X-Git-Url: http://git.indexdata.com/?a=blobdiff_plain;f=src%2Futil.cpp;h=a6b57be4b73800850b8242c0bdfc82a21c4ea091;hb=7dcf766ccdb4773635481a86b1a43c3c86c32d42;hp=8bb34f972460f46d5b6ac89c8e77a222fc28cf6a;hpb=79100c2ae2dac4bdde4f4d46b69e147562b4ec6c;p=metaproxy-moved-to-github.git diff --git a/src/util.cpp b/src/util.cpp index 8bb34f9..a6b57be 100644 --- a/src/util.cpp +++ b/src/util.cpp @@ -1,26 +1,201 @@ -/* $Id: util.cpp,v 1.14 2006-03-16 10:40:59 adam Exp $ - Copyright (c) 2005-2006, Index Data. +/* This file is part of Metaproxy. + Copyright (C) 2005-2011 Index Data -%LICENSE% - */ +Metaproxy is free software; you can redistribute it and/or modify it under +the terms of the GNU General Public License as published by the Free +Software Foundation; either version 2, or (at your option) any later +version. + +Metaproxy is distributed in the hope that it will be useful, but WITHOUT ANY +WARRANTY; without even the implied warranty of MERCHANTABILITY or +FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License +for more details. + +You should have received a copy of the GNU General Public License +along with this program; if not, write to the Free Software +Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA +*/ #include "config.hpp" +#include #include #include #include -#include // for yaz_query_to_wrbuf() -#include "util.hpp" +#include +#include -//#include +#include namespace mp = metaproxy_1; -void mp::util::piggyback(int smallSetUpperBound, - int largeSetLowerBound, - int mediumSetPresentNumber, - int result_set_size, - int &number_to_present) +// Doxygen doesn't like mp::util, so we use this instead +namespace mp_util = metaproxy_1::util; + +const char * +mp_util::record_composition_to_esn(Z_RecordComposition *comp) +{ + if (comp && comp->which == Z_RecordComp_complex) + { + if (comp->u.complex->generic + && comp->u.complex->generic->elementSpec + && (comp->u.complex->generic->elementSpec->which == + Z_ElementSpec_elementSetName)) + return comp->u.complex->generic->elementSpec->u.elementSetName; + } + else if (comp && comp->which == Z_RecordComp_simple && + comp->u.simple->which == Z_ElementSetNames_generic) + return comp->u.simple->u.generic; + return 0; +} + + + +std::string mp_util::http_header_value(const Z_HTTP_Header* header, + const std::string name) +{ + while (header && header->name + && std::string(header->name) != name) + header = header->next; + + if (header && header->name && std::string(header->name) == name + && header->value) + return std::string(header->value); + + return std::string(); +} + +std::string mp_util::http_headers_debug(const Z_HTTP_Request &http_req) +{ + std::string message("\n\n

" + "Metaproxy SRUtoZ3950 filter" + "

\n"); + + message += "

HTTP Info

\n"; + message += "

\n"; + message += "Method: " + std::string(http_req.method) + "
\n"; + message += "Version: " + std::string(http_req.version) + "
\n"; + message += "Path: " + std::string(http_req.path) + "
\n"; + + message += "Content-Type:" + + mp_util::http_header_value(http_req.headers, "Content-Type") + + "
\n"; + message += "Content-Length:" + + mp_util::http_header_value(http_req.headers, "Content-Length") + + "
\n"; + message += "

\n"; + + message += "

Headers

\n"; + message += "

\n"; + Z_HTTP_Header* header = http_req.headers; + while (header){ + message += "Header: " + + std::string(header->name) + ": " + + std::string(header->value) + "
\n"; + header = header->next; + } + message += "

\n"; + message += "\n\n"; + return message; +} + + +void mp_util::http_response(metaproxy_1::Package &package, + const std::string &content, + int http_code) +{ + + Z_GDU *zgdu_req = package.request().get(); + Z_GDU *zgdu_res = 0; + mp::odr odr; + zgdu_res + = odr.create_HTTP_Response(package.session(), + zgdu_req->u.HTTP_Request, + http_code); + + zgdu_res->u.HTTP_Response->content_len = content.size(); + zgdu_res->u.HTTP_Response->content_buf + = (char*) odr_malloc(odr, zgdu_res->u.HTTP_Response->content_len); + + strncpy(zgdu_res->u.HTTP_Response->content_buf, + content.c_str(), zgdu_res->u.HTTP_Response->content_len); + + //z_HTTP_header_add(odr, &hres->headers, + // "Content-Type", content_type.c_str()); + package.response() = zgdu_res; +} + + +int mp_util::memcmp2(const void *buf1, int len1, + const void *buf2, int len2) +{ + int d = len1 - len2; + + // compare buffer (common length) + int c = memcmp(buf1, buf2, d > 0 ? len2 : len1); + if (c > 0) + return 1; + else if (c < 0) + return -1; + + // compare (remaining bytes) + if (d > 0) + return 1; + else if (d < 0) + return -1; + return 0; +} + + +std::string mp_util::database_name_normalize(const std::string &s) +{ + std::string r = s; + size_t i; + for (i = 0; i < r.length(); i++) + { + int ch = r[i]; + if (ch >= 'A' && ch <= 'Z') + r[i] = ch + 'a' - 'A'; + } + return r; + +} + +void mp_util::piggyback_sr(Z_SearchRequest *sreq, + Odr_int result_set_size, + Odr_int &number_to_present, + const char **element_set_name) +{ + Z_ElementSetNames *esn; + const char *smallSetElementSetNames = 0; + const char *mediumSetElementSetNames = 0; + + esn = sreq->smallSetElementSetNames; + if (esn && esn->which == Z_ElementSetNames_generic) + smallSetElementSetNames = esn->u.generic; + + esn = sreq->mediumSetElementSetNames; + if (esn && esn->which == Z_ElementSetNames_generic) + mediumSetElementSetNames = esn->u.generic; + + piggyback(*sreq->smallSetUpperBound, + *sreq->largeSetLowerBound, + *sreq->mediumSetPresentNumber, + smallSetElementSetNames, + mediumSetElementSetNames, + result_set_size, + number_to_present, + element_set_name); +} + +void mp_util::piggyback(Odr_int smallSetUpperBound, + Odr_int largeSetLowerBound, + Odr_int mediumSetPresentNumber, + const char *smallSetElementSetNames, + const char *mediumSetElementSetNames, + Odr_int result_set_size, + Odr_int &number_to_present, + const char **element_set_name) { // deal with piggyback @@ -28,11 +203,16 @@ void mp::util::piggyback(int smallSetUpperBound, { // small set . Return all records in set number_to_present = result_set_size; + if (element_set_name && smallSetElementSetNames) + *element_set_name = smallSetElementSetNames; + } else if (result_set_size > largeSetLowerBound) { // large set . Return no records number_to_present = 0; + if (element_set_name) + *element_set_name = 0; } else { @@ -40,11 +220,13 @@ void mp::util::piggyback(int smallSetUpperBound, number_to_present = mediumSetPresentNumber; if (number_to_present > result_set_size) number_to_present = result_set_size; + if (element_set_name && mediumSetElementSetNames) + *element_set_name = mediumSetElementSetNames; } } - -bool mp::util::pqf(ODR odr, Z_APDU *apdu, const std::string &q) { +bool mp_util::pqf(ODR odr, Z_APDU *apdu, const std::string &q) +{ YAZ_PQF_Parser pqf_parser = yaz_pqf_create(); Z_RPNQuery *rpn = yaz_pqf_parse(pqf_parser, odr, q.c_str()); @@ -63,7 +245,7 @@ bool mp::util::pqf(ODR odr, Z_APDU *apdu, const std::string &q) { } -std::string mp::util::zQueryToString(Z_Query *query) +std::string mp_util::zQueryToString(Z_Query *query) { std::string query_str = ""; @@ -82,7 +264,7 @@ std::string mp::util::zQueryToString(Z_Query *query) query_str = std::string(wrbuf_buf(w), wrbuf_len(w)); // destroy wrbuf - wrbuf_free(w, 1); + wrbuf_destroy(w); } } @@ -105,8 +287,8 @@ std::string mp::util::zQueryToString(Z_Query *query) return query_str; } -void mp::util::get_default_diag(Z_DefaultDiagFormat *r, - int &error_code, std::string &addinfo) +void mp_util::get_default_diag(Z_DefaultDiagFormat *r, + int &error_code, std::string &addinfo) { error_code = *r->condition; switch (r->which) @@ -120,8 +302,8 @@ void mp::util::get_default_diag(Z_DefaultDiagFormat *r, } } -void mp::util::get_init_diagnostics(Z_InitResponse *initrs, - int &error_code, std::string &addinfo) +void mp_util::get_init_diagnostics( + Z_InitResponse *initrs, int &error_code, std::string &addinfo) { Z_External *uif = initrs->userInformationField; @@ -152,19 +334,20 @@ void mp::util::get_init_diagnostics(Z_InitResponse *initrs, } } -int mp::util::get_vhost_otherinfo(Z_OtherInformation **otherInformation, - bool remove_flag, - std::list &vhosts) +int mp_util::get_or_remove_vhost_otherinfo( + Z_OtherInformation **otherInformation, + bool remove_flag, + std::list &vhosts) { int cat; for (cat = 1; ; cat++) { // check virtual host const char *vhost = - yaz_oi_get_string_oidval(otherInformation, - VAL_PROXY, - cat /* categoryValue */, - remove_flag /* delete flag */); + yaz_oi_get_string_oid(otherInformation, + yaz_oid_userinfo_proxy, + cat /* categoryValue */, + remove_flag /* delete flag */); if (!vhost) break; vhosts.push_back(std::string(vhost)); @@ -173,21 +356,44 @@ int mp::util::get_vhost_otherinfo(Z_OtherInformation **otherInformation, return cat; } -void mp::util::set_vhost_otherinfo(Z_OtherInformation **otherInformation, - ODR odr, - const std::list &vhosts) +void mp_util::get_vhost_otherinfo( + Z_OtherInformation *otherInformation, + std::list &vhosts) +{ + get_or_remove_vhost_otherinfo(&otherInformation, false, vhosts); +} + +int mp_util::remove_vhost_otherinfo( + Z_OtherInformation **otherInformation, + std::list &vhosts) +{ + return get_or_remove_vhost_otherinfo(otherInformation, true, vhosts); +} + +void mp_util::set_vhost_otherinfo( + Z_OtherInformation **otherInformation, ODR odr, + const std::list &vhosts) { int cat; std::list::const_iterator it = vhosts.begin(); + for (cat = 1; it != vhosts.end() ; cat++, it++) { - yaz_oi_set_string_oidval(otherInformation, odr, - VAL_PROXY, cat, it->c_str()); + yaz_oi_set_string_oid(otherInformation, odr, + yaz_oid_userinfo_proxy, cat, it->c_str()); } } -void mp::util::split_zurl(std::string zurl, std::string &host, - std::list &db) +void mp_util::set_vhost_otherinfo( + Z_OtherInformation **otherInformation, ODR odr, + const std::string vhost, const int cat) +{ + yaz_oi_set_string_oid(otherInformation, odr, + yaz_oid_userinfo_proxy, cat, vhost.c_str()); +} + +void mp_util::split_zurl(std::string zurl, std::string &host, + std::list &db) { const char *zurl_cstr = zurl.c_str(); const char *sep = strchr(zurl_cstr, '/'); @@ -216,8 +422,9 @@ void mp::util::split_zurl(std::string zurl, std::string &host, } } -bool mp::util::set_databases_from_zurl(ODR odr, std::string zurl, - int *db_num, char ***db_strings) +bool mp_util::set_databases_from_zurl( + ODR odr, std::string zurl, + int *db_num, char ***db_strings) { std::string host; std::list dblist; @@ -255,8 +462,8 @@ mp::odr::operator ODR() const return m_odr; } -Z_APDU *mp::odr::create_close(Z_APDU *in_apdu, - int reason, const char *addinfo) +Z_APDU *mp::odr::create_close(const Z_APDU *in_apdu, + int reason, const char *addinfo) { Z_APDU *apdu = create_APDU(Z_APDU_close, in_apdu); @@ -266,20 +473,25 @@ Z_APDU *mp::odr::create_close(Z_APDU *in_apdu, return apdu; } -Z_APDU *mp::odr::create_APDU(int type, Z_APDU *in_apdu) +Z_APDU *mp::odr::create_APDU(int type, const Z_APDU *in_apdu) { return mp::util::create_APDU(m_odr, type, in_apdu); } -Z_APDU *mp::util::create_APDU(ODR odr, int type, Z_APDU *in_apdu) +Z_APDU *mp_util::create_APDU(ODR odr, int type, const Z_APDU *in_apdu) { Z_APDU *out_apdu = zget_APDU(odr, type); + transfer_referenceId(odr, in_apdu, out_apdu); + return out_apdu; +} - Z_ReferenceId **id_to = mp::util::get_referenceId(out_apdu); +void mp_util::transfer_referenceId(ODR odr, const Z_APDU *src, Z_APDU *dst) +{ + Z_ReferenceId **id_to = mp::util::get_referenceId(dst); *id_to = 0; - if (in_apdu) + if (src) { - Z_ReferenceId **id_from = mp::util::get_referenceId(in_apdu); + Z_ReferenceId **id_from = mp::util::get_referenceId(src); if (id_from && *id_from && id_to) { *id_to = (Z_ReferenceId*) odr_malloc (odr, sizeof(**id_to)); @@ -290,11 +502,10 @@ Z_APDU *mp::util::create_APDU(ODR odr, int type, Z_APDU *in_apdu) else if (id_to) *id_to = 0; } - return out_apdu; } -Z_APDU *mp::odr::create_initResponse(Z_APDU *in_apdu, - int error, const char *addinfo) +Z_APDU *mp::odr::create_initResponse(const Z_APDU *in_apdu, + int error, const char *addinfo) { Z_APDU *apdu = create_APDU(Z_APDU_initResponse, in_apdu); if (error) @@ -303,11 +514,18 @@ Z_APDU *mp::odr::create_initResponse(Z_APDU *in_apdu, zget_init_diagnostics(m_odr, error, addinfo); *apdu->u.initResponse->result = 0; } + apdu->u.initResponse->implementationName = + odr_prepend(m_odr, "Metaproxy", + apdu->u.initResponse->implementationName); + apdu->u.initResponse->implementationVersion = + odr_prepend(m_odr, + VERSION, apdu->u.initResponse->implementationVersion); + return apdu; } -Z_APDU *mp::odr::create_searchResponse(Z_APDU *in_apdu, - int error, const char *addinfo) +Z_APDU *mp::odr::create_searchResponse(const Z_APDU *in_apdu, + int error, const char *addinfo) { Z_APDU *apdu = create_APDU(Z_APDU_searchResponse, in_apdu); if (error) @@ -323,8 +541,8 @@ Z_APDU *mp::odr::create_searchResponse(Z_APDU *in_apdu, return apdu; } -Z_APDU *mp::odr::create_presentResponse(Z_APDU *in_apdu, - int error, const char *addinfo) +Z_APDU *mp::odr::create_presentResponse(const Z_APDU *in_apdu, + int error, const char *addinfo) { Z_APDU *apdu = create_APDU(Z_APDU_presentResponse, in_apdu); if (error) @@ -340,8 +558,8 @@ Z_APDU *mp::odr::create_presentResponse(Z_APDU *in_apdu, return apdu; } -Z_APDU *mp::odr::create_scanResponse(Z_APDU *in_apdu, - int error, const char *addinfo) +Z_APDU *mp::odr::create_scanResponse(const Z_APDU *in_apdu, + int error, const char *addinfo) { Z_APDU *apdu = create_APDU(Z_APDU_scanResponse, in_apdu); Z_ScanResponse *res = apdu->u.scanResponse; @@ -368,7 +586,7 @@ Z_APDU *mp::odr::create_scanResponse(Z_APDU *in_apdu, } Z_GDU *mp::odr::create_HTTP_Response(mp::Session &session, - Z_HTTP_Request *hreq, int code) + Z_HTTP_Request *hreq, int code) { const char *response_version = "1.0"; bool keepalive = false; @@ -400,7 +618,7 @@ Z_GDU *mp::odr::create_HTTP_Response(mp::Session &session, return gdu; } -Z_ReferenceId **mp::util::get_referenceId(Z_APDU *apdu) +Z_ReferenceId **mp_util::get_referenceId(const Z_APDU *apdu) { switch (apdu->which) { @@ -458,8 +676,9 @@ Z_ReferenceId **mp::util::get_referenceId(Z_APDU *apdu) /* * Local variables: * c-basic-offset: 4 + * c-file-style: "Stroustrup" * indent-tabs-mode: nil - * c-file-style: "stroustrup" * End: * vim: shiftwidth=4 tabstop=8 expandtab */ +