From b1362405e2ee5ee5b78cdb53d81d93dc92e1e7fb Mon Sep 17 00:00:00 2001
From: armink <armink.ztl@gmail.com>
Date: Thu, 17 Aug 2017 15:56:33 +0800
Subject: [PATCH] [LWIP] Add TFTP server to LWIP 2.0.2 .

---
 components/net/lwip-2.0.2/apps/tftp_server.c | 83 ++++++++++++++++++++
 1 file changed, 83 insertions(+)
 create mode 100644 components/net/lwip-2.0.2/apps/tftp_server.c

diff --git a/components/net/lwip-2.0.2/apps/tftp_server.c b/components/net/lwip-2.0.2/apps/tftp_server.c
new file mode 100644
index 0000000000..f5667ef0ad
--- /dev/null
+++ b/components/net/lwip-2.0.2/apps/tftp_server.c
@@ -0,0 +1,83 @@
+/*
+ * File      : tftp_server.c
+ * This file is part of RT-Thread RTOS
+ * COPYRIGHT (C) 2006 - 2017, RT-Thread Development Team
+ *
+ *  This program is free software; you can redistribute it and/or modify
+ *  it under the terms of the GNU General Public License as published by
+ *  the Free Software Foundation; either version 2 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, write to the Free Software Foundation, Inc.,
+ *  51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
+ *
+ * Change Logs:
+ * Date           Author       Notes
+ * 2017-08-17     armink       first version.
+ */
+
+
+#include <rtthread.h>
+#include <dfs_posix.h>
+#include <lwip/apps/tftp_server.h>
+
+static struct tftp_context ctx;
+
+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) && defined(FINSH_USING_MSH)
+#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;
+
+    if (tftp_init(&ctx) == ERR_OK)
+    {
+        rt_kprintf("TFTP server start successfully.\n");
+    }
+    else
+    {
+        rt_kprintf("TFTP server start failed.\n");
+    }
+}
+MSH_CMD_EXPORT(tftp_server, start tftp server.);
+
+#endif /* defined(RT_USING_FINSH) && defined(FINSH_USING_MSH) */
-- 
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