| 1 | /** @file |
| 2 | * @brief TcpIpHelper class implementation. This class represents a Helper to easily perform tcp/ip operations. |
| 3 | * |
| 4 | * |
| 5 | * |
| 6 | * @copyright Intra2net AG |
| 7 | * @license GPLv2 |
| 8 | */ |
| 9 | |
| 10 | #include "net_helper.hpp" |
| 11 | #include "tcp_service.hpp" |
| 12 | |
| 13 | |
| 14 | using namespace std; |
| 15 | |
| 16 | |
| 17 | /** |
| 18 | * Default Constructor. |
| 19 | */ |
| 20 | NetHelper::NetHelper() |
| 21 | : Log(new Logger()) |
| 22 | { |
| 23 | IPServicePtr = IPService::Ptr(new TCPService()); |
| 24 | } |
| 25 | |
| 26 | |
| 27 | /** |
| 28 | * Constructor. |
| 29 | * @param _log Logger |
| 30 | */ |
| 31 | NetHelper::NetHelper( const Logger::Ptr _log ) |
| 32 | : Log(_log) |
| 33 | { |
| 34 | IPServicePtr = IPService::Ptr(new TCPService()); |
| 35 | } |
| 36 | |
| 37 | |
| 38 | /** |
| 39 | * Default destructor |
| 40 | */ |
| 41 | NetHelper::~NetHelper() |
| 42 | { |
| 43 | } |
| 44 | |
| 45 | |
| 46 | /** |
| 47 | * Open the connection to the peer. |
| 48 | * @return 0 if all is fine, -1 on error. |
| 49 | */ |
| 50 | int NetHelper::open_connection(const string& hostname, const string& port) const |
| 51 | { |
| 52 | try |
| 53 | { |
| 54 | IPServicePtr->connect(hostname,port); |
| 55 | } |
| 56 | catch ( const boost::system::system_error& boost_exception ) |
| 57 | { |
| 58 | ostringstream out; |
| 59 | out << "NetHelper::open_connection(): " << boost_exception.what() << " Host: " << hostname << " Port: " << port; |
| 60 | Log->print_network_error(out.str()); |
| 61 | return -1; |
| 62 | } |
| 63 | catch ( const exception& e ) |
| 64 | { |
| 65 | ostringstream out; |
| 66 | out << "NetHelper::open_connection(): " << e.what() << " Host: " << hostname << " Port: " << port; |
| 67 | Log->print_network_error(out.str()); |
| 68 | return -1; |
| 69 | } |
| 70 | catch ( ... ) |
| 71 | { |
| 72 | ostringstream out; |
| 73 | out << "Unknown exception caught while trying to connect to Host: " << hostname << " Port: " << port; |
| 74 | Log->print_network_error(out.str()); |
| 75 | return -1; |
| 76 | } |
| 77 | return 0; |
| 78 | } |
| 79 | |
| 80 | |
| 81 | /** |
| 82 | * Send the given data |
| 83 | * @param data Data to send |
| 84 | * @return 0 if all is fine, -1 on error. |
| 85 | */ |
| 86 | int NetHelper::send_data(const std::string& data) const |
| 87 | { |
| 88 | try |
| 89 | { |
| 90 | IPServicePtr->write_to_socket(data); |
| 91 | } |
| 92 | catch ( const boost::system::system_error& boost_exception ) |
| 93 | { |
| 94 | ostringstream out; |
| 95 | out << "NetHelper::send_data(): " << boost_exception.what() << " Data to be send: " << data; |
| 96 | Log->print_network_error(out.str()); |
| 97 | return -1; |
| 98 | } |
| 99 | return 0; |
| 100 | } |
| 101 | |
| 102 | |
| 103 | /** |
| 104 | * Receive all available data from the peer. |
| 105 | * @return The data received. |
| 106 | */ |
| 107 | std::string NetHelper::receive_data() const |
| 108 | { |
| 109 | string received_data; |
| 110 | try |
| 111 | { |
| 112 | received_data = IPServicePtr->read_from_socket(); |
| 113 | } |
| 114 | catch ( const boost::system::system_error& boost_exception ) |
| 115 | { |
| 116 | ostringstream out; |
| 117 | out << "NetHelper::receive_data(): " << boost_exception.what(); |
| 118 | Log->print_network_error(out.str()); |
| 119 | return ""; |
| 120 | } |
| 121 | return received_data; |
| 122 | } |
| 123 | |
| 124 | |
| 125 | /** |
| 126 | * Close the active session. |
| 127 | * @return 0 if all is fine, -1 on error |
| 128 | */ |
| 129 | int NetHelper::close_connection() const |
| 130 | { |
| 131 | try |
| 132 | { |
| 133 | IPServicePtr->close(); |
| 134 | } |
| 135 | catch ( const boost::system::system_error& boost_exception ) |
| 136 | { |
| 137 | ostringstream out; |
| 138 | out << "NetHelper::close_connection(): " << boost_exception.what(); |
| 139 | Log->print_network_error(out.str()); |
| 140 | return -1; |
| 141 | } |
| 142 | return 0; |
| 143 | } |