1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
195
196
197
198
199
200
201
202
|
{
This file is part of the Free Pascal run time library.
(c) 2000-2003 by Marco van de Voort
member of the Free Pascal development team.
See the file COPYING.FPC, included in this distribution,
for details about the copyright.
socket call implementations for FreeBSD
This program is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY;without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.
}
{******************************************************************************
Basic Socket Functions
******************************************************************************}
Function socket(Domain,SocketType,Protocol:Longint):Longint;
begin
Socket:=fpsocket(domain,sockettype,protocol);
end;
Function Send(Sock:Longint;Const Buf;BufLen,Flags:Longint):Longint;
begin
Send:=fpsend(sock,@buf,buflen,flags);
end;
Function SendTo(Sock:Longint;Const Buf;BufLen,Flags:Longint;Var Addr; AddrLen : Longint):Longint;
begin
Sendto:=fpsendto(sock,@buf,buflen,flags,@addr,addrlen);
end;
Function Recv(Sock:Longint;Var Buf;BufLen,Flags:Longint):Longint;
begin
Recv:=fprecv(sock,@buf,buflen,flags);
end;
Function RecvFrom(Sock : Longint; Var Buf; Buflen,Flags : Longint; Var Addr ; var AddrLen :longint) : longint;
begin
RecvFrom:=fprecvfrom(Sock,@buf,buflen,flags,@Addr,@AddrLen);
end;
Function Bind(Sock:Longint;Const Addr;AddrLen:Longint):Boolean;
begin
Bind:=fpbind(Sock,@Addr,AddrLen)=0;
end;
Function Listen(Sock,MaxConnect:Longint):Boolean;
begin
Listen:=fplisten(sock,maxconnect)=0;
end;
Function Accept(Sock:Longint;Var Addr;Var Addrlen:Longint):Longint;
begin
Accept:=fpaccept(sock,@addr,@addrlen);
end;
Function Connect(Sock:Longint;Const Addr;Addrlen:Longint): boolean;
begin
Connect:=fpConnect(sock,@addr,addrlen)=0;
end;
Function Shutdown(Sock:Longint;How:Longint):Longint;
begin
ShutDown:=fpshutdown(sock,how);
end;
Function GetSocketName(Sock:Longint;Var Addr;Var Addrlen:Longint):Longint;
begin
GetSocketName:=fpgetsockname(sock,@addr,@addrlen);
end;
Function GetPeerName(Sock:Longint;Var Addr;Var Addrlen:Longint):Longint;
begin
GetPeerName:=fpgetPeerName(sock,@addr,@addrlen);
end;
Function SetSocketOptions(Sock,Level,OptName:Longint;const OptVal;optlen:longint):Longint;
begin
SetSocketOptions:=fpsetsockopt(Sock,Level,OptName,pointer(@OptVal),optlen);
end;
Function GetSocketOptions(Sock,Level,OptName:Longint;Var OptVal;Var optlen:longint):Longint;
begin
GetSocketOptions:=fpgetsockopt(Sock,Level,OptName,@OptVal,@OptLen);
end;
Function SocketPair(Domain,SocketType,Protocol:Longint;var Pair:TSockArray):Longint;
begin
SocketPair:=fpsocketpair(domain,sockettype,protocol,@pair);
end;
{******************************************************************************
UnixSock
******************************************************************************}
Procedure Str2UnixSockAddr(const addr:string;var t:TUnixSockAddr;var len:longint);
begin
Move(Addr[1],t.Path,length(Addr));
t.Family:=AF_UNIX;
t.Path[length(Addr)]:=#0;
Len:=Length(Addr)+3;
end;
Function Bind(Sock:longint;const addr:string):boolean;
var
UnixAddr : TUnixSockAddr;
AddrLen : longint;
begin
Str2UnixSockAddr(addr,UnixAddr,AddrLen);
Bind(Sock,UnixAddr,AddrLen);
Bind:=(SocketError=0);
end;
Function DoAccept(Sock:longint;var addr:string):longint;
var
UnixAddr : TUnixSockAddr;
AddrLen : longint;
begin
AddrLen:=length(addr)+3;
DoAccept:=Accept(Sock,UnixAddr,AddrLen);
Move(UnixAddr.Path,Addr[1],AddrLen);
SetLength(Addr,AddrLen);
end;
Function DoConnect(Sock:longint;const addr:string):Boolean;
var
UnixAddr : TUnixSockAddr;
AddrLen : longint;
begin
Str2UnixSockAddr(addr,UnixAddr,AddrLen);
DoConnect:=Connect(Sock,UnixAddr,AddrLen);
end;
Function Accept(Sock:longint;var addr:string;var SockIn,SockOut:text):Boolean;
var
s : longint;
begin
S:=DoAccept(Sock,addr);
if S>0 then
begin
Sock2Text(S,SockIn,SockOut);
Accept:=true;
end
else
Accept:=false;
end;
Function Accept(Sock:longint;var addr:string;var SockIn,SockOut:File):Boolean;
var
s : longint;
begin
S:=DoAccept(Sock,addr);
if S>0 then
begin
Sock2File(S,SockIn,SockOut);
Accept:=true;
end
else
Accept:=false;
end;
Function Connect(Sock:longint;const addr:string;var SockIn,SockOut:text):Boolean;
begin
Connect:=DoConnect(Sock,addr);
If Connect then
Sock2Text(Sock,SockIn,SockOut);
end;
Function Connect(Sock:longint;const addr:string;var SockIn,SockOut:file):Boolean;
begin
Connect:=DoConnect(Sock,addr);
if Connect then
Sock2File(Sock,SockIn,SockOut);
end;
Function CloseSocket (Sock:Longint):Longint;
begin
if fpclose(Sock)=0 then
CloseSocket := 0 else
CloseSocket := -1;
end;
|