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Implement ISOBUS File Server (FS) Interface as a Personal Project

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Introduce the ISOBUS File Server (FS) interface, compatible with ISO
11783-13. The implementation utilizes the kernel's existing CAN J1939
socket support.

For testing following setup can be used:
ip link add type vcan
ip l s dev vcan0 up

j1939acd -r 64-95 -c /tmp/1122334455667788.jacd 1122334455667788 vcan0 &
j1939acd -r 96-127 -c /tmp/1122334455667789.jacd 1122334455667789 vcan0 &

sleep 1

isobusfs-srv -i vcan0 -n 1122334455667788 -v vol1:/path/to/export/
isobusfs-cli -i vcan0 -n 0x1122334455667789 -m 0x1122334455667788 -I

Interactive mode currently support following commands:
exit - exit interactive mode
quit - exit interactive mode
help - show this help
dmesg - show log buffer
selftest - run selftest
ls - list directory
ll - list directory with long listing format
cd - change directory
pwd - print name of current/working directory
get - get file

Signed-off-by: Oleksij Rempel <linux@rempel-privat.de>
This commit is contained in:
Oleksij Rempel
2024-02-02 13:44:07 +01:00
committed by Oleksij Rempel
parent 6004c64f06
commit 42edaeaf52
30 changed files with 9750 additions and 0 deletions
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isobusfs/isobusfs_srv_vh.c
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// SPDX-License-Identifier: GPL-2.0-only
// SPDX-FileCopyrightText: 2023 Oleksij Rempel <linux@rempel-privat.de>
#include <errno.h>
#include <string.h>
#include <unistd.h>
#include "isobusfs_srv.h"
/* Command group: volume hnadling */
int isobusfs_srv_rx_cg_vh(struct isobusfs_srv_priv *priv,
struct isobusfs_msg *msg)
{
int func = isobusfs_buf_to_function(msg->buf);
int ret = 0;
switch (func) {
/* TODO: currently not implemented */
case ISOBUSFS_VA_F_INITIALIZE_VOLUME_REQ: /* fall through */
default:
isobusfs_srv_send_error(priv, msg,
ISOBUSFS_ERR_FUNC_NOT_SUPPORTED);
pr_warn("%s: unsupported function: %i", __func__, func);
}
return ret;
}