harmony 鸿蒙tftp

2022-08-09
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tftp

Command Function

Trivial File Transfer Protocol (TFTP) is a protocol in the TCP/IP protocol suite for transferring files between clients and servers. TFTP provides simple and low-overhead file transfer services. The port number is 69.

The tftp command is used to transfer files with a TFTP server.

Syntax

./bin/tftp *<-g/-p>-l[FullPathLocalFile] -r [RemoteFile] [Host]*

Parameters

Table 1 Parameter description

Parameter	Description	Value Range
-g/-p	Specifies the file transfer direction. - -g: obtains a file from the TFTP server. - -p: uploads a file to the TFTP server.	N/A
-l FullPathLocalFile	Specifies the complete path of a local file.	N/A
-r RemoteFile	Specifies the file name on the server.	N/A
Host	Specifies the server IP address.	N/A

Usage Guidelines

Deploy a TFTP server on the server and configure the TFTP server correctly.
Use the tftp command to upload files from or download files to an OpenHarmony board.
The size of the file to be transferred cannot exceed 32 MB. > NOTICE
> TFTP is used for debugging and disabled by default. Do not use it in formal products.

Example

Download the out file from the server.

Output

OHOS # ./bin/tftp -g -l /nfs/out -r out 192.168.1.2
TFTP transfer finish

After the tftp command is executed, TFTP transfer finish is displayed if the file transfer is complete. If the file transfer fails, other information is displayed to help locate the fault.