1 /* 2 * Copyright (C) 2016 The Android Open Source Project 3 * 4 * Licensed under the Apache License, Version 2.0 (the "License"); 5 * you may not use this file except in compliance with the License. 6 * You may obtain a copy of the License at 7 * 8 * http://www.apache.org/licenses/LICENSE-2.0 9 * 10 * Unless required by applicable law or agreed to in writing, software 11 * distributed under the License is distributed on an "AS IS" BASIS, 12 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. 13 * See the License for the specific language governing permissions and 14 * limitations under the License. 15 */ 16 #include "VtsHidlHalReplayer.h" 17 18 #include <fcntl.h> 19 #include <unistd.h> 20 #include <fstream> 21 #include <iostream> 22 #include <string> 23 24 #include <google/protobuf/io/zero_copy_stream_impl.h> 25 #include <google/protobuf/text_format.h> 26 27 #include "VtsProfilingUtil.h" 28 #include "driver_base/DriverBase.h" 29 #include "utils/InterfaceSpecUtil.h" 30 #include "utils/StringUtil.h" 31 32 using namespace std; 33 34 namespace android { 35 namespace vts { 36 37 bool VtsHidlHalReplayer::ReplayTrace(const string& trace_file, 38 const string& hal_service_name) { 39 // Parse the trace file to get the sequence of function calls. 40 int fd = 41 open(trace_file.c_str(), O_RDONLY, S_IRUSR | S_IWUSR | S_IRGRP | S_IROTH); 42 if (fd < 0) { 43 cerr << "Can not open trace file: " << trace_file 44 << "error: " << std::strerror(errno); 45 return false; 46 } 47 48 google::protobuf::io::FileInputStream input(fd); 49 50 VtsProfilingRecord call_msg; 51 VtsProfilingRecord expected_result_msg; 52 while (readOneDelimited(&call_msg, &input) && 53 readOneDelimited(&expected_result_msg, &input)) { 54 if (call_msg.event() != InstrumentationEventType::SERVER_API_ENTRY && 55 call_msg.event() != InstrumentationEventType::CLIENT_API_ENTRY && 56 call_msg.event() != InstrumentationEventType::SYNC_CALLBACK_ENTRY && 57 call_msg.event() != InstrumentationEventType::ASYNC_CALLBACK_ENTRY && 58 call_msg.event() != InstrumentationEventType::PASSTHROUGH_ENTRY) { 59 cerr << "Expected a call message but got message with event: " 60 << call_msg.event(); 61 continue; 62 } 63 if (expected_result_msg.event() != 64 InstrumentationEventType::SERVER_API_EXIT && 65 expected_result_msg.event() != 66 InstrumentationEventType::CLIENT_API_EXIT && 67 expected_result_msg.event() != 68 InstrumentationEventType::SYNC_CALLBACK_EXIT && 69 expected_result_msg.event() != 70 InstrumentationEventType::ASYNC_CALLBACK_EXIT && 71 expected_result_msg.event() != 72 InstrumentationEventType::PASSTHROUGH_EXIT) { 73 cerr << "Expected a result message but got message with event: " 74 << call_msg.event(); 75 continue; 76 } 77 78 cout << __func__ << ": replay function: " << call_msg.func_msg().name(); 79 80 string package_name = call_msg.package(); 81 float version = call_msg.version(); 82 string interface_name = call_msg.interface(); 83 DriverBase* driver = driver_manager_->GetDriverForHidlHalInterface( 84 package_name, version, interface_name, hal_service_name); 85 if (!driver) { 86 cerr << __func__ << ": couldn't get a driver base class" << endl; 87 return false; 88 } 89 90 vts::FunctionSpecificationMessage result_msg; 91 if (!driver->CallFunction(call_msg.func_msg(), "" /*callback_socket_name*/, 92 &result_msg)) { 93 cerr << __func__ << ": replay function fail." << endl; 94 return false; 95 } 96 if (!driver->VerifyResults(expected_result_msg.func_msg(), result_msg)) { 97 // Verification is not strict, i.e. if fail, output error message and 98 // continue the process. 99 cerr << __func__ << ": verification fail." << endl; 100 } 101 call_msg.Clear(); 102 expected_result_msg.Clear(); 103 } 104 return true; 105 } 106 107 } // namespace vts 108 } // namespace android 109
