/*
|
* Copyright (C) 2019 The Android Open Source Project
|
*
|
* 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.
|
*/
|
|
#ifndef NETD_INCLUDE_BINDER_UTIL_H
|
#define NETD_INCLUDE_BINDER_UTIL_H
|
|
#ifdef ANDROID_BINDER_STATUS_H
|
#define IS_BINDER_OK(__ex__) (__ex__ == ::android::binder::Status::EX_NONE)
|
|
#define EXCEPTION_TO_STRING(__ex__, str) \
|
case ::android::binder::Status::__ex__: \
|
return str;
|
|
#define TO_EXCEPTION(__ex__) __ex__;
|
|
#else
|
#define IS_BINDER_OK(__ex__) (AStatus_isOk(AStatus_fromExceptionCode(__ex__)))
|
|
#define EXCEPTION_TO_STRING(__ex__, str) \
|
case __ex__: \
|
return str;
|
|
#define TO_EXCEPTION(__ex__) AStatus_getExceptionCode(AStatus_fromExceptionCode(__ex__));
|
|
#endif
|
|
std::string exceptionToString(int32_t exception) {
|
switch (exception) {
|
EXCEPTION_TO_STRING(EX_SECURITY, "SecurityException")
|
EXCEPTION_TO_STRING(EX_BAD_PARCELABLE, "BadParcelableException")
|
EXCEPTION_TO_STRING(EX_ILLEGAL_ARGUMENT, "IllegalArgumentException")
|
EXCEPTION_TO_STRING(EX_NULL_POINTER, "NullPointerException")
|
EXCEPTION_TO_STRING(EX_ILLEGAL_STATE, "IllegalStateException")
|
EXCEPTION_TO_STRING(EX_NETWORK_MAIN_THREAD, "NetworkMainThreadException")
|
EXCEPTION_TO_STRING(EX_UNSUPPORTED_OPERATION, "UnsupportedOperationException")
|
EXCEPTION_TO_STRING(EX_SERVICE_SPECIFIC, "ServiceSpecificException")
|
EXCEPTION_TO_STRING(EX_PARCELABLE, "ParcelableException")
|
EXCEPTION_TO_STRING(EX_TRANSACTION_FAILED, "TransactionFailedException")
|
default:
|
return "UnknownException";
|
}
|
}
|
|
using LogFn = std::function<void(const std::string& msg)>;
|
|
void binderCallLogFn(const Json::Value& logTransaction, const LogFn& logFn) {
|
using namespace std::string_literals;
|
|
bool hasReturnArgs;
|
std::string output;
|
const Json::Value& returnArgs = logTransaction["_aidl_return"];
|
const Json::Value& inputArgsArray = logTransaction["input_args"];
|
|
hasReturnArgs = !returnArgs.empty();
|
output.append(logTransaction["method_name"].asString() + "("s);
|
|
// input args
|
Json::FastWriter fastWriter;
|
fastWriter.omitEndingLineFeed();
|
for (Json::Value::ArrayIndex i = 0; i < inputArgsArray.size(); ++i) {
|
std::string value = fastWriter.write(inputArgsArray[i]["value"]);
|
output.append(value);
|
if (i != inputArgsArray.size() - 1) {
|
output.append(", "s);
|
}
|
}
|
output.append(")"s);
|
|
const int exceptionCode =
|
TO_EXCEPTION(logTransaction["binder_status"]["exception_code"].asInt());
|
|
if (hasReturnArgs || !IS_BINDER_OK(exceptionCode)) {
|
output.append(" -> "s);
|
}
|
|
// return status
|
if (!IS_BINDER_OK(exceptionCode)) {
|
// an exception occurred
|
const int errCode = logTransaction["binder_status"]["service_specific_error_code"].asInt();
|
output.append(::android::base::StringPrintf(
|
"%s(%d, \"%s\")", exceptionToString(exceptionCode).c_str(),
|
(errCode != 0) ? errCode : exceptionCode,
|
logTransaction["binder_status"]["exception_message"].asString().c_str()));
|
}
|
// return args
|
if (hasReturnArgs) {
|
output.append(::android::base::StringPrintf("{%s}", fastWriter.write(returnArgs).c_str()));
|
}
|
// duration time
|
output.append(
|
::android::base::StringPrintf(" <%.2fms>", logTransaction["duration_ms"].asFloat()));
|
logFn(output);
|
}
|
|
#endif /* NETD_INCLUDE_BINDER_UTIL_H */
|
