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Add extra asserts to addrman

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This commit is contained in:
Pieter Wuille 2012-05-05 21:30:38 +02:00
parent 82e6b92b0a
commit 29a86a1735
1 changed files with 19 additions and 0 deletions
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19
src/addrman.cpp
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@ -107,9 +107,15 @@ void CAddrMan::SwapRandom(int nRndPos1, int nRndPos2)
if (nRndPos1 == nRndPos2)
return;
assert(nRndPos1 >= 0 && nRndPos2 >= 0);
assert(nRndPos1 < vRandom.size() && nRndPos2 < vRandom.size());
int nId1 = vRandom[nRndPos1];
int nId2 = vRandom[nRndPos2];
assert(mapInfo.count(nId1) == 1);
assert(mapInfo.count(nId2) == 1);
mapInfo[nId1].nRandomPos = nRndPos2;
mapInfo[nId2].nRandomPos = nRndPos1;
@ -130,6 +136,7 @@ int CAddrMan::SelectTried(int nKBucket)
int nTemp = vTried[nPos];
vTried[nPos] = vTried[i];
vTried[i] = nTemp;
assert(nOldest == -1 || mapInfo.count(nTemp) == 1);
if (nOldest == -1 || mapInfo[nTemp].nLastSuccess < mapInfo[nOldest].nLastSuccess)
nOldest = nTemp;
}
@ -139,11 +146,13 @@ int CAddrMan::SelectTried(int nKBucket)
int CAddrMan::ShrinkNew(int nUBucket)
{
assert(nUBucket >= 0 && nUBucket < vvNew.size());
std::set<int> &vNew = vvNew[nUBucket];
// first look for deletable items
for (std::set<int>::iterator it = vNew.begin(); it != vNew.end(); it++)
{
assert(mapInfo.count(*it));
CAddrInfo &info = mapInfo[*it];
if (info.IsTerrible())
{
@ -168,11 +177,13 @@ int CAddrMan::ShrinkNew(int nUBucket)
{
if (nI == n[0] || nI == n[1] || nI == n[2] || nI == n[3])
{
assert(nOldest == -1 || mapInfo.count(*it) == 1);
if (nOldest == -1 || mapInfo[*it].nTime < mapInfo[nOldest].nTime)
nOldest = *it;
}
nI++;
}
assert(mapInfo.count(nOldest) == 1);
CAddrInfo &info = mapInfo[nOldest];
if (--info.nRefCount == 0)
{
@ -189,6 +200,8 @@ int CAddrMan::ShrinkNew(int nUBucket)
void CAddrMan::MakeTried(CAddrInfo& info, int nId, int nOrigin)
{
assert(vvNew[nOrigin].count(nId) == 1);
// remove the entry from all new buckets
for (std::vector<std::set<int> >::iterator it = vvNew.begin(); it != vvNew.end(); it++)
{
@ -197,6 +210,8 @@ void CAddrMan::MakeTried(CAddrInfo& info, int nId, int nOrigin)
}
nNew--;
assert(info.nRefCount == 0);
// what tried bucket to move the entry to
int nKBucket = info.GetTriedBucket(nKey);
std::vector<int> &vTried = vvTried[nKBucket];
@ -214,6 +229,7 @@ void CAddrMan::MakeTried(CAddrInfo& info, int nId, int nOrigin)
int nPos = SelectTried(nKBucket);
// find which new bucket it belongs to
assert(mapInfo.count(vTried[nPos]) == 1);
int nUBucket = mapInfo[vTried[nPos]].GetNewBucket(nKey);
std::set<int> &vNew = vvNew[nUBucket];
@ -385,6 +401,7 @@ CAddress CAddrMan::Select_(int nUnkBias)
std::vector<int> &vTried = vvTried[nKBucket];
if (vTried.size() == 0) continue;
int nPos = GetRandInt(vTried.size());
assert(mapInfo.count(vTried[nPos]) == 1);
CAddrInfo &info = mapInfo[vTried[nPos]];
if (GetRandInt(1<<30) < fChanceFactor*info.GetChance()*(1<<30))
return info;
@ -402,6 +419,7 @@ CAddress CAddrMan::Select_(int nUnkBias)
std::set<int>::iterator it = vNew.begin();
while (nPos--)
it++;
assert(mapInfo.count(*it) == 1);
CAddrInfo &info = mapInfo[*it];
if (GetRandInt(1<<30) < fChanceFactor*info.GetChance()*(1<<30))
return info;
@ -481,6 +499,7 @@ void CAddrMan::GetAddr_(std::vector<CAddress> &vAddr)
{
int nRndPos = GetRandInt(vRandom.size() - n) + n;
SwapRandom(n, nRndPos);
assert(mapInfo.count(vRandom[n]) == 1);
vAddr.push_back(mapInfo[vRandom[n]]);
}
}