6 * SQUID Web Proxy Cache http://www.squid-cache.org/
7 * ----------------------------------------------------------
9 * Squid is the result of efforts by numerous individuals from
10 * the Internet community; see the CONTRIBUTORS file for full
11 * details. Many organizations have provided support for Squid's
12 * development; see the SPONSORS file for full details. Squid is
13 * Copyrighted (C) 2001 by the Regents of the University of
14 * California; see the COPYRIGHT file for full details. Squid
15 * incorporates software developed and/or copyrighted by other
16 * sources; see the CREDITS file for full details.
18 * This program is free software; you can redistribute it and/or modify
19 * it under the terms of the GNU General Public License as published by
20 * the Free Software Foundation; either version 2 of the License, or
21 * (at your option) any later version.
23 * This program is distributed in the hope that it will be useful,
24 * but WITHOUT ANY WARRANTY; without even the implied warranty of
25 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
26 * GNU General Public License for more details.
28 * You should have received a copy of the GNU General Public License
29 * along with this program; if not, write to the Free Software
30 * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111, USA.
37 #include "StoreIOBuffer.h"
39 #include "comm/forward.h"
42 #include "ChunkedCodingParser.h"
44 class HttpStateData
: public ServerStateData
48 HttpStateData(FwdState
*);
51 static void httpBuildRequestHeader(HttpRequest
* request
,
52 HttpRequest
* orig_request
,
55 http_state_flags flags
);
57 virtual const Comm::ConnectionPointer
& dataDescriptor() const;
58 /* should be private */
60 void processReplyHeader();
61 void processReplyBody();
62 void readReply(const CommIoCbParams
&io
);
63 virtual void maybeReadVirginBody(); // read response data from the network
66 peer
*_peer
; /* peer request made to */
67 int eof
; /* reached end-of-object? */
68 int lastChunk
; /* reached last chunk of a chunk-encoded reply */
69 HttpRequest
*orig_request
;
70 http_state_flags flags
;
72 int header_bytes_read
; // to find end of response,
73 int64_t reply_bytes_read
; // without relying on StoreEntry
74 int body_bytes_truncated
; // positive when we read more than we wanted
76 bool ignoreCacheControl
;
77 bool surrogateNoStore
;
79 void processSurrogateControl(HttpReply
*);
82 virtual HttpRequest
*originalRequest();
85 void proceedAfter1xx();
86 void handle1xx(HttpReply
*msg
);
90 * The current server connection.
91 * Maybe open, closed, or NULL.
92 * Use doneWithServer() to check if the server is available for use.
94 Comm::ConnectionPointer serverConnection
;
95 AsyncCall::Pointer closeHandler
;
96 enum ConnectionStatus
{
98 COMPLETE_PERSISTENT_MSG
,
99 COMPLETE_NONPERSISTENT_MSG
101 ConnectionStatus
statusIfComplete() const;
102 ConnectionStatus
persistentConnStatus() const;
103 void keepaliveAccounting(HttpReply
*);
104 void checkDateSkew(HttpReply
*);
106 bool continueAfterParsingHeader();
107 void truncateVirginBody();
109 virtual void haveParsedReplyHeaders();
110 virtual bool getMoreRequestBody(MemBuf
&buf
);
111 virtual void closeServer(); // end communication with the server
112 virtual bool doneWithServer() const; // did we end communication?
113 virtual void abortTransaction(const char *reason
); // abnormal termination
115 // consuming request body
116 virtual void handleMoreRequestBodyAvailable();
117 virtual void handleRequestBodyProducerAborted();
119 void writeReplyBody();
120 bool decodeAndWriteReplyBody();
121 bool finishingBrokenPost();
122 bool finishingChunkedRequest();
123 void doneSendingRequestBody();
124 void requestBodyHandler(MemBuf
&);
125 virtual void sentRequestBody(const CommIoCbParams
&io
);
126 void wroteLast(const CommIoCbParams
&io
);
128 void httpStateConnClosed(const CommCloseCbParams
¶ms
);
129 void httpTimeout(const CommTimeoutCbParams
¶ms
);
131 mb_size_t
buildRequestPrefix(HttpRequest
* request
,
132 HttpRequest
* orig_request
,
135 http_state_flags flags
);
136 static bool decideIfWeDoRanges (HttpRequest
* orig_request
);
137 bool peerSupportsConnectionPinning() const;
139 ChunkedCodingParser
*httpChunkDecoder
;
141 CBDATA_CLASS2(HttpStateData
);
144 #endif /* SQUID_HTTP_H */