diff options
Diffstat (limited to 'android/dis.c')
| -rw-r--r-- | android/dis.c | 293 |
1 files changed, 0 insertions, 293 deletions
diff --git a/android/dis.c b/android/dis.c deleted file mode 100644 index 0c208505b..000000000 --- a/android/dis.c +++ /dev/null @@ -1,293 +0,0 @@ -/* - * - * 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 <config.h> -#endif - -#include <stdbool.h> -#include <errno.h> - -#include <glib.h> - -#include "src/log.h" - -#include "lib/bluetooth.h" -#include "lib/sdp.h" -#include "lib/uuid.h" - -#include "src/shared/util.h" -#include "src/shared/queue.h" - -#include "attrib/gattrib.h" -#include "attrib/att.h" -#include "attrib/gatt.h" - -#include "android/dis.h" - -#define PNP_ID_SIZE 7 - -struct bt_dis { - int ref_count; - uint16_t handle; - uint8_t source; - uint16_t vendor; - uint16_t product; - uint16_t version; - GAttrib *attrib; /* GATT connection */ - struct gatt_primary *primary; /* Primary details */ - bt_dis_notify notify; - void *notify_data; - struct queue *gatt_op; -}; - -struct characteristic { - struct gatt_char attr; /* Characteristic */ - struct bt_dis *d; /* deviceinfo where the char belongs */ -}; - -struct gatt_request { - unsigned int id; - struct bt_dis *dis; - void *user_data; -}; - -static void destroy_gatt_req(struct gatt_request *req) -{ - queue_remove(req->dis->gatt_op, req); - bt_dis_unref(req->dis); - free(req); -} - -static void dis_free(struct bt_dis *dis) -{ - bt_dis_detach(dis); - - g_free(dis->primary); - queue_destroy(dis->gatt_op, (void *) destroy_gatt_req); - g_free(dis); -} - -struct bt_dis *bt_dis_new(void *primary) -{ - struct bt_dis *dis; - - dis = g_try_new0(struct bt_dis, 1); - if (!dis) - return NULL; - - dis->gatt_op = queue_new(); - - if (primary) - dis->primary = g_memdup(primary, sizeof(*dis->primary)); - - return bt_dis_ref(dis); -} - -struct bt_dis *bt_dis_ref(struct bt_dis *dis) -{ - if (!dis) - return NULL; - - __sync_fetch_and_add(&dis->ref_count, 1); - - return dis; -} - -void bt_dis_unref(struct bt_dis *dis) -{ - if (!dis) - return; - - if (__sync_sub_and_fetch(&dis->ref_count, 1)) - return; - - dis_free(dis); -} - -static struct gatt_request *create_request(struct bt_dis *dis, - void *user_data) -{ - struct gatt_request *req; - - req = new0(struct gatt_request, 1); - req->user_data = user_data; - req->dis = bt_dis_ref(dis); - - return req; -} - -static bool set_and_store_gatt_req(struct bt_dis *dis, - struct gatt_request *req, - unsigned int id) -{ - req->id = id; - return queue_push_head(dis->gatt_op, req); -} - -static void read_pnpid_cb(guint8 status, const guint8 *pdu, guint16 len, - gpointer user_data) -{ - struct gatt_request *req = user_data; - struct bt_dis *dis = req->user_data; - uint8_t value[PNP_ID_SIZE]; - ssize_t vlen; - - destroy_gatt_req(req); - - 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; - } - - dis->source = value[0]; - dis->vendor = get_le16(&value[1]); - dis->product = get_le16(&value[3]); - dis->version = get_le16(&value[5]); - - DBG("source: 0x%02X vendor: 0x%04X product: 0x%04X version: 0x%04X", - dis->source, dis->vendor, dis->product, dis->version); - - if (dis->notify) - dis->notify(dis->source, dis->vendor, dis->product, - dis->version, dis->notify_data); -} - -static void read_char(struct bt_dis *dis, GAttrib *attrib, uint16_t handle, - GAttribResultFunc func, gpointer user_data) -{ - struct gatt_request *req; - unsigned int id; - - req = create_request(dis, user_data); - - id = gatt_read_char(attrib, handle, func, req); - - if (set_and_store_gatt_req(dis, req, id)) - return; - - error("dis: Could not read characteristic"); - g_attrib_cancel(attrib, id); - free(req); -} - -static void discover_char(struct bt_dis *dis, GAttrib *attrib, - uint16_t start, uint16_t end, - bt_uuid_t *uuid, gatt_cb_t func, - gpointer user_data) -{ - struct gatt_request *req; - unsigned int id; - - req = create_request(dis, user_data); - - id = gatt_discover_char(attrib, start, end, uuid, func, req); - - if (set_and_store_gatt_req(dis, req, id)) - return; - - error("dis: Could not send discover characteristic"); - g_attrib_cancel(attrib, id); - free(req); -} - -static void configure_deviceinfo_cb(uint8_t status, GSList *characteristics, - void *user_data) -{ - struct gatt_request *req = user_data; - struct bt_dis *d = req->user_data; - GSList *l; - - destroy_gatt_req(req); - - 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; - - if (strcmp(c->uuid, PNPID_UUID) == 0) { - d->handle = c->value_handle; - read_char(d, d->attrib, d->handle, read_pnpid_cb, d); - break; - } - } -} - -bool bt_dis_attach(struct bt_dis *dis, void *attrib) -{ - struct gatt_primary *primary = dis->primary; - - if (dis->attrib || !primary) - return false; - - dis->attrib = g_attrib_ref(attrib); - - if (!dis->handle) - discover_char(dis, dis->attrib, primary->range.start, - primary->range.end, NULL, - configure_deviceinfo_cb, dis); - - return true; -} - -static void cancel_gatt_req(struct gatt_request *req) -{ - if (g_attrib_cancel(req->dis->attrib, req->id)) - destroy_gatt_req(req); -} - -void bt_dis_detach(struct bt_dis *dis) -{ - if (!dis->attrib) - return; - - queue_foreach(dis->gatt_op, (void *) cancel_gatt_req, NULL); - g_attrib_unref(dis->attrib); - dis->attrib = NULL; -} - -bool bt_dis_set_notification(struct bt_dis *dis, bt_dis_notify func, - void *user_data) -{ - if (!dis) - return false; - - dis->notify = func; - dis->notify_data = user_data; - - return true; -} |