diff options
Diffstat (limited to 'launcher/filelink')
-rw-r--r-- | launcher/filelink/FileLink.cpp | 134 | ||||
-rw-r--r-- | launcher/filelink/FileLink.h | 6 |
2 files changed, 115 insertions, 25 deletions
diff --git a/launcher/filelink/FileLink.cpp b/launcher/filelink/FileLink.cpp index 78486507..a731ecdb 100644 --- a/launcher/filelink/FileLink.cpp +++ b/launcher/filelink/FileLink.cpp @@ -23,6 +23,8 @@ #include "FileLink.h" #include "BuildConfig.h" +#include "StringUtils.h" + #include <iostream> @@ -43,6 +45,24 @@ #include <stdio.h> #endif +// Snippet from https://github.com/gulrak/filesystem#using-it-as-single-file-header + +#ifdef __APPLE__ +#include <Availability.h> // for deployment target to support pre-catalina targets without std::fs +#endif // __APPLE__ + +#if ((defined(_MSVC_LANG) && _MSVC_LANG >= 201703L) || (defined(__cplusplus) && __cplusplus >= 201703L)) && defined(__has_include) +#if __has_include(<filesystem>) && (!defined(__MAC_OS_X_VERSION_MIN_REQUIRED) || __MAC_OS_X_VERSION_MIN_REQUIRED >= 101500) +#define GHC_USE_STD_FS +#include <filesystem> +namespace fs = std::filesystem; +#endif // MacOS min version check +#endif // Other OSes version check + +#ifndef GHC_USE_STD_FS +#include <ghc/filesystem.hpp> +namespace fs = ghc::filesystem; +#endif @@ -82,7 +102,8 @@ FileLinkApp::FileLinkApp(int &argc, char **argv) : QCoreApplication(argc, argv), parser.setApplicationDescription(QObject::tr("a batch MKLINK program for windows to be used with prismlauncher")); parser.addOptions({ - {{"s", "server"}, "Join the specified server on launch", "pipe name"} + {{"s", "server"}, "Join the specified server on launch", "pipe name"}, + {{"H", "hard"}, "use hard links insted of symbolic", "true/false"} }); parser.addHelpOption(); parser.addVersionOption(); @@ -90,6 +111,7 @@ FileLinkApp::FileLinkApp(int &argc, char **argv) : QCoreApplication(argc, argv), parser.process(arguments()); QString serverToJoin = parser.value("server"); + m_useHardLinks = QVariant(parser.value("hard")).toBool(); qDebug() << "link program launched"; @@ -109,7 +131,7 @@ void FileLinkApp::joinServer(QString server) blockSize = 0; in.setDevice(&socket); - in.setVersion(QDataStream::Qt_5_15); + in.setVersion(QDataStream::Qt_5_0); connect(&socket, &QLocalSocket::connected, this, [&](){ qDebug() << "connected to server"; @@ -120,25 +142,27 @@ void FileLinkApp::joinServer(QString server) connect(&socket, &QLocalSocket::errorOccurred, this, [&](QLocalSocket::LocalSocketError socketError){ switch (socketError) { case QLocalSocket::ServerNotFoundError: - qDebug() << tr("The host was not found. Please make sure " - "that the server is running and that the " - "server name is correct."); + qDebug() << ("The host was not found. Please make sure " + "that the server is running and that the " + "server name is correct."); break; case QLocalSocket::ConnectionRefusedError: - qDebug() << tr("The connection was refused by the peer. " - "Make sure the server is running, " - "and check that the server name " - "is correct."); + qDebug() << ("The connection was refused by the peer. " + "Make sure the server is running, " + "and check that the server name " + "is correct."); break; case QLocalSocket::PeerClosedError: + qDebug() << ("The connection was closed by the peer. "); break; default: - qDebug() << tr("The following error occurred: %1.").arg(socket.errorString()); + qDebug() << "The following error occurred: " << socket.errorString(); } }); connect(&socket, &QLocalSocket::disconnected, this, [&](){ - qDebug() << "dissconnected from server"; + qDebug() << "dissconnected from server, should exit"; + exit(); }); socket.connectToServer(server); @@ -147,20 +171,82 @@ void FileLinkApp::joinServer(QString server) } void FileLinkApp::runLink() +{ + + std::error_code os_err; + + qDebug() << "creating links"; + + for (auto link : m_links_to_make) { + + QString src_path = link.src; + QString dst_path = link.dst; + + FS::ensureFilePathExists(dst_path); + if (m_useHardLinks) { + qDebug() << "making hard link:" << src_path << "to" << dst_path; + fs::create_hard_link(StringUtils::toStdString(src_path), StringUtils::toStdString(dst_path), os_err); + } else if (fs::is_directory(StringUtils::toStdString(src_path))) { + qDebug() << "making directory_symlink:" << src_path << "to" << dst_path; + fs::create_directory_symlink(StringUtils::toStdString(src_path), StringUtils::toStdString(dst_path), os_err); + } else { + qDebug() << "making symlink:" << src_path << "to" << dst_path; + fs::create_symlink(StringUtils::toStdString(src_path), StringUtils::toStdString(dst_path), os_err); + } + + if (os_err) { + qWarning() << "Failed to link files:" << QString::fromStdString(os_err.message()); + qDebug() << "Source file:" << src_path; + qDebug() << "Destination file:" << dst_path; + qDebug() << "Error catagory:" << os_err.category().name(); + qDebug() << "Error code:" << os_err.value(); + + FS::LinkResult result = {src_path, dst_path, QString::fromStdString(os_err.message()), os_err.value()}; + m_path_results.append(result); + } else { + FS::LinkResult result = {src_path, dst_path}; + m_path_results.append(result); + } + } + + sendResults(); + qDebug() << "done, should exit soon"; + +} + +void FileLinkApp::sendResults() { - qDebug() << "creating link"; - FS::create_link lnk(m_path_pairs); - lnk.debug(true); - if (!lnk()) { - qDebug() << "Link Failed!" << lnk.getOSError().value() << lnk.getOSError().message().c_str(); + // construct block of data to send + QByteArray block; + QDataStream out(&block, QIODevice::WriteOnly); + out.setVersion(QDataStream::Qt_5_0); + + qint32 blocksize = quint32(sizeof(quint32)); + for (auto result : m_path_results) { + blocksize += quint32(result.src.size()); + blocksize += quint32(result.dst.size()); + blocksize += quint32(result.err_msg.size()); + blocksize += quint32(sizeof(quint32)); } - //exit(); - qDebug() << "done, should exit"; + qDebug() << "About to write block of size:" << blocksize; + out << blocksize; + + out << quint32(m_path_results.length()); + for (auto result : m_path_results) { + out << result.src; + out << result.dst; + out << result.err_msg; + out << quint32(result.err_value); + } + + qint64 byteswritten = socket.write(block); + bool bytesflushed = socket.flush(); + qDebug() << "block flushed" << byteswritten << bytesflushed; } void FileLinkApp::readPathPairs() { - m_path_pairs.clear(); + m_links_to_make.clear(); qDebug() << "Reading path pairs from server"; qDebug() << "bytes avalible" << socket.bytesAvailable(); if (blockSize == 0) { @@ -176,16 +262,16 @@ void FileLinkApp::readPathPairs() if (socket.bytesAvailable() < blockSize || in.atEnd()) return; - quint32 numPairs; - in >> numPairs; - qDebug() << "numPairs" << numPairs; + quint32 numLinks; + in >> numLinks; + qDebug() << "numLinks" << numLinks; - for(int i = 0; i < numPairs; i++) { + for(int i = 0; i < numLinks; i++) { FS::LinkPair pair; in >> pair.src; in >> pair.dst; qDebug() << "link" << pair.src << "to" << pair.dst; - m_path_pairs.append(pair); + m_links_to_make.append(pair); } runLink(); diff --git a/launcher/filelink/FileLink.h b/launcher/filelink/FileLink.h index 5d0ba123..d146b8d9 100644 --- a/launcher/filelink/FileLink.h +++ b/launcher/filelink/FileLink.h @@ -52,13 +52,17 @@ private: void joinServer(QString server); void readPathPairs(); void runLink(); + void sendResults(); + + bool m_useHardLinks = false; QDateTime m_startTime; QLocalSocket socket; QDataStream in; quint32 blockSize; - QList<FS::LinkPair> m_path_pairs; + QList<FS::LinkPair> m_links_to_make; + QList<FS::LinkResult> m_path_results; #if defined Q_OS_WIN32 // used on Windows to attach the standard IO streams |