(C) İndex İsteyen C Kodu (Socket Programlama)

14/Eyl/07 12:52 Kısayol Şikayet Özel Mesaj

ByCodeC

Kayıt Tarihi: 18/Ağustos/2007

yazdıgınız adresten index sayfasını isteyen C socket programlama örneğidir...

#include <windows.h>
#include <stdio.h>
#include <stdlib.h>
#include <string.h>

int socket_recv(SOCKET ss,char *buf);
int socket_send(SOCKET ss,char *buf);
SOCKET connect_socket(char *adres,unsigned int port,int *en);
int main(void)

{
WSADATA wsadata;
        SOCKET s1;
        int en;
        char buf[450];
        char adres[50];
        char cmd[100];
        unsigned int port = 80;

    WSAStartup(MAKEWORD(2,0),&wsadata);
//------------------------------------------------- baglantı saglamak
printf("adres :");
gets(adres);
strcpy(cmd,"GET http://");
strcat(cmd,adres);
strcat(cmd," HTTP/1.0\n\n");
printf("%s",cmd);

    s1 = connect_socket(adres,port,&en);
    if(en){
        printf("baglantI basarILI\n");
        socket_send(s1,cmd);
        socket_recv(s1,buf);
        puts(buf);
    }
    else {
        printf("baglantI basarIsIz\n");
    }
    WSACleanup();
    closesocket(s1);
system("pause");
    return 0;
}
int socket_recv(SOCKET ss,char *buf)
{
    memset(buf,'\0',500);
    if((recv(ss,buf,500,0)) ==-1){
        //puts("recv error \n");
        return 0;
    }
    else{
        return 1;
    }
}
int socket_send(SOCKET ss,char *buf)
{
    if((send(ss,buf,strlen(buf),0)) == -1){
        //puts("send error!\n");
        return 0;
    }
    else{
        return 1;
    }
}
SOCKET connect_socket(char *adres,unsigned int port,int *en)
{
    struct hostent *he;
    struct sockaddr_in their_addr;
    SOCKET sck;

    if((he = gethostbyname(adres)) == NULL){
        //puts("hostname error");
    }
    their_addr.sin_family = AF_INET;
    their_addr.sin_port = htons(port);
    their_addr.sin_addr = *((struct in_addr *)he->h_addr);
    memset(&(their_addr.sin_zero),'\0',8);
    if((sck = socket(AF_INET,SOCK_STREAM,0)) == -1){
          // puts("socket error");
    }
    if((connect(sck,(struct sockaddr *)&their_addr,sizeof(struct sockaddr))) == -1){
            *en = 0; //baglantı gerçekleştirilemedi
    }
    else{
            *en = 1; //basarılı;
    }
return sck;
}

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