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/* Copyright (C) 1998, 1999 Cygnus Solutions
This file is part of libgcj.
This software is copyrighted work licensed under the terms of the
Libgcj License. Please consult the file "LIBGCJ_LICENSE" for
details. */
#include <config.h>
#include <sys/types.h>
#include <sys/socket.h>
#include <netinet/in.h>
#include <errno.h>
#include <stdio.h>
#include <string.h>
#include <cni.h>
#include <java/io/IOException.h>
#include <java/io/FileDescriptor.h>
#include <java/net/PlainSocketImpl.h>
#include <java/net/InetAddress.h>
#ifndef HAVE_SOCKLEN_T
typedef int socklen_t;
#endif
union SockAddr
{
struct sockaddr_in address;
#ifdef HAVE_INET6
struct sockaddr_in6 address6;
#endif
};
void
java::net::PlainSocketImpl::create (jboolean stream)
{
int sock = ::socket (AF_INET, stream ? SOCK_STREAM : SOCK_DGRAM, 0);
if (sock < 0)
{
char msg[100];
char* strerr = strerror (errno);
sprintf (msg, "SocketImpl.create: %.*s", 80, strerr);
JvThrow (new java::io::IOException (JvNewStringUTF (msg)));
}
fnum = sock;
fd = new java::io::FileDescriptor (sock);
}
void
java::net::PlainSocketImpl::bind (java::net::InetAddress *host, jint lport)
{
union SockAddr u;
jbyteArray haddress = host->address;
jbyte *bytes = elements (haddress);
int len = haddress->length;
struct sockaddr *ptr = (struct sockaddr *) &u.address;
if (len == 4)
{
u.address.sin_family = AF_INET;
memcpy (&u.address.sin_addr, bytes, len);
len = sizeof (struct sockaddr_in);
u.address.sin_port = htons (lport);
}
#ifdef HAVE_INET6
else if (len == 16)
{
u.address6.sin6_family = AF_INET6;
memcpy (&u.address6.sin6_addr, bytes, len);
len = sizeof (struct sockaddr_in6);
u.address6.sin6_port = htons (lport);
}
#endif
else
goto error;
if (::bind (fnum, ptr, len) == 0)
{
address = host;
localport = lport;
return;
}
error:
char msg[100];
char* strerr = strerror (errno);
sprintf (msg, "SocketImpl.bind: %.*s", 80, strerr);
JvThrow (new java::io::IOException (JvNewStringUTF (msg)));
}
void
java::net::PlainSocketImpl::connect (java::net::InetAddress *host, jint rport)
{
union SockAddr u;
jbyteArray haddress = host->address;
jbyte *bytes = elements (haddress);
int len = haddress->length;
struct sockaddr *ptr = (struct sockaddr *) &u.address;
if (len == 4)
{
u.address.sin_family = AF_INET;
memcpy (&u.address.sin_addr, bytes, len);
len = sizeof (struct sockaddr_in);
u.address.sin_port = htons (rport);
}
#ifdef HAVE_INET6
else if (len == 16)
{
u.address6.sin6_family = AF_INET6;
memcpy (&u.address6.sin6_addr, bytes, len);
len = sizeof (struct sockaddr_in6);
u.address6.sin6_port = htons (rport);
}
#endif
else
goto error;
if (::connect (fnum, ptr, len) == 0)
{
address = host;
port = rport;
return;
}
error:
char msg[100];
char* strerr = strerror (errno);
sprintf (msg, "SocketImpl.connect: %.*s", 80, strerr);
JvThrow (new java::io::IOException (JvNewStringUTF (msg)));
}
void
java::net::PlainSocketImpl::listen (jint backlog)
{
if (::listen (fnum, backlog) != 0)
{
char msg[100];
char* strerr = strerror (errno);
sprintf (msg, "SocketImpl.listen: %.*s", 80, strerr);
JvThrow (new java::io::IOException (JvNewStringUTF (msg)));
}
}
void
java::net::PlainSocketImpl::accept (java::net::PlainSocketImpl *s)
{
union SockAddr u;
socklen_t addrlen = sizeof(u);
int new_socket = ::accept (fnum, (sockaddr*) &u, &addrlen);
if (new_socket < 0)
goto error;
jbyteArray raddr;
jint rport;
if (u.address.sin_family == AF_INET)
{
raddr = JvNewByteArray (4);
memcpy (elements (raddr), &u.address.sin_addr, 4);
rport = ntohs (u.address.sin_port);
}
#ifdef HAVE_INET6
{
raddr = JvNewByteArray (16);
memcpy (elements (raddr), &u.address6.sin6_addr, 16);
rport = ntohs (u.address6.sin6_port);
}
#endif
else
goto error;
s->fnum = new_socket;
s->localport = localport;
s->address = new InetAddress (raddr, NULL);
s->port = rport;
s->fd = new java::io::FileDescriptor (new_socket);
return;
error:
char msg[100];
char* strerr = strerror (errno);
sprintf (msg, "SocketImpl.accept: %.*s", 80, strerr);
JvThrow (new java::io::IOException (JvNewStringUTF (msg)));
}
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