Corrected a memory leak, one more to go.
[simpleserver-moved-to-github.git] / SimpleServer.c
index 8114689..9756c54 100644 (file)
  */
 
 /*$Log: SimpleServer.c,v $
-/*Revision 1.8  2001-03-13 14:19:28  sondberg
-/*Added a modified version of ztest.pl called grs_test.pl, which shows how to
-/*implement support of GRS-1 record syntax.
+/*Revision 1.13  2001-08-30 13:15:11  sondberg
+/*Corrected a memory leak, one more to go.
+/*
+/*Revision 1.10  2001/08/29 11:48:36  sondberg
+/*Added routines
+/*
+/*     Net::Z3950::SimpleServer::ScanSuccess
+/*     Net::Z3950::SimpleServer::ScanPartial
+/*
+/*and a bit of documentation.
+/*
+/*Revision 1.9  2001/08/24 14:00:20  sondberg
+/*Added support for scan.
+/*
+/*Revision 1.8  2001/05/21 11:07:02  sondberg
+/*Extended maximum numbers of GRS-1 elements. Should be done dynamically.
 /*
 /*Revision 1.7  2001/03/13 14:17:15  sondberg
 /*Added support for GRS-1.
@@ -53,7 +66,7 @@
 #include <unistd.h>
 #include <stdlib.h>
 #include <ctype.h>
-#define GRS_MAX_FIELDS 50
+#define GRS_MAX_FIELDS 500 
 #ifdef ASN_COMPILED
 #include <yaz/ill.h>
 #endif
@@ -135,6 +148,11 @@ Z_GenericRecord *read_grs1(char *str, ODR o)
                        odr_malloc(o, sizeof(Z_TaggedElement*) * GRS_MAX_FIELDS);
                        r->num_elements = 0;
                }
+               if (r->num_elements > GRS_MAX_FIELDS)
+               {
+                       yaz_log(LOG_WARN, "Max number of GRS-1 elements exceeded [GRS_MAX_FIELDS=%d]", GRS_MAX_FIELDS);
+                       exit(0);
+               }
                r->elements[r->num_elements] = t = (Z_TaggedElement *) odr_malloc(o, sizeof(Z_TaggedElement));
                t->tagType = (int *)odr_malloc(o, sizeof(int));
                *t->tagType = type;
@@ -780,8 +798,130 @@ int bend_delete(void *handle, bend_delete_rr *rr)
 
 int bend_scan(void *handle, bend_scan_rr *rr)
 {
-       perl_call_sv(scan_ref, G_VOID | G_DISCARD | G_NOARGS);
-       return 0;
+        HV *href;
+       AV *aref;
+       AV *list;
+       AV *entries;
+       HV *scan_item;
+       struct scan_entry *scan_list;
+       struct scan_entry *buffer;
+       int *step_size = rr->step_size;
+       int i;
+       char **basenames;
+       SV **temp;
+       SV *err_code = sv_newmortal();
+       SV *err_str = sv_newmortal();
+       SV *point = sv_newmortal();
+       SV *status = sv_newmortal();
+       SV *number = sv_newmortal();
+       char *ptr;
+       char *ODR_errstr;
+       STRLEN len;
+       int term_len;
+       SV *term_tmp;
+       
+       Zfront_handle *zhandle = (Zfront_handle *)handle;
+
+       dSP;
+       ENTER;
+       SAVETMPS;
+       href = newHV();
+       list = newAV();
+       if (rr->term->term->which == Z_Term_general)
+       {
+               term_len = rr->term->term->u.general->len;
+               hv_store(href, "TERM", 4, newSVpv(rr->term->term->u.general->buf, term_len), 0);
+       } else {
+               rr->errcode = 229;      /* Unsupported term type */
+               return 0;
+       }
+       hv_store(href, "STEP", 4, newSViv(*step_size), 0);
+       hv_store(href, "NUMBER", 6, newSViv(rr->num_entries), 0);
+       hv_store(href, "POS", 3, newSViv(rr->term_position), 0);
+       hv_store(href, "ERR_CODE", 8, newSViv(0), 0);
+       hv_store(href, "ERR_STR", 7, newSVpv("", 0), 0);
+       hv_store(href, "HANDLE", 6, zhandle->handle, 0);
+       hv_store(href, "STATUS", 6, newSViv(BEND_SCAN_SUCCESS), 0);
+       hv_store(href, "ENTRIES", 7, newRV((SV *) list), 0);
+        aref = newAV();
+        basenames = rr->basenames;
+        for (i = 0; i < rr->num_bases; i++)
+        {
+                av_push(aref, newSVpv(*basenames++, 0));
+        }
+       hv_store(href, "DATABASES", 9, newRV( (SV*) aref), 0);
+
+       PUSHMARK(sp);
+
+       XPUSHs(sv_2mortal(newRV( (SV*) href)));
+
+       PUTBACK;
+
+       perl_call_sv(scan_ref, G_SCALAR | G_DISCARD);
+
+       SPAGAIN;
+
+       temp = hv_fetch(href, "ERR_CODE", 8, 1);
+       err_code = newSVsv(*temp);
+
+       temp = hv_fetch(href, "ERR_STR", 7, 1);
+       err_str = newSVsv(*temp);
+
+       temp = hv_fetch(href, "HANDLE", 6, 1);
+       point = newSVsv(*temp);
+
+       temp = hv_fetch(href, "STATUS", 6, 1);
+       status = newSVsv(*temp);
+       
+       temp = hv_fetch(href, "NUMBER", 6, 1);
+       number = newSVsv(*temp);
+
+       temp = hv_fetch(href, "ENTRIES", 7, 1);
+       entries = (AV *)SvRV(newSVsv(*temp));
+
+       PUTBACK;
+       FREETMPS;
+       LEAVE;
+
+       ptr = SvPV(err_str, len);
+       ODR_errstr = (char *)odr_malloc(rr->stream, len + 1);
+       strcpy(ODR_errstr, ptr);
+       rr->errstring = ODR_errstr;
+       rr->errcode = SvIV(err_code);
+       rr->num_entries = SvIV(number);
+       rr->status = SvIV(status);
+        scan_list = (struct scan_entry *) odr_malloc (rr->stream, rr->num_entries * sizeof(*scan_list));
+       buffer = scan_list;
+       for (i = 0; i < rr->num_entries; i++)
+       {
+               scan_item = (HV *)SvRV_noinc(sv_2mortal(av_shift(entries)));
+               temp = hv_fetch(scan_item, "TERM", 4, 1);
+               ptr = SvPV(*temp, len);
+               buffer->term = (char *) odr_malloc (rr->stream, len + 1); 
+               strcpy(buffer->term, ptr);
+               temp = hv_fetch(scan_item, "OCCURRENCE", 10, 1); 
+               buffer->occurrences = SvIV(*temp);
+               buffer++;
+               hv_undef(scan_item);
+               /*sv_free((SV *)scan_item);*/
+       }
+       rr->entries = scan_list;
+       zhandle->handle = point;
+       handle = zhandle;
+       sv_free(err_code);
+       sv_free(err_str);
+       sv_free(status);
+       sv_free(number);
+       hv_undef(href);
+       sv_free((SV *)href);
+       av_undef(aref);
+       sv_free((SV *)aref);
+       av_undef(list);
+       sv_free((SV *)list);
+       av_undef(entries);
+       sv_free((SV *)entries);
+
+        return 0;
 }
 
 
@@ -821,7 +961,10 @@ bend_initresult *bend_init(bend_initrequest *q)
        {
                q->bend_fetch = bend_fetch;
        }
-       /*q->bend_scan = bend_scan;*/
+       if (scan_ref)
+       {
+               q->bend_scan = bend_scan;
+       }
                href = newHV(); 
        hv_store(href, "IMP_NAME", 8, newSVpv("", 0), 0);
        hv_store(href, "IMP_VER", 7, newSVpv("", 0), 0);
@@ -912,17 +1055,17 @@ void bend_close(void *handle)
 }
 
 
-#line 912 "SimpleServer.c"
+#line 1056 "SimpleServer.c"
 XS(XS_Net__Z3950__SimpleServer_set_init_handler)
 {
     dXSARGS;
     if (items != 1)
-       Perl_croak(aTHX_ "Usage: Net::Z3950::SimpleServer::set_init_handler(arg)");
+       croak("Usage: Net::Z3950::SimpleServer::set_init_handler(arg)");
     {
        SV *    arg = ST(0);
-#line 908 "SimpleServer.xs"
+#line 1052 "SimpleServer.xs"
                init_ref = newSVsv(arg);
-#line 922 "SimpleServer.c"
+#line 1066 "SimpleServer.c"
     }
     XSRETURN_EMPTY;
 }
@@ -931,12 +1074,12 @@ XS(XS_Net__Z3950__SimpleServer_set_close_handler)
 {
     dXSARGS;
     if (items != 1)
-       Perl_croak(aTHX_ "Usage: Net::Z3950::SimpleServer::set_close_handler(arg)");
+       croak("Usage: Net::Z3950::SimpleServer::set_close_handler(arg)");
     {
        SV *    arg = ST(0);
-#line 915 "SimpleServer.xs"
+#line 1059 "SimpleServer.xs"
                close_ref = newSVsv(arg);
-#line 936 "SimpleServer.c"
+#line 1080 "SimpleServer.c"
     }
     XSRETURN_EMPTY;
 }
@@ -945,12 +1088,12 @@ XS(XS_Net__Z3950__SimpleServer_set_sort_handler)
 {
     dXSARGS;
     if (items != 1)
-       Perl_croak(aTHX_ "Usage: Net::Z3950::SimpleServer::set_sort_handler(arg)");
+       croak("Usage: Net::Z3950::SimpleServer::set_sort_handler(arg)");
     {
        SV *    arg = ST(0);
-#line 922 "SimpleServer.xs"
+#line 1066 "SimpleServer.xs"
                sort_ref = newSVsv(arg);
-#line 950 "SimpleServer.c"
+#line 1094 "SimpleServer.c"
     }
     XSRETURN_EMPTY;
 }
@@ -959,12 +1102,12 @@ XS(XS_Net__Z3950__SimpleServer_set_search_handler)
 {
     dXSARGS;
     if (items != 1)
-       Perl_croak(aTHX_ "Usage: Net::Z3950::SimpleServer::set_search_handler(arg)");
+       croak("Usage: Net::Z3950::SimpleServer::set_search_handler(arg)");
     {
        SV *    arg = ST(0);
-#line 928 "SimpleServer.xs"
+#line 1072 "SimpleServer.xs"
                search_ref = newSVsv(arg);
-#line 964 "SimpleServer.c"
+#line 1108 "SimpleServer.c"
     }
     XSRETURN_EMPTY;
 }
@@ -973,12 +1116,12 @@ XS(XS_Net__Z3950__SimpleServer_set_fetch_handler)
 {
     dXSARGS;
     if (items != 1)
-       Perl_croak(aTHX_ "Usage: Net::Z3950::SimpleServer::set_fetch_handler(arg)");
+       croak("Usage: Net::Z3950::SimpleServer::set_fetch_handler(arg)");
     {
        SV *    arg = ST(0);
-#line 935 "SimpleServer.xs"
+#line 1079 "SimpleServer.xs"
                fetch_ref = newSVsv(arg);
-#line 978 "SimpleServer.c"
+#line 1122 "SimpleServer.c"
     }
     XSRETURN_EMPTY;
 }
@@ -987,12 +1130,12 @@ XS(XS_Net__Z3950__SimpleServer_set_present_handler)
 {
     dXSARGS;
     if (items != 1)
-       Perl_croak(aTHX_ "Usage: Net::Z3950::SimpleServer::set_present_handler(arg)");
+       croak("Usage: Net::Z3950::SimpleServer::set_present_handler(arg)");
     {
        SV *    arg = ST(0);
-#line 942 "SimpleServer.xs"
+#line 1086 "SimpleServer.xs"
                present_ref = newSVsv(arg);
-#line 992 "SimpleServer.c"
+#line 1136 "SimpleServer.c"
     }
     XSRETURN_EMPTY;
 }
@@ -1001,12 +1144,12 @@ XS(XS_Net__Z3950__SimpleServer_set_esrequest_handler)
 {
     dXSARGS;
     if (items != 1)
-       Perl_croak(aTHX_ "Usage: Net::Z3950::SimpleServer::set_esrequest_handler(arg)");
+       croak("Usage: Net::Z3950::SimpleServer::set_esrequest_handler(arg)");
     {
        SV *    arg = ST(0);
-#line 949 "SimpleServer.xs"
+#line 1093 "SimpleServer.xs"
                esrequest_ref = newSVsv(arg);
-#line 1006 "SimpleServer.c"
+#line 1150 "SimpleServer.c"
     }
     XSRETURN_EMPTY;
 }
@@ -1015,12 +1158,12 @@ XS(XS_Net__Z3950__SimpleServer_set_delete_handler)
 {
     dXSARGS;
     if (items != 1)
-       Perl_croak(aTHX_ "Usage: Net::Z3950::SimpleServer::set_delete_handler(arg)");
+       croak("Usage: Net::Z3950::SimpleServer::set_delete_handler(arg)");
     {
        SV *    arg = ST(0);
-#line 956 "SimpleServer.xs"
+#line 1100 "SimpleServer.xs"
                delete_ref = newSVsv(arg);
-#line 1020 "SimpleServer.c"
+#line 1164 "SimpleServer.c"
     }
     XSRETURN_EMPTY;
 }
@@ -1029,12 +1172,12 @@ XS(XS_Net__Z3950__SimpleServer_set_scan_handler)
 {
     dXSARGS;
     if (items != 1)
-       Perl_croak(aTHX_ "Usage: Net::Z3950::SimpleServer::set_scan_handler(arg)");
+       croak("Usage: Net::Z3950::SimpleServer::set_scan_handler(arg)");
     {
        SV *    arg = ST(0);
-#line 963 "SimpleServer.xs"
+#line 1107 "SimpleServer.xs"
                scan_ref = newSVsv(arg);
-#line 1034 "SimpleServer.c"
+#line 1178 "SimpleServer.c"
     }
     XSRETURN_EMPTY;
 }
@@ -1043,16 +1186,15 @@ XS(XS_Net__Z3950__SimpleServer_start_server)
 {
     dXSARGS;
     {
-#line 969 "SimpleServer.xs"
+#line 1113 "SimpleServer.xs"
                char **argv;
                char **argv_buf;
                char *ptr;
                int i;
                STRLEN len;
-#line 1049 "SimpleServer.c"
+#line 1193 "SimpleServer.c"
        int     RETVAL;
-       dXSTARG;
-#line 975 "SimpleServer.xs"
+#line 1119 "SimpleServer.xs"
                argv_buf = (char **)xmalloc((items + 1) * sizeof(char *));
                argv = argv_buf;
                for (i = 0; i < items; i++)
@@ -1064,8 +1206,41 @@ XS(XS_Net__Z3950__SimpleServer_start_server)
                *argv_buf = NULL;
 
                RETVAL = statserv_main(items, argv, bend_init, bend_close);
-#line 1064 "SimpleServer.c"
-       XSprePUSH; PUSHi((IV)RETVAL);
+#line 1207 "SimpleServer.c"
+       ST(0) = sv_newmortal();
+       sv_setiv(ST(0), (IV)RETVAL);
+    }
+    XSRETURN(1);
+}
+
+XS(XS_Net__Z3950__SimpleServer_ScanSuccess)
+{
+    dXSARGS;
+    if (items != 0)
+       croak("Usage: Net::Z3950::SimpleServer::ScanSuccess()");
+    {
+       int     RETVAL;
+#line 1137 "SimpleServer.xs"
+               RETVAL = BEND_SCAN_SUCCESS;
+#line 1223 "SimpleServer.c"
+       ST(0) = sv_newmortal();
+       sv_setiv(ST(0), (IV)RETVAL);
+    }
+    XSRETURN(1);
+}
+
+XS(XS_Net__Z3950__SimpleServer_ScanPartial)
+{
+    dXSARGS;
+    if (items != 0)
+       croak("Usage: Net::Z3950::SimpleServer::ScanPartial()");
+    {
+       int     RETVAL;
+#line 1144 "SimpleServer.xs"
+               RETVAL = BEND_SCAN_PARTIAL;
+#line 1239 "SimpleServer.c"
+       ST(0) = sv_newmortal();
+       sv_setiv(ST(0), (IV)RETVAL);
     }
     XSRETURN(1);
 }
@@ -1090,6 +1265,8 @@ XS(boot_Net__Z3950__SimpleServer)
         newXS("Net::Z3950::SimpleServer::set_delete_handler", XS_Net__Z3950__SimpleServer_set_delete_handler, file);
         newXS("Net::Z3950::SimpleServer::set_scan_handler", XS_Net__Z3950__SimpleServer_set_scan_handler, file);
         newXS("Net::Z3950::SimpleServer::start_server", XS_Net__Z3950__SimpleServer_start_server, file);
+        newXS("Net::Z3950::SimpleServer::ScanSuccess", XS_Net__Z3950__SimpleServer_ScanSuccess, file);
+        newXS("Net::Z3950::SimpleServer::ScanPartial", XS_Net__Z3950__SimpleServer_ScanPartial, file);
     XSRETURN_YES;
 }