1 files changed, 0 insertions, 372 deletions
diff --git a/ext/tap-mac/tuntap/src/tuntap_mgr.cc b/ext/tap-mac/tuntap/src/tuntap_mgr.cc
deleted file mode 100644
index f41394e9..00000000
--- a/ext/tap-mac/tuntap/src/tuntap_mgr.cc
+++ /dev/null
@@ -1,372 +0,0 @@
-/*
- * ip tunnel/ethertap device for MacOSX.
- *
- * tuntap_manager definition.
- */
-/*
- * Copyright (c) 2011 Mattias Nissler <mattias.nissler@gmx.de>
- *
- * Redistribution and use in source and binary forms, with or without modification, are permitted
- * provided that the following conditions are met:
- *
- *   1. Redistributions of source code must retain the above copyright notice, this list of
- *      conditions and the following disclaimer.
- *   2. Redistributions in binary form must reproduce the above copyright notice, this list of
- *      conditions and the following disclaimer in the documentation and/or other materials provided
- *      with the distribution.
- *   3. The name of the author may not be used to endorse or promote products derived from this
- *      software without specific prior written permission.
- *
- * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES,
- * INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A
- * PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT,
- * INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED
- * TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
- * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
- * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS
- * SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
- */
-
-#include "tuntap.h"
-#include "mem.h"
-
-extern "C" {
-
-#include <sys/conf.h>
-#include <sys/param.h>
-#include <sys/syslog.h>
-#include <sys/systm.h>
-
-#include <vm/vm_kern.h>
-
-#include <miscfs/devfs/devfs.h>
-
-}
-
-#if 0
-#define dprintf(...)			log(LOG_INFO, __VA_ARGS__)
-#else
-#define dprintf(...)
-#endif
-
-/* cdevsw for tuntap_manager */
-static struct cdevsw mgr_cdevsw =
-{
-	tuntap_manager::cdev_open,
-	tuntap_manager::cdev_close,
-	tuntap_manager::cdev_read,
-	tuntap_manager::cdev_write,
-	tuntap_manager::cdev_ioctl,
-	eno_stop,
-	eno_reset,
-	NULL,
-	tuntap_manager::cdev_select,
-	eno_mmap,
-	eno_strat,
-	eno_getc,
-	eno_putc,
-	0
-};
-
-/* tuntap_manager members */
-tuntap_manager *tuntap_manager::mgr_map[MAX_CDEV];
-
-bool tuntap_manager::statics_initialized = false;
-
-/* static initializer */
-void
-tuntap_manager::initialize_statics()
-{
-	dprintf("initializing mgr_map\n");
-
-	/* initialize the major-to-manager map */
-	for (int i = 0; i < MAX_CDEV; i++)
-		mgr_map[i] = NULL;
-
-	statics_initialized = true;
-}
-
-bool
-tuntap_manager::initialize(unsigned int count, char *family)
-{
-	this->count = count;
-	this->family = family;
-	this->tuntaps = NULL;
-
-	if (!statics_initialized)
-		initialize_statics();
-
-	/* make sure noone can access the character devices until we are done */
-	auto_lock l(&cdev_gate);
-
-	/* register the switch for the tap character devices */
-	dev_major = cdevsw_add(-1, &mgr_cdevsw);
-	if (dev_major == -1) {
-		log(LOG_ERR, "%s: could not register character device switch.\n", family);
-		return false;
-	}
-
-	/* allocate memory for the interface instance table */
-	tuntaps = (tuntap_interface **) mem_alloc(count * sizeof(tuntap_interface *));
-	if (tuntaps == NULL)
-	{
-		log(LOG_ERR, "%s: no memory!\n", family);
-		return false;
-	}
-
-	bzero(tuntaps, count * sizeof(tuntap_interface *));
-
-	/* Create the interfaces. This will only add the character devices. The network devices will
-	 * be created upon open()ing the corresponding character devices.
-	 */
-	for (int i = 0; i < (int) count; i++)
-	{
-		tuntaps[i] = create_interface();
-
-		if (tuntaps[i] != NULL)
-		{
-			if (tuntaps[i]->initialize(dev_major, i))
-			{
-				continue;
-			}
-
-			/* error here. current interface needs to be shut down */
-			i++;
-		}
-
-		/* something went wrong. clean up. */
-		while (--i >= 0)
-		{
-			tuntaps[i]->shutdown();
-			delete  tuntaps[i];
-		}
-
-		return false;
-	}
-
-	/* register the new family in the mgr switch */
-	mgr_map[dev_major] = this;
-
-	log(LOG_INFO, "%s kernel extension version %s <mattias.nissler@gmx.de>\n",
-			family, TUNTAP_VERSION);
-
-	return true;
-}
-
-bool
-tuntap_manager::shutdown()
-{
-	bool ok = true;
-
-	/* we halt the whole thing while we check whether we can shutdown */
-	auto_lock l(&cdev_gate);
-
-	/* anyone in? */
-	if (cdev_gate.is_anyone_in()) {
-		dprintf("tuntap_mgr: won't shutdown, threads still behind the gate.");
-		ok = false;
-	} else {
-		/* query the interfaces to see if shutting down is ok */
-		if (tuntaps != NULL) {
-			for (unsigned int i = 0; i < count; i++) {
-				if (tuntaps[i] != NULL)
-					ok &= tuntaps[i]->idle();
-			}
-
-			/* if yes, do it now */
-			if (ok) {
-				for (unsigned int i = 0; i < count; i++) {
-					if (tuntaps[i] != NULL) {
-						tuntaps[i]->shutdown();
-						delete tuntaps[i];
-						tuntaps[i] = NULL;
-					}
-				}
-			}
-		}
-	}
-
-	/* unregister the character device switch */
-	if (ok) {
-		if (dev_major != -1 && cdevsw_remove(dev_major, &mgr_cdevsw) == -1) {
-			log(LOG_WARNING,
-				"%s: character device switch got lost. strange.\n", family);
-		}
-		mgr_map[dev_major] = NULL;
-		dev_major = -1;
-
-		/* at this point there is still a chance that some thread hangs at the cdev_gate in
-		 * one of the cdev service functions. I can't imagine any way that would aviod this.
-		 * So lets unblock the gate such that they fail.
-		 */
-		unsigned int old_number;
-		do {
-			old_number = cdev_gate.get_ticket_number();
-
-			dprintf("tuntap_manager: waiting for other threads to give up.\n");
-
-			/* wait one second */
-			cdev_gate.sleep(&cdev_gate, 1000000);
-
-		} while (cdev_gate.get_ticket_number() != old_number);
-
-		/* I hope it is safe to unload now. */
-
-	} else {
-		log(LOG_WARNING, "%s: won't unload, at least one interface is busy.\n", family);
-	}
-
-	dprintf("tuntap manager: shutdown %s\n", ok ? "ok" : "failed");
-
-	return ok;
-}
-
-tuntap_manager::~tuntap_manager()
-{
-	dprintf("freeing interface table\n");
-
-	/* free memory */
-	if (tuntaps != NULL)
-		mem_free(tuntaps, count * sizeof(tuntap_interface *));
-}
-
-/* service method dispatchers */
-int
-tuntap_manager::cdev_open(dev_t dev, int flags, int devtype, proc_t p)
-{
-	return (mgr_map[major(dev)] == NULL ? ENOENT
-			: mgr_map[major(dev)]->do_cdev_open(dev, flags, devtype, p));
-}
-
-int
-tuntap_manager::cdev_close(dev_t dev, int flags, int devtype, proc_t p)
-{
-	return (mgr_map[major(dev)] == NULL ? EBADF
-			: mgr_map[major(dev)]->do_cdev_close(dev, flags, devtype, p));
-}
-
-int
-tuntap_manager::cdev_read(dev_t dev, uio_t uio, int ioflag)
-{
-	return (mgr_map[major(dev)] == NULL ? EBADF
-			: mgr_map[major(dev)]->do_cdev_read(dev, uio, ioflag));
-}
-
-int
-tuntap_manager::cdev_write(dev_t dev, uio_t uio, int ioflag)
-{
-	return (mgr_map[major(dev)] == NULL ? EBADF
-			: mgr_map[major(dev)]->do_cdev_write(dev, uio, ioflag));
-}
-
-int
-tuntap_manager::cdev_ioctl(dev_t dev, u_long cmd, caddr_t data, int fflag, proc_t p)
-{
-	return (mgr_map[major(dev)] == NULL ? EBADF
-			: mgr_map[major(dev)]->do_cdev_ioctl(dev, cmd, data, fflag, p));
-}
-
-int
-tuntap_manager::cdev_select(dev_t dev, int which, void *wql, proc_t p)
-{
-	return (mgr_map[major(dev)] == NULL ? EBADF
-			: mgr_map[major(dev)]->do_cdev_select(dev, which, wql, p));
-}
-
-/* character device service methods */
-int
-tuntap_manager::do_cdev_open(dev_t dev, int flags, int devtype, proc_t p)
-{
-	int dmin = minor(dev);
-	int error = ENOENT;
-
-	cdev_gate.enter();
-
-	if (dmin < (int) count && dmin >= 0 && tuntaps[dmin] != NULL)
-		error = tuntaps[dmin]->cdev_open(flags, devtype, p);
-
-	cdev_gate.exit();
-
-	return error;
-}
-
-int
-tuntap_manager::do_cdev_close(dev_t dev, int flags, int devtype, proc_t p)
-{
-	int dmin = minor(dev);
-	int error = EBADF;
-
-	cdev_gate.enter();
-
-	if (dmin < (int) count && dmin >= 0 && tuntaps[dmin] != NULL)
-		error = tuntaps[dmin]->cdev_close(flags, devtype, p);
-
-	cdev_gate.exit();
-
-	return error;
-}
-
-int
-tuntap_manager::do_cdev_read(dev_t dev, uio_t uio, int ioflag)
-{
-	int dmin = minor(dev);
-	int error = EBADF;
-
-	cdev_gate.enter();
-
-	if (dmin < (int) count && dmin >= 0 && tuntaps[dmin] != NULL)
-		error = tuntaps[dmin]->cdev_read(uio, ioflag);
-
-	cdev_gate.exit();
-	
-	return error;
-}
-
-int
-tuntap_manager::do_cdev_write(dev_t dev, uio_t uio, int ioflag)
-{
-	int dmin = minor(dev);
-	int error = EBADF;
-
-	cdev_gate.enter();
-
-	if (dmin < (int) count && dmin >= 0 && tuntaps[dmin] != NULL)
-		error = tuntaps[dmin]->cdev_write(uio, ioflag);
-
-	cdev_gate.exit();
-	
-	return error;
-}
-
-int
-tuntap_manager::do_cdev_ioctl(dev_t dev, u_long cmd, caddr_t data, int fflag, proc_t p)
-{
-	int dmin = minor(dev);
-	int error = EBADF;
-
-	cdev_gate.enter();
-
-	if (dmin < (int) count && dmin >= 0 && tuntaps[dmin] != NULL)
-		error = tuntaps[dmin]->cdev_ioctl(cmd, data, fflag, p);
-
-	cdev_gate.exit();
-	
-	return error;
-}
-
-int
-tuntap_manager::do_cdev_select(dev_t dev, int which, void *wql, proc_t p)
-{
-	int dmin = minor(dev);
-	int error = EBADF;
-
-	cdev_gate.enter();
-
-	if (dmin < (int) count && dmin >= 0 && tuntaps[dmin] != NULL)
-		error = tuntaps[dmin]->cdev_select(which, wql, p);
-
-	cdev_gate.exit();
-	
-	return error;
-}
-