internal static int AppMain(Parameters !config)
{
IPContract.Imp ipConn = ((!)config.ipRef).Acquire();
if (ipConn == null)
{
Console.WriteLine("Could not initialize IP endpoint.");
return(1);
}
ipConn.RecvReady();
try {
if (config.name == null)
{
char[] !in ExHeap repHost, repDomain;
ipConn.SendGetHostName();
ipConn.RecvHostName(out repHost);
ipConn.SendGetDomainName();
ipConn.RecvDomainName(out repDomain);
Console.WriteLine("{0}.{1}", Bitter.ToString(repHost), Bitter.ToString(repDomain));
delete repHost;
delete repDomain;
return(0); // success
}
else
{
ipConn.SendSetHostName(Bitter.FromString2(config.name));
switch receive {
case ipConn.Err():
Console.WriteLine("Failure setting host name \"{0}\"", config.name);
return(1); // failure;
case ipConn.OK():
Console.WriteLine("Success setting host name");
break;
case ipConn.ChannelClosed():
Console.WriteLine("Failure setting host name \"{0}\" (channel closed)", config.name);
return(1); // failure;
}
}
}
finally {
delete ipConn;
}
return(0); // success
}
internal static int DefaultMain(DefaultConfig !config)
{
IPContract.Imp ipConn = ((!)config.ipRef).Acquire();
if (ipConn == null)
{
throw new Exception("Unable to acquire handle to the IP network");
}
ipConn.RecvReady();
char[][] !in ExHeap ifNames;
ipConn.SendGetInterfaces();
ipConn.RecvInterfaceList(out ifNames);
for (int i = 0; i < ifNames.Length; ++i)
{
CustomVector.Expose(ifNames, i);
char[] in ExHeap ifName = ifNames[i];
if (ifName == null)
{
throw new Exception("ifName is null");
}
string !deviceName = Bitter.ToString2(ifName);
CustomVector.UnExpose(ifNames, i);
ipConn.SendGetInterfaceState(Bitter.FromString2(deviceName));
switch receive {
case ipConn.InterfaceNotFound():
Console.WriteLine("Unexpected error");
break;
case ipConn.InterfaceState(InterfaceInfo ifInfo):
WriteInterfaceLine(ifInfo, deviceName);
break;
case ipConn.ChannelClosed():
throw new Exception("ipConn channel closed");
}
}
delete ifNames;
delete ipConn;
return(0);
}
// Marked unsafe for now since checker // has problems with custom vector access. public static void ShowConfig(IPContract.Imp : ReadyState !ipConn, DNSContract.Imp : ReadyState !dnsConn)
internal static int Add(AddConfig !config)
{
IPv4 gateway;
RoutingContract.Imp routeConn = ((!)config.routingRef).Acquire();
if (routeConn == null)
{
Console.WriteLine("Could not initialize routing endpoint.");
return(1);
}
routeConn.RecvReady();
if (IPv4.Parse(config.gateway, out gateway) == false)
{
Console.WriteLine("Could not parse gateway address.");
delete routeConn;
return(-1);
}
try {
// NOTE: for some reason the compiler doesn't
// realize that ifaddr will definitely be assigned if
// we survive the if/switch-receive sequence. Work
// around that by initializing.
IPv4 ifaddr = new IPv4(0);
if (config.ifAddress == null)
{
routeConn.SendFindHostRoute((uint)gateway);
switch receive {
case routeConn.Route(RouteEntry r):
ifaddr = new IPv4(r.ifaddr);
break;
case routeConn.NoRouteFound():
Console.WriteLine("No route to gateway.");
delete routeConn;
return(-1);
break;
case routeConn.ChannelClosed():
Console.WriteLine("routeConn channel closed.");
throw new Exception("routeConn channel closed.");
}
}
else if (IPv4.Parse(config.ifAddress, out ifaddr) == false)
{
Console.WriteLine("Could not parse interface address.");
delete routeConn;
return(-1);
}
IPContract.Imp ipConn = ((!)config.ipRef).Acquire();
if (ipConn == null)
{
Console.WriteLine("Could not initialize IP endpoint.");
delete routeConn;
return(-1);
}
try {
bool isLocal;
ipConn.SendIsLocalAddress((uint)ifaddr);
ipConn.RecvIsLocal(out isLocal);
if (!isLocal)
{
Console.WriteLine("Proposed interface address is not bound to an interface.");
delete routeConn;
return(-1);
}
}
finally {
delete ipConn;
ipConn = null;
}
IPv4Network destination;
if (IPv4Network.Parse(config.destination, out destination) == false)
{
Console.WriteLine("Could not parse destination address.");
delete routeConn;
return(-1);
}
NetStack.Contracts.Network nwrk = new NetStack.Contracts.Network();
nwrk.network = (uint)destination.Network;
nwrk.netmask = (uint)destination.NetMask;
routeConn.SendAddRoute(nwrk, (uint)gateway, (uint)ifaddr);
switch receive {
case routeConn.Err():
Console.WriteLine("Route could not be added -- it may already exist.");
break;
case routeConn.OK():
Console.WriteLine("Route added successfully");
break;
case routeConn.ChannelClosed():
throw new Exception("routeConn channel closed");
}
}
catch (Exception e) {
Console.WriteLine("Exception: {0}", e);
}
delete routeConn;
return(0);
}
