2024-02-21 10:28:22

by Shahid Vichhi

[permalink] [raw]
Subject: [ BlueZ,v3] profiles/audio/ccp: Add CCP plugin for call control profile

This adds initial code for CCP plugin which handle CALL CONTROL PROFILE for
Telephone Bearer Services and Generic Telephone Bearer Services in the
client role.
This has been tested using teams application by initiating call between
Linux BTOE and Windows server with LE audio enabled.
---
Makefile.plugins | 5 +
configure.ac | 4 +
profiles/audio/ccp.c | 235 +++++++++++++++++++++++++++++++++++++++++++
3 files changed, 244 insertions(+)
create mode 100644 profiles/audio/ccp.c

diff --git a/Makefile.plugins b/Makefile.plugins
index e960eedeabd3..4aa2c9c92854 100644
--- a/Makefile.plugins
+++ b/Makefile.plugins
@@ -138,6 +138,11 @@ builtin_modules += micp
builtin_sources += profiles/audio/micp.c
endif

+if CCP
+builtin_modules += ccp
+builtin_sources += profiles/audio/ccp.c
+endif
+
if CSIP
builtin_modules += csip
builtin_sources += profiles/audio/csip.c
diff --git a/configure.ac b/configure.ac
index 70e9d4be8127..c7dadf79a565 100644
--- a/configure.ac
+++ b/configure.ac
@@ -200,6 +200,10 @@ AC_ARG_ENABLE(mcp, AS_HELP_STRING([--disable-mcp],
[disable MCP profile]), [enable_mcp=${enableval}])
AM_CONDITIONAL(MCP, test "${enable_mcp}" != "no")

+AC_ARG_ENABLE(ccp, AS_HELP_STRING([--disable-ccp],
+ [disable CCP profile]), [enable_ccp=${enableval}])
+AM_CONDITIONAL(CCP, test "${enable_ccp}" != "no")
+
AC_ARG_ENABLE(vcp, AS_HELP_STRING([--disable-vcp],
[disable VCP profile]), [enable_vcp=${enableval}])
AM_CONDITIONAL(VCP, test "${enable_vcp}" != "no")
diff --git a/profiles/audio/ccp.c b/profiles/audio/ccp.c
new file mode 100644
index 000000000000..fe678de9fede
--- /dev/null
+++ b/profiles/audio/ccp.c
@@ -0,0 +1,235 @@
+// SPDX-License-Identifier: GPL-2.0-or-later
+/*
+ *
+ * BlueZ - Bluetooth protocol stack for Linux
+ *
+ * Copyright (C) 2024 Intel Corporation. All rights reserved.
+ *
+ *
+ */
+
+#ifdef HAVE_CONFIG_H
+#include <config.h>
+#endif
+
+#define _GNU_SOURCE
+
+#include <ctype.h>
+#include <stdbool.h>
+#include <stdlib.h>
+#include <stdio.h>
+#include <string.h>
+#include <sys/types.h>
+#include <sys/stat.h>
+#include <fcntl.h>
+#include <errno.h>
+
+#include <glib.h>
+
+#include "gdbus/gdbus.h"
+
+#include "lib/bluetooth.h"
+#include "lib/hci.h"
+#include "lib/sdp.h"
+#include "lib/uuid.h"
+
+#include "src/dbus-common.h"
+#include "src/shared/util.h"
+#include "src/shared/att.h"
+#include "src/shared/queue.h"
+#include "src/shared/gatt-db.h"
+#include "src/shared/gatt-client.h"
+#include "src/shared/gatt-server.h"
+#include "src/shared/ccp.h"
+
+#include "btio/btio.h"
+#include "src/plugin.h"
+#include "src/adapter.h"
+#include "src/gatt-database.h"
+#include "src/device.h"
+#include "src/profile.h"
+#include "src/service.h"
+#include "src/log.h"
+#include "src/error.h"
+
+#define GTBS_UUID_STR "0000184C-0000-1000-8000-00805f9b34fb"
+
+struct ccp_data {
+ struct btd_device *device;
+ struct btd_service *service;
+ struct bt_ccp *ccp;
+ unsigned int state_id;
+};
+
+static void ccp_debug(const char *str, void *user_data)
+{
+ DBG_IDX(0xffff, "%s", str);
+}
+
+static struct ccp_data *ccp_data_new(struct btd_device *device)
+{
+ struct ccp_data *data;
+
+ data = new0(struct ccp_data, 1);
+ data->device = device;
+
+ return data;
+}
+
+static int ccp_probe(struct btd_service *service)
+{
+ struct btd_device *device = btd_service_get_device(service);
+ struct btd_adapter *adapter = device_get_adapter(device);
+ struct btd_gatt_database *database = btd_adapter_get_database(adapter);
+ struct ccp_data *data = btd_service_get_user_data(service);
+ char addr[18];
+
+ ba2str(device_get_address(device), addr);
+ DBG("%s", addr);
+
+ if (data) {
+ error("Profile probed twice for the same device!");
+ return -EINVAL;
+ }
+
+ data = ccp_data_new(device);
+ data->service = service;
+
+ data->ccp = bt_ccp_new(btd_gatt_database_get_db(database),
+ btd_device_get_gatt_db(device));
+
+ bt_ccp_set_debug(data->ccp, ccp_debug, NULL, NULL);
+ btd_service_set_user_data(service, data);
+
+ return 0;
+}
+
+static void ccp_data_free(struct ccp_data *data)
+{
+ if (data->service) {
+ btd_service_set_user_data(data->service, NULL);
+ bt_ccp_set_user_data(data->ccp, NULL);
+ }
+
+ bt_ccp_unref(data->ccp);
+ free(data);
+}
+
+static void ccp_data_remove(struct ccp_data *data)
+{
+ DBG("data %p", data);
+
+ ccp_data_free(data);
+}
+
+static void ccp_remove(struct btd_service *service)
+{
+ struct btd_device *device = btd_service_get_device(service);
+ struct ccp_data *data;
+ char addr[18];
+
+ ba2str(device_get_address(device), addr);
+ DBG("%s", addr);
+
+ data = btd_service_get_user_data(service);
+ if (!data) {
+ error("CCP service not handled by profile");
+ return;
+ }
+
+ ccp_data_remove(data);
+}
+
+static int ccp_accept(struct btd_service *service)
+{
+ struct btd_device *device = btd_service_get_device(service);
+ struct bt_gatt_client *client = btd_device_get_gatt_client(device);
+ struct ccp_data *data = btd_service_get_user_data(service);
+ char addr[18];
+
+ ba2str(device_get_address(device), addr);
+ DBG("%s", addr);
+
+ if (!bt_ccp_attach(data->ccp, client)) {
+ error("CCP unable to attach");
+ return -EINVAL;
+ }
+
+ /* TODO: register telephony operations here */
+
+ btd_service_connecting_complete(service, 0);
+
+ return 0;
+}
+
+static int ccp_connect(struct btd_service *service)
+{
+ struct btd_device *device = btd_service_get_device(service);
+ char addr[18];
+
+ ba2str(device_get_address(device), addr);
+ DBG("%s", addr);
+
+ return 0;
+}
+
+static int ccp_disconnect(struct btd_service *service)
+{
+ struct btd_device *device = btd_service_get_device(service);
+ struct ccp_data *data = btd_service_get_user_data(service);
+ char addr[18];
+
+ ba2str(device_get_address(device), addr);
+ DBG("%s", addr);
+
+ bt_ccp_detach(data->ccp);
+
+ btd_service_disconnecting_complete(service, 0);
+
+ return 0;
+}
+
+static int ccp_server_probe(struct btd_profile *p, struct btd_adapter *adapter)
+{
+ struct btd_gatt_database *database = btd_adapter_get_database(adapter);
+
+ bt_ccp_register(btd_gatt_database_get_db(database));
+
+ return 0;
+}
+
+static void
+ccp_server_remove(struct btd_profile *p,
+ struct btd_adapter *adapter)
+{
+ DBG("CCP remove adapter");
+}
+
+static struct btd_profile ccp_profile = {
+ .name = "ccp",
+ .priority = BTD_PROFILE_PRIORITY_MEDIUM,
+ .remote_uuid = GTBS_UUID_STR,
+ .device_probe = ccp_probe,
+ .device_remove = ccp_remove,
+ .accept = ccp_accept,
+ .connect = ccp_connect,
+ .disconnect = ccp_disconnect,
+
+ .adapter_probe = ccp_server_probe,
+ .adapter_remove = ccp_server_remove,
+
+ .experimental = true,
+};
+
+static int ccp_init(void)
+{
+ return btd_profile_register(&ccp_profile);
+}
+
+static void ccp_exit(void)
+{
+ btd_profile_unregister(&ccp_profile);
+}
+
+BLUETOOTH_PLUGIN_DEFINE(ccp, VERSION, BLUETOOTH_PLUGIN_PRIORITY_DEFAULT,
+ ccp_init, ccp_exit)
--
2.34.1



2024-02-21 11:32:45

by bluez.test.bot

[permalink] [raw]
Subject: RE: [BlueZ,v3] profiles/audio/ccp: Add CCP plugin for call control profile

This is automated email and please do not reply to this email!

Dear submitter,

Thank you for submitting the patches to the linux bluetooth mailing list.
This is a CI test results with your patch series:
PW Link:https://patchwork.kernel.org/project/bluetooth/list/?series=828218

---Test result---

Test Summary:
CheckPatch PASS 0.58 seconds
GitLint PASS 0.33 seconds
BuildEll PASS 24.30 seconds
BluezMake PASS 706.76 seconds
MakeCheck PASS 12.13 seconds
MakeDistcheck PASS 162.79 seconds
CheckValgrind PASS 225.85 seconds
CheckSmatch PASS 328.39 seconds
bluezmakeextell PASS 106.76 seconds
IncrementalBuild PASS 664.97 seconds
ScanBuild PASS 943.29 seconds



---
Regards,
Linux Bluetooth