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/* This Source Code Form is subject to the terms of the Mozilla Public
* License, v. 2.0. If a copy of the MPL was not distributed with this
* file, You can obtain one at http://mozilla.org/MPL/2.0/. */
#ifndef NetIdManager_h
#define NetIdManager_h
#include "nsString.h"
#include "nsDataHashtable.h"
// NetId is a logical network identifier defined by netd.
// A network is typically a physical one (i.e. PhysicalNetwork.cpp)
// for netd but it could be a virtual network as well.
// We currently use physical network only and use one-to-one
// network-interface mapping.
class NetIdManager {
public:
// keep in sync with system/netd/NetworkController.cpp
enum {
MIN_NET_ID = 100,
MAX_NET_ID = 65535,
};
// We need to count the number of references since different
// application like data and mms may use the same interface.
struct NetIdInfo {
int mNetId;
int mRefCnt;
};
public:
NetIdManager();
bool lookup(const nsString& aInterfaceName, NetIdInfo* aNetIdInfo);
void acquire(const nsString& aInterfaceName, NetIdInfo* aNetIdInfo);
bool release(const nsString& aInterfaceName, NetIdInfo* aNetIdInfo);
private:
int getNextNetId();
int mNextNetId;
nsDataHashtable<nsStringHashKey, NetIdInfo> mInterfaceToNetIdHash;
};
#endif
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