blob: f79b168d88c8265c10ab0a79e6f1c4e9f8727219 (
plain)
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
|
/*
* Copyright (C) 2017 The Android Open Source Project
*
* 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.
*/
#ifndef NOS_NUGGET_CLIENT_H
#define NOS_NUGGET_CLIENT_H
#include <cstdint>
#include <string>
#include <vector>
#include <nos/device.h>
#include <nos/NuggetClientInterface.h>
namespace nos {
/**
* Client to communicate with a Nugget device via the transport API.
*/
class NuggetClient : public NuggetClientInterface {
public:
/**
* Create a client for the default Nugget device.
*/
NuggetClient();
/**
* Create a client for the named Nugget device.
*
* Passing an empty device name causes the default device to be selected.
*/
NuggetClient(const std::string& device_name);
NuggetClient(const char* device_name);
~NuggetClient() override;
/**
* Opens a connection to the default Nugget device.
*
* If this fails, isOpen() will return false.
*/
void Open() override;
/**
* Closes the connection to Nugget.
*/
void Close() override;
/**
* Checked whether a connection is open to Nugget.
*/
bool IsOpen() const override;
/**
* Call into and app running on Nugget.
*
* @param app_id The ID of the app to call.
* @param arg Argument to pass to the app.
* @param request Data to send to the app.
* @param response Buffer to receive data from the app.
* @return Status code from the app.
*/
uint32_t CallApp(uint32_t appId, uint16_t arg,
const std::vector<uint8_t>& request,
std::vector<uint8_t>* response) override;
/**
* Access the underlying device.
*
* NULL is returned if the connection to the device is not open.
*
* This can be used by subclasses or to use to use the C API directly.
*/
nos_device* Device();
const nos_device* Device() const;
/**
* Access the name of the device this is a client for.
*/
const std::string& DeviceName() const;
private:
std::string device_name_;
nos_device device_;
bool open_;
};
} // namespace nos
#endif // NOS_NUGGET_CLIENT_H
|
