#
-# $Id: z39util.tcl,v 1.8 1995/11/13 15:41:46 adam Exp $
+# $Id: z39util.tcl,v 1.15 1996/01/02 10:52:32 adam Exp $
#
proc saveState {} {
uplevel #0 {
}
}
-proc search-response {sno} {
+proc search-response {zz} {
global sessionWait
- set status [z39.$sno responseStatus]
+ set status [$zz responseStatus]
if {[lindex $status 0] == "NSD"} {
- z39.$sno nextResultSetPosition 0
+ $zz nextResultSetPosition 0
set code [lindex $status 1]
set msg [lindex $status 2]
set addinfo [lindex $status 3]
- html "<h2>Error NSD$code: $msg: $addinfo </h2><br>\n"
+ displayError "Diagnostic message" \
+ "$msg: $addinfo<br>\n(error code $code)"
+ set sessionWait -2
+ } else {
+ set sessionWait 1
+ }
+}
+
+proc scan-response {zz} {
+ global sessionWait
+
+ set status [$zz scanStatus]
+ if {$status == 6} {
+ displayError "Scan fail" ""
set sessionWait -2
} else {
set sessionWait 1
set indicator [lindex $line 1]
set fields [lindex $line 2]
set l [string length $indicator]
- html "$tag "
+ html "<tt>$tag "
if {$l > 0} {
for {set i 0} {$i < $l} {incr i} {
if {[string index $indicator $i] == " "} {
}
}
}
+ html "</tt>"
foreach field $fields {
set id [lindex $field 0]
set data [lindex $field 1]
}
html $cc
if {$ref != ""} {
- html {">} $urltype { reference</a>}
+ html {">} $cc {</a>}
}
}
if {"x$url" != "x"} {
html "<dt><b>URL</b>\n"
if {"x$sp" == "x"} {
- set sp reference
+ set sp $url
}
html {<dd><a href="} $url {">} [join $sp] "</a>\n"
}
}
}
-proc build-query {t} {
+proc build-scan {t ilines} {
+ global targets
+
+ for {set i 1} {$i <= $ilines} {incr i} {
+ set term [wform entry$i]
+ if {$term != ""} {
+ set field [wform menu$i]
+ foreach x [lindex $targets($t) 2] {
+ if {[lindex $x 0] == $field} {
+ set attr [lindex $x 1]
+ }
+ }
+ return [list $term $attr]
+ }
+ }
+ return ""
+}
+
+proc build-query {t ilines} {
global targets
set op {}
set q {}
- for {set i 1} {$i < 4} {incr i} {
+ for {set i 1} {$i <= $ilines} {incr i} {
set term [wform entry$i]
if {$term != ""} {
set field [wform menu$i]
}
switch $op {
And
- { set q "@and $q ${attr} \{${term}\}" }
+ { set q "@and $q ${attr} ${term}" }
Or
- { set q "@or $q ${attr} \{${term}\}" }
+ { set q "@or $q ${attr} ${term}" }
{And not}
- { set q "@not $q ${attr} \{${term}\}" }
+ { set q "@not $q ${attr} ${term}" }
{}
- { set q "${attr} \{${term}\}" }
+ { set q "${attr} ${term}" }
}
set op [wform logic$i]
}
return $q
}
+proc z39scan {setNo scanNo tno scanLines scanPos} {
+ global hist
+ global sessionWait
+ global targets
+
+ if {$tno > 0} {
+ set zz z39$tno
+ set host $hist($setNo,$tno,host)
+ set idAuth $hist($setNo,$tno,idAuthentication)
+ set database $hist($setNo,$tno,database)
+ set scanAttr $hist($setNo,$tno,scanAttr)
+ set scanTerm $hist($setNo,$tno,$scanNo,scanTerm)
+ } else {
+ set zz z39
+ set host $hist($setNo,host)
+ set idAuth $hist($setNo,idAuthentication)
+ set database $hist($setNo,database)
+ set scanAttr $hist($setNo,scanAttr)
+ set scanTerm $hist($setNo,$scanNo,scanTerm)
+ }
+ if {[catch [list $zz failback fail-response]]} {
+ ir $zz
+ }
+ if {[catch [list set oldHost [$zz connect]]]} {
+ set oldHost ""
+ }
+ set zs $zz.s$scanNo.$setNo
+ $zz callback ok-response
+ $zz failback fail-response
+ if {$oldHost != $host} {
+ catch [list $zz disconnect]
+
+ set sessionWait 0
+ if {[catch [list $zz connect $host]]} {
+ displayError "Cannot connect to target" $host
+ return 0
+ } elseif {$sessionWait == 0} {
+ if {[catch {zwait sessionWait 300}]} {
+ $zz disconnect
+ displayError "Cannot connect to target" $host
+ return 0
+ }
+ if {$sessionWait != 1} {
+ displayError "Cannot connect to target" $host
+ return 0
+ }
+ }
+ $zz idAuthentication $idAuth
+ set sessionWait 0
+ if {[catch {$zz init}]} {
+ displayError "Cannot initialize target" $host
+ $zz disconnect
+ return 0
+ }
+ if {[catch {zwait sessionWait 60}]} {
+ displayError "Cannot initialize target" $host
+ $zz disconnect
+ return 0
+ }
+ if {$sessionWait != "1"} {
+ displayError "Cannot initialize target" $host
+ $zz disconnect
+ return 0
+ }
+ if {![$zz initResult]} {
+ set u [$zz userInformationField]
+ $zz disconnect
+ displayError "Cannot initialize target $host" $u
+ return 0
+ }
+ } else {
+ if {![catch [list $zs numberOfTermsRequested 5]]} {
+ return 1
+ }
+ }
+ eval $zz databaseNames $database
+
+ ir-scan $zs $zz
+
+ $zs numberOfTermsRequested $scanLines
+ $zs preferredPositionInResponse $scanPos
+
+ $zz callback [list scan-response $zs]
+
+ set sessionWait 0
+ $zs scan "${scanAttr} ${scanTerm}"
+
+ if {[catch {zwait sessionWait 600}]} {
+ wlog debug "timeout/cancel in scan"
+ displayError "Timeout in scan" {}
+ html "</body></html>\n"
+ $zz disconnect
+ return 0
+ }
+ if {$sessionWait == -1} {
+ displayError "Scan fail" "Connection closed"
+ html "</body></html>\n"
+ $zz disconnect
+ }
+ if {$sessionWait != 1} {
+ return 0
+ }
+ return 1
+}
+
+proc display-scan {setNo scanNo tno} {
+ global hist
+ global targets
+
+ if {$tno > 0} {
+ set zz z39$tno
+ } else {
+ set zz z39
+ }
+ set zs $zz.s$scanNo.$setNo
+ set m [$zs numberOfEntriesReturned]
+
+ html "<dl>\n"
+ for {set i 0} {$i < $m} {incr i} {
+ html "<dt>"
+ html [lindex [$zs scanLine $i] 1]
+ html ": "
+ html [lindex [$zs scanLine $i] 2]
+ html "\n"
+ }
+ html "</dl>\n"
+}
+
proc z39search {setNo piggy tno elements} {
global hist
global sessionWait
+ global targets
if {$tno > 0} {
set zz z39$tno
set sessionWait 0
if {[catch [list $zz connect $host]]} {
- html "Cannot connect to target ${host} <br>\n"
+ displayError "Cannot connect to target" $host
return 0
} elseif {$sessionWait == 0} {
- zwait sessionWait
+ if {[catch {zwait sessionWait 300}]} {
+ $zz disconnect
+ displayError "Cannot connect to target" $host
+ return 0
+ }
if {$sessionWait != 1} {
- html "Cannot connect to target ${host} <br>\n"
+ displayError "Cannot connect to target" $host
return 0
}
}
$zz idAuthentication $idAuth
set sessionWait 0
- if {[catch [list $zz init]]} {
- html "Cannot initialize with target ${host} <br>\n"
+ if {[catch {$zz init}]} {
+ displayError "Cannot initialize target" $host
+ $zz disconnect
return 0
}
if {[catch {zwait sessionWait 60}]} {
- html "Cannot initialize with target ${host} <br>\n"
+ displayError "Cannot initialize target" $host
$zz disconnect
return 0
}
if {$sessionWait != "1"} {
- html "Cannot initialize with target ${host} <br>\n"
+ displayError "Cannot initialize target" $host
$zz disconnect
return 0
}
if {![$zz initResult]} {
set u [$zz userInformationField]
$zz disconnect
- html "Connection rejected by target: $u <br>\n"
+ displayError "Cannot initialize target $host" $u
return 0
}
- }
- if {![catch [list $zz.$setNo smallSetUpperBound 0]]} {
- return 1
+ } else {
+ if {[info exists hist($setNo,hits)] && \
+ ![catch [list $zz.$setNo smallSetUpperBound 0]]} {
+ return 1
+ }
+
}
ir-set $zz.$setNo $zz
+
+ if {![lindex $targets($host) 5]} {
+ set elements {}
+ }
$zz.$setNo smallSetElementSetNames $elements
$zz.$setNo mediumSetElementSetNames $elements
$zz.$setNo recordElements $elements
- eval $zz.$setNo databaseNames $database
+ wlog debug "database=$database"
+ eval $zz.$setNo databaseNames $database
$zz.$setNo preferredRecordSyntax USMARC
- $zz callback search-response $setNo
+ $zz callback [list search-response $zz.$setNo]
if {$piggy} {
$zz.$setNo largeSetLowerBound 999999
$zz.$setNo smallSetUpperBound 0
$zz.$setNo search $query
if {[catch {zwait sessionWait 600}]} {
+ wlog debug "timeout/cancel in search"
+ displayError "Timeout in search" {}
html "</body></html>\n"
$zz disconnect
return 0
}
- if {$sessionWait != 1} {
+ if {$sessionWait == -1} {
+ displayError "Search fail" "Connection closed"
html "</body></html>\n"
$zz disconnect
- return 0
}
- set status [$zz.$setNo responseStatus]
- if {[lindex $status 0] == "NSD"} {
- set code [lindex $status 1]
- set msg [lindex $status 2]
- set addinfo [lindex $status 3]
- html "<h2>Error NSD$code: $msg: $addinfo </h2><br>\n"
- return 0
+ if {$sessionWait != 1} {
+ return 0
}
set hist($setNo,hits) [$zz.$setNo resultCount]
return 1
global zleft
global zstatus
global hist
+ global targets
set not $hist($setNo,0,host)
set hist($setNo,$i,offset) 0
eval z39$i.$setNo databaseNames $hist($setNo,$i,database)
- z39$i.$setNo smallSetElementSetNames $elements
- z39$i.$setNo mediumSetElementSetNames $elements
- z39$i.$setNo recordElements $elements
+ 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 recordElements $thisElements
z39$i.$setNo preferredRecordSyntax USMARC
z39$i callback [list search-m-response $setNo $i]
proc z39present {setNo tno setOffset setMax dfunc elements} {
global hist
global sessionWait
+ global targets
if {$tno > 0} {
set zz z39$tno
+ set host $hist($setNo,$tno,host)
} else {
set zz z39
+ set host $hist($setNo,host)
+ }
+
+ if {![lindex $targets($host) 5]} {
+ set elements {}
}
$zz.$setNo elementSetNames $elements
$zz.$setNo recordElements $elements
set toGet [expr 1 + $setMax - $setOffset]
+
+ $zz callback [list search-response $zz.$setNo]
+
while {$setMax > 0 && $toGet > 0} {
for {set got 0} {$got < $toGet} {incr got} {
if {[$zz.$setNo type [expr $setOffset + $got]] == ""} {
set sessionWait 0
$zz.$setNo present $setOffset $toGet
if {[catch {zwait sessionWait 300}]} {
+ wlog debug "timeout/cancel in present"
$zz disconnect
break
}
+ if {$sessionWait == "0"} {
+ $zz disconnect
+ }
if {$sessionWait != "1"} {
break
}
if {![info exists nextSetNo]} {
return
}
- html "<hr><h3>History</h3><dl>\n"
+ html "<hr><h2>History</h2><dl><br>\n"
for {set setNo 1} {$setNo < $nextSetNo} {incr setNo} {
html {<dt> <a href="http:} $env(SCRIPT_NAME)
html / $sessionId {/search.egw/} $setNo + 1
- html + [expr $hist($setNo,maxPresent) - 1]
+ html + $hist($setNo,maxPresent)
html {"> } [lindex $targets($hist($setNo,host)) 0]
if {[llength $hist($setNo,database)] > 1} {
html ": "
}
html "</dl>\n"
}
+
+proc displayError {msga msgb} {
+ html "<p><center>\n"
+ html {<img src="/gif/noway.gif" alt="Error">}
+ html "<h2>" $msga "</h2>\n"
+ if {$msgb != ""} {
+ html "<h3>" $msgb "</h3>\n"
+ }
+ html "</center><p>\n"
+}
+
+set useIcons 1