From 46247817b79388af40b12066768f08a3a4d84454 Mon Sep 17 00:00:00 2001 From: Luiz Augusto von Dentz Date: Fri, 27 Jun 2014 21:08:49 +0300 Subject: [PATCH] android/dis: Add copy to Device Info implementation --- android/dis.c | 206 ++++++++++++++++++++++++++++++++++++++++++++++++++ 1 file changed, 206 insertions(+) create mode 100644 android/dis.c diff --git a/android/dis.c b/android/dis.c new file mode 100644 index 000000000..208598a54 --- /dev/null +++ b/android/dis.c @@ -0,0 +1,206 @@ +/* + * + * BlueZ - Bluetooth protocol stack for Linux + * + * Copyright (C) 2012 Texas Instruments, Inc. + * + * 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., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA + * + */ + +#ifdef HAVE_CONFIG_H +#include +#endif + +#include +#include + +#include + +#include "lib/uuid.h" +#include "src/plugin.h" +#include "src/adapter.h" +#include "src/device.h" +#include "src/profile.h" +#include "src/service.h" +#include "src/shared/util.h" +#include "attrib/gattrib.h" +#include "src/attio.h" +#include "attrib/att.h" +#include "attrib/gatt.h" +#include "src/log.h" + +#define PNP_ID_SIZE 7 + +struct deviceinfo { + struct btd_device *dev; /* Device reference */ + GAttrib *attrib; /* GATT connection */ + guint attioid; /* Att watcher id */ + struct att_range *svc_range; /* DeviceInfo range */ + GSList *chars; /* Characteristics */ +}; + +struct characteristic { + struct gatt_char attr; /* Characteristic */ + struct deviceinfo *d; /* deviceinfo where the char belongs */ +}; + +static void deviceinfo_driver_remove(struct btd_service *service) +{ + struct deviceinfo *d = btd_service_get_user_data(service); + + if (d->attioid > 0) + btd_device_remove_attio_callback(d->dev, d->attioid); + + if (d->attrib != NULL) + g_attrib_unref(d->attrib); + + g_slist_free_full(d->chars, g_free); + + btd_device_unref(d->dev); + g_free(d->svc_range); + g_free(d); +} + +static void read_pnpid_cb(guint8 status, const guint8 *pdu, guint16 len, + gpointer user_data) +{ + struct characteristic *ch = user_data; + uint8_t value[PNP_ID_SIZE]; + ssize_t vlen; + + if (status != 0) { + error("Error reading PNP_ID value: %s", att_ecode2str(status)); + return; + } + + vlen = dec_read_resp(pdu, len, value, sizeof(value)); + if (vlen < 0) { + error("Error reading PNP_ID: Protocol error"); + return; + } + + if (vlen < 7) { + error("Error reading PNP_ID: Invalid pdu length received"); + return; + } + + btd_device_set_pnpid(ch->d->dev, value[0], get_le16(&value[1]), + get_le16(&value[3]), get_le16(&value[5])); +} + +static void process_deviceinfo_char(struct characteristic *ch) +{ + if (g_strcmp0(ch->attr.uuid, PNPID_UUID) == 0) + gatt_read_char(ch->d->attrib, ch->attr.value_handle, + read_pnpid_cb, ch); +} + +static void configure_deviceinfo_cb(uint8_t status, GSList *characteristics, + void *user_data) +{ + struct deviceinfo *d = user_data; + GSList *l; + + if (status != 0) { + error("Discover deviceinfo characteristics: %s", + att_ecode2str(status)); + return; + } + + for (l = characteristics; l; l = l->next) { + struct gatt_char *c = l->data; + struct characteristic *ch; + + ch = g_new0(struct characteristic, 1); + ch->attr.handle = c->handle; + ch->attr.properties = c->properties; + ch->attr.value_handle = c->value_handle; + memcpy(ch->attr.uuid, c->uuid, MAX_LEN_UUID_STR + 1); + ch->d = d; + + d->chars = g_slist_append(d->chars, ch); + + process_deviceinfo_char(ch); + } +} +static void attio_connected_cb(GAttrib *attrib, gpointer user_data) +{ + struct deviceinfo *d = user_data; + + d->attrib = g_attrib_ref(attrib); + + gatt_discover_char(d->attrib, d->svc_range->start, d->svc_range->end, + NULL, configure_deviceinfo_cb, d); +} + +static void attio_disconnected_cb(gpointer user_data) +{ + struct deviceinfo *d = user_data; + + g_attrib_unref(d->attrib); + d->attrib = NULL; +} + +static int deviceinfo_register(struct btd_service *service, + struct gatt_primary *prim) +{ + struct btd_device *device = btd_service_get_device(service); + struct deviceinfo *d; + + d = g_new0(struct deviceinfo, 1); + d->dev = btd_device_ref(device); + d->svc_range = g_new0(struct att_range, 1); + d->svc_range->start = prim->range.start; + d->svc_range->end = prim->range.end; + + btd_service_set_user_data(service, d); + + d->attioid = btd_device_add_attio_callback(device, attio_connected_cb, + attio_disconnected_cb, d); + return 0; +} + +static int deviceinfo_driver_probe(struct btd_service *service) +{ + struct btd_device *device = btd_service_get_device(service); + struct gatt_primary *prim; + + prim = btd_device_get_primary(device, DEVICE_INFORMATION_UUID); + if (prim == NULL) + return -EINVAL; + + return deviceinfo_register(service, prim); +} + +static struct btd_profile deviceinfo_profile = { + .name = "deviceinfo", + .remote_uuid = DEVICE_INFORMATION_UUID, + .device_probe = deviceinfo_driver_probe, + .device_remove = deviceinfo_driver_remove +}; + +static int deviceinfo_init(void) +{ + return btd_profile_register(&deviceinfo_profile); +} + +static void deviceinfo_exit(void) +{ + btd_profile_unregister(&deviceinfo_profile); +} + +BLUETOOTH_PLUGIN_DEFINE(deviceinfo, VERSION, BLUETOOTH_PLUGIN_PRIORITY_DEFAULT, + deviceinfo_init, deviceinfo_exit) -- 2.47.3