chensm9 / LFTP-1

Large File Transfer Protocol base UDP

LFTP

Send and receive large file by UDP

Usage

Usage: lftp [-hV] [COMMAND]
Send and receive large file by udp.
  -h, --help      Show this help message and exit.
  -V, --version   Print version information and exit.
Commands:
  server  Send and receive large file by udp.
  lsend   Send file to server.
  lget    Get file from server.
  list    Get file list in server.

Usage: lftp server [-hV] [-c=<clientCount>] [-d=<dir>] [-p=<port>]
                   [-s=<portPoolStart>]
Send and receive large file by udp.
  -c, --client=<clientCount>
                      The number of clients at the same time.
  -d, --dir=<dir>     Server data folder.
  -h, --help          Show this help message and exit.
  -p, --port=<port>   Server listen port.
  -s, --start=<portPoolStart>
                      Start port pool
  -V, --version       Print version information and exit.

Usage: lftp lsend [-hV] [-c=<controlPort>] [-p=<sendPort>] [-s=<server>]
                  [<files>...]
Send file to server.
      [<files>...]        File path
  -c, --control=<controlPort>
                          Control port.
  -h, --help              Show this help message and exit.
  -p, --port=<sendPort>   Data port.
  -s, --server=<server>   Server location.
  -V, --version           Print version information and exit.

Usage: lftp lget [-hV] [-c=<controlPort>] [-d=<dir>] [-p=<dataPort>]
                 [-s=<server>] [<files>...]
Get file from server.
      [<files>...]        File path
  -c, --control=<controlPort>
                          Control Port
  -d, --dir=<dir>         Your file will download to this folder.
  -h, --help              Show this help message and exit.
  -p, --port=<dataPort>   Data Port.
  -s, --server=<server>   Server location.
  -V, --version           Print version information and exit.

Usage: lftp list [-hV] [-s=<server>]
Get file list in server.
  -h, --help              Show this help message and exit.
  -s, --server=<server>   Server location.
  -V, --version           Print version information and exit.

Example

# Run a server in port 3000
$ java -jar lftp.jar server -p 3000 -d ./serverData
# Send a file(./data/test.txt)
$ java -jar lftp.jar lsend -s 127.0.0.1:3000 ./data/test.txt
# Get a file(test.txt) to ./data
$ java -jar lftp.jar lget -s 127.0.0.1:3000 -d ./data test.txt
# List file in server
$ java -jar lftp.jar list -s 127.0.0.1:3000

Design

Design-doc.md

Test

Test-doc.md

Release

LFTP V1.0.1

• 添加超大文件测试

• 改进文件IO方法，提高写入速度，以更大粒度读取文件，增加IO缓存

• 改进进度条占用资源和显示

• 减少文件传输时资源消耗

• 修复不能支持2GB以上文件的BUG

• 增加发送缓冲区大小

• 修复一些小问题

LFTP V1.0.0

• 基本功能实现