add a basic ck-history command

Refactor some event logging code to share with ck-history.  At the
moment the command only prints the events.

1 files changed, 157 insertions, 0 deletions

diff --git a/tools/ck-history.c b/tools/ck-history.c
new file mode 100644
index 0000000..9584ee1
--- /dev/null
+++ b/tools/ck-history.c
@@ -0,0 +1,157 @@
+/* -*- Mode: C; tab-width: 8; indent-tabs-mode: nil; c-basic-offset: 8 -*-
+ *
+ * Copyright (C) 2007 William Jon McCann <mccann@jhu.edu>
+ *
+ * This program 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 program 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.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program; if not, write to the Free Software
+ * Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA
+ * 02111-1307, USA.
+ *
+ */
+
+#include "config.h"
+
+#include <stdlib.h>
+#include <stdio.h>
+#include <sys/types.h>
+#include <pwd.h>
+#include <string.h>
+#include <errno.h>
+
+#include <locale.h>
+
+#include <glib.h>
+#include <glib/gi18n.h>
+#include <glib/gstdio.h>
+
+#include "ck-log-event.h"
+
+typedef enum {
+        REPORT_TYPE_SUMMARY = 0,
+} ReportType;
+
+#define DEFAULT_LOG_FILENAME LOCALSTATEDIR "/run/ConsoleKit/history"
+#define MAX_LINE_LEN 2048
+
+static GList *events = NULL;
+
+static gboolean
+process_event_line (const char *line)
+{
+        GString    *str;
+        CkLogEvent *event;
+
+        str = g_string_new (line);
+        event = ck_log_event_new_from_string (str);
+        g_string_free (str, TRUE);
+
+        if (event != NULL) {
+                events = g_list_prepend (events, event);
+        }
+
+        return TRUE;
+}
+
+static gboolean
+process_log_stream (FILE *fstream)
+{
+        char line[MAX_LINE_LEN];
+
+        while (fgets (line, sizeof (line), fstream) != NULL) {
+                if (strlen (line) == sizeof (line) - 1) {
+                        g_warning ("Log line truncated");
+                }
+
+                process_event_line (line);
+        }
+
+        return TRUE;
+}
+
+static gboolean
+process_log_file (const char *filename)
+{
+        FILE *f;
+
+        f = g_fopen (filename, "r");
+        if (f == NULL) {
+                g_warning ("Error opening %s (%s)\n",
+                           filename,
+                           g_strerror (errno));
+                return FALSE;
+        }
+
+        return process_log_stream (f);
+}
+
+static void
+generate_report (void)
+{
+        GList *l;
+
+        events = g_list_reverse (events);
+
+        for (l = events; l != NULL; l = l->next) {
+                CkLogEvent *event;
+                GString    *str;
+
+                event = l->data;
+                str = g_string_new (NULL);
+                ck_log_event_to_string (event, str);
+                g_print ("%s\n", str->str);
+                g_string_free (str, TRUE);
+        }
+}
+
+static void
+free_events (void)
+{
+        /* FIXME: */
+}
+
+int
+main (int    argc,
+      char **argv)
+{
+        GOptionContext     *context;
+        gboolean            retval;
+        GError             *error = NULL;
+        static gboolean     do_version = FALSE;
+        static GOptionEntry entries [] = {
+                { "version", 'V', 0, G_OPTION_ARG_NONE, &do_version, N_("Version of this application"), NULL },
+                { NULL }
+        };
+
+        context = g_option_context_new (NULL);
+        g_option_context_add_main_entries (context, entries, NULL);
+        retval = g_option_context_parse (context, &argc, &argv, &error);
+
+        g_option_context_free (context);
+
+        if (! retval) {
+                g_warning ("%s", error->message);
+                g_error_free (error);
+                exit (1);
+        }
+
+        if (do_version) {
+                g_print ("%s %s\n", argv [0], VERSION);
+                exit (1);
+        }
+
+        process_log_file (DEFAULT_LOG_FILENAME);
+        generate_report ();
+        free_events ();
+
+        return 0;
+}