| /* |
| * |
| * Copyright 2015 gRPC authors. |
| * |
| * Licensed under the Apache License, Version 2.0 (the "License"); |
| * you may not use this file except in compliance with the License. |
| * You may obtain a copy of the License at |
| * |
| * http://www.apache.org/licenses/LICENSE-2.0 |
| * |
| * Unless required by applicable law or agreed to in writing, software |
| * distributed under the License is distributed on an "AS IS" BASIS, |
| * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. |
| * See the License for the specific language governing permissions and |
| * limitations under the License. |
| * |
| */ |
| |
| #include "src/core/lib/iomgr/port.h" |
| |
| // This test won't work except with posix sockets enabled |
| #ifdef GRPC_POSIX_SOCKET |
| |
| #include <string.h> |
| |
| #include <grpc/grpc.h> |
| #include <grpc/support/alloc.h> |
| #include <grpc/support/host_port.h> |
| #include <grpc/support/log.h> |
| #include <grpc/support/string_util.h> |
| |
| #include "src/core/lib/iomgr/error.h" |
| #include "src/core/lib/iomgr/resolve_address.h" |
| #include "src/core/lib/iomgr/sockaddr_utils.h" |
| #include "src/core/lib/iomgr/socket_utils_posix.h" |
| #include "src/core/lib/slice/slice_string_helpers.h" |
| #include "src/core/lib/support/string.h" |
| #include "test/core/end2end/cq_verifier.h" |
| #include "test/core/util/port.h" |
| #include "test/core/util/test_config.h" |
| |
| /* This test exercises IPv4, IPv6, and dualstack sockets in various ways. */ |
| |
| static void* tag(intptr_t i) { return (void*)i; } |
| |
| static gpr_timespec ms_from_now(int ms) { |
| return grpc_timeout_milliseconds_to_deadline(ms); |
| } |
| |
| static void drain_cq(grpc_completion_queue* cq) { |
| grpc_event ev; |
| do { |
| ev = grpc_completion_queue_next(cq, ms_from_now(5000), nullptr); |
| } while (ev.type != GRPC_QUEUE_SHUTDOWN); |
| } |
| |
| static void do_nothing(void* ignored) {} |
| |
| static void log_resolved_addrs(const char* label, const char* hostname) { |
| grpc_resolved_addresses* res = nullptr; |
| grpc_error* error = grpc_blocking_resolve_address(hostname, "80", &res); |
| if (error != GRPC_ERROR_NONE || res == nullptr) { |
| GRPC_LOG_IF_ERROR(hostname, error); |
| return; |
| } |
| for (size_t i = 0; i < res->naddrs; ++i) { |
| char* addr_str = grpc_sockaddr_to_uri(&res->addrs[i]); |
| gpr_log(GPR_INFO, "%s: %s", label, addr_str); |
| gpr_free(addr_str); |
| } |
| grpc_resolved_addresses_destroy(res); |
| } |
| |
| void test_connect(const char* server_host, const char* client_host, int port, |
| int expect_ok) { |
| char* client_hostport; |
| char* server_hostport; |
| grpc_channel* client; |
| grpc_server* server; |
| grpc_completion_queue* cq; |
| grpc_completion_queue* shutdown_cq; |
| grpc_call* c; |
| grpc_call* s; |
| cq_verifier* cqv; |
| gpr_timespec deadline; |
| int got_port; |
| grpc_op ops[6]; |
| grpc_op* op; |
| grpc_metadata_array initial_metadata_recv; |
| grpc_metadata_array trailing_metadata_recv; |
| grpc_metadata_array request_metadata_recv; |
| grpc_status_code status; |
| grpc_call_error error; |
| grpc_slice details; |
| int was_cancelled = 2; |
| grpc_call_details call_details; |
| char* peer; |
| int picked_port = 0; |
| |
| if (port == 0) { |
| port = grpc_pick_unused_port_or_die(); |
| picked_port = 1; |
| } |
| |
| gpr_join_host_port(&server_hostport, server_host, port); |
| |
| grpc_metadata_array_init(&initial_metadata_recv); |
| grpc_metadata_array_init(&trailing_metadata_recv); |
| grpc_metadata_array_init(&request_metadata_recv); |
| grpc_call_details_init(&call_details); |
| |
| /* Create server. */ |
| cq = grpc_completion_queue_create_for_next(nullptr); |
| server = grpc_server_create(nullptr, nullptr); |
| grpc_server_register_completion_queue(server, cq, nullptr); |
| GPR_ASSERT((got_port = grpc_server_add_insecure_http2_port( |
| server, server_hostport)) > 0); |
| if (port == 0) { |
| port = got_port; |
| } else { |
| GPR_ASSERT(port == got_port); |
| } |
| grpc_server_start(server); |
| cqv = cq_verifier_create(cq); |
| |
| /* Create client. */ |
| if (client_host[0] == 'i') { |
| /* for ipv4:/ipv6: addresses, concatenate the port to each of the parts */ |
| size_t i; |
| grpc_slice uri_slice; |
| grpc_slice_buffer uri_parts; |
| char** hosts_with_port; |
| |
| uri_slice = |
| grpc_slice_new((char*)client_host, strlen(client_host), do_nothing); |
| grpc_slice_buffer_init(&uri_parts); |
| grpc_slice_split(uri_slice, ",", &uri_parts); |
| hosts_with_port = |
| static_cast<char**>(gpr_malloc(sizeof(char*) * uri_parts.count)); |
| for (i = 0; i < uri_parts.count; i++) { |
| char* uri_part_str = grpc_slice_to_c_string(uri_parts.slices[i]); |
| gpr_asprintf(&hosts_with_port[i], "%s:%d", uri_part_str, port); |
| gpr_free(uri_part_str); |
| } |
| client_hostport = gpr_strjoin_sep((const char**)hosts_with_port, |
| uri_parts.count, ",", nullptr); |
| for (i = 0; i < uri_parts.count; i++) { |
| gpr_free(hosts_with_port[i]); |
| } |
| gpr_free(hosts_with_port); |
| grpc_slice_buffer_destroy(&uri_parts); |
| grpc_slice_unref(uri_slice); |
| } else { |
| gpr_join_host_port(&client_hostport, client_host, port); |
| } |
| client = grpc_insecure_channel_create(client_hostport, nullptr, nullptr); |
| |
| gpr_log(GPR_INFO, "Testing with server=%s client=%s (expecting %s)", |
| server_hostport, client_hostport, expect_ok ? "success" : "failure"); |
| log_resolved_addrs("server resolved addr", server_host); |
| log_resolved_addrs("client resolved addr", client_host); |
| |
| gpr_free(client_hostport); |
| gpr_free(server_hostport); |
| |
| if (expect_ok) { |
| /* Normal deadline, shouldn't be reached. */ |
| deadline = ms_from_now(60000); |
| } else { |
| /* Give up faster when failure is expected. |
| BUG: Setting this to 1000 reveals a memory leak (b/18608927). */ |
| deadline = ms_from_now(1500); |
| } |
| |
| /* Send a trivial request. */ |
| grpc_slice host = grpc_slice_from_static_string("foo.test.google.fr"); |
| c = grpc_channel_create_call(client, nullptr, GRPC_PROPAGATE_DEFAULTS, cq, |
| grpc_slice_from_static_string("/foo"), &host, |
| deadline, nullptr); |
| GPR_ASSERT(c); |
| |
| memset(ops, 0, sizeof(ops)); |
| op = ops; |
| op->op = GRPC_OP_SEND_INITIAL_METADATA; |
| op->data.send_initial_metadata.count = 0; |
| op->flags = expect_ok ? GRPC_INITIAL_METADATA_WAIT_FOR_READY : 0; |
| op->reserved = nullptr; |
| op++; |
| op->op = GRPC_OP_SEND_CLOSE_FROM_CLIENT; |
| op->flags = 0; |
| op->reserved = nullptr; |
| op++; |
| op->op = GRPC_OP_RECV_INITIAL_METADATA; |
| op->data.recv_initial_metadata.recv_initial_metadata = &initial_metadata_recv; |
| op->flags = 0; |
| op->reserved = nullptr; |
| op++; |
| op->op = GRPC_OP_RECV_STATUS_ON_CLIENT; |
| op->data.recv_status_on_client.trailing_metadata = &trailing_metadata_recv; |
| op->data.recv_status_on_client.status = &status; |
| op->data.recv_status_on_client.status_details = &details; |
| op->flags = 0; |
| op->reserved = nullptr; |
| op++; |
| error = grpc_call_start_batch(c, ops, (size_t)(op - ops), tag(1), nullptr); |
| GPR_ASSERT(GRPC_CALL_OK == error); |
| |
| if (expect_ok) { |
| /* Check for a successful request. */ |
| error = grpc_server_request_call(server, &s, &call_details, |
| &request_metadata_recv, cq, cq, tag(101)); |
| GPR_ASSERT(GRPC_CALL_OK == error); |
| CQ_EXPECT_COMPLETION(cqv, tag(101), 1); |
| cq_verify(cqv); |
| |
| memset(ops, 0, sizeof(ops)); |
| op = ops; |
| op->op = GRPC_OP_SEND_INITIAL_METADATA; |
| op->data.send_initial_metadata.count = 0; |
| op->flags = 0; |
| op++; |
| op->op = GRPC_OP_SEND_STATUS_FROM_SERVER; |
| op->data.send_status_from_server.trailing_metadata_count = 0; |
| op->data.send_status_from_server.status = GRPC_STATUS_UNIMPLEMENTED; |
| grpc_slice status_details = grpc_slice_from_static_string("xyz"); |
| op->data.send_status_from_server.status_details = &status_details; |
| op->flags = 0; |
| op++; |
| op->op = GRPC_OP_RECV_CLOSE_ON_SERVER; |
| op->data.recv_close_on_server.cancelled = &was_cancelled; |
| op->flags = 0; |
| op++; |
| error = |
| grpc_call_start_batch(s, ops, (size_t)(op - ops), tag(102), nullptr); |
| GPR_ASSERT(GRPC_CALL_OK == error); |
| |
| CQ_EXPECT_COMPLETION(cqv, tag(102), 1); |
| CQ_EXPECT_COMPLETION(cqv, tag(1), 1); |
| cq_verify(cqv); |
| |
| peer = grpc_call_get_peer(c); |
| gpr_log(GPR_DEBUG, "got peer: '%s'", peer); |
| gpr_free(peer); |
| |
| GPR_ASSERT(status == GRPC_STATUS_UNIMPLEMENTED); |
| GPR_ASSERT(0 == grpc_slice_str_cmp(details, "xyz")); |
| GPR_ASSERT(0 == grpc_slice_str_cmp(call_details.method, "/foo")); |
| GPR_ASSERT(0 == |
| grpc_slice_str_cmp(call_details.host, "foo.test.google.fr")); |
| GPR_ASSERT(was_cancelled == 1); |
| |
| grpc_call_unref(s); |
| } else { |
| /* Check for a failed connection. */ |
| CQ_EXPECT_COMPLETION(cqv, tag(1), 1); |
| cq_verify(cqv); |
| |
| gpr_log(GPR_INFO, "status: %d (expected: %d)", status, |
| GRPC_STATUS_UNAVAILABLE); |
| GPR_ASSERT(status == GRPC_STATUS_UNAVAILABLE); |
| } |
| |
| grpc_call_unref(c); |
| |
| cq_verifier_destroy(cqv); |
| |
| /* Destroy client. */ |
| grpc_channel_destroy(client); |
| |
| /* Destroy server. */ |
| shutdown_cq = grpc_completion_queue_create_for_pluck(nullptr); |
| grpc_server_shutdown_and_notify(server, shutdown_cq, tag(1000)); |
| GPR_ASSERT(grpc_completion_queue_pluck(shutdown_cq, tag(1000), |
| grpc_timeout_seconds_to_deadline(5), |
| nullptr) |
| .type == GRPC_OP_COMPLETE); |
| grpc_server_destroy(server); |
| grpc_completion_queue_destroy(shutdown_cq); |
| grpc_completion_queue_shutdown(cq); |
| drain_cq(cq); |
| grpc_completion_queue_destroy(cq); |
| |
| grpc_metadata_array_destroy(&initial_metadata_recv); |
| grpc_metadata_array_destroy(&trailing_metadata_recv); |
| grpc_metadata_array_destroy(&request_metadata_recv); |
| |
| grpc_call_details_destroy(&call_details); |
| grpc_slice_unref(details); |
| if (picked_port) { |
| grpc_recycle_unused_port(port); |
| } |
| } |
| |
| int external_dns_works(const char* host) { |
| grpc_resolved_addresses* res = nullptr; |
| grpc_error* error = grpc_blocking_resolve_address(host, "80", &res); |
| GRPC_ERROR_UNREF(error); |
| if (res != nullptr) { |
| grpc_resolved_addresses_destroy(res); |
| return 1; |
| } |
| return 0; |
| } |
| |
| int main(int argc, char** argv) { |
| int do_ipv6 = 1; |
| |
| grpc_test_init(argc, argv); |
| grpc_init(); |
| |
| if (!grpc_ipv6_loopback_available()) { |
| gpr_log(GPR_INFO, "Can't bind to ::1. Skipping IPv6 tests."); |
| do_ipv6 = 0; |
| } |
| |
| /* For coverage, test with and without dualstack sockets. */ |
| for (grpc_forbid_dualstack_sockets_for_testing = 0; |
| grpc_forbid_dualstack_sockets_for_testing <= 1; |
| grpc_forbid_dualstack_sockets_for_testing++) { |
| /* :: and 0.0.0.0 are handled identically. */ |
| test_connect("::", "127.0.0.1", 0, 1); |
| test_connect("::", "::ffff:127.0.0.1", 0, 1); |
| test_connect("::", "ipv4:127.0.0.1", 0, 1); |
| test_connect("::", "ipv6:[::ffff:127.0.0.1]", 0, 1); |
| test_connect("::", "localhost", 0, 1); |
| test_connect("0.0.0.0", "127.0.0.1", 0, 1); |
| test_connect("0.0.0.0", "::ffff:127.0.0.1", 0, 1); |
| test_connect("0.0.0.0", "ipv4:127.0.0.1", 0, 1); |
| test_connect("0.0.0.0", "ipv4:127.0.0.1,127.0.0.2,127.0.0.3", 0, 1); |
| test_connect("0.0.0.0", "ipv6:[::ffff:127.0.0.1],[::ffff:127.0.0.2]", 0, 1); |
| test_connect("0.0.0.0", "localhost", 0, 1); |
| if (do_ipv6) { |
| test_connect("::", "::1", 0, 1); |
| test_connect("0.0.0.0", "::1", 0, 1); |
| test_connect("::", "ipv6:[::1]", 0, 1); |
| test_connect("0.0.0.0", "ipv6:[::1]", 0, 1); |
| } |
| |
| /* These only work when the families agree. */ |
| test_connect("127.0.0.1", "127.0.0.1", 0, 1); |
| test_connect("127.0.0.1", "ipv4:127.0.0.1", 0, 1); |
| if (do_ipv6) { |
| test_connect("::1", "::1", 0, 1); |
| test_connect("::1", "127.0.0.1", 0, 0); |
| test_connect("127.0.0.1", "::1", 0, 0); |
| test_connect("::1", "ipv6:[::1]", 0, 1); |
| test_connect("::1", "ipv4:127.0.0.1", 0, 0); |
| test_connect("127.0.0.1", "ipv6:[::1]", 0, 0); |
| } |
| |
| if (!external_dns_works("loopback46.unittest.grpc.io")) { |
| gpr_log(GPR_INFO, "Skipping tests that depend on *.unittest.grpc.io."); |
| } else { |
| test_connect("loopback46.unittest.grpc.io", "loopback4.unittest.grpc.io", |
| 0, 1); |
| test_connect("loopback4.unittest.grpc.io", "loopback46.unittest.grpc.io", |
| 0, 1); |
| if (do_ipv6) { |
| test_connect("loopback46.unittest.grpc.io", |
| "loopback6.unittest.grpc.io", 0, 1); |
| test_connect("loopback6.unittest.grpc.io", |
| "loopback46.unittest.grpc.io", 0, 1); |
| test_connect("loopback4.unittest.grpc.io", "loopback6.unittest.grpc.io", |
| 0, 0); |
| test_connect("loopback6.unittest.grpc.io", "loopback4.unittest.grpc.io", |
| 0, 0); |
| } |
| } |
| } |
| |
| grpc_shutdown(); |
| |
| return 0; |
| } |
| |
| #else /* GRPC_POSIX_SOCKET */ |
| |
| int main(int argc, char** argv) { return 1; } |
| |
| #endif /* GRPC_POSIX_SOCKET */ |