hfp_ag: Add BlueZ 5 version
authorFrédéric Danis <frederic.danis@linux.intel.com>
Tue, 29 Jan 2013 10:42:40 +0000 (11:42 +0100)
committerDenis Kenzior <denkenz@gmail.com>
Thu, 31 Jan 2013 22:15:03 +0000 (16:15 -0600)
This patch adds initial implementation of the D-Bus Profile1
interface and methods responsible for handling Bluetooth connections.

The HFP AG profile interface is registered as soon as a voice capable
modem is registered in oFono.

Makefile.am
plugins/hfp_ag_bluez5.c [new file with mode: 0644]

index ee6d24c..ef4d314 100644 (file)
@@ -439,6 +439,9 @@ builtin_sources += plugins/bluez5.c plugins/bluez5.h
 
 builtin_modules += hfp_bluez5
 builtin_sources += plugins/hfp_hf_bluez5.c plugins/bluez5.h
+
+builtin_modules += hfp_ag_bluez5
+builtin_sources += plugins/hfp_ag_bluez5.c plugins/bluez5.h
 endif
 endif
 endif
diff --git a/plugins/hfp_ag_bluez5.c b/plugins/hfp_ag_bluez5.c
new file mode 100644 (file)
index 0000000..80dd601
--- /dev/null
@@ -0,0 +1,271 @@
+/*
+ *  oFono - Open Source Telephony
+ *
+ *  Copyright (C) 2011  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 <config.h>
+#endif
+#include <stdio.h>
+#include <string.h>
+#include <unistd.h>
+#include <errno.h>
+#include <stdint.h>
+#include <sys/socket.h>
+#include <glib.h>
+#include <ofono.h>
+
+#define OFONO_API_SUBJECT_TO_CHANGE
+#include <ofono/plugin.h>
+#include <ofono/log.h>
+#include <ofono/modem.h>
+#include <gdbus.h>
+
+#include "bluez5.h"
+
+#ifndef DBUS_TYPE_UNIX_FD
+#define DBUS_TYPE_UNIX_FD -1
+#endif
+
+#define HFP_AG_EXT_PROFILE_PATH   "/bluetooth/profile/hfp_ag"
+
+static guint modemwatch_id;
+static GList *modems;
+static GHashTable *sim_hash = NULL;
+
+static DBusMessage *profile_new_connection(DBusConnection *conn,
+                                               DBusMessage *msg, void *data)
+{
+       DBusMessageIter entry;
+       const char *device;
+       int fd;
+       struct ofono_emulator *em;
+       struct ofono_modem *modem;
+
+       DBG("Profile handler NewConnection");
+
+       if (dbus_message_iter_init(msg, &entry) == FALSE)
+               goto invalid;
+
+       if (dbus_message_iter_get_arg_type(&entry) != DBUS_TYPE_OBJECT_PATH)
+               goto invalid;
+
+       dbus_message_iter_get_basic(&entry, &device);
+       dbus_message_iter_next(&entry);
+
+       if (dbus_message_iter_get_arg_type(&entry) != DBUS_TYPE_UNIX_FD)
+               goto invalid;
+
+       dbus_message_iter_get_basic(&entry, &fd);
+       dbus_message_iter_next(&entry);
+
+       if (fd < 0)
+               goto invalid;
+
+       DBG("%s", device);
+
+       /* Pick the first voicecall capable modem */
+       modem = modems->data;
+       if (modem == NULL) {
+               close(fd);
+               return g_dbus_create_error(msg, BLUEZ_ERROR_INTERFACE
+                                               ".Rejected",
+                                               "No voice call capable modem");
+       }
+
+       DBG("Picked modem %p for emulator", modem);
+
+       em = ofono_emulator_create(modem, OFONO_EMULATOR_TYPE_HFP);
+       if (em == NULL) {
+               close(fd);
+               return g_dbus_create_error(msg, BLUEZ_ERROR_INTERFACE
+                                               ".Rejected",
+                                               "Not enough resources");
+       }
+
+       ofono_emulator_register(em, fd);
+
+       return dbus_message_new_method_return(msg);
+
+invalid:
+       return g_dbus_create_error(msg, BLUEZ_ERROR_INTERFACE ".Rejected",
+                                       "Invalid arguments in method call");
+}
+
+static DBusMessage *profile_release(DBusConnection *conn,
+                                       DBusMessage *msg, void *user_data)
+{
+       DBG("Profile handler Release");
+
+       return g_dbus_create_error(msg, BLUEZ_ERROR_INTERFACE
+                                               ".NotImplemented",
+                                               "Implementation not provided");
+}
+
+static DBusMessage *profile_cancel(DBusConnection *conn,
+                                       DBusMessage *msg, void *user_data)
+{
+       DBG("Profile handler Cancel");
+
+       return g_dbus_create_error(msg, BLUEZ_ERROR_INTERFACE
+                                       ".NotImplemented",
+                                       "Implementation not provided");
+}
+
+static DBusMessage *profile_disconnection(DBusConnection *conn,
+                                       DBusMessage *msg, void *user_data)
+{
+       DBG("Profile handler RequestDisconnection");
+
+       return g_dbus_create_error(msg, BLUEZ_ERROR_INTERFACE
+                                       ".NotImplemented",
+                                       "Implementation not provided");
+}
+
+static const GDBusMethodTable profile_methods[] = {
+       { GDBUS_ASYNC_METHOD("NewConnection",
+                               GDBUS_ARGS({ "device", "o"}, { "fd", "h"},
+                                               { "fd_properties", "a{sv}" }),
+                               NULL, profile_new_connection) },
+       { GDBUS_METHOD("Release", NULL, NULL, profile_release) },
+       { GDBUS_METHOD("Cancel", NULL, NULL, profile_cancel) },
+       { GDBUS_METHOD("RequestDisconnection",
+                               GDBUS_ARGS({"device", "o"}), NULL,
+                               profile_disconnection) },
+       { }
+};
+
+static void sim_state_watch(enum ofono_sim_state new_state, void *data)
+{
+       struct ofono_modem *modem = data;
+       DBusConnection *conn = ofono_dbus_get_connection();
+
+       if (new_state != OFONO_SIM_STATE_READY) {
+               if (modems == NULL)
+                       return;
+
+               modems = g_list_remove(modems, modem);
+               if (modems != NULL)
+                       return;
+
+               bluetooth_unregister_profile(conn, HFP_AG_EXT_PROFILE_PATH);
+
+               return;
+       }
+
+       if (__ofono_modem_find_atom(modem, OFONO_ATOM_TYPE_VOICECALL) == NULL)
+               return;
+
+       modems = g_list_append(modems, modem);
+
+       if (modems->next != NULL)
+               return;
+
+       bluetooth_register_profile(conn, HFP_AG_UUID, "hfp_ag",
+                                               HFP_AG_EXT_PROFILE_PATH);
+}
+
+static gboolean sim_watch_remove(gpointer key, gpointer value,
+                               gpointer user_data)
+{
+       struct ofono_sim *sim = key;
+
+       ofono_sim_remove_state_watch(sim, GPOINTER_TO_UINT(value));
+
+       return TRUE;
+}
+
+static void sim_watch(struct ofono_atom *atom,
+                               enum ofono_atom_watch_condition cond,
+                               void *data)
+{
+       struct ofono_sim *sim = __ofono_atom_get_data(atom);
+       struct ofono_modem *modem = data;
+       int watch;
+
+       if (cond == OFONO_ATOM_WATCH_CONDITION_UNREGISTERED) {
+               sim_state_watch(OFONO_SIM_STATE_NOT_PRESENT, modem);
+
+               sim_watch_remove(sim, g_hash_table_lookup(sim_hash, sim), NULL);
+               g_hash_table_remove(sim_hash, sim);
+
+               return;
+       }
+
+       watch = ofono_sim_add_state_watch(sim, sim_state_watch, modem, NULL);
+       g_hash_table_insert(sim_hash, sim, GUINT_TO_POINTER(watch));
+       sim_state_watch(ofono_sim_get_state(sim), modem);
+}
+
+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_SIM,
+                                       sim_watch, modem, NULL);
+}
+
+static void call_modemwatch(struct ofono_modem *modem, void *user)
+{
+       modem_watch(modem, TRUE, user);
+}
+
+static int hfp_ag_init(void)
+{
+       DBusConnection *conn = ofono_dbus_get_connection();
+
+       if (DBUS_TYPE_UNIX_FD < 0)
+               return -EBADF;
+
+       /* Registers External Profile handler */
+       if (!g_dbus_register_interface(conn, HFP_AG_EXT_PROFILE_PATH,
+                                       BLUEZ_PROFILE_INTERFACE,
+                                       profile_methods, NULL,
+                                       NULL, NULL, NULL)) {
+               ofono_error("Register Profile interface failed: %s",
+                                               HFP_AG_EXT_PROFILE_PATH);
+               return -EIO;
+       }
+
+       sim_hash = g_hash_table_new(g_direct_hash, g_direct_equal);
+
+       modemwatch_id = __ofono_modemwatch_add(modem_watch, NULL, NULL);
+       __ofono_modem_foreach(call_modemwatch, NULL);
+
+       return 0;
+}
+
+static void hfp_ag_exit(void)
+{
+       DBusConnection *conn = ofono_dbus_get_connection();
+
+       __ofono_modemwatch_remove(modemwatch_id);
+       g_dbus_unregister_interface(conn, HFP_AG_EXT_PROFILE_PATH,
+                                               BLUEZ_PROFILE_INTERFACE);
+
+       g_list_free(modems);
+       g_hash_table_foreach_remove(sim_hash, sim_watch_remove, NULL);
+       g_hash_table_destroy(sim_hash);
+}
+
+OFONO_PLUGIN_DEFINE(hfp_ag_bluez5, "Hands-Free Audio Gateway Profile Plugins",
+                               VERSION, OFONO_PLUGIN_PRIORITY_DEFAULT,
+                               hfp_ag_init, hfp_ag_exit)