5.23

1 files changed, 0 insertions, 281 deletions

diff --git a/RealtimeSync/monitor.cpp b/RealtimeSync/monitor.cpp
deleted file mode 100644
index 88536281..00000000
--- a/RealtimeSync/monitor.cpp
+++ /dev/null
@@ -1,281 +0,0 @@
-// **************************************************************************
-// * This file is part of the FreeFileSync project. It is distributed under *
-// * GNU General Public License: http://www.gnu.org/licenses/gpl.html       *
-// * Copyright (C) Zenju (zenju AT gmx DOT de) - All Rights Reserved        *
-// **************************************************************************
-
-#include "monitor.h"
-#include <ctime>
-#include <set>
-#include <zen/file_handling.h>
-#include <zen/dir_watcher.h>
-#include <zen/thread.h>
-#include <zen/tick_count.h>
-#include <wx/utils.h>
-#include "../lib/resolve_path.h"
-//#include "../library/db_file.h"     //SYNC_DB_FILE_ENDING -> complete file too much of a dependency; file ending too little to decouple into single header
-//#include "../library/lock_holder.h" //LOCK_FILE_ENDING
-
-using namespace zen;
-
-
-namespace
-{
-const int CHECK_DIR_INTERVAL = 1; //unit: [s]
-
-
-std::vector<Zstring> getFormattedDirs(const std::vector<Zstring>& dirs) //throw FileError
-{
-    std::set<Zstring, LessFilename> tmp; //make unique
-
-    std::transform(dirs.begin(), dirs.end(), std::inserter(tmp, tmp.end()),
-    [](const Zstring& dirnameNonFmt) { return getFormattedDirectoryName(dirnameNonFmt); });
-
-    return std::vector<Zstring>(tmp.begin(), tmp.end());
-}
-
-
-//wait until changes are detected or if a directory is not available (anymore)
-struct WaitResult
-{
-    enum ChangeType
-    {
-        CHANGE_DETECTED,
-        CHANGE_DIR_MISSING
-    };
-
-    WaitResult(const zen::DirWatcher::Entry& changedItem) : type(CHANGE_DETECTED), changedItem_(changedItem) {}
-    WaitResult(const Zstring& dirname) : type(CHANGE_DIR_MISSING), dirname_(dirname) {}
-
-    ChangeType type;
-    zen::DirWatcher::Entry changedItem_; //for type == CHANGE_DETECTED: file or directory
-    Zstring dirname_;                    //for type == CHANGE_DIR_MISSING
-};
-
-
-WaitResult waitForChanges(const std::vector<Zstring>& dirNamesNonFmt, //throw FileError
-                          const std::function<void(bool)>& onRefreshGui)  //bool: readyForSync
-{
-    const std::vector<Zstring> dirNamesFmt = getFormattedDirs(dirNamesNonFmt); //throw FileError
-    if (dirNamesFmt.empty()) //pathological case, but we have to check else this function will wait endlessly
-        throw zen::FileError(_("A folder input field is empty.")); //should have been checked by caller!
-
-    //detect when volumes are removed/are not available anymore
-    std::vector<std::pair<Zstring, std::shared_ptr<DirWatcher>>> watches;
-
-    for (auto it = dirNamesFmt.begin(); it != dirNamesFmt.end(); ++it)
-    {
-        const Zstring& dirnameFmt = *it;
-        try
-        {
-            //a non-existent network path may block, so check existence asynchronously!
-            auto ftDirExists = async([=] { return zen::dirExists(dirnameFmt); });
-            //we need to check dirExists(), not somethingExists(): it's not clear if DirWatcher detects a type clash (file instead of directory!)
-            while (!ftDirExists.timed_wait(boost::posix_time::milliseconds(rts::UI_UPDATE_INTERVAL / 2)))
-                onRefreshGui(false); //may throw!
-            if (!ftDirExists.get())
-                return WaitResult(dirnameFmt);
-
-            watches.push_back(std::make_pair(dirnameFmt, std::make_shared<DirWatcher>(dirnameFmt))); //throw FileError
-        }
-        catch (FileError&)
-        {
-            if (!somethingExists(dirnameFmt)) //a benign(?) race condition with FileError
-                return WaitResult(dirnameFmt);
-            throw;
-        }
-    }
-
-    const std::int64_t TICKS_DIR_CHECK_INTERVAL = CHECK_DIR_INTERVAL * ticksPerSec(); //0 on error
-    TickVal lastCheck = getTicks(); //0 on error
-    while (true)
-    {
-        const bool checkDirExistNow = [&]() -> bool //checking once per sec should suffice
-        {
-            const TickVal now = getTicks(); //0 on error
-            if (dist(lastCheck, now) >= TICKS_DIR_CHECK_INTERVAL)
-            {
-                lastCheck = now;
-                return true;
-            }
-            return false;
-        }();
-
-
-        for (auto it = watches.begin(); it != watches.end(); ++it)
-        {
-            const Zstring& dirname = it->first;
-            DirWatcher& watcher = *(it->second);
-
-            //IMPORTANT CHECK: dirwatcher has problems detecting removal of top watched directories!
-            if (checkDirExistNow)
-                if (!dirExists(dirname)) //catch errors related to directory removal, e.g. ERROR_NETNAME_DELETED -> somethingExists() is NOT sufficient here!
-                    return WaitResult(dirname);
-            try
-            {
-                std::vector<DirWatcher::Entry> changedItems = watcher.getChanges([&] { onRefreshGui(false); /*may throw!*/ }); //throw FileError
-
-                //remove to be ignored changes
-                vector_remove_if(changedItems, [](const DirWatcher::Entry& e)
-                {
-                    return endsWith(e.filename_, Zstr(".ffs_lock")) || //sync.ffs_lock, sync.Del.ffs_lock
-                           endsWith(e.filename_, Zstr(".ffs_db"));     //sync.ffs_db, .sync.tmp.ffs_db
-                    //no need to ignore temporal recycle bin directory: this must be caused by a file deletion anyway
-                });
-
-                if (!changedItems.empty())
-                {
-                    /*
-                                    std::for_each(changedItems.begin(), changedItems.end(),
-                                    [](const Zstring& fn) { wxMessageBox(toWx(fn));});
-                    */
-                    return WaitResult(changedItems[0]); //directory change detected
-                }
-
-            }
-            catch (FileError&)
-            {
-                if (!somethingExists(dirname)) //a benign(?) race condition with FileError
-                    return WaitResult(dirname);
-                throw;
-            }
-        }
-
-        boost::this_thread::sleep(boost::posix_time::milliseconds(rts::UI_UPDATE_INTERVAL / 2));
-        onRefreshGui(true); //throw ?: may start sync at this presumably idle time
-    }
-}
-
-
-//wait until all directories become available (again) + logs in network share
-void waitForMissingDirs(const std::vector<Zstring>& dirNamesNonFmt, //throw FileError
-                        const std::function<void(const Zstring&)>& onRefreshGui) //Zstring: the directory that is currently being waited for
-{
-    while (true)
-    {
-        //support specifying volume by name => call getFormattedDirectoryName() repeatedly
-        const std::vector<Zstring>& dirNamesFmt = getFormattedDirs(dirNamesNonFmt); //throw FileError
-
-        bool allExisting = true;
-        for (auto it = dirNamesFmt.begin(); it != dirNamesFmt.end(); ++it)
-        {
-            const Zstring dirnameFmt = *it;
-            auto ftDirExisting = async([=]() -> bool
-            {
-#ifdef ZEN_WIN
-                //1. login to network share, if necessary -> we probably do NOT want multiple concurrent runs: GUI!?
-                loginNetworkShare(dirnameFmt, false); //login networks shares, no PW prompt -> is this really RTS's job?
-#endif
-                //2. check dir existence
-                return zen::dirExists(dirnameFmt);
-            });
-            while (!ftDirExisting.timed_wait(boost::posix_time::milliseconds(rts::UI_UPDATE_INTERVAL / 2)))
-                onRefreshGui(dirnameFmt); //may throw!
-
-            if (!ftDirExisting.get())
-            {
-                allExisting = false;
-                //wait some time...
-                const int refreshInterval = rts::UI_UPDATE_INTERVAL / 2;
-                assert_static(CHECK_DIR_INTERVAL * 1000 % refreshInterval == 0);
-                for (int i = 0; i < CHECK_DIR_INTERVAL * 1000 / refreshInterval; ++i)
-                {
-                    onRefreshGui(dirnameFmt); //may throw!
-                    boost::this_thread::sleep(boost::posix_time::milliseconds(refreshInterval));
-                }
-                break;
-            }
-        }
-        if (allExisting)
-            return;
-    }
-}
-
-
-inline
-wxString toString(DirWatcher::ActionType type)
-{
-    switch (type)
-    {
-        case DirWatcher::ACTION_CREATE:
-            return L"CREATE";
-        case DirWatcher::ACTION_UPDATE:
-            return L"UPDATE";
-        case DirWatcher::ACTION_DELETE:
-            return L"DELETE";
-    }
-    return L"ERROR";
-}
-
-struct ExecCommandNowException {};
-}
-
-
-void rts::monitorDirectories(const std::vector<Zstring>& dirNamesNonFmt, unsigned int delay, rts::MonitorCallback& callback)
-{
-    if (dirNamesNonFmt.empty())
-    {
-        assert(false);
-        return;
-    }
-
-    auto execMonitoring = [&] //throw FileError
-    {
-        callback.setPhase(MonitorCallback::MONITOR_PHASE_WAITING);
-        waitForMissingDirs(dirNamesNonFmt, [&](const Zstring& dirname) { callback.requestUiRefresh(); }); //throw FileError
-        callback.setPhase(MonitorCallback::MONITOR_PHASE_ACTIVE);
-
-        //schedule initial execution (*after* all directories have arrived, which could take some time which we don't want to include)
-        time_t nextExecDate = std::time(nullptr) + delay;
-
-        while (true) //loop over command invocations
-        {
-            DirWatcher::Entry lastChangeDetected;
-            try
-            {
-                while (true) //loop over detected changes
-                {
-                    //wait for changes (and for all directories to become available)
-                    WaitResult res = waitForChanges(dirNamesNonFmt, [&](bool readyForSync) //throw FileError, ExecCommandNowException
-                    {
-                        if (readyForSync)
-                            if (nextExecDate <= std::time(nullptr))
-                                throw ExecCommandNowException(); //abort wait and start sync
-                        callback.requestUiRefresh();
-                    });
-                    switch (res.type)
-                    {
-                        case WaitResult::CHANGE_DIR_MISSING: //don't execute the command before all directories are available!
-                            callback.setPhase(MonitorCallback::MONITOR_PHASE_WAITING);
-                            waitForMissingDirs(dirNamesNonFmt, [&](const Zstring& dirname) { callback.requestUiRefresh(); }); //throw FileError
-                            callback.setPhase(MonitorCallback::MONITOR_PHASE_ACTIVE);
-                            break;
-
-                        case WaitResult::CHANGE_DETECTED:
-                            lastChangeDetected = res.changedItem_;
-                            break;
-                    }
-                    nextExecDate = std::time(nullptr) + delay;
-                }
-            }
-            catch (ExecCommandNowException&) {}
-
-            ::wxSetEnv(L"change_path", utfCvrtTo<wxString>(lastChangeDetected.filename_)); //some way to output what file changed to the user
-            ::wxSetEnv(L"change_action", toString(lastChangeDetected.action_)); //
-
-            //execute command
-            callback.executeExternalCommand();
-            nextExecDate = std::numeric_limits<time_t>::max();
-        }
-    };
-
-    while (true)
-        try
-        {
-            execMonitoring(); //throw FileError
-        }
-        catch (const zen::FileError& e)
-        {
-            callback.reportError(e.toString());
-        }
-}