204 lines
4.9 KiB
C++
204 lines
4.9 KiB
C++
/////////////////////////////////////////////////////////////////////////
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// $Id: eth.cc,v 1.24 2005-12-10 18:37:35 vruppert Exp $
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/////////////////////////////////////////////////////////////////////////
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//
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// Copyright (C) 2001 MandrakeSoft S.A.
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//
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// MandrakeSoft S.A.
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// 43, rue d'Aboukir
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// 75002 Paris - France
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// http://www.linux-mandrake.com/
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// http://www.mandrakesoft.com/
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//
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// This library is free software; you can redistribute it and/or
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// modify it under the terms of the GNU Lesser General Public
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// License as published by the Free Software Foundation; either
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// version 2 of the License, or (at your option) any later version.
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//
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// This library is distributed in the hope that it will be useful,
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// but WITHOUT ANY WARRANTY; without even the implied warranty of
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// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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// Lesser General Public License for more details.
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//
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// You should have received a copy of the GNU Lesser General Public
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// License along with this library; if not, write to the Free Software
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// Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
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// eth.cc - helper code to find and create pktmover classes
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// Peter Grehan (grehan@iprg.nokia.com) coded all of this
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// NE2000/ether stuff.
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// Define BX_PLUGGABLE in files that can be compiled into plugins. For
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// platforms that require a special tag on exported symbols, BX_PLUGGABLE
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// is used to know when we are exporting symbols and when we are importing.
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#define BX_PLUGGABLE
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#define NO_DEVICE_INCLUDES
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#include "iodev.h"
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#if BX_NETWORKING
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#include "eth.h"
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#define LOG_THIS /* not needed */
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eth_locator_c *eth_locator_c::all;
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//
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// Each pktmover module has a static locator class that registers
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// here
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//
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eth_locator_c::eth_locator_c(const char *type)
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{
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next = all;
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all = this;
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this->type = type;
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}
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#ifdef ETH_NULL
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extern class bx_null_locator_c bx_null_match;
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#endif
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#ifdef ETH_FBSD
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extern class bx_fbsd_locator_c bx_fbsd_match;
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#endif
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#ifdef ETH_LINUX
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extern class bx_linux_locator_c bx_linux_match;
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#endif
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#ifdef ETH_WIN32
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extern class bx_win32_locator_c bx_win32_match;
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#endif
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#if HAVE_ETHERTAP
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extern class bx_tap_locator_c bx_tap_match;
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#endif
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#if HAVE_TUNTAP
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extern class bx_tuntap_locator_c bx_tuntap_match;
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#endif
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#if HAVE_VDE
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extern class bx_vde_locator_c bx_vde_match;
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#endif
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#ifdef ETH_ARPBACK
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extern class bx_arpback_locator_c bx_arpback_match;
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#endif
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extern class bx_vnet_locator_c bx_vnet_match;
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//
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// Called by ethernet chip emulations to locate and create a pktmover
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// object
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//
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eth_pktmover_c *
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eth_locator_c::create(const char *type, const char *netif,
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const char *macaddr,
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eth_rx_handler_t rxh, void *rxarg, char *script)
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{
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#ifdef eth_static_constructors
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for (eth_locator_c *p = all; p != NULL; p = p->next) {
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if (strcmp(type, p->type) == 0)
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return (p->allocate(netif, macaddr, rxh, rxarg, script));
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}
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#else
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eth_locator_c *ptr = 0;
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#ifdef ETH_ARPBACK
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{
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if (!strcmp(type, "arpback"))
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ptr = (eth_locator_c *) &bx_arpback_match;
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}
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#endif
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#ifdef ETH_NULL
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{
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if (!strcmp(type, "null"))
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ptr = (eth_locator_c *) &bx_null_match;
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}
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#endif
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#ifdef ETH_FBSD
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{
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if (!strcmp(type, "fbsd"))
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ptr = (eth_locator_c *) &bx_fbsd_match;
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}
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#endif
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#ifdef ETH_LINUX
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{
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if (!strcmp(type, "linux"))
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ptr = (eth_locator_c *) &bx_linux_match;
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}
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#endif
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#if HAVE_TUNTAP
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{
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if (!strcmp(type, "tuntap"))
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ptr = (eth_locator_c *) &bx_tuntap_match;
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}
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#endif
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#if HAVE_VDE
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{
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if (!strcmp(type, "vde"))
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ptr = (eth_locator_c *) &bx_vde_match;
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}
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#endif
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#if HAVE_ETHERTAP
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{
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if (!strcmp(type, "tap"))
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ptr = (eth_locator_c *) &bx_tap_match;
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}
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#endif
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#ifdef ETH_WIN32
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{
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if(!strcmp(type, "win32"))
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ptr = (eth_locator_c *) &bx_win32_match;
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}
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#endif
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{
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if (!strcmp(type, "vnet"))
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ptr = (eth_locator_c *) &bx_vnet_match;
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}
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if (ptr)
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return (ptr->allocate(netif, macaddr, rxh, rxarg, script));
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#endif
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return (NULL);
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}
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#if (HAVE_ETHERTAP==1) || (HAVE_TUNTAP==1) || (HAVE_VDE==1)
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extern "C" {
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#include <sys/wait.h>
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};
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#undef LOG_THIS
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#define LOG_THIS bx_devices.pluginNE2kDevice->
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// This is a utility script used for tuntap or ethertap
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int execute_script( char* scriptname, char* arg1 )
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{
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int pid,status;
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if (!(pid=fork())) {
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char filename[BX_PATHNAME_LEN];
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if ( scriptname[0]=='/' ) {
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strcpy (filename, scriptname);
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}
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else {
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getcwd (filename, BX_PATHNAME_LEN);
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strcat (filename, "/");
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strcat (filename, scriptname);
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}
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// execute the script
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BX_INFO(("Executing script '%s %s'",filename,arg1));
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execle(filename, scriptname, arg1, NULL, NULL);
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// if we get here there has been a problem
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exit(-1);
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}
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wait (&status);
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if (!WIFEXITED(status)) {
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return -1;
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}
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return WEXITSTATUS(status);
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}
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#endif // (HAVE_ETHERTAP==1) || (HAVE_TUNTAP==1)
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#endif /* if BX_NETWORKING */
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