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/*
* Copyright (c) 2006-2021, RT-Thread Development Team
*
* SPDX-License-Identifier: Apache-2.0
*
* Change Logs:
* Date Author Notes
* 2017-08-17 armink first version.
*/
#include <rtthread.h>
#include <unistd.h>
#include <sys/stat.h>
#include <sys/statfs.h>
#include <lwip/apps/tftp_server.h>
static struct tftp_context ctx;
/* lwIP 2.2.x: tftp.c invokes ctx->error without NULL-check; the callback
* is effectively mandatory (see tftp.c recv error path). */
static void tftp_error(void* handle, int err, const char* msg, int size)
{
LWIP_UNUSED_ARG(handle);
rt_kprintf("TFTP error: %d, %.*s\n", err, size, msg);
}
static void* tftp_open(const char* fname, const char* mode, u8_t write)
{
int fd = -1;
if (!rt_strcmp(mode, "octet"))
{
if (write)
{
fd = open(fname, O_WRONLY | O_CREAT, 0);
}
else
{
fd = open(fname, O_RDONLY, 0);
}
}
else
{
rt_kprintf("tftp: No support this mode(%s).", mode);
}
return (void *) fd;
}
static int tftp_write(void* handle, struct pbuf* p)
{
int fd = (int) handle;
return write(fd, p->payload, p->len);
}
#if defined(RT_USING_FINSH)
#include <finsh.h>
static void tftp_server(uint8_t argc, char **argv)
{
ctx.open = tftp_open;
ctx.close = (void (*)(void *)) close;
ctx.read = (int (*)(void *, void *, int)) read;
ctx.write = tftp_write;
ctx.error = tftp_error; /* lwIP 2.2.x 新增，必填 */
if (tftp_init_server(&ctx) == ERR_OK) /* lwIP 2.2.x: tftp_init → tftp_init_server */
{
rt_kprintf("TFTP server start successfully.\n");
}
else
{
rt_kprintf("TFTP server start failed.\n");
}
}
FINSH_FUNCTION_EXPORT(tftp_server, start tftp server.);
MSH_CMD_EXPORT(tftp_server, start tftp server.);
#endif /* defined(RT_USING_FINSH) */
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