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/******************************************************************************
* Copyright (c) 2004, 2008 IBM Corporation
* All rights reserved.
* This program and the accompanying materials
* are made available under the terms of the BSD License
* which accompanies this distribution, and is available at
* http://www.opensource.org/licenses/bsd-license.php
*
* Contributors:
* IBM Corporation - initial implementation
*****************************************************************************/
#include <stdint.h>
#include <stdarg.h>
#include <string.h>
#include <fileio.h>
#include <kernel.h>
#include <of.h>
#include <sys/socket.h>
extern int vsprintf(char *, const char *, va_list);
extern void _exit(int status);
void exit(int status);
int open(const char* name, int flags)
{
int fd;
/* search free file descriptor */
for (fd=0; fd<FILEIO_MAX; ++fd) {
if(fd_array[fd].type == FILEIO_TYPE_EMPTY) {
break;
}
}
if (fd == FILEIO_MAX) {
printf("Can not open \"%s\" because file descriptor list is full\n", name);
/* there is no free file descriptor available */
return -2;
}
fd_array[fd].ih = of_open(name);
if (fd_array[fd].ih == 0)
return -1;
fd_array[fd].type = FILEIO_TYPE_FILE;
return fd;
}
int pre_open_ih(int fd, ihandle_t ih)
{
if (fd_array[fd].type != FILEIO_TYPE_EMPTY)
return -2;
fd_array[fd].ih = ih;
fd_array[fd].type = FILEIO_TYPE_FILE;
return fd;
}
int socket(int domain, int type, int proto, char *mac_addr)
{
uint8_t tmpbuf[8];
int fd;
phandle_t ph;
/* search free file descriptor */
for (fd=0; fd<FILEIO_MAX; ++fd) {
if(fd_array[fd].type == FILEIO_TYPE_EMPTY) {
break;
}
}
if (fd == FILEIO_MAX) {
printf("Can not open socket, file descriptor list is full\n");
/* there is no free file descriptor available */
return -2;
}
fd_array[fd].ih = of_interpret_1("my-parent", tmpbuf);
if (fd_array[fd].ih == 0) {
printf("Can not open socket, no parent instance\n");
return -1;
}
ph = of_instance_to_package(fd_array[fd].ih);
if (ph == -1) {
printf("Can not open socket, no parent package\n");
return -1;
}
if (of_get_mac(ph, mac_addr) < 0) {
printf("Can not open socket, no MAC address\n");
return -1;
}
fd_array[fd].type = FILEIO_TYPE_SOCKET;
return fd;
}
int close(int fd)
{
if (fd < 0 || fd >= FILEIO_MAX ||
fd_array[fd].type == FILEIO_TYPE_EMPTY)
return -1;
if (fd_array[fd].type == FILEIO_TYPE_FILE)
of_close(fd_array[fd].ih);
fd_array[fd].type = FILEIO_TYPE_EMPTY;
return 0;
}
ssize_t read(int fd, void *buf, size_t len)
{
if (fd < 0 || fd >= FILEIO_MAX ||
fd_array[fd].type == FILEIO_TYPE_EMPTY)
return -1;
return of_read(fd_array[fd].ih, buf, len);
}
ssize_t write (int fd, const void *buf, size_t len)
{
char dest_buf[512];
char *dest_buf_ptr;
const char *dbuf = buf;
int i;
if (fd == 1 || fd == 2) {
dest_buf_ptr = &dest_buf[0];
for (i = 0; i < len && i < 256; i++)
{
*dest_buf_ptr++ = *dbuf++;
if (dbuf[-1] == '\n')
*dest_buf_ptr++ = '\r';
}
len = dest_buf_ptr - &dest_buf[0];
buf = &dest_buf[0];
}
if(fd < 0 || fd >= FILEIO_MAX ||
fd_array[fd].type == FILEIO_TYPE_EMPTY)
return -1;
return of_write(fd_array[fd].ih, (void *)buf, len);
}
ssize_t lseek (int fd, long offset, int whence)
{
return 0; // this syscall is unused !!!
#if 0
if (whence != 0)
return -1;
of_seek (fd_array[fd], (unsigned int) (offset>>32), (unsigned int) (offset & 0xffffffffULL));
return offset;
#endif
}
int recv(int fd, void *packet, int packet_len, int flags)
{
return read(fd, packet, packet_len);
}
int send(int fd, const void *packet, int packet_len, int flags)
{
return write(fd, packet, packet_len);
}
int sendto(int fd, const void *packet, int packet_len, int flags,
const void *sock_addr, int sock_addr_len)
{
return send(fd, packet, packet_len, flags);
}
void exit(int status)
{
_exit(status);
}
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