Added explain handler. Input=DATABASE output=EXPLAIN

diff --git a/SimpleServer.pm b/SimpleServer.pm
index ba88897..1dc36d2 100644 (file)
--- a/SimpleServer.pm
+++ b/SimpleServer.pm
@@ -25,7 +25,7 @@
 ##
 ##
 
-## $Id: SimpleServer.pm,v 1.26 2006-04-19 13:17:52 sondberg Exp $
+## $Id: SimpleServer.pm,v 1.27 2006-06-02 16:03:25 quinn Exp $
 
 package Net::Z3950::SimpleServer;
 
@@ -86,6 +86,9 @@ sub launch_server {
        if (defined($self->{SORT})) {
                set_sort_handler($self->{SORT});
        }
+       if (defined($self->{EXPLAIN})) {
+               set_explain_handler($self->{EXPLAIN});
+       }
 
        start_server(@args);
 }
@@ -212,7 +215,8 @@ means of the SimpleServer object constructor
                        SEARCH  =>      \&my_search_handler,
                        PRESENT =>      \&my_present_handler,
                        SCAN    =>      \&my_scan_handler,
-                       FETCH   =>      \&my_fetch_handler);
+                       FETCH   =>      \&my_fetch_handler,
+                       EXPLAIN =>      \&my_explain_handler);
 
 If you want your SimpleServer to start a thread (threaded mode) to
 handle each incoming Z39.50 request instead of forking a process

diff --git a/SimpleServer.xs b/SimpleServer.xs
index 778042d..5be5f73 100644 (file)
--- a/SimpleServer.xs
+++ b/SimpleServer.xs
@@ -1,5 +1,5 @@
 /*
- * $Id: SimpleServer.xs,v 1.45 2006-06-02 10:06:11 sondberg Exp $ 
+ * $Id: SimpleServer.xs,v 1.46 2006-06-02 16:03:25 quinn Exp $ 
  * ----------------------------------------------------------------------
  * 
  * Copyright (c) 2000-2004, Index Data.
@@ -64,6 +64,7 @@ typedef struct {
        SV *esrequest_ref;
        SV *delete_ref;
        SV *scan_ref;
+       SV *explain_ref;
        NMEM nmem;
        int stop_flag;  /* is used to stop server prematurely .. */
 } Zfront_handle;
@@ -79,6 +80,7 @@ SV *present_ref = NULL;
 SV *esrequest_ref = NULL;
 SV *delete_ref = NULL;
 SV *scan_ref = NULL;
+SV *explain_ref = NULL;
 PerlInterpreter *root_perl_context;
 int MAX_OID = 15;
 
@@ -1284,6 +1286,46 @@ int bend_scan(void *handle, bend_scan_rr *rr)
         return 0;
 }
 
+int bend_explain(void *handle, bend_explain_rr *q)
+{
+       HV *href;
+       CV *handler_cv = 0;
+       SV **temp;
+       char *explain;
+       SV *explainsv;
+       STRLEN len;
+
+       dSP;
+       ENTER;
+       SAVETMPS;
+
+       href = newHV();
+       hv_store(href, "EXPLAIN", 7, newSVpv("", 0), 0);
+       hv_store(href, "DATABASE", 8, newSVpv(q->database, 0), 0);
+
+       PUSHMARK(sp);
+       XPUSHs(sv_2mortal(newRV((SV*) href)));
+       PUTBACK;
+
+       handler_cv = simpleserver_sv2cv(explain_ref);
+       perl_call_sv((SV*) handler_cv, G_SCALAR | G_DISCARD);
+
+       SPAGAIN;
+
+       temp = hv_fetch(href, "EXPLAIN", 7, 1);
+       explainsv = newSVsv(*temp);
+
+       PUTBACK;
+       FREETMPS;
+       LEAVE;
+
+       explain = SvPV(explainsv, len);
+       q->explain_buf = (char*) odr_malloc(q->stream, len + 1);
+       strcpy(q->explain_buf, explain);
+
+        return 0;
+}
+
 bend_initresult *bend_init(bend_initrequest *q)
 {
        int dummy = simpleserver_clone();
@@ -1328,6 +1370,10 @@ bend_initresult *bend_init(bend_initrequest *q)
        {
                q->bend_scan = bend_scan;
        }
+       if (explain_ref)
+       {
+               q->bend_explain = bend_explain;
+       }
 
                href = newHV(); 
        hv_store(href, "IMP_ID", 6, newSVpv("", 0), 0);
@@ -1520,6 +1566,11 @@ set_scan_handler(arg)
        CODE:
                scan_ref = newSVsv(arg);
 
+void
+set_explain_handler(arg)
+               SV *arg
+       CODE:
+               explain_ref = newSVsv(arg);
 
 int
 start_server(...)