ComputePerfStats takes arrays of Latency & Throughput to compute Statistics.

GetFreePort asks the kernel for a free open port that is ready to use.

IsConnRefusedErr - Checks for "connection refused" errors.

IsConnResetErr - Checks for "connection reset" errors.

IsNetworkOrHostDown - if there was a network error or if the host is down.

ParseHost - parses string into Host.

ParseHTTPURL - parses a string into HTTP URL, string is expected to be of form http:// or https://.

ParsePort - parses string into Port.

ParseURL - parses string into URL.

Host - holds network host IP/name and its port.

A TCPConfig structure is used to configure a TCP client or server connections.

Port - network port.

URL - improved JSON friendly url.URL.