status_t
add_interface(const char* name, net_domain_private* domain,
const ifaliasreq& request, net_device_interface* deviceInterface)
{
RecursiveLocker locker(sLock);
if (find_interface(name) != NULL)
return B_NAME_IN_USE;
Interface* interface
= new(std::nothrow) Interface(name, deviceInterface);
if (interface == NULL)
return B_NO_MEMORY;
sInterfaces.Add(interface);
interface->AcquireReference();
// We need another reference to be able to use the interface without
// holding sLock.
locker.Unlock();
status_t status = add_interface_address(interface, domain, request);
if (status == B_OK)
notify_interface_added(interface);
else {
locker.Lock();
sInterfaces.Remove(interface);
locker.Unlock();
interface->ReleaseReference();
}
interface->ReleaseReference();
return status;
}
Interface*
get_interface(net_domain* domain, const char* name)
{
RecursiveLocker locker(sLock);
Interface* interface = find_interface(name);
if (interface == NULL || interface->IsBusy())
return NULL;
if (interface->CreateDomainDatalinkIfNeeded(domain) != B_OK)
return NULL;
interface->AcquireReference();
return interface;
}
Interface*
get_interface(net_domain* domain, uint32 index)
{
RecursiveLocker locker(sLock);
Interface* interface;
if (index == 0)
interface = sInterfaces.First();
else
interface = find_interface(index);
if (interface == NULL || interface->IsBusy())
return NULL;
if (interface->CreateDomainDatalinkIfNeeded(domain) != B_OK)
return NULL;
interface->AcquireReference();
return interface;
}
