1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
|
/*
* Author: Sven Gothel <sgothel@jausoft.com>
* Copyright (c) 2020 Gothel Software e.K.
* Copyright (c) 2020 ZAFENA AB
*
* Permission is hereby granted, free of charge, to any person obtaining
* a copy of this software and associated documentation files (the
* "Software"), to deal in the Software without restriction, including
* without limitation the rights to use, copy, modify, merge, publish,
* distribute, sublicense, and/or sell copies of the Software, and to
* permit persons to whom the Software is furnished to do so, subject to
* the following conditions:
*
* The above copyright notice and this permission notice shall be
* included in all copies or substantial portions of the Software.
*
* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
* EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
* MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
* NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE
* LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION
* OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION
* WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
*/
#include <cstring>
#include <string>
#include <memory>
#include <cstdint>
#include <vector>
#include <cstdio>
#include <algorithm>
#include <jau/debug.hpp>
#include "BTDevice.hpp"
#include "BTGattDesc.hpp"
#include "BTGattHandler.hpp"
using namespace direct_bt;
const std::shared_ptr<jau::uuid_t> BTGattDesc::TYPE_EXT_PROP( std::make_shared<jau::uuid16_t>(Type::CHARACTERISTIC_EXTENDED_PROPERTIES) );
const std::shared_ptr<jau::uuid_t> BTGattDesc::TYPE_USER_DESC( std::make_shared<jau::uuid16_t>(Type::CHARACTERISTIC_USER_DESCRIPTION) );
const std::shared_ptr<jau::uuid_t> BTGattDesc::TYPE_CCC_DESC( std::make_shared<jau::uuid16_t>(Type::CLIENT_CHARACTERISTIC_CONFIGURATION) );
std::shared_ptr<BTGattChar> BTGattDesc::getGattCharChecked() const {
std::shared_ptr<BTGattChar> ref = wbr_char.lock();
if( nullptr == ref ) {
throw jau::IllegalStateException("GATTDescriptor's characteristic already destructed: "+toShortString(), E_FILE_LINE);
}
return ref;
}
std::shared_ptr<BTGattHandler> BTGattDesc::getGattHandlerUnchecked() const noexcept {
std::shared_ptr<BTGattChar> c = getGattCharUnchecked();
if( nullptr != c ) {
return c->getGattHandlerUnchecked();
}
return nullptr;
}
std::shared_ptr<BTDevice> BTGattDesc::getDeviceUnchecked() const noexcept {
std::shared_ptr<BTGattChar> c = getGattCharUnchecked();
if( nullptr != c ) {
return c->getDeviceUnchecked();
}
return nullptr;
}
bool BTGattDesc::readValue(int expectedLength) noexcept {
std::shared_ptr<BTDevice> device = getDeviceUnchecked();
if( nullptr == device ) {
ERR_PRINT("Descriptor's device null: %s", toShortString().c_str());
return false;
}
std::shared_ptr<BTGattHandler> gatt = device->getGattHandler();
if( nullptr == gatt ) {
ERR_PRINT("Descriptor's device GATTHandle not connected: %s", toShortString().c_str());
return false;
}
return gatt->readDescriptorValue(*this, expectedLength);
}
bool BTGattDesc::writeValue() noexcept {
std::shared_ptr<BTDevice> device = getDeviceUnchecked();
if( nullptr == device ) {
ERR_PRINT("Descriptor's device null: %s", toShortString().c_str());
return false;
}
std::shared_ptr<BTGattHandler> gatt = device->getGattHandler();
if( nullptr == gatt ) {
ERR_PRINT("Descriptor's device GATTHandle not connected: %s", toShortString().c_str());
return false;
}
return gatt->writeDescriptorValue(*this);
}
std::string BTGattDesc::toString() const noexcept {
return "Desc[type 0x"+type->toString()+", handle "+jau::to_hexstring(handle)+
", value["+value.toString()+
" '" + jau::dfa_utf8_decode( value.get_ptr(), value.size() ) + "'"+
"]]";
}
std::string BTGattDesc::toShortString() const noexcept {
return "Desc[handle "+jau::to_hexstring(handle)+", value["+value.toString()+"]]";
}
|
