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/* -*- mode: java; c-file-style: "gnu"; indent-tabs-mode: nil; -*- */
using Gtk;
using Gee;
class ProcessHistory {
public long pid;
public ArrayList<string> lines;
}
class StraceDatabase {
private Gee.Map<long, ProcessHistory> processes;
private GLib.Regex strace_regexp;
public StraceDatabase() {
processes = new Gee.HashMap<long, ProcessHistory>();
try {
strace_regexp = new GLib.Regex("^([0-9]+) (.*)$");
} catch (GLib.Error e) {
}
}
public void parse(string filename) throws GLib.Error {
var file = GLib.File.new_for_path(filename);
var input = new GLib.DataInputStream(file.read(null));
string line;
while ((line = input.read_line(null, null)) != null) {
GLib.MatchInfo match;
if (!strace_regexp.match(line, 0, out match))
continue;
string? pid_str = match.fetch(1);
string? strace_data = match.fetch(2);
if (pid_str == null)
continue;
if (strace_data == null)
continue;
long pid = pid_str.to_long();
ProcessHistory p;
if (!processes.has_key(pid)) {
p = new ProcessHistory();
p.pid = pid;
p.lines = new ArrayList<string>();
processes.set(pid, p);
} else {
p = processes.get(pid);
}
p.lines.add(strace_data);
}
}
public Gee.Collection<ProcessHistory> getProcesses() {
return processes.values;
}
}
class StraceNotebook : Gtk.VBox {
private Gtk.Notebook notebook;
private StraceDatabase database;
public StraceNotebook() {
notebook = new Gtk.Notebook();
this.add(notebook);
database = new StraceDatabase();
}
private Gtk.TextBuffer buffer_for_history(ProcessHistory p) {
var buf = new Gtk.TextBuffer(null);
foreach (string line in p.lines) {
buf.insert_at_cursor(line, -1);
buf.insert_at_cursor("\n", -1);
}
return buf;
}
private Gtk.Widget view_for_history(ProcessHistory p) {
var scroll = new Gtk.ScrolledWindow(null, null);
var text_view = new Gtk.TextView.with_buffer(buffer_for_history(p));
scroll.add(text_view);
return scroll;
}
public void parse(string filename) throws GLib.Error {
database.parse(filename);
foreach (ProcessHistory p in database.getProcesses()) {
var view = view_for_history(p);
var label = new Gtk.Label("PID %ld".printf(p.pid));
notebook.append_page(view, label);
}
}
}
class StraceNotebookApp : GLib.Object {
public static int main(string[] args) {
Gtk.init (ref args);
var filename = args[1];
var window = new Gtk.Window(Gtk.WindowType.TOPLEVEL);
window.set_default_size(640, 480);
window.destroy.connect(Gtk.main_quit);
var notebook = new StraceNotebook();
try {
notebook.parse(filename);
} catch (GLib.Error e) {
GLib.printerr("Failed to parse: %s", e.message);
}
window.add(notebook);
window.show_all();
Gtk.main();
return 0;
}
}
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