public AgentInfo getAgent(String ip, String name) {
		return agentInfoStore.getAgentInfo(createAgentKey(ip, name));
	}
Get the available agent count map in all regions of the user, including
the free agents and user specified agents.

@param userId current user id
@return user available agent count map
ngrinder-controller/src/main/java/org/ngrinder/agent/service/AgentService.java