CA-326244: don't take thread local table lock during logging
CA-326244: don't take thread local table lock during logging

By using a reference to an immutable Map instead of a Hashtable.

Signed-off-by: Gabor Igloi <7535f5501fd71876c93d896691e178fd3a11cfbb@citrix.com>

xapi-project/message-switch,xapi-project/message-switch,xapi-project/message-switch