path: root/camel/providers/imap/camel-imap-provider.c

/* -*- Mode: C; tab-width: 8; indent-tabs-mode: t; c-basic-offset: 8 -*- */
/* camel-imap-provider.c: imap provider registration code */

/*
 *  Authors: Jeffrey Stedfast <fejj@helixcode.com>
 *
 *  Copyright 2000 Helix Code, Inc. (www.helixcode.com)
 *
 *  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 Street #330, Boston, MA 02111-1307, USA.
 *
 */


#include "config.h"
#include "camel-imap-store.h"
#include "camel-provider.h"
#include "camel-session.h"
#include "camel-url.h"

static void add_hash (guint *hash, char *s);
static guint imap_url_hash (gconstpointer key);
static gint check_equal (char *s1, char *s2);
static gint imap_url_equal (gconstpointer a, gconstpointer b);

static CamelProvider imap_provider = {
    "imap",
    "IMAPv4",

    "For reading and storing mail on IMAP servers.",

    "mail",

    CAMEL_PROVIDER_IS_REMOTE | CAMEL_PROVIDER_IS_SOURCE | CAMEL_PROVIDER_IS_STORAGE,

    { 0, 0 },

    NULL
};

void
camel_provider_module_init (CamelSession *session)
{
    imap_provider.object_types[CAMEL_PROVIDER_STORE] =
        camel_imap_store_get_type();

    imap_provider.service_cache = g_hash_table_new (imap_url_hash, imap_url_equal);

    camel_session_register_provider (session, &imap_provider);
}

static void
add_hash (guint *hash, char *s)
{
    if (s)
        *hash ^= g_str_hash(s);
}

static guint
imap_url_hash (gconstpointer key)
{
    const CamelURL *u = (CamelURL *)key;
    guint hash = 0;

    add_hash (&hash, u->user);
    add_hash (&hash, u->authmech);
    add_hash (&hash, u->host);
    hash ^= u->port;
    
    return hash;
}

static gint
check_equal (char *s1, char *s2)
{
    if (s1 == NULL) {
        if (s2 == NULL)
            return TRUE;
        else
            return FALSE;
    }
    
    if (s2 == NULL)
        return FALSE;

    return strcmp (s1, s2) == 0;
}

static gint
imap_url_equal (gconstpointer a, gconstpointer b)
{
    const CamelURL *u1 = a, *u2 = b;
    
    return check_equal (u1->user, u2->user)
        && check_equal (u1->authmech, u2->authmech)
        && check_equal (u1->host, u2->host)
        && u1->port == u2->port;
}