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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 | ||
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10 | #include "net_helper.hpp" |
11 | #include "tcp_service.hpp" | |
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12 | |
13 | ||
14 | using namespace std; | |
15 | ||
16 | ||
17 | /** | |
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18 | * Default Constructor. |
19 | */ | |
20 | NetHelper::NetHelper() | |
21 | : Log(new Logger()) | |
22 | { | |
c3c84086 | 23 | IPServicePtr = IPService::Ptr(new TCPService()); |
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24 | } |
25 | ||
26 | ||
27 | /** | |
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28 | * Constructor. |
29 | * @param _log Logger | |
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30 | */ |
31 | NetHelper::NetHelper( const Logger::Ptr _log ) | |
32 | : Log(_log) | |
33 | { | |
c3c84086 | 34 | IPServicePtr = IPService::Ptr(new TCPService()); |
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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 | */ | |
83ae2edf | 50 | int NetHelper::open_connection(const string& hostname, const string& port) const |
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51 | { |
52 | try | |
53 | { | |
54 | IPServicePtr->connect(hostname,port); | |
55 | } | |
08a5a621 | 56 | catch ( const boost::system::system_error& boost_exception ) |
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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 | } | |
08a5a621 | 63 | catch ( const exception& e ) |
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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 | } | |
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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 | */ | |
31beb90a | 86 | int NetHelper::send_data(const std::string& data) const |
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87 | { |
88 | try | |
89 | { | |
90 | IPServicePtr->write_to_socket(data); | |
91 | } | |
08a5a621 | 92 | catch ( const boost::system::system_error& boost_exception ) |
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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 | */ | |
31beb90a | 107 | std::string NetHelper::receive_data() const |
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108 | { |
109 | string received_data; | |
110 | try | |
111 | { | |
112 | received_data = IPServicePtr->read_from_socket(); | |
113 | } | |
08a5a621 | 114 | catch ( const boost::system::system_error& boost_exception ) |
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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 | */ | |
31beb90a | 129 | int NetHelper::close_connection() const |
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130 | { |
131 | try | |
132 | { | |
133 | IPServicePtr->close(); | |
134 | } | |
08a5a621 | 135 | catch ( const boost::system::system_error& boost_exception ) |
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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 | } |