1 | #include <boost/asio.hpp>
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2 | #include <boost/thread.hpp>
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3 | #include <string>
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4 | #include <iostream>
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5 |
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6 | #include <unistd.h>
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7 |
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8 | const std::string socket_path = "/tmp/sok";
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9 | typedef boost::asio::local::stream_protocol::socket socket_t;
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10 | typedef socket_t* socket_ptr_t; // do not destroy connected sockets, so they remain connected
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11 |
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12 | boost::asio::io_service io;
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13 | boost::asio::io_service::work io_work(io);
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14 | boost::asio::local::stream_protocol::acceptor acceptor(io);
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15 |
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16 | void start_server()
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17 | {
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18 | // just listen, do not accept connections
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19 | ::unlink(socket_path.c_str());
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20 | acceptor.open(boost::asio::local::stream_protocol());
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21 | acceptor.bind(boost::asio::local::stream_protocol::endpoint(socket_path));
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22 | acceptor.listen();
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23 | }
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24 |
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25 | void handle_connect(socket_ptr_t sp, const boost::system::error_code& ec)
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26 | {
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27 | if (!ec) {
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28 | // successful connect, try write()
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29 | boost::system::error_code wec;
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30 | const size_t w = boost::asio::write(*sp, boost::asio::buffer("a",1), wec);
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31 | if (wec) {
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32 | std::cerr << "write error: " << wec.message() << std::endl;
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33 | _exit(1);
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34 | }
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35 | }
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36 | }
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37 |
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38 | int main()
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39 | {
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40 | boost::thread io_run_thr(boost::bind(&boost::asio::io_service::run, &io));
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41 | start_server();
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42 | while (1) {
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43 | socket_ptr_t sp(new socket_t(io));
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44 | sp->async_connect(
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45 | boost::asio::local::stream_protocol::endpoint(socket_path),
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46 | boost::bind(&handle_connect, sp, boost::asio::placeholders::error)
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47 | );
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48 | }
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49 | }
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