mirror of https://github.com/labapart/gattlib
87 lines
2.6 KiB
C
87 lines
2.6 KiB
C
/*
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* SPDX-License-Identifier: BSD-3-Clause OR GPL-2.0-or-later
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*
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* Copyright (c) 2021-2024, Olivier Martin <olivier@labapart.org>
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*/
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#ifndef __GATTLIB_INTERNAL_DEFS_H__
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#define __GATTLIB_INTERNAL_DEFS_H__
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#include <stdbool.h>
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#include <glib.h>
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#if defined(WITH_PYTHON)
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#include <Python.h>
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#endif
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#include "gattlib.h"
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#if defined(WITH_PYTHON)
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struct gattlib_python_args {
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PyObject* callback;
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PyObject* args;
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};
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#endif
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struct gattlib_handler {
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union {
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gattlib_discovered_device_t discovered_device;
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gatt_connect_cb_t connection_handler;
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gattlib_event_handler_t notification_handler;
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gattlib_disconnection_handler_t disconnection_handler;
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void (*callback)(void);
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} callback;
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void* user_data;
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// We create a thread to ensure the callback is not blocking the mainloop
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GThread *thread;
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// Thread pool
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GThreadPool *thread_pool;
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#if defined(WITH_PYTHON)
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// In case of Python callback and argument, we keep track to free it when we stopped to discover BLE devices
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void* python_args;
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#endif
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};
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struct _gatt_connection_t {
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void* context;
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GMutex connection_mutex;
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struct gattlib_handler on_connection;
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struct gattlib_handler on_connection_error;
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struct gattlib_handler notification;
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struct gattlib_handler indication;
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struct gattlib_handler on_disconnection;
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};
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void gattlib_handler_dispatch_to_thread(struct gattlib_handler* handler, void (*python_callback)(),
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GThreadFunc thread_func, const char* thread_name, void* (*thread_args_allocator)(va_list args), ...);
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void gattlib_handler_free(struct gattlib_handler* handler);
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bool gattlib_has_valid_handler(struct gattlib_handler* handler);
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void gattlib_notification_device_thread(gpointer data, gpointer user_data);
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/**
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* Clean GATTLIB connection on disconnection
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*
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* This function is called by the disconnection callback to always be called on explicit
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* and implicit disconnection.
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*/
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void gattlib_connection_free(gatt_connection_t* connection);
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#if defined(WITH_PYTHON)
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// Callback used by Python to create arguments used by native callback
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void* gattlib_python_callback_args(PyObject* python_callback, PyObject* python_args);
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/**
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* These functions are called by Python wrapper
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*/
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void gattlib_discovered_device_python_callback(void *adapter, const char* addr, const char* name, void *user_data);
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void gattlib_connected_device_python_callback(void *adapter, const char *dst, gatt_connection_t* connection, int error, void* user_data);
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void gattlib_disconnected_device_python_callback(gatt_connection_t* connection, void *user_data);
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void gattlib_notification_device_python_callback(const uuid_t* uuid, const uint8_t* data, size_t data_length, void* user_data);
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#endif
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#endif
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