-/* $Id: filter_bounce.cpp,v 1.1 2006-08-31 13:01:09 marc Exp $
- Copyright (c) 2005-2006, Index Data.
-
- See the LICENSE file for details
- */
+/* This file is part of Metaproxy.
+ Copyright (C) Index Data
+
+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
+*/
+
+/* filter_bounce
+A very simple filter that produces some response, in case no earlier
+filter has done so, a kind of last resort fallback. Also supports dumping
+the request in that response, for debugging and testing purposes
+*/
#include "filter_bounce.hpp"
-#include "package.hpp"
-#include "util.hpp"
+#include <metaproxy/package.hpp>
+#include <metaproxy/util.hpp>
#include "gduutil.hpp"
#include <yaz/zgdu.h>
#include <sstream>
-//#include "config.hpp"
-//#include "filter.hpp"
-
-//#include <boost/thread/mutex.hpp>
-
-
-
-
-
namespace mp = metaproxy_1;
namespace yf = mp::filter;
namespace filter {
class Bounce::Rep {
friend class Bounce;
- bool bounce;
+ bool echo; // indicates that we wish to echo the request in the
+ // HTTP response
};
}
}
yf::Bounce::Bounce() : m_p(new Rep)
{
- m_p->bounce = true;
+ m_p->echo = false;
}
yf::Bounce::~Bounce()
-{ // must have a destructor because of boost::scoped_ptr
+{ // must have a destructor because of boost::scoped_ptr to m_p
}
-void yf::Bounce::process(mp::Package &package) const
-{
- if (! m_p->bounce ){
- package.move();
- return;
+// Dump the http request into the content of the http response
+static void http_echo(mp::odr &odr, Z_GDU *zgdu, Z_GDU *zgdu_res)
+{
+ int len;
+ ODR enc = odr_createmem(ODR_ENCODE);
+ //int r =
+ (void) z_GDU(enc, &zgdu, 0, 0);
+ char *buf = odr_getbuf(enc, &len, 0);
+ //h.db( "\n" + msg + "\n" + std::string(buf,len) );
+ Z_HTTP_Response *hres = zgdu_res->u.HTTP_Response;
+ if (hres)
+ {
+ z_HTTP_header_set(odr, &hres->headers,
+ "Content-Type", "text/plain");
+
+ hres->content_buf = (char*) odr_malloc(odr, len);
+ memcpy(hres->content_buf, buf, len);
+ hres->content_len = len;
}
+ odr_destroy(enc);
+
+}
-
- package.session().close();
+void yf::Bounce::process(mp::Package &package) const
+{
+ package.session().close();
+
Z_GDU *zgdu = package.request().get();
if (!zgdu)
return;
//std::string message("BOUNCE ");
- std::ostringstream message;
+ std::ostringstream message;
message << "BOUNCE " << *zgdu;
- metaproxy_1::odr odr;
+ metaproxy_1::odr odr;
- if (zgdu->which == Z_GDU_Z3950){
- Z_APDU *apdu_res = 0;
+ if (zgdu->which == Z_GDU_Z3950)
+ {
+ Z_APDU *apdu_res = 0;
apdu_res = odr.create_close(zgdu->u.z3950,
Z_Close_systemProblem,
message.str().c_str());
+ // TODO - Some day we may want a dump of the request in some
+ // addinfo in the close response
package.response() = apdu_res;
}
- else if (zgdu->which == Z_GDU_HTTP_Request){
- Z_GDU *zgdu_res = 0;
- zgdu_res
- = odr.create_HTTP_Response(package.session(),
- zgdu->u.HTTP_Request, 400);
-
- //zgdu_res->u.HTTP_Response->content_len = message.str().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,
- // message.str().c_str(), zgdu_res->u.HTTP_Response->content_len);
-
- // z_HTTP_header_add(o, &hres->headers,
- // "Content-Type", content_type.c_str());
- package.response() = zgdu_res;
+ else if (zgdu->which == Z_GDU_HTTP_Request)
+ {
+ Z_GDU *zgdu_res = 0;
+ zgdu_res
+ = odr.create_HTTP_Response(package.session(),
+ zgdu->u.HTTP_Request, 400);
+ if (m_p->echo)
+ {
+ http_echo(odr, zgdu, zgdu_res);
+ }
+ package.response() = zgdu_res;
}
- else if (zgdu->which == Z_GDU_HTTP_Response){
+ else if (zgdu->which == Z_GDU_HTTP_Response)
+ {
}
return;
}
+void mp::filter::Bounce::configure(const xmlNode * ptr, bool test_only,
+ const char *path)
+{
+ for (ptr = ptr->children; ptr; ptr = ptr->next)
+ {
+ if (ptr->type != XML_ELEMENT_NODE)
+ continue;
+ else if (!strcmp((const char *) ptr->name, "echo"))
+ {
+ m_p->echo = mp::xml::get_bool(ptr, 0);
+ }
+ else
+ {
+ throw mp::filter::FilterException
+ ("Bad element '"
+ + std::string((const char *) ptr->name)
+ + "' in bounce filter");
+ }
+ }
+
+}
+
static mp::filter::Base* filter_creator()
{
return new mp::filter::Bounce;
/*
* 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
*/
+
projects / metaproxy-moved-to-github.git / blobdiff