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source: source/ariba/utility/transport/rfcomm/bluetooth_endpoint.hpp@ 12766

Last change on this file since 12766 was 10700, checked in by Michael Tänzer, 12 years ago

Merge CMake branch into trunk
File size: 5.3 KB
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1#include "ariba/config.h"
2
3#ifdef HAVE_LIBBLUETOOTH
4
5#ifndef BOOST_ASIO_BLUETOOTH_BLUETOOTH_ENDPOINT_HPP__
6#define BOOST_ASIO_BLUETOOTH_BLUETOOTH_ENDPOINT_HPP__
7
8#include <bluetooth/bluetooth.h>
9#include <bluetooth/rfcomm.h>
10#include <iostream>
11
12#include <boost/asio/basic_stream_socket.hpp>
13
14namespace boost {
15namespace asio {
16namespace bluetooth {
17
18/**
19 * Describes an endpoint for a RFCOMM Bluetooth socket.
20 *
21 * @author Martin Florian <mflorian@lafka.net>
22 */
23template<typename BluetoothProtocol>
24class bluetooth_endpoint {
25private:
26 static const bdaddr_t addr_any;
27
28public:
29 /// The protocol type associated with the endpoint.
30 typedef BluetoothProtocol protocol_type;
31
32 /// The type of the endpoint structure. This type is dependent on the
33 /// underlying implementation of the socket layer.
34 typedef boost::asio::detail::socket_addr_type data_type; // <-- Do I need this?
35 //typedef sockaddr_rc data_type;
36
37 /// Default constructor.
38 bluetooth_endpoint() :
39 data_() {
40 data_.rc_family = AF_BLUETOOTH;
41 data_.rc_bdaddr = addr_any;
42 data_.rc_channel = 0;
43 }
44
45 bluetooth_endpoint(const BluetoothProtocol& protocol,
46 uint8_t channel) :
47 data_() {
48 data_.rc_family = AF_BLUETOOTH;
49 data_.rc_bdaddr = addr_any;
50 data_.rc_channel = channel;
51 }
52
53 /// Construct an endpoint using a port number, specified in the host's byte
54 /// order. The IP address will be the any address (i.e. INADDR_ANY or
55 /// in6addr_any). This constructor would typically be used for accepting new
56 /// connections.
57 bluetooth_endpoint(uint8_t channel) :
58 data_() {
59 data_.rc_family = AF_BLUETOOTH;
60 data_.rc_bdaddr = addr_any;
61 data_.rc_channel = channel;
62 }
63
64 /// Construct an endpoint using a port number and an BT address.
65 /// The address is in human readable form as a string.
66 bluetooth_endpoint(const char *addr, uint8_t channel) :
67 data_() {
68 data_.rc_family = AF_BLUETOOTH;
69 data_.rc_channel = channel;
70 str2ba(addr, &data_.rc_bdaddr);
71 }
72
73 /// Construct an endpoint using a port number and an BT address.
74 /// The address is given in the bluetooth-internal format.
75 bluetooth_endpoint(const bdaddr_t& addr, uint8_t channel) :
76 data_() {
77 data_.rc_family = AF_BLUETOOTH;
78 data_.rc_channel = channel;
79 data_.rc_bdaddr = addr;
80 }
81
82 /// Copy constructor.
83 bluetooth_endpoint(const bluetooth_endpoint& other) :
84 data_(other.data_) {
85 }
86
87 /// Assign from another endpoint.
88 bluetooth_endpoint& operator=(const bluetooth_endpoint& other) {
89 data_ = other.data_;
90 return *this;
91 }
92
93 /// The protocol associated with the endpoint.
94 protocol_type protocol() const {
95 return protocol_type::get();
96 }
97
98 /// Get the underlying endpoint in the native type.
99 /// TODO: make this nice and generic -> union like in tcp
100 data_type* data() {
101 return (boost::asio::detail::socket_addr_type*) &data_;
102 }
103
104 /// Get the underlying endpoint in the native type.
105 const data_type* data() const {
106 return (boost::asio::detail::socket_addr_type*) &data_;
107 }
108
109 /// Get the underlying size of the endpoint in the native type.
110 std::size_t size() const {
111 return sizeof(data_type);
112 }
113
114 /// Set the underlying size of the endpoint in the native type.
115 void resize(std::size_t size) {
116 if (size > sizeof(data_type)) {
117 boost::system::system_error e(boost::asio::error::invalid_argument);
118 boost::throw_exception(e);
119 }
120 }
121
122 /// Get the capacity of the endpoint in the native type.
123 std::size_t capacity() const {
124 return sizeof(data_type);
125 }
126
127 /// Get the channel associated with the endpoint. The port number is always in
128 /// the host's byte order.
129 uint8_t channel() const {
130 return data_.rc_channel;
131 }
132
133 /// Set the channel associated with the endpoint. The port number is always in
134 /// the host's byte order.
135 void channel(uint8_t channel_num) {
136 data_.rc_channel = channel_num;
137 }
138
139 /// Get the Bluetooth address associated with the endpoint.
140 const bdaddr_t& address() const {
141 return data_.rc_bdaddr;
142 }
143
144 /// Set the Bluetooth address associated with the endpoint.
145 void address(const boost::asio::ip::address& addr) {
146 bluetooth_endpoint<BluetoothProtocol> tmp_endpoint(addr, channel());
147 data_ = tmp_endpoint.data_;
148 }
149
150 /// Compare two endpoints for equality.
151 friend bool operator==(const bluetooth_endpoint& e1,
152 const bluetooth_endpoint& e2) {
153 return e1.address() == e2.address() && e1.channel() == e2.channel();
154 }
155
156 /// Compare two endpoints for inequality.
157 friend bool operator!=(const bluetooth_endpoint& e1,
158 const bluetooth_endpoint& e2) {
159 return e1.address() != e2.address() || e1.channel() != e2.channel();
160 }
161
162 /// Compare endpoints for ordering.
163 friend bool operator<(const bluetooth_endpoint<BluetoothProtocol>& e1,
164 const bluetooth_endpoint<BluetoothProtocol>& e2) {
165 int cmp = bacmp(&e1.address(), &e2.address());
166
167 if (cmp == 0) {
168 return e1.channel() < e2.channel();
169 } else {
170 return cmp < 0;
171 }
172 }
173
174 friend ostream& operator<<(
175 ostream& out,
176 const bluetooth_endpoint<BluetoothProtocol>& endp) {
177 char* mac_str = batostr(&endp.data_.rc_bdaddr);
178 out << "[" << mac_str << "]:" << (int)endp.data_.rc_channel;
179 free(mac_str);
180 return out;
181 }
182
183private:
184 // The underlying rfcomm socket address structure thingy.
185 //struct data_type data_;
186 struct sockaddr_rc data_;
187};
188
189template<typename X>
190const bdaddr_t bluetooth_endpoint<X>::addr_any = { {0u, 0u, 0u, 0u, 0u, 0u} };
191
192}}} // namespace boost::asio::bluetooth
193
194#endif /* BOOST_ASIO_BLUETOOTH_BLUETOOTH_ENDPOINT_HPP__ */
195#endif /* HAVE_LIBBLUETOOTH */
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