94 lines
2.6 KiB
C++
94 lines
2.6 KiB
C++
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/*
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* Copyright (C) 2015 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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#define LOG_TAG "TestHelpers"
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#define LOG_NDEBUG 0
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#include <dirent.h>
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#include <fcntl.h>
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#include <stdlib.h>
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#include <sys/stat.h>
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#include <sys/types.h>
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#include <unistd.h>
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#include <utils/Log.h>
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#include "TestHelpers.h"
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namespace android {
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static const char kTmpDirTemplate[] = "/data/local/tmp/XXXXXX";
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TempFile::TempFile(const char* path) {
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bool needTrailingSlash = path[strlen(path) - 1] != '/';
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// name = path + XXXXXX + \0
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size_t nameLen = strlen(path) + 6 + 1;
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if (needTrailingSlash) nameLen++;
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mName = new char[nameLen];
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strcpy(mName, path);
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if (needTrailingSlash) {
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strcat(mName, "/");
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}
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strcat(mName, "XXXXXX");
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mName = mktemp(mName);
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LOG_FATAL_IF(mName == nullptr, "could not create temp filename %s. errno=%d", mName, errno);
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int result = TEMP_FAILURE_RETRY(mkfifo(mName, S_IRWXU));
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LOG_FATAL_IF(result < 0, "could not create fifo %s. errno=%d", mName, errno);
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mFd = TEMP_FAILURE_RETRY(open(mName, O_RDWR | O_NONBLOCK));
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LOG_FATAL_IF(mFd < 0, "could not open fifo %s. errno=%d", mName, errno);
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}
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TempFile::~TempFile() {
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if (unlink(mName) < 0) {
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ALOGE("could not unlink %s. errno=%d", mName, errno);
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}
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if (close(mFd) < 0) {
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ALOGE("could not close %d. errno=%d", mFd, errno);
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}
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delete[] mName;
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}
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TempDir::TempDir() {
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mName = new char[sizeof(kTmpDirTemplate)];
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strcpy(mName, kTmpDirTemplate);
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mName = mkdtemp(mName);
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LOG_FATAL_IF(mName == nullptr, "could not allocate tempdir %s", mName);
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}
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TempDir::~TempDir() {
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auto tmpDir = opendir(mName);
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while (auto entry = readdir(tmpDir)) {
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if (strcmp(entry->d_name, ".") == 0 ||
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strcmp(entry->d_name, "..") == 0) {
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continue;
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}
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ALOGD("stale file %s, removing", entry->d_name);
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unlink(entry->d_name);
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}
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closedir(tmpDir);
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rmdir(mName);
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delete mName;
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}
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TempFile* TempDir::newTempFile() {
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return new TempFile(mName);
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}
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} // namespace android
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