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/*
* Copyright (C) 1999 Jonathan R. Hudson
* Developed by Jonathan R. Hudson <jonathan@daria.co.uk>
*
* This library is free software; you can redistribute it and/or
* modify it under the terms of the GNU Library General Public
* License as published by the Free Software Foundation; either
* version 2 of the License, or (at your option) any later version.
*
* This library 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. See the GNU
* Library General Public License for more details.
*
* You should have received a copy of the GNU Library General Public
* License along with this library; if not, write to the Free Software
* Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA
* 02111-1307, USA.
*/
#include <stdlib.h>
#include <sys/socket.h>
#include <sys/un.h>
#include <netinet/in.h>
#include <netdb.h>
#include <arpa/inet.h>
class Socket
{
private:
int fd;
int slen;
int domain;
int type;
bool slave;
struct sockaddr *name;
public:
Socket(int f)
{
}
Socket(char *typnam, char *fnam)
{
slave = 0;
name = NULL;
domain = (strchr(fnam, ':')) ? AF_INET : AF_UNIX;
type = strcmp (typnam,"tcp") ? SOCK_DGRAM : SOCK_STREAM;
if((fd = socket(domain, type, 0)) != -1)
{
if(domain == AF_UNIX)
{
name = (struct sockaddr*) new struct sockaddr_un;
((struct sockaddr_un*)name)->sun_family=AF_UNIX;
strcpy (((struct sockaddr_un*)name)->sun_path, fnam);
slen = SUN_LEN(((struct sockaddr_un*)name));
}
else
{
char *p;
if((p = strchr(fnam, ':')))
{
short port;
char hnam[256];
struct hostent *h;
port = (short) strtol(p+1, 0, 10);
if(p == fnam)
{
gethostname(hnam, sizeof (hnam));
}
else
{
int n;
n = p-fnam;
strncpy(hnam, fnam, n);
*(hnam+n) = 0;
}
if ((h = gethostbyname (hnam)) != NULL)
{
if(port == 0)
{
struct servent *s;
s = getservbyname(p+1, typnam);
if(s)
{
port = ntohs(s->s_port);
}
}
name = (struct sockaddr*) new struct sockaddr_in;
((struct sockaddr_in*)name)->sin_family =
h->h_addrtype;
((struct sockaddr_in*)name)->sin_port = htons(port);
((struct sockaddr_in*)name)->sin_addr =
*((struct in_addr *) h->h_addr);
slen = sizeof(struct sockaddr_in);
}
else
{
close(fd);
fd = -1;
}
}
}
}
}
int Connect()
{
int res = connect (fd, name, slen);
if(res == 0) slave = 1;
return res;
}
int RecvFrom(char *buf, int len, int flags, struct sockaddr *addr = 0,
socklen_t *fromlen = 0)
{
if(addr && fromlen)
{
*fromlen = sizeof(struct sockaddr);
}
return recvfrom(fd, buf, len, flags, addr, fromlen);
}
int Recv(char *buf, int len, int flags=0)
{
return RecvFrom (buf, len, flags);
}
int SendTo(char *buf, int len, int flags, struct sockaddr *addr = 0,
socklen_t tolen = 0)
{
if(addr)
{
if(domain == AF_UNIX)
{
tolen = SUN_LEN(((struct sockaddr_un*)name));
}
else
{
tolen = sizeof(struct sockaddr_in);
}
}
else tolen = 0;
return sendto (fd, buf, len, flags, addr, tolen);
}
int Send(char *buf, int len, int flags=0)
{
return SendTo(buf, len, flags);
}
void Close()
{
close(fd);
fd = -1;
if(!slave && domain == AF_UNIX)
{
unlink(((struct sockaddr_un*)name)->sun_path);
}
}
~Socket()
{
if(fd != -1)
Close();
delete name;
}
inline bool isslave(void) { return slave;}
inline int getfd (void) { return fd; }
};
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