uping

Unidirectional Latency Find Tool

Determine latency with unidirectional measurements.

This not like run only client side, it is requires server side for measure.

Server

Avaible server configurations:

• --listen string
  Listen addr for this service (default ":50123")

• --timeserver string
  Time server which is used for updating time (default "time.cloudflare.com")

• --tsi uint
  Time sync interval for time client (default 10)

$ uping server
Server Mode
Time synced, the offset is "365.299µs"

Client

Avaible client configurations:

• -c number
  Ping count
• -i number
  Ping interval (default 1)
• -p number
  Remote server custom port number
• -sp number Source port number
• --timeserver string
  Time server which is used for updating time (default "time.cloudflare.com")
• --tsi number Time sync interval for time client (default 10)

uping client 203.0.113.123
Client Mode
Time synced, the offset is "-307.962038ms"

Pinging from 172.17.0.2:45578 to 203.0.113.123:50123
6 bytes client > 36ms > server(203.0.113.123) > 50ms > client total 86 seq 1
6 bytes client > 36ms > server(203.0.113.123) > 50ms > client total 86 seq 2
6 bytes client > 37ms > server(203.0.113.123) > 49ms > client total 86 seq 3
6 bytes client > 38ms > server(203.0.113.123) > 50ms > client total 88 seq 4
6 bytes client > 38ms > server(203.0.113.123) > 50ms > client total 88 seq 5

5 packets transmitted, 5 received, 0% packet Loss 
Average outbound packet delay 37
Average inbound packet delay 50

Install From Source

For compiling, you have to install go on your system. If you want to use docker, you can also use my "ahmetozer/golang" container for compile and run.

# Get source
go get github.com/ahmetozer/uping

# To build
go build github.com/ahmetozer/uping

# Run app
uping