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Pr/slaac utility (#698)

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* Provide utility for IPv6 SLAAC (#651)

* Semantically Opaque Interface Identifier with IPv6 SLAAC (#651)
This commit is contained in:
Hubert Miś
2016-09-29 17:37:10 +02:00
committed by Jonathan Hui
parent 537f0fdac8
commit aeba71b1a1
15 changed files with 599 additions and 97 deletions
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src/cli/cli.cpp
+2 -95
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@@ -52,7 +52,6 @@
#include <common/encoding.hpp>
#include <common/new.hpp>
#include <net/ip6.hpp>
#include <platform/random.h>
#include <platform/uart.h>
using Thread::Encoding::BigEndian::HostSwap16;
@@ -2389,102 +2388,10 @@ void Interpreter::s_HandleNetifStateChanged(uint32_t aFlags, void *aContext)
void Interpreter::HandleNetifStateChanged(uint32_t aFlags)
{
otNetworkDataIterator iterator;
otBorderRouterConfig config;
VerifyOrExit((aFlags & OT_THREAD_NETDATA_UPDATED) != 0, ;);
// remove addresses
for (size_t i = 0; i < sizeof(sAutoAddresses) / sizeof(sAutoAddresses[0]); i++)
{
otNetifAddress *address = &sAutoAddresses[i];
bool found = false;
if (address->mValidLifetime == 0)
{
continue;
}
iterator = OT_NETWORK_DATA_ITERATOR_INIT;
while (otGetNextOnMeshPrefix(mInstance, false, &iterator, &config) == kThreadError_None)
{
if (config.mSlaac == false)
{
continue;
}
if (otIp6PrefixMatch(&config.mPrefix.mPrefix, &address->mAddress) >= config.mPrefix.mLength &&
config.mPrefix.mLength == address->mPrefixLength)
{
found = true;
break;
}
}
if (!found)
{
otRemoveUnicastAddress(mInstance, &address->mAddress);
address->mValidLifetime = 0;
}
}
// add addresses
iterator = OT_NETWORK_DATA_ITERATOR_INIT;
while (otGetNextOnMeshPrefix(mInstance, false, &iterator, &config) == kThreadError_None)
{
bool found = false;
if (config.mSlaac == false)
{
continue;
}
for (size_t i = 0; i < sizeof(sAutoAddresses) / sizeof(sAutoAddresses[0]); i++)
{
otNetifAddress *address = &sAutoAddresses[i];
if (address->mValidLifetime == 0)
{
continue;
}
if (otIp6PrefixMatch(&config.mPrefix.mPrefix, &address->mAddress) >= config.mPrefix.mLength &&
config.mPrefix.mLength == address->mPrefixLength)
{
found = true;
break;
}
}
if (!found)
{
for (size_t i = 0; i < sizeof(sAutoAddresses) / sizeof(sAutoAddresses[0]); i++)
{
otNetifAddress *address = &sAutoAddresses[i];
if (address->mValidLifetime != 0)
{
continue;
}
memset(address, 0, sizeof(*address));
memcpy(&address->mAddress, &config.mPrefix.mPrefix, 8);
for (size_t j = 8; j < sizeof(address->mAddress); j++)
{
address->mAddress.mFields.m8[j] = (uint8_t)otPlatRandomGet();
}
address->mPrefixLength = config.mPrefix.mLength;
address->mPreferredLifetime = config.mPreferred ? 0xffffffff : 0;
address->mValidLifetime = 0xffffffff;
otAddUnicastAddress(mInstance, address);
break;
}
}
}
otSlaacUpdate(mInstance, mAutoAddresses, sizeof(mAutoAddresses) / sizeof(mAutoAddresses[0]), otCreateRandomIid,
NULL);
exit:
return;