| /* |
| * |
| * Copyright 2018 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" |
| |
| #include "src/core/lib/iomgr/buffer_list.h" |
| |
| #include <grpc/grpc.h> |
| |
| #include "test/core/util/test_config.h" |
| |
| #ifdef GRPC_LINUX_ERRQUEUE |
| |
| static void TestShutdownFlushesListVerifier(void* arg, |
| grpc_core::Timestamps* ts, |
| grpc_error* error) { |
| GPR_ASSERT(error == GRPC_ERROR_NONE); |
| GPR_ASSERT(arg != nullptr); |
| gpr_atm* done = reinterpret_cast<gpr_atm*>(arg); |
| gpr_atm_rel_store(done, static_cast<gpr_atm>(1)); |
| } |
| |
| /** Tests that all TracedBuffer elements in the list are flushed out on |
| * shutdown. |
| * Also tests that arg is passed correctly. |
| */ |
| static void TestShutdownFlushesList() { |
| grpc_core::grpc_tcp_set_write_timestamps_callback( |
| TestShutdownFlushesListVerifier); |
| grpc_core::TracedBuffer* list = nullptr; |
| #define NUM_ELEM 5 |
| gpr_atm verifier_called[NUM_ELEM]; |
| for (auto i = 0; i < NUM_ELEM; i++) { |
| gpr_atm_rel_store(&verifier_called[i], static_cast<gpr_atm>(0)); |
| grpc_core::TracedBuffer::AddNewEntry( |
| &list, i, 0, static_cast<void*>(&verifier_called[i])); |
| } |
| grpc_core::TracedBuffer::Shutdown(&list, nullptr, GRPC_ERROR_NONE); |
| GPR_ASSERT(list == nullptr); |
| for (auto i = 0; i < NUM_ELEM; i++) { |
| GPR_ASSERT(gpr_atm_acq_load(&verifier_called[i]) == |
| static_cast<gpr_atm>(1)); |
| } |
| } |
| |
| static void TestVerifierCalledOnAckVerifier(void* arg, |
| grpc_core::Timestamps* ts, |
| grpc_error* error) { |
| GPR_ASSERT(error == GRPC_ERROR_NONE); |
| GPR_ASSERT(arg != nullptr); |
| GPR_ASSERT(ts->acked_time.time.clock_type == GPR_CLOCK_REALTIME); |
| GPR_ASSERT(ts->acked_time.time.tv_sec == 123); |
| GPR_ASSERT(ts->acked_time.time.tv_nsec == 456); |
| GPR_ASSERT(ts->info.length > 0); |
| gpr_atm* done = reinterpret_cast<gpr_atm*>(arg); |
| gpr_atm_rel_store(done, static_cast<gpr_atm>(1)); |
| } |
| |
| /** Tests that the timestamp verifier is called on an ACK timestamp. |
| */ |
| static void TestVerifierCalledOnAck() { |
| struct sock_extended_err serr; |
| serr.ee_data = 213; |
| serr.ee_info = grpc_core::SCM_TSTAMP_ACK; |
| struct grpc_core::scm_timestamping tss; |
| tss.ts[0].tv_sec = 123; |
| tss.ts[0].tv_nsec = 456; |
| grpc_core::grpc_tcp_set_write_timestamps_callback( |
| TestVerifierCalledOnAckVerifier); |
| grpc_core::TracedBuffer* list = nullptr; |
| gpr_atm verifier_called; |
| gpr_atm_rel_store(&verifier_called, static_cast<gpr_atm>(0)); |
| grpc_core::TracedBuffer::AddNewEntry(&list, 213, 0, &verifier_called); |
| grpc_core::TracedBuffer::ProcessTimestamp(&list, &serr, nullptr, &tss); |
| GPR_ASSERT(gpr_atm_acq_load(&verifier_called) == static_cast<gpr_atm>(1)); |
| GPR_ASSERT(list == nullptr); |
| grpc_core::TracedBuffer::Shutdown(&list, nullptr, GRPC_ERROR_NONE); |
| } |
| |
| static void TestTcpBufferList() { |
| TestVerifierCalledOnAck(); |
| TestShutdownFlushesList(); |
| } |
| |
| int main(int argc, char** argv) { |
| grpc::testing::TestEnvironment env(argc, argv); |
| grpc_init(); |
| TestTcpBufferList(); |
| grpc_shutdown(); |
| return 0; |
| } |
| |
| #else /* GRPC_LINUX_ERRQUEUE */ |
| |
| int main(int argc, char** argv) { return 0; } |
| |
| #endif /* GRPC_LINUX_ERRQUEUE */ |