104 lines
4.1 KiB
Python
104 lines
4.1 KiB
Python
#
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# Copyright (C) 2016 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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import logging
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from google.protobuf import text_format
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from vts.runners.host import errors
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from vts.proto import AndroidSystemControlMessage_pb2 as ASysCtrlMsg
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from vts.proto import ComponentSpecificationMessage_pb2 as CompSpecMsg
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from vts.utils.python.mirror import native_entity_mirror
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class LibMirror(native_entity_mirror.NativeEntityMirror):
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"""The class that acts as the mirror to an Android device's Lib layer.
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This class holds and manages the life cycle of multiple mirror objects that
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map to different lib components.
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One can use this class to create and destroy a lib mirror object.
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"""
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def InitLibDriver(self, target_type, target_version_major,
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target_version_minor, target_package, target_filename,
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target_basepaths, handler_name, bits):
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"""Initiates the driver for a lib on the target device and loads
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the interface specification message.
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Args:
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target_type: string, the target type name (e.g., light, camera).
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target_version_major:
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int, the target component major version (e.g. 1.0 -> 1).
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target_version_minor:
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int, the target component minor version (e.g. 1.0 -> 0).
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target_package: . separated string (e.g., a.b.c) to denote the
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package name of target component.
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target_filename: string, the target file name (e.g., libm.so).
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target_basepaths: list of strings, the paths to look for target
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files in.
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handler_name: string, the name of the handler. target_type is used
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by default.
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bits: integer, processor architecture indicator: 32 or 64.
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"""
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# Get all the libs available on the target.
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lib_list = self._client.ListHals(target_basepaths)
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if not lib_list:
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raise errors.ComponentLoadingError(
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"Could not find any lib under path %s" % target_basepaths)
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logging.debug(lib_list)
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# Find the corresponding filename for Lib target type.
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if target_filename is not None:
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for name in lib_list:
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if name.endswith(target_filename):
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target_filename = name
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break
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else:
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for name in lib_list:
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if target_type in name:
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# TODO: check more exactly (e.g., multiple hits).
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target_filename = name
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if not target_filename:
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raise errors.ComponentLoadingError(
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"No file found for target type %s." % target_type)
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driver_id = self.LaunchMirrorDriver(
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ASysCtrlMsg.VTS_DRIVER_TYPE_HAL_CONVENTIONAL,
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"lib_shared",
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target_type,
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target_version_major,
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target_version_minor,
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target_package=target_package,
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target_filename=target_filename,
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handler_name=handler_name,
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bits=bits)
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self._driver_id = driver_id
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#TODO: ListApis assumes only one lib is loaded at a time, need to
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# figure out a way to get the api_spec when we want to test
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# multiple libs together.
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found_api_spec = self._client.ListApis()
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if not found_api_spec:
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raise errors.ComponentLoadingError(
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"No API found for %s" % target_type)
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if_spec_msg = CompSpecMsg.ComponentSpecificationMessage()
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text_format.Merge(found_api_spec, if_spec_msg)
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self._if_spec_msg = if_spec_msg
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