X-Git-Url: http://git.indexdata.com/?p=simpleserver-moved-to-github.git;a=blobdiff_plain;f=SimpleServer.xs;h=94decda46b1d8fe7c64a6256f6b7427f53f17f9a;hp=e783166ea25b9a5ab7175aace3eabcbaa3865f5a;hb=a26a9d435eacd4ad233ab67bf7c90440e367e691;hpb=f9991f4bea920ffc0951fede99e6e96d48922b0c diff --git a/SimpleServer.xs b/SimpleServer.xs index e783166..94decda 100644 --- a/SimpleServer.xs +++ b/SimpleServer.xs @@ -1,5 +1,5 @@ /* - * $Id: SimpleServer.xs,v 1.62 2007-05-23 07:55:07 adam Exp $ + * $Id: SimpleServer.xs,v 1.77 2007-09-07 16:54:01 mike Exp $ * ---------------------------------------------------------------------- * * Copyright (c) 2000-2004, Index Data. @@ -32,6 +32,7 @@ #include "proto.h" #include "embed.h" #include "XSUB.h" +#include #include #include #include @@ -56,8 +57,10 @@ YAZ_MUTEX simpleserver_mutex; typedef struct { - SV *handle; - + SV *ghandle; /* Global handle specified at creation */ + SV *handle; /* Per-connection handle set at Init */ +#if 0 +/* ### These callback-reference elements are never used! */ SV *init_ref; SV *close_ref; SV *sort_ref; @@ -68,12 +71,14 @@ typedef struct { SV *delete_ref; SV *scan_ref; SV *explain_ref; +#endif /*0*/ NMEM nmem; int stop_flag; /* is used to stop server prematurely .. */ } Zfront_handle; #define ENABLE_STOP_SERVER 0 +SV *_global_ghandle = NULL; /* To be copied into zhandle then ignored */ SV *init_ref = NULL; SV *close_ref = NULL; SV *sort_ref = NULL; @@ -88,6 +93,28 @@ PerlInterpreter *root_perl_context; #define GRS_BUF_SIZE 8192 + +/* + * Inspects the SV indicated by svp, and returns a null pointer if + * it's an undefined value, or a string allocation from `stream' + * otherwise. Using this when filling in addinfo avoids those + * irritating "Use of uninitialized value in subroutine entry" + * warnings from Perl. + */ +char *string_or_undef(SV **svp, ODR stream) { + STRLEN len; + char *ptr, *buf; + + if (!SvOK(*svp)) + return 0; + + ptr = SvPV(*svp, len); + buf = (char*) odr_malloc(stream, len+1); + strcpy(buf, ptr); + return buf; +} + + CV * simpleserver_sv2cv(SV *handler) { STRLEN len; char *buf; @@ -369,69 +396,97 @@ static SV *translateOID(Odr_oid *x) } +static SV *apt2perl(Z_AttributesPlusTerm *at) +{ + SV *sv; + HV *hv; + AV *av; + + if (at->term->which != Z_Term_general) + fatal("can't handle RPN terms other than general"); + + sv = newObject("Net::Z3950::RPN::Term", (SV*) (hv = newHV())); + if (at->attributes) { + int i; + SV *attrs = newObject("Net::Z3950::RPN::Attributes", + (SV*) (av = newAV())); + for (i = 0; i < at->attributes->num_attributes; i++) { + Z_AttributeElement *elem = at->attributes->attributes[i]; + HV *hv2; + SV *tmp = newObject("Net::Z3950::RPN::Attribute", + (SV*) (hv2 = newHV())); + if (elem->attributeSet) + setMember(hv2, "attributeSet", + translateOID(elem->attributeSet)); + setMember(hv2, "attributeType", + newSViv(*elem->attributeType)); + if (elem->which == Z_AttributeValue_numeric) { + setMember(hv2, "attributeValue", + newSViv(*elem->value.numeric)); + } else { + assert(elem->which == Z_AttributeValue_complex); + Z_ComplexAttribute *c = elem->value.complex; + Z_StringOrNumeric *son; + /* We ignore semantic actions and multiple values */ + assert(c->num_list > 0); + son = c->list[0]; + if (son->which == Z_StringOrNumeric_numeric) { + setMember(hv2, "attributeValue", + newSViv(*son->u.numeric)); + } else { /*Z_StringOrNumeric_string*/ + setMember(hv2, "attributeValue", + newSVpv(son->u.string, 0)); + } + } + av_push(av, tmp); + } + setMember(hv, "attributes", attrs); + } + setMember(hv, "term", newSVpv((char*) at->term->u.general->buf, + at->term->u.general->len)); + return sv; +} + + static SV *rpn2perl(Z_RPNStructure *s) { SV *sv; HV *hv; AV *av; + Z_Operand *o; switch (s->which) { - case Z_RPNStructure_simple: { - Z_Operand *o = s->u.simple; - Z_AttributesPlusTerm *at; - if (o->which == Z_Operand_resultSetId) { - SV *sv2; + case Z_RPNStructure_simple: + o = s->u.simple; + switch (o->which) { + case Z_Operand_resultSetId: { /* This code causes a SIGBUS on my machine, and I have no idea why. It seems as clear as day to me */ + SV *sv2; char *rsid = (char*) o->u.resultSetId; - printf("Encoding resultSetId '%s'\n", rsid); + /*printf("Encoding resultSetId '%s'\n", rsid);*/ sv = newObject("Net::Z3950::RPN::RSID", (SV*) (hv = newHV())); - printf("Made sv=0x%lx, hv=0x%lx\n", - (unsigned long) sv ,(unsigned long) hv); + /*printf("Made sv=0x%lx, hv=0x%lx\n", (unsigned long) sv ,(unsigned long) hv);*/ sv2 = newSVpv(rsid, strlen(rsid)); setMember(hv, "id", sv2); - printf("Set hv{id} to 0x%lx\n", (unsigned long) sv2); + /*printf("Set hv{id} to 0x%lx\n", (unsigned long) sv2);*/ return sv; } - if (o->which != Z_Operand_APT) - fatal("can't handle RPN simples other than APT and RSID"); - at = o->u.attributesPlusTerm; - if (at->term->which != Z_Term_general) - fatal("can't handle RPN terms other than general"); - - sv = newObject("Net::Z3950::RPN::Term", (SV*) (hv = newHV())); - if (at->attributes) { - int i; - SV *attrs = newObject("Net::Z3950::RPN::Attributes", - (SV*) (av = newAV())); - for (i = 0; i < at->attributes->num_attributes; i++) { - Z_AttributeElement *elem = at->attributes->attributes[i]; - HV *hv2; - SV *tmp = newObject("Net::Z3950::RPN::Attribute", - (SV*) (hv2 = newHV())); - if (elem->attributeSet) - setMember(hv2, "attributeSet", - translateOID(elem->attributeSet)); - setMember(hv2, "attributeType", - newSViv(*elem->attributeType)); - assert(elem->which == Z_AttributeValue_numeric); - setMember(hv2, "attributeValue", - newSViv(*elem->value.numeric)); - av_push(av, tmp); - } - setMember(hv, "attributes", attrs); + + case Z_Operand_APT: + return apt2perl(o->u.attributesPlusTerm); + + default: + fatal("unknown RPN simple type %d", (int) o->which); } - setMember(hv, "term", newSVpv((char*) at->term->u.general->buf, - at->term->u.general->len)); - return sv; - } + case Z_RPNStructure_complex: { SV *tmp; Z_Complex *c = s->u.complex; char *type = 0; /* vacuous assignment satisfies gcc -Wall */ switch (c->roperator->which) { - case Z_Operator_and: type = "Net::Z3950::RPN::And"; break; - case Z_Operator_or: type = "Net::Z3950::RPN::Or"; break; + case Z_Operator_and: type = "Net::Z3950::RPN::And"; break; + case Z_Operator_or: type = "Net::Z3950::RPN::Or"; break; case Z_Operator_and_not: type = "Net::Z3950::RPN::AndNot"; break; case Z_Operator_prox: fatal("proximity not yet supported"); default: fatal("unknown RPN operator %d", (int) c->roperator->which); @@ -445,9 +500,11 @@ static SV *rpn2perl(Z_RPNStructure *s) av_push(av, tmp); return sv; } - default: fatal("unknown RPN node type %d", (int) s->which); - } + default: + fatal("unknown RPN node type %d", (int) s->which); + } + return 0; } @@ -613,6 +670,7 @@ int bend_sort(void *handle, bend_sort_rr *rr) hv_store(href, "INPUT", 5, newRV( (SV*) aref), 0); hv_store(href, "OUTPUT", 6, newSVpv(rr->output_setname, 0), 0); hv_store(href, "SEQUENCE", 8, newRV( (SV*) sort_seq), 0); + hv_store(href, "GHANDLE", 7, newSVsv(zhandle->ghandle), 0); hv_store(href, "HANDLE", 6, zhandle->handle, 0); hv_store(href, "STATUS", 6, newSViv(0), 0); hv_store(href, "ERR_CODE", 8, newSViv(0), 0); @@ -674,12 +732,9 @@ int bend_search(void *handle, bend_search_rr *rr) HV *href; AV *aref; SV **temp; - char *ODR_errstr; - STRLEN len; int i; char **basenames; WRBUF query; - char *ptr; SV *point; Zfront_handle *zhandle = (Zfront_handle *)handle; CV* handler_cv = 0; @@ -710,6 +765,7 @@ int bend_search(void *handle, bend_search_rr *rr) hv_store(href, "ERR_STR", 7, newSVpv("", 0), 0); hv_store(href, "HITS", 4, newSViv(0), 0); hv_store(href, "DATABASES", 9, newRV( (SV*) aref), 0); + hv_store(href, "GHANDLE", 7, newSVsv(zhandle->ghandle), 0); hv_store(href, "HANDLE", 6, zhandle->handle, 0); hv_store(href, "PID", 3, newSViv(getpid()), 0); if ((rpnSV = zquery2perl(rr->query)) != 0) { @@ -748,10 +804,7 @@ int bend_search(void *handle, bend_search_rr *rr) rr->errcode = SvIV(*temp); temp = hv_fetch(href, "ERR_STR", 7, 1); - ptr = SvPV(*temp, len); - ODR_errstr = (char *)odr_malloc(rr->stream, len + 1); - strcpy(ODR_errstr, ptr); - rr->errstring = ODR_errstr; + rr->errstring = string_or_undef(temp, rr->stream); temp = hv_fetch(href, "HANDLE", 6, 1); point = newSVsv(*temp); @@ -771,6 +824,78 @@ int bend_search(void *handle, bend_search_rr *rr) } +/* ### I am not 100% about the memory management in this handler */ +int bend_delete(void *handle, bend_delete_rr *rr) +{ + Zfront_handle *zhandle = (Zfront_handle *)handle; + HV *href; + CV* handler_cv; + int i; + SV **temp; + SV *point; + + dSP; + ENTER; + SAVETMPS; + + href = newHV(); + hv_store(href, "GHANDLE", 7, newSVsv(zhandle->ghandle), 0); + hv_store(href, "HANDLE", 6, zhandle->handle, 0); + hv_store(href, "STATUS", 6, newSViv(0), 0); + + PUSHMARK(sp); + XPUSHs(sv_2mortal(newRV( (SV*) href))); + PUTBACK; + + handler_cv = simpleserver_sv2cv(delete_ref); + + if (rr->function == 1) { + /* Delete all result sets in the session */ + perl_call_sv( (SV *) handler_cv, G_SCALAR | G_DISCARD); + temp = hv_fetch(href, "STATUS", 6, 1); + rr->delete_status = SvIV(*temp); + } else { + rr->delete_status = 0; + /* + * For some reason, deleting two or more result-sets in + * one operation goes horribly wrong, and ### I don't have + * time to debug it right now. + */ + if (rr->num_setnames > 1) { + rr->delete_status = 3; /* "System problem at target" */ + /* There's no way to sent delete-msg using the GFS */ + return; + } + + for (i = 0; i < rr->num_setnames; i++) { + hv_store(href, "SETNAME", 7, newSVpv(rr->setnames[i], 0), 0); + perl_call_sv( (SV *) handler_cv, G_SCALAR | G_DISCARD); + temp = hv_fetch(href, "STATUS", 6, 1); + rr->statuses[i] = SvIV(*temp); + if (rr->statuses[i] != 0) + rr->delete_status = rr->statuses[i]; + } + } + + SPAGAIN; + + temp = hv_fetch(href, "HANDLE", 6, 1); + point = newSVsv(*temp); + + hv_undef(href); + + zhandle->handle = point; + + sv_free( (SV*) href); + + PUTBACK; + FREETMPS; + LEAVE; + + return 0; +} + + int bend_fetch(void *handle, bend_fetch_rr *rr) { HV *href; @@ -806,6 +931,9 @@ int bend_fetch(void *handle, bend_fetch_rr *rr) hv_store(href, "SETNAME", 7, newSVpv(rr->setname, 0), 0); if (rr->schema) hv_store(href, "SCHEMA", 6, newSVpv(rr->schema, 0), 0); + else + hv_store(href, "SCHEMA", 6, newSVpv("", 0), 0); + temp = hv_store(href, "OFFSET", 6, newSViv(rr->number), 0); if (rr->request_format != 0) { oid_dotted = oid2dotted(rr->request_format); @@ -822,6 +950,7 @@ int bend_fetch(void *handle, bend_fetch_rr *rr) hv_store(href, "ERR_CODE", 8, newSViv(0), 0); hv_store(href, "ERR_STR", 7, newSVpv("", 0), 0); hv_store(href, "SUR_FLAG", 8, newSViv(0), 0); + hv_store(href, "GHANDLE", 7, newSVsv(zhandle->ghandle), 0); hv_store(href, "HANDLE", 6, zhandle->handle, 0); hv_store(href, "PID", 3, newSViv(getpid()), 0); if (rr->comp) @@ -837,6 +966,8 @@ int bend_fetch(void *handle, bend_fetch_rr *rr) else { rr->errcode = 26; + rr->errstring = odr_strdup(rr->stream, "non-generic 'simple' composition"); + return 0; } } else if (composition->which == Z_RecordComp_complex) @@ -855,8 +986,8 @@ int bend_fetch(void *handle, bend_fetch_rr *rr) else { #if 0 /* For now ignore this error, which is ubiquitous in SRU */ - fprintf(stderr, "complex is weird\n"); rr->errcode = 26; + rr->errstring = odr_strdup(rr->stream, "'complex' composition is not generic ESN"); return 0; #endif /*0*/ } @@ -864,6 +995,7 @@ int bend_fetch(void *handle, bend_fetch_rr *rr) else { rr->errcode = 26; + rr->errstring = odr_strdup(rr->stream, "composition neither simple nor complex"); return 0; } } @@ -1004,6 +1136,7 @@ int bend_present(void *handle, bend_present_rr *rr) SAVETMPS; href = newHV(); + hv_store(href, "GHANDLE", 7, newSVsv(zhandle->ghandle), 0); hv_store(href, "HANDLE", 6, zhandle->handle, 0); hv_store(href, "ERR_CODE", 8, newSViv(0), 0); hv_store(href, "ERR_STR", 7, newSVpv("", 0), 0); @@ -1027,6 +1160,7 @@ int bend_present(void *handle, bend_present_rr *rr) else { rr->errcode = 26; + rr->errstring = odr_strdup(rr->stream, "non-generic 'simple' composition"); return 0; } } @@ -1046,12 +1180,14 @@ int bend_present(void *handle, bend_present_rr *rr) else { rr->errcode = 26; + rr->errstring = odr_strdup(rr->stream, "'complex' composition is not generic ESN"); return 0; } } else { rr->errcode = 26; + rr->errstring = odr_strdup(rr->stream, "composition neither simple nor complex"); return 0; } } @@ -1110,13 +1246,6 @@ int bend_esrequest(void *handle, bend_esrequest_rr *rr) } -int bend_delete(void *handle, bend_delete_rr *rr) -{ - perl_call_sv(delete_ref, G_VOID | G_DISCARD | G_NOARGS); - return 0; -} - - int bend_scan(void *handle, bend_scan_rr *rr) { HV *href; @@ -1142,12 +1271,19 @@ int bend_scan(void *handle, bend_scan_rr *rr) SV *entries_ref; Zfront_handle *zhandle = (Zfront_handle *)handle; CV* handler_cv = 0; + SV *rpnSV; dSP; ENTER; SAVETMPS; href = newHV(); list = newAV(); + + /* RPN is better than TERM since it includes attributes */ + if ((rpnSV = apt2perl(rr->term)) != 0) { + setMember(href, "RPN", rpnSV); + } + if (rr->term->term->which == Z_Term_general) { term_len = rr->term->term->u.general->len; @@ -1161,6 +1297,7 @@ int bend_scan(void *handle, bend_scan_rr *rr) 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, "GHANDLE", 7, newSVsv(zhandle->ghandle), 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); @@ -1215,7 +1352,7 @@ int bend_scan(void *handle, bend_scan_rr *rr) scan_list = (struct scan_entry *) odr_malloc (rr->stream, rr->num_entries * sizeof(*scan_list)); buffer = scan_list; entries = (AV *)SvRV(entries_ref); - for (i = 0; i < rr->num_entries; i++) + if (rr->errcode == 0) for (i = 0; i < rr->num_entries; i++) { scan_item = (HV *)SvRV(sv_2mortal(av_shift(entries))); temp = hv_fetch(scan_item, "TERM", 4, 1); @@ -1264,6 +1401,7 @@ int bend_explain(void *handle, bend_explain_rr *q) href = newHV(); hv_store(href, "EXPLAIN", 7, newSVpv("", 0), 0); hv_store(href, "DATABASE", 8, newSVpv(q->database, 0), 0); + hv_store(href, "GHANDLE", 7, newSVsv(zhandle->ghandle), 0); hv_store(href, "HANDLE", 6, zhandle->handle, 0); PUSHMARK(sp); @@ -1308,6 +1446,7 @@ bend_initresult *bend_init(bend_initrequest *q) ENTER; SAVETMPS; + zhandle->ghandle = _global_ghandle; zhandle->nmem = nmem; zhandle->stop_flag = 0; @@ -1324,7 +1463,9 @@ bend_initresult *bend_init(bend_initrequest *q) q->bend_present = bend_present; } /*q->bend_esrequest = bend_esrequest;*/ - /*q->bend_delete = bend_delete;*/ + if (delete_ref) { + q->bend_delete = bend_delete; + } if (fetch_ref) { q->bend_fetch = bend_fetch; @@ -1345,6 +1486,7 @@ bend_initresult *bend_init(bend_initrequest *q) hv_store(href, "ERR_CODE", 8, newSViv(0), 0); hv_store(href, "ERR_STR", 7, newSViv(0), 0); hv_store(href, "PEER_NAME", 9, newSVpv(q->peer_name, 0), 0); + hv_store(href, "GHANDLE", 7, newSVsv(zhandle->ghandle), 0); hv_store(href, "HANDLE", 6, newSVsv(&sv_undef), 0); hv_store(href, "PID", 3, newSViv(getpid()), 0); if (q->auth) { @@ -1433,6 +1575,7 @@ void bend_close(void *handle) if (close_ref) { href = newHV(); + hv_store(href, "GHANDLE", 7, newSVsv(zhandle->ghandle), 0); hv_store(href, "HANDLE", 6, zhandle->handle, 0); PUSHMARK(sp); @@ -1469,6 +1612,13 @@ PROTOTYPES: DISABLE void +set_ghandle(arg) + SV *arg + CODE: + _global_ghandle = newSVsv(arg); + + +void set_init_handler(arg) SV *arg CODE: @@ -1588,3 +1738,12 @@ yazlog(arg) char *ptr; ptr = SvPV(arg, len); yaz_log(YLOG_LOG, "%.*s", len, ptr); + +int +yaz_diag_srw_to_bib1(srw_code) + int srw_code + +int +yaz_diag_bib1_to_srw(bib1_code) + int bib1_code +