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93 lines
2.6 KiB
93 lines
2.6 KiB
/* |
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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 "TestHelpers.h" |
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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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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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