Return-Path: From: Luiz Augusto von Dentz To: linux-bluetooth@vger.kernel.org Subject: [PATCH BlueZ 09/10] client: Implement AcquireNotify for server Date: Mon, 18 Sep 2017 15:40:00 +0300 Message-Id: <20170918124001.2617-10-luiz.dentz@gmail.com> In-Reply-To: <20170918124001.2617-1-luiz.dentz@gmail.com> References: <20170918124001.2617-1-luiz.dentz@gmail.com> Sender: linux-bluetooth-owner@vger.kernel.org List-ID: From: Luiz Augusto von Dentz This enables IO via file descriptors using AcquireNotify if server implements it. --- client/gatt.c | 69 ++++++++++++++++++++++++++++++++++++++++++++++++++++++++--- 1 file changed, 66 insertions(+), 3 deletions(-) diff --git a/client/gatt.c b/client/gatt.c index 6401fbd1a..1ca1159ad 100644 --- a/client/gatt.c +++ b/client/gatt.c @@ -76,6 +76,7 @@ struct chrc { uint8_t *value; uint16_t mtu; struct io *write_io; + struct io *notify_io; }; struct service { @@ -1349,6 +1350,33 @@ static gboolean chrc_write_acquired_exists(const GDBusPropertyTable *property, return FALSE; } +static gboolean chrc_get_notify_acquired(const GDBusPropertyTable *property, + DBusMessageIter *iter, void *data) +{ + struct chrc *chrc = data; + dbus_bool_t value; + + value = chrc->notify_io ? TRUE : FALSE; + + dbus_message_iter_append_basic(iter, DBUS_TYPE_BOOLEAN, &value); + + return TRUE; +} + +static gboolean chrc_notify_acquired_exists(const GDBusPropertyTable *property, + void *data) +{ + struct chrc *chrc = data; + int i; + + for (i = 0; chrc->flags[i]; i++) { + if (!strcmp("notify", chrc->flags[i])) + return TRUE; + } + + return FALSE; +} + static const GDBusPropertyTable chrc_properties[] = { { "UUID", "s", chrc_get_uuid, NULL, NULL }, { "Service", "o", chrc_get_service, NULL, NULL }, @@ -1357,6 +1385,8 @@ static const GDBusPropertyTable chrc_properties[] = { { "Flags", "as", chrc_get_flags, NULL, NULL }, { "WriteAcquired", "b", chrc_get_write_acquired, NULL, chrc_write_acquired_exists }, + { "NotifyAcquired", "b", chrc_get_notify_acquired, NULL, + chrc_notify_acquired_exists }, { } }; @@ -1481,10 +1511,13 @@ static DBusMessage *chrc_create_pipe(struct chrc *chrc, DBusMessage *msg) close(pipefd[dir]); - chrc->write_io = io; + if (dir) + chrc->write_io = io; + else + chrc->notify_io = io; - rl_printf("[" COLORED_CHG "] Attribute %s Write pipe acquired\n", - chrc->path); + rl_printf("[" COLORED_CHG "] Attribute %s %s pipe acquired\n", + chrc->path, dir ? "Write" : "Notify"); return reply; } @@ -1517,6 +1550,34 @@ static DBusMessage *chrc_acquire_write(DBusConnection *conn, DBusMessage *msg, return reply; } +static DBusMessage *chrc_acquire_notify(DBusConnection *conn, DBusMessage *msg, + void *user_data) +{ + struct chrc *chrc = user_data; + DBusMessageIter iter; + DBusMessage *reply; + + dbus_message_iter_init(msg, &iter); + + if (chrc->notify_io) + return g_dbus_create_error(msg, + "org.bluez.Error.NotPermitted", + NULL); + + if (parse_options(&iter, chrc)) + return g_dbus_create_error(msg, + "org.bluez.Error.InvalidArguments", + NULL); + + reply = chrc_create_pipe(chrc, msg); + + if (chrc->notify_io) + g_dbus_emit_property_changed(conn, chrc->path, CHRC_INTERFACE, + "NotifyAcquired"); + + return reply; +} + static DBusMessage *chrc_start_notify(DBusConnection *conn, DBusMessage *msg, void *user_data) { @@ -1570,6 +1631,8 @@ static const GDBusMethodTable chrc_methods[] = { NULL, chrc_write_value) }, { GDBUS_METHOD("AcquireWrite", GDBUS_ARGS({ "options", "a{sv}" }), NULL, chrc_acquire_write) }, + { GDBUS_METHOD("AcquireNotify", GDBUS_ARGS({ "options", "a{sv}" }), + NULL, chrc_acquire_notify) }, { GDBUS_ASYNC_METHOD("StartNotify", NULL, NULL, chrc_start_notify) }, { GDBUS_METHOD("StopNotify", NULL, NULL, chrc_stop_notify) }, { GDBUS_METHOD("Confirm", NULL, NULL, chrc_confirm) }, -- 2.13.5