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[mac] move "Mac::ChannelMask" to its own files "mac/channel_mask.hpp|cpp" (#3244)

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This commit is contained in:
Abtin Keshavarzian
2018-11-01 09:04:46 -07:00
committed by Jonathan Hui
parent 5c1aec2299
commit 9a7fc691b1
10 changed files with 382 additions and 254 deletions
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Android.mk
+1
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@@ -106,6 +106,7 @@ LOCAL_SRC_FILES := \
src/core/crypto/mbedtls.cpp \
src/core/crypto/pbkdf2_cmac.cpp \
src/core/crypto/sha256.cpp \
src/core/mac/channel_mask.cpp \
src/core/mac/mac.cpp \
src/core/mac/mac_filter.cpp \
src/core/mac/mac_frame.cpp \
etc/visual-studio/libopenthread.vcxproj
+2
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@@ -95,6 +95,7 @@
<ClCompile Include="..\..\src\core\crypto\mbedtls.cpp" />
<ClCompile Include="..\..\src\core\crypto\pbkdf2_cmac.cpp" />
<ClCompile Include="..\..\src\core\crypto\sha256.cpp" />
<ClCompile Include="..\..\src\core\mac\channel_mask.cpp" />
<ClCompile Include="..\..\src\core\mac\link_raw.cpp" />
<ClCompile Include="..\..\src\core\mac\mac.cpp" />
<ClCompile Include="..\..\src\core\mac\mac_filter.cpp" />
@@ -184,6 +185,7 @@
<ClInclude Include="..\..\src\core\crypto\mbedtls.hpp" />
<ClInclude Include="..\..\src\core\crypto\pbkdf2_cmac.h" />
<ClInclude Include="..\..\src\core\crypto\sha256.hpp" />
<ClInclude Include="..\..\src\core\mac\channel_mask.hpp" />
<ClInclude Include="..\..\src\core\mac\mac.hpp" />
<ClInclude Include="..\..\src\core\mac\mac_filter.hpp" />
<ClInclude Include="..\..\src\core\mac\mac_frame.hpp" />
etc/visual-studio/libopenthread.vcxproj.filters
+6
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@@ -168,6 +168,9 @@
<ClCompile Include="..\..\src\core\crypto\aes_ccm.cpp">
<Filter>Source Files\crypto</Filter>
</ClCompile>
<ClCompile Include="..\..\src\core\mac\channel_mask.cpp">
<Filter>Source Files\mac</Filter>
</ClCompile>
<ClCompile Include="..\..\src\core\mac\link_raw.cpp">
<Filter>Source Files\api</Filter>
</ClCompile>
@@ -425,6 +428,9 @@
<ClInclude Include="..\..\src\core\crypto\aes_ccm.hpp">
<Filter>Header Files\crypto</Filter>
</ClInclude>
<ClInclude Include="..\..\src\core\mac\channel_mask.hpp">
<Filter>Header Files\mac</Filter>
</ClInclude>
<ClInclude Include="..\..\src\core\mac\mac.hpp">
<Filter>Header Files\mac</Filter>
</ClInclude>
etc/visual-studio/libopenthread_k.vcxproj
+2
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@@ -103,6 +103,7 @@
<ClCompile Include="..\..\src\core\crypto\hmac_sha256.cpp" />
<ClCompile Include="..\..\src\core\crypto\pbkdf2_cmac.cpp" />
<ClCompile Include="..\..\src\core\crypto\sha256.cpp" />
<ClCompile Include="..\..\src\core\mac\channel_mask.cpp" />
<ClCompile Include="..\..\src\core\mac\mac.cpp" />
<ClCompile Include="..\..\src\core\mac\mac_filter.cpp" />
<ClCompile Include="..\..\src\core\mac\mac_frame.cpp" />
@@ -214,6 +215,7 @@
<ClInclude Include="..\..\src\core\crypto\pbkdf2_cmac.h" />
<ClInclude Include="..\..\src\core\crypto\sha256.hpp" />
<ClInclude Include="..\..\src\core\mac\link_raw.hpp" />
<ClInclude Include="..\..\src\core\mac\channel_mask.hpp" />
<ClInclude Include="..\..\src\core\mac\mac.hpp" />
<ClInclude Include="..\..\src\core\mac\mac_filter.hpp" />
<ClInclude Include="..\..\src\core\mac\mac_frame.hpp" />
etc/visual-studio/libopenthread_k.vcxproj.filters
+6
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@@ -165,6 +165,9 @@
<ClCompile Include="..\..\src\core\crypto\aes_ccm.cpp">
<Filter>Source Files\crypto</Filter>
</ClCompile>
<ClCompile Include="..\..\src\core\mac\channel_mask.cpp">
<Filter>Source Files\mac</Filter>
</ClCompile>
<ClCompile Include="..\..\src\core\mac\mac.cpp">
<Filter>Source Files\mac</Filter>
</ClCompile>
@@ -419,6 +422,9 @@
<ClInclude Include="..\..\src\core\crypto\aes_ccm.hpp">
<Filter>Header Files\crypto</Filter>
</ClInclude>
<ClInclude Include="..\..\src\core\mac\channel_mask.hpp">
<Filter>Header Files\mac</Filter>
</ClInclude>
<ClInclude Include="..\..\src\core\mac\mac.hpp">
<Filter>Header Files\mac</Filter>
</ClInclude>
src/core/Makefile.am
+2
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@@ -152,6 +152,7 @@ SOURCES_COMMON = \
crypto/mbedtls.cpp \
crypto/pbkdf2_cmac.cpp \
crypto/sha256.cpp \
mac/channel_mask.cpp \
mac/link_raw.cpp \
mac/mac.cpp \
mac/mac_filter.cpp \
@@ -310,6 +311,7 @@ HEADERS_COMMON = \
crypto/mbedtls.hpp \
crypto/pbkdf2_cmac.h \
crypto/sha256.hpp \
mac/channel_mask.hpp \
mac/link_raw.hpp \
mac/mac.hpp \
mac/mac_filter.hpp \
src/core/mac/channel_mask.cpp
+118
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@@ -0,0 +1,118 @@
/*
* Copyright (c) 2016-2018, The OpenThread Authors.
* All rights reserved.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions are met:
* 1. Redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer.
* 2. Redistributions in binary form must reproduce the above copyright
* notice, this list of conditions and the following disclaimer in the
* documentation and/or other materials provided with the distribution.
* 3. Neither the name of the copyright holder nor the
* names of its contributors may be used to endorse or promote products
* derived from this software without specific prior written permission.
*
* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
* AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
* ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE
* LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
* CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
* SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
* INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
* CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
* ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
* POSSIBILITY OF SUCH DAMAGE.
*/
/**
* @file
* This file implements MAC Channel Mask.
*/
#define WPP_NAME "mac-channel-mask.tmh"
#include "channel_mask.hpp"
#include "common/code_utils.hpp"
namespace ot {
namespace Mac {
uint8_t ChannelMask::GetNumberOfChannels(void) const
{
uint8_t num = 0;
uint8_t channel = kChannelIteratorFirst;
while (GetNextChannel(channel) == OT_ERROR_NONE)
{
num++;
}
return num;
}
otError ChannelMask::GetNextChannel(uint8_t &aChannel) const
{
otError error = OT_ERROR_NOT_FOUND;
if (aChannel == kChannelIteratorFirst)
{
aChannel = (OT_RADIO_CHANNEL_MIN - 1);
}
for (aChannel++; aChannel <= OT_RADIO_CHANNEL_MAX; aChannel++)
{
if (ContainsChannel(aChannel))
{
ExitNow(error = OT_ERROR_NONE);
}
}
exit:
return error;
}
ChannelMask::InfoString ChannelMask::ToString(void) const
{
InfoString string;
uint8_t channel = kChannelIteratorFirst;
bool addComma = false;
otError error;
string.Append("{");
error = GetNextChannel(channel);
while (error == OT_ERROR_NONE)
{
uint8_t rangeStart = channel;
uint8_t rangeEnd = channel;
while ((error = GetNextChannel(channel)) == OT_ERROR_NONE)
{
if (channel != rangeEnd + 1)
{
break;
}
rangeEnd = channel;
}
string.Append("%s%d", addComma ? ", " : " ", rangeStart);
addComma = true;
if (rangeStart < rangeEnd)
{
string.Append("%s%d", rangeEnd == rangeStart + 1 ? ", " : "-", rangeEnd);
}
}
string.Append("}");
return string;
}
} // namespace Mac
} // namespace ot
src/core/mac/channel_mask.hpp
+244
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@@ -0,0 +1,244 @@
/*
* Copyright (c) 2016-2018, The OpenThread Authors.
* All rights reserved.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions are met:
* 1. Redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer.
* 2. Redistributions in binary form must reproduce the above copyright
* notice, this list of conditions and the following disclaimer in the
* documentation and/or other materials provided with the distribution.
* 3. Neither the name of the copyright holder nor the
* names of its contributors may be used to endorse or promote products
* derived from this software without specific prior written permission.
*
* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
* AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
* ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE
* LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
* CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
* SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
* INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
* CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
* ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
* POSSIBILITY OF SUCH DAMAGE.
*/
/**
* @file
* This file includes definitions for MAC Channel Mask
*/
#ifndef MAC_CHANNEL_MASK_HPP_
#define MAC_CHANNEL_MASK_HPP_
#include "openthread-core-config.h"
#include <openthread/platform/radio.h>
#include "common/string.hpp"
namespace ot {
namespace Mac {
/**
* @addtogroup core-mac
*
* @brief
* This module includes definitions for MAC Channel Mask.
*
* @{
*
*/
/**
* This class defines a channel mask.
*
* It is a wrapper class around a `uint32_t` bit vector representing a set of channels.
*
*/
class ChannelMask
{
public:
enum
{
kChannelIteratorFirst = 0xff, ///< Value to pass in `GetNextChannel()` to get the first channel in the mask.
kInfoStringSize = 45, ///< Recommended buffer size to use with `ToString()`.
};
/**
* This type defines the fixed-length `String` object returned from `ToString()`.
*
*/
typedef String<kInfoStringSize> InfoString;
/**
* This constructor initializes a `ChannelMask` instance.
*
*/
ChannelMask(void)
: mMask(0)
{
}
/**
* This constructor initializes a `ChannelMask` instance with a given mask.
*
* @param[in] aMask A channel mask (as a `uint32_t` bit-vector mask with bit 0 (lsb) -> channel 0, and so on).
*
*/
ChannelMask(uint32_t aMask)
: mMask(aMask)
{
}
/**
* This method clears the channel mask.
*
*/
void Clear(void) { mMask = 0; }
/**
* This method gets the channel mask (as a `uint32_t` bit-vector mask with bit 0 (lsb) -> channel 0, and so on).
*
* @returns The channel mask.
*
*/
uint32_t GetMask(void) const { return mMask; }
/**
* This method sets the channel mask.
*
* @param[in] aMask A channel mask (as a `uint32_t` bit-vector mask with bit 0 (lsb) -> channel 0, and so on).
*
*/
void SetMask(uint32_t aMask) { mMask = aMask; }
/**
* This method indicates if the mask is empty.
*
* @returns TRUE if the mask is empty, FALSE otherwise.
*
*/
bool IsEmpty(void) const { return (mMask == 0); }
/**
* This method indicates if the mask contains only a single channel.
*
* @returns TRUE if channel mask contains a single channel, FALSE otherwise
*
*/
bool IsSingleChannel(void) const { return ((mMask != 0) && ((mMask & (mMask - 1)) == 0)); }
/**
* This method indicates if the mask contains a given channel.
*
* @param[in] aChannel A channel.
*
* @returns TRUE if the channel @p aChannel is included in the mask, FALSE otherwise.
*
*/
bool ContainsChannel(uint8_t aChannel) const { return ((1U << aChannel) & mMask) != 0; }
/**
* This method adds a channel to the channel mask.
*
* @param[in] aChannel A channel
*
*/
void AddChannel(uint8_t aChannel) { mMask |= (1U << aChannel); }
/**
* This method removes a channel from the channel mask.
*
* @param[in] aChannel A channel
*
*/
void RemoveChannel(uint8_t aChannel) { mMask &= ~(1U << aChannel); }
/**
* This method updates the channel mask by intersecting it with another mask.
*
* @param[in] aOtherMask Another channel mask.
*
*/
void Intersect(const ChannelMask &aOtherMask) { mMask &= aOtherMask.mMask; }
/**
* This method returns the number of channels in the mask.
*
* @returns Number of channels in the mask.
*
*/
uint8_t GetNumberOfChannels(void) const;
/**
* This method gets the next channel in the channel mask.
*
* This method can be used to iterate over all channels in the channel mask. To get the first channel (channel with
* lowest number) in the mask the @p aChannel should be set to `kChannelIteratorFirst`.
*
* @param[inout] aChannel A reference to a `uint8_t`.
* On entry it should contain the previous channel or `kChannelIteratorFirst`.
* On exit it contains the next channel.
*
* @retval OT_ERROR_NONE Got the next channel, @p aChannel updated successfully.
* @retval OT_ERROR_NOT_FOUND No next channel in the channel mask (note: @p aChannel may be changed).
*
*/
otError GetNextChannel(uint8_t &aChannel) const;
/**
* This method overloads `==` operator to indicate whether two masks are equal.
*
* @param[in] aAnother A reference to another mask to compare with the current one.
*
* @returns TRUE if the two masks are equal, FALSE otherwise.
*
*/
bool operator==(const ChannelMask &aAnother) const { return (mMask == aAnother.mMask); }
/**
* This method overloads `!=` operator to indicate whether two masks are different.
*
* @param[in] aAnother A reference to another mask to compare with the current one.
*
* @returns TRUE if the two masks are different, FALSE otherwise.
*
*/
bool operator!=(const ChannelMask &aAnother) const { return (mMask != aAnother.mMask); }
/**
* This method converts the channel mask into a human-readable string.
*
* Examples of possible output:
* - empty mask -> "{ }"
* - all channels -> "{ 11-26 }"
* - single channel -> "{ 20 }"
* - multiple ranges -> "{ 11, 14-17, 20-22, 24, 25 }"
* - no range -> "{ 14, 21, 26 }"
*
* @returns An `InfoString` object representing the channel mask.
*
*/
InfoString ToString(void) const;
private:
#if (OT_RADIO_CHANNEL_MIN >= 32) || (OT_RADIO_CHANNEL_MAX >= 32)
#error `OT_RADIO_CHANNEL_MAX` or `OT_RADIO_CHANNEL_MIN` are larger than 32. `ChannelMask` uses 32 bit mask.
#endif
uint32_t mMask;
};
/**
* @}
*
*/
} // namespace Mac
} // namespace ot
#endif // MAC_CHANNEL_MASK_HPP_
src/core/mac/mac.cpp
-74
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@@ -75,80 +75,6 @@ const uint32_t kMaxBackoffSum = kMinBackoff + (kUnitBackoffPeriod * OT_RADIO_SYM
static_assert(kMinBackoffSum > 0, "The min backoff value should be greater than zero!");
#endif
uint8_t ChannelMask::GetNumberOfChannels(void) const
{
uint8_t num = 0;
uint8_t channel = kChannelIteratorFirst;
while (GetNextChannel(channel) == OT_ERROR_NONE)
{
num++;
}
return num;
}
otError ChannelMask::GetNextChannel(uint8_t &aChannel) const
{
otError error = OT_ERROR_NOT_FOUND;
if (aChannel == kChannelIteratorFirst)
{
aChannel = (OT_RADIO_CHANNEL_MIN - 1);
}
for (aChannel++; aChannel <= OT_RADIO_CHANNEL_MAX; aChannel++)
{
if (ContainsChannel(aChannel))
{
ExitNow(error = OT_ERROR_NONE);
}
}
exit:
return error;
}
ChannelMask::InfoString ChannelMask::ToString(void) const
{
InfoString string;
uint8_t channel = kChannelIteratorFirst;
bool addComma = false;
otError error;
string.Append("{");
error = GetNextChannel(channel);
while (error == OT_ERROR_NONE)
{
uint8_t rangeStart = channel;
uint8_t rangeEnd = channel;
while ((error = GetNextChannel(channel)) == OT_ERROR_NONE)
{
if (channel != rangeEnd + 1)
{
break;
}
rangeEnd = channel;
}
string.Append("%s%d", addComma ? ", " : " ", rangeStart);
addComma = true;
if (rangeStart < rangeEnd)
{
string.Append("%s%d", rangeEnd == rangeStart + 1 ? ", " : "-", rangeEnd);
}
}
string.Append("}");
return string;
}
Mac::Mac(Instance &aInstance)
: InstanceLocator(aInstance)
, mOperation(kOperationIdle)
src/core/mac/mac.hpp
+1 -180
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@@ -42,6 +42,7 @@
#include "common/locator.hpp"
#include "common/tasklet.hpp"
#include "common/timer.hpp"
#include "mac/channel_mask.hpp"
#include "mac/mac_filter.hpp"
#include "mac/mac_frame.hpp"
#include "thread/key_manager.hpp"
@@ -96,186 +97,6 @@ enum
kTxNumBcast = OPENTHREAD_CONFIG_TX_NUM_BCAST ///< Number of times each broadcast frame is transmitted
};
/**
* This class defines a channel mask.
*
* It is a wrapper class around a `uint32_t` bit vector representing a set of channels.
*
*/
class ChannelMask
{
public:
enum
{
kChannelIteratorFirst = 0xff, ///< Value to pass in `GetNextChannel()` to get the first channel in the mask.
kInfoStringSize = 45, ///< Recommended buffer size to use with `ToString()`.
};
/**
* This type defines the fixed-length `String` object returned from `ToString()`.
*
*/
typedef String<kInfoStringSize> InfoString;
/**
* This constructor initializes a `ChannelMask` instance.
*
*/
ChannelMask(void)
: mMask(0)
{
}
/**
* This constructor initializes a `ChannelMask` instance with a given mask.
*
* @param[in] aMask A channel mask (as a `uint32_t` bit-vector mask with bit 0 (lsb) -> channel 0, and so on).
*
*/
ChannelMask(uint32_t aMask)
: mMask(aMask)
{
}
/**
* This method clears the channel mask.
*
*/
void Clear(void) { mMask = 0; }
/**
* This method gets the channel mask (as a `uint32_t` bit-vector mask with bit 0 (lsb) -> channel 0, and so on).
*
* @returns The channel mask.
*
*/
uint32_t GetMask(void) const { return mMask; }
/**
* This method sets the channel mask.
*
* @param[in] aMask A channel mask (as a `uint32_t` bit-vector mask with bit 0 (lsb) -> channel 0, and so on).
*
*/
void SetMask(uint32_t aMask) { mMask = aMask; }
/**
* This method indicates if the mask is empty.
*
* @returns TRUE if the mask is empty, FALSE otherwise.
*
*/
bool IsEmpty(void) const { return (mMask == 0); }
/**
* This method indicates if the mask contains only a single channel.
*
* @returns TRUE if channel mask contains a single channel, FALSE otherwise
*
*/
bool IsSingleChannel(void) const { return ((mMask != 0) && ((mMask & (mMask - 1)) == 0)); }
/**
* This method indicates if the mask contains a given channel.
*
* @param[in] aChannel A channel.
*
* @returns TRUE if the channel @p aChannel is included in the mask, FALSE otherwise.
*
*/
bool ContainsChannel(uint8_t aChannel) const { return ((1U << aChannel) & mMask) != 0; }
/**
* This method adds a channel to the channel mask.
*
* @param[in] aChannel A channel
*
*/
void AddChannel(uint8_t aChannel) { mMask |= (1U << aChannel); }
/**
* This method removes a channel from the channel mask.
*
* @param[in] aChannel A channel
*
*/
void RemoveChannel(uint8_t aChannel) { mMask &= ~(1U << aChannel); }
/**
* This method updates the channel mask by intersecting it with another mask.
*
* @param[in] aOtherMask Another channel mask.
*
*/
void Intersect(const ChannelMask &aOtherMask) { mMask &= aOtherMask.mMask; }
/**
* This method returns the number of channels in the mask.
*
* @returns Number of channels in the mask.
*
*/
uint8_t GetNumberOfChannels(void) const;
/**
* This method gets the next channel in the channel mask.
*
* This method can be used to iterate over all channels in the channel mask. To get the first channel (channel with
* lowest number) in the mask the @p aChannel should be set to `kChannelIteratorFirst`.
*
* @param[inout] aChannel A reference to a `uint8_t`.
* On entry it should contain the previous channel or `kChannelIteratorFirst`.
* On exit it contains the next channel.
*
* @retval OT_ERROR_NONE Got the next channel, @p aChannel updated successfully.
* @retval OT_ERROR_NOT_FOUND No next channel in the channel mask (note: @p aChannel may be changed).
*
*/
otError GetNextChannel(uint8_t &aChannel) const;
/**
* This method overloads `==` operator to indicate whether two masks are equal.
*
* @param[in] aAnother A reference to another mask to compare with the current one.
*
* @returns TRUE if the two masks are equal, FALSE otherwise.
*
*/
bool operator==(const ChannelMask &aAnother) const { return (mMask == aAnother.mMask); }
/**
* This method overloads `!=` operator to indicate whether two masks are different.
*
* @param[in] aAnother A reference to another mask to compare with the current one.
*
* @returns TRUE if the two masks are different, FALSE otherwise.
*
*/
bool operator!=(const ChannelMask &aAnother) const { return (mMask != aAnother.mMask); }
/**
* This method converts the channel mask into a human-readable string.
*
* Examples of possible output:
* - empty mask -> "{ }"
* - all channels -> "{ 11-26 }"
* - single channel -> "{ 20 }"
* - multiple ranges -> "{ 11, 14-17, 20-22, 24, 25 }"
* - no range -> "{ 14, 21, 26 }"
*
* @returns An `InfoString` object representing the channel mask.
*
*/
InfoString ToString(void) const;
private:
#if (OT_RADIO_CHANNEL_MIN >= 32) || (OT_RADIO_CHANNEL_MAX >= 32)
#error `OT_RADIO_CHANNEL_MAX` or `OT_RADIO_CHANNEL_MIN` are larger than 32. `ChannelMask` uses 32 bit mask.
#endif
uint32_t mMask;
};
/**
* This class implements the IEEE 802.15.4 MAC.
*