---
Makefile.am | 1 +
src/shared/ccp.c | 1147 ++++++++++++++++++++++++++++++++++++++++++++++
src/shared/ccp.h | 45 ++
3 files changed, 1193 insertions(+)
create mode 100644 src/shared/ccp.c
create mode 100644 src/shared/ccp.h
diff --git a/Makefile.am b/Makefile.am
index 2b1b9acdf825..fdffdc478a16 100644
--- a/Makefile.am
+++ b/Makefile.am
@@ -230,6 +230,7 @@ shared_sources = src/shared/io.h src/shared/timeout.h \
src/shared/micp.c src/shared/micp.h \
src/shared/csip.c src/shared/csip.h \
src/shared/bass.h src/shared/bass.c \
+ src/shared/ccp.h src/shared/ccp.c \
src/shared/lc3.h src/shared/tty.h
if READLINE
diff --git a/src/shared/ccp.c b/src/shared/ccp.c
new file mode 100644
index 000000000000..9089779603bf
--- /dev/null
+++ b/src/shared/ccp.c
@@ -0,0 +1,1147 @@
+// SPDX-License-Identifier: LGPL-2.1-or-later
+/*
+ *
+ * BlueZ - Bluetooth protocol stack for Linux
+ *
+ * Copyright (C) 2022 Intel Corporation. All rights reserved.
+ *
+ */
+
+#define _GNU_SOURCE
+#include <inttypes.h>
+#include <string.h>
+#include <stdlib.h>
+#include <stdbool.h>
+#include <unistd.h>
+#include <errno.h>
+
+#include "lib/bluetooth.h"
+#include "lib/uuid.h"
+#include "lib/hci.h"
+
+#include "src/shared/queue.h"
+#include "src/shared/util.h"
+#include "src/shared/timeout.h"
+#include "src/shared/att.h"
+#include "src/shared/gatt-db.h"
+#include "src/shared/gatt-server.h"
+#include "src/shared/gatt-client.h"
+#include "src/shared/ccp.h"
+
+#define DBG(_ccp, fmt, arg...) \
+ ccp_debug(_ccp, "%s:%s() " fmt, __FILE__, __func__, ## arg)
+
+struct bt_ccp_db {
+ struct gatt_db *db;
+ struct bt_ccs *ccs;
+};
+
+struct bt_ccp_pending {
+ unsigned int id;
+ struct bt_ccp *ccp;
+ bt_gatt_client_read_callback_t func;
+ void *user_data;
+};
+
+struct event_callback {
+ const struct bt_ccp_event_callback *cbs;
+ void *user_data;
+};
+
+struct bt_ccp {
+ int ref_count;
+ struct bt_gatt_client *client;
+ struct bt_ccp_db *ldb;
+ struct bt_ccp_db *rdb;
+
+ unsigned int bearer_name_id;
+ unsigned int bearer_uci_id;
+ unsigned int bearer_technology_id;
+ unsigned int bearer_uri_schemes_list_id;
+ unsigned int signal_strength_id;
+ unsigned int signal_reporting_intrvl_id;
+ unsigned int current_call_list_id;
+ unsigned int ccid_id;
+ unsigned int status_flag_id;
+ unsigned int target_bearer_uri_id;
+ unsigned int call_state_id;
+ unsigned int call_control_pt_id;
+ unsigned int call_control_opt_opcode_id;
+ unsigned int termination_reason_id;
+ unsigned int incoming_call_id;
+ unsigned int friendly_name_id;
+
+ struct event_callback *cb;
+ struct queue *pending;
+
+ bt_ccp_debug_func_t debug_func;
+ bt_ccp_destroy_func_t debug_destroy;
+ void *debug_data;
+ void *user_data;
+};
+
+struct bt_ccs {
+ struct bt_ccp_db *mdb;
+ struct gatt_db_attribute *service;
+ struct gatt_db_attribute *bearer_name;
+ struct gatt_db_attribute *bearer_name_ccc;
+ struct gatt_db_attribute *bearer_uci;
+ struct gatt_db_attribute *bearer_technology;
+ struct gatt_db_attribute *bearer_technology_ccc;
+ struct gatt_db_attribute *bearer_uri_schemes_list;
+ struct gatt_db_attribute *signal_strength;
+ struct gatt_db_attribute *signal_strength_ccc;
+ struct gatt_db_attribute *signal_reporting_intrvl;
+ struct gatt_db_attribute *current_call_list;
+ struct gatt_db_attribute *current_call_list_ccc;
+ struct gatt_db_attribute *ccid;
+ struct gatt_db_attribute *status_flag;
+ struct gatt_db_attribute *status_flag_ccc;
+ struct gatt_db_attribute *target_bearer_uri;
+ struct gatt_db_attribute *call_state;
+ struct gatt_db_attribute *call_state_ccc;
+ struct gatt_db_attribute *call_ctrl_point;
+ struct gatt_db_attribute *call_ctrl_point_ccc;
+ struct gatt_db_attribute *call_ctrl_opt_opcode;
+ struct gatt_db_attribute *termination_reason;
+ struct gatt_db_attribute *termination_reason_ccc;
+ struct gatt_db_attribute *incoming_call;
+ struct gatt_db_attribute *incoming_call_ccc;
+ struct gatt_db_attribute *friendly_name;
+ struct gatt_db_attribute *friendly_name_ccc;
+};
+
+static struct queue *ccp_db;
+
+static void ccp_debug(struct bt_ccp *ccp, const char *format, ...)
+{
+ va_list ap;
+
+ if (!ccp || !format || !ccp->debug_func)
+ return;
+
+ va_start(ap, format);
+ util_debug_va(ccp->debug_func, ccp->debug_data, format, ap);
+ va_end(ap);
+}
+
+static bool ccp_db_match(const void *data, const void *match_data)
+{
+ const struct bt_ccp_db *mdb = data;
+ const struct gatt_db *db = match_data;
+
+ return (mdb->db == db);
+}
+
+static void ccp_db_free(void *data)
+{
+ struct bt_ccp_db *bdb = data;
+
+ if (!bdb)
+ return;
+
+ gatt_db_unref(bdb->db);
+
+ free(bdb->ccs);
+ free(bdb);
+}
+
+static void ccp_free(void *data)
+{
+ struct bt_ccp *ccp = data;
+
+ DBG(ccp, "");
+
+ bt_ccp_detach(ccp);
+ ccp_db_free(ccp->rdb);
+ queue_destroy(ccp->pending, NULL);
+
+ free(ccp);
+}
+
+struct bt_ccp *bt_ccp_ref(struct bt_ccp *ccp)
+{
+ if (!ccp)
+ return NULL;
+
+ __sync_fetch_and_add(&ccp->ref_count, 1);
+
+ return ccp;
+}
+
+void bt_ccp_unref(struct bt_ccp *ccp)
+{
+ if (!ccp)
+ return;
+
+ if (__sync_sub_and_fetch(&ccp->ref_count, 1))
+ return;
+
+ ccp_free(ccp);
+}
+
+bool bt_ccp_set_user_data(struct bt_ccp *ccp, void *user_data)
+{
+ if (!ccp)
+ return false;
+
+ ccp->user_data = user_data;
+
+ return true;
+}
+
+void *bt_ccp_get_user_data(struct bt_ccp *ccp)
+{
+ if (!ccp)
+ return NULL;
+
+ return ccp->user_data;
+}
+
+bool bt_ccp_set_debug(struct bt_ccp *ccp, bt_ccp_debug_func_t func,
+ void *user_data, bt_ccp_destroy_func_t destroy)
+{
+ if (!ccp)
+ return false;
+
+ if (ccp->debug_destroy)
+ ccp->debug_destroy(ccp->debug_data);
+
+ ccp->debug_func = func;
+ ccp->debug_destroy = destroy;
+ ccp->debug_data = user_data;
+
+ return true;
+}
+
+static void ccs_call_state_read(struct gatt_db_attribute *attrib,
+ unsigned int id, uint16_t offset,
+ uint8_t opcode, struct bt_att *att,
+ void *user_data)
+{
+ int call_state = 0;
+ struct iovec iov;
+
+ iov.iov_base = &call_state;
+ iov.iov_len = sizeof(int);
+
+ gatt_db_attribute_read_result(attrib, id, 0, iov.iov_base,
+ iov.iov_len);
+}
+
+static void ccs_call_state_write(struct gatt_db_attribute *attrib,
+ unsigned int id, uint16_t offset,
+ const uint8_t *value, size_t len,
+ uint8_t opcode, struct bt_att *att,
+ void *user_data)
+{
+ gatt_db_attribute_write_result(attrib, id,
+ BT_ATT_ERROR_INSUFFICIENT_RESOURCES);
+}
+
+static struct bt_ccs *ccs_new(struct gatt_db *db)
+{
+ struct bt_ccs *ccs;
+ bt_uuid_t uuid;
+
+ if (!db)
+ return NULL;
+
+ ccs = new0(struct bt_ccs, 1);
+
+ /* Populate DB with ccs attributes */
+ bt_uuid16_create(&uuid, GTBS_UUID);
+ ccs->service = gatt_db_add_service(db, &uuid, true, 42);
+
+ bt_uuid16_create(&uuid, BEARER_PROVIDER_NAME_CHRC_UUID);
+ ccs->bearer_name = gatt_db_service_add_characteristic(ccs->service,
+ &uuid, BT_ATT_PERM_READ,
+ BT_GATT_CHRC_PROP_READ | BT_GATT_CHRC_PROP_NOTIFY,
+ ccs_call_state_read, NULL, ccs);
+
+ ccs->bearer_name_ccc = gatt_db_service_add_ccc(ccs->service,
+ BT_ATT_PERM_READ | BT_ATT_PERM_WRITE);
+
+ bt_uuid16_create(&uuid, BEARER_UCI_CHRC_UUID);
+ ccs->bearer_uci = gatt_db_service_add_characteristic(ccs->service,
+ &uuid, BT_ATT_PERM_READ,
+ BT_GATT_CHRC_PROP_READ, ccs_call_state_read,
+ NULL, ccs);
+
+ bt_uuid16_create(&uuid, BEARER_TECH_CHRC_UUID);
+ ccs->bearer_technology = gatt_db_service_add_characteristic(ccs->service,
+ &uuid, BT_ATT_PERM_READ,
+ BT_GATT_CHRC_PROP_READ | BT_GATT_CHRC_PROP_NOTIFY,
+ ccs_call_state_read, NULL,
+ ccs);
+
+ ccs->bearer_technology_ccc = gatt_db_service_add_ccc(ccs->service,
+ BT_ATT_PERM_READ | BT_ATT_PERM_WRITE);
+
+ bt_uuid16_create(&uuid, BEARER_URI_SCHEME_CHRC_UUID);
+ ccs->bearer_uri_schemes_list = gatt_db_service_add_characteristic(ccs->service,
+ &uuid, BT_ATT_PERM_READ,
+ BT_GATT_CHRC_PROP_READ,
+ ccs_call_state_read, NULL,
+ ccs);
+
+ bt_uuid16_create(&uuid, BEARER_SIGNAL_STR_CHRC_UUID);
+ ccs->signal_strength = gatt_db_service_add_characteristic(ccs->service,
+ &uuid, BT_ATT_PERM_READ,
+ BT_GATT_CHRC_PROP_READ | BT_GATT_CHRC_PROP_NOTIFY,
+ ccs_call_state_read, NULL,
+ ccs);
+
+ ccs->signal_strength_ccc = gatt_db_service_add_ccc(ccs->service,
+ BT_ATT_PERM_READ | BT_ATT_PERM_WRITE);
+
+ bt_uuid16_create(&uuid, BEARER_SIGNAL_INTRVL_CHRC_UUID);
+ ccs->signal_reporting_intrvl = gatt_db_service_add_characteristic(ccs->service,
+ &uuid, BT_ATT_PERM_READ | BT_ATT_PERM_WRITE,
+ BT_GATT_CHRC_PROP_READ | BT_GATT_CHRC_PROP_WRITE |
+ BT_GATT_CHRC_PROP_WRITE_WITHOUT_RESP,
+ ccs_call_state_read, ccs_call_state_write,
+ ccs);
+
+ bt_uuid16_create(&uuid, CURR_CALL_LIST_CHRC_UUID);
+ ccs->current_call_list = gatt_db_service_add_characteristic(ccs->service,
+ &uuid, BT_ATT_PERM_READ,
+ BT_GATT_CHRC_PROP_READ | BT_GATT_CHRC_PROP_NOTIFY,
+ ccs_call_state_read, NULL,
+ ccs);
+
+ ccs->current_call_list_ccc = gatt_db_service_add_ccc(ccs->service,
+ BT_ATT_PERM_READ | BT_ATT_PERM_WRITE);
+
+ bt_uuid16_create(&uuid, BEARER_CCID_CHRC_UUID);
+ ccs->ccid = gatt_db_service_add_characteristic(ccs->service,
+ &uuid, BT_ATT_PERM_READ,
+ BT_GATT_CHRC_PROP_READ,
+ ccs_call_state_read, NULL,
+ ccs);
+
+ bt_uuid16_create(&uuid, CALL_STATUS_FLAG_CHRC_UUID);
+ ccs->status_flag = gatt_db_service_add_characteristic(ccs->service,
+ &uuid, BT_ATT_PERM_READ,
+ BT_GATT_CHRC_PROP_READ | BT_GATT_CHRC_PROP_NOTIFY,
+ ccs_call_state_read, NULL,
+ ccs);
+
+ ccs->status_flag_ccc = gatt_db_service_add_ccc(ccs->service,
+ BT_ATT_PERM_READ | BT_ATT_PERM_WRITE);
+
+ bt_uuid16_create(&uuid, INCOM_CALL_TARGET_URI_CHRC_UUID);
+ ccs->target_bearer_uri = gatt_db_service_add_characteristic(ccs->service,
+ &uuid, BT_ATT_PERM_READ,
+ BT_GATT_CHRC_PROP_READ,
+ ccs_call_state_read, NULL,
+ ccs);
+
+ bt_uuid16_create(&uuid, CALL_STATE_CHRC_UUID);
+ ccs->call_ctrl_point = gatt_db_service_add_characteristic(ccs->service,
+ &uuid, BT_ATT_PERM_READ,
+ BT_GATT_CHRC_PROP_READ | BT_GATT_CHRC_PROP_NOTIFY,
+ ccs_call_state_read, NULL,
+ ccs);
+
+ ccs->call_ctrl_point_ccc = gatt_db_service_add_ccc(ccs->service,
+ BT_ATT_PERM_READ | BT_ATT_PERM_WRITE);
+
+ bt_uuid16_create(&uuid, CALL_CTRL_POINT_CHRC_UUID);
+ ccs->call_ctrl_opt_opcode = gatt_db_service_add_characteristic(ccs->service,
+ &uuid, BT_ATT_PERM_WRITE,
+ BT_GATT_CHRC_PROP_WRITE | BT_GATT_CHRC_PROP_WRITE_WITHOUT_RESP |
+ BT_GATT_CHRC_PROP_NOTIFY,
+ NULL, ccs_call_state_write,
+ ccs);
+
+ bt_uuid16_create(&uuid, CALL_CTRL_POINT_OPT_OPCODE_CHRC_UUID);
+ ccs->call_ctrl_opt_opcode = gatt_db_service_add_characteristic(ccs->service,
+ &uuid, BT_ATT_PERM_READ,
+ BT_GATT_CHRC_PROP_READ,
+ ccs_call_state_read, NULL,
+ ccs);
+
+ bt_uuid16_create(&uuid, TERMINATION_REASON_CHRC_UUID);
+ ccs->termination_reason = gatt_db_service_add_characteristic(ccs->service,
+ &uuid, BT_ATT_PERM_READ,
+ BT_GATT_CHRC_PROP_READ | BT_GATT_CHRC_PROP_NOTIFY,
+ ccs_call_state_read, NULL,
+ ccs);
+
+ bt_uuid16_create(&uuid, INCOMING_CALL_CHRC_UUID);
+ ccs->incoming_call = gatt_db_service_add_characteristic(ccs->service,
+ &uuid, BT_ATT_PERM_NONE,
+ BT_GATT_CHRC_PROP_NOTIFY,
+ NULL, NULL,
+ ccs);
+
+ ccs->incoming_call_ccc = gatt_db_service_add_ccc(ccs->service,
+ BT_ATT_PERM_READ | BT_ATT_PERM_WRITE);
+
+ bt_uuid16_create(&uuid, CALL_FRIENDLY_NAME_CHRC_UUID);
+ ccs->friendly_name = gatt_db_service_add_characteristic(ccs->service,
+ &uuid, BT_ATT_PERM_READ,
+ BT_GATT_CHRC_PROP_READ | BT_GATT_CHRC_PROP_NOTIFY,
+ ccs_call_state_read, NULL,
+ ccs);
+
+ ccs->friendly_name_ccc = gatt_db_service_add_ccc(ccs->service,
+ BT_ATT_PERM_READ | BT_ATT_PERM_WRITE);
+
+ gatt_db_service_set_active(ccs->service, false);
+
+ return ccs;
+}
+
+static struct bt_ccs *ccp_get_ccs(struct bt_ccp *ccp)
+{
+ if (!ccp)
+ return NULL;
+
+ if (ccp->rdb->ccs)
+ return ccp->rdb->ccs;
+
+ ccp->rdb->ccs = new0(struct bt_ccs, 1);
+ ccp->rdb->ccs->mdb = ccp->rdb;
+
+ return ccp->rdb->ccs;
+}
+
+static void ccp_pending_destroy(void *data)
+{
+ struct bt_ccp_pending *pending = data;
+ struct bt_ccp *ccp = pending->ccp;
+
+ queue_remove_if(ccp->pending, NULL, pending);
+}
+
+static void ccp_pending_complete(bool success, uint8_t att_ecode,
+ const uint8_t *value, uint16_t length,
+ void *user_data)
+{
+ struct bt_ccp_pending *pending = user_data;
+
+ if (pending->func)
+ pending->func(success, att_ecode, value, length,
+ pending->user_data);
+}
+
+static void ccp_read_value(struct bt_ccp *ccp, uint16_t value_handle,
+ bt_gatt_client_read_callback_t func,
+ void *user_data)
+{
+ struct bt_ccp_pending *pending;
+
+ pending = new0(struct bt_ccp_pending, 1);
+ pending->ccp = ccp;
+ pending->func = func;
+ pending->user_data = user_data;
+
+ pending->id = bt_gatt_client_read_value(ccp->client, value_handle,
+ ccp_pending_complete, pending,
+ ccp_pending_destroy);
+ if (!pending->id) {
+ DBG(ccp, "Unable to send Read request");
+ free(pending);
+ return;
+ }
+
+ queue_push_tail(ccp->pending, pending);
+}
+
+static void read_call_back(bool success, uint8_t att_ecode,
+ const uint8_t *value, uint16_t length,
+ void *user_data)
+{
+ struct bt_ccp *ccp = user_data;
+
+ DBG(ccp, "");
+
+ if (!success) {
+ DBG(ccp, "Unable to read call state: error 0x%02x",
+ att_ecode);
+ return;
+ }
+}
+
+static void ccp_cb_register(uint16_t att_ecode, void *user_data)
+{
+ struct bt_ccp *ccp = user_data;
+
+ if (att_ecode)
+ DBG(ccp, "ccp cb notification failed: 0x%04x",
+ att_ecode);
+
+ /* TODO: generic handler for non-mandatory CCP call backs */
+}
+
+static void ccp_cb_notify(uint16_t value_handle, const uint8_t *value,
+ uint16_t length, void *user_data)
+{
+ /* TODO: generic handler for non-mandatory CCP notifications */
+}
+
+static void ccp_cb_status_flag_register(uint16_t att_ecode, void *user_data)
+{
+ struct bt_ccp *ccp = user_data;
+
+ if (att_ecode)
+ DBG(ccp, "ccp cb notification failed: 0x%04x", att_ecode);
+}
+
+static void ccp_cb_status_flag_notify(uint16_t value_handle, const uint8_t *value,
+ uint16_t length, void *user_data)
+{
+ struct bt_ccp *ccp = user_data;
+
+ DBG(ccp, "");
+
+ if (!length)
+ return;
+}
+
+static void ccp_cb_terminate_register(uint16_t att_ecode, void *user_data)
+{
+ struct bt_ccp *ccp = user_data;
+
+ if (att_ecode)
+ DBG(ccp, "ccp cb notification failed: 0x%04x",
+ att_ecode);
+}
+
+static void ccp_cb_terminate_notify(uint16_t value_handle, const uint8_t *value,
+ uint16_t length, void *user_data)
+{
+ struct bt_ccp *ccp = user_data;
+
+ DBG(ccp, "");
+
+ if (!length)
+ return;
+
+ /* TODO: update call state in Local context */
+}
+
+static void ccp_cb_bearer_name_register(uint16_t att_ecode, void *user_data)
+{
+ struct bt_ccp *ccp = user_data;
+
+ DBG(ccp, "");
+
+ if (att_ecode)
+ DBG(ccp, "ccp cb notification failed: 0x%04x",
+ att_ecode);
+}
+
+static void ccp_cb_bearer_name_notify(uint16_t value_handle, const uint8_t *value,
+ uint16_t length, void *user_data)
+{
+ struct bt_ccp *ccp = user_data;
+
+ DBG(ccp, "");
+
+ if (!length)
+ return;
+
+ /* TODO: update call details in Local context */
+}
+
+static void ccp_cb_call_list_register(uint16_t att_ecode, void *user_data)
+{
+ struct bt_ccp *ccp = user_data;
+
+ DBG(ccp, "");
+
+ if (att_ecode)
+ DBG(ccp, "ccp cb notification failed: 0x%04x", att_ecode);
+}
+
+static void ccp_cb_call_list_notify(uint16_t value_handle, const uint8_t *value,
+ uint16_t length, void *user_data)
+{
+ struct bt_ccp *ccp = user_data;
+
+ DBG(ccp, "");
+
+ if (!length)
+ return;
+
+ /* TODO: update call list in Local context */
+}
+
+static void ccp_cb_call_state_register(uint16_t att_ecode, void *user_data)
+{
+ struct bt_ccp *ccp = user_data;
+
+ DBG(ccp, "");
+
+ if (att_ecode)
+ DBG(ccp, "ccp cb notification failed: 0x%04x",
+ att_ecode);
+}
+
+static void ccp_cb_call_state_notify(uint16_t value_handle, const uint8_t *value,
+ uint16_t length, void *user_data)
+{
+ struct bt_ccp *ccp = user_data;
+
+ DBG(ccp, "");
+
+ if (!length)
+ return;
+
+ /* TODO: update call state in Local context */
+}
+
+static void ccp_cb_incom_call_register(uint16_t att_ecode, void *user_data)
+{
+ struct bt_ccp *ccp = user_data;
+
+ DBG(ccp, "");
+
+ if (att_ecode)
+ DBG(ccp, "ccp cb notification failed: 0x%04x",
+ att_ecode);
+}
+
+static void ccp_cb_incom_call_notify(uint16_t value_handle, const uint8_t *value,
+ uint16_t length, void *user_data)
+{
+ struct bt_ccp *ccp = user_data;
+
+ DBG(ccp, "");
+
+ if (!length)
+ return;
+
+ /* TODO: Handle incoming call notofiation, Answer/reject etc */
+}
+
+static void bt_ccp_incom_call_attach(struct bt_ccp *ccp)
+{
+ uint16_t value_handle;
+ struct bt_ccs *ccs = ccp_get_ccs(ccp);
+
+ DBG(ccp, "");
+
+ if (!gatt_db_attribute_get_char_data(ccs->incoming_call, NULL, &value_handle,
+ NULL, NULL, NULL))
+ return;
+
+ ccp_read_value(ccp, value_handle, read_call_back, ccp);
+
+ ccp->incoming_call_id = bt_gatt_client_register_notify(ccp->client,
+ value_handle, ccp_cb_incom_call_register,
+ ccp_cb_incom_call_notify, ccp, NULL);
+}
+
+static void bt_ccp_call_state_attach(struct bt_ccp *ccp)
+{
+ uint16_t value_handle;
+ struct bt_ccs *ccs = ccp_get_ccs(ccp);
+
+ DBG(ccp, "");
+
+ if (!gatt_db_attribute_get_char_data(ccs->call_state, NULL, &value_handle,
+ NULL, NULL, NULL))
+ return;
+
+ ccp_read_value(ccp, value_handle, read_call_back, ccp);
+
+ ccp->call_state_id = bt_gatt_client_register_notify(ccp->client,
+ value_handle, ccp_cb_call_state_register,
+ ccp_cb_call_state_notify, ccp, NULL);
+}
+
+static void bt_ccp_call_list_attach(struct bt_ccp *ccp)
+{
+ uint16_t value_handle;
+ struct bt_ccs *ccs = ccp_get_ccs(ccp);
+
+ DBG(ccp, "");
+
+ if (!gatt_db_attribute_get_char_data(ccs->current_call_list, NULL, &value_handle,
+ NULL, NULL, NULL))
+ return;
+
+ ccp_read_value(ccp, value_handle, read_call_back, ccp);
+
+ ccp->current_call_list_id = bt_gatt_client_register_notify(ccp->client,
+ value_handle, ccp_cb_call_list_register,
+ ccp_cb_call_list_notify, ccp, NULL);
+}
+
+static void bt_ccp_name_attach(struct bt_ccp *ccp)
+{
+ uint16_t value_handle;
+ struct bt_ccs *ccs = ccp_get_ccs(ccp);
+
+ DBG(ccp, "");
+
+ if (!gatt_db_attribute_get_char_data(ccs->bearer_name, NULL, &value_handle,
+ NULL, NULL, NULL))
+ return;
+
+ ccp_read_value(ccp, value_handle, read_call_back, ccp);
+
+ ccp->bearer_name_id = bt_gatt_client_register_notify(ccp->client,
+ value_handle, ccp_cb_bearer_name_register,
+ ccp_cb_bearer_name_notify, ccp, NULL);
+}
+
+static void bt_ccp_term_reason_attach(struct bt_ccp *ccp)
+{
+ uint16_t value_handle;
+ struct bt_ccs *ccs = ccp_get_ccs(ccp);
+
+ DBG(ccp, "");
+
+ if (!gatt_db_attribute_get_char_data(ccs->termination_reason, NULL, &value_handle,
+ NULL, NULL, NULL))
+ return;
+
+ ccp_read_value(ccp, value_handle, read_call_back, ccp);
+
+ ccp->termination_reason_id = bt_gatt_client_register_notify(ccp->client,
+ value_handle, ccp_cb_terminate_register,
+ ccp_cb_terminate_notify, ccp, NULL);
+}
+
+static void bt_ccp_status_attach(struct bt_ccp *ccp)
+{
+ uint16_t value_handle;
+ struct bt_ccs *ccs = ccp_get_ccs(ccp);
+
+ DBG(ccp, "");
+
+ if (!gatt_db_attribute_get_char_data(ccs->status_flag, NULL, &value_handle,
+ NULL, NULL, NULL))
+ return;
+
+ ccp_read_value(ccp, value_handle, read_call_back, ccp);
+
+ ccp->status_flag_id = bt_gatt_client_register_notify(ccp->client,
+ value_handle, ccp_cb_status_flag_register,
+ ccp_cb_status_flag_notify, ccp, NULL);
+}
+
+static void bt_ccp_uci_attach(struct bt_ccp *ccp)
+{
+ uint16_t value_handle;
+ struct bt_ccs *ccs = ccp_get_ccs(ccp);
+
+ DBG(ccp, "");
+
+ if (!gatt_db_attribute_get_char_data(ccs->bearer_uci, NULL, &value_handle,
+ NULL, NULL, NULL))
+ return;
+
+ ccp_read_value(ccp, value_handle, read_call_back, ccp);
+
+ ccp->bearer_uci_id = bt_gatt_client_register_notify(ccp->client,
+ value_handle, ccp_cb_register,
+ ccp_cb_notify, ccp, NULL);
+}
+
+static void bt_ccp_technology_attach(struct bt_ccp *ccp)
+{
+ uint16_t value_handle;
+ struct bt_ccs *ccs = ccp_get_ccs(ccp);
+
+ DBG(ccp, "");
+
+ if (!gatt_db_attribute_get_char_data(ccs->bearer_technology, NULL, &value_handle,
+ NULL, NULL, NULL))
+ return;
+
+ ccp_read_value(ccp, value_handle, read_call_back, ccp);
+
+ ccp->bearer_technology_id = bt_gatt_client_register_notify(ccp->client,
+ value_handle, ccp_cb_register,
+ ccp_cb_notify, ccp, NULL);
+}
+static void bt_ccp_strength_attach(struct bt_ccp *ccp)
+{
+ uint16_t value_handle;
+ struct bt_ccs *ccs = ccp_get_ccs(ccp);
+
+ DBG(ccp, "");
+
+ if (!gatt_db_attribute_get_char_data(ccs->signal_strength, NULL, &value_handle,
+ NULL, NULL, NULL))
+ return;
+
+ ccp_read_value(ccp, value_handle, read_call_back, ccp);
+
+ ccp->signal_strength_id = bt_gatt_client_register_notify(ccp->client,
+ value_handle, ccp_cb_register,
+ ccp_cb_notify, ccp, NULL);
+}
+
+static void bt_ccp_ccid_attach(struct bt_ccp *ccp)
+{
+ uint16_t value_handle;
+ struct bt_ccs *ccs = ccp_get_ccs(ccp);
+
+ DBG(ccp, "");
+
+ if (!gatt_db_attribute_get_char_data(ccs->ccid, NULL, &value_handle,
+ NULL, NULL, NULL))
+ return;
+
+ ccp_read_value(ccp, value_handle, read_call_back, ccp);
+
+ ccp->ccid_id = bt_gatt_client_register_notify(ccp->client,
+ value_handle, ccp_cb_register,
+ ccp_cb_notify, ccp, NULL);
+}
+static void bt_ccp_tar_uri_attach(struct bt_ccp *ccp)
+{
+ uint16_t value_handle;
+ struct bt_ccs *ccs = ccp_get_ccs(ccp);
+
+ DBG(ccp, "");
+
+ if (!gatt_db_attribute_get_char_data(ccs->target_bearer_uri, NULL, &value_handle,
+ NULL, NULL, NULL))
+ return;
+
+ ccp_read_value(ccp, value_handle, read_call_back, ccp);
+
+ ccp->target_bearer_uri_id = bt_gatt_client_register_notify(ccp->client,
+ value_handle, ccp_cb_register,
+ ccp_cb_notify, ccp, NULL);
+}
+
+static void bt_ccp_ctrl_point_attach(struct bt_ccp *ccp)
+{
+ uint16_t value_handle;
+ struct bt_ccs *ccs = ccp_get_ccs(ccp);
+
+ DBG(ccp, "");
+
+ if (!gatt_db_attribute_get_char_data(ccs->call_ctrl_point, NULL, &value_handle,
+ NULL, NULL, NULL))
+ return;
+
+ ccp_read_value(ccp, value_handle, read_call_back, ccp);
+
+ ccp->call_control_pt_id = bt_gatt_client_register_notify(ccp->client,
+ value_handle, ccp_cb_register,
+ ccp_cb_notify, ccp, NULL);
+}
+
+static void bt_ccp_ctrl_opcode_attach(struct bt_ccp *ccp)
+{
+ uint16_t value_handle;
+ struct bt_ccs *ccs = ccp_get_ccs(ccp);
+
+ DBG(ccp, "");
+
+ if (!gatt_db_attribute_get_char_data(ccs->call_ctrl_opt_opcode, NULL, &value_handle,
+ NULL, NULL, NULL))
+ return;
+
+ ccp_read_value(ccp, value_handle, read_call_back, ccp);
+
+ ccp->call_control_opt_opcode_id = bt_gatt_client_register_notify(ccp->client,
+ value_handle, ccp_cb_register,
+ ccp_cb_notify, ccp, NULL);
+}
+
+static void bt_ccp_friendly_name_attach(struct bt_ccp *ccp)
+{
+ uint16_t value_handle;
+ struct bt_ccs *ccs = ccp_get_ccs(ccp);
+
+ DBG(ccp, "");
+
+ if (!gatt_db_attribute_get_char_data(ccs->friendly_name, NULL, &value_handle,
+ NULL, NULL, NULL))
+ return;
+
+ ccp_read_value(ccp, value_handle, read_call_back, ccp);
+
+ ccp->friendly_name_id = bt_gatt_client_register_notify(ccp->client,
+ value_handle, ccp_cb_register,
+ ccp_cb_notify, ccp, NULL);
+}
+
+static void bt_ccp_signal_intrvl_attach(struct bt_ccp *ccp)
+{
+ uint16_t value_handle;
+ struct bt_ccs *ccs = ccp_get_ccs(ccp);
+
+ DBG(ccp, "");
+
+ if (!gatt_db_attribute_get_char_data(ccs->signal_reporting_intrvl, NULL, &value_handle,
+ NULL, NULL, NULL))
+ return;
+
+ ccp_read_value(ccp, value_handle, read_call_back, ccp);
+
+ ccp->signal_reporting_intrvl_id = bt_gatt_client_register_notify(ccp->client,
+ value_handle, ccp_cb_register,
+ ccp_cb_notify, ccp, NULL);
+}
+
+static void bt_ccp_uri_list_attach(struct bt_ccp *ccp)
+{
+ uint16_t value_handle;
+ struct bt_ccs *ccs = ccp_get_ccs(ccp);
+
+ DBG(ccp, "");
+
+ if (!gatt_db_attribute_get_char_data(ccs->bearer_uri_schemes_list, NULL, &value_handle,
+ NULL, NULL, NULL))
+ return;
+
+ ccp_read_value(ccp, value_handle, read_call_back, ccp);
+
+ ccp->bearer_uri_schemes_list_id = bt_gatt_client_register_notify(ccp->client,
+ value_handle, ccp_cb_register,
+ ccp_cb_notify, ccp, NULL);
+}
+
+static void foreach_ccs_char(struct gatt_db_attribute *attr, void *user_data)
+{
+ struct bt_ccp *ccp = user_data;
+ struct bt_ccs *ccs;
+ uint16_t value_handle;
+ bt_uuid_t uuid;
+
+ if (!gatt_db_attribute_get_char_data(attr, NULL, &value_handle,
+ NULL, NULL, &uuid))
+ return;
+
+ ccs = ccp_get_ccs(ccp);
+ if (!ccs || ccs->call_state)
+ return;
+
+ if (bt_uuid16_cmp(&uuid, BEARER_PROVIDER_NAME_CHRC_UUID)) {
+ DBG(ccp, "Found Bearer Name, handle 0x%04x", value_handle);
+
+ ccs->bearer_name = attr;
+ bt_ccp_name_attach(ccp);
+ }
+
+ if (bt_uuid16_cmp(&uuid, BEARER_UCI_CHRC_UUID)) {
+ DBG(ccp, "Found Bearer Uci, handle 0x%04x", value_handle);
+
+ ccs->bearer_uci = attr;
+ bt_ccp_uci_attach(ccp);
+ }
+
+ if (bt_uuid16_cmp(&uuid, BEARER_TECH_CHRC_UUID)) {
+ DBG(ccp, "Found Bearer Technology, handle 0x%04x", value_handle);
+
+ ccs->bearer_technology = attr;
+ bt_ccp_technology_attach(ccp);
+ }
+
+ if (bt_uuid16_cmp(&uuid, BEARER_SIGNAL_STR_CHRC_UUID)) {
+ DBG(ccp, "Found Signal Strength, handle 0x%04x", value_handle);
+
+ ccs->signal_strength = attr;
+ bt_ccp_strength_attach(ccp);
+ }
+
+ if (bt_uuid16_cmp(&uuid, BEARER_SIGNAL_INTRVL_CHRC_UUID)) {
+ DBG(ccp, "Found Signal Interval, handle 0x%04x", value_handle);
+
+ ccs->signal_reporting_intrvl = attr;
+ bt_ccp_signal_intrvl_attach(ccp);
+ }
+
+ if (bt_uuid16_cmp(&uuid, CALL_STATUS_FLAG_CHRC_UUID)) {
+ DBG(ccp, "Found Status Flag, handle 0x%04x", value_handle);
+
+ ccs->status_flag = attr;
+ bt_ccp_status_attach(ccp);
+ }
+
+ if (bt_uuid16_cmp(&uuid, BEARER_URI_SCHEME_CHRC_UUID)) {
+ DBG(ccp, "Found URI Scheme, handle 0x%04x", value_handle);
+
+ ccs->bearer_uri_schemes_list = attr;
+ bt_ccp_uri_list_attach(ccp);
+ }
+
+ if (bt_uuid16_cmp(&uuid, CURR_CALL_LIST_CHRC_UUID)) {
+ DBG(ccp, "Found Call List, handle 0x%04x", value_handle);
+
+ ccs->current_call_list = attr;
+ bt_ccp_call_list_attach(ccp);
+ }
+
+ if (bt_uuid16_cmp(&uuid, BEARER_CCID_CHRC_UUID)) {
+ DBG(ccp, "Found CCID, handle 0x%04x", value_handle);
+
+ ccs->ccid = attr;
+ bt_ccp_ccid_attach(ccp);
+ }
+
+ if (bt_uuid16_cmp(&uuid, INCOM_CALL_TARGET_URI_CHRC_UUID)) {
+ DBG(ccp, "Found Bearer Uri, handle 0x%04x", value_handle);
+
+ ccs->target_bearer_uri = attr;
+ bt_ccp_tar_uri_attach(ccp);
+ }
+
+ if (bt_uuid16_cmp(&uuid, CALL_CTRL_POINT_CHRC_UUID)) {
+ DBG(ccp, "Found Control Point, handle 0x%04x", value_handle);
+
+ ccs->call_ctrl_point = attr;
+ bt_ccp_ctrl_point_attach(ccp);
+ }
+
+ if (bt_uuid16_cmp(&uuid, CALL_CTRL_POINT_OPT_OPCODE_CHRC_UUID)) {
+ DBG(ccp, "Found Control opcode, handle 0x%04x", value_handle);
+
+ ccs->call_ctrl_opt_opcode = attr;
+ bt_ccp_ctrl_opcode_attach(ccp);
+ }
+
+ if (bt_uuid16_cmp(&uuid, TERMINATION_REASON_CHRC_UUID)) {
+ DBG(ccp, "Found Termination Reason, handle 0x%04x", value_handle);
+
+ ccs->termination_reason = attr;
+ bt_ccp_term_reason_attach(ccp);
+ }
+
+ if (bt_uuid16_cmp(&uuid, INCOMING_CALL_CHRC_UUID)) {
+ DBG(ccp, "Found Incoming call, handle 0x%04x", value_handle);
+
+ ccs->incoming_call = attr;
+ bt_ccp_incom_call_attach(ccp);
+ }
+
+ if (bt_uuid16_cmp(&uuid, CALL_FRIENDLY_NAME_CHRC_UUID)) {
+ DBG(ccp, "Found Friendly name, handle 0x%04x", value_handle);
+
+ ccs->friendly_name = attr;
+ bt_ccp_friendly_name_attach(ccp);
+ }
+}
+
+void bt_ccp_set_event_callbacks(struct bt_ccp *ccp,
+ const struct bt_ccp_event_callback *cbs,
+ void *user_data)
+{
+ struct event_callback *cb;
+
+ if (ccp->cb)
+ free(ccp->cb);
+
+ cb = new0(struct event_callback, 1);
+ cb->cbs = cbs;
+ cb->user_data = user_data;
+
+ ccp->cb = cb;
+}
+
+static void foreach_ccs_service(struct gatt_db_attribute *attr,
+ void *user_data)
+{
+ struct bt_ccp *ccp = user_data;
+ struct bt_ccs *ccs = ccp_get_ccs(ccp);
+
+ ccs->service = attr;
+
+ gatt_db_service_foreach_char(attr, foreach_ccs_char, ccp);
+}
+
+static struct bt_ccp_db *ccp_db_new(struct gatt_db *db)
+{
+ struct bt_ccp_db *mdb;
+
+ if (!db)
+ return NULL;
+
+ mdb = new0(struct bt_ccp_db, 1);
+ mdb->db = gatt_db_ref(db);
+
+ if (!ccp_db)
+ ccp_db = queue_new();
+
+ queue_push_tail(ccp_db, mdb);
+
+ mdb->ccs = ccs_new(db);
+ return mdb;
+}
+
+static struct bt_ccp_db *ccp_get_db(struct gatt_db *db)
+{
+ struct bt_ccp_db *mdb;
+
+ mdb = queue_find(ccp_db, ccp_db_match, db);
+ if (mdb)
+ return mdb;
+
+ return ccp_db_new(db);
+}
+
+struct bt_ccp *bt_ccp_new(struct gatt_db *ldb, struct gatt_db *rdb)
+{
+ struct bt_ccp *ccp;
+ struct bt_ccp_db *mdb;
+
+ if (!ldb)
+ return NULL;
+
+ mdb = ccp_get_db(ldb);
+ if (!mdb)
+ return NULL;
+
+ ccp = new0(struct bt_ccp, 1);
+ ccp->ldb = mdb;
+ ccp->pending = queue_new();
+
+ if (!rdb)
+ goto done;
+
+ mdb = new0(struct bt_ccp_db, 1);
+ mdb->db = gatt_db_ref(rdb);
+
+ ccp->rdb = mdb;
+
+done:
+ bt_ccp_ref(ccp);
+
+ return ccp;
+}
+
+void bt_ccp_register(struct gatt_db *db)
+{
+ ccp_db_new(db);
+}
+
+bool bt_ccp_attach(struct bt_ccp *ccp, struct bt_gatt_client *client)
+{
+ bt_uuid_t uuid;
+
+ DBG(ccp, "ccp %p", ccp);
+
+ ccp->client = bt_gatt_client_clone(client);
+ if (!ccp->client)
+ return false;
+
+ if (ccp->rdb->ccs) {
+ bt_ccp_call_state_attach(ccp);
+ return true;
+ }
+
+ bt_uuid16_create(&uuid, GTBS_UUID);
+ gatt_db_foreach_service(ccp->rdb->db, &uuid, foreach_ccs_service, ccp);
+
+ return true;
+}
+
+void bt_ccp_detach(struct bt_ccp *ccp)
+{
+ DBG(ccp, "%p", ccp);
+
+ bt_gatt_client_unref(ccp->client);
+ ccp->client = NULL;
+}
diff --git a/src/shared/ccp.h b/src/shared/ccp.h
new file mode 100644
index 000000000000..809986c2601a
--- /dev/null
+++ b/src/shared/ccp.h
@@ -0,0 +1,45 @@
+/* SPDX-License-Identifier: LGPL-2.1-or-later */
+/*
+ *
+ * BlueZ - Bluetooth protocol stack for Linux
+ *
+ * Copyright (C) 2020 Intel Corporation. All rights reserved.
+ *
+ */
+
+#include <stdbool.h>
+#include <inttypes.h>
+
+#ifndef __packed
+#define __packed __attribute__((packed))
+#endif
+
+struct bt_ccp;
+struct bt_ccp_db;
+struct bt_ccp_session_info;
+
+typedef void (*bt_ccp_debug_func_t)(const char *str, void *user_data);
+typedef void (*bt_ccp_destroy_func_t)(void *user_data);
+
+struct bt_ccp_event_callback {
+ void (*call_state)(struct bt_ccp *ccp, const uint8_t *value,
+ uint16_t length);
+};
+
+void bt_ccp_set_event_callbacks(struct bt_ccp *ccp,
+ const struct bt_ccp_event_callback *cbs,
+ void *user_data);
+
+bool bt_ccp_set_debug(struct bt_ccp *ccp, bt_ccp_debug_func_t cb,
+ void *user_data, bt_ccp_destroy_func_t destroy);
+
+void bt_ccp_register(struct gatt_db *db);
+bool bt_ccp_attach(struct bt_ccp *ccp, struct bt_gatt_client *client);
+void bt_ccp_detach(struct bt_ccp *ccp);
+
+struct bt_ccp *bt_ccp_new(struct gatt_db *ldb, struct gatt_db *rdb);
+struct bt_ccp *bt_ccp_ref(struct bt_ccp *ccp);
+void bt_ccp_unref(struct bt_ccp *ccp);
+
+bool bt_ccp_set_user_data(struct bt_ccp *ccp, void *user_data);
+void *bt_ccp_get_user_data(struct bt_ccp *ccp);
--
2.34.1
