2 * Copyright 2001-2010 Internet2
4 * Licensed under the Apache License, Version 2.0 (the "License");
5 * you may not use this file except in compliance with the License.
6 * You may obtain a copy of the License at
8 * http://www.apache.org/licenses/LICENSE-2.0
10 * Unless required by applicable law or agreed to in writing, software
11 * distributed under the License is distributed on an "AS IS" BASIS,
12 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
13 * See the License for the specific language governing permissions and
14 * limitations under the License.
18 * @file shibsp/handler/RemotedHandler.h
20 * Base class for handlers that need SP request/response layer to be remoted.
23 #ifndef __shibsp_remhandler_h__
24 #define __shibsp_remhandler_h__
26 #include <shibsp/handler/Handler.h>
27 #include <shibsp/remoting/ListenerService.h>
31 namespace xmltooling {
32 class XMLTOOL_API HTTPRequest;
33 class XMLTOOL_API HTTPResponse;
39 * Base class for handlers that need HTTP request/response layer to be remoted.
41 class SHIBSP_API RemotedHandler : public virtual Handler, public Remoted
43 static std::set<std::string> m_remotedHeaders;
46 virtual ~RemotedHandler();
49 * Ensures that a request header will be remoted.
51 * @param header name of request header to remote
53 static void addRemotedHeader(const char* header);
59 * Establishes message remoting using the supplied address.
61 * @param address a unique "address" for remote message handling
63 void setAddress(const char* address);
66 * Wraps a request by creating an outgoing data flow with the data needed
67 * to remote the request information.
69 * @param request an SPRequest to remote
70 * @param headers array of additional request headers to copy to remote request
71 * @param certs true iff client certificates should be available for the remote request
72 * @return the input dataflow object
74 DDF wrap(const SPRequest& request, const std::vector<std::string>* headers=nullptr, bool certs=false) const;
77 * Unwraps a response by examining an incoming data flow to determine
78 * whether a response was produced by the remoted handler.
80 * @param request SP request context
81 * @param out the dataflow object to unpack
82 * @return a pair containing a "request completed" indicator and a server-specific response code
84 virtual std::pair<bool,long> unwrap(SPRequest& request, DDF& out) const;
87 * Builds a new request instance around a remoted data object.
89 * @param in the dataflow object containing the remoted request
90 * @return a call-specific request object based on the input, to be freed by the caller
92 xmltooling::HTTPRequest* getRequest(DDF& in) const;
95 * Builds a new response instance around an outgoing data object.
97 * @param out the dataflow object to be returned by the caller
98 * @return a call-specific response object, to be freed by the caller
100 xmltooling::HTTPResponse* getResponse(DDF& out) const;
102 /** Message address for remote half. */
103 std::string m_address;
107 #endif /* __shibsp_remhandler_h__ */