1 /*
2 * Copyright (C) 2021 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
17 #include <android-base/properties.h>
18 #include <log/log.h>
19 #include "DumpstateUtil.h"
20
21 #include "Dumpstate.h"
22
23 using android::os::dumpstate::DumpFileToFd;
24
25 namespace aidl {
26 namespace android {
27 namespace hardware {
28 namespace dumpstate {
29
30 const char kVerboseLoggingProperty[] = "persist.dumpstate.verbose_logging.enabled";
31
dumpstateBoard(const std::vector<::ndk::ScopedFileDescriptor> & in_fds,IDumpstateDevice::DumpstateMode in_mode,int64_t in_timeoutMillis)32 ndk::ScopedAStatus Dumpstate::dumpstateBoard(const std::vector<::ndk::ScopedFileDescriptor>& in_fds,
33 IDumpstateDevice::DumpstateMode in_mode,
34 int64_t in_timeoutMillis) {
35 (void)in_timeoutMillis;
36
37 if (in_fds.size() < 1) {
38 return ndk::ScopedAStatus::fromExceptionCodeWithMessage(EX_ILLEGAL_ARGUMENT,
39 "No file descriptor");
40 }
41
42 int fd = in_fds[0].get();
43 if (fd < 0) {
44 return ndk::ScopedAStatus::fromExceptionCodeWithMessage(EX_ILLEGAL_ARGUMENT,
45 "Invalid file descriptor");
46 }
47
48 switch (in_mode) {
49 case IDumpstateDevice::DumpstateMode::FULL:
50 return dumpstateBoardImpl(fd, true);
51
52 case IDumpstateDevice::DumpstateMode::DEFAULT:
53 return dumpstateBoardImpl(fd, false);
54
55 case IDumpstateDevice::DumpstateMode::INTERACTIVE:
56 case IDumpstateDevice::DumpstateMode::REMOTE:
57 case IDumpstateDevice::DumpstateMode::WEAR:
58 case IDumpstateDevice::DumpstateMode::CONNECTIVITY:
59 case IDumpstateDevice::DumpstateMode::WIFI:
60 case IDumpstateDevice::DumpstateMode::PROTO:
61 return ndk::ScopedAStatus::fromServiceSpecificErrorWithMessage(ERROR_UNSUPPORTED_MODE,
62 "Unsupported mode");
63
64 default:
65 return ndk::ScopedAStatus::fromExceptionCodeWithMessage(EX_ILLEGAL_ARGUMENT,
66 "Invalid mode");
67 }
68
69 return ndk::ScopedAStatus::ok();
70 }
71
getVerboseLoggingEnabled(bool * _aidl_return)72 ndk::ScopedAStatus Dumpstate::getVerboseLoggingEnabled(bool* _aidl_return) {
73 *_aidl_return = getVerboseLoggingEnabledImpl();
74 return ndk::ScopedAStatus::ok();
75 }
76
setVerboseLoggingEnabled(bool in_enable)77 ndk::ScopedAStatus Dumpstate::setVerboseLoggingEnabled(bool in_enable) {
78 ::android::base::SetProperty(kVerboseLoggingProperty, in_enable ? "true" : "false");
79 return ndk::ScopedAStatus::ok();
80 }
81
getVerboseLoggingEnabledImpl()82 bool Dumpstate::getVerboseLoggingEnabledImpl() {
83 return ::android::base::GetBoolProperty(kVerboseLoggingProperty, false);
84 }
85
dumpstateBoardImpl(const int fd,const bool full)86 ndk::ScopedAStatus Dumpstate::dumpstateBoardImpl(const int fd, const bool full) {
87 ALOGD("DumpstateDevice::dumpstateBoard() FD: %d\n", fd);
88
89 dprintf(fd, "verbose logging: %s\n", getVerboseLoggingEnabledImpl() ? "enabled" : "disabled");
90 dprintf(fd, "[%s] %s\n", (full ? "full" : "default"), "Hello, world!");
91
92 // Shows an example on how to use the libdumpstateutil API.
93 DumpFileToFd(fd, "cmdline", "/proc/self/cmdline");
94
95 return ndk::ScopedAStatus::ok();
96 }
97
98 } // namespace dumpstate
99 } // namespace hardware
100 } // namespace android
101 } // namespace aidl
102