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Increase test coverage for addrman and addrinfo
Adds several unittests for CAddrMan and CAddrInfo. Increases the accuracy of addrman tests. Removes non-determinism in tests by overriding the random number generator. Extracts testing code from addrman class to test class.
This commit is contained in:
Ethan Heilman
EthanHeilman
parent
473ad1bb02
commit
40c87b6e69
@ -220,7 +220,7 @@ void CAddrMan::Good_(const CService& addr, int64_t nTime)
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return;
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// find a bucket it is in now
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int nRnd = GetRandInt(ADDRMAN_NEW_BUCKET_COUNT);
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int nRnd = RandomInt(ADDRMAN_NEW_BUCKET_COUNT);
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int nUBucket = -1;
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for (unsigned int n = 0; n < ADDRMAN_NEW_BUCKET_COUNT; n++) {
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int nB = (n + nRnd) % ADDRMAN_NEW_BUCKET_COUNT;
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@ -277,7 +277,7 @@ bool CAddrMan::Add_(const CAddress& addr, const CNetAddr& source, int64_t nTimeP
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int nFactor = 1;
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for (int n = 0; n < pinfo->nRefCount; n++)
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nFactor *= 2;
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if (nFactor > 1 && (GetRandInt(nFactor) != 0))
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if (nFactor > 1 && (RandomInt(nFactor) != 0))
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return false;
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} else {
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pinfo = Create(addr, source, &nId);
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@ -339,12 +339,12 @@ CAddrInfo CAddrMan::Select_(bool newOnly)
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// Use a 50% chance for choosing between tried and new table entries.
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if (!newOnly &&
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(nTried > 0 && (nNew == 0 || GetRandInt(2) == 0))) {
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(nTried > 0 && (nNew == 0 || RandomInt(2) == 0))) {
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// use a tried node
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double fChanceFactor = 1.0;
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while (1) {
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int nKBucket = GetRandInt(ADDRMAN_TRIED_BUCKET_COUNT);
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int nKBucketPos = GetRandInt(ADDRMAN_BUCKET_SIZE);
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int nKBucket = RandomInt(ADDRMAN_TRIED_BUCKET_COUNT);
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int nKBucketPos = RandomInt(ADDRMAN_BUCKET_SIZE);
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while (vvTried[nKBucket][nKBucketPos] == -1) {
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nKBucket = (nKBucket + insecure_rand()) % ADDRMAN_TRIED_BUCKET_COUNT;
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nKBucketPos = (nKBucketPos + insecure_rand()) % ADDRMAN_BUCKET_SIZE;
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@ -352,7 +352,7 @@ CAddrInfo CAddrMan::Select_(bool newOnly)
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int nId = vvTried[nKBucket][nKBucketPos];
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assert(mapInfo.count(nId) == 1);
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CAddrInfo& info = mapInfo[nId];
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if (GetRandInt(1 << 30) < fChanceFactor * info.GetChance() * (1 << 30))
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if (RandomInt(1 << 30) < fChanceFactor * info.GetChance() * (1 << 30))
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return info;
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fChanceFactor *= 1.2;
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}
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@ -360,8 +360,8 @@ CAddrInfo CAddrMan::Select_(bool newOnly)
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// use a new node
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double fChanceFactor = 1.0;
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while (1) {
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int nUBucket = GetRandInt(ADDRMAN_NEW_BUCKET_COUNT);
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int nUBucketPos = GetRandInt(ADDRMAN_BUCKET_SIZE);
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int nUBucket = RandomInt(ADDRMAN_NEW_BUCKET_COUNT);
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int nUBucketPos = RandomInt(ADDRMAN_BUCKET_SIZE);
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while (vvNew[nUBucket][nUBucketPos] == -1) {
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nUBucket = (nUBucket + insecure_rand()) % ADDRMAN_NEW_BUCKET_COUNT;
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nUBucketPos = (nUBucketPos + insecure_rand()) % ADDRMAN_BUCKET_SIZE;
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@ -369,7 +369,7 @@ CAddrInfo CAddrMan::Select_(bool newOnly)
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int nId = vvNew[nUBucket][nUBucketPos];
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assert(mapInfo.count(nId) == 1);
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CAddrInfo& info = mapInfo[nId];
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if (GetRandInt(1 << 30) < fChanceFactor * info.GetChance() * (1 << 30))
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if (RandomInt(1 << 30) < fChanceFactor * info.GetChance() * (1 << 30))
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return info;
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fChanceFactor *= 1.2;
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}
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@ -465,7 +465,7 @@ void CAddrMan::GetAddr_(std::vector<CAddress>& vAddr)
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if (vAddr.size() >= nNodes)
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break;
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int nRndPos = GetRandInt(vRandom.size() - n) + n;
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int nRndPos = RandomInt(vRandom.size() - n) + n;
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SwapRandom(n, nRndPos);
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assert(mapInfo.count(vRandom[n]) == 1);
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@ -494,3 +494,7 @@ void CAddrMan::Connected_(const CService& addr, int64_t nTime)
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if (nTime - info.nTime > nUpdateInterval)
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info.nTime = nTime;
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}
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int CAddrMan::RandomInt(int nMax){
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return GetRandInt(nMax);
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}
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@ -175,9 +175,6 @@ private:
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//! critical section to protect the inner data structures
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mutable CCriticalSection cs;
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//! secret key to randomize bucket select with
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uint256 nKey;
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//! last used nId
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int nIdCount;
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@ -203,6 +200,8 @@ private:
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int vvNew[ADDRMAN_NEW_BUCKET_COUNT][ADDRMAN_BUCKET_SIZE];
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protected:
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//! secret key to randomize bucket select with
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uint256 nKey;
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//! Find an entry.
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CAddrInfo* Find(const CNetAddr& addr, int *pnId = NULL);
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@ -235,6 +234,9 @@ protected:
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//! Select an address to connect to, if newOnly is set to true, only the new table is selected from.
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CAddrInfo Select_(bool newOnly);
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//! Wraps GetRandInt to allow tests to override RandomInt and make it determinismistic.
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virtual int RandomInt(int nMax);
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#ifdef DEBUG_ADDRMAN
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//! Perform consistency check. Returns an error code or zero.
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int Check_();
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@ -570,11 +572,6 @@ public:
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}
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}
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//! Ensure that bucket placement is always the same for testing purposes.
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void MakeDeterministic(){
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nKey.SetNull(); //Do not use outside of tests.
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}
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};
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#endif // BITCOIN_ADDRMAN_H
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@ -6,11 +6,49 @@
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#include <string>
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#include <boost/test/unit_test.hpp>
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#include "hash.h"
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#include "random.h"
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using namespace std;
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class CAddrManTest : public CAddrMan{};
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class CAddrManTest : public CAddrMan
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{
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uint64_t state;
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public:
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CAddrManTest()
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{
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state = 1;
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}
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//! Ensure that bucket placement is always the same for testing purposes.
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void MakeDeterministic()
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{
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nKey.SetNull();
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seed_insecure_rand(true);
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}
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int RandomInt(int nMax)
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{
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state = (CHashWriter(SER_GETHASH, 0) << state).GetHash().GetCheapHash();
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return (unsigned int)(state % nMax);
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}
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CAddrInfo* Find(const CNetAddr& addr, int* pnId = NULL)
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{
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return CAddrMan::Find(addr, pnId);
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}
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CAddrInfo* Create(const CAddress& addr, const CNetAddr& addrSource, int* pnId = NULL)
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{
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return CAddrMan::Create(addr, addrSource, pnId);
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}
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void Delete(int nId)
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{
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CAddrMan::Delete(nId);
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}
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};
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BOOST_FIXTURE_TEST_SUITE(addrman_tests, BasicTestingSetup)
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@ -21,7 +59,7 @@ BOOST_AUTO_TEST_CASE(addrman_simple)
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// Set addrman addr placement to be deterministic.
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addrman.MakeDeterministic();
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CNetAddr source = CNetAddr("252.2.2.2:8333");
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CNetAddr source = CNetAddr("252.2.2.2");
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// Test 1: Does Addrman respond correctly when empty.
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BOOST_CHECK(addrman.size() == 0);
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@ -29,7 +67,7 @@ BOOST_AUTO_TEST_CASE(addrman_simple)
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BOOST_CHECK(addr_null.ToString() == "[::]:0");
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// Test 2: Does Addrman::Add work as expected.
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CService addr1 = CService("250.1.1.1:8333");
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CService addr1 = CService("250.1.1.1", 8333);
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addrman.Add(CAddress(addr1), source);
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BOOST_CHECK(addrman.size() == 1);
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CAddrInfo addr_ret1 = addrman.Select();
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@ -37,14 +75,14 @@ BOOST_AUTO_TEST_CASE(addrman_simple)
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// Test 3: Does IP address deduplication work correctly.
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// Expected dup IP should not be added.
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CService addr1_dup = CService("250.1.1.1:8333");
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CService addr1_dup = CService("250.1.1.1", 8333);
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addrman.Add(CAddress(addr1_dup), source);
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BOOST_CHECK(addrman.size() == 1);
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// Test 5: New table has one addr and we add a diff addr we should
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// have two addrs.
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CService addr2 = CService("250.1.1.2:8333");
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CService addr2 = CService("250.1.1.2", 8333);
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addrman.Add(CAddress(addr2), source);
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BOOST_CHECK(addrman.size() == 2);
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@ -62,16 +100,16 @@ BOOST_AUTO_TEST_CASE(addrman_ports)
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// Set addrman addr placement to be deterministic.
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addrman.MakeDeterministic();
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CNetAddr source = CNetAddr("252.2.2.2:8333");
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CNetAddr source = CNetAddr("252.2.2.2");
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BOOST_CHECK(addrman.size() == 0);
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// Test 7; Addr with same IP but diff port does not replace existing addr.
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CService addr1 = CService("250.1.1.1:8333");
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CService addr1 = CService("250.1.1.1", 8333);
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addrman.Add(CAddress(addr1), source);
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BOOST_CHECK(addrman.size() == 1);
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CService addr1_port = CService("250.1.1.1:8334");
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CService addr1_port = CService("250.1.1.1", 8334);
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addrman.Add(CAddress(addr1_port), source);
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BOOST_CHECK(addrman.size() == 1);
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CAddrInfo addr_ret2 = addrman.Select();
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@ -94,10 +132,10 @@ BOOST_AUTO_TEST_CASE(addrman_select)
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// Set addrman addr placement to be deterministic.
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addrman.MakeDeterministic();
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CNetAddr source = CNetAddr("252.2.2.2:8333");
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CNetAddr source = CNetAddr("252.2.2.2");
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// Test 9: Select from new with 1 addr in new.
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CService addr1 = CService("250.1.1.1:8333");
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CService addr1 = CService("250.1.1.1", 8333);
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addrman.Add(CAddress(addr1), source);
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BOOST_CHECK(addrman.size() == 1);
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@ -105,7 +143,6 @@ BOOST_AUTO_TEST_CASE(addrman_select)
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CAddrInfo addr_ret1 = addrman.Select(newOnly);
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BOOST_CHECK(addr_ret1.ToString() == "250.1.1.1:8333");
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// Test 10: move addr to tried, select from new expected nothing returned.
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addrman.Good(CAddress(addr1));
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BOOST_CHECK(addrman.size() == 1);
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@ -114,6 +151,39 @@ BOOST_AUTO_TEST_CASE(addrman_select)
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CAddrInfo addr_ret3 = addrman.Select();
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BOOST_CHECK(addr_ret3.ToString() == "250.1.1.1:8333");
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BOOST_CHECK(addrman.size() == 1);
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// Add three addresses to new table.
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CService addr2 = CService("250.3.1.1", 8333);
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CService addr3 = CService("250.3.2.2", 9999);
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CService addr4 = CService("250.3.3.3", 9999);
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addrman.Add(CAddress(addr2), CService("250.3.1.1", 8333));
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addrman.Add(CAddress(addr3), CService("250.3.1.1", 8333));
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addrman.Add(CAddress(addr4), CService("250.4.1.1", 8333));
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// Add three addresses to tried table.
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CService addr5 = CService("250.4.4.4", 8333);
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CService addr6 = CService("250.4.5.5", 7777);
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CService addr7 = CService("250.4.6.6", 8333);
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addrman.Add(CAddress(addr5), CService("250.3.1.1", 8333));
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addrman.Good(CAddress(addr5));
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addrman.Add(CAddress(addr6), CService("250.3.1.1", 8333));
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addrman.Good(CAddress(addr6));
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addrman.Add(CAddress(addr7), CService("250.1.1.3", 8333));
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addrman.Good(CAddress(addr7));
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// Test 11: 6 addrs + 1 addr from last test = 7.
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BOOST_CHECK(addrman.size() == 7);
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// Test 12: Select pulls from new and tried regardless of port number.
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BOOST_CHECK(addrman.Select().ToString() == "250.4.6.6:8333");
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BOOST_CHECK(addrman.Select().ToString() == "250.3.2.2:9999");
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BOOST_CHECK(addrman.Select().ToString() == "250.3.3.3:9999");
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BOOST_CHECK(addrman.Select().ToString() == "250.4.4.4:8333");
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}
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BOOST_AUTO_TEST_CASE(addrman_new_collisions)
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@ -123,26 +193,26 @@ BOOST_AUTO_TEST_CASE(addrman_new_collisions)
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// Set addrman addr placement to be deterministic.
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addrman.MakeDeterministic();
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CNetAddr source = CNetAddr("252.2.2.2:8333");
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CNetAddr source = CNetAddr("252.2.2.2");
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BOOST_CHECK(addrman.size() == 0);
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for (unsigned int i = 1; i < 4; i++){
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for (unsigned int i = 1; i < 18; i++) {
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CService addr = CService("250.1.1." + boost::to_string(i));
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addrman.Add(CAddress(addr), source);
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//Test 11: No collision in new table yet.
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//Test 13: No collision in new table yet.
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BOOST_CHECK(addrman.size() == i);
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}
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//Test 12: new table collision!
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CService addr1 = CService("250.1.1.4");
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//Test 14: new table collision!
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CService addr1 = CService("250.1.1.18");
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addrman.Add(CAddress(addr1), source);
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BOOST_CHECK(addrman.size() == 3);
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BOOST_CHECK(addrman.size() == 17);
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CService addr2 = CService("250.1.1.5");
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CService addr2 = CService("250.1.1.19");
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addrman.Add(CAddress(addr2), source);
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BOOST_CHECK(addrman.size() == 4);
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BOOST_CHECK(addrman.size() == 18);
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}
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BOOST_AUTO_TEST_CASE(addrman_tried_collisions)
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@ -152,29 +222,300 @@ BOOST_AUTO_TEST_CASE(addrman_tried_collisions)
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// Set addrman addr placement to be deterministic.
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addrman.MakeDeterministic();
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CNetAddr source = CNetAddr("252.2.2.2:8333");
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CNetAddr source = CNetAddr("252.2.2.2");
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BOOST_CHECK(addrman.size() == 0);
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for (unsigned int i = 1; i < 75; i++){
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for (unsigned int i = 1; i < 80; i++) {
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CService addr = CService("250.1.1." + boost::to_string(i));
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addrman.Add(CAddress(addr), source);
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addrman.Good(CAddress(addr));
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//Test 13: No collision in tried table yet.
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//Test 15: No collision in tried table yet.
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BOOST_TEST_MESSAGE(addrman.size());
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BOOST_CHECK(addrman.size() == i);
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}
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//Test 14: tried table collision!
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CService addr1 = CService("250.1.1.76");
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//Test 16: tried table collision!
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CService addr1 = CService("250.1.1.80");
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addrman.Add(CAddress(addr1), source);
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BOOST_CHECK(addrman.size() == 74);
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BOOST_CHECK(addrman.size() == 79);
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CService addr2 = CService("250.1.1.77");
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CService addr2 = CService("250.1.1.81");
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addrman.Add(CAddress(addr2), source);
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BOOST_CHECK(addrman.size() == 75);
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BOOST_CHECK(addrman.size() == 80);
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}
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BOOST_AUTO_TEST_CASE(addrman_find)
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{
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CAddrManTest addrman;
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// Set addrman addr placement to be deterministic.
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addrman.MakeDeterministic();
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BOOST_CHECK(addrman.size() == 0);
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CAddress addr1 = CAddress(CService("250.1.2.1", 8333));
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CAddress addr2 = CAddress(CService("250.1.2.1", 9999));
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CAddress addr3 = CAddress(CService("251.255.2.1", 8333));
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CNetAddr source1 = CNetAddr("250.1.2.1");
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CNetAddr source2 = CNetAddr("250.1.2.2");
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addrman.Add(addr1, source1);
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addrman.Add(addr2, source2);
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addrman.Add(addr3, source1);
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// Test 17: ensure Find returns an IP matching what we searched on.
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CAddrInfo* info1 = addrman.Find(addr1);
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BOOST_CHECK(info1);
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if (info1)
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BOOST_CHECK(info1->ToString() == "250.1.2.1:8333");
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// Test 18; Find does not discriminate by port number.
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CAddrInfo* info2 = addrman.Find(addr2);
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BOOST_CHECK(info2);
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if (info2)
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BOOST_CHECK(info2->ToString() == info1->ToString());
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// Test 19: Find returns another IP matching what we searched on.
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CAddrInfo* info3 = addrman.Find(addr3);
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BOOST_CHECK(info3);
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if (info3)
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BOOST_CHECK(info3->ToString() == "251.255.2.1:8333");
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}
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BOOST_AUTO_TEST_CASE(addrman_create)
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{
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CAddrManTest addrman;
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// Set addrman addr placement to be deterministic.
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addrman.MakeDeterministic();
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|
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BOOST_CHECK(addrman.size() == 0);
|
||||
|
||||
CAddress addr1 = CAddress(CService("250.1.2.1", 8333));
|
||||
CNetAddr source1 = CNetAddr("250.1.2.1");
|
||||
|
||||
int nId;
|
||||
CAddrInfo* pinfo = addrman.Create(addr1, source1, &nId);
|
||||
|
||||
// Test 20: The result should be the same as the input addr.
|
||||
BOOST_CHECK(pinfo->ToString() == "250.1.2.1:8333");
|
||||
|
||||
CAddrInfo* info2 = addrman.Find(addr1);
|
||||
BOOST_CHECK(info2->ToString() == "250.1.2.1:8333");
|
||||
}
|
||||
|
||||
|
||||
BOOST_AUTO_TEST_CASE(addrman_delete)
|
||||
{
|
||||
CAddrManTest addrman;
|
||||
|
||||
// Set addrman addr placement to be deterministic.
|
||||
addrman.MakeDeterministic();
|
||||
|
||||
BOOST_CHECK(addrman.size() == 0);
|
||||
|
||||
CAddress addr1 = CAddress(CService("250.1.2.1", 8333));
|
||||
CNetAddr source1 = CNetAddr("250.1.2.1");
|
||||
|
||||
int nId;
|
||||
addrman.Create(addr1, source1, &nId);
|
||||
|
||||
// Test 21: Delete should actually delete the addr.
|
||||
BOOST_CHECK(addrman.size() == 1);
|
||||
addrman.Delete(nId);
|
||||
BOOST_CHECK(addrman.size() == 0);
|
||||
CAddrInfo* info2 = addrman.Find(addr1);
|
||||
BOOST_CHECK(info2 == NULL);
|
||||
}
|
||||
|
||||
BOOST_AUTO_TEST_CASE(addrman_getaddr)
|
||||
{
|
||||
CAddrManTest addrman;
|
||||
|
||||
// Set addrman addr placement to be deterministic.
|
||||
addrman.MakeDeterministic();
|
||||
|
||||
// Test 22: Sanity check, GetAddr should never return anything if addrman
|
||||
// is empty.
|
||||
BOOST_CHECK(addrman.size() == 0);
|
||||
vector<CAddress> vAddr1 = addrman.GetAddr();
|
||||
BOOST_CHECK(vAddr1.size() == 0);
|
||||
|
||||
CAddress addr1 = CAddress(CService("250.250.2.1", 8333));
|
||||
addr1.nTime = GetAdjustedTime(); // Set time so isTerrible = false
|
||||
CAddress addr2 = CAddress(CService("250.251.2.2", 9999));
|
||||
addr2.nTime = GetAdjustedTime();
|
||||
CAddress addr3 = CAddress(CService("251.252.2.3", 8333));
|
||||
addr3.nTime = GetAdjustedTime();
|
||||
CAddress addr4 = CAddress(CService("252.253.3.4", 8333));
|
||||
addr4.nTime = GetAdjustedTime();
|
||||
CAddress addr5 = CAddress(CService("252.254.4.5", 8333));
|
||||
addr5.nTime = GetAdjustedTime();
|
||||
CNetAddr source1 = CNetAddr("250.1.2.1");
|
||||
CNetAddr source2 = CNetAddr("250.2.3.3");
|
||||
|
||||
// Test 23: Ensure GetAddr works with new addresses.
|
||||
addrman.Add(addr1, source1);
|
||||
addrman.Add(addr2, source2);
|
||||
addrman.Add(addr3, source1);
|
||||
addrman.Add(addr4, source2);
|
||||
addrman.Add(addr5, source1);
|
||||
|
||||
// GetAddr returns 23% of addresses, 23% of 5 is 1 rounded down.
|
||||
BOOST_CHECK(addrman.GetAddr().size() == 1);
|
||||
|
||||
// Test 24: Ensure GetAddr works with new and tried addresses.
|
||||
addrman.Good(CAddress(addr1));
|
||||
addrman.Good(CAddress(addr2));
|
||||
BOOST_CHECK(addrman.GetAddr().size() == 1);
|
||||
|
||||
// Test 25: Ensure GetAddr still returns 23% when addrman has many addrs.
|
||||
for (unsigned int i = 1; i < (8 * 256); i++) {
|
||||
int octet1 = i % 256;
|
||||
int octet2 = (i / 256) % 256;
|
||||
int octet3 = (i / (256 * 2)) % 256;
|
||||
string strAddr = boost::to_string(octet1) + "." + boost::to_string(octet2) + "." + boost::to_string(octet3) + ".23";
|
||||
CAddress addr = CAddress(CService(strAddr));
|
||||
|
||||
// Ensure that for all addrs in addrman, isTerrible == false.
|
||||
addr.nTime = GetAdjustedTime();
|
||||
addrman.Add(addr, CNetAddr(strAddr));
|
||||
if (i % 8 == 0)
|
||||
addrman.Good(addr);
|
||||
}
|
||||
vector<CAddress> vAddr = addrman.GetAddr();
|
||||
|
||||
size_t percent23 = (addrman.size() * 23) / 100;
|
||||
BOOST_CHECK(vAddr.size() == percent23);
|
||||
BOOST_CHECK(vAddr.size() == 461);
|
||||
// (Addrman.size() < number of addresses added) due to address collisons.
|
||||
BOOST_CHECK(addrman.size() == 2007);
|
||||
}
|
||||
|
||||
|
||||
BOOST_AUTO_TEST_CASE(caddrinfo_get_tried_bucket)
|
||||
{
|
||||
CAddrManTest addrman;
|
||||
|
||||
// Set addrman addr placement to be deterministic.
|
||||
addrman.MakeDeterministic();
|
||||
|
||||
CAddress addr1 = CAddress(CService("250.1.1.1", 8333));
|
||||
CAddress addr2 = CAddress(CService("250.1.1.1", 9999));
|
||||
|
||||
CNetAddr source1 = CNetAddr("250.1.1.1");
|
||||
|
||||
|
||||
CAddrInfo info1 = CAddrInfo(addr1, source1);
|
||||
|
||||
uint256 nKey1 = (uint256)(CHashWriter(SER_GETHASH, 0) << 1).GetHash();
|
||||
uint256 nKey2 = (uint256)(CHashWriter(SER_GETHASH, 0) << 2).GetHash();
|
||||
|
||||
|
||||
BOOST_CHECK(info1.GetTriedBucket(nKey1) == 40);
|
||||
|
||||
// Test 26: Make sure key actually randomizes bucket placement. A fail on
|
||||
// this test could be a security issue.
|
||||
BOOST_CHECK(info1.GetTriedBucket(nKey1) != info1.GetTriedBucket(nKey2));
|
||||
|
||||
// Test 27: Two addresses with same IP but different ports can map to
|
||||
// different buckets because they have different keys.
|
||||
CAddrInfo info2 = CAddrInfo(addr2, source1);
|
||||
|
||||
BOOST_CHECK(info1.GetKey() != info2.GetKey());
|
||||
BOOST_CHECK(info1.GetTriedBucket(nKey1) != info2.GetTriedBucket(nKey1));
|
||||
|
||||
set<int> buckets;
|
||||
for (int i = 0; i < 255; i++) {
|
||||
CAddrInfo infoi = CAddrInfo(
|
||||
CAddress(CService("250.1.1." + boost::to_string(i))),
|
||||
CNetAddr("250.1.1." + boost::to_string(i)));
|
||||
int bucket = infoi.GetTriedBucket(nKey1);
|
||||
buckets.insert(bucket);
|
||||
}
|
||||
// Test 28: IP addresses in the same group (\16 prefix for IPv4) should
|
||||
// never get more than 8 buckets
|
||||
BOOST_CHECK(buckets.size() == 8);
|
||||
|
||||
buckets.clear();
|
||||
for (int j = 0; j < 255; j++) {
|
||||
CAddrInfo infoj = CAddrInfo(
|
||||
CAddress(CService("250." + boost::to_string(j) + ".1.1")),
|
||||
CNetAddr("250." + boost::to_string(j) + ".1.1"));
|
||||
int bucket = infoj.GetTriedBucket(nKey1);
|
||||
buckets.insert(bucket);
|
||||
}
|
||||
// Test 29: IP addresses in the different groups should map to more than
|
||||
// 8 buckets.
|
||||
BOOST_CHECK(buckets.size() == 160);
|
||||
}
|
||||
|
||||
BOOST_AUTO_TEST_CASE(caddrinfo_get_new_bucket)
|
||||
{
|
||||
CAddrManTest addrman;
|
||||
|
||||
// Set addrman addr placement to be deterministic.
|
||||
addrman.MakeDeterministic();
|
||||
|
||||
CAddress addr1 = CAddress(CService("250.1.2.1", 8333));
|
||||
CAddress addr2 = CAddress(CService("250.1.2.1", 9999));
|
||||
|
||||
CNetAddr source1 = CNetAddr("250.1.2.1");
|
||||
|
||||
CAddrInfo info1 = CAddrInfo(addr1, source1);
|
||||
|
||||
uint256 nKey1 = (uint256)(CHashWriter(SER_GETHASH, 0) << 1).GetHash();
|
||||
uint256 nKey2 = (uint256)(CHashWriter(SER_GETHASH, 0) << 2).GetHash();
|
||||
|
||||
BOOST_CHECK(info1.GetNewBucket(nKey1) == 786);
|
||||
|
||||
// Test 30: Make sure key actually randomizes bucket placement. A fail on
|
||||
// this test could be a security issue.
|
||||
BOOST_CHECK(info1.GetNewBucket(nKey1) != info1.GetNewBucket(nKey2));
|
||||
|
||||
// Test 31: Ports should not effect bucket placement in the addr
|
||||
CAddrInfo info2 = CAddrInfo(addr2, source1);
|
||||
BOOST_CHECK(info1.GetKey() != info2.GetKey());
|
||||
BOOST_CHECK(info1.GetNewBucket(nKey1) == info2.GetNewBucket(nKey1));
|
||||
|
||||
set<int> buckets;
|
||||
for (int i = 0; i < 255; i++) {
|
||||
CAddrInfo infoi = CAddrInfo(
|
||||
CAddress(CService("250.1.1." + boost::to_string(i))),
|
||||
CNetAddr("250.1.1." + boost::to_string(i)));
|
||||
int bucket = infoi.GetNewBucket(nKey1);
|
||||
buckets.insert(bucket);
|
||||
}
|
||||
// Test 32: IP addresses in the same group (\16 prefix for IPv4) should
|
||||
// always map to the same bucket.
|
||||
BOOST_CHECK(buckets.size() == 1);
|
||||
|
||||
buckets.clear();
|
||||
for (int j = 0; j < 4 * 255; j++) {
|
||||
CAddrInfo infoj = CAddrInfo(CAddress(
|
||||
CService(
|
||||
boost::to_string(250 + (j / 255)) + "." + boost::to_string(j % 256) + ".1.1")),
|
||||
CNetAddr("251.4.1.1"));
|
||||
int bucket = infoj.GetNewBucket(nKey1);
|
||||
buckets.insert(bucket);
|
||||
}
|
||||
// Test 33: IP addresses in the same source groups should map to no more
|
||||
// than 64 buckets.
|
||||
BOOST_CHECK(buckets.size() <= 64);
|
||||
|
||||
buckets.clear();
|
||||
for (int p = 0; p < 255; p++) {
|
||||
CAddrInfo infoj = CAddrInfo(
|
||||
CAddress(CService("250.1.1.1")),
|
||||
CNetAddr("250." + boost::to_string(p) + ".1.1"));
|
||||
int bucket = infoj.GetNewBucket(nKey1);
|
||||
buckets.insert(bucket);
|
||||
}
|
||||
// Test 34: IP addresses in the different source groups should map to more
|
||||
// than 64 buckets.
|
||||
BOOST_CHECK(buckets.size() > 64);
|
||||
}
|
||||
BOOST_AUTO_TEST_SUITE_END()
|
||||
Loading…
Reference in New Issue
Block a user