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cjdns/interface/tuntap/TUNInterface.h
2024-09-28 15:09:17 +02:00

67 lines
2.0 KiB
C

/* vim: set expandtab ts=4 sw=4: */
/*
* You may redistribute this program and/or modify it under the terms of
* the GNU General Public License as published by the Free Software Foundation,
* either version 3 of the License, or (at your option) any later version.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with this program. If not, see <https://www.gnu.org/licenses/>.
*/
#ifndef TUNInterface_H
#define TUNInterface_H
#include "exception/Err.h"
#include "memory/Allocator.h"
#include "util/log/Log.h"
#include "util/Linker.h"
Linker_require("interface/tuntap/TUNInterface.c")
/**
* This is the maximum size that will be accepted as an interface name.
* If this runs on a system where IFNAMSIZ is less then this, names larger
* than that will also be rejected.
*/
#ifdef win32
#define TUNInterface_IFNAMSIZ 256
#else
#define TUNInterface_IFNAMSIZ 16
#endif
typedef struct TUNInterface {
Iface_t* iface;
} TUNInterface_t;
/**
* Create a new TUNInterface.
*
* @param interfaceName the interface name you *want* to use or NULL to let the kernel decide.
* @param assignedInterfaceName an empty buffer which will be filled in with the interface
* name that is assigned.
* @param logger for logging messages about the tun device.
* @param allocator a means of getting memory.
* @return a Interface.
*/
Err_DEFUN TUNInterface_new(
TUNInterface_t** out,
const char* interfaceName,
char assignedInterfaceName[TUNInterface_IFNAMSIZ],
struct Log* logger,
struct Allocator* alloc);
Err_DEFUN TUNInterface_workerStates(
Object_t** out,
TUNInterface_t* tt,
Allocator_t* alloc);
Err_DEFUN TUNInterface_forFd(
TUNInterface_t** out,
int fd,
struct Allocator* alloc);
#endif