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 Socket.h
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7 | * \brief Class defining a UDP socket
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8 | * \author Guillaume Sanahuja, Copyright Heudiasyc UMR UTC/CNRS 7253
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9 | * \date 2013/11/17
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10 | * \version 4.0
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11 | */
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12 |
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13 | #ifndef UDPSOCKET_H
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14 | #define UDPSOCKET_H
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15 |
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16 | #include <Object.h>
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17 |
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18 | class UdpSocket_impl;
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19 |
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20 | namespace flair {
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21 | namespace core {
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22 |
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23 | /*! \class UdpSocket
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24 | *
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25 | * \brief Class encapsulating a UDP socket. It assumes packets are coming from
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26 | *only one distant host on a given port.
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27 | *
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28 | */
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29 | class UdpSocket : public Object {
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30 | public:
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31 | /*!
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32 | * \brief Constructor
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33 | *
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34 | * Construct the client side of the socket
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35 | *
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36 | * \param parent parent
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37 | * \param name name
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38 | * \param address server address (ex 192.168.1.1:9000)
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39 | * \param broadcast true if address is a broadcast address
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40 | */
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41 | UdpSocket(const Object *parent, std::string name, std::string address,
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42 | bool broadcast = false);
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43 |
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44 | /*!
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45 | * \brief Constructor
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46 | *
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47 | * Construct the server side of the socket
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48 | *
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49 | * \param parent parent
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50 | * \param name name
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51 | * \param port listening port
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52 | */
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53 | UdpSocket(const Object *parent, std::string name, uint16_t port);
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54 |
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55 | /*!
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56 | * \brief Destructor
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57 | *
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58 | */
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59 | ~UdpSocket();
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60 |
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61 | /*!
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62 | * \brief Send a message
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63 | *
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64 | * In case of a broadcast Socket, Parent()->ObjectName() is used as source of
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65 | *the message, this name should be unique.
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66 | *
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67 | * \param message message
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68 | * \param dst_id id of the dst if multiple connection (quick and dirty hack for sido, only works on NRT)
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69 | */
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70 | void SendMessage(std::string message,int dst_id=0);
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71 |
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72 | /*!
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73 | * \brief Send a message
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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 dst_id id of the dst if multiple connection (quick and dirty hack for sido, only works on NRT)
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78 | */
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79 | void SendMessage(const char *message, size_t message_len,int dst_id=0);
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80 |
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81 | /*!
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82 | * \brief Receive a message
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83 | *
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84 | * Receive a message and wait up to timeout. \n
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85 | * If src and src_len are specified, the source of the message will be
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86 | * copied in the src buffer. Source is the Flair name of sender\n
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87 | * Note that in case of a broadcast socket, own messages are filtered and
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88 | * are not received.
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89 | *
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90 | * \param buf buffer to put the message
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91 | * \param buf_len buffer length
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92 | * \param timeout timeout
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93 | * \param src buffer to put source name
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94 | * \param src_len buffer length
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95 | * \param src_id id of the src, to be used for sending if multiple connection (quick and dirty hack for sido, only works on NRT)
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96 | *
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97 | * \return size of the received message
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98 | */
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99 | ssize_t RecvMessage(char *buf, size_t buf_len, Time timeout, char *src = NULL,
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100 | size_t *src_len = NULL,int *src_id=NULL);
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101 |
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102 | void NetworkToHost(char *data, size_t dataSize);
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103 | void HostToNetwork(char *data, size_t dataSize);
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104 |
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105 | private:
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106 | class UdpSocket_impl *pimpl_;
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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 // UDPSOCKET_H
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