1 | #include <boost/asio/ip/tcp.hpp>
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2 | #include <boost/asio/write.hpp>
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3 | #include <boost/asio/read.hpp>
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4 | #include <boost/exception/all.hpp>
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5 | #include <boost/lexical_cast.hpp>
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6 | #include <boost/thread.hpp>
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7 | #include <iostream>
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8 |
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9 | using namespace boost;
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10 | using namespace boost::asio;
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11 | using namespace boost::posix_time;
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12 | using namespace boost::system;
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13 | using namespace std;
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14 |
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15 | namespace {
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16 |
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17 | const char * const CONNECTION_UNAVAILABLE("error.connection-unavailable");
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18 | const char * const RESOLVE_ERROR("error.resolve");
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19 | struct host_name;
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20 | struct port_value;
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21 |
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22 | ip::tcp::endpoint createEndpoint(const string &hostName, unsigned int port) {
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23 | io_service ioService;
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24 | ip::tcp::resolver resolver(ioService);
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25 | ip::tcp::resolver::query query(hostName, lexical_cast<string>(port), ip::tcp::resolver::query::numeric_service);
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26 | try {
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27 | ip::tcp::resolver::iterator resolve(resolver.resolve(query));
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28 | if (resolve != ip::tcp::resolver::iterator()) {
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29 | return *resolve;
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30 | }
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31 | } catch (...) {
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32 | error_info<host_name, string> nameInfo(hostName);
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33 | error_info<port_value, unsigned int> portInfo(port);
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34 | exception_ptr nested(current_exception());
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35 | runtime_error error(RESOLVE_ERROR);
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36 | BOOST_THROW_EXCEPTION(enable_error_info(error) << nameInfo << portInfo << errinfo_nested_exception(nested));
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37 | }
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38 | error_info<host_name, string> nameInfo(hostName);
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39 | error_info<port_value, unsigned int> portInfo(port);
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40 | BOOST_THROW_EXCEPTION(enable_error_info(runtime_error(CONNECTION_UNAVAILABLE)) << nameInfo << portInfo);
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41 | }
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42 |
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43 | void onSuccess(const error_code &error, size_t bytes_transferred) {
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44 | }
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45 |
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46 | class ServerReceive {
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47 | private:
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48 | volatile bool ready;
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49 | string result;
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50 | public:
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51 | ServerReceive() :
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52 | ready(false) {
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53 | }
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54 |
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55 | ~ServerReceive() {
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56 | }
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57 |
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58 | void operator()() {
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59 | io_service io;
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60 | try {
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61 | ip::tcp::socket socket(io);
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62 | ip::tcp::acceptor acceptor(io, ip::tcp::endpoint(ip::tcp::v4(), 32768));
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63 | acceptor.listen();
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64 | ready = true;
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65 | acceptor.accept(socket);
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66 | char data[] = { '\0', '\0', '\0', '\0', '\0' };
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67 | async_read(socket, buffer(data, 4), &onSuccess);
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68 | // Illegal instruction
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69 | io.run();
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70 | result = data;
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71 | } catch (const std::exception &ex) {
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72 | result = ex.what();
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73 | ready = true;
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74 | }
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75 | }
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76 |
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77 | const string &getResult() const {
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78 | return result;
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79 | }
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80 |
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81 | volatile bool isReady() const {
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82 | return ready;
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83 | }
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84 | };
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85 |
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86 | }
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87 |
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88 | int main(int argc, char *argv[]) {
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89 | ServerReceive serverReceive;
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90 | thread server(ref(serverReceive));
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91 | while (!serverReceive.isReady()) {
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92 | this_thread::sleep(milliseconds(100));
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93 | }
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94 | io_service io;
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95 | ip::tcp::socket socket(io);
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96 | socket.connect(createEndpoint("127.0.0.1", 32768));
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97 | asio::write(socket, buffer("asdf", 4));
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98 | server.join();
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99 | cout << "Result: " << serverReceive.getResult() << endl;
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100 | }
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