diff options
Diffstat (limited to 'test/cpp/naming/resolver_component_test.cc')
| -rw-r--r-- | test/cpp/naming/resolver_component_test.cc | 72 |
1 files changed, 69 insertions, 3 deletions
diff --git a/test/cpp/naming/resolver_component_test.cc b/test/cpp/naming/resolver_component_test.cc index 6ac548120c..3dc6e7178c 100644 --- a/test/cpp/naming/resolver_component_test.cc +++ b/test/cpp/naming/resolver_component_test.cc @@ -16,6 +16,8 @@ * */ +#include <grpc/support/port_platform.h> + #include <grpc/grpc.h> #include <grpc/support/alloc.h> #include <grpc/support/log.h> @@ -55,8 +57,15 @@ // TODO: pull in different headers when enabling this // test on windows. Also set BAD_SOCKET_RETURN_VAL // to INVALID_SOCKET on windows. +#ifdef GPR_WINDOWS +#include "src/core/lib/iomgr/sockaddr_windows.h" +#include "src/core/lib/iomgr/socket_windows.h" +#include "src/core/lib/iomgr/tcp_windows.h" +#define BAD_SOCKET_RETURN_VAL INVALID_SOCKET +#else #include "src/core/lib/iomgr/sockaddr_posix.h" #define BAD_SOCKET_RETURN_VAL -1 +#endif using grpc::SubProcess; using std::vector; @@ -241,6 +250,62 @@ void CheckLBPolicyResultLocked(grpc_channel_args* channel_args, } } +#ifdef GPR_WINDOWS +void OpenAndCloseSocketsStressLoop(int dummy_port, gpr_event* done_ev) { + sockaddr_in6 addr; + memset(&addr, 0, sizeof(addr)); + addr.sin6_family = AF_INET6; + addr.sin6_port = htons(dummy_port); + ((char*)&addr.sin6_addr)[15] = 1; + for (;;) { + if (gpr_event_get(done_ev)) { + return; + } + std::vector<int> sockets; + for (size_t i = 0; i < 50; i++) { + SOCKET s = WSASocket(AF_INET6, SOCK_STREAM, IPPROTO_TCP, nullptr, 0, + WSA_FLAG_OVERLAPPED); + ASSERT_TRUE(s != BAD_SOCKET_RETURN_VAL) + << "Failed to create TCP ipv6 socket"; + gpr_log(GPR_DEBUG, "Opened socket: %d", s); + char val = 1; + ASSERT_TRUE(setsockopt(s, SOL_SOCKET, SO_REUSEADDR, &val, sizeof(val)) != + SOCKET_ERROR) + << "Failed to set socketopt reuseaddr. WSA error: " + + std::to_string(WSAGetLastError()); + ASSERT_TRUE(grpc_tcp_set_non_block(s) == GRPC_ERROR_NONE) + << "Failed to set socket non-blocking"; + ASSERT_TRUE(bind(s, (const sockaddr*)&addr, sizeof(addr)) != SOCKET_ERROR) + << "Failed to bind socket " + std::to_string(s) + + " to [::1]:" + std::to_string(dummy_port) + + ". WSA error: " + std::to_string(WSAGetLastError()); + ASSERT_TRUE(listen(s, 1) != SOCKET_ERROR) + << "Failed to listen on socket " + std::to_string(s) + + ". WSA error: " + std::to_string(WSAGetLastError()); + sockets.push_back(s); + } + // Do a non-blocking accept followed by a close on all of those sockets. + // Do this in a separate loop to try to induce a time window to hit races. + for (size_t i = 0; i < sockets.size(); i++) { + gpr_log(GPR_DEBUG, "non-blocking accept then close on %d", sockets[i]); + ASSERT_TRUE(accept(sockets[i], nullptr, nullptr) == INVALID_SOCKET) + << "Accept on dummy socket unexpectedly accepted actual connection."; + ASSERT_TRUE(WSAGetLastError() == WSAEWOULDBLOCK) + << "OpenAndCloseSocketsStressLoop accept on socket " + + std::to_string(sockets[i]) + + " failed in " + "an unexpected way. " + "WSA error: " + + std::to_string(WSAGetLastError()) + + ". Socket use-after-close bugs are likely."; + ASSERT_TRUE(closesocket(sockets[i]) != SOCKET_ERROR) + << "Failed to close socket: " + std::to_string(sockets[i]) + + ". WSA error: " + std::to_string(WSAGetLastError()); + } + } + return; +} +#else void OpenAndCloseSocketsStressLoop(int dummy_port, gpr_event* done_ev) { // The goal of this loop is to catch socket // "use after close" bugs within the c-ares resolver by acting @@ -311,6 +376,7 @@ void OpenAndCloseSocketsStressLoop(int dummy_port, gpr_event* done_ev) { } } } +#endif void CheckResolverResultLocked(void* argsp, grpc_error* err) { EXPECT_EQ(err, GRPC_ERROR_NONE); @@ -372,9 +438,9 @@ void RunResolvesRelevantRecordsTest(void (*OnDoneLocked)(void* arg, args.expected_lb_policy = FLAGS_expected_lb_policy; // maybe build the address with an authority char* whole_uri = nullptr; - GPR_ASSERT(asprintf(&whole_uri, "dns://%s/%s", - FLAGS_local_dns_server_address.c_str(), - FLAGS_target_name.c_str())); + GPR_ASSERT(gpr_asprintf(&whole_uri, "dns://%s/%s", + FLAGS_local_dns_server_address.c_str(), + FLAGS_target_name.c_str())); // create resolver and resolve grpc_core::OrphanablePtr<grpc_core::Resolver> resolver = grpc_core::ResolverRegistry::CreateResolver(whole_uri, nullptr, |