android13/test/vts/drivers/hal/common/include/component_loader/HalDriverLoader.h

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/*
* Copyright (C) 2016 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 __VTS_SYSFUZZER_COMMON_SPECPARSER_SPECBUILDER_H__
#define __VTS_SYSFUZZER_COMMON_SPECPARSER_SPECBUILDER_H__
#include <queue>
#include <string>
#include "component_loader/DllLoader.h"
#include "driver_base/DriverBase.h"
#include "test/vts/proto/ComponentSpecificationMessage.pb.h"
using namespace std;
namespace android {
namespace vts {
// Builder of an interface specification.
class HalDriverLoader {
public:
// Constructor where the first argument is the path of a dir which contains
// all available interface specification files.
HalDriverLoader(const string dir_path, int epoch_count,
const string& callback_socket_name);
// Scans the dir and returns an component specification for a requested
// component.
// Args:
// version_major: int, hal major version, e.g. 1.0 -> 1
// version_minor: int, hal minor version, e.g. 1.0 -> 0
bool FindComponentSpecification(const int component_class,
const string& package_name,
const int version_major,
const int version_minor,
const string& component_name,
const int component_type,
ComponentSpecificationMessage* spec_msg);
// Create driver for given component.
DriverBase* GetDriver(const string& driver_lib_path,
const ComponentSpecificationMessage& spec_msg,
const string& hw_binder_service_name,
const uint64_t interface_pt,
bool with_interface_pointer,
const string& dll_file_name);
// Returns FuzzBase for a given interface specification, and adds all the
// found functions to the fuzzing job queue.
// TODO (zhuoyao): consider to deprecate this method.
DriverBase* GetFuzzerBaseAndAddAllFunctionsToQueue(
const char* driver_lib_path,
const ComponentSpecificationMessage& iface_spec_msg,
const char* dll_file_name, const char* hw_service_name);
// Main function for the VTS system fuzzer where dll_file_name is the path of
// a target component, spec_lib_file_path is the path of a specification
// library file, and the rest three arguments are the basic information of
// the target component.
// Args:
// target_version_major: hal major version, e.g. 1.0 -> 1.
// target_version_minor: hal minor version, e.g. 1.0 -> 0.
// TODO (zhuoyao): consider to deprecate this method.
bool Process(const char* dll_file_name, const char* spec_lib_file_path,
int target_class, int target_type, int target_version_major,
int target_version_minor, const char* target_package,
const char* target_component_name, const char* hal_service_name);
private:
// Internal method to create driver for library.
DriverBase* GetLibDriver(const string& driver_lib_path,
const ComponentSpecificationMessage& spec_msg,
const string& dll_file_name);
// Internal method to create driver for HIDL HAL.
DriverBase* GetHidlHalDriver(const string& driver_lib_path,
const ComponentSpecificationMessage& spec_msg,
const string& hal_service_name,
const uint64_t interface_pt,
bool with_interface_pt);
// Internal method to create driver for HIDL HAL with interface pointer.
DriverBase* LoadDriverWithInterfacePointer(
const string& driver_lib_path,
const ComponentSpecificationMessage& spec_msg,
const uint64_t interface_pt);
// Helper method to load a driver library with the given path.
DriverBase* LoadDriver(const string& driver_lib_path,
const ComponentSpecificationMessage& spec_msg);
// A DLL Loader instance used to load the driver library.
DllLoader dll_loader_;
// the path of a dir which contains interface specification ASCII proto files.
const string dir_path_;
// the total number of epochs
const int epoch_count_;
// the server socket port # of the agent.
const string callback_socket_name_;
// fuzzing job queue. Used by Process method.
queue<pair<FunctionSpecificationMessage*, DriverBase*>> job_queue_;
};
} // namespace vts
} // namespace android
#endif // __VTS_SYSFUZZER_COMMON_SPECPARSER_SPECBUILDER_H__