| src/examples/cpp03/echo/blocking_tcp_echo_server.cpp | src/examples/cpp11/echo/blocking_tcp_echo_server.cpp |
|---|
| ⋮ | ⋮ |
| 1 | // | 1 | // |
| 2 | //·blocking_tcp_echo_server.cpp | 2 | //·blocking_tcp_echo_server.cpp |
| 3 | //·~~~~~~~~~~~~~~~~~~~~~~~~~~~~ | 3 | //·~~~~~~~~~~~~~~~~~~~~~~~~~~~~ |
| 4 | // | 4 | // |
| 5 | //·Copyright·(c)·2003-2021·Christopher·M.·Kohlhoff·(chris·at·kohlhoff·dot·com) | 5 | //·Copyright·(c)·2003-2021·Christopher·M.·Kohlhoff·(chris·at·kohlhoff·dot·com) |
| 6 | // | 6 | // |
| 7 | //·Distributed·under·the·Boost·Software·License,·Version·1.0.·(See·accompanying | 7 | //·Distributed·under·the·Boost·Software·License,·Version·1.0.·(See·accompanying |
| 8 | //·file·LICENSE_1_0.txt·or·copy·at·http://www.boost.org/LICENSE_1_0.txt) | 8 | //·file·LICENSE_1_0.txt·or·copy·at·http://www.boost.org/LICENSE_1_0.txt) |
| 9 | // | 9 | // |
| 10 | | 10 | |
| 11 | #include·<cstdlib> | 11 | #include·<cstdlib> |
| 12 | #include·<iostream> | 12 | #include·<iostream> |
| 13 | #include·<boost/bind/bind.hpp> | 13 | #include·<thread> |
| 14 | #include·<boost/smart_ptr.hpp> | 14 | #include·<utility> |
| 15 | #include·"asio.hpp" | 15 | #include·"asio.hpp" |
| 16 | | 16 | |
| 17 | using·asio::ip::tcp; | 17 | using·asio::ip::tcp; |
| 18 | | 18 | |
| 19 | const·int·max_length·=·1024; | 19 | const·int·max_length·=·1024; |
| 20 | | 20 | |
| 21 | typedef·boost::shared_ptr<tcp::socket>·socket_ptr; | 21 | void·session(tcp::socket·sock) |
| 22 | | |
| 23 | void·session(socket_ptr·sock) | |
| 24 | { | 22 | { |
| 25 | ··try | 23 | ··try |
| 26 | ··{ | 24 | ··{ |
| 27 | ····for·(;;) | 25 | ····for·(;;) |
| 28 | ····{ | 26 | ····{ |
| 29 | ······char·data[max_length]; | 27 | ······char·data[max_length]; |
| 30 | | 28 | |
| 31 | ······asio::error_code·error; | 29 | ······asio::error_code·error; |
| 32 | ······size_t·length·=·sock->read_some(asio::buffer(data),·error); | 30 | ······size_t·length·=·sock.read_some(asio::buffer(data),·error); |
| 33 | ······if·(error·==·asio::error::eof) | 31 | ······if·(error·==·asio::error::eof) |
| 34 | ········break;·//·Connection·closed·cleanly·by·peer. | 32 | ········break;·//·Connection·closed·cleanly·by·peer. |
| 35 | ······else·if·(error) | 33 | ······else·if·(error) |
| 36 | ········throw·asio::system_error(error);·//·Some·other·error. | 34 | ········throw·asio::system_error(error);·//·Some·other·error. |
| 37 | | 35 | |
| 38 | ······asio::write(*sock,·asio::buffer(data,·length)); | 36 | ······asio::write(sock,·asio::buffer(data,·length)); |
| 39 | ····} | 37 | ····} |
| 40 | ··} | 38 | ··} |
| 41 | ··catch·(std::exception&·e) | 39 | ··catch·(std::exception&·e) |
| 42 | ··{ | 40 | ··{ |
| 43 | ····std::cerr·<<·"Exception·in·thread:·"·<<·e.what()·<<·"\n"; | 41 | ····std::cerr·<<·"Exception·in·thread:·"·<<·e.what()·<<·"\n"; |
| 44 | ··} | 42 | ··} |
| 45 | } | 43 | } |
| 46 | | 44 | |
| 47 | void·server(asio::io_context&·io_context,·unsigned·short·port) | 45 | void·server(asio::io_context&·io_context,·unsigned·short·port) |
| 48 | { | 46 | { |
| 49 | ··tcp::acceptor·a(io_context,·tcp::endpoint(tcp::v4(),·port)); | 47 | ··tcp::acceptor·a(io_context,·tcp::endpoint(tcp::v4(),·port)); |
| 50 | ··for·(;;) | 48 | ··for·(;;) |
| 51 | ··{ | 49 | ··{ |
| 52 | ····socket_ptr·sock(new·tcp::socket(io_context)); | 50 | ····std::thread(session,·a.accept()).detach(); |
| 53 | ····a.accept(*sock); | |
| 54 | ····asio::thread·t(boost::bind(session,·sock)); | |
| 55 | ··} | 51 | ··} |
| 56 | } | 52 | } |
| 57 | | 53 | |
| 58 | int·main(int·argc,·char*·argv[]) | 54 | int·main(int·argc,·char*·argv[]) |
| 59 | { | 55 | { |
| 60 | ··try | 56 | ··try |
| 61 | ··{ | 57 | ··{ |
| 62 | ····if·(argc·!=·2) | 58 | ····if·(argc·!=·2) |
| 63 | ····{ | 59 | ····{ |
| 64 | ······std::cerr·<<·"Usage:·blocking_tcp_echo_server·<port>\n"; | 60 | ······std::cerr·<<·"Usage:·blocking_tcp_echo_server·<port>\n"; |
| 65 | ······return·1; | 61 | ······return·1; |
| 66 | ····} | 62 | ····} |
| 67 | | 63 | |
| 68 | ····asio::io_context·io_context; | 64 | ····asio::io_context·io_context; |
| 69 | | 65 | |
| 70 | ····using·namespace·std;·//·For·atoi. | 66 | ····server(io_context,·std::atoi(argv[1])); |
| 71 | ····server(io_context,·atoi(argv[1])); | |
| 72 | ··} | 67 | ··} |
| 73 | ··catch·(std::exception&·e) | 68 | ··catch·(std::exception&·e) |
| 74 | ··{ | 69 | ··{ |
| 75 | ····std::cerr·<<·"Exception:·"·<<·e.what()·<<·"\n"; | 70 | ····std::cerr·<<·"Exception:·"·<<·e.what()·<<·"\n"; |
| 76 | ··} | 71 | ··} |
| 77 | | 72 | |
| 78 | ··return·0; | 73 | ··return·0; |
| 79 | } | 74 | } |