.. _ping_cli: ping //// :: ping ---- Check if server is running on given host/port. Result reported to standard output. Usage: --ping --host=mach --port=3144 # Check if server alive on host mach & port 3144 --ping --host=fred # Check if server alive on host fred and port ECF_PORT, # otherwise default port of 3141 --ping # Check if server alive by using environment variables # ECF_HOST and ECF_PORT If ECF_HOST not defined uses 'localhost', if ECF_PORT not defined assumes 3141 The client reads in the following environment variables. These are read by user and child command |----------|----------|------------|-------------------------------------------------------------------| | Name | Type | Required | Description | |----------|----------|------------|-------------------------------------------------------------------| | ECF_HOST | | Mandatory* | The host name of the main server. defaults to 'localhost' | | ECF_PORT | | Mandatory* | The TCP/IP port to call on the server. Must be unique to a server | | ECF_SSL | | Optional* | Enable encrypted comms with SSL enabled server. | |----------|----------|------------|-------------------------------------------------------------------| * The host and port must be specified in order for the client to communicate with the server, this can be done by setting ECF_HOST, ECF_PORT or by specifying --host= --port= on the command line