[6] | 1 | /**
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| 2 | * CRXSocket.cpp
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| 3 | */
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| 4 | #include "CRXSocket.h"
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| 5 |
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| 6 | #include <string.h>
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| 7 |
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| 8 | #ifdef _WIN32
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| 9 | # pragma comment (lib, "ws2_32.lib")
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| 10 | # define close(__socket) closesocket(__socket)
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| 11 | #endif
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| 12 |
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[61] | 13 | bool gInitialized = false;
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[6] | 14 |
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| 15 | CRXSocket::CRXSocket (int aSocket)
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| 16 | {
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| 17 | /*----------------------------------------------------------------*/
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[24] | 18 | CRXSocket::Initialize ();
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| 19 |
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[14] | 20 | memset ((void *)&mAddress, 0x0, sizeof (struct sockaddr_in));
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[61] | 21 |
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| 22 | Attach (aSocket);
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[6] | 23 | /*----------------------------------------------------------------*/
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| 24 | }
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| 25 |
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| 26 | CRXSocket::~CRXSocket (void)
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| 27 | {
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| 28 | /*----------------------------------------------------------------*/
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| 29 | Close ();
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| 30 | /*----------------------------------------------------------------*/
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| 31 | }
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| 32 |
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| 33 | void
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| 34 | CRXSocket::Attach (int aSocket)
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| 35 | {
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[61] | 36 | int aResult = 0;
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| 37 | int aReuseAddress = 0;
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| 38 | size_t aReuseAddressLength = sizeof (aReuseAddress);
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| 39 |
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[6] | 40 | /*----------------------------------------------------------------*/
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| 41 | mSocket = aSocket;
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[61] | 42 |
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| 43 | if (mSocket < 0)
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| 44 | return ;
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| 45 |
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| 46 | aResult = GetOption (SO_REUSEADDR,
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| 47 | &aReuseAddress,
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| 48 | &aReuseAddressLength);
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| 49 | if (aResult < 0)
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| 50 | {
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| 51 | aResult = ERROR_TCPSOCKET_FAILED_TO_GET_SOCKOPT;
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| 52 | CRX_ERROR_SET (aResult, "Failed to get socket option (reuseaddr).(%d)", mSocket);
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| 53 | }
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| 54 |
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| 55 | if (aReuseAddress == 1)
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| 56 | return ;
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| 57 |
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| 58 | aReuseAddress = 1;
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| 59 |
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| 60 | aResult = SetOption (SO_REUSEADDR,
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| 61 | &aReuseAddress,
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| 62 | sizeof (aReuseAddress));
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| 63 | if (aResult < 0)
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| 64 | {
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| 65 | aResult = ERROR_TCPSOCKET_FAILED_TO_SET_SOCKOPT;
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| 66 | CRX_ERROR_SET (aResult, "Failed to set socket option (reuseaddr).(%d)", mSocket);
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| 67 | }
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[6] | 68 | /*----------------------------------------------------------------*/
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| 69 | }
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| 70 |
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| 71 | int
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| 72 | CRXSocket::Detach (void)
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| 73 | {
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| 74 | int aSocket = mSocket;
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| 75 |
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| 76 | /*----------------------------------------------------------------*/
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| 77 | mSocket = 0;
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| 78 | /*----------------------------------------------------------------*/
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| 79 | return aSocket;
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| 80 | }
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| 81 |
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| 82 | void
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| 83 | CRXSocket::Close (void)
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| 84 | {
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| 85 | /*----------------------------------------------------------------*/
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| 86 | if (mSocket <= 0)
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| 87 | return ;
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| 88 |
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| 89 | close (mSocket);
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| 90 | mSocket = 0;
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| 91 | /*----------------------------------------------------------------*/
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| 92 | }
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| 93 |
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| 94 | CRXSocket::operator int (void) const
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| 95 | {
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| 96 | /*----------------------------------------------------------------*/
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| 97 | /*----------------------------------------------------------------*/
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| 98 | return mSocket;
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| 99 | }
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| 100 |
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| 101 | CRXSocket &
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| 102 | CRXSocket::operator = (int aSocket)
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| 103 | {
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| 104 | /*----------------------------------------------------------------*/
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| 105 | Attach (aSocket);
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| 106 | /*----------------------------------------------------------------*/
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| 107 | return *this;
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| 108 | }
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| 109 |
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| 110 | int
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[61] | 111 | CRXSocket::GetOption (const int aOptName,
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| 112 | void * aOptVal,
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| 113 | size_t * aOptLen)
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| 114 | {
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| 115 | int aResult = 0;
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| 116 |
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| 117 | /*----------------------------------------------------------------*/
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| 118 | aResult = getsockopt (mSocket,
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| 119 | SOL_SOCKET,
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| 120 | aOptName,
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| 121 | #ifdef _WIN32
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| 122 | (char *) aOptVal,
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| 123 | #else
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| 124 | aOptVal,
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| 125 | #endif
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| 126 | (socklen_t *) aOptLen);
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| 127 | if (aResult < 0)
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| 128 | {
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| 129 | aResult = ERROR_TCPSOCKET_FAILED_TO_GET_SOCKOPT;
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| 130 | CRX_ERROR_SET (aResult, "Failed to get socket option.");
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| 131 | }
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| 132 | /*----------------------------------------------------------------*/
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| 133 |
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| 134 | return aResult;
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| 135 | }
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| 136 |
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| 137 | int
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[59] | 138 | CRXSocket::SetOption (const int aOptName,
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| 139 | const void * aOptVal,
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| 140 | const size_t aOptLen)
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| 141 | {
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| 142 | int aResult = 0;
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[61] | 143 |
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[59] | 144 | /*----------------------------------------------------------------*/
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| 145 | aResult = setsockopt (mSocket,
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| 146 | SOL_SOCKET,
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| 147 | aOptName,
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| 148 | #ifdef _WIN32
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| 149 | (char *) aOptVal,
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| 150 | #else
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| 151 | aOptVal,
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| 152 | #endif
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| 153 | (socklen_t) aOptLen);
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| 154 | if (aResult < 0)
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| 155 | {
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| 156 | aResult = ERROR_TCPSOCKET_FAILED_TO_SET_SOCKOPT;
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| 157 | CRX_ERROR_SET (aResult, "Failed to set socket option.");
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| 158 | }
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| 159 | /*----------------------------------------------------------------*/
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| 160 |
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| 161 | return aResult;
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| 162 | }
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| 163 |
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| 164 | int
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[24] | 165 | CRXSocket::SetTimeout (const int aTimeout)
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| 166 | {
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| 167 | int aResult = 0;
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| 168 |
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| 169 | #ifndef _WIN32
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| 170 | struct timeval aTimeVal;
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| 171 | aTimeVal.tv_sec = aTimeout;
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| 172 | aTimeVal.tv_usec= 0;
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| 173 | #else
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| 174 | int aTimeMilliSec = aTimeout * 1000;
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| 175 | #endif
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| 176 |
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| 177 | /*----------------------------------------------------------------*/
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| 178 | if (!IsReady ())
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| 179 | return ERROR_TCPSOCKET_NOT_READY;
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| 180 |
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| 181 | if (aTimeout == TCPSOCKET_NO_TIMEOUT)
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| 182 | return 0;
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| 183 |
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[59] | 184 | aResult = SetOption (SO_RCVTIMEO,
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[24] | 185 | #ifdef _WIN32
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[59] | 186 | &aTimeMilliSec,
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| 187 | sizeof (aTimeMilliSec));
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[24] | 188 | #else
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[59] | 189 | &aTimeVal,
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| 190 | sizeof (aTimeVal));
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[57] | 191 | #endif
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[24] | 192 | if (aResult < 0)
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| 193 | {
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[59] | 194 | aResult = ERROR_TCPSOCKET_FAILED_TO_SET_TIMEOUT;
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| 195 | CRX_ERROR_SET (aResult, "Failed to set socket tieout.");
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[24] | 196 | }
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| 197 | /*----------------------------------------------------------------*/
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| 198 |
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| 199 | return aResult;
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| 200 | }
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| 201 |
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| 202 | int
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[6] | 203 | CRXSocket::Initialize (void)
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| 204 | {
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| 205 | int aResult = 0;
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| 206 |
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| 207 | /*----------------------------------------------------------------*/
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| 208 | if (CRXSocket::IsInitialized ())
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| 209 | return aResult;
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| 210 |
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| 211 | #ifdef WIN32
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| 212 | WSADATA aWinSockData;
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| 213 |
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| 214 | aResult = WSAStartup (MAKEWORD (2, 0), &aWinSockData);
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| 215 | if (aResult != 0)
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| 216 | {
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[18] | 217 | aResult = ERROR_TCPSOCKET_FAILED_TO_INITIALIZE;
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| 218 | return aResult;
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[6] | 219 | }
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| 220 | #endif
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| 221 |
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[61] | 222 | gInitialized = true;
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[6] | 223 |
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| 224 | /*----------------------------------------------------------------*/
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| 225 | return aResult;
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| 226 | }
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| 227 |
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| 228 | void
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| 229 | CRXSocket::Finalize (void)
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| 230 | {
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| 231 | /*----------------------------------------------------------------*/
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| 232 | #ifdef WIN32
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| 233 | WSACleanup ();
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| 234 | #endif
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| 235 | /*----------------------------------------------------------------*/
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| 236 | }
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| 237 |
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| 238 | bool
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| 239 | CRXSocket::IsInitialized (void)
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| 240 | {
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| 241 | /*----------------------------------------------------------------*/
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| 242 | /*----------------------------------------------------------------*/
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[61] | 243 | return gInitialized;
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[6] | 244 | }
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| 245 |
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| 246 | bool
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| 247 | CRXSocket::IsReady (void) const
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| 248 | {
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| 249 | /*----------------------------------------------------------------*/
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| 250 | /*----------------------------------------------------------------*/
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| 251 | return IsInitialized () && IsCreated ();
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| 252 | }
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| 253 |
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| 254 | bool
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| 255 | CRXSocket::IsCreated (void) const
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| 256 | {
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| 257 | /*----------------------------------------------------------------*/
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| 258 | /*----------------------------------------------------------------*/
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| 259 | return mSocket > 0 ? true : false;
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| 260 | }
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| 261 |
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| 262 | int
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[63] | 263 | CRXSocket::Create (void)
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[6] | 264 | {
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| 265 | int aResult = -1;
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[61] | 266 | int aReuseAddress = 1;
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[6] | 267 |
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| 268 | /*----------------------------------------------------------------*/
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| 269 | if (!IsInitialized () || IsCreated ())
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[18] | 270 | {
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| 271 | aResult = ERROR_TCPSOCKET_ALREADY_IN_USE;
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[35] | 272 | CRX_ERROR_SET (aResult, "Already in use.");
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[18] | 273 | return aResult;
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| 274 | }
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[6] | 275 |
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| 276 | aResult = socket (PF_INET, SOCK_STREAM, IPPROTO_TCP);
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| 277 | if (aResult < 0)
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| 278 | {
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[18] | 279 | aResult = ERROR_TCPSOCKET_FAILED_TO_CREATE_SOCKET;
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[61] | 280 | CRX_ERROR_SET (aResult, "Failed to create socket(%d).", CRX_SYSTEM_ERROR ());
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[18] | 281 | return aResult;
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[6] | 282 | }
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| 283 |
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| 284 | mSocket = aResult;
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| 285 |
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[61] | 286 | aResult = SetOption (SO_REUSEADDR,
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| 287 | &aReuseAddress,
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| 288 | sizeof (aReuseAddress));
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| 289 | if (aResult < 0)
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| 290 | {
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| 291 | aResult = ERROR_TCPSOCKET_FAILED_TO_SET_SOCKOPT;
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| 292 | CRX_ERROR_SET (aResult, "Failed to set socket option (reuseaddr).");
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| 293 | }
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[6] | 294 | /*----------------------------------------------------------------*/
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[61] | 295 |
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[6] | 296 | return aResult;
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| 297 | }
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| 298 |
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| 299 | int
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[14] | 300 | CRXSocket::Connect (const std::string aUrl,
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| 301 | const unsigned short aPort,
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| 302 | const int aTimeout)
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[6] | 303 | {
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| 304 | int aResult = -1;
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| 305 | struct hostent * aHostEnt;
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[57] | 306 | struct linger aLinger;
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[6] | 307 |
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| 308 | /*----------------------------------------------------------------*/
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[63] | 309 | aResult = Create ();
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[6] | 310 | if (aResult < 0)
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| 311 | {
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[24] | 312 | aResult = ERROR_TCPSOCKET_FAILED_TO_CREATE_SOCKET;
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[61] | 313 | CRX_ERROR_SET (aResult, "Failed to create socket(%d).", CRX_SYSTEM_ERROR ());
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[6] | 314 | return aResult;
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| 315 | }
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| 316 |
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| 317 | mAddress.sin_family = AF_INET;
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| 318 | mAddress.sin_port = htons (aPort);
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| 319 | mAddress.sin_addr.s_addr = inet_addr (aUrl.c_str ());
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| 320 |
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| 321 | if (mAddress.sin_addr.s_addr == (unsigned int)-1)
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| 322 | {
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| 323 | aHostEnt = gethostbyname (aUrl.c_str ());
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| 324 | if (aHostEnt == NULL)
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| 325 | {
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[18] | 326 | aResult = ERROR_TCPSOCKET_FAILED_TO_GET_HOSTNAME;
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[35] | 327 | CRX_ERROR_SET (aResult, "Failed to get hostname.");
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[18] | 328 | return aResult;
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[6] | 329 | }
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| 330 | mAddress.sin_family = aHostEnt->h_addrtype;
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| 331 | memcpy (&(mAddress.sin_addr.s_addr), aHostEnt->h_addr, aHostEnt->h_length);
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| 332 | }
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| 333 |
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[57] | 334 | aLinger.l_onoff = 1;
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| 335 | aLinger.l_linger = 0;
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[59] | 336 | aResult = SetOption (SO_LINGER,
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[61] | 337 | &aLinger,
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| 338 | sizeof (aLinger));
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[57] | 339 | if (aResult < 0)
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| 340 | {
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| 341 | aResult = ERROR_TCPSOCKET_FAILED_TO_SET_SOCKOPT;
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| 342 | CRX_ERROR_SET (aResult, "Failed to set socket option (linger).");
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| 343 | }
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| 344 |
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[24] | 345 | aResult = SetTimeout (aTimeout);
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| 346 | if (aResult < 0)
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[14] | 347 | {
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[57] | 348 | aResult = ERROR_TCPSOCKET_FAILED_TO_SET_TIMEOUT;
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[61] | 349 | CRX_ERROR_SET (aResult, "Failed to set timeout (%d).", CRX_SYSTEM_ERROR ());
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[24] | 350 | return aResult;
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[14] | 351 | }
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| 352 |
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| 353 | aResult = connect (mSocket, (struct sockaddr*) &mAddress, sizeof (mAddress));
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[6] | 354 | if (aResult < 0)
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| 355 | {
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[18] | 356 | aResult = ERROR_TCPSOCKET_FAILED_TO_CONNECT;
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[61] | 357 | CRX_ERROR_SET (aResult, "Failed to connect (%d).", CRX_SYSTEM_ERROR ());
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[6] | 358 | }
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[59] | 359 | /*----------------------------------------------------------------*/
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[6] | 360 |
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| 361 | return aResult;
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| 362 | }
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| 363 |
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| 364 | int
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[14] | 365 | CRXSocket::CreateServer (const unsigned short aPort,
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| 366 | const int aBacklog,
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| 367 | struct sockaddr_in * aAddress)
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[6] | 368 | {
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| 369 | int aResult = -1;
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| 370 |
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| 371 | /*----------------------------------------------------------------*/
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[63] | 372 | aResult = Create ();
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[6] | 373 | if (aResult < 0)
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| 374 | {
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[24] | 375 | aResult = ERROR_TCPSOCKET_FAILED_TO_CREATE_SOCKET;
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[61] | 376 | CRX_ERROR_SET (aResult, "Failed to create socket(%d).", CRX_SYSTEM_ERROR ());
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[6] | 377 | return aResult;
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| 378 | }
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| 379 |
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| 380 | mAddress.sin_family = AF_INET;
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| 381 | mAddress.sin_addr.s_addr= htonl (INADDR_ANY);
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| 382 | mAddress.sin_port = htons (aPort);
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| 383 |
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[14] | 384 | aResult = bind (mSocket, (struct sockaddr *)&mAddress, sizeof (struct sockaddr));
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[6] | 385 | if (aResult < 0)
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| 386 | {
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[18] | 387 | aResult = ERROR_TCPSOCKET_FAILED_TO_BIND;
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[61] | 388 | CRX_ERROR_SET (aResult, "Failed to bind(%d).", CRX_SYSTEM_ERROR ());
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[18] | 389 | return aResult;
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[6] | 390 | }
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| 391 |
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| 392 | aResult = listen (mSocket, aBacklog);
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| 393 | if (aResult < 0)
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| 394 | {
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[18] | 395 | aResult = ERROR_TCPSOCKET_FAILED_TO_LISTEN;
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[61] | 396 | CRX_ERROR_SET (aResult, "Failed to listen(%d).", CRX_SYSTEM_ERROR ());
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[18] | 397 | return aResult;
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[6] | 398 | }
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| 399 |
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| 400 | if (aAddress != NULL)
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| 401 | {
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[14] | 402 | memset ((void *)aAddress, 0x0, sizeof (struct sockaddr_in));
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| 403 | memcpy ((void *)aAddress, (void *)&mAddress, sizeof (struct sockaddr_in));
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[6] | 404 | }
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[61] | 405 | /*----------------------------------------------------------------*/
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[6] | 406 |
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| 407 | return aResult;
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| 408 | }
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| 409 |
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| 410 | int
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[14] | 411 | CRXSocket::Accept (struct sockaddr_in * aRemoteAddress,
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| 412 | int * aAddressLength)
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[6] | 413 | {
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[14] | 414 | int aResult = -1;
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[6] | 415 |
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[14] | 416 | struct sockaddr_in aAddress;
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| 417 | socklen_t aLength = sizeof (aAddress);
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[6] | 418 | /*----------------------------------------------------------------*/
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[24] | 419 | if (!IsReady ())
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| 420 | return ERROR_TCPSOCKET_NOT_READY;
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[6] | 421 |
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[14] | 422 | aResult = accept (mSocket, (struct sockaddr *) &aAddress, &aLength);
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[6] | 423 | if (aResult < 0)
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| 424 | {
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[18] | 425 | aResult = ERROR_TCPSOCKET_FAILED_TO_ACCEPT;
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[61] | 426 | CRX_ERROR_SET (aResult, "Failed to accept(%d).", CRX_SYSTEM_ERROR ());
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[6] | 427 | return aResult;
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| 428 | }
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| 429 |
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| 430 | if (aRemoteAddress != NULL)
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| 431 | {
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[14] | 432 | memset ((void *)aRemoteAddress, 0x0, sizeof (struct sockaddr_in));
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| 433 | memcpy ((void *)aRemoteAddress, (void *)&aAddress, sizeof (struct sockaddr_in));
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[6] | 434 | }
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| 435 |
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| 436 | if (aAddressLength != NULL)
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| 437 | *aAddressLength = aLength;
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[61] | 438 | /*----------------------------------------------------------------*/
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[6] | 439 |
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| 440 | return aResult;
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| 441 | }
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| 442 |
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| 443 | int
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[24] | 444 | CRXSocket::Send (const char * aBuffer,
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| 445 | int aSize)
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[6] | 446 | {
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| 447 | int aResult = -1;
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| 448 |
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| 449 | /*----------------------------------------------------------------*/
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[24] | 450 | if (!IsReady ())
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| 451 | return ERROR_TCPSOCKET_NOT_READY;
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[6] | 452 |
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| 453 | aResult = send (mSocket, aBuffer, aSize, 0);
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| 454 | if (aResult != aSize)
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| 455 | {
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[18] | 456 | aResult = ERROR_TCPSOCKET_FAILED_TO_SEND;
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[61] | 457 | CRX_ERROR_SET (aResult, "Failed to send(%d).", CRX_SYSTEM_ERROR ());
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[6] | 458 | }
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[61] | 459 | /*----------------------------------------------------------------*/
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[6] | 460 |
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| 461 | return aResult;
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| 462 | }
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| 463 |
|
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| 464 | int
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| 465 | CRXSocket::Receive (char * aBuffer,
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| 466 | int aSize)
|
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| 467 | {
|
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| 468 | int aResult = -1;
|
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| 469 |
|
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| 470 | /*----------------------------------------------------------------*/
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[24] | 471 | if (!IsReady ())
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| 472 | return ERROR_TCPSOCKET_NOT_READY;
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[6] | 473 |
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| 474 | aResult = recv (mSocket, aBuffer, aSize, 0);
|
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| 475 | if (aResult < 0)
|
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| 476 | {
|
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[18] | 477 | aResult = ERROR_TCPSOCKET_FAILED_TO_RECEIVE;
|
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[61] | 478 | CRX_ERROR_SET (aResult, "Failed to receive(%d).", CRX_SYSTEM_ERROR ());
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[6] | 479 | }
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[61] | 480 | /*----------------------------------------------------------------*/
|
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[6] | 481 |
|
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| 482 | return aResult;
|
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| 483 | }
|
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