DeleteFileTask Class Reference

Inheritance diagram for DeleteFileTask:

Public Member Functions
	DeleteFileTask ()
override void	prepare ()
override void	parse_stdout_line (string out_line)
override void	parse_stderr_line (string err_line)
bool	update_progress_parse_console_output (string line)
Public Member Functions inherited from AsyncTask
signal void	stdout_line_read (string line)
signal void	stderr_line_read (string line)
signal void	task_complete ()
void	write_stdin (string line)
virtual void	execute ()
bool	is_running ()
void	stop (AppStatus status_to_update=AppStatus.CANCELLED)
void	pause (AppStatus status_to_update=AppStatus.PAUSED)
void	resume (AppStatus status_to_update=AppStatus.RUNNING)
void	print_app_status ()

Public Attributes
string	dest_path = ""
bool	verbose = true
bool	io_nice = true
bool	use_rsync = false
int64	status_line_count = 0
int64	total_size = 0
string	status_message = ""
string	time_remaining = ""
Public Attributes inherited from AsyncTask
AppStatus	status = AppStatus.NOT_STARTED
GLib.Mutex	status_line_mutex
int	exit_code = 0
GLib.Timer	timer
double	progress = 0.0
double	percent = 0.0
int64	prg_count = 0
int64	prg_count_total = 0

Protected Member Functions
override string	build_script ()
Protected Member Functions inherited from AsyncTask
	AsyncTask ()
string	build_script ()
virtual bool	begin ()
void	parse_stdout_line (string out_line)
void	parse_stderr_line (string err_line)
virtual void	finish_task ()
int	read_exit_code ()

Private Member Functions
void	init_regular_expressions ()

Private Attributes
string	source_path = ""
Gee.HashMap< string, Regex >	regex_list

Additional Inherited Members
Protected Attributes inherited from AsyncTask
DataOutputStream	dos_log = null
Pid	child_pid = 0
string	script_file = ""
string	working_dir = ""
Properties inherited from AsyncTask
string	status_line [get, set]
double	elapsed [get]
string	stat_time_elapsed [get]
string???	stat_time_remaining [get]

Detailed Description

Definition at line 31 of file DeleteFileTask.vala.

Constructor & Destructor Documentation

DeleteFileTask()

DeleteFileTask.DeleteFileTask ( )

inline

Definition at line 51 of file DeleteFileTask.vala.

                           {
        init_regular_expressions();
    }

References init_regular_expressions().

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

Member Function Documentation

build_script()

override string DeleteFileTask.build_script ( )

inlineprotected

Definition at line 80 of file DeleteFileTask.vala.

                                             {
        var cmd = "";
 
        if (io_nice){
            //cmd += "ionice -c2 -n7 ";
        }
 
        if (use_rsync){
 
            cmd += "rsync -aii";
 
            if (verbose){
                cmd += " --verbose";
            }
            else{
                cmd += " --quiet";
            }
 
            cmd += " --delete";
 
            cmd += " --stats --relative";
 
            source_path = "/tmp/%s_empty".printf(random_string());
            dir_create(source_path);
 
            source_path = remove_trailing_slash(source_path);
            dest_path = remove_trailing_slash(dest_path);
            
            cmd += " '%s/'".printf(escape_single_quote(source_path));
            cmd += " '%s/'".printf(escape_single_quote(dest_path));
        }
        else{
            cmd += "rm -rf";
 
            if (verbose){
                cmd += "v";
            }
 
            cmd += " '%s'".printf(escape_single_quote(dest_path));
        }
 
        return cmd;
    }

References dest_path, TeeJee.FileSystem.dir_create(), TeeJee.FileSystem.escape_single_quote(), io_nice, TeeJee.Misc.random_string(), TeeJee.FileSystem.remove_trailing_slash(), source_path, use_rsync, and verbose.

init_regular_expressions()

void DeleteFileTask.init_regular_expressions ( )

inlineprivate

Definition at line 55 of file DeleteFileTask.vala.

                                           {
        if (regex_list != null){
            return; // already initialized
        }
        
        regex_list = new Gee.HashMap<string,Regex>();
        
        try {
 
            regex_list["rsync-deleted"] = new Regex(
                """\*deleting[ \t]+(.*)""");
 
        }
        catch (Error e) {
            log_error (e.message);
        }
    }

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

Referenced by DeleteFileTask().

parse_stderr_line()

override void DeleteFileTask.parse_stderr_line ( string err_line )

inline

Definition at line 130 of file DeleteFileTask.vala.

                                                           {
        update_progress_parse_console_output(err_line);
    }

References AsyncTask.err_line, and update_progress_parse_console_output().

parse_stdout_line()

override void DeleteFileTask.parse_stdout_line ( string out_line )

inline

Definition at line 126 of file DeleteFileTask.vala.

                                                           {
        update_progress_parse_console_output(out_line);
    }

References AsyncTask.out_line, and update_progress_parse_console_output().

prepare()

override void DeleteFileTask.prepare ( )

inlinevirtual

Reimplemented from AsyncTask.

Definition at line 73 of file DeleteFileTask.vala.

                                   {
        base.prepare();
 
        status_line_count = 0;
        total_size = 0;
    }

References status_line_count, and total_size.

update_progress_parse_console_output()

bool DeleteFileTask.update_progress_parse_console_output ( string line )

inline

Definition at line 134 of file DeleteFileTask.vala.

                                                                   {
        if ((line == null) || (line.length == 0)) {
            return true;
        }
 
        status_line_count++;
 
        if (prg_count_total > 0){
            prg_count = status_line_count;
            progress = (prg_count * 1.0) / prg_count_total;
        }
        
        MatchInfo match;
        if (regex_list["rsync-deleted"].match(line, 0, out match)) {
            
            //log_debug("matched: rsync-deleted:%s".printf(line));
 
            status_line = match.fetch(1).split(" -> ")[0].strip();
        }
        else {
            
            //log_debug("matched: else:%s".printf(line));
 
            status_line = line.strip();
        }
 
        return true;
    }

References AsyncTask.prg_count, AsyncTask.prg_count_total, AsyncTask.progress, regex_list, AsyncTask.status_line, and status_line_count.

Referenced by parse_stderr_line(), and parse_stdout_line().

Member Data Documentation

dest_path

string DeleteFileTask.dest_path = ""

Definition at line 34 of file DeleteFileTask.vala.

Referenced by build_script().

io_nice

bool DeleteFileTask.io_nice = true

Definition at line 36 of file DeleteFileTask.vala.

Referenced by build_script().

regex_list

Gee.HashMap<string, Regex> DeleteFileTask.regex_list

private

Definition at line 43 of file DeleteFileTask.vala.

Referenced by init_regular_expressions(), and update_progress_parse_console_output().

source_path

string DeleteFileTask.source_path = ""

private

Definition at line 40 of file DeleteFileTask.vala.

Referenced by build_script().

status_line_count

int64 DeleteFileTask.status_line_count = 0

Definition at line 46 of file DeleteFileTask.vala.

Referenced by prepare(), and update_progress_parse_console_output().

status_message

string DeleteFileTask.status_message = ""

Definition at line 48 of file DeleteFileTask.vala.

Referenced by DeleteBox.delete_snapshots().

time_remaining

string DeleteFileTask.time_remaining = ""

Definition at line 49 of file DeleteFileTask.vala.

total_size

int64 DeleteFileTask.total_size = 0

Definition at line 47 of file DeleteFileTask.vala.

Referenced by prepare().

use_rsync

bool DeleteFileTask.use_rsync = false

Definition at line 37 of file DeleteFileTask.vala.

Referenced by build_script().

verbose

bool DeleteFileTask.verbose = true

Definition at line 35 of file DeleteFileTask.vala.

Referenced by build_script().

---

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

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