1 | /**
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2 | * CRXSocket.h
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3 | */
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4 | #ifndef __CRXSOCKET_H__
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5 | #define __CRXSOCKET_H__
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6 |
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7 | #include "CRXException.h"
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8 |
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9 | #ifdef WIN32
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10 | # include <WinSock2.h>
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11 | typedef int socklen_t;
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12 | #else
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13 | # include <netinet/in.h>
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14 | # include <sys/socket.h>
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15 | # include <arpa/inet.h>
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16 | # include <netdb.h>
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17 | #endif
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18 |
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19 | #include <string>
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20 |
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21 | #define TCPSOCKET_NO_TIMEOUT -1
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22 |
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23 | #define ERROR_TCPSOCKET -1000
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24 |
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25 | #define ERROR_TCPSOCKET_FAILED_TO_INITIALIZE ERROR_TCPSOCKET - 1
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26 | #define ERROR_TCPSOCKET_ALREADY_IN_USE ERROR_TCPSOCKET - 2
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27 | #define ERROR_TCPSOCKET_FAILED_TO_CREATE_SOCKET ERROR_TCPSOCKET - 3
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28 | #define ERROR_TCPSOCKET_FAILED_TO_GET_HOSTNAME ERROR_TCPSOCKET - 4
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29 | #define ERROR_TCPSOCKET_FAILED_TO_CONNECT ERROR_TCPSOCKET - 5
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30 | #define ERROR_TCPSOCKET_FAILED_TO_BIND ERROR_TCPSOCKET - 6
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31 | #define ERROR_TCPSOCKET_FAILED_TO_LISTEN ERROR_TCPSOCKET - 7
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32 | #define ERROR_TCPSOCKET_FAILED_TO_ACCEPT ERROR_TCPSOCKET - 8
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33 | #define ERROR_TCPSOCKET_FAILED_TO_SEND ERROR_TCPSOCKET - 9
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34 | #define ERROR_TCPSOCKET_FAILED_TO_RECEIVE ERROR_TCPSOCKET - 10
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35 | #define ERROR_TCPSOCKET_NOT_READY ERROR_TCPSOCKET - 11
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36 | #define ERROR_TCPSOCKET_FAILED_TO_SET_SOCKOPT ERROR_TCPSOCKET - 12
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37 | #define ERROR_TCPSOCKET_FAILED_TO_SET_TIMEOUT ERROR_TCPSOCKET - 13
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38 |
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39 | class CRXSocket : public CRXException
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40 | {
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41 | private:
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42 | static bool mInitialized;
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43 | struct sockaddr_in mAddress;
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44 | int mSocket;
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45 |
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46 | private:
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47 | /**
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48 | * create socket.
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49 | * @return success : socket id, failed : -1.
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50 | */
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51 | int CreateSocket (void);
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52 |
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53 | /**
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54 | * check socket status.
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55 | * @return available : true, else : false.
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56 | */
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57 | bool IsCreated (void) const;
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58 |
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59 | bool IsReady (void) const;
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60 |
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61 | /**
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62 | * static functions
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63 | */
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64 | static int Initialize (void);
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65 |
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66 | static bool IsInitialized (void);
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67 |
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68 | static void Finalize (void);
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69 |
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70 |
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71 | public:
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72 | /**
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73 | * common functions
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74 | */
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75 | CRXSocket (int aSocket = 0);
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76 |
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77 | ~CRXSocket (void);
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78 |
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79 | void Attach (int aSocket);
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80 |
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81 | int Detach (void);
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82 |
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83 | void Close (void);
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84 |
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85 | operator int (void) const;
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86 |
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87 | CRXSocket & operator = (int aSocket);
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88 |
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89 | int SetOption (const int aOptName,
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90 | const void * aOptVal,
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91 | const size_t aOptLen);
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92 |
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93 | int SetTimeout (const int aTimeout);
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94 |
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95 | /**
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96 | * for server
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97 | */
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98 | int CreateServer (const unsigned short aPort,
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99 | const int aBacklog = 5,
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100 | struct sockaddr_in * aAddress = NULL);
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101 |
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102 | int Accept (struct sockaddr_in * aRemoteAddress = NULL,
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103 | int * aAddressLength = NULL);
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104 |
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105 | /**
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106 | * for client
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107 | */
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108 | int Connect (const std::string aUrl,
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109 | const unsigned short aPort,
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110 | const int aTimeout = TCPSOCKET_NO_TIMEOUT);
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111 |
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112 | /**
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113 | * for communication
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114 | */
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115 | int Send (const char * aBuffer,
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116 | int aSize);
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117 |
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118 | int Receive (char * aBuffer,
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119 | int aSize);
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120 | };
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121 |
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122 | #endif // #ifndef __CRXSOCKET_H__
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