apps/webcl/net.c

   1 /*
   2  *  ZeX/OS
   3  *  Copyright (C) 2008  Tomas 'ZeXx86' Jedrzejek (zexx86@zexos.org)
   4  *  Copyright (C) 2009  Tomas 'ZeXx86' Jedrzejek (zexx86@zexos.org)
   5  *
   6  *  This program is free software: you can redistribute it and/or modify
   7  *  it under the terms of the GNU General Public License as published by
   8  *  the Free Software Foundation, either version 3 of the License, or
   9  *  (at your option) any later version.
  10  *
  11  *  This program is distributed in the hope that it will be useful,
  12  *  but WITHOUT ANY WARRANTY; without even the implied warranty of
  13  *  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  14  *  GNU General Public License for more details.
  15  *
  16  *  You should have received a copy of the GNU General Public License
  17  *  along with this program.  If not, see <http://www.gnu.org/licenses/>.
  18  */
  19
  20
  21 #include <fcntl.h>
  22 #include <netdb.h>
  23 #include <stdio.h>
  24 #include <string.h>
  25 #include <stdlib.h>
  26 #include <unistd.h>
  27 #include <arpa/inet.h>
  28 #include <netinet/in.h>
  29 #include <sys/socket.h>
  30
  31 #define         ESC     1
  32
  33 int sock;
  34
  35 static struct sockaddr_in serverSock;           // Remote socket
  36 static struct hostent *host;                    // Remote host
  37
  38 extern int http_request (char *address, unsigned address_len, char *dir, unsigned dir_len);
  39
  40 int init (char *address)
  41 {
  42         // Let's get info about remote computer
  43         if ((host = gethostbyname ((char *) address)) == NULL) {
  44                 //printf ("Wrong address -> %s:%d\n", addr, port);
  45                 printf ("Wrong address\n");
  46                 return 0;
  47         }
  48
  49         // Create socket
  50         if ((sock = socket (AF_INET, SOCK_STREAM, IPPROTO_TCP)) == -1) {
  51                 printf ("Cant create socket\n");
  52                 return 0;
  53         }
  54
  55         // Fill structure sockaddr_in
  56         // 1) Family of protocols
  57         serverSock.sin_family = AF_INET;
  58         // 2) Number of server port
  59         serverSock.sin_port = htons (80);
  60         // 3) Setup ip address of server, where we want to connect
  61         memcpy (&(serverSock.sin_addr), host->h_addr, host->h_length);
  62
  63         // Now we are able to connect to remote server
  64         if (connect (sock, (struct sockaddr *) &serverSock, sizeof (serverSock)) == -1) {
  65                 printf ("Connection cant be estabilished -> %s:%d\n", address, 80);
  66                 return -1;
  67         }
  68
  69         printf ("webcl -> connected to %s:80 server\n", address);
  70
  71         return http_request (address, strlen (address), "/", 1);
  72 }
  73
  74 int loop ()
  75 {
  76
  77         return 1;
  78 }