/** Called by the current ClockSyncProvider after each Clock synchronization */
public void onClockUpdate(long offset) {
s_logger.info("Clock update. Offset: {}", offset);
// set system clock if necessary
boolean bClockUpToDate = false;
if (offset != 0) {
long time = System.currentTimeMillis() + offset;
SafeProcess proc = null;
try {
proc = ProcessUtil.exec("date -s @" + time / 1000); // divide by 1000 to switch to seconds
proc.waitFor();
if (proc.exitValue() == 0) {
bClockUpToDate = true;
s_logger.info("System Clock Updated to {}", new Date());
} else {
s_logger.error(
"Unexpected error while updating System Clock - it should've been {}", new Date());
}
} catch (Exception e) {
s_logger.error("Error updating System Clock", e);
} finally {
if (proc != null) ProcessUtil.destroy(proc);
}
} else {
bClockUpToDate = true;
}
// set hardware clock
boolean updateHwClock = false;
if (m_properties.containsKey("clock.set.hwclock")) {
updateHwClock = (Boolean) m_properties.get("clock.set.hwclock");
}
if (updateHwClock) {
SafeProcess proc = null;
try {
proc = ProcessUtil.exec("hwclock --utc --systohc");
proc.waitFor();
if (proc.exitValue() == 0) {
s_logger.info("Hardware Clock Updated");
} else {
s_logger.error("Unexpected error while updating Hardware Clock");
}
} catch (Exception e) {
s_logger.error("Error updating Hardware Clock", e);
} finally {
if (proc != null) ProcessUtil.destroy(proc);
}
}
// Raise the event
if (bClockUpToDate) {
m_eventAdmin.postEvent(new ClockEvent(new HashMap<String, Object>()));
}
}
public void addStaticRoute(
IPAddress destination, IPAddress gateway, IPAddress netmask, String iface, int metric)
throws Exception {
RouteConfig tmpRoute = null;
StringBuffer command = new StringBuffer();
command.append("route add -net " + destination.getHostAddress() + " ");
if (netmask != null) {
command.append("netmask " + netmask.getHostAddress() + " ");
}
if (gateway != null) {
if ((gateway.getHostAddress().compareTo("0.0.0.0") != 0)
&& (gateway.getHostAddress().compareTo("127.0.0.1") != 0)) {
command.append("gw " + gateway.getHostAddress() + " ");
}
}
if (iface != null) {
command.append("dev " + iface + " ");
}
if (metric != 0 && metric != -1) {
command.append("metric " + metric);
}
SafeProcess proc = null;
try {
s_logger.debug("Executing command: " + command.toString());
proc = ProcessUtil.exec(command.toString());
proc.waitFor();
if (proc.exitValue() != 0) {
s_logger.error("Error adding static Route: " + command.toString());
throw new Exception("Error adding Static Route");
}
} catch (IOException e) {
s_logger.error("Error executing command: route -n");
throw e;
} finally {
if (proc != null) ProcessUtil.destroy(proc);
}
if (destination instanceof IP4Address) {
tmpRoute =
new RouteConfigIP4(
(IP4Address) destination, (IP4Address) gateway, (IP4Address) netmask, iface, -1);
} else if (destination instanceof IP6Address) {
tmpRoute =
new RouteConfigIP6(
(IP6Address) destination, (IP6Address) gateway, (IP6Address) netmask, iface, -1);
}
s_logger.info("Static route added successfully");
s_logger.debug(tmpRoute.getDescription());
}
public RouteConfig[] getRoutes() {
String routeEntry = null;
ArrayList<RouteConfig> routeList = new ArrayList<RouteConfig>();
RouteConfig[] routes = null;
RouteConfig tmpRoute = null;
SafeProcess proc = null;
BufferedReader br = null;
try {
proc = ProcessUtil.exec("route -n");
proc.waitFor();
br = new BufferedReader(new InputStreamReader(proc.getInputStream()));
br.readLine();
br.readLine();
while ((routeEntry = br.readLine()) != null) {
tmpRoute = entryToRoute(routeEntry);
if (tmpRoute != null) {
routeList.add(tmpRoute);
}
}
} catch (Exception e) {
s_logger.error("Error executing command: route -n", e);
return null;
} finally {
if (br != null) {
try {
br.close();
} catch (IOException ex) {
s_logger.error("I/O Exception while closing BufferedReader!");
}
}
if (proc != null) ProcessUtil.destroy(proc);
}
routes = new RouteConfig[routeList.size()];
for (int i = 0; i < routes.length; i++) {
routes[i] = (RouteConfig) routeList.get(i);
}
return routes;
}
private static String runSystemInfoCommand(String[] commands) {
StringBuffer response = new StringBuffer();
SafeProcess proc = null;
BufferedReader br = null;
try {
proc = ProcessUtil.exec(commands);
proc.waitFor();
br = new BufferedReader(new InputStreamReader(proc.getInputStream()));
String line = null;
String newLine = "";
while ((line = br.readLine()) != null) {
response.append(newLine);
response.append(line);
newLine = "\n";
}
} catch (Exception e) {
StringBuilder command = new StringBuilder();
String delim = "";
for (int i = 0; i < commands.length; i++) {
command.append(delim);
command.append(commands[i]);
delim = " ";
}
s_logger.error("failed to run commands " + command.toString(), e);
} finally {
if (br != null) {
try {
br.close();
} catch (IOException ex) {
s_logger.error("I/O Exception while closing BufferedReader!");
}
}
if (proc != null) {
ProcessUtil.destroy(proc);
}
}
return response.toString();
}
@Override
public String getPrimaryMacAddress() {
String primaryNetworkInterfaceName = getPrimaryNetworkInterfaceName();
String macAddress = null;
if (OS_MAC_OSX.equals(getOsName())) {
SafeProcess proc = null;
try {
s_logger.info("executing: ifconfig and looking for " + primaryNetworkInterfaceName);
proc = ProcessUtil.exec("ifconfig");
BufferedReader br = null;
try {
proc.waitFor();
br = new BufferedReader(new InputStreamReader(proc.getInputStream()));
String line = null;
while ((line = br.readLine()) != null) {
if (line.startsWith(primaryNetworkInterfaceName)) {
// get the next line and save the MAC
line = br.readLine();
if (line == null) {
throw new IOException("Null imput!");
}
if (!line.trim().startsWith("ether")) {
line = br.readLine();
}
String[] splitLine = line.split(" ");
if (splitLine.length > 0) {
return splitLine[1].toUpperCase();
}
}
}
} catch (InterruptedException e) {
s_logger.error("Exception while executing ifconfig!", e);
} finally {
if (br != null) {
try {
br.close();
} catch (IOException ex) {
s_logger.error("I/O Exception while closing BufferedReader!");
}
}
}
} catch (Exception e) {
s_logger.error("Failed to get network interfaces", e);
} finally {
if (proc != null) {
ProcessUtil.destroy(proc);
}
}
} else {
try {
List<NetInterface<? extends NetInterfaceAddress>> interfaces =
m_networkService.getNetworkInterfaces();
if (interfaces != null) {
for (NetInterface<? extends NetInterfaceAddress> iface : interfaces) {
if (iface.getName() != null
&& getPrimaryNetworkInterfaceName().equals(iface.getName())) {
macAddress = NetUtil.hardwareAddressToString(iface.getHardwareAddress());
break;
}
}
}
} catch (KuraException e) {
s_logger.error("Failed to get network interfaces", e);
}
}
return macAddress;
}