status_t
Interface::AddAddress(InterfaceAddress* address)
{
net_domain* domain = address->domain;
if (domain == NULL)
return B_BAD_VALUE;
RecursiveLocker locker(fLock);
fAddresses.Add(address);
locker.Unlock();
if (address->LocalIsDefined()) {
MutexLocker hashLocker(sHashLock);
sAddressTable.Insert(address);
}
return B_OK;
}
status_t
update_interface_address(InterfaceAddress* interfaceAddress, int32 option,
const sockaddr* oldAddress, const sockaddr* newAddress)
{
TRACE("%s(address %p, option %" B_PRId32 ", oldAddress %s, newAddress "
"%s)\n", __FUNCTION__, interfaceAddress, option,
AddressString(interfaceAddress->domain, oldAddress).Data(),
AddressString(interfaceAddress->domain, newAddress).Data());
MutexLocker locker(sHashLock);
// set logical interface address
sockaddr** _address = interfaceAddress->AddressFor(option);
if (_address == NULL)
return B_BAD_VALUE;
Interface* interface = (Interface*)interfaceAddress->interface;
interfaceAddress->RemoveDefaultRoutes(option);
if (option == SIOCDIFADDR) {
// Remove address, and release its reference (causing our caller to
// delete it)
locker.Unlock();
invalidate_routes(interfaceAddress);
interface->RemoveAddress(interfaceAddress);
interfaceAddress->ReleaseReference();
return B_OK;
}
if (interfaceAddress->LocalIsDefined())
sAddressTable.Remove(interfaceAddress);
// Copy new address over
status_t status = InterfaceAddress::Set(_address, newAddress);
if (status == B_OK) {
sockaddr* address = *_address;
if (option == SIOCSIFADDR || option == SIOCSIFNETMASK) {
// Reset netmask and broadcast addresses to defaults
net_domain* domain = interfaceAddress->domain;
sockaddr* defaultNetmask = NULL;
const sockaddr* netmask = NULL;
if (option == SIOCSIFADDR) {
defaultNetmask = InterfaceAddress::Prepare(
&interfaceAddress->mask, address->sa_len);
} else
netmask = newAddress;
// Reset the broadcast address if the address family has
// such
sockaddr* defaultBroadcast = NULL;
if ((domain->address_module->flags
& NET_ADDRESS_MODULE_FLAG_BROADCAST_ADDRESS) != 0) {
defaultBroadcast = InterfaceAddress::Prepare(
&interfaceAddress->destination, address->sa_len);
} else
InterfaceAddress::Set(&interfaceAddress->destination, NULL);
domain->address_module->set_to_defaults(defaultNetmask,
defaultBroadcast, interfaceAddress->local, netmask);
}
interfaceAddress->AddDefaultRoutes(option);
notify_interface_changed(interface);
}
if (interfaceAddress->LocalIsDefined())
sAddressTable.Insert(interfaceAddress);
return status;
}