第一天来 记录自己的学习笔记

 1 procedure connect_np_server();
 2 var
 3     addr: sockaddr_in;
 4     ver: WORD;
 5     dt: WSADATA;
 6 begin
 7     MAKEWORD(1, 1);
 8     WSAStartup(ver, dt);
 9     addr.sin_family := PF_INET;
10     addr.sin_addr.S_addr := inet_addr(Pchar(HSIP));
11     addr.sin_port := htons(7010);
12     sNp_server := socket(PF_INET, SOCK_STREAM, IPPROTO_TCP);
13     connect(sNp_server, addr, sizeof(addr));
14 end;
15 
16 
17 function OnNpKey(Addr : Pchar; nLen : Integer; OutAddr : Pchar) : Integer; Stdcall;
18 var
19     Len : Word;
20     NP : TNP;
21 begin
22     Result := 0;
23 
24     ZeroMemory(@NP, SizeOf(NP));
25     NP.Count := 1;
26 
27     Len := nLen;
28     Len := ntohs(Len);
29     NP.KKbuf[0] := $01;
30     NP.KKbuf[1] := $10;
31     CopyMemory(@NP.KKBuf[2], @Len, 2);
32     CopyMemory(@NP.KKbuf[4], @Addr[0], nLen);
33 
34     connect_np_server();
35     Send(sNp_server, NP, SizeOf(NP), 0);
36     ZeroMemory(@NP, SizeOf(NP));
37     Recv(sNp_server, NP, SizeOf(NP), 0);
38     CloseSocket(sNp_server);
39 
40     CopyMemory(@Len, @NP.KKBuf[0], 2);
41     Len := ntohs(Len);
42     
43     CopyMemory(@OutAddr[0], @NP.KKBuf[2], Len);
44     CopyMemory(@OutAddr[$190], @Len, 2);
45 end;