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/* -*- Mode: C; indent-tabs-mode: t; c-basic-offset: 8; tab-width: 8 -*-
nautilus-search-async.c : The search process
Copyright (C) 1999, 2000 Eazel, Inc.
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.
Author: Rebecca Schulman <rebecka@eazel.com>
*/
#include <sys/socket.h>
#include <sys/stat.h>
#include <sys/un.h>
#include <fcntl.h>
#include <unistd.h>
#include <gtk/gtkmain.h>
#include <gdk/gdk.h>
#include <libgnomevfs/gnome-vfs-types.h>
#include <nautilus-directory-private.h>
#include <libmedusa/medusa-search-service.h>
#include <libmedusa/medusa-search-service-private.h>
#include <glib.h>
#include "nautilus-search-async.h"
#ifdef HAVE_CONFIG_H
#include <config.h>
#endif
static GnomeVFSResult request_search (char *search_uri);
static int initialize_socket (struct sockaddr_un *daemon_address);
static int get_key_from_cookie (void);
void parse_results (char *transmission);
static void search_results_received_callback (GIOChannel *source,
GIOCondition condition,
gpointer data);
/* this procedure is meant to mimic the behavior of the
async load directory uri calls, so it takes
the same arguments */
GnomeVFSResult
nautilus_async_medusa_search (GnomeVFSAsyncHandle **handle_return,
char *search_uri_text,
GnomeVFSAsyncDirectoryLoadCallback callback,
gpointer data)
{
GnomeVFSResult result;
g_return_val_if_fail (handle_return != NULL, GNOME_VFS_ERROR_BAD_PARAMETERS);
g_return_val_if_fail (search_uri_text != NULL, GNOME_VFS_ERROR_BAD_PARAMETERS);
g_return_val_if_fail (nautilus_uri_is_search_uri (search_uri_text) == TRUE,
GNOME_VFS_ERROR_BAD_PARAMETERS);
/* the sending of the request is done synchronously,
and the nautilus receives the results over a channel. */
result = request_search (search_uri_text);
return result;
}
static GnomeVFSResult
request_search (char *search_uri)
{
int search_request_port;
struct sockaddr_un *server_address;
char cookie_request[MAX_LINE];
char request_field[MAX_LINE];
int key;
GIOChannel *result_channel;
printf ("help!! I'm trying to run a search!\n");
/* FIXME: This crap will be replaced by
the new medusa search service API */
g_return_val_if_fail (search_uri != NULL, GNOME_VFS_ERROR_INVALID_URI);
g_return_val_if_fail (nautilus_uri_is_search_uri (search_uri),
GNOME_VFS_ERROR_INVALID_URI);
/* For now run a dummy search */
search_request_port = initialize_socket (server_address);
/* Send request for cookie */
sprintf (cookie_request, "%s\t%d\t%d\n", COOKIE_REQUEST, getuid (), getpid());
printf ("Sending %s\n", cookie_request);
g_return_val_if_fail (write (search_request_port, cookie_request,
strlen (cookie_request)) > 0,
GNOME_VFS_ERROR_DIRECTORY_BUSY);
key = get_key_from_cookie ();
printf ("Got cookie %d from cookie file\n", key);
sprintf (request_field, "%d %d %d\tFile_Name ^ tmp\n", getuid (), getpid (), key);
printf ("Sending %s", request_field);
g_return_val_if_fail (write (search_request_port, request_field,
strlen(request_field)) > 0,
GNOME_VFS_ERROR_DIRECTORY_BUSY);
memset (request_field, 0, MAX_LINE);
sprintf (request_field,"%d %d %d\tDONE\n", getuid (), getpid (), key);
g_return_val_if_fail (write (search_request_port, request_field,
strlen(request_field)) > 0,
GNOME_VFS_ERROR_DIRECTORY_BUSY);
/* Results are gotten in a different place */
/* Set up a watch on the result socket */
/* FIXME: Is there a right macro here for these function casts? */
result_channel = g_io_channel_unix_new (search_request_port);
g_io_add_watch (result_channel,
G_IO_IN,
(GIOFunc) search_results_received_callback,
search_uri);
return GNOME_VFS_OK;
}
static int
initialize_socket (struct sockaddr_un *daemon_address)
{
int search_request_port;
search_request_port = socket (AF_LOCAL, SOCK_STREAM, 0);
g_return_val_if_fail (search_request_port != -1, 3);
daemon_address->sun_family = AF_LOCAL;
/* FIXME: This number (108) sucks, but it has no #define in the header.
What to do? (POSIX requires 100 bytes at least, here) */
snprintf (daemon_address->sun_path, 100, "%s", SEARCH_SOCKET_PATH);
g_return_val_if_fail (connect (search_request_port, (struct sockaddr *) daemon_address,
SUN_LEN (daemon_address)) != -1, -1);
return search_request_port;
}
static int
get_key_from_cookie ()
{
char file_name[MAX_LINE];
int cookie_fd, key;
/* Go look for cookie */
sprintf (file_name, "%s/%d_%d", COOKIE_PATH, getuid (), getpid ());
printf ("Looking in cookie file %s\n", file_name);
cookie_fd = open (file_name, O_RDONLY);
/* Keep looking if cookie file isn't created yet */
while (cookie_fd == -1) {
cookie_fd = open (file_name, O_RDONLY);
}
read (cookie_fd, &key, sizeof (int));
close (cookie_fd);
return key;
}
void
parse_results (char *transmission)
{
char *line;
line = transmission;
#ifdef SEARCH_DAEMON_DEBUG
/* printf ("Received %s\n", line); */
#endif
while ((line - 1) != NULL && *line != 0) {
if (strncmp (line, SEARCH_FILE_TRANSMISSION, strlen (SEARCH_FILE_TRANSMISSION)) == 0) {
printf ("next file is %s", line);
}
else if (strncmp (line, SEARCH_END_TRANSMISSION, strlen (SEARCH_END_TRANSMISSION)) == 0) {
exit (1);
}
line = strchr (line, 0);
line++;
}
}
static void
search_results_received_callback (GIOChannel *source,
GIOCondition condition,
gpointer data)
{
g_assert (condition == G_IO_IN);
/* Make sure source is a valid file descriptor */
printf ("Received search results\n");
}
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