ping (udp/tcp/http) client/server implementation in
using nspr API directly
Methods
(static) server_start(func, opt, incrementaloutput)
Start ping server.
Parameters:
| Name | Type | Description |
|---|---|---|
func |
function | The callback function to invoke when results are available. First callback returns the server id. |
opt |
object | The command line arguments. Valid keys include: proto (default udp), port (default 5790). |
incrementaloutput |
boolean | Send incremental output (optional - default false). |
(static) server_stop(id)
stop running ping server.
Parameters:
| Name | Type | Description |
|---|---|---|
id |
number | The id returned by the start call. |
(static) start(callback, dst, opt, incrementaloutput)
Start a ping client. The implementation runs a ping client
in a ChromeWorker thread and reports results either incrementally or
at completion. The implementation supports the following methods:
- xmlhttpreq : Browser XmlHttpRequest HEAD request, no other payload.
Works with any destination.
- http : HTTP HEAD using Fathom tcp socket, no payload. Works
with any destination.
- ws : WebSocket based ping. Works only with the measurement
server(s).
- udp : UDP ping using Fathom sockets. Works between Fathom
nodes and with the measurement server(s).
- tcp : TCP ping using Fathom sockets. Works between Fathom
nodes and with the measurement server(s).
Parameters:
| Name | Type | Description |
|---|---|---|
callback |
function | The callback function to invoke when results are available. |
dst |
string | The host to ping. |
opt |
object | The command line arguments. Valid keys include: count (default 3), interval (default 1000ms), packetsize (default 56B), proto (xmlhttpreq, ws, http, udp - default), port (default 5790), timeout (default 10s). |
incrementaloutput |
boolean | Send incremental output (optional - default false). |