From 327d9f3c90fbf2e6b2469f95478c4b3cc6947a88 Mon Sep 17 00:00:00 2001 From: "Gustavo F. Padovan" Date: Tue, 15 Feb 2011 16:21:03 -0300 Subject: [PATCH] dun_gw: Add DUN server plugin for oFono DUN server is probed when modem state changes to online. It registers DUN record to Bluetooth adapter and wait for incoming DUN connection. Based on a patch from Zhenhua Zhang --- Makefile.am | 3 + plugins/dun_gw.c | 164 +++++++++++++++++++++++++++++++++++++++++++++++ 2 files changed, 167 insertions(+) create mode 100644 plugins/dun_gw.c diff --git a/Makefile.am b/Makefile.am index 91ad448f..669ef53b 100644 --- a/Makefile.am +++ b/Makefile.am @@ -327,6 +327,9 @@ builtin_sources += plugins/hfp.c plugins/bluetooth.h builtin_modules += hfp_ag builtin_sources += plugins/hfp_ag.c plugins/bluetooth.h +builtin_modules += dun_gw +builtin_sources += plugins/dun_gw.c plugins/bluetooth.h + builtin_sources += $(btio_sources) builtin_cflags += @BLUEZ_CFLAGS@ builtin_libadd += @BLUEZ_LIBS@ diff --git a/plugins/dun_gw.c b/plugins/dun_gw.c new file mode 100644 index 00000000..2b6979a8 --- /dev/null +++ b/plugins/dun_gw.c @@ -0,0 +1,164 @@ +/* + * oFono - Open Source Telephony + * + * Copyright (C) 2010 Intel Corporation. All rights reserved. + * + * This program is free software; you can redistribute it and/or modify + * it under the terms of the GNU General Public License version 2 as + * published by the Free Software Foundation. + * + * 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., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA + * + */ + +#ifdef HAVE_CONFIG_H +#include +#endif +#include +#include +#include +#include +#include + +#define OFONO_API_SUBJECT_TO_CHANGE +#include +#include +#include +#include + +#include "bluetooth.h" + +#define DUN_GW_CHANNEL 1 + +static struct server *server; +static guint modemwatch_id; +static GList *modems; + +static const gchar *dun_record = " \ + \ + \ + \ + \ + \ + \ + \ + \ + \ + \ + \ + \ + \ + \ + \ + \ + \ + \ + \ + \ + \ + \ + \ + \ + \ + \ + \ + \ + \ + \ + \ +"; + +static void dun_gw_connect_cb(GIOChannel *io, GError *err, gpointer user_data) +{ + struct ofono_emulator *em = user_data; + struct ofono_modem *modem; + int fd; + + DBG(""); + + if (err) { + DBG("%s", err->message); + g_io_channel_shutdown(io, TRUE, NULL); + return; + } + + /* Pick the first powered modem */ + modem = modems->data; + DBG("Picked modem %p for emulator", modem); + + em = ofono_emulator_create(modem, OFONO_EMULATOR_TYPE_DUN); + if (em == NULL) { + g_io_channel_shutdown(io, TRUE, NULL); + return; + } + + fd = g_io_channel_unix_get_fd(io); + g_io_channel_set_close_on_unref(io, TRUE); + + ofono_emulator_register(em, fd); +} + +static void gprs_watch(struct ofono_atom *atom, + enum ofono_atom_watch_condition cond, + void *data) +{ + struct ofono_modem *modem = data; + + if (cond == OFONO_ATOM_WATCH_CONDITION_REGISTERED) { + modems = g_list_append(modems, modem); + + if (modems->next == NULL) + server = bluetooth_register_server(DUN_GW_CHANNEL, + dun_record, + dun_gw_connect_cb, + NULL); + } else { + modems = g_list_remove(modems, modem); + if (modems == NULL && server != NULL) { + bluetooth_unregister_server(server); + server = NULL; + } + } +} + +static void modem_watch(struct ofono_modem *modem, gboolean added, void *user) +{ + DBG("modem: %p, added: %d", modem, added); + + if (added == FALSE) + return; + + __ofono_modem_add_atom_watch(modem, OFONO_ATOM_TYPE_GPRS, + gprs_watch, modem, NULL); +} + +static void call_modemwatch(struct ofono_modem *modem, void *user) +{ + modem_watch(modem, TRUE, user); +} + +static int dun_gw_init(void) +{ + DBG(""); + + modemwatch_id = __ofono_modemwatch_add(modem_watch, NULL, NULL); + + __ofono_modem_foreach(call_modemwatch, NULL); + + return 0; +} + +static void dun_gw_exit(void) +{ + __ofono_modemwatch_remove(modemwatch_id); +} + +OFONO_PLUGIN_DEFINE(dun_gw, "Dial-up Networking Profile Plugins", VERSION, + OFONO_PLUGIN_PRIORITY_DEFAULT, dun_gw_init, dun_gw_exit)