Performance Metric kcml.tcp.open

Summary

TCP/IP Socket open

Send Condition

OPEN #hSock ... "@" & SOAP client

Overview

Records the opening of a TCP/IP socket. The metric is always produced even if the socket failed to open, in such cases the error value will contain the reason for failure. The time taken to for a socket client to connect can depend not only on the quality of the network connection to the server but also on the time taken to resolve the server's name using DNS.

Statistics

Name	Type	Description
address	string	I.P. address or host name
port	num	Port number
time	usec	Time spent connecting in micro-seconds
dnstime	usec	Time spent resolving name via DNS in micro-seconds
ssl	bool	True if socket uses SSL encryption
tls_ver	string	Version of TLS being used
error	string	Error message
handle	num	Socket handle
server	bool	True if socket has been opened in server mode

General Form

kcml.tcp.open,address=string,port=num,time=usec,dnstime=usec,ssl=bool,tls_ver=string,error=string,handle=num,server=bool