// Copyright (c) 2012 Pieter Wuille
// Distributed under the MIT/X11 software license, see the accompanying
-// file license.txt or http://www.opensource.org/licenses/mit-license.php.
+// file COPYING or http://www.opensource.org/licenses/mit-license.php.
#include "addrman.h"
+#include "hash.h"
using namespace std;
CDataStream ss1(SER_GETHASH, 0);
std::vector<unsigned char> vchKey = GetKey();
ss1 << nKey << vchKey;
- uint64 hash1 = Hash(ss1.begin(), ss1.end()).Get64();
+ uint64_t hash1 = Hash(ss1.begin(), ss1.end()).Get64();
CDataStream ss2(SER_GETHASH, 0);
std::vector<unsigned char> vchGroupKey = GetGroup();
ss2 << nKey << vchGroupKey << (hash1 % ADDRMAN_TRIED_BUCKETS_PER_GROUP);
- uint64 hash2 = Hash(ss2.begin(), ss2.end()).Get64();
+ uint64_t hash2 = Hash(ss2.begin(), ss2.end()).Get64();
return hash2 % ADDRMAN_TRIED_BUCKET_COUNT;
}
std::vector<unsigned char> vchGroupKey = GetGroup();
std::vector<unsigned char> vchSourceGroupKey = src.GetGroup();
ss1 << nKey << vchGroupKey << vchSourceGroupKey;
- uint64 hash1 = Hash(ss1.begin(), ss1.end()).Get64();
+ uint64_t hash1 = Hash(ss1.begin(), ss1.end()).Get64();
CDataStream ss2(SER_GETHASH, 0);
ss2 << nKey << vchSourceGroupKey << (hash1 % ADDRMAN_NEW_BUCKETS_PER_SOURCE_GROUP);
- uint64 hash2 = Hash(ss2.begin(), ss2.end()).Get64();
+ uint64_t hash2 = Hash(ss2.begin(), ss2.end()).Get64();
return hash2 % ADDRMAN_NEW_BUCKET_COUNT;
}
-bool CAddrInfo::IsTerrible(int64 nNow) const
+bool CAddrInfo::IsTerrible(int64_t nNow) const
{
if (nLastTry && nLastTry >= nNow-60) // never remove things tried the last minute
return false;
if (nTime > nNow + 10*60) // came in a flying DeLorean
return true;
- if (nTime==0 || nNow-nTime > ADDRMAN_HORIZON_DAYS*86400) // not seen in over a month
+ if (nTime==0 || nNow-nTime > ADDRMAN_HORIZON_DAYS*nOneDay) // not seen in over a month
return true;
if (nLastSuccess==0 && nAttempts>=ADDRMAN_RETRIES) // tried three times and never a success
return true;
- if (nNow-nLastSuccess > ADDRMAN_MIN_FAIL_DAYS*86400 && nAttempts>=ADDRMAN_MAX_FAILURES) // 10 successive failures in the last week
+ if (nNow-nLastSuccess > ADDRMAN_MIN_FAIL_DAYS*nOneDay && nAttempts>=ADDRMAN_MAX_FAILURES) // 10 successive failures in the last week
return true;
return false;
}
-double CAddrInfo::GetChance(int64 nNow) const
+double CAddrInfo::GetChance(int64_t nNow) const
{
double fChance = 1.0;
- int64 nSinceLastSeen = nNow - nTime;
- int64 nSinceLastTry = nNow - nLastTry;
+ int64_t nSinceLastSeen = nNow - nTime;
+ int64_t nSinceLastTry = nNow - nLastTry;
if (nSinceLastSeen < 0) nSinceLastSeen = 0;
if (nSinceLastTry < 0) nSinceLastTry = 0;
return &mapInfo[nId];
}
-void CAddrMan::SwapRandom(int nRndPos1, int nRndPos2)
+void CAddrMan::SwapRandom(unsigned int nRndPos1, unsigned int nRndPos2)
{
if (nRndPos1 == nRndPos2)
return;
+ 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;
// random shuffle the first few elements (using the entire list)
// find the least recently tried among them
- int64 nOldest = -1;
+ int64_t nOldest = -1;
int nOldestPos = -1;
for (unsigned int i = 0; i < ADDRMAN_TRIED_ENTRIES_INSPECT_ON_EVICT && i < vTried.size(); i++)
{
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;
nOldestPos = nPos;
int CAddrMan::ShrinkNew(int nUBucket)
{
+ assert(nUBucket >= 0 && (unsigned int)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())
{
{
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)
+ if (--info.nRefCount == 0)
{
SwapRandom(info.nRandomPos, vRandom.size()-1);
vRandom.pop_back();
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++)
{
}
nNew--;
+ assert(info.nRefCount == 0);
+
// what tried bucket to move the entry to
int nKBucket = info.GetTriedBucket(nKey);
std::vector<int> &vTried = vvTried[nKBucket];
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];
infoOld.nRefCount = 1;
// do not update nTried, as we are going to move something else there immediately
- // check whether there is place in that one,
+ // check whether there is place in that one,
if (vNew.size() < ADDRMAN_NEW_BUCKET_SIZE)
{
// if so, move it back there
return;
}
-void CAddrMan::Good_(const CService &addr, int64 nTime)
+void CAddrMan::Good_(const CService &addr, int64_t nTime)
{
// printf("Good: addr=%s\n", addr.ToString().c_str());
MakeTried(info, nId, nUBucket);
}
-bool CAddrMan::Add_(const CAddress &addr, const CNetAddr& source, int64 nTimePenalty)
+bool CAddrMan::Add_(const CAddress &addr, const CNetAddr& source, int64_t nTimePenalty)
{
if (!addr.IsRoutable())
return false;
if (pinfo)
{
// periodically update nTime
- bool fCurrentlyOnline = (GetAdjustedTime() - addr.nTime < 24 * 60 * 60);
- int64 nUpdateInterval = (fCurrentlyOnline ? 60 * 60 : 24 * 60 * 60);
+ bool fCurrentlyOnline = (GetAdjustedTime() - addr.nTime < nOneDay);
+ int64_t nUpdateInterval = (fCurrentlyOnline ? nOneHour : nOneDay);
if (addr.nTime && (!pinfo->nTime || pinfo->nTime < addr.nTime - nUpdateInterval - nTimePenalty))
- pinfo->nTime = max((int64)0, addr.nTime - nTimePenalty);
+ pinfo->nTime = max((int64_t)0, addr.nTime - nTimePenalty);
// add services
pinfo->nServices |= addr.nServices;
return false;
} else {
pinfo = Create(addr, source, &nId);
- pinfo->nTime = max((int64)0, (int64)pinfo->nTime - nTimePenalty);
+ pinfo->nTime = max((int64_t)0, (int64_t)pinfo->nTime - nTimePenalty);
// printf("Added %s [nTime=%fhr]\n", pinfo->ToString().c_str(), (GetAdjustedTime() - pinfo->nTime) / 3600.0);
nNew++;
fNew = true;
return fNew;
}
-void CAddrMan::Attempt_(const CService &addr, int64 nTime)
+void CAddrMan::Attempt_(const CService &addr, int64_t nTime)
{
CAddrInfo *pinfo = Find(addr);
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;
fChanceFactor *= 1.2;
}
} else {
- // use an new node
+ // use a new node
double fChanceFactor = 1.0;
while(1)
{
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;
void CAddrMan::GetAddr_(std::vector<CAddress> &vAddr)
{
- int nNodes = ADDRMAN_GETADDR_MAX_PCT*vRandom.size()/100;
+ size_t nNodes = ADDRMAN_GETADDR_MAX_PCT*vRandom.size()/100;
if (nNodes > ADDRMAN_GETADDR_MAX)
nNodes = ADDRMAN_GETADDR_MAX;
// perform a random shuffle over the first nNodes elements of vRandom (selecting from all)
- for (int n = 0; n<nNodes; n++)
+ for (unsigned int n = 0; n<nNodes; n++)
{
int nRndPos = GetRandInt(vRandom.size() - n) + n;
SwapRandom(n, nRndPos);
+ assert(mapInfo.count(vRandom[n]) == 1);
vAddr.push_back(mapInfo[vRandom[n]]);
}
}
-void CAddrMan::Connected_(const CService &addr, int64 nTime)
+void CAddrMan::GetOnlineAddr_(std::vector<CAddrInfo> &vAddr)
+{
+ for (std::map<int, CAddrInfo>::const_iterator it = mapInfo.begin(); it != mapInfo.end(); it++)
+ {
+ CAddrInfo addr = it->second;
+ bool fCurrentlyOnline = (GetAdjustedTime() - addr.nTime < nOneDay);
+ if (fCurrentlyOnline)
+ vAddr.push_back(addr);
+ }
+}
+
+void CAddrMan::Connected_(const CService &addr, int64_t nTime)
{
CAddrInfo *pinfo = Find(addr);
return;
// update info
- int64 nUpdateInterval = 20 * 60;
+ int64_t nUpdateInterval = 20 * 60;
if (nTime - info.nTime > nUpdateInterval)
info.nTime = nTime;
}
git://git.novaco.in / novacoin.git / blobdiff