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-rw-r--r--src/addrman.cpp24
-rw-r--r--src/addrman.h13
-rw-r--r--src/test/addrman_tests.cpp403
3 files changed, 391 insertions, 49 deletions
diff --git a/src/addrman.cpp b/src/addrman.cpp
index f88d9c47ca..6c54cfa4cd 100644
--- a/src/addrman.cpp
+++ b/src/addrman.cpp
@@ -221,7 +221,7 @@ void CAddrMan::Good_(const CService& addr, int64_t nTime)
return;
// find a bucket it is in now
- int nRnd = GetRandInt(ADDRMAN_NEW_BUCKET_COUNT);
+ int nRnd = RandomInt(ADDRMAN_NEW_BUCKET_COUNT);
int nUBucket = -1;
for (unsigned int n = 0; n < ADDRMAN_NEW_BUCKET_COUNT; n++) {
int nB = (n + nRnd) % ADDRMAN_NEW_BUCKET_COUNT;
@@ -278,7 +278,7 @@ bool CAddrMan::Add_(const CAddress& addr, const CNetAddr& source, int64_t nTimeP
int nFactor = 1;
for (int n = 0; n < pinfo->nRefCount; n++)
nFactor *= 2;
- if (nFactor > 1 && (GetRandInt(nFactor) != 0))
+ if (nFactor > 1 && (RandomInt(nFactor) != 0))
return false;
} else {
pinfo = Create(addr, source, &nId);
@@ -340,12 +340,12 @@ CAddrInfo CAddrMan::Select_(bool newOnly)
// Use a 50% chance for choosing between tried and new table entries.
if (!newOnly &&
- (nTried > 0 && (nNew == 0 || GetRandInt(2) == 0))) {
+ (nTried > 0 && (nNew == 0 || RandomInt(2) == 0))) {
// use a tried node
double fChanceFactor = 1.0;
while (1) {
- int nKBucket = GetRandInt(ADDRMAN_TRIED_BUCKET_COUNT);
- int nKBucketPos = GetRandInt(ADDRMAN_BUCKET_SIZE);
+ int nKBucket = RandomInt(ADDRMAN_TRIED_BUCKET_COUNT);
+ int nKBucketPos = RandomInt(ADDRMAN_BUCKET_SIZE);
while (vvTried[nKBucket][nKBucketPos] == -1) {
nKBucket = (nKBucket + insecure_rand()) % ADDRMAN_TRIED_BUCKET_COUNT;
nKBucketPos = (nKBucketPos + insecure_rand()) % ADDRMAN_BUCKET_SIZE;
@@ -353,7 +353,7 @@ CAddrInfo CAddrMan::Select_(bool newOnly)
int nId = vvTried[nKBucket][nKBucketPos];
assert(mapInfo.count(nId) == 1);
CAddrInfo& info = mapInfo[nId];
- if (GetRandInt(1 << 30) < fChanceFactor * info.GetChance() * (1 << 30))
+ if (RandomInt(1 << 30) < fChanceFactor * info.GetChance() * (1 << 30))
return info;
fChanceFactor *= 1.2;
}
@@ -361,8 +361,8 @@ CAddrInfo CAddrMan::Select_(bool newOnly)
// use a new node
double fChanceFactor = 1.0;
while (1) {
- int nUBucket = GetRandInt(ADDRMAN_NEW_BUCKET_COUNT);
- int nUBucketPos = GetRandInt(ADDRMAN_BUCKET_SIZE);
+ int nUBucket = RandomInt(ADDRMAN_NEW_BUCKET_COUNT);
+ int nUBucketPos = RandomInt(ADDRMAN_BUCKET_SIZE);
while (vvNew[nUBucket][nUBucketPos] == -1) {
nUBucket = (nUBucket + insecure_rand()) % ADDRMAN_NEW_BUCKET_COUNT;
nUBucketPos = (nUBucketPos + insecure_rand()) % ADDRMAN_BUCKET_SIZE;
@@ -370,7 +370,7 @@ CAddrInfo CAddrMan::Select_(bool newOnly)
int nId = vvNew[nUBucket][nUBucketPos];
assert(mapInfo.count(nId) == 1);
CAddrInfo& info = mapInfo[nId];
- if (GetRandInt(1 << 30) < fChanceFactor * info.GetChance() * (1 << 30))
+ if (RandomInt(1 << 30) < fChanceFactor * info.GetChance() * (1 << 30))
return info;
fChanceFactor *= 1.2;
}
@@ -466,7 +466,7 @@ void CAddrMan::GetAddr_(std::vector<CAddress>& vAddr)
if (vAddr.size() >= nNodes)
break;
- int nRndPos = GetRandInt(vRandom.size() - n) + n;
+ int nRndPos = RandomInt(vRandom.size() - n) + n;
SwapRandom(n, nRndPos);
assert(mapInfo.count(vRandom[n]) == 1);
@@ -495,3 +495,7 @@ void CAddrMan::Connected_(const CService& addr, int64_t nTime)
if (nTime - info.nTime > nUpdateInterval)
info.nTime = nTime;
}
+
+int CAddrMan::RandomInt(int nMax){
+ return GetRandInt(nMax);
+}
diff --git a/src/addrman.h b/src/addrman.h
index cccecd1468..4f3de8d7c5 100644
--- a/src/addrman.h
+++ b/src/addrman.h
@@ -176,9 +176,6 @@ private:
//! critical section to protect the inner data structures
mutable CCriticalSection cs;
- //! secret key to randomize bucket select with
- uint256 nKey;
-
//! last used nId
int nIdCount;
@@ -204,6 +201,8 @@ private:
int vvNew[ADDRMAN_NEW_BUCKET_COUNT][ADDRMAN_BUCKET_SIZE];
protected:
+ //! secret key to randomize bucket select with
+ uint256 nKey;
//! Find an entry.
CAddrInfo* Find(const CNetAddr& addr, int *pnId = NULL);
@@ -236,6 +235,9 @@ protected:
//! Select an address to connect to, if newOnly is set to true, only the new table is selected from.
CAddrInfo Select_(bool newOnly);
+ //! Wraps GetRandInt to allow tests to override RandomInt and make it determinismistic.
+ virtual int RandomInt(int nMax);
+
#ifdef DEBUG_ADDRMAN
//! Perform consistency check. Returns an error code or zero.
int Check_();
@@ -570,11 +572,6 @@ public:
Check();
}
}
-
- //! Ensure that bucket placement is always the same for testing purposes.
- void MakeDeterministic(){
- nKey.SetNull(); //Do not use outside of tests.
- }
};
diff --git a/src/test/addrman_tests.cpp b/src/test/addrman_tests.cpp
index a1e6a204fc..767b653e47 100644
--- a/src/test/addrman_tests.cpp
+++ b/src/test/addrman_tests.cpp
@@ -6,11 +6,49 @@
#include <string>
#include <boost/test/unit_test.hpp>
+#include "hash.h"
#include "random.h"
using namespace std;
-class CAddrManTest : public CAddrMan{};
+class CAddrManTest : public CAddrMan
+{
+ uint64_t state;
+
+public:
+ CAddrManTest()
+ {
+ state = 1;
+ }
+
+ //! Ensure that bucket placement is always the same for testing purposes.
+ void MakeDeterministic()
+ {
+ nKey.SetNull();
+ seed_insecure_rand(true);
+ }
+
+ int RandomInt(int nMax)
+ {
+ state = (CHashWriter(SER_GETHASH, 0) << state).GetHash().GetCheapHash();
+ return (unsigned int)(state % nMax);
+ }
+
+ CAddrInfo* Find(const CNetAddr& addr, int* pnId = NULL)
+ {
+ return CAddrMan::Find(addr, pnId);
+ }
+
+ CAddrInfo* Create(const CAddress& addr, const CNetAddr& addrSource, int* pnId = NULL)
+ {
+ return CAddrMan::Create(addr, addrSource, pnId);
+ }
+
+ void Delete(int nId)
+ {
+ CAddrMan::Delete(nId);
+ }
+};
BOOST_FIXTURE_TEST_SUITE(addrman_tests, BasicTestingSetup)
@@ -21,7 +59,7 @@ BOOST_AUTO_TEST_CASE(addrman_simple)
// Set addrman addr placement to be deterministic.
addrman.MakeDeterministic();
- CNetAddr source = CNetAddr("252.2.2.2:8333");
+ CNetAddr source = CNetAddr("252.2.2.2");
// Test 1: Does Addrman respond correctly when empty.
BOOST_CHECK(addrman.size() == 0);
@@ -29,26 +67,26 @@ BOOST_AUTO_TEST_CASE(addrman_simple)
BOOST_CHECK(addr_null.ToString() == "[::]:0");
// Test 2: Does Addrman::Add work as expected.
- CService addr1 = CService("250.1.1.1:8333");
+ CService addr1 = CService("250.1.1.1", 8333);
addrman.Add(CAddress(addr1), source);
BOOST_CHECK(addrman.size() == 1);
CAddrInfo addr_ret1 = addrman.Select();
BOOST_CHECK(addr_ret1.ToString() == "250.1.1.1:8333");
- // Test 3: Does IP address deduplication work correctly.
+ // Test 3: Does IP address deduplication work correctly.
// Expected dup IP should not be added.
- CService addr1_dup = CService("250.1.1.1:8333");
+ CService addr1_dup = CService("250.1.1.1", 8333);
addrman.Add(CAddress(addr1_dup), source);
BOOST_CHECK(addrman.size() == 1);
// Test 5: New table has one addr and we add a diff addr we should
// have two addrs.
- CService addr2 = CService("250.1.1.2:8333");
+ CService addr2 = CService("250.1.1.2", 8333);
addrman.Add(CAddress(addr2), source);
BOOST_CHECK(addrman.size() == 2);
- // Test 6: AddrMan::Clear() should empty the new table.
+ // Test 6: AddrMan::Clear() should empty the new table.
addrman.Clear();
BOOST_CHECK(addrman.size() == 0);
CAddrInfo addr_null2 = addrman.Select();
@@ -62,16 +100,16 @@ BOOST_AUTO_TEST_CASE(addrman_ports)
// Set addrman addr placement to be deterministic.
addrman.MakeDeterministic();
- CNetAddr source = CNetAddr("252.2.2.2:8333");
+ CNetAddr source = CNetAddr("252.2.2.2");
BOOST_CHECK(addrman.size() == 0);
// Test 7; Addr with same IP but diff port does not replace existing addr.
- CService addr1 = CService("250.1.1.1:8333");
+ CService addr1 = CService("250.1.1.1", 8333);
addrman.Add(CAddress(addr1), source);
BOOST_CHECK(addrman.size() == 1);
- CService addr1_port = CService("250.1.1.1:8334");
+ CService addr1_port = CService("250.1.1.1", 8334);
addrman.Add(CAddress(addr1_port), source);
BOOST_CHECK(addrman.size() == 1);
CAddrInfo addr_ret2 = addrman.Select();
@@ -94,10 +132,10 @@ BOOST_AUTO_TEST_CASE(addrman_select)
// Set addrman addr placement to be deterministic.
addrman.MakeDeterministic();
- CNetAddr source = CNetAddr("252.2.2.2:8333");
+ CNetAddr source = CNetAddr("252.2.2.2");
// Test 9: Select from new with 1 addr in new.
- CService addr1 = CService("250.1.1.1:8333");
+ CService addr1 = CService("250.1.1.1", 8333);
addrman.Add(CAddress(addr1), source);
BOOST_CHECK(addrman.size() == 1);
@@ -105,7 +143,6 @@ BOOST_AUTO_TEST_CASE(addrman_select)
CAddrInfo addr_ret1 = addrman.Select(newOnly);
BOOST_CHECK(addr_ret1.ToString() == "250.1.1.1:8333");
-
// Test 10: move addr to tried, select from new expected nothing returned.
addrman.Good(CAddress(addr1));
BOOST_CHECK(addrman.size() == 1);
@@ -114,6 +151,39 @@ BOOST_AUTO_TEST_CASE(addrman_select)
CAddrInfo addr_ret3 = addrman.Select();
BOOST_CHECK(addr_ret3.ToString() == "250.1.1.1:8333");
+
+ BOOST_CHECK(addrman.size() == 1);
+
+
+ // Add three addresses to new table.
+ CService addr2 = CService("250.3.1.1", 8333);
+ CService addr3 = CService("250.3.2.2", 9999);
+ CService addr4 = CService("250.3.3.3", 9999);
+
+ addrman.Add(CAddress(addr2), CService("250.3.1.1", 8333));
+ addrman.Add(CAddress(addr3), CService("250.3.1.1", 8333));
+ addrman.Add(CAddress(addr4), CService("250.4.1.1", 8333));
+
+ // Add three addresses to tried table.
+ CService addr5 = CService("250.4.4.4", 8333);
+ CService addr6 = CService("250.4.5.5", 7777);
+ CService addr7 = CService("250.4.6.6", 8333);
+
+ addrman.Add(CAddress(addr5), CService("250.3.1.1", 8333));
+ addrman.Good(CAddress(addr5));
+ addrman.Add(CAddress(addr6), CService("250.3.1.1", 8333));
+ addrman.Good(CAddress(addr6));
+ addrman.Add(CAddress(addr7), CService("250.1.1.3", 8333));
+ addrman.Good(CAddress(addr7));
+
+ // Test 11: 6 addrs + 1 addr from last test = 7.
+ BOOST_CHECK(addrman.size() == 7);
+
+ // Test 12: Select pulls from new and tried regardless of port number.
+ BOOST_CHECK(addrman.Select().ToString() == "250.4.6.6:8333");
+ BOOST_CHECK(addrman.Select().ToString() == "250.3.2.2:9999");
+ BOOST_CHECK(addrman.Select().ToString() == "250.3.3.3:9999");
+ BOOST_CHECK(addrman.Select().ToString() == "250.4.4.4:8333");
}
BOOST_AUTO_TEST_CASE(addrman_new_collisions)
@@ -123,26 +193,26 @@ BOOST_AUTO_TEST_CASE(addrman_new_collisions)
// Set addrman addr placement to be deterministic.
addrman.MakeDeterministic();
- CNetAddr source = CNetAddr("252.2.2.2:8333");
+ CNetAddr source = CNetAddr("252.2.2.2");
BOOST_CHECK(addrman.size() == 0);
- for (unsigned int i = 1; i < 4; i++){
- CService addr = CService("250.1.1."+boost::to_string(i));
+ for (unsigned int i = 1; i < 18; i++) {
+ CService addr = CService("250.1.1." + boost::to_string(i));
addrman.Add(CAddress(addr), source);
- //Test 11: No collision in new table yet.
+ //Test 13: No collision in new table yet.
BOOST_CHECK(addrman.size() == i);
}
- //Test 12: new table collision!
- CService addr1 = CService("250.1.1.4");
+ //Test 14: new table collision!
+ CService addr1 = CService("250.1.1.18");
addrman.Add(CAddress(addr1), source);
- BOOST_CHECK(addrman.size() == 3);
+ BOOST_CHECK(addrman.size() == 17);
- CService addr2 = CService("250.1.1.5");
+ CService addr2 = CService("250.1.1.19");
addrman.Add(CAddress(addr2), source);
- BOOST_CHECK(addrman.size() == 4);
+ BOOST_CHECK(addrman.size() == 18);
}
BOOST_AUTO_TEST_CASE(addrman_tried_collisions)
@@ -152,29 +222,300 @@ BOOST_AUTO_TEST_CASE(addrman_tried_collisions)
// Set addrman addr placement to be deterministic.
addrman.MakeDeterministic();
- CNetAddr source = CNetAddr("252.2.2.2:8333");
+ CNetAddr source = CNetAddr("252.2.2.2");
BOOST_CHECK(addrman.size() == 0);
- for (unsigned int i = 1; i < 75; i++){
- CService addr = CService("250.1.1."+boost::to_string(i));
+ for (unsigned int i = 1; i < 80; i++) {
+ CService addr = CService("250.1.1." + boost::to_string(i));
addrman.Add(CAddress(addr), source);
addrman.Good(CAddress(addr));
- //Test 13: No collision in tried table yet.
+ //Test 15: No collision in tried table yet.
BOOST_TEST_MESSAGE(addrman.size());
BOOST_CHECK(addrman.size() == i);
}
- //Test 14: tried table collision!
- CService addr1 = CService("250.1.1.76");
+ //Test 16: tried table collision!
+ CService addr1 = CService("250.1.1.80");
addrman.Add(CAddress(addr1), source);
- BOOST_CHECK(addrman.size() == 74);
+ BOOST_CHECK(addrman.size() == 79);
- CService addr2 = CService("250.1.1.77");
+ CService addr2 = CService("250.1.1.81");
addrman.Add(CAddress(addr2), source);
- BOOST_CHECK(addrman.size() == 75);
+ BOOST_CHECK(addrman.size() == 80);
+}
+
+BOOST_AUTO_TEST_CASE(addrman_find)
+{
+ 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));
+ CAddress addr2 = CAddress(CService("250.1.2.1", 9999));
+ CAddress addr3 = CAddress(CService("251.255.2.1", 8333));
+
+ CNetAddr source1 = CNetAddr("250.1.2.1");
+ CNetAddr source2 = CNetAddr("250.1.2.2");
+
+ addrman.Add(addr1, source1);
+ addrman.Add(addr2, source2);
+ addrman.Add(addr3, source1);
+
+ // Test 17: ensure Find returns an IP matching what we searched on.
+ CAddrInfo* info1 = addrman.Find(addr1);
+ BOOST_CHECK(info1);
+ if (info1)
+ BOOST_CHECK(info1->ToString() == "250.1.2.1:8333");
+
+ // Test 18; Find does not discriminate by port number.
+ CAddrInfo* info2 = addrman.Find(addr2);
+ BOOST_CHECK(info2);
+ if (info2)
+ BOOST_CHECK(info2->ToString() == info1->ToString());
+
+ // Test 19: Find returns another IP matching what we searched on.
+ CAddrInfo* info3 = addrman.Find(addr3);
+ BOOST_CHECK(info3);
+ if (info3)
+ BOOST_CHECK(info3->ToString() == "251.255.2.1:8333");
+}
+
+BOOST_AUTO_TEST_CASE(addrman_create)
+{
+ 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;
+ 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() \ No newline at end of file
generated by cgit v1.2.3 (git 2.26.2) at 2024-12-16 14:03:30 +0000