1 /* 2 * 3 * Copyright 2015 gRPC authors. 4 * 5 * Licensed under the Apache License, Version 2.0 (the "License"); 6 * you may not use this file except in compliance with the License. 7 * You may obtain a copy of the License at 8 * 9 * http://www.apache.org/licenses/LICENSE-2.0 10 * 11 * Unless required by applicable law or agreed to in writing, software 12 * distributed under the License is distributed on an "AS IS" BASIS, 13 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. 14 * See the License for the specific language governing permissions and 15 * limitations under the License. 16 * 17 */ 18 19 #include <string.h> 20 21 #include <grpc/grpc.h> 22 #include <grpc/support/alloc.h> 23 #include <grpc/support/log.h> 24 25 #include "src/core/ext/filters/client_channel/resolver/fake/fake_resolver.h" 26 #include "test/core/end2end/cq_verifier.h" 27 #include "test/core/util/test_config.h" 28 29 static void* tag(intptr_t i) { return (void*)i; } 30 31 void run_test(bool wait_for_ready) { 32 gpr_log(GPR_INFO, "TEST: wait_for_ready=%d", wait_for_ready); 33 34 grpc_init(); 35 36 grpc_completion_queue* cq = grpc_completion_queue_create_for_next(nullptr); 37 cq_verifier* cqv = cq_verifier_create(cq); 38 39 grpc_core::RefCountedPtr<grpc_core::FakeResolverResponseGenerator> 40 response_generator = 41 grpc_core::MakeRefCounted<grpc_core::FakeResolverResponseGenerator>(); 42 grpc_arg arg = grpc_core::FakeResolverResponseGenerator::MakeChannelArg( 43 response_generator.get()); 44 grpc_channel_args args = {1, &arg}; 45 46 /* create a call, channel to a non existant server */ 47 grpc_channel* chan = 48 grpc_insecure_channel_create("fake:nonexistant", &args, nullptr); 49 gpr_timespec deadline = grpc_timeout_seconds_to_deadline(2); 50 grpc_call* call = grpc_channel_create_call( 51 chan, nullptr, GRPC_PROPAGATE_DEFAULTS, cq, 52 grpc_slice_from_static_string("/Foo"), nullptr, deadline, nullptr); 53 54 grpc_op ops[6]; 55 memset(ops, 0, sizeof(ops)); 56 grpc_op* op = ops; 57 op->op = GRPC_OP_SEND_INITIAL_METADATA; 58 op->data.send_initial_metadata.count = 0; 59 op->flags = wait_for_ready ? GRPC_INITIAL_METADATA_WAIT_FOR_READY : 0; 60 op->reserved = nullptr; 61 op++; 62 grpc_metadata_array trailing_metadata_recv; 63 grpc_metadata_array_init(&trailing_metadata_recv); 64 grpc_status_code status; 65 grpc_slice details; 66 op->op = GRPC_OP_RECV_STATUS_ON_CLIENT; 67 op->data.recv_status_on_client.trailing_metadata = &trailing_metadata_recv; 68 op->data.recv_status_on_client.status = &status; 69 op->data.recv_status_on_client.status_details = &details; 70 op->flags = 0; 71 op->reserved = nullptr; 72 op++; 73 GPR_ASSERT(GRPC_CALL_OK == grpc_call_start_batch(call, ops, 74 (size_t)(op - ops), tag(1), 75 nullptr)); 76 77 { 78 grpc_core::ExecCtx exec_ctx; 79 response_generator->SetFailure(); 80 } 81 82 /* verify that all tags get completed */ 83 CQ_EXPECT_COMPLETION(cqv, tag(1), 1); 84 cq_verify(cqv); 85 86 gpr_log(GPR_INFO, "call status: %d", status); 87 if (wait_for_ready) { 88 GPR_ASSERT(status == GRPC_STATUS_DEADLINE_EXCEEDED); 89 } else { 90 GPR_ASSERT(status == GRPC_STATUS_UNAVAILABLE); 91 } 92 93 grpc_slice_unref(details); 94 grpc_metadata_array_destroy(&trailing_metadata_recv); 95 96 grpc_completion_queue_shutdown(cq); 97 while (grpc_completion_queue_next(cq, gpr_inf_future(GPR_CLOCK_REALTIME), 98 nullptr) 99 .type != GRPC_QUEUE_SHUTDOWN) 100 ; 101 grpc_completion_queue_destroy(cq); 102 grpc_call_unref(call); 103 grpc_channel_destroy(chan); 104 cq_verifier_destroy(cqv); 105 106 grpc_shutdown(); 107 } 108 109 int main(int argc, char** argv) { 110 grpc_test_init(argc, argv); 111 run_test(true /* wait_for_ready */); 112 run_test(false /* wait_for_ready */); 113 return 0; 114 } 115
