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-rw-r--r--binding/aia-uds-bluez.c607
1 files changed, 0 insertions, 607 deletions
diff --git a/binding/aia-uds-bluez.c b/binding/aia-uds-bluez.c
deleted file mode 100644
index 35ba61d..0000000
--- a/binding/aia-uds-bluez.c
+++ /dev/null
@@ -1,607 +0,0 @@
-/*
- * Copyright (C) 2015, 2016, 2017 "IoT.bzh"
- * Author: José Bollo <jose.bollo@iot.bzh>
- *
- * Licensed under the Apache License, Version 2.0 (the "License");
- * you may not use this file except in compliance with the License.
- * You may obtain a copy of the License at
- *
- * http://www.apache.org/licenses/LICENSE-2.0
- *
- * Unless required by applicable law or agreed to in writing, software
- * distributed under the License is distributed on an "AS IS" BASIS,
- * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
- * See the License for the specific language governing permissions and
- * limitations under the License.
- */
-#define _GNU_SOURCE
-
-#include <stdlib.h>
-#include <stdint.h>
-#include <string.h>
-#include <errno.h>
-
-#include <systemd/sd-bus.h>
-
-#include "aia-uds-bluez.h"
-
-#define ROOT "/uds"
-
-#define ITF_SERVICE "org.bluez.GattService1"
-#define ITF_CHARACTERISTIC "org.bluez.GattCharacteristic1"
-#define ITF_DESCRIPTOR "org.bluez.GattDescriptor1"
-
-/****** internal types **********/
-
-struct item
-{
- const char *uuid;
- const char *path;
- struct item *parent;
- struct aia_uds_value *value;
-};
-
-/****** internal data **********/
-
-static sd_bus *busini;
-static int activation;
-
-static aia_uds_on_change on_change_callback;
-
-static struct aia_uds uds;
-
-static struct aia_uds uds_descs =
-{
- .first_name = { .data = "First name of the user" },
- .last_name = { .data = "Last name of the user" },
- .email = { .data = "Email of the user" },
- .language = { .data = "The Language definition is based on ISO639-1" }
-};
-
-static struct aia_uds_value woutf8 = { .data = "\031\000\047\000\001\000\000", .length = 7 };
-
-static struct item services[1] =
-{
- {
- .uuid = "0000181C-0000-1000-8000-00805f9b34fb",
- .path = ROOT"/service0"
- }
-};
-
-static struct item characteristics[4] =
-{
- {
- .uuid = "00002A8A-0000-1000-8000-00805f9b34fb",
- .path = ROOT"/service0/char0",
- .parent = &services[0],
- .value = &uds.first_name
- }, {
- .uuid = "00002A90-0000-1000-8000-00805f9b34fb",
- .path = ROOT"/service0/char1",
- .parent = &services[0],
- .value = &uds.last_name
- }, {
- .uuid = "00002A87-0000-1000-8000-00805f9b34fb",
- .path = ROOT"/service0/char2",
- .parent = &services[0],
- .value = &uds.email
- }, {
- .uuid = "00002AA2-0000-1000-8000-00805f9b34fb",
- .path = ROOT"/service0/char3",
- .parent = &services[0],
- .value = &uds.language
- }
-};
-
-static struct item descriptors[8] =
-{
- {
- .uuid = "00002901-0000-1000-8000-00805f9b34fb",
- .path = ROOT"/service0/char0/desc0",
- .parent = &characteristics[0],
- .value = &uds_descs.first_name
- }, {
- .uuid = "00002904-0000-1000-8000-00805f9b34fb",
- .path = ROOT"/service0/char0/desc1",
- .parent = &characteristics[0],
- .value = &woutf8
- }, {
- .uuid = "00002901-0000-1000-8000-00805f9b34fb",
- .path = ROOT"/service0/char1/desc0",
- .parent = &characteristics[1],
- .value = &uds_descs.last_name
- }, {
- .uuid = "00002904-0000-1000-8000-00805f9b34fb",
- .path = ROOT"/service0/char1/desc1",
- .parent = &characteristics[1],
- .value = &woutf8
- }, {
- .uuid = "00002901-0000-1000-8000-00805f9b34fb",
- .path = ROOT"/service0/char2/desc0",
- .parent = &characteristics[2],
- .value = &uds_descs.email
- }, {
- .uuid = "00002904-0000-1000-8000-00805f9b34fb",
- .path = ROOT"/service0/char2/desc1",
- .parent = &characteristics[2],
- .value = &woutf8
- }, {
- .uuid = "00002901-0000-1000-8000-00805f9b34fb",
- .path = ROOT"/service0/char3/desc0",
- .parent = &characteristics[3],
- .value = &uds_descs.language
- }, {
- .uuid = "00002904-0000-1000-8000-00805f9b34fb",
- .path = ROOT"/service0/char3/desc1",
- .parent = &characteristics[3],
- .value = &woutf8
- }
-};
-
-/****** utility ***********/
-
-static uint16_t get_offset(sd_bus_message *m)
-{
- uint16_t offset;
- const char *key;
-
- if (0 < sd_bus_message_enter_container(m, SD_BUS_TYPE_DICT_ENTRY, "sv")) {
- while (sd_bus_message_read_basic(m, 's', &key) > 0) {
- if (strcmp(key,"offset"))
- sd_bus_message_skip(m, "v");
- else {
- if (sd_bus_message_enter_container(m, SD_BUS_TYPE_VARIANT, "q")) {
- sd_bus_message_read_basic(m, 'q', &offset);
- sd_bus_message_exit_container(m);
- return offset;
- }
- }
- }
- sd_bus_message_exit_container(m);
- }
- return 0;
-}
-
-static int message_append_strings(sd_bus_message *m, const char **s)
-{
- int rc = sd_bus_message_open_container(m, SD_BUS_TYPE_ARRAY, "s");
- while (rc >= 0 && *s)
- rc = sd_bus_message_append_basic(m, 's', *s++);
- if (rc >= 0)
- rc = sd_bus_message_close_container(m);
- return rc;
-}
-
-/****** common callbacks ***********/
-
-static int get_uuid(
- struct sd_bus *bus,
- const char *path,
- const char *interface,
- const char *property,
- sd_bus_message *reply,
- void *userdata,
- sd_bus_error *ret_error)
-{
- struct item *item = userdata;
- return sd_bus_message_append_basic(reply, 's', item->uuid);
-}
-
-static int get_parent(
- struct sd_bus *bus,
- const char *path,
- const char *interface,
- const char *property,
- sd_bus_message *reply,
- void *userdata,
- sd_bus_error *ret_error)
-{
- struct item *item = userdata;
- return sd_bus_message_append_basic(reply, 'o', item->parent->path);
-}
-
-static int get_children(
- struct sd_bus *bus,
- const char *path,
- const char *interface,
- const char *property,
- sd_bus_message *reply,
- void *userdata,
- sd_bus_error *ret_error)
-{
- size_t i, n;
- int rc;
-
- rc = sd_bus_message_open_container(reply, SD_BUS_TYPE_ARRAY, "o");
- n = sizeof characteristics / sizeof *characteristics;
- i = 0;
- while (rc >= 0 && i < n) {
- if (characteristics[i].parent == userdata)
- rc = sd_bus_message_append_basic(reply, 'o', characteristics[i].path);
- i++;
- }
- n = sizeof descriptors / sizeof *descriptors;
- i = 0;
- while (rc >= 0 && i < n) {
- if (descriptors[i].parent == userdata)
- rc = sd_bus_message_append_basic(reply, 'o', descriptors[i].path);
- i++;
- }
- if (rc >= 0)
- rc = sd_bus_message_close_container(reply);
- return rc;
-}
-
-static int read_value_offset(
- struct item *item,
- size_t offset,
- sd_bus_message *reply)
-{
- struct aia_uds_value *value = item->value;
- const char *data = value ? value->data : NULL;
- size_t size = !value ? 0 : value->length ? value->length : data ? strlen(data) : 0;
- return sd_bus_message_append_array(reply, 'y', &data[offset], offset > size ? 0 : size - offset);
-}
-
-static int read_value(
- sd_bus_message *m,
- void *userdata,
- sd_bus_error *ret_error)
-{
- int rc;
- sd_bus_message *r;
-
- rc = sd_bus_message_new_method_return(m, &r);
- rc = read_value_offset(userdata, get_offset(m), r);
- rc = sd_bus_send(NULL, r, NULL);
- return 1;
-}
-
-static int write_value_offset(
- struct item *item,
- size_t offset,
- const char *buffer,
- size_t length)
-{
- struct aia_uds_value *value = item->value;
- const char *data = value ? value->data : NULL;
- size_t size = !value ? 0 : value->length ? value->length : data ? strlen(data) : 0;
-
-
- char *next = malloc(offset + length + 1);
- if (!next)
- return -ENOMEM;
- if (offset) {
- if (size >= offset)
- memcpy(next, data, offset);
- else {
- memcpy(next, data, size);
- memset(&next[size], 0, offset - size);
- }
- }
- memcpy(&next[offset], buffer, length);
- next[offset + length] = 0;
- value->data = next;
- value->length = offset + length;
- free((char*)data);
-
- return 0;
-}
-
-static int write_value(
- sd_bus_message *m,
- void *userdata,
- sd_bus_error *ret_error)
-{
- int rc;
- struct item *item = userdata;
- const void *data;
- size_t size;
- sd_bus_message *r;
-
- rc = sd_bus_message_read_array(m, 'y', &data, &size);
- rc = write_value_offset(item, get_offset(m), data, size);
-
- rc = sd_bus_message_new_method_return(m, &r);
- rc = sd_bus_send(NULL, r, NULL);
-
- sd_bus_emit_properties_changed(sd_bus_message_get_bus(m), item->path, ITF_CHARACTERISTIC, "Value", NULL);
-
- if (on_change_callback) {
- item->value->changed = 1;
- on_change_callback(&uds);
- item->value->changed = 0;
- }
-
- return 1;
-}
-
-static int get_value(
- struct sd_bus *bus,
- const char *path,
- const char *interface,
- const char *property,
- sd_bus_message *reply,
- void *userdata,
- sd_bus_error *ret_error)
-{
- return read_value_offset(userdata, 0, reply);
-}
-
-static int get_true(
- struct sd_bus *bus,
- const char *path,
- const char *interface,
- const char *property,
- sd_bus_message *reply,
- void *userdata,
- sd_bus_error *ret_error)
-{
- int v = 1;
- return sd_bus_message_append_basic(reply, 'b', &v);
-}
-
-static int get_false(
- struct sd_bus *bus,
- const char *path,
- const char *interface,
- const char *property,
- sd_bus_message *reply,
- void *userdata,
- sd_bus_error *ret_error)
-{
- int v = 0;
- return sd_bus_message_append_basic(reply, 'b', &v);
-}
-
-static int not_supported(
- sd_bus_message *m,
- void *userdata,
- sd_bus_error *ret_error)
-{
- return sd_bus_reply_method_errorf(m, "org.bluez.Error.NotSupported", "not supported");
-}
-
-static int not_permitted(
- sd_bus_message *m,
- void *userdata,
- sd_bus_error *ret_error)
-{
- return sd_bus_reply_method_errorf(m, "org.bluez.Error.NotPermitted", "not permitted");
-}
-
-static int failed(
- sd_bus_message *m,
- void *userdata,
- sd_bus_error *ret_error)
-{
- return sd_bus_reply_method_errorf(m, "org.bluez.Error.Failed", "failed");
-}
-
-/****** service's callbacks ***********/
-
-static int get_srv_includes(
- struct sd_bus *bus,
- const char *path,
- const char *interface,
- const char *property,
- sd_bus_message *reply,
- void *userdata,
- sd_bus_error *ret_error)
-{
- int rc = sd_bus_message_open_container(reply, SD_BUS_TYPE_ARRAY, "o");
- if (rc >= 0)
- rc = sd_bus_message_close_container(reply);
- return rc;
-}
-
-/****** characteristic's callbacks ***********/
-
-static int get_char_flags(
- struct sd_bus *bus,
- const char *path,
- const char *interface,
- const char *property,
- sd_bus_message *reply,
- void *userdata,
- sd_bus_error *ret_error)
-{
- static const char *flags[] = { "read", "write", NULL };
- return message_append_strings(reply, flags);
-}
-
-/****** descriptor's callbacks ***********/
-
-static int get_desc_flags(
- struct sd_bus *bus,
- const char *path,
- const char *interface,
- const char *property,
- sd_bus_message *reply,
- void *userdata,
- sd_bus_error *ret_error)
-{
- static const char *flags[] = { "read", NULL };
- return message_append_strings(reply, flags);
-}
-
-/****** description ***********/
-
-static struct sd_bus_vtable vservice[] = {
- SD_BUS_VTABLE_START(0),
-
- SD_BUS_PROPERTY("UUID", "s", get_uuid, 0, SD_BUS_VTABLE_PROPERTY_CONST),
- SD_BUS_PROPERTY("Primary", "b", get_true, 0, SD_BUS_VTABLE_PROPERTY_CONST),
- SD_BUS_PROPERTY("Includes", "ao", get_srv_includes, 0, SD_BUS_VTABLE_PROPERTY_CONST),
- SD_BUS_PROPERTY("Characteristics", "ao", get_children, 0, SD_BUS_VTABLE_PROPERTY_CONST),
-
- SD_BUS_VTABLE_END
-};
-
-
-static struct sd_bus_vtable vcharacteristic[] = {
- SD_BUS_VTABLE_START(0),
-
- SD_BUS_METHOD("ReadValue", "a{sv}", "ay", read_value, 0),
- SD_BUS_METHOD("WriteValue", "aya{sv}", "", write_value, 0),
- SD_BUS_METHOD("StartNotify", "", "", not_supported, 0),
- SD_BUS_METHOD("StopNotify", "", "", failed, 0),
-
- SD_BUS_PROPERTY("UUID", "s", get_uuid, 0, SD_BUS_VTABLE_PROPERTY_CONST),
- SD_BUS_PROPERTY("Service", "o", get_parent, 0, SD_BUS_VTABLE_PROPERTY_CONST),
- SD_BUS_PROPERTY("Value", "ay", get_value, 0, 0),
- SD_BUS_PROPERTY("WriteAcquired", "b", get_false, 0, 0),
- SD_BUS_PROPERTY("NotifyAcquired", "b", get_false, 0, 0),
- SD_BUS_PROPERTY("Notifying", "b", get_false, 0, 0),
- SD_BUS_PROPERTY("Flags", "as", get_char_flags, 0, 0),
- SD_BUS_PROPERTY("Descriptors", "ao", get_children, 0, 0),
-
- SD_BUS_VTABLE_END
-};
-
-
-static struct sd_bus_vtable vdescriptor[] = {
- SD_BUS_VTABLE_START(0),
-
- SD_BUS_METHOD("ReadValue", "a{sv}", "ay", read_value, 0),
- SD_BUS_METHOD("WriteValue", "aya{sv}", "", not_permitted, 0),
-
- SD_BUS_PROPERTY("UUID", "s", get_uuid, 0, SD_BUS_VTABLE_PROPERTY_CONST),
- SD_BUS_PROPERTY("Characteristic", "o", get_parent, 0, SD_BUS_VTABLE_PROPERTY_CONST),
- SD_BUS_PROPERTY("Value", "ay", get_value, 0, 0),
- SD_BUS_PROPERTY("Flags", "as", get_desc_flags, 0, 0),
-
- SD_BUS_VTABLE_END
-};
-
-
-/******** Integration ***************/
-
-aia_uds_on_change aia_uds_set_on_change(aia_uds_on_change callback)
-{
- aia_uds_on_change prev = on_change_callback;
- on_change_callback = callback;
- return prev;
-}
-
-int aia_uds_init(struct sd_bus *bus)
-{
- int rc;
-
- if (busini)
- return 0;
-
- rc = sd_bus_add_object_manager(bus, NULL, ROOT);
-
- rc = sd_bus_add_object_vtable(bus, NULL, services[0].path,
- ITF_SERVICE, vservice, &services[0]);
-
- rc = sd_bus_add_object_vtable(bus, NULL, characteristics[0].path,
- ITF_CHARACTERISTIC, vcharacteristic, &characteristics[0]);
- rc = sd_bus_add_object_vtable(bus, NULL, characteristics[1].path,
- ITF_CHARACTERISTIC, vcharacteristic, &characteristics[1]);
- rc = sd_bus_add_object_vtable(bus, NULL, characteristics[2].path,
- ITF_CHARACTERISTIC, vcharacteristic, &characteristics[2]);
- rc = sd_bus_add_object_vtable(bus, NULL, characteristics[3].path,
- ITF_CHARACTERISTIC, vcharacteristic, &characteristics[3]);
-
- rc = sd_bus_add_object_vtable(bus, NULL, descriptors[0].path,
- ITF_DESCRIPTOR, vdescriptor, &descriptors[0]);
- rc = sd_bus_add_object_vtable(bus, NULL, descriptors[1].path,
- ITF_DESCRIPTOR, vdescriptor, &descriptors[1]);
- rc = sd_bus_add_object_vtable(bus, NULL, descriptors[2].path,
- ITF_DESCRIPTOR, vdescriptor, &descriptors[2]);
- rc = sd_bus_add_object_vtable(bus, NULL, descriptors[3].path,
- ITF_DESCRIPTOR, vdescriptor, &descriptors[3]);
- rc = sd_bus_add_object_vtable(bus, NULL, descriptors[4].path,
- ITF_DESCRIPTOR, vdescriptor, &descriptors[4]);
- rc = sd_bus_add_object_vtable(bus, NULL, descriptors[5].path,
- ITF_DESCRIPTOR, vdescriptor, &descriptors[5]);
- rc = sd_bus_add_object_vtable(bus, NULL, descriptors[6].path,
- ITF_DESCRIPTOR, vdescriptor, &descriptors[6]);
- rc = sd_bus_add_object_vtable(bus, NULL, descriptors[7].path,
- ITF_DESCRIPTOR, vdescriptor, &descriptors[7]);
-
- busini = sd_bus_ref(bus);
- return 0;
-}
-
-struct cb {
- void *callback;
- void *closure;
- int onoff;
-};
-
-static struct cb *alloccb(void *callback, void *closure, int onoff)
-{
- struct cb *cb = malloc(sizeof *cb);
- if (cb) {
- cb->callback = callback;
- cb->closure = closure;
- }
- return cb;
-}
-
-static int register_uds_cb(sd_bus_message *m, void *userdata, sd_bus_error *ret_error)
-{
- struct cb *cb = userdata;
- void (*callback)(void *closure, int error, int state);
- int iserr;
-
- iserr = sd_bus_message_is_method_error(m, NULL);
- if (!iserr)
- activation = cb->onoff;
- callback = cb->callback;
- if (callback)
- callback(cb->closure, iserr, activation);
- free(cb);
-
- return 1;
-}
-
-static int register_uds(int onoff, void *data)
-{
- int rc;
- sd_bus_message *m;
-
- rc = sd_bus_message_new_method_call(busini, &m, "org.bluez",
- "/org/bluez/hci0", "org.bluez.GattManager1",
- onoff ? "RegisterApplication" : "UnregisterApplication" );
- rc = sd_bus_message_append_basic(m, 'o', ROOT);
- if (onoff) {
- rc = sd_bus_message_open_container(m, 'a', "{sv}");
- rc = sd_bus_message_close_container(m);
- }
- rc = sd_bus_call_async(busini, NULL, m, register_uds_cb, data, 5*1000*1000);
- sd_bus_message_unref(m);
- return rc;
-}
-
-int aia_uds_activate(int onoff, void (*callback)(void *closure, int error, int state), void *closure)
-{
- int rc;
- struct cb *cb;
-
- if (!busini)
- return -EINVAL;
-
- onoff = !!onoff;
- if (activation == onoff)
- return 0;
-
- cb = alloccb(callback, closure, onoff);
- if (!cb)
- return -ENOMEM;
-
- rc = register_uds(onoff, cb);
- if (rc < 0)
- free(cb);
-
- return rc < 0 ? rc : 1;
-}
-
-int aia_uds_advise(int onoff, void (*callback)(void *closure, int error, int state), void *closure)
-{
- return aia_uds_activate(onoff, callback, closure);
-}
-