diff options
Diffstat (limited to 'src/addrman.cpp')
| -rw-r--r-- | src/addrman.cpp | 58 |
1 files changed, 44 insertions, 14 deletions
diff --git a/src/addrman.cpp b/src/addrman.cpp index 065fdbe4c6..121ae4bf7e 100644 --- a/src/addrman.cpp +++ b/src/addrman.cpp @@ -7,20 +7,27 @@ #include <hash.h> #include <serialize.h> +#include <logging.h> -int CAddrInfo::GetTriedBucket(const uint256& nKey) const +int CAddrInfo::GetTriedBucket(const uint256& nKey, const std::vector<bool> &asmap) const { uint64_t hash1 = (CHashWriter(SER_GETHASH, 0) << nKey << GetKey()).GetCheapHash(); - uint64_t hash2 = (CHashWriter(SER_GETHASH, 0) << nKey << GetGroup() << (hash1 % ADDRMAN_TRIED_BUCKETS_PER_GROUP)).GetCheapHash(); - return hash2 % ADDRMAN_TRIED_BUCKET_COUNT; + uint64_t hash2 = (CHashWriter(SER_GETHASH, 0) << nKey << GetGroup(asmap) << (hash1 % ADDRMAN_TRIED_BUCKETS_PER_GROUP)).GetCheapHash(); + int tried_bucket = hash2 % ADDRMAN_TRIED_BUCKET_COUNT; + uint32_t mapped_as = GetMappedAS(asmap); + LogPrint(BCLog::NET, "IP %s mapped to AS%i belongs to tried bucket %i.\n", ToStringIP(), mapped_as, tried_bucket); + return tried_bucket; } -int CAddrInfo::GetNewBucket(const uint256& nKey, const CNetAddr& src) const +int CAddrInfo::GetNewBucket(const uint256& nKey, const CNetAddr& src, const std::vector<bool> &asmap) const { - std::vector<unsigned char> vchSourceGroupKey = src.GetGroup(); - uint64_t hash1 = (CHashWriter(SER_GETHASH, 0) << nKey << GetGroup() << vchSourceGroupKey).GetCheapHash(); + std::vector<unsigned char> vchSourceGroupKey = src.GetGroup(asmap); + uint64_t hash1 = (CHashWriter(SER_GETHASH, 0) << nKey << GetGroup(asmap) << vchSourceGroupKey).GetCheapHash(); uint64_t hash2 = (CHashWriter(SER_GETHASH, 0) << nKey << vchSourceGroupKey << (hash1 % ADDRMAN_NEW_BUCKETS_PER_SOURCE_GROUP)).GetCheapHash(); - return hash2 % ADDRMAN_NEW_BUCKET_COUNT; + int new_bucket = hash2 % ADDRMAN_NEW_BUCKET_COUNT; + uint32_t mapped_as = GetMappedAS(asmap); + LogPrint(BCLog::NET, "IP %s mapped to AS%i belongs to new bucket %i.\n", ToStringIP(), mapped_as, new_bucket); + return new_bucket; } int CAddrInfo::GetBucketPosition(const uint256 &nKey, bool fNew, int nBucket) const @@ -153,7 +160,7 @@ void CAddrMan::MakeTried(CAddrInfo& info, int nId) assert(info.nRefCount == 0); // which tried bucket to move the entry to - int nKBucket = info.GetTriedBucket(nKey); + int nKBucket = info.GetTriedBucket(nKey, m_asmap); int nKBucketPos = info.GetBucketPosition(nKey, false, nKBucket); // first make space to add it (the existing tried entry there is moved to new, deleting whatever is there). @@ -169,7 +176,7 @@ void CAddrMan::MakeTried(CAddrInfo& info, int nId) nTried--; // find which new bucket it belongs to - int nUBucket = infoOld.GetNewBucket(nKey); + int nUBucket = infoOld.GetNewBucket(nKey, m_asmap); int nUBucketPos = infoOld.GetBucketPosition(nKey, true, nUBucket); ClearNew(nUBucket, nUBucketPos); assert(vvNew[nUBucket][nUBucketPos] == -1); @@ -233,7 +240,7 @@ void CAddrMan::Good_(const CService& addr, bool test_before_evict, int64_t nTime return; // which tried bucket to move the entry to - int tried_bucket = info.GetTriedBucket(nKey); + int tried_bucket = info.GetTriedBucket(nKey, m_asmap); int tried_bucket_pos = info.GetBucketPosition(nKey, false, tried_bucket); // Will moving this address into tried evict another entry? @@ -301,7 +308,7 @@ bool CAddrMan::Add_(const CAddress& addr, const CNetAddr& source, int64_t nTimeP fNew = true; } - int nUBucket = pinfo->GetNewBucket(nKey, source); + int nUBucket = pinfo->GetNewBucket(nKey, source, m_asmap); int nUBucketPos = pinfo->GetBucketPosition(nKey, true, nUBucket); if (vvNew[nUBucket][nUBucketPos] != nId) { bool fInsert = vvNew[nUBucket][nUBucketPos] == -1; @@ -439,7 +446,7 @@ int CAddrMan::Check_() if (vvTried[n][i] != -1) { if (!setTried.count(vvTried[n][i])) return -11; - if (mapInfo[vvTried[n][i]].GetTriedBucket(nKey) != n) + if (mapInfo[vvTried[n][i]].GetTriedBucket(nKey, m_asmap) != n) return -17; if (mapInfo[vvTried[n][i]].GetBucketPosition(nKey, false, n) != i) return -18; @@ -545,7 +552,7 @@ void CAddrMan::ResolveCollisions_() CAddrInfo& info_new = mapInfo[id_new]; // Which tried bucket to move the entry to. - int tried_bucket = info_new.GetTriedBucket(nKey); + int tried_bucket = info_new.GetTriedBucket(nKey, m_asmap); int tried_bucket_pos = info_new.GetBucketPosition(nKey, false, tried_bucket); if (!info_new.IsValid()) { // id_new may no longer map to a valid address erase_collision = true; @@ -609,10 +616,33 @@ CAddrInfo CAddrMan::SelectTriedCollision_() CAddrInfo& newInfo = mapInfo[id_new]; // which tried bucket to move the entry to - int tried_bucket = newInfo.GetTriedBucket(nKey); + int tried_bucket = newInfo.GetTriedBucket(nKey, m_asmap); int tried_bucket_pos = newInfo.GetBucketPosition(nKey, false, tried_bucket); int id_old = vvTried[tried_bucket][tried_bucket_pos]; return mapInfo[id_old]; } + +std::vector<bool> CAddrMan::DecodeAsmap(fs::path path) +{ + std::vector<bool> bits; + FILE *filestr = fsbridge::fopen(path, "rb"); + CAutoFile file(filestr, SER_DISK, CLIENT_VERSION); + if (file.IsNull()) { + LogPrintf("Failed to open asmap file from disk.\n"); + return bits; + } + fseek(filestr, 0, SEEK_END); + int length = ftell(filestr); + LogPrintf("Opened asmap file %s (%d bytes) from disk.\n", path, length); + fseek(filestr, 0, SEEK_SET); + char cur_byte; + for (int i = 0; i < length; ++i) { + file >> cur_byte; + for (int bit = 0; bit < 8; ++bit) { + bits.push_back((cur_byte >> bit) & 1); + } + } + return bits; +} |