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author | Petr Mrázek <peterix@gmail.com> | 2015-06-07 21:10:18 +0200 |
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committer | Petr Mrázek <peterix@gmail.com> | 2015-06-07 21:10:18 +0200 |
commit | 6d7bff2476459049f4f554291a680e0f6003ea66 (patch) | |
tree | 4202e9f1cd843197648fec93b48a5bc88407dc2e /mmc_updater/src/FileUtils.cpp | |
parent | 977e11ef8d6780b173ad5ca6d13e29e721d0c6a0 (diff) | |
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GH-1060 remove updater code
Diffstat (limited to 'mmc_updater/src/FileUtils.cpp')
-rw-r--r-- | mmc_updater/src/FileUtils.cpp | 517 |
1 files changed, 0 insertions, 517 deletions
diff --git a/mmc_updater/src/FileUtils.cpp b/mmc_updater/src/FileUtils.cpp deleted file mode 100644 index 712c0c5d..00000000 --- a/mmc_updater/src/FileUtils.cpp +++ /dev/null @@ -1,517 +0,0 @@ -#include "FileUtils.h" - -#include "DirIterator.h" -#include "Log.h" -#include "Platform.h" -#include "StringUtils.h" - -#include <algorithm> -#include <assert.h> -#include <string.h> -#include <fstream> -#include <iostream> -// this actually works with mingw32, which we use. -#include <libgen.h> - -#ifdef PLATFORM_UNIX -#include <unistd.h> -#include <stdio.h> -#include <fcntl.h> -#include <sys/types.h> -#include <sys/time.h> -#include <sys/stat.h> -#include <errno.h> -#endif - -FileUtils::IOException::IOException(const std::string& error) -{ - init(errno,error); -} - -FileUtils::IOException::IOException(int errorCode, const std::string& error) -{ - init(errorCode,error); -} - -void FileUtils::IOException::init(int errorCode, const std::string& error) -{ - m_error = error; - -#ifdef PLATFORM_UNIX - m_errorCode = errorCode; - - if (m_errorCode > 0) - { - m_error += " details: " + std::string(strerror(m_errorCode)); - } -#endif - -#ifdef PLATFORM_WINDOWS - m_errorCode = 0; - m_error += " GetLastError returned: " + intToStr(GetLastError()); -#endif -} - -FileUtils::IOException::~IOException() throw () -{ -} - -FileUtils::IOException::Type FileUtils::IOException::type() const -{ -#ifdef PLATFORM_UNIX - switch (m_errorCode) - { - case 0: - return NoError; - case EROFS: - return ReadOnlyFileSystem; - case ENOSPC: - return DiskFull; - default: - return Unknown; - } -#else - return Unknown; -#endif -} - -bool FileUtils::fileExists(const char* path) throw (IOException) -{ -#ifdef PLATFORM_UNIX - struct stat fileInfo; - if (lstat(path,&fileInfo) != 0) - { - if (errno == ENOENT) - { - return false; - } - else - { - throw IOException("Error checking for file " + std::string(path)); - } - } - return true; -#else - DWORD result = GetFileAttributes(path); - if (result == INVALID_FILE_ATTRIBUTES) - { - return false; - } - return true; -#endif -} - -int FileUtils::fileMode(const char* path) throw (IOException) -{ -#ifdef PLATFORM_UNIX - struct stat fileInfo; - if (stat(path,&fileInfo) != 0) - { - throw IOException("Error reading file permissions for " + std::string(path)); - } - return fileInfo.st_mode; -#else - // not implemented for Windows - return 0; -#endif -} - -void FileUtils::chmod(const char* path, int mode) throw (IOException) -{ -#ifdef PLATFORM_UNIX - if (::chmod(path,static_cast<mode_t>(mode)) != 0) - { - throw IOException("Failed to set permissions on " + std::string(path) + " to " + intToStr(mode)); - } -#else - // TODO - Not implemented under Windows - all files - // get default permissions -#endif -} - -void FileUtils::moveFile(const char* src, const char* dest) throw (IOException) -{ -#ifdef PLATFORM_UNIX - if (rename(src,dest) != 0) - { - throw IOException("Unable to rename " + std::string(src) + " to " + std::string(dest)); - } -#else - if (!MoveFile(src,dest)) - { - throw IOException("Unable to rename " + std::string(src) + " to " + std::string(dest)); - } -#endif -} - -void FileUtils::mkpath(const char* dir) throw (IOException) -{ - std::string currentPath; - std::istringstream stream(dir); - while (!stream.eof()) - { - std::string segment; - std::getline(stream,segment,'/'); - currentPath += segment; - if (!currentPath.empty() && !fileExists(currentPath.c_str())) - { - mkdir(currentPath.c_str()); - } - currentPath += '/'; - } -} - -void FileUtils::mkdir(const char* dir) throw (IOException) -{ -#ifdef PLATFORM_UNIX - if (::mkdir(dir,S_IRWXU | S_IRGRP | S_IXGRP | S_IROTH | S_IXOTH) != 0) - { - throw IOException("Unable to create directory " + std::string(dir)); - } -#else - if (!CreateDirectory(dir,0 /* default security attributes */)) - { - throw IOException("Unable to create directory " + std::string(dir)); - } -#endif -} - -void FileUtils::rmdir(const char* dir) throw (IOException) -{ -#ifdef PLATFORM_UNIX - if (::rmdir(dir) != 0) - { - throw IOException("Unable to remove directory " + std::string(dir)); - } -#else - if (!RemoveDirectory(dir)) - { - throw IOException("Unable to remove directory " + std::string(dir)); - } -#endif -} - -void FileUtils::createSymLink(const char* link, const char* target) throw (IOException) -{ -#ifdef PLATFORM_UNIX - if (symlink(target,link) != 0) - { - throw IOException("Unable to create symlink " + std::string(link) + " to " + std::string(target)); - } -#else - // symlinks are not supported under Windows (at least, not universally. - // Windows Vista and later do actually support symlinks) - LOG(Warn,"Skipping symlink creation - not implemented in Windows"); -#endif -} - -void FileUtils::removeFile(const char* src) throw (IOException) -{ -#ifdef PLATFORM_UNIX - if (unlink(src) != 0) - { - if (errno != ENOENT) - { - throw IOException("Unable to remove file " + std::string(src)); - } - } -#else - if (!DeleteFile(src)) - { - if (GetLastError() == ERROR_ACCESS_DENIED) - { - // if another process is using the file, try moving it to - // a temporary directory and then - // scheduling it for deletion on reboot - std::string tempDeletePathBase = tempPath(); - tempDeletePathBase += '/'; - tempDeletePathBase += fileName(src); - - int suffix = 0; - std::string tempDeletePath = tempDeletePathBase; - while (fileExists(tempDeletePath.c_str())) - { - ++suffix; - tempDeletePath = tempDeletePathBase + '_' + intToStr(suffix); - } - - LOG(Warn,"Unable to remove file " + std::string(src) + " - it may be in use. Moving to " - + tempDeletePath + " and scheduling delete on reboot."); - moveFile(src,tempDeletePath.c_str()); - MoveFileEx(tempDeletePath.c_str(),0,MOVEFILE_DELAY_UNTIL_REBOOT); - } - else if (GetLastError() != ERROR_FILE_NOT_FOUND) - { - throw IOException("Unable to remove file " + std::string(src)); - } - } -#endif -} - -std::string FileUtils::fileName(const char* path) -{ - char* pathCopy = strdup(path); - std::string basename = ::basename(pathCopy); - free(pathCopy); - return basename; -} - -std::string FileUtils::dirname(const char* path) -{ - char* pathCopy = strdup(path); - std::string dirname = ::dirname(pathCopy); - free(pathCopy); - return dirname; -} - -void FileUtils::touch(const char* path) throw (IOException) -{ -#ifdef PLATFORM_UNIX - // see http://pubs.opengroup.org/onlinepubs/9699919799/utilities/touch.html - // - // we use utimes/futimes instead of utimensat/futimens for compatibility - // with older Linux and Mac - - if (fileExists(path)) - { - utimes(path,0 /* use current date/time */); - } - else - { - int fd = creat(path,S_IRUSR | S_IWUSR | S_IRGRP | S_IWGRP | S_IROTH | S_IWOTH); - if (fd != -1) - { - futimes(fd,0 /* use current date/time */); - close(fd); - } - else - { - throw IOException("Unable to touch file " + std::string(path)); - } - } -#else - HANDLE result = CreateFile(path,GENERIC_WRITE, - FILE_SHARE_READ | FILE_SHARE_WRITE | FILE_SHARE_DELETE, - 0, - CREATE_ALWAYS, - FILE_ATTRIBUTE_NORMAL, - 0); - if (result == INVALID_HANDLE_VALUE) - { - throw IOException("Unable to touch file " + std::string(path)); - } - else - { - CloseHandle(result); - } -#endif -} - -void FileUtils::rmdirRecursive(const char* path) throw (IOException) -{ - // remove dir contents - DirIterator dir(path); - while (dir.next()) - { - std::string name = dir.fileName(); - if (name != "." && name != "..") - { - if (dir.isDir()) - { - rmdir(dir.filePath().c_str()); - } - else - { - removeFile(dir.filePath().c_str()); - } - } - } - - // remove the directory itself - rmdir(path); -} - -std::string FileUtils::canonicalPath(const char* path) -{ -#ifdef PLATFORM_UNIX - // on Linux and Mac OS 10.6, realpath() can allocate the required - // amount of memory automatically, however Mac OS 10.5 does not support - // this, so we used a fixed-sized buffer on all platforms - char canonicalPathBuffer[PATH_MAX+1]; - if (realpath(path,canonicalPathBuffer) != 0) - { - return std::string(canonicalPathBuffer); - } - else - { - throw IOException("Error reading canonical path for " + std::string(path)); - } -#else - throw IOException("canonicalPath() not implemented"); -#endif -} - -std::string FileUtils::toWindowsPathSeparators(const std::string& str) -{ - std::string result = str; - std::replace(result.begin(),result.end(),'/','\\'); - return result; -} - -std::string FileUtils::toUnixPathSeparators(const std::string& str) -{ - std::string result = str; - std::replace(result.begin(),result.end(),'\\','/'); - return result; -} - -std::string FileUtils::tempPath() -{ -#ifdef PLATFORM_UNIX - std::string tmpDir(notNullString(getenv("TMPDIR"))); - if (tmpDir.empty()) - { - tmpDir = "/tmp"; - } - return tmpDir; -#else - char buffer[MAX_PATH+1]; - GetTempPath(MAX_PATH+1,buffer); - return toUnixPathSeparators(buffer); -#endif -} - -bool startsWithDriveLetter(const char* path) -{ - return strlen(path) >= 2 && - (isalpha(path[0])) && - path[1] == ':'; -} - -bool FileUtils::isRelative(const char* path) -{ -#ifdef PLATFORM_UNIX - return strlen(path) == 0 || path[0] != '/'; -#else - // on Windows, a path is relative if it does not start with: - // - '\\' (a UNC name) - // - '[Drive Letter]:\' - // - A single backslash - // - // the input path is assumed to have already been converted to use - // Unix-style path separators - - std::string pathStr(path); - - if ((!pathStr.empty() && pathStr.at(0) == '/') || - (startsWith(pathStr,"//")) || - (startsWithDriveLetter(pathStr.c_str()))) - { - return false; - } - else - { - return true; - } -#endif -} - -void FileUtils::writeFile(const char* path, const char* data, int length) throw (IOException) -{ - std::ofstream stream(path,std::ios::binary | std::ios::trunc); - stream.write(data,length); -} - -std::string FileUtils::readFile(const char* path) throw (IOException) -{ - std::ifstream inputFile(path, std::ios::in | std::ios::binary); - std::string content; - inputFile.seekg(0, std::ios::end); - content.resize(static_cast<unsigned int>(inputFile.tellg())); - inputFile.seekg(0, std::ios::beg); - inputFile.read(&content[0], static_cast<int>(content.size())); - return content; -} - -void FileUtils::copyFile(const char* src, const char* dest) throw (IOException) -{ -#ifdef PLATFORM_UNIX - std::ifstream inputFile(src,std::ios::binary); - std::ofstream outputFile(dest,std::ios::binary | std::ios::trunc); - - if (!inputFile.good()) - { - throw IOException("Failed to read file " + std::string(src)); - } - if (!outputFile.good()) - { - throw IOException("Failed to write file " + std::string(dest)); - } - - outputFile << inputFile.rdbuf(); - - if (inputFile.bad()) - { - throw IOException("Error reading file " + std::string(src)); - } - if (outputFile.bad()) - { - throw IOException("Error writing file " + std::string(dest)); - } - - chmod(dest,fileMode(src)); -#else - if (!CopyFile(src,dest,FALSE)) - { - throw IOException("Failed to copy " + std::string(src) + " to " + std::string(dest)); - } -#endif -} - -std::string FileUtils::makeAbsolute(const char* path, const char* basePath) -{ - if (isRelative(path)) - { - assert(!isRelative(basePath)); - return std::string(basePath) + '/' + std::string(path); - } - else - { - return path; - } -} - -void FileUtils::chdir(const char* path) throw (IOException) -{ -#ifdef PLATFORM_UNIX - if (::chdir(path) != 0) - { - throw FileUtils::IOException("Unable to change directory"); - } -#else - if (!SetCurrentDirectory(path)) - { - throw FileUtils::IOException("Unable to change directory"); - } -#endif -} - -std::string FileUtils::getcwd() throw (IOException) -{ -#ifdef PLATFORM_UNIX - char path[PATH_MAX]; - if (!::getcwd(path,PATH_MAX)) - { - throw FileUtils::IOException("Failed to get current directory"); - } - return std::string(path); -#else - char path[MAX_PATH]; - if (GetCurrentDirectory(MAX_PATH,path) == 0) - { - throw FileUtils::IOException("Failed to get current directory"); - } - return toUnixPathSeparators(std::string(path)); -#endif -} - |