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authorColin Walters <walters@verbum.org>2010-10-06 13:08:47 -0400
committerColin Walters <walters@verbum.org>2010-10-06 13:09:24 -0400
commit5bf074cf9b2fced09d57098aa0bbfe4cca6a3bdb (patch)
tree451f6fd52108279d9220eb15f0576d89f51fc903
parent71871a96cc0ba2605f9049f81c749a34849f3d97 (diff)
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strace-notebook: New toy vala project
-rw-r--r--strace-notebook/Makefile2
-rw-r--r--strace-notebook/strace-notebook.vala115
2 files changed, 117 insertions, 0 deletions
diff --git a/strace-notebook/Makefile b/strace-notebook/Makefile
new file mode 100644
index 0000000..cb0dace
--- /dev/null
+++ b/strace-notebook/Makefile
@@ -0,0 +1,2 @@
+strace-notebook: strace-notebook.vala
+ valac -g --pkg gee-1.0 --pkg gtk+-2.0 $< -o $@
diff --git a/strace-notebook/strace-notebook.vala b/strace-notebook/strace-notebook.vala
new file mode 100644
index 0000000..d715fd3
--- /dev/null
+++ b/strace-notebook/strace-notebook.vala
@@ -0,0 +1,115 @@
+/* -*- mode: java; c-file-style: "gnu"; indent-tabs-mode: nil; -*- */
+
+using Gtk;
+using Gee;
+
+class ProcessHistory {
+ public long pid;
+ public ArrayList<string> lines;
+}
+
+class StraceDatabase {
+ private Gee.Map<long, ProcessHistory> processes;
+ private GLib.Regex strace_regexp;
+
+ public StraceDatabase() {
+ processes = new Gee.HashMap<long, ProcessHistory>();
+ try {
+ strace_regexp = new GLib.Regex("^([0-9]+) (.*)$");
+ } 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;
+ }
+}