f-stack/lib/ff_ngctl.c

132 lines
3.4 KiB
C

/*
* Copyright (C) 2017 THL A29 Limited, a Tencent company.
* All rights reserved.
*
* 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.
*
* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "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 COPYRIGHT OWNER OR CONTRIBUTORS 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 <sys/types.h>
#include <sys/socket.h>
#include <sys/syscallsubr.h>
#include <sys/sysproto.h>
#include <sys/pcpu.h>
#include <sys/proc.h>
#include <netgraph/ng_message.h>
#include <netgraph/ng_socket.h>
#include "ff_api.h"
#include "ff_host_interface.h"
static int
ngctl_socket(struct socket_args *uap)
{
int error = sys_socket(curthread, uap);
if (error) {
ff_os_errno(error);
return -1;
}
return curthread->td_retval[0];
}
static int
ngctl_connect(struct connect_args *uap)
{
int error = sys_connect(curthread, uap);
if (error) {
ff_os_errno(error);
return (-1);
}
return (error);
}
static int
ngctl_bind(struct bind_args *uap)
{
int error = sys_bind(curthread, uap);
if (error) {
ff_os_errno(error);
return (-1);
}
return (error);
}
static int
ngctl_recvfrom(struct recvfrom_args *uap)
{
int error = sys_recvfrom(curthread, uap);
if (error) {
ff_os_errno(error);
return (-1);
}
return curthread->td_retval[0];
}
static int
ngctl_sendto(struct sendto_args *uap)
{
int error = sys_sendto(curthread, uap);
if (error) {
ff_os_errno(error);
return (-1);
}
return curthread->td_retval[0];
}
static int
ngctl_close(int sockfd)
{
int error = kern_close(curthread, sockfd);
if (error) {
ff_os_errno(error);
return (-1);
}
return (error);
}
int
ff_ngctl(int cmd, void *data)
{
switch(cmd) {
case NGCTL_SOCKET:
return ngctl_socket((struct socket_args *)data);
case NGCTL_CONNECT:
return ngctl_connect((struct connect_args *)data);
case NGCTL_BIND:
return ngctl_bind((struct bind_args *)data);
case NGCTL_SEND:
return ngctl_sendto((struct sendto_args *)data);
case NGCTL_RECV:
return ngctl_recvfrom((struct recvfrom_args *)data);
case NGCTL_CLOSE:
return ngctl_close(*(int *)data);
default:
break;
}
ff_os_errno(EINVAL);
return (-1);
}