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dead code removal

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This commit is contained in:
Adam Ierymenko 2020-03-26 15:56:26 -07:00
parent 3914964a35
commit 3f32cffc40
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GPG Key ID: C8877CF2D7A5D7F3
1 changed files with 0 additions and 84 deletions

84
node/Address.hpp

@ -116,90 +116,6 @@ public:
ZT_INLINE bool operator>=(const Address &a) const noexcept { return _a >= a._a; }
ZT_INLINE bool operator<=(const Address &a) const noexcept { return _a <= a._a; }
#if 0
/**
* Create a list of the first N bits of a list of unique addresses with N as the minimum unique size
*
* The list is stored in a space-efficient packed bit format.
*
* @param start Starting Address iterator/pointer
* @param end Ending Address iterator/pointer
* @param list Pointer to location to write list
* @param listCapacityBytes Number of bytes available for list
* @return Number of bytes written or -1 on overflow or other error
* @tparam I Input iterator type
*/
template<typename I>
static inline int createMinPrefixList(I start,I end,uint8_t *list,const int listCapacityBytes)
{
std::vector<Address> sortedAddrs(start,end);
if (sortedAddrs.empty())
return 0;
if (listCapacityBytes == 0)
return -1;
std::sort(sortedAddrs.begin(),sortedAddrs.end());
unsigned int bits = (unsigned int)fmaxf(log2f((float)(sortedAddrs.size() * 2)),3.0F);
uint64_t mask;
try_additional_bits: {
mask = 0xffffffffffffffffULL >> (64 - bits);
std::vector<Address>::iterator a(sortedAddrs.begin());
uint64_t aa = *(a++) & mask;
aa |= (uint64_t)(aa == 0);
uint64_t lastMaskedAddress = aa;
while (a != sortedAddrs.end()) {
aa = *(a++) & mask;
aa |= (uint64_t)(aa == 0);
if (aa == lastMaskedAddress) {
++bits;
goto try_additional_bits;
}
lastMaskedAddress = aa;
}
}
int l = 0;
unsigned int bitPtr = 0;
for(I a(start);a!=end;) {
uint64_t aa = *(a++) & mask;
aa |= (uint64_t)(aa == 0);
unsigned int br = bits;
if (bitPtr > 0) {
unsigned int w = 8 - bitPtr;
if (w > br) w = br;
list[l] = (list[l] << w) | (((uint8_t)aa) & (0xff >> (8 - w)));
bitPtr += w;
if (bitPtr == 8) {
bitPtr = 0;
if (l >= listCapacityBytes)
return -1;
++l;
}
aa >>= w;
br -= w;
}
while (br >= 8) {
if (l >= listCapacityBytes)
return -1;
list[l++] = (uint8_t)aa;
br -= 8;
aa >>= 8;
}
if (br > 0) {
list[l] = (uint8_t)aa;
bitPtr = br;
}
}
if (bitPtr > 0) {
if (l >= listCapacityBytes)
return -1;
++l;
}
return l;
}
#endif
private:
uint64_t _a;
};