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
|
#include "connection.h"
#include <boost/bind.hpp>
Connection::Connection(boost::asio::io_service& io_service) : socket(io_service) {
}
void Connection::handle_read(uint8_t* data, std::size_t bytes, const boost::system::error_code& error) {
if(error) {
error();
return;
}
got_data(data, bytes);
delete[] data;
}
void Connection::handle_write() {
}
void Connection::request_data(std::size_t bytes) {
uint8_t* buf = new uint8_t[bytes];
boost::asio::async_read(socket, boost::asio::buffer(buf, bytes),
boost::bind(&Connection::handle_read, shared_from_this(), buf, bytes, boost::asio::placeholders::error));
}
void Connection::got_message(const Message::p& msg) {
// TODO: Implement message queueing. For now, unexpected messages will cause an error.
boost::function<void (Message::p)> f = recv_callback;
recv_callback.clear();
error_callback.clear();
f(msg);
}
void Connection::error(const std::string& msg) {
if(error_callback) {
boost::function<void (const std::string&)> f = error_callback;
recv_callback.clear();
error_callback.clear();
f(msg);
} else {
recv_callback.clear();
}
}
void Connection::write_data(uint8_t* data, std::size_t bytes) {
boost::asio::async_write(socket, boost::asio::buffer(data, bytes),
boost::bind(&Connection::handle_write, shared_from_this()));
}
Connection::p Connection::create(boost::asio::io_service& io_service) {
return Connection::p(new Connection(io_service));
}
void Connection::recv(boost::function<void (Message::p)> callback, boost::function<void (const std::string&)> error) {
recv_callback = callback;
error_callback = error;
start_recv();
}
|