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108 lines
3.9 KiB
108 lines
3.9 KiB
/* |
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* Copyright (C) 2019 The Android Open Source Project |
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* |
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* Licensed under the Apache License, Version 2.0 (the "License"); |
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* you may not use this file except in compliance with the License. |
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* You may obtain a copy of the License at |
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* |
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* http://www.apache.org/licenses/LICENSE-2.0 |
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* |
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* Unless required by applicable law or agreed to in writing, software |
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* distributed under the License is distributed on an "AS IS" BASIS, |
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* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. |
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* See the License for the specific language governing permissions and |
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* limitations under the License. |
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*/ |
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#ifndef NETD_INCLUDE_BINDER_UTIL_H |
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#define NETD_INCLUDE_BINDER_UTIL_H |
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#ifdef ANDROID_BINDER_STATUS_H |
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#define IS_BINDER_OK(__ex__) (__ex__ == ::android::binder::Status::EX_NONE) |
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#define EXCEPTION_TO_STRING(__ex__, str) \ |
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case ::android::binder::Status::__ex__: \ |
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return str; |
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#define TO_EXCEPTION(__ex__) __ex__; |
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#else |
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#define IS_BINDER_OK(__ex__) (AStatus_isOk(AStatus_fromExceptionCode(__ex__))) |
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#define EXCEPTION_TO_STRING(__ex__, str) \ |
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case __ex__: \ |
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return str; |
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#define TO_EXCEPTION(__ex__) AStatus_getExceptionCode(AStatus_fromExceptionCode(__ex__)); |
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#endif |
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std::string exceptionToString(int32_t exception) { |
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switch (exception) { |
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EXCEPTION_TO_STRING(EX_SECURITY, "SecurityException") |
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EXCEPTION_TO_STRING(EX_BAD_PARCELABLE, "BadParcelableException") |
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EXCEPTION_TO_STRING(EX_ILLEGAL_ARGUMENT, "IllegalArgumentException") |
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EXCEPTION_TO_STRING(EX_NULL_POINTER, "NullPointerException") |
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EXCEPTION_TO_STRING(EX_ILLEGAL_STATE, "IllegalStateException") |
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EXCEPTION_TO_STRING(EX_NETWORK_MAIN_THREAD, "NetworkMainThreadException") |
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EXCEPTION_TO_STRING(EX_UNSUPPORTED_OPERATION, "UnsupportedOperationException") |
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EXCEPTION_TO_STRING(EX_SERVICE_SPECIFIC, "ServiceSpecificException") |
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EXCEPTION_TO_STRING(EX_PARCELABLE, "ParcelableException") |
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EXCEPTION_TO_STRING(EX_TRANSACTION_FAILED, "TransactionFailedException") |
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default: |
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return "UnknownException"; |
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} |
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} |
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using LogFn = std::function<void(const std::string& msg)>; |
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void binderCallLogFn(const Json::Value& logTransaction, const LogFn& logFn) { |
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using namespace std::string_literals; |
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bool hasReturnArgs; |
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std::string output; |
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const Json::Value& returnArgs = logTransaction["_aidl_return"]; |
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const Json::Value& inputArgsArray = logTransaction["input_args"]; |
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hasReturnArgs = !returnArgs.empty(); |
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output.append(logTransaction["method_name"].asString() + "("s); |
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// input args |
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Json::FastWriter fastWriter; |
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fastWriter.omitEndingLineFeed(); |
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for (Json::Value::ArrayIndex i = 0; i < inputArgsArray.size(); ++i) { |
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std::string value = fastWriter.write(inputArgsArray[i]["value"]); |
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output.append(value); |
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if (i != inputArgsArray.size() - 1) { |
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output.append(", "s); |
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} |
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} |
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output.append(")"s); |
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const int exceptionCode = |
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TO_EXCEPTION(logTransaction["binder_status"]["exception_code"].asInt()); |
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if (hasReturnArgs || !IS_BINDER_OK(exceptionCode)) { |
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output.append(" -> "s); |
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} |
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// return status |
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if (!IS_BINDER_OK(exceptionCode)) { |
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// an exception occurred |
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const int errCode = logTransaction["binder_status"]["service_specific_error_code"].asInt(); |
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output.append(::android::base::StringPrintf( |
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"%s(%d, \"%s\")", exceptionToString(exceptionCode).c_str(), |
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(errCode != 0) ? errCode : exceptionCode, |
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logTransaction["binder_status"]["exception_message"].asString().c_str())); |
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} |
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// return args |
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if (hasReturnArgs) { |
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output.append(::android::base::StringPrintf("{%s}", fastWriter.write(returnArgs).c_str())); |
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} |
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// duration time |
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output.append( |
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::android::base::StringPrintf(" <%.2fms>", logTransaction["duration_ms"].asFloat())); |
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logFn(output); |
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} |
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#endif /* NETD_INCLUDE_BINDER_UTIL_H */
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