NDNts: ndncat - netcat for NDN
npm install @ndn/catThis package is part of NDNts, Named Data Networking libraries for the modern web.
ndncat is a command line utility to publish and retrieve objects in various formats.
ndncat put-segmented publishes a segmented object, reading payload from standard input.
It accepts the following arguments:
* Positional argument: name prefix.
* NDNTS_UPLINK, NDNTS_NFDREG, NDNTS_KEYCHAIN, NDNTS_KEY environment variables, as explained in @ndn/cli-common package.
--convention=R encodes version and segment components in revR* format (default is rev3).
* --ver=42 inserts a specific version number as version component.
* --ver=now (default) inserts current timestamp as version component.
* --ver=none omits version component.
* --no-rdr disables publishing current version as a RDR metadata packet. This is ignored with --ver=none.
* --file=FILE reads from a file instead of standard input.
* --chunk-size=N sets segment payload size.
ndncat get-segmented retrieves a segmented object, writing payload to standard output.
It accepts the following arguments:
* Positional argument: name prefix.
* NDNTS_UPLINK environment variable, as explained in @ndn/cli-common package.
--convention=R encodes version and segment components in revR* format (default is rev3).
* --ver=42 inserts a specific version number as version component.
* --ver=none disables version discovery and assumes Data has no version component.
* --ver=cbp sends Interest with CanBePrefix and MustBeFresh to discover version.
* --ver=rdr (default) sends an RDR discovery Interest to discover version.
``bashgenerate test file
dd if=/dev/urandom of=/tmp/1.bin bs=1M count=1
Download Files and Folders
ndncat file-client downloads files and folders served from ndn6-file-server.
It accepts the following arguments:* Positional arguments: remote name prefix, local file directory.
*
NDNTS_UPLINK environment variable, as explained in @ndn/cli-common package.
* --jobs=4 sets number of parallel downloads.
* --retx=10 sets Interest retransmission limit.The remote name prefix must refer to a folder.
This command recursively downloads files and folders contained within.
If you want to download an individual file, use
ndncat get-segmented command instead.$3
`bash
ndn6-file-server /demo/file-server /usr/include/linuxndncat file-client /demo/file-server /tmp/file-client-demo
``