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#include <stdlib.h>
#include <glib.h>
#include <gtask.h>
#include <gtaskscheduler.h>
static gchar *filename = NULL;
static GTaskScheduler *scheduler = NULL;
static GMainLoop *main_loop = NULL;
static gint todo = 0;
static GValue* quit (GTask *task, gpointer user_data);
static GValue* parse (GTask *task, gpointer user_data);
static GOptionEntry entries[] =
{
{ "filename", 'f', 0, G_OPTION_ARG_FILENAME, &filename, "Logfile to parse", "FILE" },
{ NULL }
};
int
main (int argc, char *argv[])
{
GError *error = NULL;
GOptionContext *context = NULL;
GTask *task = NULL;
context = g_option_context_new ("- gtask example logfile parser");
g_option_context_add_main_entries (context, entries, NULL);
if (!g_option_context_parse (context, &argc, &argv, &error))
{
g_print ("option parsing failed: %s\n", error->message);
g_error_free (error);
return 1;
}
/* initialize gobject and gthread */
g_type_init ();
g_thread_init (NULL);
/* create our main loop */
main_loop = g_main_loop_new (NULL, FALSE);
/* create our task scheduler */
scheduler = g_task_scheduler_new ();
/* do our work from a task, so we can run a main loop */
task = g_task_new (parse, filename, g_free);
/* scheduler our task for execution */
g_task_scheduler_schedule (scheduler, task);
/* run the main loop */
g_main_loop_run (main_loop);
return 0;
}
static int month (const char *data)
{
if (g_str_has_prefix (data, "Jan")) {
return 1;
}
else if (g_str_has_prefix (data, "Feb")) {
return 2;
}
else if (g_str_has_prefix (data, "Mar")) {
return 3;
}
else if (g_str_has_prefix (data, "Apr")) {
return 4;
}
else if (g_str_has_prefix (data, "May")) {
return 5;
}
else if (g_str_has_prefix (data, "Jun")) {
return 6;
}
else if (g_str_has_prefix (data, "Jul")) {
return 7;
}
else if (g_str_has_prefix (data, "Aug")) {
return 8;
}
else if (g_str_has_prefix (data, "Sep")) {
return 9;
}
else if (g_str_has_prefix (data, "Oct")) {
return 10;
}
else if (g_str_has_prefix (data, "Nov")) {
return 11;
}
else if (g_str_has_prefix (data, "Dec")) {
return 12;
}
return -1;
}
static GValue*
parse_line (GTask *task, gpointer user_data)
{
char *line = user_data;
int mon = 0;
int day = 0;
int hour = 0;
int min = 0;
int sec = 0;
mon = month (line);
line = line + 4;
line[2] = '\0';
day = atoi (line);
line = line + 3;
line[2] = '\0';
hour = atoi (line);
line = line + 3;
line[2] = '\0';
min = atoi (line);
line = line + 3;
line[2] = '\0';
sec = atoi (line);
line = line + 3;
/* would be cool to do something with the parsed data here :-) */
g_debug ("%d-%d %02d:%02d:%02d", mon, day, hour, min, sec);
/* decrement our todo count, and return the quit task if we are done */
if (g_atomic_int_dec_and_test (&todo))
g_task_scheduler_schedule (g_task_scheduler_get_default (),
g_task_new (quit, NULL, NULL));
return NULL;
}
static GValue*
parse (GTask *task, gpointer user_data)
{
const gchar *fname = user_data;
todo = 1;
if (fname)
{
g_debug ("Parsing %s ...", fname);
GIOChannel *stream = g_io_channel_new_file (fname, "r", NULL);
gchar *line = NULL;
if (stream)
{
while (G_IO_STATUS_NORMAL ==
g_io_channel_read_line (stream, &line,
NULL, NULL, NULL))
{
/* keep track of how many lines to do */
g_atomic_int_inc (&todo);
/* schedule the line */
g_task_scheduler_schedule (
scheduler,
g_task_new (parse_line, line, g_free));
}
}
g_io_channel_close (stream);
}
if (g_atomic_int_dec_and_test (&todo))
g_main_loop_quit(main_loop);
return NULL;
}
static GValue*
quit (GTask *task, gpointer user_data)
{
g_main_loop_quit (main_loop);
return NULL;
}
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