1 | {==============================================================================|
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2 | | Project : Ararat Synapse | 001.000.002 |
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3 | |==============================================================================|
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4 | | Content: Socket Independent Platform Layer - .NET definition include |
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5 | |==============================================================================|
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6 | | Copyright (c)2004, Lukas Gebauer |
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7 | | All rights reserved. |
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8 | | |
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9 | | Redistribution and use in source and binary forms, with or without |
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10 | | modification, are permitted provided that the following conditions are met: |
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11 | | |
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12 | | Redistributions of source code must retain the above copyright notice, this |
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13 | | list of conditions and the following disclaimer. |
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14 | | |
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15 | | Redistributions in binary form must reproduce the above copyright notice, |
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16 | | this list of conditions and the following disclaimer in the documentation |
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17 | | and/or other materials provided with the distribution. |
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18 | | |
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19 | | Neither the name of Lukas Gebauer nor the names of its contributors may |
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20 | | be used to endorse or promote products derived from this software without |
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21 | | specific prior written permission. |
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22 | | |
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23 | | THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" |
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24 | | AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE |
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25 | | IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE |
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26 | | ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE FOR |
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27 | | ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL |
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28 | | DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR |
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29 | | SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER |
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30 | | CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT |
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31 | | LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY |
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32 | | OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH |
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33 | | DAMAGE. |
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34 | |==============================================================================|
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35 | | The Initial Developer of the Original Code is Lukas Gebauer (Czech Republic).|
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36 | | Portions created by Lukas Gebauer are Copyright (c)2004. |
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37 | | All Rights Reserved. |
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38 | |==============================================================================|
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39 | | Contributor(s): |
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40 | |==============================================================================|
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41 | | History: see HISTORY.HTM from distribution package |
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42 | | (Found at URL: http://www.ararat.cz/synapse/) |
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43 | |==============================================================================}
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44 |
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45 | {:@exclude}
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46 |
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47 | {$IFDEF CIL}
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48 |
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49 | interface
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50 |
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51 | uses
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52 | SyncObjs, SysUtils, Classes,
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53 | System.Net,
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54 | System.Net.Sockets;
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55 |
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56 | const
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57 | DLLStackName = '';
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58 | WinsockLevel = $0202;
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59 |
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60 | function InitSocketInterface(stack: string): Boolean;
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61 | function DestroySocketInterface: Boolean;
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62 |
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63 | type
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64 | u_char = Char;
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65 | u_short = Word;
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66 | u_int = Integer;
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67 | u_long = Longint;
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68 | pu_long = ^u_long;
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69 | pu_short = ^u_short;
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70 | PSockAddr = IPEndPoint;
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71 | DWORD = integer;
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72 | ULong = cardinal;
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73 | TMemory = Array of byte;
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74 | TLinger = LingerOption;
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75 | TSocket = socket;
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76 | TAddrFamily = AddressFamily;
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77 |
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78 | const
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79 | WSADESCRIPTION_LEN = 256;
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80 | WSASYS_STATUS_LEN = 128;
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81 | type
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82 | PWSAData = ^TWSAData;
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83 | TWSAData = packed record
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84 | wVersion: Word;
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85 | wHighVersion: Word;
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86 | szDescription: array[0..WSADESCRIPTION_LEN] of Char;
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87 | szSystemStatus: array[0..WSASYS_STATUS_LEN] of Char;
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88 | iMaxSockets: Word;
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89 | iMaxUdpDg: Word;
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90 | // lpVendorInfo: PChar;
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91 | end;
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92 |
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93 | const
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94 | MSG_NOSIGNAL = 0;
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95 | INVALID_SOCKET = nil;
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96 | AF_UNSPEC = AddressFamily.Unspecified;
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97 | AF_INET = AddressFamily.InterNetwork;
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98 | AF_INET6 = AddressFamily.InterNetworkV6;
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99 | SOCKET_ERROR = integer(-1);
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100 |
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101 | FIONREAD = integer($4004667f);
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102 | FIONBIO = integer($8004667e);
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103 | FIOASYNC = integer($8004667d);
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104 |
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105 | SOMAXCONN = integer($7fffffff);
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106 |
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107 | IPPROTO_IP = ProtocolType.IP;
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108 | IPPROTO_ICMP = ProtocolType.Icmp;
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109 | IPPROTO_IGMP = ProtocolType.Igmp;
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110 | IPPROTO_TCP = ProtocolType.Tcp;
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111 | IPPROTO_UDP = ProtocolType.Udp;
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112 | IPPROTO_RAW = ProtocolType.Raw;
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113 | IPPROTO_IPV6 = ProtocolType.IPV6;
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114 | //
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115 | IPPROTO_ICMPV6 = ProtocolType.Icmp; //??
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116 |
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117 | SOCK_STREAM = SocketType.Stream;
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118 | SOCK_DGRAM = SocketType.Dgram;
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119 | SOCK_RAW = SocketType.Raw;
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120 | SOCK_RDM = SocketType.Rdm;
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121 | SOCK_SEQPACKET = SocketType.Seqpacket;
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122 |
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123 | SOL_SOCKET = SocketOptionLevel.Socket;
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124 | SOL_IP = SocketOptionLevel.Ip;
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125 |
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126 |
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127 | IP_OPTIONS = SocketOptionName.IPOptions;
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128 | IP_HDRINCL = SocketOptionName.HeaderIncluded;
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129 | IP_TOS = SocketOptionName.TypeOfService; { set/get IP Type Of Service }
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130 | IP_TTL = SocketOptionName.IpTimeToLive; { set/get IP Time To Live }
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131 | IP_MULTICAST_IF = SocketOptionName.MulticastInterface; { set/get IP multicast interface }
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132 | IP_MULTICAST_TTL = SocketOptionName.MulticastTimeToLive; { set/get IP multicast timetolive }
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133 | IP_MULTICAST_LOOP = SocketOptionName.MulticastLoopback; { set/get IP multicast loopback }
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134 | IP_ADD_MEMBERSHIP = SocketOptionName.AddMembership; { add an IP group membership }
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135 | IP_DROP_MEMBERSHIP = SocketOptionName.DropMembership; { drop an IP group membership }
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136 | IP_DONTFRAGMENT = SocketOptionName.DontFragment; { set/get IP Don't Fragment flag }
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137 |
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138 | IPV6_UNICAST_HOPS = 8; // TTL
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139 | IPV6_MULTICAST_IF = 9; // set/get IP multicast i/f
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140 | IPV6_MULTICAST_HOPS = 10; // set/get IP multicast ttl
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141 | IPV6_MULTICAST_LOOP = 11; // set/get IP multicast loopback
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142 | IPV6_JOIN_GROUP = 12; // add an IP group membership
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143 | IPV6_LEAVE_GROUP = 13; // drop an IP group membership
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144 |
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145 | SO_DEBUG = SocketOptionName.Debug; { turn on debugging info recording }
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146 | SO_ACCEPTCONN = SocketOptionName.AcceptConnection; { socket has had listen() }
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147 | SO_REUSEADDR = SocketOptionName.ReuseAddress; { allow local address reuse }
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148 | SO_KEEPALIVE = SocketOptionName.KeepAlive; { keep connections alive }
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149 | SO_DONTROUTE = SocketOptionName.DontRoute; { just use interface addresses }
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150 | SO_BROADCAST = SocketOptionName.Broadcast; { permit sending of broadcast msgs }
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151 | SO_USELOOPBACK = SocketOptionName.UseLoopback; { bypass hardware when possible }
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152 | SO_LINGER = SocketOptionName.Linger; { linger on close if data present }
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153 | SO_OOBINLINE = SocketOptionName.OutOfBandInline; { leave received OOB data in line }
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154 | SO_DONTLINGER = SocketOptionName.DontLinger;
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155 | { Additional options. }
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156 | SO_SNDBUF = SocketOptionName.SendBuffer; { send buffer size }
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157 | SO_RCVBUF = SocketOptionName.ReceiveBuffer; { receive buffer size }
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158 | SO_SNDLOWAT = SocketOptionName.SendLowWater; { send low-water mark }
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159 | SO_RCVLOWAT = SocketOptionName.ReceiveLowWater; { receive low-water mark }
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160 | SO_SNDTIMEO = SocketOptionName.SendTimeout; { send timeout }
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161 | SO_RCVTIMEO = SocketOptionName.ReceiveTimeout; { receive timeout }
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162 | SO_ERROR = SocketOptionName.Error; { get error status and clear }
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163 | SO_TYPE = SocketOptionName.Type; { get socket type }
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164 |
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165 | { WinSock 2 extension -- new options }
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166 | // SO_GROUP_ID = $2001; { ID of a socket group}
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167 | // SO_GROUP_PRIORITY = $2002; { the relative priority within a group}
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168 | // SO_MAX_MSG_SIZE = $2003; { maximum message size }
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169 | // SO_PROTOCOL_INFOA = $2004; { WSAPROTOCOL_INFOA structure }
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170 | // SO_PROTOCOL_INFOW = $2005; { WSAPROTOCOL_INFOW structure }
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171 | // SO_PROTOCOL_INFO = SO_PROTOCOL_INFOA;
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172 | // PVD_CONFIG = $3001; {configuration info for service provider }
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173 | { Option for opening sockets for synchronous access. }
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174 | // SO_OPENTYPE = $7008;
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175 | // SO_SYNCHRONOUS_ALERT = $10;
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176 | // SO_SYNCHRONOUS_NONALERT = $20;
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177 | { Other NT-specific options. }
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178 | // SO_MAXDG = $7009;
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179 | // SO_MAXPATHDG = $700A;
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180 | // SO_UPDATE_ACCEPT_CONTEXT = $700B;
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181 | // SO_CONNECT_TIME = $700C;
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182 |
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183 |
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184 | { All Windows Sockets error constants are biased by WSABASEERR from the "normal" }
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185 | WSABASEERR = 10000;
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186 |
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187 | { Windows Sockets definitions of regular Microsoft C error constants }
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188 |
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189 | WSAEINTR = (WSABASEERR+4);
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190 | WSAEBADF = (WSABASEERR+9);
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191 | WSAEACCES = (WSABASEERR+13);
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192 | WSAEFAULT = (WSABASEERR+14);
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193 | WSAEINVAL = (WSABASEERR+22);
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194 | WSAEMFILE = (WSABASEERR+24);
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195 |
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196 | { Windows Sockets definitions of regular Berkeley error constants }
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197 |
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198 | WSAEWOULDBLOCK = (WSABASEERR+35);
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199 | WSAEINPROGRESS = (WSABASEERR+36);
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200 | WSAEALREADY = (WSABASEERR+37);
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201 | WSAENOTSOCK = (WSABASEERR+38);
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202 | WSAEDESTADDRREQ = (WSABASEERR+39);
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203 | WSAEMSGSIZE = (WSABASEERR+40);
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204 | WSAEPROTOTYPE = (WSABASEERR+41);
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205 | WSAENOPROTOOPT = (WSABASEERR+42);
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206 | WSAEPROTONOSUPPORT = (WSABASEERR+43);
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207 | WSAESOCKTNOSUPPORT = (WSABASEERR+44);
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208 | WSAEOPNOTSUPP = (WSABASEERR+45);
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209 | WSAEPFNOSUPPORT = (WSABASEERR+46);
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210 | WSAEAFNOSUPPORT = (WSABASEERR+47);
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211 | WSAEADDRINUSE = (WSABASEERR+48);
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212 | WSAEADDRNOTAVAIL = (WSABASEERR+49);
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213 | WSAENETDOWN = (WSABASEERR+50);
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214 | WSAENETUNREACH = (WSABASEERR+51);
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215 | WSAENETRESET = (WSABASEERR+52);
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216 | WSAECONNABORTED = (WSABASEERR+53);
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217 | WSAECONNRESET = (WSABASEERR+54);
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218 | WSAENOBUFS = (WSABASEERR+55);
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219 | WSAEISCONN = (WSABASEERR+56);
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220 | WSAENOTCONN = (WSABASEERR+57);
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221 | WSAESHUTDOWN = (WSABASEERR+58);
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222 | WSAETOOMANYREFS = (WSABASEERR+59);
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223 | WSAETIMEDOUT = (WSABASEERR+60);
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224 | WSAECONNREFUSED = (WSABASEERR+61);
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225 | WSAELOOP = (WSABASEERR+62);
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226 | WSAENAMETOOLONG = (WSABASEERR+63);
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227 | WSAEHOSTDOWN = (WSABASEERR+64);
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228 | WSAEHOSTUNREACH = (WSABASEERR+65);
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229 | WSAENOTEMPTY = (WSABASEERR+66);
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230 | WSAEPROCLIM = (WSABASEERR+67);
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231 | WSAEUSERS = (WSABASEERR+68);
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232 | WSAEDQUOT = (WSABASEERR+69);
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233 | WSAESTALE = (WSABASEERR+70);
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234 | WSAEREMOTE = (WSABASEERR+71);
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235 |
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236 | { Extended Windows Sockets error constant definitions }
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237 |
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238 | WSASYSNOTREADY = (WSABASEERR+91);
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239 | WSAVERNOTSUPPORTED = (WSABASEERR+92);
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240 | WSANOTINITIALISED = (WSABASEERR+93);
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241 | WSAEDISCON = (WSABASEERR+101);
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242 | WSAENOMORE = (WSABASEERR+102);
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243 | WSAECANCELLED = (WSABASEERR+103);
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244 | WSAEEINVALIDPROCTABLE = (WSABASEERR+104);
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245 | WSAEINVALIDPROVIDER = (WSABASEERR+105);
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246 | WSAEPROVIDERFAILEDINIT = (WSABASEERR+106);
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247 | WSASYSCALLFAILURE = (WSABASEERR+107);
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248 | WSASERVICE_NOT_FOUND = (WSABASEERR+108);
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249 | WSATYPE_NOT_FOUND = (WSABASEERR+109);
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250 | WSA_E_NO_MORE = (WSABASEERR+110);
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251 | WSA_E_CANCELLED = (WSABASEERR+111);
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252 | WSAEREFUSED = (WSABASEERR+112);
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253 |
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254 | { Error return codes from gethostbyname() and gethostbyaddr()
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255 | (when using the resolver). Note that these errors are
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256 | retrieved via WSAGetLastError() and must therefore follow
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257 | the rules for avoiding clashes with error numbers from
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258 | specific implementations or language run-time systems.
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259 | For this reason the codes are based at WSABASEERR+1001.
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260 | Note also that [WSA]NO_ADDRESS is defined only for
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261 | compatibility purposes. }
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262 |
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263 | { Authoritative Answer: Host not found }
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264 | WSAHOST_NOT_FOUND = (WSABASEERR+1001);
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265 | HOST_NOT_FOUND = WSAHOST_NOT_FOUND;
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266 | { Non-Authoritative: Host not found, or SERVERFAIL }
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267 | WSATRY_AGAIN = (WSABASEERR+1002);
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268 | TRY_AGAIN = WSATRY_AGAIN;
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269 | { Non recoverable errors, FORMERR, REFUSED, NOTIMP }
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270 | WSANO_RECOVERY = (WSABASEERR+1003);
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271 | NO_RECOVERY = WSANO_RECOVERY;
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272 | { Valid name, no data record of requested type }
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273 | WSANO_DATA = (WSABASEERR+1004);
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274 | NO_DATA = WSANO_DATA;
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275 | { no address, look for MX record }
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276 | WSANO_ADDRESS = WSANO_DATA;
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277 | NO_ADDRESS = WSANO_ADDRESS;
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278 |
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279 | EWOULDBLOCK = WSAEWOULDBLOCK;
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280 | EINPROGRESS = WSAEINPROGRESS;
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281 | EALREADY = WSAEALREADY;
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282 | ENOTSOCK = WSAENOTSOCK;
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283 | EDESTADDRREQ = WSAEDESTADDRREQ;
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284 | EMSGSIZE = WSAEMSGSIZE;
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285 | EPROTOTYPE = WSAEPROTOTYPE;
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286 | ENOPROTOOPT = WSAENOPROTOOPT;
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287 | EPROTONOSUPPORT = WSAEPROTONOSUPPORT;
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288 | ESOCKTNOSUPPORT = WSAESOCKTNOSUPPORT;
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289 | EOPNOTSUPP = WSAEOPNOTSUPP;
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290 | EPFNOSUPPORT = WSAEPFNOSUPPORT;
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291 | EAFNOSUPPORT = WSAEAFNOSUPPORT;
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292 | EADDRINUSE = WSAEADDRINUSE;
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293 | EADDRNOTAVAIL = WSAEADDRNOTAVAIL;
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294 | ENETDOWN = WSAENETDOWN;
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295 | ENETUNREACH = WSAENETUNREACH;
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296 | ENETRESET = WSAENETRESET;
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297 | ECONNABORTED = WSAECONNABORTED;
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298 | ECONNRESET = WSAECONNRESET;
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299 | ENOBUFS = WSAENOBUFS;
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300 | EISCONN = WSAEISCONN;
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301 | ENOTCONN = WSAENOTCONN;
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302 | ESHUTDOWN = WSAESHUTDOWN;
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303 | ETOOMANYREFS = WSAETOOMANYREFS;
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304 | ETIMEDOUT = WSAETIMEDOUT;
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305 | ECONNREFUSED = WSAECONNREFUSED;
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306 | ELOOP = WSAELOOP;
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307 | ENAMETOOLONG = WSAENAMETOOLONG;
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308 | EHOSTDOWN = WSAEHOSTDOWN;
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309 | EHOSTUNREACH = WSAEHOSTUNREACH;
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310 | ENOTEMPTY = WSAENOTEMPTY;
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311 | EPROCLIM = WSAEPROCLIM;
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312 | EUSERS = WSAEUSERS;
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313 | EDQUOT = WSAEDQUOT;
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314 | ESTALE = WSAESTALE;
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315 | EREMOTE = WSAEREMOTE;
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316 |
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317 |
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318 | type
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319 | TVarSin = IPEndpoint;
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320 |
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321 | { function IN6_IS_ADDR_UNSPECIFIED(const a: PInAddr6): boolean;
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322 | function IN6_IS_ADDR_LOOPBACK(const a: PInAddr6): boolean;
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323 | function IN6_IS_ADDR_LINKLOCAL(const a: PInAddr6): boolean;
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324 | function IN6_IS_ADDR_SITELOCAL(const a: PInAddr6): boolean;
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325 | function IN6_IS_ADDR_MULTICAST(const a: PInAddr6): boolean;
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326 | function IN6_ADDR_EQUAL(const a: PInAddr6; const b: PInAddr6):boolean;
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327 | procedure SET_IN6_IF_ADDR_ANY (const a: PInAddr6);
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328 | procedure SET_LOOPBACK_ADDR6 (const a: PInAddr6);
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329 | var
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330 | in6addr_any, in6addr_loopback : TInAddr6;
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331 | }
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332 |
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333 | {procedure FD_CLR(Socket: TSocket; var FDSet: TFDSet);
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334 | function FD_ISSET(Socket: TSocket; var FDSet: TFDSet): Boolean;
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335 | procedure FD_SET(Socket: TSocket; var FDSet: TFDSet);
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336 | procedure FD_ZERO(var FDSet: TFDSet);
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337 | }
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338 | {=============================================================================}
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339 |
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340 | function WSAStartup(wVersionRequired: Word; var WSData: TWSAData): Integer;
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341 | function WSACleanup: Integer;
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342 | function WSAGetLastError: Integer;
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343 | function WSAGetLastErrorDesc: String;
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344 | function GetHostName: string;
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345 | function Shutdown(s: TSocket; how: Integer): Integer;
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346 | // function SetSockOpt(s: TSocket; level, optname: Integer; optval: PChar;
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347 | // optlen: Integer): Integer;
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348 | function SetSockOpt(s: TSocket; level, optname: Integer; optval: TMemory;
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349 | optlen: Integer): Integer;
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350 | function SetSockOptObj(s: TSocket; level, optname: Integer; optval: TObject): Integer;
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351 | function GetSockOpt(s: TSocket; level, optname: Integer; optval: TMemory;
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352 | var optlen: Integer): Integer;
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353 | // function SendTo(s: TSocket; const Buf; len, flags: Integer; addrto: PSockAddr;
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354 | // tolen: Integer): Integer;
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355 | /// function SendTo(s: TSocket; const Buf; len, flags: Integer; addrto: TVarSin): Integer;
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356 | /// function Send(s: TSocket; const Buf; len, flags: Integer): Integer;
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357 | /// function Recv(s: TSocket; var Buf; len, flags: Integer): Integer;
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358 | // function RecvFrom(s: TSocket; var Buf; len, flags: Integer; from: PSockAddr;
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359 | // var fromlen: Integer): Integer;
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360 | /// function RecvFrom(s: TSocket; var Buf; len, flags: Integer; from: TVarSin): Integer;
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361 | function Send(s: TSocket; Buf: TMemory; len, flags: Integer): Integer;
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362 | function Recv(s: TSocket; Buf: TMemory; len, flags: Integer): Integer;
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363 | function SendTo(s: TSocket; Buf: TMemory; len, flags: Integer; addrto: TVarSin): Integer;
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364 | function RecvFrom(s: TSocket; Buf: TMemory; len, flags: Integer; var from: TVarSin): Integer;
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365 | function ntohs(netshort: u_short): u_short;
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366 | function ntohl(netlong: u_long): u_long;
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367 | function Listen(s: TSocket; backlog: Integer): Integer;
|
---|
368 | function IoctlSocket(s: TSocket; cmd: DWORD; var arg: integer): Integer;
|
---|
369 | function htons(hostshort: u_short): u_short;
|
---|
370 | function htonl(hostlong: u_long): u_long;
|
---|
371 | // function GetSockName(s: TSocket; name: PSockAddr; var namelen: Integer): Integer;
|
---|
372 | function GetSockName(s: TSocket; var name: TVarSin): Integer;
|
---|
373 | // function GetPeerName(s: TSocket; name: PSockAddr; var namelen: Integer): Integer;
|
---|
374 | function GetPeerName(s: TSocket; var name: TVarSin): Integer;
|
---|
375 | // function Connect(s: TSocket; name: PSockAddr; namelen: Integer): Integer;
|
---|
376 | function Connect(s: TSocket; const name: TVarSin): Integer;
|
---|
377 | function CloseSocket(s: TSocket): Integer;
|
---|
378 | // function Bind(s: TSocket; addr: PSockAddr; namelen: Integer): Integer;
|
---|
379 | function Bind(s: TSocket; const addr: TVarSin): Integer;
|
---|
380 | // function Accept(s: TSocket; addr: PSockAddr; var addrlen: Integer): TSocket;
|
---|
381 | function Accept(s: TSocket; var addr: TVarSin): TSocket;
|
---|
382 | function Socket(af, Struc, Protocol: Integer): TSocket;
|
---|
383 | // Select = function(nfds: Integer; readfds, writefds, exceptfds: PFDSet;
|
---|
384 | // timeout: PTimeVal): Longint;
|
---|
385 | // {$IFDEF LINUX}cdecl{$ELSE}stdcall{$ENDIF};
|
---|
386 |
|
---|
387 | // TWSAIoctl = function (s: TSocket; dwIoControlCode: DWORD; lpvInBuffer: Pointer;
|
---|
388 | // cbInBuffer: DWORD; lpvOutBuffer: Pointer; cbOutBuffer: DWORD;
|
---|
389 | // lpcbBytesReturned: PDWORD; lpOverlapped: Pointer;
|
---|
390 | // lpCompletionRoutine: pointer): u_int;
|
---|
391 | // stdcall;
|
---|
392 |
|
---|
393 | function GetPortService(value: string): integer;
|
---|
394 |
|
---|
395 | function IsNewApi(Family: TAddrFamily): Boolean;
|
---|
396 | function SetVarSin(var Sin: TVarSin; IP, Port: string; Family: TAddrFamily; SockProtocol, SockType: integer; PreferIP4: Boolean): integer;
|
---|
397 | function GetSinIP(Sin: TVarSin): string;
|
---|
398 | function GetSinPort(Sin: TVarSin): Integer;
|
---|
399 | procedure ResolveNameToIP(Name: string; Family: TAddrFamily; SockProtocol, SockType: integer; const IPList: TStrings);
|
---|
400 | function ResolveIPToName(IP: string; Family: TAddrFamily; SockProtocol, SockType: integer): string;
|
---|
401 | function ResolvePort(Port: string; Family: TAddrFamily; SockProtocol, SockType: integer): Word;
|
---|
402 |
|
---|
403 | var
|
---|
404 | SynSockCS: SyncObjs.TCriticalSection;
|
---|
405 | SockEnhancedApi: Boolean;
|
---|
406 | SockWship6Api: Boolean;
|
---|
407 |
|
---|
408 | {==============================================================================}
|
---|
409 | implementation
|
---|
410 |
|
---|
411 | threadvar
|
---|
412 | WSALastError: integer;
|
---|
413 | WSALastErrorDesc: string;
|
---|
414 |
|
---|
415 | var
|
---|
416 | services: Array [0..139, 0..1] of string =
|
---|
417 | (
|
---|
418 | ('echo', '7'),
|
---|
419 | ('discard', '9'),
|
---|
420 | ('sink', '9'),
|
---|
421 | ('null', '9'),
|
---|
422 | ('systat', '11'),
|
---|
423 | ('users', '11'),
|
---|
424 | ('daytime', '13'),
|
---|
425 | ('qotd', '17'),
|
---|
426 | ('quote', '17'),
|
---|
427 | ('chargen', '19'),
|
---|
428 | ('ttytst', '19'),
|
---|
429 | ('source', '19'),
|
---|
430 | ('ftp-data', '20'),
|
---|
431 | ('ftp', '21'),
|
---|
432 | ('telnet', '23'),
|
---|
433 | ('smtp', '25'),
|
---|
434 | ('mail', '25'),
|
---|
435 | ('time', '37'),
|
---|
436 | ('timeserver', '37'),
|
---|
437 | ('rlp', '39'),
|
---|
438 | ('nameserver', '42'),
|
---|
439 | ('name', '42'),
|
---|
440 | ('nickname', '43'),
|
---|
441 | ('whois', '43'),
|
---|
442 | ('domain', '53'),
|
---|
443 | ('bootps', '67'),
|
---|
444 | ('dhcps', '67'),
|
---|
445 | ('bootpc', '68'),
|
---|
446 | ('dhcpc', '68'),
|
---|
447 | ('tftp', '69'),
|
---|
448 | ('gopher', '70'),
|
---|
449 | ('finger', '79'),
|
---|
450 | ('http', '80'),
|
---|
451 | ('www', '80'),
|
---|
452 | ('www-http', '80'),
|
---|
453 | ('kerberos', '88'),
|
---|
454 | ('hostname', '101'),
|
---|
455 | ('hostnames', '101'),
|
---|
456 | ('iso-tsap', '102'),
|
---|
457 | ('rtelnet', '107'),
|
---|
458 | ('pop2', '109'),
|
---|
459 | ('postoffice', '109'),
|
---|
460 | ('pop3', '110'),
|
---|
461 | ('sunrpc', '111'),
|
---|
462 | ('rpcbind', '111'),
|
---|
463 | ('portmap', '111'),
|
---|
464 | ('auth', '113'),
|
---|
465 | ('ident', '113'),
|
---|
466 | ('tap', '113'),
|
---|
467 | ('uucp-path', '117'),
|
---|
468 | ('nntp', '119'),
|
---|
469 | ('usenet', '119'),
|
---|
470 | ('ntp', '123'),
|
---|
471 | ('epmap', '135'),
|
---|
472 | ('loc-srv', '135'),
|
---|
473 | ('netbios-ns', '137'),
|
---|
474 | ('nbname', '137'),
|
---|
475 | ('netbios-dgm', '138'),
|
---|
476 | ('nbdatagram', '138'),
|
---|
477 | ('netbios-ssn', '139'),
|
---|
478 | ('nbsession', '139'),
|
---|
479 | ('imap', '143'),
|
---|
480 | ('imap4', '143'),
|
---|
481 | ('pcmail-srv', '158'),
|
---|
482 | ('snmp', '161'),
|
---|
483 | ('snmptrap', '162'),
|
---|
484 | ('snmp-trap', '162'),
|
---|
485 | ('print-srv', '170'),
|
---|
486 | ('bgp', '179'),
|
---|
487 | ('irc', '194'),
|
---|
488 | ('ipx', '213'),
|
---|
489 | ('ldap', '389'),
|
---|
490 | ('https', '443'),
|
---|
491 | ('mcom', '443'),
|
---|
492 | ('microsoft-ds', '445'),
|
---|
493 | ('kpasswd', '464'),
|
---|
494 | ('isakmp', '500'),
|
---|
495 | ('ike', '500'),
|
---|
496 | ('exec', '512'),
|
---|
497 | ('biff', '512'),
|
---|
498 | ('comsat', '512'),
|
---|
499 | ('login', '513'),
|
---|
500 | ('who', '513'),
|
---|
501 | ('whod', '513'),
|
---|
502 | ('cmd', '514'),
|
---|
503 | ('shell', '514'),
|
---|
504 | ('syslog', '514'),
|
---|
505 | ('printer', '515'),
|
---|
506 | ('spooler', '515'),
|
---|
507 | ('talk', '517'),
|
---|
508 | ('ntalk', '517'),
|
---|
509 | ('efs', '520'),
|
---|
510 | ('router', '520'),
|
---|
511 | ('route', '520'),
|
---|
512 | ('routed', '520'),
|
---|
513 | ('timed', '525'),
|
---|
514 | ('timeserver', '525'),
|
---|
515 | ('tempo', '526'),
|
---|
516 | ('newdate', '526'),
|
---|
517 | ('courier', '530'),
|
---|
518 | ('rpc', '530'),
|
---|
519 | ('conference', '531'),
|
---|
520 | ('chat', '531'),
|
---|
521 | ('netnews', '532'),
|
---|
522 | ('readnews', '532'),
|
---|
523 | ('netwall', '533'),
|
---|
524 | ('uucp', '540'),
|
---|
525 | ('uucpd', '540'),
|
---|
526 | ('klogin', '543'),
|
---|
527 | ('kshell', '544'),
|
---|
528 | ('krcmd', '544'),
|
---|
529 | ('new-rwho', '550'),
|
---|
530 | ('new-who', '550'),
|
---|
531 | ('remotefs', '556'),
|
---|
532 | ('rfs', '556'),
|
---|
533 | ('rfs_server', '556'),
|
---|
534 | ('rmonitor', '560'),
|
---|
535 | ('rmonitord', '560'),
|
---|
536 | ('monitor', '561'),
|
---|
537 | ('ldaps', '636'),
|
---|
538 | ('sldap', '636'),
|
---|
539 | ('doom', '666'),
|
---|
540 | ('kerberos-adm', '749'),
|
---|
541 | ('kerberos-iv', '750'),
|
---|
542 | ('kpop', '1109'),
|
---|
543 | ('phone', '1167'),
|
---|
544 | ('ms-sql-s', '1433'),
|
---|
545 | ('ms-sql-m', '1434'),
|
---|
546 | ('wins', '1512'),
|
---|
547 | ('ingreslock', '1524'),
|
---|
548 | ('ingres', '1524'),
|
---|
549 | ('l2tp', '1701'),
|
---|
550 | ('pptp', '1723'),
|
---|
551 | ('radius', '1812'),
|
---|
552 | ('radacct', '1813'),
|
---|
553 | ('nfsd', '2049'),
|
---|
554 | ('nfs', '2049'),
|
---|
555 | ('knetd', '2053'),
|
---|
556 | ('gds_db', '3050'),
|
---|
557 | ('man', '9535')
|
---|
558 | );
|
---|
559 |
|
---|
560 | {function IN6_IS_ADDR_UNSPECIFIED(const a: PInAddr6): boolean;
|
---|
561 | begin
|
---|
562 | Result := ((a^.s_un_dw.s_dw1 = 0) and (a^.s_un_dw.s_dw2 = 0) and
|
---|
563 | (a^.s_un_dw.s_dw3 = 0) and (a^.s_un_dw.s_dw4 = 0));
|
---|
564 | end;
|
---|
565 |
|
---|
566 | function IN6_IS_ADDR_LOOPBACK(const a: PInAddr6): boolean;
|
---|
567 | begin
|
---|
568 | Result := ((a^.s_un_dw.s_dw1 = 0) and (a^.s_un_dw.s_dw2 = 0) and
|
---|
569 | (a^.s_un_dw.s_dw3 = 0) and
|
---|
570 | (a^.s_un_b.s_b13 = char(0)) and (a^.s_un_b.s_b14 = char(0)) and
|
---|
571 | (a^.s_un_b.s_b15 = char(0)) and (a^.s_un_b.s_b16 = char(1)));
|
---|
572 | end;
|
---|
573 |
|
---|
574 | function IN6_IS_ADDR_LINKLOCAL(const a: PInAddr6): boolean;
|
---|
575 | begin
|
---|
576 | Result := ((a^.s_un_b.s_b1 = u_char($FE)) and (a^.s_un_b.s_b2 = u_char($80)));
|
---|
577 | end;
|
---|
578 |
|
---|
579 | function IN6_IS_ADDR_SITELOCAL(const a: PInAddr6): boolean;
|
---|
580 | begin
|
---|
581 | Result := ((a^.s_un_b.s_b1 = u_char($FE)) and (a^.s_un_b.s_b2 = u_char($C0)));
|
---|
582 | end;
|
---|
583 |
|
---|
584 | function IN6_IS_ADDR_MULTICAST(const a: PInAddr6): boolean;
|
---|
585 | begin
|
---|
586 | Result := (a^.s_un_b.s_b1 = char($FF));
|
---|
587 | end;
|
---|
588 |
|
---|
589 | function IN6_ADDR_EQUAL(const a: PInAddr6; const b: PInAddr6): boolean;
|
---|
590 | begin
|
---|
591 | Result := (CompareMem( a, b, sizeof(TInAddr6)));
|
---|
592 | end;
|
---|
593 |
|
---|
594 | procedure SET_IN6_IF_ADDR_ANY (const a: PInAddr6);
|
---|
595 | begin
|
---|
596 | FillChar(a^, sizeof(TInAddr6), 0);
|
---|
597 | end;
|
---|
598 |
|
---|
599 | procedure SET_LOOPBACK_ADDR6 (const a: PInAddr6);
|
---|
600 | begin
|
---|
601 | FillChar(a^, sizeof(TInAddr6), 0);
|
---|
602 | a^.s_un_b.s_b16 := char(1);
|
---|
603 | end;
|
---|
604 | }
|
---|
605 |
|
---|
606 | {=============================================================================}
|
---|
607 |
|
---|
608 | procedure NullErr;
|
---|
609 | begin
|
---|
610 | WSALastError := 0;
|
---|
611 | WSALastErrorDesc := '';
|
---|
612 | end;
|
---|
613 |
|
---|
614 | procedure GetErrCode(E: System.Exception);
|
---|
615 | var
|
---|
616 | SE: System.Net.Sockets.SocketException;
|
---|
617 | begin
|
---|
618 | if E is System.Net.Sockets.SocketException then
|
---|
619 | begin
|
---|
620 | SE := E as System.Net.Sockets.SocketException;
|
---|
621 | WSALastError := SE.ErrorCode;
|
---|
622 | WSALastErrorDesc := SE.Message;
|
---|
623 | end
|
---|
624 | end;
|
---|
625 |
|
---|
626 | function WSAStartup(wVersionRequired: Word; var WSData: TWSAData): Integer;
|
---|
627 | begin
|
---|
628 | NullErr;
|
---|
629 | with WSData do
|
---|
630 | begin
|
---|
631 | wVersion := wVersionRequired;
|
---|
632 | wHighVersion := $202;
|
---|
633 | szDescription := 'Synsock - Synapse Platform Independent Socket Layer';
|
---|
634 | szSystemStatus := 'Running on .NET';
|
---|
635 | iMaxSockets := 32768;
|
---|
636 | iMaxUdpDg := 8192;
|
---|
637 | end;
|
---|
638 | Result := 0;
|
---|
639 | end;
|
---|
640 |
|
---|
641 | function WSACleanup: Integer;
|
---|
642 | begin
|
---|
643 | NullErr;
|
---|
644 | Result := 0;
|
---|
645 | end;
|
---|
646 |
|
---|
647 | function WSAGetLastError: Integer;
|
---|
648 | begin
|
---|
649 | Result := WSALastError;
|
---|
650 | end;
|
---|
651 |
|
---|
652 | function WSAGetLastErrorDesc: String;
|
---|
653 | begin
|
---|
654 | Result := WSALastErrorDesc;
|
---|
655 | end;
|
---|
656 |
|
---|
657 | function GetHostName: string;
|
---|
658 | begin
|
---|
659 | Result := System.Net.DNS.GetHostName;
|
---|
660 | end;
|
---|
661 |
|
---|
662 | function Shutdown(s: TSocket; how: Integer): Integer;
|
---|
663 | begin
|
---|
664 | Result := 0;
|
---|
665 | NullErr;
|
---|
666 | try
|
---|
667 | s.ShutDown(SocketShutdown(how));
|
---|
668 | except
|
---|
669 | on e: System.Net.Sockets.SocketException do
|
---|
670 | begin
|
---|
671 | GetErrCode(e);
|
---|
672 | Result := integer(SOCKET_ERROR);
|
---|
673 | end;
|
---|
674 | end;
|
---|
675 | end;
|
---|
676 |
|
---|
677 | function SetSockOpt(s: TSocket; level, optname: Integer; optval: Tmemory;
|
---|
678 | optlen: Integer): Integer;
|
---|
679 | begin
|
---|
680 | Result := 0;
|
---|
681 | NullErr;
|
---|
682 | try
|
---|
683 | s.SetSocketOption(SocketOptionLevel(level), SocketOptionName(optname), optval);
|
---|
684 | except
|
---|
685 | on e: System.Net.Sockets.SocketException do
|
---|
686 | begin
|
---|
687 | GetErrCode(e);
|
---|
688 | Result := integer(SOCKET_ERROR);
|
---|
689 | end;
|
---|
690 | end;
|
---|
691 | end;
|
---|
692 |
|
---|
693 | function SetSockOptObj(s: TSocket; level, optname: Integer; optval: TObject): Integer;
|
---|
694 | begin
|
---|
695 | Result := 0;
|
---|
696 | NullErr;
|
---|
697 | try
|
---|
698 | s.SetSocketOption(SocketOptionLevel(level), SocketOptionName(optname), optval);
|
---|
699 | except
|
---|
700 | on e: System.Net.Sockets.SocketException do
|
---|
701 | begin
|
---|
702 | GetErrCode(e);
|
---|
703 | Result := integer(SOCKET_ERROR);
|
---|
704 | end;
|
---|
705 | end;
|
---|
706 | end;
|
---|
707 |
|
---|
708 | function GetSockOpt(s: TSocket; level, optname: Integer; optval: Tmemory;
|
---|
709 | var optlen: Integer): Integer;
|
---|
710 | begin
|
---|
711 | Result := 0;
|
---|
712 | NullErr;
|
---|
713 | try
|
---|
714 | s.GetSocketOption(SocketOptionLevel(level), SocketOptionName(optname), optval);
|
---|
715 | except
|
---|
716 | on e: System.Net.Sockets.SocketException do
|
---|
717 | begin
|
---|
718 | GetErrCode(e);
|
---|
719 | Result := integer(SOCKET_ERROR);
|
---|
720 | end;
|
---|
721 | end;
|
---|
722 | end;
|
---|
723 |
|
---|
724 | function SendTo(s: TSocket; Buf: TMemory; len, flags: Integer; addrto: TVarSin): Integer;
|
---|
725 | //function SendTo(s: TSocket; const Buf; len, flags: Integer; addrto: TVarSin): Integer;
|
---|
726 | begin
|
---|
727 | NullErr;
|
---|
728 | try
|
---|
729 | result := s.SendTo(Buf, len, SocketFlags(flags), addrto);
|
---|
730 | except
|
---|
731 | on e: System.Net.Sockets.SocketException do
|
---|
732 | begin
|
---|
733 | GetErrCode(e);
|
---|
734 | Result := integer(SOCKET_ERROR);
|
---|
735 | end;
|
---|
736 | end;
|
---|
737 | end;
|
---|
738 |
|
---|
739 | function Send(s: TSocket; Buf: TMemory; len, flags: Integer): Integer;
|
---|
740 | //function Send(s: TSocket; const Buf; len, flags: Integer): Integer;
|
---|
741 | begin
|
---|
742 | NullErr;
|
---|
743 | try
|
---|
744 | result := s.Send(Buf, len, SocketFlags(flags));
|
---|
745 | except
|
---|
746 | on e: System.Net.Sockets.SocketException do
|
---|
747 | begin
|
---|
748 | GetErrCode(e);
|
---|
749 | Result := integer(SOCKET_ERROR);
|
---|
750 | end;
|
---|
751 | end;
|
---|
752 | end;
|
---|
753 |
|
---|
754 | function Recv(s: TSocket; Buf: TMemory; len, flags: Integer): Integer;
|
---|
755 | //function Recv(s: TSocket; var Buf; len, flags: Integer): Integer;
|
---|
756 | begin
|
---|
757 | NullErr;
|
---|
758 | try
|
---|
759 | result := s.Receive(Buf, len, SocketFlags(flags));
|
---|
760 | except
|
---|
761 | on e: System.Net.Sockets.SocketException do
|
---|
762 | begin
|
---|
763 | GetErrCode(e);
|
---|
764 | Result := integer(SOCKET_ERROR);
|
---|
765 | end;
|
---|
766 | end;
|
---|
767 | end;
|
---|
768 |
|
---|
769 | //function RecvFrom(s: TSocket; var Buf; len, flags: Integer; from: PSockAddr;
|
---|
770 | // var fromlen: Integer): Integer;
|
---|
771 | function RecvFrom(s: TSocket; Buf: TMemory; len, flags: Integer; var from: TVarSin): Integer;
|
---|
772 | //function RecvFrom(s: TSocket; var Buf; len, flags: Integer; from: TVarSin): Integer;
|
---|
773 | var
|
---|
774 | EP: EndPoint;
|
---|
775 | begin
|
---|
776 | NullErr;
|
---|
777 | try
|
---|
778 | EP := from;
|
---|
779 | result := s.ReceiveFrom(Buf, len, SocketFlags(flags), EndPoint(EP));
|
---|
780 | from := EP as IPEndPoint;
|
---|
781 | except
|
---|
782 | on e: System.Net.Sockets.SocketException do
|
---|
783 | begin
|
---|
784 | GetErrCode(e);
|
---|
785 | Result := integer(SOCKET_ERROR);
|
---|
786 | end;
|
---|
787 | end;
|
---|
788 | end;
|
---|
789 |
|
---|
790 | function ntohs(netshort: u_short): u_short;
|
---|
791 | begin
|
---|
792 | Result := IPAddress.NetworkToHostOrder(NetShort);
|
---|
793 | end;
|
---|
794 |
|
---|
795 | function ntohl(netlong: u_long): u_long;
|
---|
796 | begin
|
---|
797 | Result := IPAddress.NetworkToHostOrder(NetLong);
|
---|
798 | end;
|
---|
799 |
|
---|
800 | function Listen(s: TSocket; backlog: Integer): Integer;
|
---|
801 | begin
|
---|
802 | Result := 0;
|
---|
803 | NullErr;
|
---|
804 | try
|
---|
805 | s.Listen(backlog);
|
---|
806 | except
|
---|
807 | on e: System.Net.Sockets.SocketException do
|
---|
808 | begin
|
---|
809 | GetErrCode(e);
|
---|
810 | Result := integer(SOCKET_ERROR);
|
---|
811 | end;
|
---|
812 | end;
|
---|
813 | end;
|
---|
814 |
|
---|
815 | function IoctlSocket(s: TSocket; cmd: DWORD; var arg: integer): Integer;
|
---|
816 | var
|
---|
817 | inv, outv: TMemory;
|
---|
818 | begin
|
---|
819 | Result := 0;
|
---|
820 | NullErr;
|
---|
821 | try
|
---|
822 | if cmd = DWORD(FIONBIO) then
|
---|
823 | s.Blocking := arg = 0
|
---|
824 | else
|
---|
825 | begin
|
---|
826 | inv := BitConverter.GetBytes(arg);
|
---|
827 | outv := BitConverter.GetBytes(integer(0));
|
---|
828 | s.IOControl(cmd, inv, outv);
|
---|
829 | arg := BitConverter.ToInt32(outv, 0);
|
---|
830 | end;
|
---|
831 | except
|
---|
832 | on e: System.Net.Sockets.SocketException do
|
---|
833 | begin
|
---|
834 | GetErrCode(e);
|
---|
835 | Result := integer(SOCKET_ERROR);
|
---|
836 | end;
|
---|
837 | end;
|
---|
838 | end;
|
---|
839 |
|
---|
840 | function htons(hostshort: u_short): u_short;
|
---|
841 | begin
|
---|
842 | Result := IPAddress.HostToNetworkOrder(Hostshort);
|
---|
843 | end;
|
---|
844 |
|
---|
845 | function htonl(hostlong: u_long): u_long;
|
---|
846 | begin
|
---|
847 | Result := IPAddress.HostToNetworkOrder(HostLong);
|
---|
848 | end;
|
---|
849 |
|
---|
850 | //function GetSockName(s: TSocket; name: PSockAddr; var namelen: Integer): Integer;
|
---|
851 | function GetSockName(s: TSocket; var name: TVarSin): Integer;
|
---|
852 | begin
|
---|
853 | Result := 0;
|
---|
854 | NullErr;
|
---|
855 | try
|
---|
856 | Name := s.localEndPoint as IPEndpoint;
|
---|
857 | except
|
---|
858 | on e: System.Net.Sockets.SocketException do
|
---|
859 | begin
|
---|
860 | GetErrCode(e);
|
---|
861 | Result := integer(SOCKET_ERROR);
|
---|
862 | end;
|
---|
863 | end;
|
---|
864 | end;
|
---|
865 |
|
---|
866 | //function GetPeerName(s: TSocket; name: PSockAddr; var namelen: Integer): Integer;
|
---|
867 | function GetPeerName(s: TSocket; var name: TVarSin): Integer;
|
---|
868 | begin
|
---|
869 | Result := 0;
|
---|
870 | NullErr;
|
---|
871 | try
|
---|
872 | Name := s.RemoteEndPoint as IPEndpoint;
|
---|
873 | except
|
---|
874 | on e: System.Net.Sockets.SocketException do
|
---|
875 | begin
|
---|
876 | GetErrCode(e);
|
---|
877 | Result := integer(SOCKET_ERROR);
|
---|
878 | end;
|
---|
879 | end;
|
---|
880 | end;
|
---|
881 |
|
---|
882 | //function Connect(s: TSocket; name: PSockAddr; namelen: Integer): Integer;
|
---|
883 | function Connect(s: TSocket; const name: TVarSin): Integer;
|
---|
884 | begin
|
---|
885 | Result := 0;
|
---|
886 | NullErr;
|
---|
887 | try
|
---|
888 | s.Connect(name);
|
---|
889 | except
|
---|
890 | on e: System.Net.Sockets.SocketException do
|
---|
891 | begin
|
---|
892 | GetErrCode(e);
|
---|
893 | Result := integer(SOCKET_ERROR);
|
---|
894 | end;
|
---|
895 | end;
|
---|
896 | end;
|
---|
897 |
|
---|
898 | function CloseSocket(s: TSocket): Integer;
|
---|
899 | begin
|
---|
900 | Result := 0;
|
---|
901 | NullErr;
|
---|
902 | try
|
---|
903 | s.Close;
|
---|
904 | except
|
---|
905 | on e: System.Net.Sockets.SocketException do
|
---|
906 | begin
|
---|
907 | Result := integer(SOCKET_ERROR);
|
---|
908 | end;
|
---|
909 | end;
|
---|
910 | end;
|
---|
911 |
|
---|
912 | //function Bind(s: TSocket; addr: PSockAddr; namelen: Integer): Integer;
|
---|
913 | function Bind(s: TSocket; const addr: TVarSin): Integer;
|
---|
914 | begin
|
---|
915 | Result := 0;
|
---|
916 | NullErr;
|
---|
917 | try
|
---|
918 | s.Bind(addr);
|
---|
919 | except
|
---|
920 | on e: System.Net.Sockets.SocketException do
|
---|
921 | begin
|
---|
922 | GetErrCode(e);
|
---|
923 | Result := integer(SOCKET_ERROR);
|
---|
924 | end;
|
---|
925 | end;
|
---|
926 | end;
|
---|
927 |
|
---|
928 | //function Accept(s: TSocket; addr: PSockAddr; var addrlen: Integer): TSocket;
|
---|
929 | function Accept(s: TSocket; var addr: TVarSin): TSocket;
|
---|
930 | begin
|
---|
931 | NullErr;
|
---|
932 | try
|
---|
933 | result := s.Accept();
|
---|
934 | except
|
---|
935 | on e: System.Net.Sockets.SocketException do
|
---|
936 | begin
|
---|
937 | GetErrCode(e);
|
---|
938 | Result := nil;
|
---|
939 | end;
|
---|
940 | end;
|
---|
941 | end;
|
---|
942 |
|
---|
943 | function Socket(af, Struc, Protocol: Integer): TSocket;
|
---|
944 | begin
|
---|
945 | NullErr;
|
---|
946 | try
|
---|
947 | result := TSocket.Create(AddressFamily(af), SocketType(Struc), ProtocolType(Protocol));
|
---|
948 | except
|
---|
949 | on e: System.Net.Sockets.SocketException do
|
---|
950 | begin
|
---|
951 | GetErrCode(e);
|
---|
952 | Result := nil;
|
---|
953 | end;
|
---|
954 | end;
|
---|
955 | end;
|
---|
956 |
|
---|
957 | {=============================================================================}
|
---|
958 | function GetPortService(value: string): integer;
|
---|
959 | var
|
---|
960 | n: integer;
|
---|
961 | begin
|
---|
962 | Result := 0;
|
---|
963 | value := Lowercase(value);
|
---|
964 | for n := 0 to High(Services) do
|
---|
965 | if services[n, 0] = value then
|
---|
966 | begin
|
---|
967 | Result := strtointdef(services[n, 1], 0);
|
---|
968 | break;
|
---|
969 | end;
|
---|
970 | if Result = 0 then
|
---|
971 | Result := StrToIntDef(value, 0);
|
---|
972 | end;
|
---|
973 |
|
---|
974 | {=============================================================================}
|
---|
975 | function IsNewApi(Family: TAddrFamily): Boolean;
|
---|
976 | begin
|
---|
977 | Result := true;
|
---|
978 | end;
|
---|
979 |
|
---|
980 | function SetVarSin(var Sin: TVarSin; IP, Port: string; Family: TAddrFamily; SockProtocol, SockType: integer; PreferIP4: Boolean): integer;
|
---|
981 | var
|
---|
982 | IPs: array of IPAddress;
|
---|
983 | n: integer;
|
---|
984 | ip4, ip6: string;
|
---|
985 | sip: string;
|
---|
986 | begin
|
---|
987 | sip := '';
|
---|
988 | ip4 := '';
|
---|
989 | ip6 := '';
|
---|
990 | IPs := Dns.Resolve(IP).AddressList;
|
---|
991 | for n :=low(IPs) to high(IPs) do begin
|
---|
992 | if (ip4 = '') and (IPs[n].AddressFamily = AF_INET) then
|
---|
993 | ip4 := IPs[n].toString;
|
---|
994 | if (ip6 = '') and (IPs[n].AddressFamily = AF_INET6) then
|
---|
995 | ip6 := IPs[n].toString;
|
---|
996 | if (ip4 <> '') and (ip6 <> '') then
|
---|
997 | break;
|
---|
998 | end;
|
---|
999 | case Family of
|
---|
1000 | AF_UNSPEC:
|
---|
1001 | begin
|
---|
1002 | if (ip4 <> '') and (ip6 <> '') then
|
---|
1003 | begin
|
---|
1004 | if PreferIP4 then
|
---|
1005 | sip := ip4
|
---|
1006 | else
|
---|
1007 | Sip := ip6;
|
---|
1008 | end
|
---|
1009 | else
|
---|
1010 | begin
|
---|
1011 | sip := ip4;
|
---|
1012 | if (ip6 <> '') then
|
---|
1013 | sip := ip6;
|
---|
1014 | end;
|
---|
1015 | end;
|
---|
1016 | AF_INET:
|
---|
1017 | sip := ip4;
|
---|
1018 | AF_INET6:
|
---|
1019 | sip := ip6;
|
---|
1020 | end;
|
---|
1021 | sin := TVarSin.Create(IPAddress.Parse(sip), GetPortService(Port));
|
---|
1022 | end;
|
---|
1023 |
|
---|
1024 | function GetSinIP(Sin: TVarSin): string;
|
---|
1025 | begin
|
---|
1026 | Result := Sin.Address.ToString;
|
---|
1027 | end;
|
---|
1028 |
|
---|
1029 | function GetSinPort(Sin: TVarSin): Integer;
|
---|
1030 | begin
|
---|
1031 | Result := Sin.Port;
|
---|
1032 | end;
|
---|
1033 |
|
---|
1034 | procedure ResolveNameToIP(Name: string; Family: TAddrFamily; SockProtocol, SockType: integer; const IPList: TStrings);
|
---|
1035 | var
|
---|
1036 | IPs :array of IPAddress;
|
---|
1037 | n: integer;
|
---|
1038 | begin
|
---|
1039 | IPList.Clear;
|
---|
1040 | IPs := Dns.Resolve(Name).AddressList;
|
---|
1041 | for n := low(IPs) to high(IPs) do
|
---|
1042 | begin
|
---|
1043 | if not(((Family = AF_INET6) and (IPs[n].AddressFamily = AF_INET))
|
---|
1044 | or ((Family = AF_INET) and (IPs[n].AddressFamily = AF_INET6))) then
|
---|
1045 | begin
|
---|
1046 | IPList.Add(IPs[n].toString);
|
---|
1047 | end;
|
---|
1048 | end;
|
---|
1049 | end;
|
---|
1050 |
|
---|
1051 | function ResolvePort(Port: string; Family: TAddrFamily; SockProtocol, SockType: integer): Word;
|
---|
1052 | var
|
---|
1053 | n: integer;
|
---|
1054 | begin
|
---|
1055 | Result := StrToIntDef(port, 0);
|
---|
1056 | if Result = 0 then
|
---|
1057 | begin
|
---|
1058 | port := Lowercase(port);
|
---|
1059 | for n := 0 to High(Services) do
|
---|
1060 | if services[n, 0] = port then
|
---|
1061 | begin
|
---|
1062 | Result := strtointdef(services[n, 1], 0);
|
---|
1063 | break;
|
---|
1064 | end;
|
---|
1065 | end;
|
---|
1066 | end;
|
---|
1067 |
|
---|
1068 | function ResolveIPToName(IP: string; Family: TAddrFamily; SockProtocol, SockType: integer): string;
|
---|
1069 | begin
|
---|
1070 | Result := Dns.GetHostByAddress(IP).HostName;
|
---|
1071 | end;
|
---|
1072 |
|
---|
1073 |
|
---|
1074 | {=============================================================================}
|
---|
1075 | function InitSocketInterface(stack: string): Boolean;
|
---|
1076 | begin
|
---|
1077 | Result := True;
|
---|
1078 | end;
|
---|
1079 |
|
---|
1080 | function DestroySocketInterface: Boolean;
|
---|
1081 | begin
|
---|
1082 | NullErr;
|
---|
1083 | Result := True;
|
---|
1084 | end;
|
---|
1085 |
|
---|
1086 | initialization
|
---|
1087 | begin
|
---|
1088 | SynSockCS := SyncObjs.TCriticalSection.Create;
|
---|
1089 | // SET_IN6_IF_ADDR_ANY (@in6addr_any);
|
---|
1090 | // SET_LOOPBACK_ADDR6 (@in6addr_loopback);
|
---|
1091 | end;
|
---|
1092 |
|
---|
1093 | finalization
|
---|
1094 | begin
|
---|
1095 | NullErr;
|
---|
1096 | SynSockCS.Free;
|
---|
1097 | end;
|
---|
1098 |
|
---|
1099 | {$ENDIF}
|
---|