1 | // %flair:license{
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2 | // This file is part of the Flair framework distributed under the
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3 | // CECILL-C License, Version 1.0.
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4 | // %flair:license}
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5 | /*!
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6 | * \file ConnectedSocket.h
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7 | * \brief Class defining a socket working in connected mode
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8 | * \author Gildas Bayard, Copyright Heudiasyc UMR UTC/CNRS 7253
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9 | * \date 2015/04/21
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10 | * \version 4.0
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11 | */
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12 |
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13 | #ifndef CONNECTEDSOCKET_H
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14 | #define CONNECTEDSOCKET_H
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15 |
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16 | #include <Object.h>
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17 |
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18 | namespace flair {
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19 | namespace core {
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20 |
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21 | /*! \class ConnectedSocket
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22 | *
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23 | * \brief Interface class encapsulating a connected socket. Preserves packets
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24 | *order and guaranty delivery.
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25 | *
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26 | */
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27 | class ConnectedSocket : public Object {
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28 | public:
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29 | /*!
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30 | * \brief Constructor
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31 | *
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32 | */
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33 | ConnectedSocket(const Object *parent, const std::string name);
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34 |
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35 | /*!
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36 | * \brief Destructor
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37 | *
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38 | */
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39 | ~ConnectedSocket();
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40 |
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41 | /*!
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42 | * \brief Returns a socket which listens on a specific port/address
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43 | *
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44 | * \param const Object* parentObject
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45 | * \param const string name
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46 | * \param unsigned int port
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47 | * \param const localAddress (defaults to any)
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48 | */
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49 | virtual void Listen(const unsigned int port,
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50 | const std::string localAddress = "ANY") = 0;
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51 |
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52 | /*!
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53 | * \brief Returns a socket on a new incoming connexion
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54 | *
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55 | * \param timeout timeout (in nanoseconds)
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56 | */
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57 | virtual ConnectedSocket *Accept(
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58 | Time timeout) = 0; // should throw an exception if not a listening socket
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59 |
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60 | /*!
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61 | * \brief Returns a socket connected to a distant host
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62 | *
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63 | * \param const Object* parentObject
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64 | * \param const string name
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65 | * \param unsigned int port
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66 | * \param const distantAddress
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67 | * \param timeout timeout (in nanoseconds)
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68 | */
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69 | virtual bool Connect(const unsigned int port,
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70 | const std::string distantAddress, Time timeout) = 0;
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71 |
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72 | /*!
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73 | * \brief Send a message waiting up to timeout ns
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74 | *
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75 | * \param message message
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76 | * \param message_len message length
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77 | * \param timeout timeout (in nanoseconds)
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78 | */
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79 | virtual ssize_t SendMessage(const char *message, size_t message_len,
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80 | Time timeout) = 0;
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81 |
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82 | /*!
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83 | * \brief Receive a message
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84 | *
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85 | * Receive a message and wait up to timeout ns. \n
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86 | *
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87 | * \param buf buffer to put the message
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88 | * \param buf_len buffer length
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89 | * \param timeout timeout (in nanoseconds)
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90 | *
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91 | * \return size of the received message
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92 | */
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93 | virtual ssize_t RecvMessage(char *buf, size_t buf_len, Time timeout) = 0;
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94 |
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95 | std::string ReadString(const size_t &stringLength, Time timeout);
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96 | uint16_t ReadUInt16(Time const &timeout);
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97 | void WriteUInt16(uint16_t const &data, Time const &timeout);
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98 | uint32_t ReadUInt32(Time const &timeout);
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99 | void WriteUInt32(uint32_t const &data, Time const &timeout);
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100 |
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101 | //!! See Socket.h for a more generic implementation of network/host endianness
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102 | // conversion
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103 | virtual uint16_t NetworkToHost16(uint16_t data) = 0;
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104 | virtual uint16_t HostToNetwork16(uint16_t data) = 0;
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105 | virtual uint32_t NetworkToHost32(uint32_t data) = 0;
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106 | virtual uint32_t HostToNetwork32(uint32_t data) = 0;
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107 | };
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108 |
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109 | } // end namespace core
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110 | } // end namespace flair
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111 |
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112 | #endif // CONNECTEDSOCKET_H
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