+++ /dev/null
-/* === S Y N F I G ========================================================= */
-/*! \file autorecover.cpp
-** \brief Template File
-**
-** $Id$
-**
-** \legal
-** Copyright (c) 2002-2005 Robert B. Quattlebaum Jr., Adrian Bentley
-**
-** This package 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 2 of
-** the License, or (at your option) any later version.
-**
-** This package 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.
-** \endlegal
-*/
-/* ========================================================================= */
-
-/* === H E A D E R S ======================================================= */
-
-#ifdef USING_PCH
-# include "pch.h"
-#else
-#ifdef HAVE_CONFIG_H
-# include <config.h>
-#endif
-
-#include "autorecover.h"
-
-#ifdef HAVE_SYS_ERRNO_H
-#include <sys/errno.h>
-#endif
-//#include <unistd.h>
-#include "app.h"
-#include <synfig/savecanvas.h>
-#include <synfig/loadcanvas.h>
-#include <fstream>
-#include <iostream>
-#include "instance.h"
-
-#ifdef HAVE_SYS_STAT_H
-#include <sys/stat.h>
-#endif
-
-#ifdef HAVE_SYS_TIME_H
-#include <sys/time.h>
-#endif
-
-#ifdef HAVE_SYS_WAIT_H
-#include <sys/wait.h>
-#endif
-
-#ifdef HAVE_SYS_RESOURCE_H
-#include <sys/resource.h>
-#endif
-
-#ifdef HAVE_UNISTD_H
-#include <unistd.h>
-#endif
-
-#endif
-
-/* === U S I N G =========================================================== */
-
-using namespace std;
-using namespace etl;
-using namespace synfig;
-using namespace studio;
-
-/* === M A C R O S ========================================================= */
-
-#ifdef _WIN32
-#define mkdir(x,y) mkdir(x)
-#endif
-
-/* === G L O B A L S ======================================================= */
-
-/* === P R O C E D U R E S ================================================= */
-
-/* === M E T H O D S ======================================================= */
-
-AutoRecover::AutoRecover()
-{
- // Three Minutes
- set_timeout(3*60*1000);
-
- if(mkdir(get_shadow_directory().c_str(),ACCESSPERMS)<0)
- {
- if(errno!=EEXIST)
- synfig::error("UNABLE TO CREATE \"%s\"",get_shadow_directory().c_str());
- }
- else
- {
- synfig::info("Created directory \"%s\"",get_shadow_directory().c_str());
- }
-}
-
-AutoRecover::~AutoRecover()
-{
-}
-
-synfig::String
-AutoRecover::get_shadow_directory()
-{
- return Glib::build_filename(App::get_user_app_directory(),"tmp");
-}
-
-int
-AutoRecover::pid()
-{
-// return getpid();
- return 0;
-}
-
-void
-AutoRecover::set_timeout(int milliseconds)
-{
- timeout=milliseconds;
- auto_backup_connect.disconnect();
- if(timeout)
- auto_backup_connect=Glib::signal_timeout().connect(sigc::ptr_fun(&AutoRecover::auto_backup),timeout);
-// auto_backup_connect=App::main.get_context()->signal_timeout().connect(sigc::mem_fun(&AutoRecover::auto_backup),timeout);
-}
-
-synfig::String
-AutoRecover::get_shadow_file_name(const synfig::String& filename)
-{
- unsigned int hash1(0xdeadbeef);
- unsigned int hash2(0x83502529);
- char* str_hash1(reinterpret_cast<char*>(&hash1));
- char* str_hash2(reinterpret_cast<char*>(&hash2));
-
- // First we need to hash up the directory
- {
- String pool(dirname(filename));
-
- while(pool.size()>4)
- {
- str_hash1[0]^=pool[1];str_hash1[1]^=pool[2];str_hash1[2]^=pool[3];str_hash1[3]^=pool[0];
- str_hash2[3]+=pool[0];str_hash2[2]+=pool[1];str_hash2[1]+=pool[2];str_hash2[0]+=pool[3];
- swap(hash1,hash2);
- pool=String(pool,4,pool.size());
- }
- while(pool.size())
- {
- str_hash1[0]^=pool[0];
- str_hash1[2]^=pool[0];
- str_hash2[1]^=pool[0];
- str_hash2[3]^=pool[0];
- swap(hash1,hash2);
- pool=String(pool,1,pool.size());
- }
- }
- hash1^=hash2;
-
- return Glib::build_filename(get_shadow_directory(),strprintf("%08X-%s",hash1,basename(filename).c_str()));
-
-// return dirname(filename) + ETL_DIRECTORY_SEPERATOR + ".shadow_" + basename(filename);
-}
-
-bool
-AutoRecover::cleanup_pid(int pid)
-{
-#ifdef HAVE_FORK
- int status=0;
- if(waitpid(pid,&status,WNOHANG)==-1)
- {
- synfig::info("PID %d isn't a zombie yet",pid);
- return true;
- }
- if(WEXITSTATUS(status)!=0)
- {
- synfig::error("Autobackup seems to have failed! (PID=%d)",pid);
- }
- else
- synfig::info("PID=%d has been cleaned up",pid);
-#endif
- return false;
-}
-
-bool
-AutoRecover::auto_backup()
-{
- int pid(0);
-
-#ifdef HAVE_FORK
- pid=fork();
-#endif
-
- if(pid<=0)
- {
-#ifdef HAVE_SETPRIORITY
- // make us low priority so that we don't
- // cause the machine to slow down too much
- setpriority(PRIO_PROCESS,0,15);
-#endif
-
- try
- {
- std::list<etl::handle<Instance> >::iterator iter;
-
- std::string filename=App::get_config_file("autorecovery");
- std::ofstream file(filename.c_str());
-
- int savecount(0);
-
- for(iter=App::instance_list.begin();iter!=App::instance_list.end();++iter)
- {
- // If this file hasn't even been changed
- // since it was last saved, then don't bother
- // backing it up.
- if((*iter)->get_action_count()==0)
- continue;
-
- Canvas::Handle canvas((*iter)->get_canvas());
- file<<canvas->get_file_name()<<endl;
- save_canvas(get_shadow_file_name(canvas->get_file_name()),canvas);
- savecount++;
- }
-
- if(savecount)
- synfig::info("AutoRecover::auto_backup(): %d Files backed up.",savecount);
- }
- catch(...)
- {
- synfig::error("AutoRecover::auto_backup(): UNKNOWN EXCEPTION THROWN.");
- synfig::error("AutoRecover::auto_backup(): FILES NOT BACKED UP.");
- }
-
-#ifdef HAVE_FORK
- if(pid==0)
- {
- _exit(0);
- }
-#endif
- }
-
-#ifdef HAVE_FORK
- Glib::signal_timeout().connect(
- sigc::bind(
- sigc::ptr_fun(&AutoRecover::cleanup_pid),
- pid
- ),
- 60*1000
- );
-#endif
-
- // Also go ahead and save the settings
- App::save_settings();
-
- return true;
-}
-
-bool
-AutoRecover::recovery_needed()const
-{
- std::string filename=App::get_config_file("autorecovery");
- std::ifstream file(filename.c_str());
- if(!file)
- return false;
-
- while(file)
- {
- std::string filename;
- getline(file,filename);
- if(!filename.empty())
- return true;
- }
-
- return false;
-}
-
-bool
-AutoRecover::recover()
-{
- std::string filename=App::get_config_file("autorecovery");
- std::ifstream file(filename.c_str());
- if(!file)
- return false;
- bool success=true;
-
- while(file)
- {
- std::string filename;
- getline(file,filename);
- if(filename.empty())
- continue;
-
- // Open the file
- if(App::open_as(get_shadow_file_name(filename),filename))
- {
- // Correct the file name
- App::instance_list.back()->set_file_name(filename);
-
- // This file isn't saved! mark it as such
- App::instance_list.back()->inc_action_count();
- }
- else
- success=false;
- }
-
- return success;
-}
-
-void
-AutoRecover::normal_shutdown()
-{
- // Turn off the timer
- auto_backup_connect.disconnect();
-
- std::string filename=App::get_config_file("autorecovery");
- remove(filename.c_str());
-}
-
-void
-AutoRecover::clear_backup(synfig::Canvas::Handle canvas)
-{
- if(canvas)
- remove(get_shadow_file_name(canvas->get_file_name()).c_str());
-}
projects / synfig.git / blobdiff