mame/src/osd/osdnet.cpp
2016-01-08 12:41:13 +01:00

138 lines
2.9 KiB
C++

// license:BSD-3-Clause
// copyright-holders:Carl
#include "emu.h"
#include "osdnet.h"
static class simple_list<osd_netdev::entry_t> netdev_list;
void add_netdev(const char *name, const char *description, create_netdev func)
{
auto entry = global_alloc_clear<osd_netdev::entry_t>();
entry->id = netdev_list.count();
strncpy(entry->name, name, 255);
entry->name[255] = '\0';
strncpy(entry->description, (description != nullptr) ? description : "(no name)", 255);
entry->description[255] = '\0';
entry->func = func;
netdev_list.append(*entry);
}
void clear_netdev()
{
netdev_list.reset();
}
const osd_netdev::entry_t *netdev_first() {
return netdev_list.first();
}
class osd_netdev *open_netdev(int id, class device_network_interface *ifdev, int rate)
{
osd_netdev::entry_t *entry = netdev_list.first();
while(entry) {
if(entry->id==id)
return entry->func(entry->name, ifdev, rate);
entry = entry->m_next;
}
return nullptr;
}
osd_netdev::osd_netdev(class device_network_interface *ifdev, int rate)
{
m_dev = ifdev;
m_stop = false;
m_timer = ifdev->device().machine().scheduler().timer_alloc(timer_expired_delegate(FUNC(osd_netdev::recv), this));
m_timer->adjust(attotime::from_hz(rate), 0, attotime::from_hz(rate));
}
osd_netdev::~osd_netdev()
{
m_stop = true;
// nasty hack to prevent Segmentation fault on emulation stop
// m_timer->reset();
}
int osd_netdev::send(UINT8 *buf, int len)
{
return 0;
}
void osd_netdev::recv(void *ptr, int param)
{
UINT8 *buf;
int len;
//const char atalkmac[] = { 0x09, 0x00, 0x07, 0xff, 0xff, 0xff };
while((!m_stop) && (len = recv_dev(&buf)))
{
#if 0
if(buf[0] & 1)
{
if(memcmp("\xff\xff\xff\xff\xff\xff", buf, 6) && memcmp(atalkmac, buf, 6) && !m_dev->mcast_chk(buf, len)) continue;
}
else {
//const unsigned char *ourmac = (const unsigned char *)get_mac();
//printf("our mac: %.2X:%.2X:%.2X:%.2X:%.2X:%.2X dst mac: %.2X:%.2X:%.2X:%.2X:%.2X:%.2X\n", ourmac[0], ourmac[1], ourmac[2], ourmac[3], ourmac[4], ourmac[5], buf[0], buf[1], buf[2], buf[3], buf[4], buf[5]);
if(memcmp(get_mac(), buf, 6) && !get_promisc()) continue;
}
#endif
m_dev->recv_cb(buf, len);
}
}
int osd_netdev::recv_dev(UINT8 **buf)
{
return 0;
}
void osd_netdev::set_mac(const char *mac)
{
}
void osd_netdev::set_promisc(bool promisc)
{
}
bool osd_netdev::get_promisc()
{
if(m_dev)
return m_dev->get_promisc();
return false;
}
const char *osd_netdev::get_mac()
{
if(m_dev)
return m_dev->get_mac();
return "\0\0\0\0\0\0";
}
int netdev_count()
{
return netdev_list.count();
}
void osd_list_network_adapters(void)
{
#ifdef USE_NETWORK
int num_devs = netdev_list.count();
if (num_devs == 0)
{
printf("No network adapters were found\n");
return;
}
printf("Available network adapters:\n");
const osd_netdev::entry_t *entry = netdev_first();
while(entry) {
printf(" %s\n", entry->description);
entry = entry->m_next;
}
#else
printf("Network is not supported in this build\n");
#endif
}