1 /** @file
2 
3   Declarations for the RemapPlugins class.
4 
5   @section license License
6 
7   Licensed to the Apache Software Foundation (ASF) under one
8   or more contributor license agreements.  See the NOTICE file
9   distributed with this work for additional information
10   regarding copyright ownership.  The ASF licenses this file
11   to you under the Apache License, Version 2.0 (the
12   "License"); you may not use this file except in compliance
13   with the License.  You may obtain a copy of the License at
14 
15       http://www.apache.org/licenses/LICENSE-2.0
16 
17   Unless required by applicable law or agreed to in writing, software
18   distributed under the License is distributed on an "AS IS" BASIS,
19   WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
20   See the License for the specific language governing permissions and
21   limitations under the License.
22 
23  */
24 
25 #pragma once
26 
27 #include "tscore/ink_platform.h"
28 #include "I_EventSystem.h"
29 #include "RemapProcessor.h"
30 #include "RemapPluginInfo.h"
31 #include "HttpTransact.h"
32 #include "ReverseProxy.h"
33 
34 /**
35  * A class that represents a queue of plugins to run
36  **/
37 struct RemapPlugins : public Continuation {
38   RemapPlugins() = default;
RemapPluginsRemapPlugins39   RemapPlugins(HttpTransact::State *s, URL *u, HTTPHdr *h, host_hdr_info *hi)
40     : _s(s), _request_url(u), _request_header(h), _hh_ptr(hi)
41   {
42   }
43 
44   // Some basic setters
45   void
setStateRemapPlugins46   setState(HttpTransact::State *state)
47   {
48     _s = state;
49   }
50   void
setRequestUrlRemapPlugins51   setRequestUrl(URL *u)
52   {
53     _request_url = u;
54   }
55   void
setRequestHeaderRemapPlugins56   setRequestHeader(HTTPHdr *h)
57   {
58     _request_header = h;
59   }
60   void
setHostHeaderInfoRemapPlugins61   setHostHeaderInfo(host_hdr_info *h)
62   {
63     _hh_ptr = h;
64   }
65 
66   int run_remap(int event, Event *e);
67   bool run_single_remap();
68   TSRemapStatus run_plugin(RemapPluginInst *plugin);
69 
70   Action action;
71 
72 private:
73   unsigned _cur            = 0;
74   unsigned _rewritten      = 0;
75   HttpTransact::State *_s  = nullptr;
76   URL *_request_url        = nullptr;
77   HTTPHdr *_request_header = nullptr;
78   host_hdr_info *_hh_ptr   = nullptr;
79 };
80