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@ -37,6 +37,7 @@ |
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#include "src/core/ext/filters/client_channel/resolver.h" |
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#include "src/core/ext/filters/client_channel/resolver/dns/c_ares/grpc_ares_wrapper.h" |
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#include "src/core/ext/filters/client_channel/resolver_registry.h" |
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#include "src/core/ext/filters/client_channel/server_address.h" |
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#include "src/core/lib/channel/channel_args.h" |
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#include "src/core/lib/gpr/env.h" |
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#include "src/core/lib/gpr/host_port.h" |
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@ -167,30 +168,26 @@ void OverrideAddressSortingSourceAddrFactory( |
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address_sorting_override_source_addr_factory_for_testing(factory); |
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} |
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grpc_lb_addresses* BuildLbAddrInputs(std::vector<TestAddress> test_addrs) { |
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grpc_lb_addresses* lb_addrs = grpc_lb_addresses_create(0, nullptr); |
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lb_addrs->addresses = |
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(grpc_lb_address*)gpr_zalloc(sizeof(grpc_lb_address) * test_addrs.size()); |
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lb_addrs->num_addresses = test_addrs.size(); |
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for (size_t i = 0; i < test_addrs.size(); i++) { |
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lb_addrs->addresses[i].address = |
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TestAddressToGrpcResolvedAddress(test_addrs[i]); |
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grpc_core::ServerAddressList BuildLbAddrInputs( |
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const std::vector<TestAddress>& test_addrs) { |
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grpc_core::ServerAddressList addresses; |
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for (const auto& addr : test_addrs) { |
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addresses.emplace_back(TestAddressToGrpcResolvedAddress(addr), nullptr); |
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} |
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return lb_addrs; |
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return addresses; |
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} |
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void VerifyLbAddrOutputs(grpc_lb_addresses* lb_addrs, |
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void VerifyLbAddrOutputs(const grpc_core::ServerAddressList addresses, |
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std::vector<std::string> expected_addrs) { |
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EXPECT_EQ(lb_addrs->num_addresses, expected_addrs.size()); |
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for (size_t i = 0; i < lb_addrs->num_addresses; i++) { |
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EXPECT_EQ(addresses.size(), expected_addrs.size()); |
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for (size_t i = 0; i < addresses.size(); ++i) { |
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char* ip_addr_str; |
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grpc_sockaddr_to_string(&ip_addr_str, &lb_addrs->addresses[i].address, |
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grpc_sockaddr_to_string(&ip_addr_str, &addresses[i].address(), |
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false /* normalize */); |
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EXPECT_EQ(expected_addrs[i], ip_addr_str); |
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gpr_free(ip_addr_str); |
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} |
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grpc_core::ExecCtx exec_ctx; |
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grpc_lb_addresses_destroy(lb_addrs); |
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} |
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/* We need to run each test case inside of its own
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@ -212,11 +209,11 @@ TEST_F(AddressSortingTest, TestDepriotizesUnreachableAddresses) { |
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{ |
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{"1.2.3.4:443", {"4.3.2.1:443", AF_INET}}, |
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}); |
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auto* lb_addrs = BuildLbAddrInputs({ |
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auto lb_addrs = BuildLbAddrInputs({ |
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{"1.2.3.4:443", AF_INET}, |
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{"5.6.7.8:443", AF_INET}, |
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}); |
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grpc_cares_wrapper_address_sorting_sort(lb_addrs); |
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grpc_cares_wrapper_address_sorting_sort(&lb_addrs); |
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VerifyLbAddrOutputs(lb_addrs, { |
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"1.2.3.4:443", |
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"5.6.7.8:443", |
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@ -235,7 +232,7 @@ TEST_F(AddressSortingTest, TestDepriotizesUnsupportedDomainIpv6) { |
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{"[2607:f8b0:400a:801::1002]:443", AF_INET6}, |
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{"1.2.3.4:443", AF_INET}, |
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}); |
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grpc_cares_wrapper_address_sorting_sort(lb_addrs); |
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grpc_cares_wrapper_address_sorting_sort(&lb_addrs); |
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VerifyLbAddrOutputs(lb_addrs, { |
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"1.2.3.4:443", |
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"[2607:f8b0:400a:801::1002]:443", |
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@ -251,11 +248,11 @@ TEST_F(AddressSortingTest, TestDepriotizesUnsupportedDomainIpv4) { |
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{"1.2.3.4:443", {"4.3.2.1:0", AF_INET}}, |
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{"[2607:f8b0:400a:801::1002]:443", {"[fec0::1234]:0", AF_INET6}}, |
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}); |
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grpc_lb_addresses* lb_addrs = BuildLbAddrInputs({ |
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auto lb_addrs = BuildLbAddrInputs({ |
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{"[2607:f8b0:400a:801::1002]:443", AF_INET6}, |
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{"1.2.3.4:443", AF_INET}, |
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}); |
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grpc_cares_wrapper_address_sorting_sort(lb_addrs); |
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grpc_cares_wrapper_address_sorting_sort(&lb_addrs); |
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VerifyLbAddrOutputs(lb_addrs, { |
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"[2607:f8b0:400a:801::1002]:443", |
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"1.2.3.4:443", |
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@ -275,11 +272,11 @@ TEST_F(AddressSortingTest, TestDepriotizesNonMatchingScope) { |
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{"[fec0::5000]:443", |
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{"[fec0::5001]:0", AF_INET6}}, // site-local and site-local scope
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}); |
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grpc_lb_addresses* lb_addrs = BuildLbAddrInputs({ |
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auto lb_addrs = BuildLbAddrInputs({ |
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{"[2000:f8b0:400a:801::1002]:443", AF_INET6}, |
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{"[fec0::5000]:443", AF_INET6}, |
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}); |
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grpc_cares_wrapper_address_sorting_sort(lb_addrs); |
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grpc_cares_wrapper_address_sorting_sort(&lb_addrs); |
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VerifyLbAddrOutputs(lb_addrs, { |
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"[fec0::5000]:443", |
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"[2000:f8b0:400a:801::1002]:443", |
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@ -298,11 +295,11 @@ TEST_F(AddressSortingTest, TestUsesLabelFromDefaultTable) { |
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{"[2001::5001]:443", |
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{"[2001::5002]:0", AF_INET6}}, // matching labels
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}); |
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grpc_lb_addresses* lb_addrs = BuildLbAddrInputs({ |
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auto lb_addrs = BuildLbAddrInputs({ |
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{"[2002::5001]:443", AF_INET6}, |
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{"[2001::5001]:443", AF_INET6}, |
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}); |
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grpc_cares_wrapper_address_sorting_sort(lb_addrs); |
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grpc_cares_wrapper_address_sorting_sort(&lb_addrs); |
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VerifyLbAddrOutputs(lb_addrs, { |
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"[2001::5001]:443", |
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"[2002::5001]:443", |
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@ -321,11 +318,11 @@ TEST_F(AddressSortingTest, TestUsesLabelFromDefaultTableInputFlipped) { |
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{"[2001::5001]:443", |
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{"[2001::5002]:0", AF_INET6}}, // matching labels
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}); |
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grpc_lb_addresses* lb_addrs = BuildLbAddrInputs({ |
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auto lb_addrs = BuildLbAddrInputs({ |
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{"[2001::5001]:443", AF_INET6}, |
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{"[2002::5001]:443", AF_INET6}, |
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}); |
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grpc_cares_wrapper_address_sorting_sort(lb_addrs); |
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grpc_cares_wrapper_address_sorting_sort(&lb_addrs); |
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VerifyLbAddrOutputs(lb_addrs, { |
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"[2001::5001]:443", |
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"[2002::5001]:443", |
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@ -344,11 +341,11 @@ TEST_F(AddressSortingTest, |
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{"[3ffe::5001]:443", {"[3ffe::5002]:0", AF_INET6}}, |
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{"1.2.3.4:443", {"5.6.7.8:0", AF_INET}}, |
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}); |
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grpc_lb_addresses* lb_addrs = BuildLbAddrInputs({ |
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auto lb_addrs = BuildLbAddrInputs({ |
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{"[3ffe::5001]:443", AF_INET6}, |
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{"1.2.3.4:443", AF_INET}, |
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}); |
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grpc_cares_wrapper_address_sorting_sort(lb_addrs); |
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grpc_cares_wrapper_address_sorting_sort(&lb_addrs); |
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VerifyLbAddrOutputs( |
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lb_addrs, { |
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// The AF_INET address should be IPv4-mapped by the sort,
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@ -377,11 +374,11 @@ TEST_F(AddressSortingTest, |
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{"[::1]:443", {"[::1]:0", AF_INET6}}, |
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{v4_compat_dest, {v4_compat_src, AF_INET6}}, |
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}); |
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grpc_lb_addresses* lb_addrs = BuildLbAddrInputs({ |
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auto lb_addrs = BuildLbAddrInputs({ |
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{v4_compat_dest, AF_INET6}, |
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{"[::1]:443", AF_INET6}, |
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}); |
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grpc_cares_wrapper_address_sorting_sort(lb_addrs); |
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grpc_cares_wrapper_address_sorting_sort(&lb_addrs); |
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VerifyLbAddrOutputs(lb_addrs, { |
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"[::1]:443", |
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v4_compat_dest, |
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@ -400,11 +397,11 @@ TEST_F(AddressSortingTest, |
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{"[1234::2]:443", {"[1234::2]:0", AF_INET6}}, |
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{"[::1]:443", {"[::1]:0", AF_INET6}}, |
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}); |
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grpc_lb_addresses* lb_addrs = BuildLbAddrInputs({ |
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auto lb_addrs = BuildLbAddrInputs({ |
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{"[1234::2]:443", AF_INET6}, |
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{"[::1]:443", AF_INET6}, |
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}); |
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grpc_cares_wrapper_address_sorting_sort(lb_addrs); |
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grpc_cares_wrapper_address_sorting_sort(&lb_addrs); |
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VerifyLbAddrOutputs( |
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lb_addrs, |
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{ |
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@ -424,11 +421,11 @@ TEST_F(AddressSortingTest, |
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{"[2001::1234]:443", {"[2001::5678]:0", AF_INET6}}, |
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{"[2000::5001]:443", {"[2000::5002]:0", AF_INET6}}, |
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}); |
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grpc_lb_addresses* lb_addrs = BuildLbAddrInputs({ |
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auto lb_addrs = BuildLbAddrInputs({ |
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{"[2001::1234]:443", AF_INET6}, |
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{"[2000::5001]:443", AF_INET6}, |
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}); |
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grpc_cares_wrapper_address_sorting_sort(lb_addrs); |
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grpc_cares_wrapper_address_sorting_sort(&lb_addrs); |
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VerifyLbAddrOutputs( |
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lb_addrs, { |
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// The 2000::/16 address should match the ::/0 prefix rule
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@ -448,11 +445,11 @@ TEST_F( |
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{"[2001::1231]:443", {"[2001::1232]:0", AF_INET6}}, |
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{"[2000::5001]:443", {"[2000::5002]:0", AF_INET6}}, |
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}); |
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grpc_lb_addresses* lb_addrs = BuildLbAddrInputs({ |
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auto lb_addrs = BuildLbAddrInputs({ |
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{"[2001::1231]:443", AF_INET6}, |
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{"[2000::5001]:443", AF_INET6}, |
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}); |
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grpc_cares_wrapper_address_sorting_sort(lb_addrs); |
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grpc_cares_wrapper_address_sorting_sort(&lb_addrs); |
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VerifyLbAddrOutputs(lb_addrs, { |
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"[2000::5001]:443", |
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"[2001::1231]:443", |
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@ -469,11 +466,11 @@ TEST_F(AddressSortingTest, |
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{"[fec0::1234]:443", {"[fec0::5678]:0", AF_INET6}}, |
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{"[fc00::5001]:443", {"[fc00::5002]:0", AF_INET6}}, |
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}); |
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grpc_lb_addresses* lb_addrs = BuildLbAddrInputs({ |
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auto lb_addrs = BuildLbAddrInputs({ |
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{"[fec0::1234]:443", AF_INET6}, |
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{"[fc00::5001]:443", AF_INET6}, |
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}); |
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grpc_cares_wrapper_address_sorting_sort(lb_addrs); |
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grpc_cares_wrapper_address_sorting_sort(&lb_addrs); |
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VerifyLbAddrOutputs(lb_addrs, { |
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"[fc00::5001]:443", |
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"[fec0::1234]:443", |
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@ -494,11 +491,11 @@ TEST_F( |
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{"[::ffff:1.1.1.2]:443", {"[::ffff:1.1.1.3]:0", AF_INET6}}, |
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{"[1234::2]:443", {"[1234::3]:0", AF_INET6}}, |
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}); |
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grpc_lb_addresses* lb_addrs = BuildLbAddrInputs({ |
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auto lb_addrs = BuildLbAddrInputs({ |
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{"[::ffff:1.1.1.2]:443", AF_INET6}, |
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{"[1234::2]:443", AF_INET6}, |
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}); |
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grpc_cares_wrapper_address_sorting_sort(lb_addrs); |
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grpc_cares_wrapper_address_sorting_sort(&lb_addrs); |
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VerifyLbAddrOutputs(lb_addrs, { |
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// ::ffff:0:2 should match the v4-mapped
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// precedence entry and be deprioritized.
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@ -521,11 +518,11 @@ TEST_F(AddressSortingTest, TestPrefersSmallerScope) { |
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{"[fec0::1234]:443", {"[fec0::5678]:0", AF_INET6}}, |
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{"[3ffe::5001]:443", {"[3ffe::5002]:0", AF_INET6}}, |
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}); |
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grpc_lb_addresses* lb_addrs = BuildLbAddrInputs({ |
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auto lb_addrs = BuildLbAddrInputs({ |
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{"[3ffe::5001]:443", AF_INET6}, |
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{"[fec0::1234]:443", AF_INET6}, |
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}); |
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grpc_cares_wrapper_address_sorting_sort(lb_addrs); |
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grpc_cares_wrapper_address_sorting_sort(&lb_addrs); |
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VerifyLbAddrOutputs(lb_addrs, { |
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"[fec0::1234]:443", |
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"[3ffe::5001]:443", |
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@ -546,11 +543,11 @@ TEST_F(AddressSortingTest, TestPrefersLongestMatchingSrcDstPrefix) { |
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{"[3ffe:1234::]:443", {"[3ffe:1235::]:0", AF_INET6}}, |
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{"[3ffe:5001::]:443", {"[3ffe:4321::]:0", AF_INET6}}, |
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}); |
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grpc_lb_addresses* lb_addrs = BuildLbAddrInputs({ |
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auto lb_addrs = BuildLbAddrInputs({ |
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{"[3ffe:5001::]:443", AF_INET6}, |
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{"[3ffe:1234::]:443", AF_INET6}, |
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}); |
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grpc_cares_wrapper_address_sorting_sort(lb_addrs); |
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grpc_cares_wrapper_address_sorting_sort(&lb_addrs); |
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VerifyLbAddrOutputs(lb_addrs, { |
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"[3ffe:1234::]:443", |
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"[3ffe:5001::]:443", |
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@ -567,11 +564,11 @@ TEST_F(AddressSortingTest, |
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{"[3ffe::1234]:443", {"[3ffe::1235]:0", AF_INET6}}, |
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{"[3ffe::5001]:443", {"[3ffe::4321]:0", AF_INET6}}, |
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}); |
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grpc_lb_addresses* lb_addrs = BuildLbAddrInputs({ |
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auto lb_addrs = BuildLbAddrInputs({ |
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{"[3ffe::5001]:443", AF_INET6}, |
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{"[3ffe::1234]:443", AF_INET6}, |
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}); |
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grpc_cares_wrapper_address_sorting_sort(lb_addrs); |
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grpc_cares_wrapper_address_sorting_sort(&lb_addrs); |
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VerifyLbAddrOutputs(lb_addrs, { |
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"[3ffe::1234]:443", |
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"[3ffe::5001]:443", |
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@ -587,11 +584,11 @@ TEST_F(AddressSortingTest, TestPrefersLongestPrefixStressInnerBytePrefix) { |
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{"[3ffe:8000::]:443", {"[3ffe:C000::]:0", AF_INET6}}, |
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{"[3ffe:2000::]:443", {"[3ffe:3000::]:0", AF_INET6}}, |
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}); |
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grpc_lb_addresses* lb_addrs = BuildLbAddrInputs({ |
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auto lb_addrs = BuildLbAddrInputs({ |
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{"[3ffe:8000::]:443", AF_INET6}, |
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{"[3ffe:2000::]:443", AF_INET6}, |
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}); |
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grpc_cares_wrapper_address_sorting_sort(lb_addrs); |
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grpc_cares_wrapper_address_sorting_sort(&lb_addrs); |
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VerifyLbAddrOutputs(lb_addrs, { |
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"[3ffe:2000::]:443", |
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"[3ffe:8000::]:443", |
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@ -607,11 +604,11 @@ TEST_F(AddressSortingTest, TestPrefersLongestPrefixDiffersOnHighestBitOfByte) { |
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{"[3ffe:6::]:443", {"[3ffe:8::]:0", AF_INET6}}, |
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{"[3ffe:c::]:443", {"[3ffe:8::]:0", AF_INET6}}, |
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}); |
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grpc_lb_addresses* lb_addrs = BuildLbAddrInputs({ |
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auto lb_addrs = BuildLbAddrInputs({ |
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{"[3ffe:6::]:443", AF_INET6}, |
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{"[3ffe:c::]:443", AF_INET6}, |
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}); |
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grpc_cares_wrapper_address_sorting_sort(lb_addrs); |
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grpc_cares_wrapper_address_sorting_sort(&lb_addrs); |
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VerifyLbAddrOutputs(lb_addrs, { |
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"[3ffe:c::]:443", |
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"[3ffe:6::]:443", |
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@ -629,11 +626,11 @@ TEST_F(AddressSortingTest, TestPrefersLongestPrefixDiffersByLastBit) { |
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{"[3ffe:1111:1111:1110::]:443", |
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{"[3ffe:1111:1111:1111::]:0", AF_INET6}}, |
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}); |
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grpc_lb_addresses* lb_addrs = BuildLbAddrInputs({ |
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auto lb_addrs = BuildLbAddrInputs({ |
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{"[3ffe:1111:1111:1110::]:443", AF_INET6}, |
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{"[3ffe:1111:1111:1111::]:443", AF_INET6}, |
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}); |
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grpc_cares_wrapper_address_sorting_sort(lb_addrs); |
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grpc_cares_wrapper_address_sorting_sort(&lb_addrs); |
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VerifyLbAddrOutputs(lb_addrs, { |
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"[3ffe:1111:1111:1111::]:443", |
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"[3ffe:1111:1111:1110::]:443", |
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@ -651,11 +648,11 @@ TEST_F(AddressSortingTest, TestStableSort) { |
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{"[3ffe::1234]:443", {"[3ffe::1236]:0", AF_INET6}}, |
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{"[3ffe::1235]:443", {"[3ffe::1237]:0", AF_INET6}}, |
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}); |
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grpc_lb_addresses* lb_addrs = BuildLbAddrInputs({ |
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auto lb_addrs = BuildLbAddrInputs({ |
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{"[3ffe::1234]:443", AF_INET6}, |
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{"[3ffe::1235]:443", AF_INET6}, |
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}); |
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grpc_cares_wrapper_address_sorting_sort(lb_addrs); |
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grpc_cares_wrapper_address_sorting_sort(&lb_addrs); |
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VerifyLbAddrOutputs(lb_addrs, { |
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"[3ffe::1234]:443", |
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"[3ffe::1235]:443", |
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@ -674,14 +671,14 @@ TEST_F(AddressSortingTest, TestStableSortFiveElements) { |
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{"[3ffe::1234]:443", {"[3ffe::1204]:0", AF_INET6}}, |
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{"[3ffe::1235]:443", {"[3ffe::1205]:0", AF_INET6}}, |
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}); |
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grpc_lb_addresses* lb_addrs = BuildLbAddrInputs({ |
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auto lb_addrs = BuildLbAddrInputs({ |
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{"[3ffe::1231]:443", AF_INET6}, |
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{"[3ffe::1232]:443", AF_INET6}, |
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{"[3ffe::1233]:443", AF_INET6}, |
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{"[3ffe::1234]:443", AF_INET6}, |
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{"[3ffe::1235]:443", AF_INET6}, |
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}); |
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grpc_cares_wrapper_address_sorting_sort(lb_addrs); |
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grpc_cares_wrapper_address_sorting_sort(&lb_addrs); |
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VerifyLbAddrOutputs(lb_addrs, { |
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"[3ffe::1231]:443", |
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"[3ffe::1232]:443", |
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@ -695,14 +692,14 @@ TEST_F(AddressSortingTest, TestStableSortNoSrcAddrsExist) { |
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bool ipv4_supported = true; |
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bool ipv6_supported = true; |
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OverrideAddressSortingSourceAddrFactory(ipv4_supported, ipv6_supported, {}); |
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grpc_lb_addresses* lb_addrs = BuildLbAddrInputs({ |
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auto lb_addrs = BuildLbAddrInputs({ |
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{"[3ffe::1231]:443", AF_INET6}, |
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{"[3ffe::1232]:443", AF_INET6}, |
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{"[3ffe::1233]:443", AF_INET6}, |
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{"[3ffe::1234]:443", AF_INET6}, |
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{"[3ffe::1235]:443", AF_INET6}, |
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}); |
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grpc_cares_wrapper_address_sorting_sort(lb_addrs); |
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grpc_cares_wrapper_address_sorting_sort(&lb_addrs); |
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VerifyLbAddrOutputs(lb_addrs, { |
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"[3ffe::1231]:443", |
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"[3ffe::1232]:443", |
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@ -716,11 +713,11 @@ TEST_F(AddressSortingTest, TestStableSortNoSrcAddrsExistWithIpv4) { |
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bool ipv4_supported = true; |
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bool ipv6_supported = true; |
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OverrideAddressSortingSourceAddrFactory(ipv4_supported, ipv6_supported, {}); |
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grpc_lb_addresses* lb_addrs = BuildLbAddrInputs({ |
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auto lb_addrs = BuildLbAddrInputs({ |
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{"[::ffff:5.6.7.8]:443", AF_INET6}, |
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{"1.2.3.4:443", AF_INET}, |
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}); |
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grpc_cares_wrapper_address_sorting_sort(lb_addrs); |
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grpc_cares_wrapper_address_sorting_sort(&lb_addrs); |
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VerifyLbAddrOutputs(lb_addrs, { |
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"[::ffff:5.6.7.8]:443", |
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"1.2.3.4:443", |
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@ -744,11 +741,11 @@ TEST_F(AddressSortingTest, TestStableSortV4CompatAndSiteLocalAddresses) { |
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{"[fec0::2000]:443", {"[fec0::2001]:0", AF_INET6}}, |
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{v4_compat_dest, {v4_compat_src, AF_INET6}}, |
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}); |
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grpc_lb_addresses* lb_addrs = BuildLbAddrInputs({ |
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auto lb_addrs = BuildLbAddrInputs({ |
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{"[fec0::2000]:443", AF_INET6}, |
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{v4_compat_dest, AF_INET6}, |
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}); |
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grpc_cares_wrapper_address_sorting_sort(lb_addrs); |
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grpc_cares_wrapper_address_sorting_sort(&lb_addrs); |
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VerifyLbAddrOutputs(lb_addrs, |
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{ |
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// The sort should be stable since
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@ -765,11 +762,11 @@ TEST_F(AddressSortingTest, TestStableSortV4CompatAndSiteLocalAddresses) { |
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* (whether ipv4 loopback is available or not, an available ipv6 |
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* loopback should be preferred). */ |
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TEST_F(AddressSortingTest, TestPrefersIpv6Loopback) { |
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grpc_lb_addresses* lb_addrs = BuildLbAddrInputs({ |
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auto lb_addrs = BuildLbAddrInputs({ |
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{"[::1]:443", AF_INET6}, |
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{"127.0.0.1:443", AF_INET}, |
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}); |
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grpc_cares_wrapper_address_sorting_sort(lb_addrs); |
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grpc_cares_wrapper_address_sorting_sort(&lb_addrs); |
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VerifyLbAddrOutputs(lb_addrs, { |
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"[::1]:443", |
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"127.0.0.1:443", |
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@ -779,11 +776,11 @@ TEST_F(AddressSortingTest, TestPrefersIpv6Loopback) { |
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/* Flip the order of the inputs above and expect the same output order
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* (try to rule out influence of arbitrary qsort ordering) */ |
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TEST_F(AddressSortingTest, TestPrefersIpv6LoopbackInputsFlipped) { |
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grpc_lb_addresses* lb_addrs = BuildLbAddrInputs({ |
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auto lb_addrs = BuildLbAddrInputs({ |
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{"127.0.0.1:443", AF_INET}, |
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{"[::1]:443", AF_INET6}, |
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}); |
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grpc_cares_wrapper_address_sorting_sort(lb_addrs); |
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grpc_cares_wrapper_address_sorting_sort(&lb_addrs); |
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VerifyLbAddrOutputs(lb_addrs, { |
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"[::1]:443", |
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"127.0.0.1:443", |
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Muxi Yan
6 years ago