| /* |
| * |
| * 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 <string.h> |
| |
| #include <grpc/grpc.h> |
| #include <grpc/support/alloc.h> |
| #include <grpc/support/log.h> |
| #include "src/core/lib/channel/channel_stack.h" |
| #include "src/core/lib/iomgr/closure.h" |
| #include "src/core/lib/surface/channel.h" |
| #include "src/core/lib/transport/transport.h" |
| #include "test/core/end2end/cq_verifier.h" |
| #include "test/core/util/test_config.h" |
| |
| grpc_closure transport_op_cb; |
| |
| static void* tag(intptr_t x) { return (void*)x; } |
| |
| void verify_connectivity(void* arg, grpc_error* error) { |
| grpc_connectivity_state* state = static_cast<grpc_connectivity_state*>(arg); |
| GPR_ASSERT(GRPC_CHANNEL_SHUTDOWN == *state); |
| GPR_ASSERT(error == GRPC_ERROR_NONE); |
| } |
| |
| void do_nothing(void* arg, grpc_error* error) {} |
| |
| void test_transport_op(grpc_channel* channel) { |
| grpc_transport_op* op; |
| grpc_channel_element* elem; |
| grpc_connectivity_state state = GRPC_CHANNEL_IDLE; |
| grpc_core::ExecCtx exec_ctx; |
| |
| GRPC_CLOSURE_INIT(&transport_op_cb, verify_connectivity, &state, |
| grpc_schedule_on_exec_ctx); |
| |
| op = grpc_make_transport_op(nullptr); |
| op->on_connectivity_state_change = &transport_op_cb; |
| op->connectivity_state = &state; |
| elem = grpc_channel_stack_element(grpc_channel_get_channel_stack(channel), 0); |
| elem->filter->start_transport_op(elem, op); |
| |
| GRPC_CLOSURE_INIT(&transport_op_cb, do_nothing, nullptr, |
| grpc_schedule_on_exec_ctx); |
| op = grpc_make_transport_op(&transport_op_cb); |
| elem->filter->start_transport_op(elem, op); |
| } |
| |
| int main(int argc, char** argv) { |
| grpc_channel* chan; |
| grpc_call* call; |
| grpc_completion_queue* cq; |
| cq_verifier* cqv; |
| grpc_op ops[6]; |
| grpc_op* op; |
| grpc_metadata_array initial_metadata_recv; |
| grpc_metadata_array trailing_metadata_recv; |
| grpc_status_code status; |
| grpc_call_error error; |
| grpc_slice details; |
| char* peer; |
| |
| grpc::testing::TestEnvironment env(argc, argv); |
| grpc_init(); |
| |
| grpc_metadata_array_init(&initial_metadata_recv); |
| grpc_metadata_array_init(&trailing_metadata_recv); |
| |
| chan = grpc_lame_client_channel_create( |
| "lampoon:national", GRPC_STATUS_UNKNOWN, "Rpc sent on a lame channel."); |
| GPR_ASSERT(chan); |
| |
| test_transport_op(chan); |
| |
| GPR_ASSERT(GRPC_CHANNEL_SHUTDOWN == |
| grpc_channel_check_connectivity_state(chan, 0)); |
| |
| cq = grpc_completion_queue_create_for_next(nullptr); |
| |
| grpc_slice host = grpc_slice_from_static_string("anywhere"); |
| call = |
| grpc_channel_create_call(chan, nullptr, GRPC_PROPAGATE_DEFAULTS, cq, |
| grpc_slice_from_static_string("/Foo"), &host, |
| grpc_timeout_seconds_to_deadline(100), nullptr); |
| GPR_ASSERT(call); |
| cqv = cq_verifier_create(cq); |
| |
| 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->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++; |
| error = grpc_call_start_batch(call, ops, static_cast<size_t>(op - ops), |
| tag(1), nullptr); |
| GPR_ASSERT(GRPC_CALL_OK == error); |
| |
| /* the call should immediately fail */ |
| CQ_EXPECT_COMPLETION(cqv, tag(1), 0); |
| cq_verify(cqv); |
| |
| memset(ops, 0, sizeof(ops)); |
| op = ops; |
| 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(call, ops, static_cast<size_t>(op - ops), |
| tag(2), nullptr); |
| GPR_ASSERT(GRPC_CALL_OK == error); |
| |
| /* the call should immediately fail */ |
| CQ_EXPECT_COMPLETION(cqv, tag(2), 1); |
| cq_verify(cqv); |
| |
| peer = grpc_call_get_peer(call); |
| GPR_ASSERT(strcmp(peer, "lampoon:national") == 0); |
| gpr_free(peer); |
| |
| grpc_call_unref(call); |
| grpc_channel_destroy(chan); |
| cq_verifier_destroy(cqv); |
| grpc_completion_queue_destroy(cq); |
| |
| grpc_metadata_array_destroy(&initial_metadata_recv); |
| grpc_metadata_array_destroy(&trailing_metadata_recv); |
| grpc_slice_unref(details); |
| |
| grpc_shutdown(); |
| |
| return 0; |
| } |