Mercurial > hg > orthanc
view Core/Toolbox.cpp @ 95:3f9569917745
preparation for release
author | Sebastien Jodogne <s.jodogne@gmail.com> |
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date | Fri, 28 Sep 2012 15:18:39 +0200 |
parents | 8517e2c44283 |
children | 3b45473c0a73 |
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/** * Orthanc - A Lightweight, RESTful DICOM Store * Copyright (C) 2012 Medical Physics Department, CHU of Liege, * Belgium * * This program is free software: you can redistribute it and/or * modify it under the terms of the GNU General Public License as * published by the Free Software Foundation, either version 3 of the * License, or (at your option) any later version. * * This program is distributed in the hope that it will be useful, but * WITHOUT ANY WARRANTY; without even the implied warranty of * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU * General Public License for more details. * * You should have received a copy of the GNU General Public License * along with this program. If not, see <http://www.gnu.org/licenses/>. **/ #include "Toolbox.h" #include "OrthancException.h" #include <string.h> #include <boost/filesystem.hpp> #include <boost/filesystem/fstream.hpp> #include <algorithm> #if defined(_WIN32) #include <windows.h> #endif #if defined(__APPLE__) && defined(__MACH__) #include <mach-o/dyld.h> /* _NSGetExecutablePath */ #include <limits.h> /* PATH_MAX */ #endif #if defined(__linux) #include <limits.h> /* PATH_MAX */ #include <signal.h> #include <unistd.h> #endif #include "../Resources/md5/md5.h" #include "../Resources/base64/base64.h" namespace Orthanc { static bool finish; #if defined(_WIN32) static BOOL WINAPI ConsoleControlHandler(DWORD dwCtrlType) { // http://msdn.microsoft.com/en-us/library/ms683242(v=vs.85).aspx finish = true; return true; } #else static void SignalHandler(int) { finish = true; } #endif void Toolbox::Sleep(uint32_t seconds) { #if defined(_WIN32) ::Sleep(static_cast<DWORD>(seconds) * static_cast<DWORD>(1000)); #elif defined(__linux) usleep(static_cast<uint64_t>(seconds) * static_cast<uint64_t>(1000000)); #else #error Support your platform here #endif } void Toolbox::USleep(uint64_t microSeconds) { #if defined(_WIN32) ::Sleep(static_cast<DWORD>(microSeconds / static_cast<uint64_t>(1000))); #elif defined(__linux) usleep(microSeconds); #else #error Support your platform here #endif } void Toolbox::ServerBarrier() { #if defined(_WIN32) SetConsoleCtrlHandler(ConsoleControlHandler, true); #else signal(SIGINT, SignalHandler); signal(SIGQUIT, SignalHandler); #endif finish = false; while (!finish) { USleep(100000); } #if defined(_WIN32) SetConsoleCtrlHandler(ConsoleControlHandler, false); #else signal(SIGINT, NULL); signal(SIGQUIT, NULL); #endif } void Toolbox::ToUpperCase(std::string& s) { std::transform(s.begin(), s.end(), s.begin(), toupper); } void Toolbox::ToLowerCase(std::string& s) { std::transform(s.begin(), s.end(), s.begin(), tolower); } void Toolbox::ReadFile(std::string& content, const std::string& path) { boost::filesystem::ifstream f; f.open(path, std::ifstream::in | std::ios::binary); if (!f.good()) { throw OrthancException("Unable to open a file"); } // http://www.cplusplus.com/reference/iostream/istream/tellg/ f.seekg(0, std::ios::end); std::streamsize size = f.tellg(); f.seekg(0, std::ios::beg); content.resize(size); if (size != 0) { f.read(reinterpret_cast<char*>(&content[0]), size); } f.close(); } void Toolbox::RemoveFile(const std::string& path) { if (boost::filesystem::exists(path)) { if (boost::filesystem::is_regular_file(path)) boost::filesystem::remove(path); else throw OrthancException("The path is not a regular file: " + path); } } void Toolbox::SplitUriComponents(UriComponents& components, const std::string& uri) { static const char URI_SEPARATOR = '/'; components.clear(); if (uri.size() == 0 || uri[0] != URI_SEPARATOR) { throw OrthancException(ErrorCode_UriSyntax); } // Count the number of slashes in the URI to make an assumption // about the number of components in the URI unsigned int estimatedSize = 0; for (unsigned int i = 0; i < uri.size(); i++) { if (uri[i] == URI_SEPARATOR) estimatedSize++; } components.reserve(estimatedSize - 1); unsigned int start = 1; unsigned int end = 1; while (end < uri.size()) { // This is the loop invariant assert(uri[start - 1] == '/' && (end >= start)); if (uri[end] == '/') { components.push_back(std::string(&uri[start], end - start)); end++; start = end; } else { end++; } } if (start < uri.size()) { components.push_back(std::string(&uri[start], end - start)); } } bool Toolbox::IsChildUri(const UriComponents& baseUri, const UriComponents& testedUri) { if (testedUri.size() < baseUri.size()) { return false; } for (size_t i = 0; i < baseUri.size(); i++) { if (baseUri[i] != testedUri[i]) return false; } return true; } std::string Toolbox::AutodetectMimeType(const std::string& path) { std::string contentType; size_t lastDot = path.rfind('.'); size_t lastSlash = path.rfind('/'); if (lastDot == std::string::npos || (lastSlash != std::string::npos && lastDot < lastSlash)) { // No trailing dot, unable to detect the content type } else { const char* extension = &path[lastDot + 1]; // http://en.wikipedia.org/wiki/Mime_types // Text types if (!strcmp(extension, "txt")) contentType = "text/plain"; else if (!strcmp(extension, "html")) contentType = "text/html"; else if (!strcmp(extension, "xml")) contentType = "text/xml"; else if (!strcmp(extension, "css")) contentType = "text/css"; // Application types else if (!strcmp(extension, "js")) contentType = "application/javascript"; else if (!strcmp(extension, "json")) contentType = "application/json"; else if (!strcmp(extension, "pdf")) contentType = "application/pdf"; // Images types else if (!strcmp(extension, "jpg") || !strcmp(extension, "jpeg")) contentType = "image/jpeg"; else if (!strcmp(extension, "gif")) contentType = "image/gif"; else if (!strcmp(extension, "png")) contentType = "image/png"; } return contentType; } std::string Toolbox::FlattenUri(const UriComponents& components, size_t fromLevel) { if (components.size() <= fromLevel) { return "/"; } else { std::string r; for (size_t i = fromLevel; i < components.size(); i++) { r += "/" + components[i]; } return r; } } uint64_t Toolbox::GetFileSize(const std::string& path) { try { return static_cast<uint64_t>(boost::filesystem::file_size(path)); } catch (boost::filesystem::filesystem_error) { throw OrthancException(ErrorCode_InexistentFile); } } static char GetHexadecimalCharacter(uint8_t value) { assert(value < 16); if (value < 10) return value + '0'; else return (value - 10) + 'a'; } void Toolbox::ComputeMD5(std::string& result, const std::string& data) { md5_state_s state; md5_init(&state); if (data.size() > 0) { md5_append(&state, reinterpret_cast<const md5_byte_t*>(&data[0]), static_cast<int>(data.size())); } md5_byte_t actualHash[16]; md5_finish(&state, actualHash); result.resize(32); for (unsigned int i = 0; i < 16; i++) { result[2 * i] = GetHexadecimalCharacter(actualHash[i] / 16); result[2 * i + 1] = GetHexadecimalCharacter(actualHash[i] % 16); } } std::string Toolbox::EncodeBase64(const std::string& data) { return base64_encode(data); } #if defined(_WIN32) std::string Toolbox::GetPathToExecutable() { // Yes, this is ugly, but there is no simple way to get the // required buffer size, so we use a big constant std::vector<char> buffer(32768); /*int bytes =*/ GetModuleFileNameA(NULL, &buffer[0], static_cast<DWORD>(buffer.size() - 1)); return std::string(&buffer[0]); } #elif defined(__linux) std::string Toolbox::GetPathToExecutable() { std::vector<char> buffer(PATH_MAX + 1); ssize_t bytes = readlink("/proc/self/exe", &buffer[0], buffer.size() - 1); if (bytes == 0) { throw OrthancException("Unable to get the path to the executable"); } return std::string(&buffer[0]); } #elif defined(__APPLE__) && defined(__MACH__) std::string Toolbox::GetPathToExecutable() { char pathbuf[PATH_MAX + 1]; unsigned int bufsize = static_cast<int>(sizeof(pathbuf)); _NSGetExecutablePath( pathbuf, &bufsize); return std::string(pathbuf); } #else #error Support your platform here #endif std::string Toolbox::GetDirectoryOfExecutable() { boost::filesystem::path p(GetPathToExecutable()); return p.parent_path().string(); } }