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/*
*
* 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, static_cast<void*>(&verifier_called[i]));
}
grpc_core::TracedBuffer::Shutdown(&list, 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.clock_type == GPR_CLOCK_REALTIME);
GPR_ASSERT(ts->acked_time.tv_sec == 123);
GPR_ASSERT(ts->acked_time.tv_nsec == 456);
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, &verifier_called);
grpc_core::TracedBuffer::ProcessTimestamp(&list, &serr, &tss);
GPR_ASSERT(gpr_atm_acq_load(&verifier_called) == static_cast<gpr_atm>(1));
GPR_ASSERT(list == nullptr);
grpc_core::TracedBuffer::Shutdown(&list, GRPC_ERROR_NONE);
}
static void TestTcpBufferList() {
TestVerifierCalledOnAck();
TestShutdownFlushesList();
}
int main(int argc, char** argv) {
grpc_test_init(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 */
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