+proc init-m-response {i} {
+ global zstatus
+ global zleft
+
+ egw_log debug "init-m-response"
+
+ incr zleft -1
+ if {![z39$i initResult]} {
+ set zstatus($i) -1
+ z39$i disconnect
+ return
+ }
+ set zstatus($i) 1
+}
+
+proc connect-m-response {i} {
+ global zstatus
+ global zleft
+
+ egw_log debug "connect-m-response"
+ z39$i callback [list init-m-response $i]
+ if {[catch {z39$i init}]} {
+ set zstatus($i) -1
+ incr zleft -1
+ }
+}
+
+proc fail-m-response {i} {
+ global zstatus
+ global zleft
+
+ egw_log debug "fail-m-response"
+ set zstatus($i) -1
+ incr zleft -1
+}
+
+proc search-m-response {setNo i start number} {
+ global zleft
+ global zstatus
+ global hist
+
+ egw_log debug "search-m-response"
+ set status [z39$i.$setNo responseStatus]
+ egw_log debug "search-m-response1"
+ if {[lindex $status 0] != "DBOSD"} {
+ egw_log debug "search-m-response2"
+ incr zleft -1
+ set zstatus($i) 2
+ return
+ }
+ set nor [z39$i.$setNo numberOfRecordsReturned]
+ egw_log debug "search-m-response3"
+ set hist($setNo,$i,offset) [expr $start + $nor -1]
+ if {[expr $nor + $start] > [z39$i.$setNo resultCount]} {
+ egw_log debug "search-m-response4"
+ incr zleft -1
+ set zstatus($i) 2
+ return
+ }
+ egw_log debug "search-m-response5"
+ if {$nor >= $number} {
+ egw_log debug "search-m-response6 nor=$nor number=$number"
+ incr zleft -1
+ set zstatus($i) 2
+ return
+ }
+ egw_log debug "search-m-response7"
+ set start [expr $start + $nor]
+ set number [expr $number - $nor]
+ if {[expr $start + $number - 1] > [z39$i.$setNo resultCount]} {
+ set number [expr [z39$i.$setNo resultCount] - $start + 1]
+ }
+ z39$i callback [list search-m-response $setNo $i $start $number]
+ egw_log debug "mpresent start=$number number=$number"
+ z39$i.$setNo present $start $number
+}
+
+proc z39msearch {setNo elements start number cache} {
+ global zleft
+ global zstatus
+ global hist
+ global targets
+ global debug
+
+ set not $hist($setNo,0,host)
+
+ egw_log debug "z39msearch start=$start number=$number elements=$elements"
+ for {set i 1} {$i <= $not} {incr i} {
+ set host $hist($setNo,$i,host)
+ if {[catch [list z39$i failback fail-m-response $i]]} {
+ ir z39$i
+ }
+ set oldHost [z39$i connect]
+ set thisHost [splitHostSpec $host]
+ if {$oldHost != $thisHost} {
+ catch {z39$i disconnect}
+ }
+ z39$i callback [list connect-m-response $i]
+ z39$i failback [list fail-m-response $i]
+ }
+ set zleft 0
+ for {set i 1} {$i <= $not} {incr i} {
+ set oldHost [z39$i connect]
+ set host $hist($setNo,$i,host)
+ set thisHost [splitHostSpec $host]
+ if {$oldHost == $thisHost} {
+ continue
+ }
+ egw_log debug "old=$oldHost this=$thisHost"
+ z39$i idAuthentication $hist($setNo,$i,idAuthentication)
+ html "Connecting to target " $thisHost " <br>\n"
+ set zstatus($i) -1
+ if {![catch {z39$i connect $thisHost}]} {
+ incr zleft
+ }
+ }
+ while {$zleft > 0} {
+ egw_log debug "Waiting for init response"
+ if {[catch {egw_wait zleft 20}]} {
+ break
+ }
+ }
+ set zleft 0
+ for {set i 1} {$i <= $not} {incr i} {
+ if {$debug} {
+ html "host " [splitHostSpec $hist($setNo,$i,host)] ": "
+ }
+ egw_log debug "i=$i zstatus=$zstatus($i)"
+ if {$zstatus($i) < 1} {
+ if {$debug} {
+ html "fail<br>\n"
+ }
+ continue
+ }
+ if {[catch [list z39$i.$setNo preferredRecordSyntax USMARC]]} {
+ if {$debug} {
+ html "ok<br>\n"
+ }
+ ir-set z39$i.$setNo z39$i
+ set hist($setNo,$i,offset) 0
+ eval z39$i.$setNo databaseNames $hist($setNo,$i,database)
+
+ if {![lindex $targets($hist($setNo,$i,host)) 5]} {
+ set thisElements {}
+ } else {
+ set thisElements $elements
+ }
+ z39$i.$setNo smallSetElementSetNames $thisElements
+ z39$i.$setNo mediumSetElementSetNames $thisElements
+ z39$i.$setNo elementSetNames $thisElements
+ z39$i.$setNo recordElements $thisElements
+
+ z39$i.$setNo preferredRecordSyntax USMARC
+ z39$i callback [list search-m-response $setNo $i $start $number]
+
+ if {$start == 1} {
+ z39$i.$setNo largeSetLowerBound 999999
+ z39$i.$setNo smallSetUpperBound 0
+ z39$i.$setNo mediumSetPresentNumber $number
+ } else {
+ z39$i.$setNo largeSetLowerBound 2
+ z39$i.$setNo smallSetUpperBound 0
+ z39$i.$setNo mediumSetPresentNumber 0
+ }
+ set zstatus($i) 1
+ incr zleft
+ egw_log debug "setNo=$setNo msearch " $hist($setNo,$i,query)
+ z39$i.$setNo search $hist($setNo,$i,query)
+ } elseif {[z39$i.$setNo resultCount] >= $start} {
+ if {[expr $start + $number - 1] > [z39$i.$setNo resultCount]} {
+ set tnumber [expr [z39$i.$setNo resultCount] - $start + 1]
+ } else {
+ set tnumber $number
+ }
+ if {![lindex $targets($hist($setNo,$i,host)) 5]} {
+ set thisElements {}
+ } else {
+ set thisElements $elements
+ }
+ z39$i.$setNo smallSetElementSetNames $thisElements
+ z39$i.$setNo mediumSetElementSetNames $thisElements
+ z39$i.$setNo elementSetNames $thisElements
+ z39$i.$setNo recordElements $thisElements
+
+ for {set n 0} {$n < $tnumber} {incr n} {
+ if {[z39$i.$setNo recordType [expr $start + $n]] == ""} {
+ if {$n > 0} {
+ egw_log debug "failed on $n"
+ }
+ if {$debug} {
+ html "no record at #" [expr $start + $n]
+ html " el=-" $thisElements "-"
+ }
+ break
+ }
+ }
+ if {$n == $tnumber} {
+ if {$debug} {
+ html "cached<br>\n"
+ }
+ continue
+ }
+
+ html "present<br>\n"
+ z39$i.$setNo preferredRecordSyntax USMARC
+ z39$i callback [list search-m-response $setNo $i $start $tnumber]
+ incr zleft
+ egw_log debug "mpresent start=$start number=$tnumber"
+ z39$i.$setNo present $start $tnumber
+ } else {
+ if {$debug} {
+ html "ok<br>\n"
+ }
+ }
+ }
+ while {$zleft > 0} {
+ egw_log debug "Waiting for search/present response"
+ if {[catch {egw_wait zleft 60}]} {
+ break
+ }
+ }
+ for {set i 1} {$i <= $not} {incr i} {
+ if {$zstatus($i) != 2} continue
+ set status [z39$i.$setNo responseStatus]
+ if {0 && [lindex $status 0] != "NSD"} {
+ set hist($setNo,$i,offset) [z39$i.$setNo numberOfRecordsReturned]
+ }
+ }
+}
+
+proc z39present {setNo tno setOffset setMax dfunc elements} {