src/protocols/bonjour/bonjour.c

/*
 * gaim - Bonjour Protocol Plugin
 *
 * Gaim is the legal property of its developers, whose names are too numerous
 * to list here.  Please refer to the COPYRIGHT file distributed with this
 * source distribution.
 *
 * 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 <glib.h>

#include "internal.h"
#include "account.h"
#include "accountopt.h"
#include "version.h"
#include "debug.h"

#include "bonjour.h"
#include "dns_sd.h"
#include "jabber.h"
#include "buddy.h"

static void
bonjour_removeallfromlocal(GaimConnection *gc)
{
	GaimAccount *account = gaim_connection_get_account(gc);
	GaimBuddyList *blist;
	GaimBlistNode *gnode, *cnode, *bnode;
	GaimBuddy *buddy;

	blist = gaim_get_blist();
	if (blist == NULL)
		return;

	/* Go through and remove all buddies that belong to this account */
	for (gnode = blist->root; gnode; gnode = gnode->next)
	{
		if (!GAIM_BLIST_NODE_IS_GROUP(gnode))
			continue;
		for (cnode = gnode->child; cnode; cnode = cnode->next)
		{
			if (!GAIM_BLIST_NODE_IS_CONTACT(cnode))
				continue;
			for (bnode = cnode->child; bnode; bnode = bnode->next)
			{
				if (!GAIM_BLIST_NODE_IS_BUDDY(bnode))
					continue;
				buddy = (GaimBuddy *)bnode;
				if (buddy->account != account)
					continue;
				gaim_prpl_got_user_status(account, buddy->name, "offline", NULL);
				gaim_blist_remove_buddy(buddy);
			}
		}
	}
}

void
bonjour_login(GaimAccount *account, GaimStatus *status)
{
	GaimConnection *gc = gaim_account_get_connection(account);
	GaimGroup *bonjour_group = NULL;
	BonjourData *bd = NULL;

	gc->flags |= GAIM_CONNECTION_HTML;
	gc->proto_data = g_new(BonjourData, 1);
	bd = gc->proto_data;

	// Start waiting for jabber connections (iChat style)
	bd->jabber_data = g_new(BonjourJabber, 1);
	bd->jabber_data->name = gc->account->username;
	bd->jabber_data->port = gaim_account_get_int(account, "port", BONJOUR_DEFAULT_PORT_INT);
	bd->jabber_data->account = account;

	if (bonjour_jabber_start(bd->jabber_data) == -1) {
		// Send a message about the connection error
		gaim_debug_error("bonjour", "Unable to listen to ichat connections");

		// Free the data
		g_free(bd->jabber_data);
		g_free(bd);
		return;
	}

	// Connect to the mDNS daemon looking for buddies in the LAN
	bd->dns_sd_data = bonjour_dns_sd_new();
	bd->dns_sd_data->name = (sw_string)gaim_account_get_username(account);
	bd->dns_sd_data->txtvers = g_strdup("1");
	bd->dns_sd_data->version = g_strdup("1");
	bd->dns_sd_data->first = g_strdup(gaim_account_get_string(account, "first", "TODO"));
	bd->dns_sd_data->last = g_strdup(gaim_account_get_string(account, "last", ""));
	bd->dns_sd_data->port_p2pj = gaim_account_get_int(account, "port", BONJOUR_DEFAULT_PORT_INT);
	bd->dns_sd_data->phsh = g_strdup("");
	bd->dns_sd_data->status = g_strdup("avail"); //<-- Check the real status if different from avail
	bd->dns_sd_data->email = g_strdup(gaim_account_get_string(account, "email", ""));
	bd->dns_sd_data->vc = g_strdup("");
	bd->dns_sd_data->jid = g_strdup("");
	bd->dns_sd_data->AIM = g_strdup("");
	bd->dns_sd_data->msg = NULL; /* TODO */

	bd->dns_sd_data->account = account;
	bonjour_dns_sd_start(bd->dns_sd_data);

	// Create a group for bonjour buddies
	bonjour_group = gaim_group_new(BONJOUR_GROUP_NAME);
	gaim_blist_add_group(bonjour_group, NULL);

	// Show the buddy list by telling Gaim we have already connected
	gaim_connection_set_state(gc, GAIM_CONNECTED);
}

void
bonjour_close(GaimConnection *connection)
{
	GaimGroup *bonjour_group = gaim_find_group(BONJOUR_GROUP_NAME);
	BonjourData *bd = (BonjourData*)connection->proto_data;

	// Stop looking for buddies in the LAN
	if (connection != NULL) {
		bonjour_dns_sd_stop(bd->dns_sd_data);
		if (bd != NULL) {
			bonjour_dns_sd_free(bd->dns_sd_data);
		}
	}

	// Stop waiting for conversations
	bonjour_jabber_stop(bd->jabber_data);
	g_free(bd->jabber_data);

	// Remove all the bonjour buddies
	bonjour_removeallfromlocal(connection);

	// Delete the bonjour group
	gaim_blist_remove_group(bonjour_group);

}

const char *
bonjour_list_icon(GaimAccount *account, GaimBuddy *buddy)
{
	return BONJOUR_ICON_NAME;
}

int
bonjour_send_im(GaimConnection *connection, const char *to, const char *msg, GaimConvImFlags flags)
{
	if(!to || !msg)
		return 0;

	return bonjour_jabber_send_message(((BonjourData*)(connection->proto_data))->jabber_data, to, msg);
}

void
bonjour_set_status(GaimAccount *account, GaimStatus *status)
{
	GaimConnection *gc;
	BonjourData *bd;
	gboolean disconnected;
	GaimStatusType *type;
	int primitive;
	GaimPresence *presence;
	const char *message, *bonjour_status;

	disconnected = gaim_account_is_disconnected(account);
	type = gaim_status_get_type(status);
	primitive = gaim_status_type_get_primitive(type);
	presence = gaim_account_get_presence(account);

	if (primitive != GAIM_STATUS_OFFLINE && disconnected)
	{
		gaim_account_connect(account);
		return;
	}
	if (primitive == GAIM_STATUS_OFFLINE && !disconnected)
	{
		gaim_account_disconnect(account);
		return;
	}

	if (!gaim_account_is_connected(account))
		/* TODO: Does this mean we're connecting? */
		return;

	message = gaim_status_get_attr_string(status, "message");
	if (message == NULL)
		message = "";

	/*
	 * The three possible status for Bonjour are
	 *   -available ("avail")
	 *   -idle ("away")
	 *   -away ("dnd")
	 * Each of them can have an optional message.
	 */
	if (primitive == GAIM_STATUS_AVAILABLE) {
		bonjour_status = "avail";
	} else if (gaim_presence_is_idle(presence)) {
		bonjour_status = "away";
	} else {
		bonjour_status = "dnd";
	}

	gc = gaim_account_get_connection(account);
	bd = gc->proto_data;
	bonjour_dns_sd_send_status(bd->dns_sd_data, bonjour_status, message);
}

static GList *
bonjour_status_types(GaimAccount *account)
{
	GList *status_types = NULL;
	GaimStatusType *type;

	g_return_val_if_fail(account != NULL, NULL);

	type = gaim_status_type_new_full(GAIM_STATUS_OFFLINE,
									 BONJOUR_STATUS_ID_OFFLINE,
									 _("Offline"), TRUE, TRUE, FALSE);
	status_types = g_list_append(status_types, type);

	type = gaim_status_type_new_with_attrs(GAIM_STATUS_AVAILABLE,
										   BONJOUR_STATUS_ID_AVAILABLE,
										   _("Available"), TRUE, TRUE, FALSE,
										   "message", _("Message"),
										   gaim_value_new(GAIM_TYPE_STRING), NULL);
	status_types = g_list_append(status_types, type);

	type = gaim_status_type_new_with_attrs(GAIM_STATUS_AWAY,
										   BONJOUR_STATUS_ID_AWAY,
										   _("Away"), TRUE, TRUE, FALSE,
										   "message", _("Message"),
										   gaim_value_new(GAIM_TYPE_STRING), NULL);
	status_types = g_list_append(status_types, type);

	return status_types;
}

static void
bonjour_convo_closed(GaimConnection *connection, const char *who)
{
	GaimBuddy *buddy = gaim_find_buddy(connection->account, who);

	bonjour_jabber_close_conversation(((BonjourData*)(connection->proto_data))->jabber_data, buddy);
}

static void
bonjour_list_emblems(GaimBuddy *buddy,
								 const char **se, const char **sw,
								 const char **nw,const char **ne)
{
	GaimPresence *presence;

	presence = gaim_buddy_get_presence(buddy);

	if (!gaim_presence_is_available(presence))
		*se = "away";
}

static char *
bonjour_status_text(GaimBuddy *buddy)
{
	GaimPresence *presence;

	presence = gaim_buddy_get_presence(buddy);

	if (gaim_presence_is_available(presence))
		return g_strdup("");
	else
		return g_strdup("Away");
}

static char *
bonjour_tooltip_text(GaimBuddy *buddy)
{
	GString *ret;
	GaimPresence *presence;
	GaimStatus *status;
	const char *status_description;
	const char *message;

	presence = gaim_buddy_get_presence(buddy);
	status = gaim_presence_get_active_status(presence);
	message = gaim_status_get_attr_string(status, "message");

	if (gaim_presence_is_available(presence))
		status_description = gaim_status_get_name(status);
	else if (gaim_presence_is_idle(presence))
		status_description = _("Idle");
	else
		status_description = gaim_status_get_name(status);

	ret = g_string_new("");
	g_string_append_printf(ret, _("\n<b>Status:</b> %s"), status_description);
	if (message != NULL)
		g_string_append_printf(ret, _("\n<b>Message:</b> %s"), message);

	return g_string_free(ret, FALSE);
}

static GaimPlugin *my_protocol = NULL;

static GaimPluginProtocolInfo prpl_info =
{
	OPT_PROTO_NO_PASSWORD,
	NULL,                                                    /* user_splits */
	NULL,                                                    /* protocol_options */
	{"png", 0, 0, 96, 96, GAIM_ICON_SCALE_DISPLAY},          /* icon_spec */
	bonjour_list_icon,                                       /* list_icon */
	bonjour_list_emblems,                                    /* list_emblems */
	bonjour_status_text,                                     /* status_text */
	bonjour_tooltip_text,                                    /* tooltip_text */
	bonjour_status_types,                                    /* status_types */
	NULL,                                                    /* blist_node_menu */
	NULL,                                                    /* chat_info */
	NULL,                                                    /* chat_info_defaults */
	bonjour_login,                                           /* login */
	bonjour_close,                                           /* close */
	bonjour_send_im,                                         /* send_im */
	NULL,                                                    /* set_info */
	NULL,                                                    /* send_typing */
	NULL,                                                    /* get_info */
	bonjour_set_status,                                      /* set_status */
	NULL,                                                    /* set_idle */
	NULL,                                                    /* change_passwd */
	NULL,                                                    /* add_buddy */
	NULL,                                                    /* add_buddies */
	NULL,                                                    /* remove_buddy */
	NULL,                                                    /* remove_buddies */
	NULL,                                                    /* add_permit */
	NULL,                                                    /* add_deny */
	NULL,                                                    /* rem_permit */
	NULL,                                                    /* rem_deny */
	NULL,                                                    /* set_permit_deny */
	NULL,                                                    /* join_chat */
	NULL,                                                    /* reject_chat */
	NULL,                                                    /* get_chat_name */
	NULL,                                                    /* chat_invite */
	NULL,                                                    /* chat_leave */
	NULL,                                                    /* chat_whisper */
	NULL,                                                    /* chat_send */
	NULL,                                                    /* keepalive */
	NULL,                                                    /* register_user */
	NULL,                                                    /* get_cb_info */
	NULL,                                                    /* get_cb_away */
	NULL,                                                    /* alias_buddy */
	NULL,                                                    /* group_buddy */
	NULL,                                                    /* rename_group */
	NULL,                                                    /* buddy_free */
	bonjour_convo_closed,                                    /* convo_closed */
	NULL,                                                    /* normalize */
	NULL,                                                    /* set_buddy_icon */
	NULL,                                                    /* remove_group */
	NULL,                                                    /* get_cb_real_name */
	NULL,                                                    /* set_chat_topic */
	NULL,                                                    /* find_blist_chat */
	NULL,                                                    /* roomlist_get_list */
	NULL,                                                    /* roomlist_cancel */
	NULL,                                                    /* roomlist_expand_category */
	NULL,                                                    /* can_receive_file */
	NULL                                                     /* send_file */
};

static GaimPluginInfo info =
{
	GAIM_PLUGIN_MAGIC,
	GAIM_MAJOR_VERSION,
	GAIM_MINOR_VERSION,
	GAIM_PLUGIN_PROTOCOL,                             /**< type           */
	NULL,                                             /**< ui_requirement */
	0,                                                /**< flags          */
	NULL,                                             /**< dependencies   */
	GAIM_PRIORITY_DEFAULT,                            /**< priority       */

	"prpl-bonjour",                                   /**< id             */
	"Bonjour",                                        /**< name           */
	VERSION,                                          /**< version        */
	                                                  /**  summary        */
	N_("Bonjour Protocol Plugin"),
	                                                  /**  description    */
	N_("Bonjour Protocol Plugin"),
	NULL,                                             /**< author         */
	GAIM_WEBSITE,                                     /**< homepage       */

	NULL,                                             /**< load           */
	NULL,                                             /**< unload         */
	NULL,                                             /**< destroy        */

	NULL,                                             /**< ui_info        */
	&prpl_info,                                       /**< extra_info     */
	NULL,                                             /**< prefs_info     */
	NULL
};

static void
init_plugin(GaimPlugin *plugin)
{
	GaimAccountUserSplit *split;
	GaimAccountOption *option;
	char hostname[255];

	if (gethostname(hostname, 255) != 0) {
		gaim_debug_warning("rendezvous", "Error %d when getting host name.  Using \"localhost.\"\n", errno);
		strcpy(hostname, "localhost");
	}

	// Creating the user splits
	split = gaim_account_user_split_new(_("Host name"), hostname, '@');
	prpl_info.user_splits = g_list_append(prpl_info.user_splits, split);

	// Creating the options for the protocol
	option = gaim_account_option_int_new(_("Port"), "port", 5298);
	prpl_info.protocol_options = g_list_append(prpl_info.protocol_options, option);

	option = gaim_account_option_string_new(_("First name"), "first", "Gaim");
	prpl_info.protocol_options = g_list_append(prpl_info.protocol_options, option);

	option = gaim_account_option_string_new(_("Last name"), "last", "User");
	prpl_info.protocol_options = g_list_append(prpl_info.protocol_options, option);

	option = gaim_account_option_string_new(_("Email"), "email", "");
	prpl_info.protocol_options = g_list_append(prpl_info.protocol_options, option);

	my_protocol = plugin;
}

GAIM_INIT_PLUGIN(bonjour, init_plugin, info);