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#include <stdio.h>
#include <stdlib.h>
#include <sys/socket.h>
#include <netinet/in.h>
#include <arpa/inet.h>
#include <netdb.h>
#include <string.h>
#include "socket.h"
int sock;
u_long
resolve_host (u_char * host)
{
long i;
struct hostent *he;
if ((i = inet_addr (host)) == -1)
{
if (!(he = gethostbyname (host)))
return 0;
else
return (*(u_long *) he->h_addr);
}
return (i);
}
int
make_socket (u_char * server, uint16_t port)
{
int sock;
struct sockaddr_in name;
name.sin_family = AF_INET;
name.sin_port = htons (port);
if (!(name.sin_addr.s_addr = resolve_host (server)))
return -1;
if ((sock = socket (PF_INET, SOCK_STREAM, 0)) < 0)
{
perror ("socket (socket.c:33)");
exit (EXIT_FAILURE);
}
if (connect (sock, (struct sockaddr *) &name, sizeof (name)) < 0)
{
perror ("connect (socket.c:39)");
exit (EXIT_FAILURE);
}
return sock;
}
int
connectJabber (char *server, int jabberport)
{
sock = make_socket (server, jabberport);
return sock;
}
int
senddata (char *buffer)
{
if ((send (sock, buffer, strlen (buffer), 0)) == -1)
return 0;
else
return 1;
}
char *
receivedata (void)
{
int i = 1;
int end = 0;
int tambuffer = 128;
char *buffer = malloc (tambuffer);
char *retval = malloc (tambuffer + 1);
char *aux;
memset (retval, 0, tambuffer);
memset (buffer, 0, tambuffer + 1);
while (!end)
{
recv (sock, buffer, tambuffer, 0);
if (i == 1)
strcpy (retval, buffer);
else
{
retval = realloc (retval, (tambuffer * i) + 1);
strncat (retval, buffer, tambuffer + 1);
}
i++;
aux = retval + strlen (retval) - 1;
if (*aux != '>')
end = 0;
else
end = 1;
memset (buffer, 0, tambuffer);
}
#ifdef DEBUG
{
FILE *fp = fopen ("/tmp/socket.log", "a+");
fprintf (fp, "--> %s\n", retval);
fclose (fp);
}
#endif
return retval;
}
int
check_io (int fd1, int fd2)
{
int n = 0, i;
fd_set fds;
int io_pending = 0;
i = fd1;
if (fd2 > fd1)
i = fd2;
FD_ZERO (&fds);
if (fd1 >= 0)
FD_SET (fd1, &fds);
else
fd1 = 0;
if (fd2 >= 0)
FD_SET (fd2, &fds);
else
fd2 = 0;
if (fd2 == 0 && io_pending)
n = 2;
else if (select (i + 1, &fds, NULL, NULL, NULL) > 0)
n = 1 * (FD_ISSET (fd1, &fds) > 0) + 2 * (FD_ISSET (fd2, &fds) > 0);
return (n);
}
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