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Diffstat (limited to 'test/cpp/interop/stress_interop_client.cc')
-rw-r--r-- | test/cpp/interop/stress_interop_client.cc | 161 |
1 files changed, 161 insertions, 0 deletions
diff --git a/test/cpp/interop/stress_interop_client.cc b/test/cpp/interop/stress_interop_client.cc new file mode 100644 index 0000000000..d1d0b0d4f3 --- /dev/null +++ b/test/cpp/interop/stress_interop_client.cc @@ -0,0 +1,161 @@ +/* + * + * Copyright 2015, Google Inc. + * All rights reserved. + * + * Redistribution and use in source and binary forms, with or without + * modification, are permitted provided that the following conditions are + * met: + * + * * Redistributions of source code must retain the above copyright + * notice, this list of conditions and the following disclaimer. + * * Redistributions in binary form must reproduce the above + * copyright notice, this list of conditions and the following disclaimer + * in the documentation and/or other materials provided with the + * distribution. + * * Neither the name of Google Inc. nor the names of its + * contributors may be used to endorse or promote products derived from + * this software without specific prior written permission. + * + * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS + * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT + * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR + * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT + * OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, + * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT + * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, + * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY + * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT + * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE + * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. + *is % allowed in string + */ + +#include <memory> +#include <string> +#include <vector> + +#include <grpc++/create_channel.h> + +#include "test/cpp/interop/interop_client.h" +#include "test/cpp/interop/stress_interop_client.h" + +namespace grpc { +namespace testing { + +using std::pair; +using std::string; +using std::vector; + +WeightedRandomTestSelector::WeightedRandomTestSelector( + const vector<pair<TestCaseType, int>>& tests) + : tests_(tests) { + total_weight_ = 0; + for (auto it = tests.begin(); it != tests.end(); it++) { + total_weight_ += it->second; + } +} + +// Returns a weighted-randomly selected test case based on the test weights +// passed in the constructror +TestCaseType WeightedRandomTestSelector::GetNextTest() const { + int random = 0; + TestCaseType selected_test = UNKNOWN_TEST; + + // Get a random number from [0 to the total_weight - 1] + random = rand() % total_weight_; + + int weight_sofar = 0; + for (auto it = tests_.begin(); it != tests_.end(); it++) { + weight_sofar += it->second; + if (random < weight_sofar) { + selected_test = it->first; + break; + } + } + + // It is a bug in the logic if no test is selected at this point + GPR_ASSERT(selected_test != UNKNOWN_TEST); + return selected_test; +} + +StressTestInteropClient::StressTestInteropClient( + int test_id, const string& server_address, + const WeightedRandomTestSelector& test_selector, long test_duration_secs, + long sleep_duration_ms) + : test_id_(test_id), + server_address_(server_address), + test_selector_(test_selector), + test_duration_secs_(test_duration_secs), + sleep_duration_ms_(sleep_duration_ms) { + // TODO(sreek): This will change once we add support for other tests + // that won't work with InsecureCredentials() + std::shared_ptr<Channel> channel( + CreateChannel(server_address, InsecureCredentials())); + interop_client_.reset(new InteropClient(channel)); +} + +void StressTestInteropClient::MainLoop() { + gpr_log(GPR_INFO, "Running test %d. ServerAddr: %s", test_id_, + server_address_.c_str()); + + gpr_timespec test_end_time = + gpr_time_add(gpr_now(GPR_CLOCK_REALTIME), + gpr_time_from_seconds(test_duration_secs_, GPR_TIMESPAN)); + + gpr_timespec current_time = gpr_now(GPR_CLOCK_REALTIME); + while (test_duration_secs_ < 0 || + gpr_time_cmp(current_time, test_end_time) < 0) { + // Select the test case to execute based on the weights and execute it + TestCaseType test_case = test_selector_.GetNextTest(); + gpr_log(GPR_INFO, "%d - Executing the test case %d", test_id_, test_case); + RunTest(test_case); + + // Sleep between successive calls if needed + if (sleep_duration_ms_ > 0) { + gpr_timespec sleep_time = gpr_time_add( + current_time, gpr_time_from_millis(sleep_duration_ms_, GPR_TIMESPAN)); + gpr_sleep_until(sleep_time); + } + + current_time = gpr_now(GPR_CLOCK_REALTIME); + } +} + +// TODO(sree): Add all interop tests +void StressTestInteropClient::RunTest(TestCaseType test_case) { + switch (test_case) { + case EMPTY_UNARY: { + interop_client_->DoEmpty(); + break; + } + case LARGE_UNARY: { + interop_client_->DoLargeUnary(); + break; + } + case LARGE_COMPRESSED_UNARY: { + interop_client_->DoLargeCompressedUnary(); + break; + } + case CLIENT_STREAMING: { + interop_client_->DoRequestStreaming(); + break; + } + case SERVER_STREAMING: { + interop_client_->DoResponseStreaming(); + break; + } + case EMPTY_STREAM: { + interop_client_->DoEmptyStream(); + break; + } + default: { + gpr_log(GPR_ERROR, "Invalid test case (%d)", test_case); + GPR_ASSERT(false); + break; + } + } +} + +} // namespace testing +} // namespace grpc |