AppLock Class Reference

Inheritance diagram for AppLock:

Public Member Functions
bool	create (string app_name, string message)
void	remove ()

Public Attributes
string	lock_file = ""
string	lock_message = ""

Private Member Functions
void	write_lock_file (string message)

Detailed Description

Definition at line 29 of file AppLock.vala.

Member Function Documentation

create()

bool AppLock.create ( string app_name, string message )

inline

Definition at line 33 of file AppLock.vala.

                                                       {
 
        var lock_dir = "/var/run/lock/%s".printf(app_name);
        dir_create(lock_dir);
        lock_file = path_combine(lock_dir, "lock");
        
        try{
            var file = File.new_for_path(lock_file);
            if (file.query_exists()) {
 
                string txt = file_read(lock_file);
                string process_id = txt.split(";")[0].strip();
                lock_message = txt.split(";")[1].strip();
                long pid = long.parse(process_id);
 
                if (get_process_exe_name(pid).contains("bastionguard-backup")){
                    log_msg(_("Another instance of this application is running")
                        + " (PID=%ld)".printf(pid));
                    return false;
                }
                else{
                    log_msg(_("[Warning] Deleted invalid lock"));
                    file.delete();
                    write_lock_file(message);
                    return true;
                }
            }
            else{
                write_lock_file(message);
                return true;
            }
        }
        catch (Error e) {
            log_error (e.message);
            return false;
        }
    }

References _, TeeJee.FileSystem.dir_create(), Error, TeeJee.FileSystem.file_read(), TeeJee.ProcessHelper.get_process_exe_name(), lock_file, lock_message, TeeJee.Logging.log_error(), TeeJee.Logging.log_msg(), TeeJee.FileSystem.path_combine(), and write_lock_file().

Referenced by Main.Main().

remove()

void AppLock.remove ( )

inline

Definition at line 76 of file AppLock.vala.

                        {
        try{
            var file = File.new_for_path (lock_file);
            if (file.query_exists()) {
                file.delete();
            }
        }
        catch (Error e) {
            log_error (e.message);
        }
    }

References Error, lock_file, and TeeJee.Logging.log_error().

Referenced by Main.exit_app().

write_lock_file()

void AppLock.write_lock_file ( string message )

inlineprivate

Definition at line 71 of file AppLock.vala.

                                                {
        string current_pid = ((long) Posix.getpid()).to_string();
        file_write(lock_file, "%s;%s".printf(current_pid, message));
    }

References TeeJee.FileSystem.file_write(), and lock_file.

Referenced by create().

Member Data Documentation

lock_file

string AppLock.lock_file = ""

Definition at line 30 of file AppLock.vala.

Referenced by create(), remove(), and write_lock_file().

lock_message

string AppLock.lock_message = ""

Definition at line 31 of file AppLock.vala.

Referenced by create(), and Main.Main().

---

The documentation for this class was generated from the following file:

• BastionGuard/thirdparty/bastionguard-backup/src/Utility/AppLock.vala