1 /*
2 * Copyright (C) 2016 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 "ChecksumCalculatorThreadInfo.h"
18
19 #include "host-common/crash_reporter.h"
20
21 #include <atomic>
22 #include <string>
23
24 #include <assert.h>
25 #include <stdio.h>
26
27 namespace {
28
29 #if TRACE_CHECKSUMHELPER
30 std::atomic<size_t> sNumInstances(0);
31 #endif // TRACE_CHECKSUMHELPER
32 }
33
getChecksumCalculatorThreadInfo()34 static ChecksumCalculatorThreadInfo* getChecksumCalculatorThreadInfo() {
35 static thread_local ChecksumCalculatorThreadInfo* tls = new ChecksumCalculatorThreadInfo;
36 return tls;
37 }
38
ChecksumCalculatorThreadInfo()39 ChecksumCalculatorThreadInfo::ChecksumCalculatorThreadInfo() {
40 LOG_CHECKSUMHELPER("%s: Checksum thread created (%u instances)\n",
41 __FUNCTION__, (unsigned int)(++sNumInstances));
42 }
43
~ChecksumCalculatorThreadInfo()44 ChecksumCalculatorThreadInfo::~ChecksumCalculatorThreadInfo() {
45 LOG_CHECKSUMHELPER("%s: GLprotocol destroyed (%u instances)\n",
46 __FUNCTION__, (unsigned int)(--sNumInstances));
47 }
48
get()49 ChecksumCalculator& ChecksumCalculatorThreadInfo::get() {
50 return getChecksumCalculatorThreadInfo()->m_protocol;
51 }
52
setVersion(uint32_t version)53 bool ChecksumCalculatorThreadInfo::setVersion(uint32_t version) {
54 return getChecksumCalculatorThreadInfo()->m_protocol.setVersion(version);
55 }
56
writeChecksum(ChecksumCalculator * calc,void * buf,size_t bufLen,void * outputChecksum,size_t outputChecksumLen)57 bool ChecksumCalculatorThreadInfo::writeChecksum(ChecksumCalculator* calc,
58 void* buf,
59 size_t bufLen,
60 void* outputChecksum,
61 size_t outputChecksumLen) {
62 calc->addBuffer(buf, bufLen);
63 return calc->writeChecksum(outputChecksum, outputChecksumLen);
64 }
65
validate(ChecksumCalculator * calc,void * buf,size_t bufLen,void * checksum,size_t checksumLen)66 bool ChecksumCalculatorThreadInfo::validate(ChecksumCalculator* calc,
67 void* buf,
68 size_t bufLen,
69 void* checksum,
70 size_t checksumLen) {
71 calc->addBuffer(buf, bufLen);
72 return calc->validate(checksum, checksumLen);
73 }
74
validOrDie(ChecksumCalculator * calc,void * buf,size_t bufLen,void * checksum,size_t checksumLen,const char * message)75 void ChecksumCalculatorThreadInfo::validOrDie(ChecksumCalculator* calc,
76 void* buf,
77 size_t bufLen,
78 void* checksum,
79 size_t checksumLen,
80 const char* message) {
81 if (!validate(calc, buf, bufLen, checksum, checksumLen)) {
82 emugl::emugl_crash_reporter(message);
83 }
84 }
85