diff options
Diffstat (limited to 'src/test')
| -rw-r--r-- | src/test/addrman_tests.cpp | 403 |
1 files changed, 372 insertions, 31 deletions
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()
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