Fail* directories reorganized, Code-cleanup (-> coding-style), Typos+comments fixed.
git-svn-id: https://www4.informatik.uni-erlangen.de/i4svn/danceos/trunk/devel/fail@1321 8c4709b5-6ec9-48aa-a5cd-a96041d1645a
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adrian
214
simulators/bochs/iodev/eth.cc
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214
simulators/bochs/iodev/eth.cc
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/////////////////////////////////////////////////////////////////////////
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// $Id$
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/////////////////////////////////////////////////////////////////////////
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//
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// Copyright (C) 2001-2011 The Bochs Project
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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., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA
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//
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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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#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, bx_devmodel_c *dev,
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const 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, dev, 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, dev, 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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// This is a utility script used for tuntap or ethertap
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int execute_script(bx_devmodel_c *netdev, const 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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netdev->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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void write_pktlog_txt(FILE *pktlog_txt, const Bit8u *buf, unsigned len, bx_bool host_to_guest)
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{
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Bit8u *charbuf = (Bit8u *)buf;
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unsigned n;
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if (!host_to_guest) {
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fprintf(pktlog_txt, "a packet from guest to host, length %u\n", len);
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} else {
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fprintf(pktlog_txt, "a packet from host to guest, length %u\n", len);
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}
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for (n = 0; n < len; n++) {
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if (((n % 16) == 0) && (n > 0))
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fprintf(pktlog_txt, "\n");
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fprintf(pktlog_txt, "%02x ", (unsigned)charbuf[n]);
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}
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fprintf(pktlog_txt, "\n--\n");
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fflush(pktlog_txt);
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}
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#endif /* if BX_NETWORKING */
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