- if {[catch {z39 connect $host}]} {
- htmlr "Cannot connect to target ${host} <br>"
- htmlr "</body></html>"
- wabort
- } elseif {$sessionWait == 0} {
+ z39 failback fail-response
+ if {$host != $oldHost} {
+ catch {z39 disconnect}
+
+ set sessionWait 0
+ if {[catch {z39 connect $host}]} {
+ html "Cannot connect to target ${host} <br>\n"
+ html "</body></html>\n"
+ wabort
+ } elseif {$sessionWait == 0} {
+ zwait sessionWait
+ if {$sessionWait != 1} {
+ html "Cannot connect to target ${host} <br>\n"
+ html "</body></html>\n"
+ wabort
+ }
+ }
+ set sessionWait 0
+ z39 idAuthentication $hist($setNo,idAuthentication)
+ if {[catch {z39 init}]} {
+ htmlr "Cannot initialize with target ${host} <br>"
+ htmlr "</body></html>"
+ wabort
+ }