.h>
#ifdef HAVE_BLUETOOTH
#include <bluedroid/bluetooth.h>
#endif
#define LOG_TAG "PanController"
#include <cutils/log.h>
#include "PanController.h"
#ifdef HAVE_BLUETOOTH
extern "C" int bt_is_enabled();
#endif
PanController::PanController() {
mPid = 0;
}
PanController::~PanController() {
}
int PanController::startPan() {
pid_t pid;
#ifdef HAVE_BLUETOOTH
if (!bt_is_enabled()) {
ALOGE("Cannot start PAN services - Bluetooth not running");
errno = ENODEV;
return -1;
}
#else
ALOGE("Cannot start PAN services - No Bluetooth support");
errno = ENODEV;
return -1;
#endif
if (mPid) {
ALOGE("PAN already started");
errno = EBUSY;
return -1;
}
if ((pid = fork()) < 0) {
ALOGE("fork failed (%s)", strerror(errno));
return -1;
}
if (!pid) {
if (execl("/system/bin/pand", "/system/bin/pand", "--nodetach", "--listen",
"--role", "NAP", (char *) NULL)) {
ALOGE("execl failed (%s)", strerror(errno));
}
ALOGE("Should never get here!");
return 0;
} else {
mPid = pid;
}
return 0;
}
int PanController::stopPan() {
if (mPid == 0) {
ALOGE("PAN already stopped");
return 0;
}
ALOGD("Stopping PAN services");
kill(mPid, SIGTERM);
waitpid(mPid, NULL, 0);
mPid = 0;
ALOGD("PAN services stopped");
return 0;
}
bool PanController::isPanStarted() {
return (mPid != 0 ? true : false);
}