Work on search in multiple targets.

[egate.git] / www / z39util.tcl

diff --git a/www/z39util.tcl b/www/z39util.tcl
index 19b9a0e..796fdd2 100644 (file)
--- a/www/z39util.tcl
+++ b/www/z39util.tcl
@@ -1,5 +1,5 @@
 #
-# $Id: z39util.tcl,v 1.1 1995/11/06 17:44:23 adam Exp $
+# $Id: z39util.tcl,v 1.2 1995/11/07 14:57:00 adam Exp $
 #
 proc saveState {} {
     uplevel #0 {
@@ -137,18 +137,17 @@ proc display-full {zset no} {
     }
 }
 
-proc display-rec {from to dfunc} {
+proc display-rec {from to dfunc zz} {
     global setNo
 
     while {$from <= $to} { 
-        eval "$dfunc z39.$setNo $from"
+        eval "$dfunc $zz.$setNo $from"
         incr from
     }
 }
 
-proc build-query {} {
+proc build-query {t} {
     global targets
-    global t
 
     set op {}
     set q {}
@@ -255,6 +254,129 @@ proc z39search {setNo piggy} {
     return 1
 }
 
+proc init-m-response {i} {
+    global zstatus
+    global zleft
+
+    wlog debug "init-m-response"
+
+    set zstatus($i) 1
+    incr zleft -1
+}
+
+proc connect-m-response {i} {
+    global zstatus
+    global zleft
+
+    wlog debug "connect-m-response"
+    z39$i callback [list init-m-response $i]
+    if {[catch {z39$i init}]} {
+        set zstatus($i) -1
+        incr zleft -1
+    }
+}
+
+proc fail-m-response {i} {
+    global zstatus
+    global zleft
+    
+    wlog debug "fail-m-response"
+    set zstatus($i) -1
+    incr zleft -1
+}
+
+proc search-m-response {setNo i} {
+    global zleft
+    global zstatus
+
+    incr zleft -1
+    set zstatus($i) 2
+}
+
+proc z39msearch {setNo piggy} {
+    global zleft
+    global zstatus
+    global hist
+
+    set not $hist($setNo,0,host)
+
+    for {set i 1} {$i <= $not} {incr i} {
+        set host $hist($setNo,$i,host)
+        if {[catch {z39 failback fail-response}]} {
+            ir z39$i
+        }
+        if {[catch {set oldHost [z39$i connect]}]} {
+            set oldHost ""
+        }
+        if {$oldHost != $host} {
+            catch {z39$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,$i,host)
+        if {$oldHost == $host} {
+            set zstatus($i) 1
+            continue
+        }
+        html "Connecting to target " $host " <br>\n"
+        set zstatus($i) -1
+        if {![catch {z39$i connect $host}]} {
+            incr zleft
+        } 
+    }
+    while {$zleft > 0} {
+        wlog debug "Waiting for init response"
+        if {[catch {zwait zleft 10}]} {
+            break
+        }
+    }
+    set zleft 0
+    for {set i 1} {$i <= $not} {incr i} {
+        html "host " $hist($setNo,$i,host) ": "
+        if {$zstatus($i) >= 1} {
+            html "ok <br>\n"
+            ir-set z39$i.$setNo z39$i
+            set hist($setNo,$i,offset) 0
+            eval z39$i.$setNo databaseNames $hist($setNo,$i,database)
+            z39$i.$setNo preferredRecordSyntax USMARC
+            z39$i callback [list search-m-response $setNo $i]
+
+            if {$piggy} {
+                z39$i.$setNo largeSetLowerBound 999999
+                z39$i.$setNo smallSetUpperBound 0
+                z39$i.$setNo mediumSetPresentNumber $hist($setNo,maxPresent)
+            } else {
+                z39$i.$setNo largeSetLowerBound 2
+                z39$i.$setNo smallSetUpperBound 0
+                z39$i.$setNo mediumSetPresentNumber 0
+            }
+            set zstatus($i) 1
+            wlog debug "search " $hist($setNo,$i,query)
+            z39$i.$setNo search $hist($setNo,$i,query)
+            incr zleft
+        } else {
+            html "fail <br>\n"
+        }
+    }
+    while {$zleft > 0} {
+        wlog debug "Waiting for search response"
+        if {[catch {zwait zleft 30}]} {
+            break
+        }
+    }
+    for {set i 1} {$i <= $not} {incr i} {
+        if {$zstatus($i) != 2} continue
+        set status [z39$i.$setNo responseStatus]
+        if {[lindex $status 0] != "NSD"} {
+            set hist($setNo,$i,offset) [z39$i.$setNo numberOfRecordsReturned]
+        }
+    }
+}
+
 proc z39present {setNo setOffset setMax dfunc} {
     global hist
     global sessionWait