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