refactor chan send in metrics
refactor chan send in metrics

pilwon/apex,llun/apex,apex/apex,ianrtracey/apex,apex/apex,ianrtracey/apex,apex/apex,apex/apex,pilwon/apex,tobyjoe/apex,DaveBlooman/apex,tobyjoe/apex,DaveBlooman/apex,llun/apex,ianrtracey/apex,ianrtracey/apex,DaveBlooman/apex,apex/apex,llun/apex,pilwon/apex,llun/apex,tobyjoe/apex,llun/apex,apex/apex,apex/apex,ianrtracey/apex,DaveBlooman/apex,DaveBlooman/apex,llun/apex,DaveBlooman/apex,ianrtracey/apex