chore: import upstream snapshot with attribution

2026-07-13 13:29:29 +08:00
commit f52cf32e56
1718 changed files with 366293 additions and 0 deletions
@@ -0,0 +1,129 @@
+// Licensed to the Apache Software Foundation (ASF) under one
+// or more contributor license agreements.  See the NOTICE file
+// distributed with this work for additional information
+// regarding copyright ownership.  The ASF licenses this file
+// to you 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 "brpc/policy/timeout_concurrency_limiter.h"
+#include "butil/time.h"
+#include "bthread/bthread.h"
+#include <gtest/gtest.h>
+
+namespace brpc {
+namespace policy {
+DECLARE_int32(timeout_cl_sample_window_size_ms);
+DECLARE_int32(timeout_cl_min_sample_count);
+DECLARE_int32(timeout_cl_max_sample_count);
+}  // namespace policy
+}  // namespace brpc
+
+TEST(TimeoutConcurrencyLimiterTest, AddSample) {
+    {
+        brpc::policy::FLAGS_timeout_cl_sample_window_size_ms = 10;
+        brpc::policy::FLAGS_timeout_cl_min_sample_count = 5;
+        brpc::policy::FLAGS_timeout_cl_max_sample_count = 10;
+
+        brpc::policy::TimeoutConcurrencyLimiter limiter;
+        limiter.AddSample(0, 50, butil::cpuwide_time_us());
+        limiter.AddSample(0, 50, butil::cpuwide_time_us());
+        limiter.AddSample(0, 50, butil::cpuwide_time_us());
+        limiter.AddSample(0, 50, butil::cpuwide_time_us());
+        bthread_usleep(10 * 1000);
+        limiter.AddSample(0, 50, butil::cpuwide_time_us());
+        ASSERT_EQ(limiter._sw.succ_count, 0);
+        ASSERT_EQ(limiter._sw.failed_count, 0);
+
+        limiter.AddSample(0, 50, butil::cpuwide_time_us());
+        limiter.AddSample(0, 50, butil::cpuwide_time_us());
+        limiter.AddSample(0, 50, butil::cpuwide_time_us());
+        limiter.AddSample(0, 50, butil::cpuwide_time_us());
+        limiter.AddSample(0, 50, butil::cpuwide_time_us());
+        bthread_usleep(10 * 1000);
+        limiter.AddSample(0, 50, butil::cpuwide_time_us());
+        ASSERT_EQ(limiter._sw.succ_count, 0);
+        ASSERT_EQ(limiter._sw.failed_count, 0);
+        ASSERT_EQ(limiter._avg_latency_us, 50);
+
+        limiter.AddSample(0, 50, butil::cpuwide_time_us());
+        limiter.AddSample(0, 50, butil::cpuwide_time_us());
+        limiter.AddSample(0, 50, butil::cpuwide_time_us());
+        limiter.AddSample(0, 50, butil::cpuwide_time_us());
+        limiter.AddSample(0, 50, butil::cpuwide_time_us());
+        limiter.AddSample(0, 50, butil::cpuwide_time_us());
+        limiter.AddSample(0, 50, butil::cpuwide_time_us());
+        limiter.AddSample(0, 50, butil::cpuwide_time_us());
+        limiter.AddSample(0, 50, butil::cpuwide_time_us());
+        limiter.AddSample(0, 50, butil::cpuwide_time_us());
+        ASSERT_EQ(limiter._sw.succ_count, 0);
+        ASSERT_EQ(limiter._sw.failed_count, 0);
+        ASSERT_EQ(limiter._avg_latency_us, 50);
+
+        limiter.AddSample(0, 50, butil::cpuwide_time_us());
+        limiter.AddSample(0, 50, butil::cpuwide_time_us());
+        limiter.AddSample(0, 50, butil::cpuwide_time_us());
+        limiter.AddSample(0, 50, butil::cpuwide_time_us());
+        limiter.AddSample(0, 50, butil::cpuwide_time_us());
+        limiter.AddSample(0, 50, butil::cpuwide_time_us());
+        ASSERT_EQ(limiter._sw.succ_count, 6);
+        ASSERT_EQ(limiter._sw.failed_count, 0);
+
+        limiter.ResetSampleWindow(butil::cpuwide_time_us());
+        limiter.AddSample(0, 50, butil::cpuwide_time_us());
+        limiter.AddSample(0, 50, butil::cpuwide_time_us());
+        limiter.AddSample(0, 50, butil::cpuwide_time_us());
+        limiter.AddSample(1, 50, butil::cpuwide_time_us());
+        limiter.AddSample(1, 50, butil::cpuwide_time_us());
+        limiter.AddSample(1, 50, butil::cpuwide_time_us());
+        ASSERT_EQ(limiter._sw.succ_count, 3);
+        ASSERT_EQ(limiter._sw.failed_count, 3);
+    }
+}
+
+TEST(TimeoutConcurrencyLimiterTest, OnResponded) {
+    brpc::policy::FLAGS_timeout_cl_sample_window_size_ms = 10;
+    brpc::policy::FLAGS_timeout_cl_min_sample_count = 5;
+    brpc::policy::FLAGS_timeout_cl_max_sample_count = 10;
+    brpc::policy::TimeoutConcurrencyLimiter limiter;
+    limiter.OnResponded(0, 50);
+    limiter.OnResponded(0, 50);
+    bthread_usleep(100);
+    limiter.OnResponded(0, 50);
+    limiter.OnResponded(1, 50);
+    ASSERT_EQ(limiter._sw.succ_count, 2);
+    ASSERT_EQ(limiter._sw.failed_count, 0);
+}
+
+TEST(TimeoutConcurrencyLimiterTest, AdaptiveMaxConcurrencyTest) {
+    {
+        brpc::AdaptiveMaxConcurrency concurrency(
+            brpc::TimeoutConcurrencyConf{100, 100});
+        ASSERT_EQ(concurrency.type(), "timeout");
+        ASSERT_EQ(concurrency.value(), "timeout");
+    }
+    {
+        brpc::AdaptiveMaxConcurrency concurrency;
+        concurrency = "timeout";
+        ASSERT_EQ(concurrency.type(), "timeout");
+        ASSERT_EQ(concurrency.value(), "timeout");
+    }
+    {
+        brpc::AdaptiveMaxConcurrency concurrency;
+        concurrency = brpc::TimeoutConcurrencyConf{50, 100};
+        ASSERT_EQ(concurrency.type(), "timeout");
+        ASSERT_EQ(concurrency.value(), "timeout");
+        auto time_conf = static_cast<brpc::TimeoutConcurrencyConf>(concurrency);
+        ASSERT_EQ(time_conf.timeout_ms, 50);
+        ASSERT_EQ(time_conf.max_concurrency, 100);
+    }
+}