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tenfourfox/dom/system/gonk/NetworkUtils.h
Cameron Kaiser c9b2922b70 hello FPR
2017-04-19 00:56:45 -07:00

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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 NetworkUtils_h
#define NetworkUtils_h
#include "nsString.h"
#include "mozilla/dom/NetworkOptionsBinding.h"
#include "mozilla/dom/network/NetUtils.h"
#include "mozilla/ipc/Netd.h"
#include "nsTArray.h"
#include "NetIdManager.h"
class NetworkParams;
class CommandChain;
class CommandCallback {
public:
typedef void (*CallbackType)(CommandChain*, bool,
mozilla::dom::NetworkResultOptions& aResult);
typedef void (*CallbackWrapperType)(CallbackType aOriginalCallback,
CommandChain*, bool,
mozilla::dom::NetworkResultOptions& aResult);
CommandCallback()
: mCallback(nullptr)
, mCallbackWrapper(nullptr)
{
}
CommandCallback(CallbackType aCallback)
: mCallback(aCallback)
, mCallbackWrapper(nullptr)
{
}
CommandCallback(CallbackWrapperType aCallbackWrapper,
CommandCallback aOriginalCallback)
: mCallback(aOriginalCallback.mCallback)
, mCallbackWrapper(aCallbackWrapper)
{
}
void operator()(CommandChain* aChain, bool aError,
mozilla::dom::NetworkResultOptions& aResult)
{
if (mCallbackWrapper) {
return mCallbackWrapper(mCallback, aChain, aError, aResult);
}
if (mCallback) {
return mCallback(aChain, aError, aResult);
}
}
private:
CallbackType mCallback;
CallbackWrapperType mCallbackWrapper;
};
typedef void (*CommandFunc)(CommandChain*, CommandCallback,
mozilla::dom::NetworkResultOptions& aResult);
typedef void (*MessageCallback)(mozilla::dom::NetworkResultOptions& aResult);
typedef void (*ErrorCallback)(NetworkParams& aOptions,
mozilla::dom::NetworkResultOptions& aResult);
class NetworkParams
{
public:
NetworkParams() {
}
NetworkParams(const mozilla::dom::NetworkCommandOptions& aOther) {
#define COPY_SEQUENCE_FIELD(prop, type) \
if (aOther.prop.WasPassed()) { \
mozilla::dom::Sequence<type > const & currentValue = aOther.prop.InternalValue(); \
uint32_t length = currentValue.Length(); \
for (uint32_t idx = 0; idx < length; idx++) { \
prop.AppendElement(currentValue[idx]); \
} \
}
#define COPY_OPT_STRING_FIELD(prop, defaultValue) \
if (aOther.prop.WasPassed()) { \
if (aOther.prop.Value().EqualsLiteral("null")) { \
prop = defaultValue; \
} else { \
prop = aOther.prop.Value(); \
} \
} else { \
prop = defaultValue; \
}
#define COPY_OPT_FIELD(prop, defaultValue) \
if (aOther.prop.WasPassed()) { \
prop = aOther.prop.Value(); \
} else { \
prop = defaultValue; \
}
#define COPY_FIELD(prop) prop = aOther.prop;
COPY_FIELD(mId)
COPY_FIELD(mCmd)
COPY_OPT_STRING_FIELD(mDomain, EmptyString())
COPY_OPT_STRING_FIELD(mGateway, EmptyString())
COPY_SEQUENCE_FIELD(mGateways, nsString)
COPY_OPT_STRING_FIELD(mIfname, EmptyString())
COPY_OPT_STRING_FIELD(mIp, EmptyString())
COPY_OPT_FIELD(mPrefixLength, 0)
COPY_OPT_STRING_FIELD(mMode, EmptyString())
COPY_OPT_FIELD(mReport, false)
COPY_OPT_FIELD(mEnabled, false)
COPY_OPT_STRING_FIELD(mWifictrlinterfacename, EmptyString())
COPY_OPT_STRING_FIELD(mInternalIfname, EmptyString())
COPY_OPT_STRING_FIELD(mExternalIfname, EmptyString())
COPY_OPT_FIELD(mEnable, false)
COPY_OPT_STRING_FIELD(mSsid, EmptyString())
COPY_OPT_STRING_FIELD(mSecurity, EmptyString())
COPY_OPT_STRING_FIELD(mKey, EmptyString())
COPY_OPT_STRING_FIELD(mPrefix, EmptyString())
COPY_OPT_STRING_FIELD(mLink, EmptyString())
COPY_SEQUENCE_FIELD(mInterfaceList, nsString)
COPY_OPT_STRING_FIELD(mWifiStartIp, EmptyString())
COPY_OPT_STRING_FIELD(mWifiEndIp, EmptyString())
COPY_OPT_STRING_FIELD(mUsbStartIp, EmptyString())
COPY_OPT_STRING_FIELD(mUsbEndIp, EmptyString())
COPY_OPT_STRING_FIELD(mDns1, EmptyString())
COPY_OPT_STRING_FIELD(mDns2, EmptyString())
COPY_SEQUENCE_FIELD(mDnses, nsString)
COPY_OPT_STRING_FIELD(mStartIp, EmptyString())
COPY_OPT_STRING_FIELD(mEndIp, EmptyString())
COPY_OPT_STRING_FIELD(mServerIp, EmptyString())
COPY_OPT_STRING_FIELD(mMaskLength, EmptyString())
COPY_OPT_STRING_FIELD(mPreInternalIfname, EmptyString())
COPY_OPT_STRING_FIELD(mPreExternalIfname, EmptyString())
COPY_OPT_STRING_FIELD(mCurInternalIfname, EmptyString())
COPY_OPT_STRING_FIELD(mCurExternalIfname, EmptyString())
COPY_OPT_FIELD(mThreshold, -1)
COPY_OPT_FIELD(mIpaddr, 0)
COPY_OPT_FIELD(mMask, 0)
COPY_OPT_FIELD(mGateway_long, 0)
COPY_OPT_FIELD(mDns1_long, 0)
COPY_OPT_FIELD(mDns2_long, 0)
COPY_OPT_FIELD(mMtu, 0)
mLoopIndex = 0;
#undef COPY_SEQUENCE_FIELD
#undef COPY_OPT_STRING_FIELD
#undef COPY_OPT_FIELD
#undef COPY_FIELD
}
// Followings attributes are 1-to-1 mapping to NetworkCommandOptions.
int32_t mId;
nsString mCmd;
nsString mDomain;
nsString mGateway;
nsTArray<nsString> mGateways;
nsString mIfname;
nsString mIp;
uint32_t mPrefixLength;
nsString mMode;
bool mReport;
bool mEnabled;
nsString mWifictrlinterfacename;
nsString mInternalIfname;
nsString mExternalIfname;
bool mEnable;
nsString mSsid;
nsString mSecurity;
nsString mKey;
nsString mPrefix;
nsString mLink;
nsTArray<nsString> mInterfaceList;
nsString mWifiStartIp;
nsString mWifiEndIp;
nsString mUsbStartIp;
nsString mUsbEndIp;
nsString mDns1;
nsString mDns2;
nsTArray<nsString> mDnses;
nsString mStartIp;
nsString mEndIp;
nsString mServerIp;
nsString mMaskLength;
nsString mPreInternalIfname;
nsString mPreExternalIfname;
nsString mCurInternalIfname;
nsString mCurExternalIfname;
long long mThreshold;
long mIpaddr;
long mMask;
long mGateway_long;
long mDns1_long;
long mDns2_long;
long mMtu;
// Auxiliary information required to carry accros command chain.
int mNetId; // A locally defined id per interface.
uint32_t mLoopIndex; // Loop index for adding/removing multiple gateways.
};
// CommandChain store the necessary information to execute command one by one.
// Including :
// 1. Command parameters.
// 2. Command list.
// 3. Error callback function.
// 4. Index of current execution command.
class CommandChain final
{
public:
CommandChain(const NetworkParams& aParams,
const CommandFunc aCmds[],
uint32_t aLength,
ErrorCallback aError)
: mIndex(-1)
, mParams(aParams)
, mCommands(aCmds)
, mLength(aLength)
, mError(aError) {
}
NetworkParams&
getParams()
{
return mParams;
};
CommandFunc
getNextCommand()
{
mIndex++;
return mIndex < mLength ? mCommands[mIndex] : nullptr;
};
ErrorCallback
getErrorCallback() const
{
return mError;
};
private:
uint32_t mIndex;
NetworkParams mParams;
const CommandFunc* mCommands;
uint32_t mLength;
ErrorCallback mError;
};
// A helper class to easily construct a resolved
// or a pending result for command execution.
class CommandResult
{
public:
struct Pending {};
public:
CommandResult(int32_t aResultCode);
CommandResult(const mozilla::dom::NetworkResultOptions& aResult);
CommandResult(const Pending&);
bool isPending() const;
mozilla::dom::NetworkResultOptions mResult;
private:
bool mIsPending;
};
class NetworkUtils final
{
public:
NetworkUtils(MessageCallback aCallback);
~NetworkUtils();
void ExecuteCommand(NetworkParams aOptions);
void onNetdMessage(mozilla::ipc::NetdCommand* aCommand);
MessageCallback getMessageCallback() { return mMessageCallback; }
private:
/**
* Commands supported by NetworkUtils.
*/
CommandResult configureInterface(NetworkParams& aOptions);
CommandResult dhcpRequest(NetworkParams& aOptions);
CommandResult stopDhcp(NetworkParams& aOptions);
CommandResult enableInterface(NetworkParams& aOptions);
CommandResult disableInterface(NetworkParams& aOptions);
CommandResult resetConnections(NetworkParams& aOptions);
CommandResult setDefaultRoute(NetworkParams& aOptions);
CommandResult addHostRoute(NetworkParams& aOptions);
CommandResult removeDefaultRoute(NetworkParams& aOptions);
CommandResult removeHostRoute(NetworkParams& aOptions);
CommandResult removeNetworkRoute(NetworkParams& aOptions);
CommandResult setDNS(NetworkParams& aOptions);
CommandResult addSecondaryRoute(NetworkParams& aOptions);
CommandResult removeSecondaryRoute(NetworkParams& aOptions);
CommandResult setNetworkInterfaceAlarm(NetworkParams& aOptions);
CommandResult enableNetworkInterfaceAlarm(NetworkParams& aOptions);
CommandResult disableNetworkInterfaceAlarm(NetworkParams& aOptions);
CommandResult setTetheringAlarm(NetworkParams& aOptions);
CommandResult removeTetheringAlarm(NetworkParams& aOptions);
CommandResult getTetheringStatus(NetworkParams& aOptions);
CommandResult setWifiOperationMode(NetworkParams& aOptions);
CommandResult setDhcpServer(NetworkParams& aOptions);
CommandResult setWifiTethering(NetworkParams& aOptions);
CommandResult setUSBTethering(NetworkParams& aOptions);
CommandResult enableUsbRndis(NetworkParams& aOptions);
CommandResult updateUpStream(NetworkParams& aOptions);
CommandResult createNetwork(NetworkParams& aOptions);
CommandResult destroyNetwork(NetworkParams& aOptions);
CommandResult getNetId(NetworkParams& aOptions);
CommandResult setMtu(NetworkParams& aOptions);
CommandResult addHostRouteLegacy(NetworkParams& aOptions);
CommandResult removeHostRouteLegacy(NetworkParams& aOptions);
CommandResult setDefaultRouteLegacy(NetworkParams& aOptions);
CommandResult removeDefaultRouteLegacy(NetworkParams& aOptions);
CommandResult removeNetworkRouteLegacy(NetworkParams& aOptions);
/**
* function pointer array holds all netd commands should be executed
* in sequence to accomplish a given command by other module.
*/
static const CommandFunc sWifiEnableChain[];
static const CommandFunc sWifiDisableChain[];
static const CommandFunc sWifiFailChain[];
static const CommandFunc sWifiRetryChain[];
static const CommandFunc sWifiOperationModeChain[];
static const CommandFunc sUSBEnableChain[];
static const CommandFunc sUSBDisableChain[];
static const CommandFunc sUSBFailChain[];
static const CommandFunc sUpdateUpStreamChain[];
static const CommandFunc sStartDhcpServerChain[];
static const CommandFunc sStopDhcpServerChain[];
static const CommandFunc sNetworkInterfaceEnableAlarmChain[];
static const CommandFunc sNetworkInterfaceDisableAlarmChain[];
static const CommandFunc sNetworkInterfaceSetAlarmChain[];
static const CommandFunc sTetheringInterfaceSetAlarmChain[];
static const CommandFunc sTetheringInterfaceRemoveAlarmChain[];
static const CommandFunc sTetheringGetStatusChain[];
/**
* Individual netd command stored in command chain.
*/
#define PARAMS CommandChain* aChain, CommandCallback aCallback, \
mozilla::dom::NetworkResultOptions& aResult
static void wifiFirmwareReload(PARAMS);
static void startAccessPointDriver(PARAMS);
static void stopAccessPointDriver(PARAMS);
static void setAccessPoint(PARAMS);
static void cleanUpStream(PARAMS);
static void createUpStream(PARAMS);
static void startSoftAP(PARAMS);
static void stopSoftAP(PARAMS);
static void clearWifiTetherParms(PARAMS);
static void enableAlarm(PARAMS);
static void disableAlarm(PARAMS);
static void setQuota(PARAMS);
static void removeQuota(PARAMS);
static void setAlarm(PARAMS);
static void removeAlarm(PARAMS);
static void setGlobalAlarm(PARAMS);
static void removeGlobalAlarm(PARAMS);
static void setInterfaceUp(PARAMS);
static void tetherInterface(PARAMS);
static void addInterfaceToLocalNetwork(PARAMS);
static void addRouteToLocalNetwork(PARAMS);
static void preTetherInterfaceList(PARAMS);
static void postTetherInterfaceList(PARAMS);
static void addUpstreamInterface(PARAMS);
static void removeUpstreamInterface(PARAMS);
static void setIpForwardingEnabled(PARAMS);
static void tetheringStatus(PARAMS);
static void stopTethering(PARAMS);
static void startTethering(PARAMS);
static void untetherInterface(PARAMS);
static void removeInterfaceFromLocalNetwork(PARAMS);
static void setDnsForwarders(PARAMS);
static void enableNat(PARAMS);
static void disableNat(PARAMS);
static void setDefaultInterface(PARAMS);
static void setInterfaceDns(PARAMS);
static void wifiTetheringSuccess(PARAMS);
static void usbTetheringSuccess(PARAMS);
static void networkInterfaceAlarmSuccess(PARAMS);
static void updateUpStreamSuccess(PARAMS);
static void setDhcpServerSuccess(PARAMS);
static void wifiOperationModeSuccess(PARAMS);
static void clearAddrForInterface(PARAMS);
static void createNetwork(PARAMS);
static void destroyNetwork(PARAMS);
static void addInterfaceToNetwork(PARAMS);
static void addDefaultRouteToNetwork(PARAMS);
static void setDefaultNetwork(PARAMS);
static void removeDefaultRoute(PARAMS);
static void removeNetworkRouteSuccess(PARAMS);
static void removeNetworkRoute(PARAMS);
static void addRouteToInterface(PARAMS);
static void removeRouteFromInterface(PARAMS);
static void modifyRouteOnInterface(PARAMS, bool aDoAdd);
static void enableIpv6(PARAMS);
static void disableIpv6(PARAMS);
static void setMtu(PARAMS);
static void setIpv6Enabled(PARAMS, bool aEnabled);
static void addRouteToSecondaryTable(PARAMS);
static void removeRouteFromSecondaryTable(PARAMS);
static void defaultAsyncSuccessHandler(PARAMS);
#undef PARAMS
/**
* Error callback function executed when a command is fail.
*/
#define PARAMS NetworkParams& aOptions, \
mozilla::dom::NetworkResultOptions& aResult
static void wifiTetheringFail(PARAMS);
static void wifiOperationModeFail(PARAMS);
static void usbTetheringFail(PARAMS);
static void updateUpStreamFail(PARAMS);
static void setDhcpServerFail(PARAMS);
static void networkInterfaceAlarmFail(PARAMS);
static void setDnsFail(PARAMS);
static void defaultAsyncFailureHandler(PARAMS);
#undef PARAMS
/**
* Command chain processing functions.
*/
static void next(CommandChain* aChain, bool aError,
mozilla::dom::NetworkResultOptions& aResult);
static void nextNetdCommand();
static void doCommand(const char* aCommand, CommandChain* aChain, CommandCallback aCallback);
/**
* Notify broadcast message to main thread.
*/
void sendBroadcastMessage(uint32_t code, char* reason);
/**
* Utility functions.
*/
CommandResult checkUsbRndisState(NetworkParams& aOptions);
void dumpParams(NetworkParams& aOptions, const char* aType);
static void escapeQuote(nsCString& aString);
inline uint32_t netdResponseType(uint32_t code);
inline bool isBroadcastMessage(uint32_t code);
inline bool isError(uint32_t code);
inline bool isComplete(uint32_t code);
inline bool isProceeding(uint32_t code);
void Shutdown();
static void runNextQueuedCommandChain();
static void finalizeSuccess(CommandChain* aChain,
mozilla::dom::NetworkResultOptions& aResult);
template<size_t N>
static void runChain(const NetworkParams& aParams,
const CommandFunc (&aCmds)[N],
ErrorCallback aError);
static nsCString getSubnetIp(const nsCString& aIp, int aPrefixLength);
/**
* Callback function to send netd result to main thread.
*/
MessageCallback mMessageCallback;
/*
* Utility class to access libnetutils.
*/
nsAutoPtr<NetUtils> mNetUtils;
NetIdManager mNetIdManager;
};
#endif
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