-
/*
- * $Id: http.h,v 1.34 2008/02/12 23:55:26 rousskov Exp $
- *
- *
- * SQUID Web Proxy Cache http://www.squid-cache.org/
- * ----------------------------------------------------------
- *
- * Squid is the result of efforts by numerous individuals from
- * the Internet community; see the CONTRIBUTORS file for full
- * details. Many organizations have provided support for Squid's
- * development; see the SPONSORS file for full details. Squid is
- * Copyrighted (C) 2001 by the Regents of the University of
- * California; see the COPYRIGHT file for full details. Squid
- * incorporates software developed and/or copyrighted by other
- * sources; see the CREDITS file for full details.
- *
- * This program 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 of the License, or
- * (at your option) any later version.
- *
- * This program 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., 59 Temple Place, Suite 330, Boston, MA 02111, USA.
+ * Copyright (C) 1996-2015 The Squid Software Foundation and contributors
*
+ * Squid software is distributed under GPLv2+ license and includes
+ * contributions from numerous individuals and organizations.
+ * Please see the COPYING and CONTRIBUTORS files for details.
*/
#ifndef SQUID_HTTP_H
#define SQUID_HTTP_H
-#include "StoreIOBuffer.h"
+#include "clients/Client.h"
#include "comm.h"
-#include "forward.h"
-#include "Server.h"
-#include "ChunkedCodingParser.h"
+#include "HttpStateFlags.h"
+
+class ChunkedCodingParser;
+class FwdState;
+class HttpHeader;
-class HttpStateData : public ServerStateData
+class HttpStateData : public Client
{
+ CBDATA_CLASS(HttpStateData);
public:
HttpStateData(FwdState *);
~HttpStateData();
static void httpBuildRequestHeader(HttpRequest * request,
- HttpRequest * orig_request,
StoreEntry * entry,
+ const AccessLogEntryPointer &al,
HttpHeader * hdr_out,
- http_state_flags flags);
+ const HttpStateFlags &flags);
- virtual int dataDescriptor() const;
+ virtual const Comm::ConnectionPointer & dataConnection() const;
/* should be private */
bool sendRequest();
void processReplyHeader();
void processReplyBody();
void readReply(const CommIoCbParams &io);
virtual void maybeReadVirginBody(); // read response data from the network
+
+ // Determine whether the response is a cacheable representation
int cacheableReply();
- peer *_peer; /* peer request made to */
- int eof; /* reached end-of-object? */
- int lastChunk; /* reached last chunk of a chunk-encoded reply */
- HttpRequest *orig_request;
- int fd;
- http_state_flags flags;
+ CachePeer *_peer; /* CachePeer request made to */
+ int eof; /* reached end-of-object? */
+ int lastChunk; /* reached last chunk of a chunk-encoded reply */
+ HttpStateFlags flags;
size_t read_sz;
- int header_bytes_read; // to find end of response,
- int reply_bytes_read; // without relying on StoreEntry
+ int header_bytes_read; // to find end of response,
+ int64_t reply_bytes_read; // without relying on StoreEntry
+ int body_bytes_truncated; // positive when we read more than we wanted
MemBuf *readBuf;
bool ignoreCacheControl;
bool surrogateNoStore;
void processSurrogateControl(HttpReply *);
protected:
- virtual HttpRequest *originalRequest();
+ void processReply();
+ void proceedAfter1xx();
+ void handle1xx(HttpReply *msg);
private:
+ /**
+ * The current server connection.
+ * Maybe open, closed, or NULL.
+ * Use doneWithServer() to check if the server is available for use.
+ */
+ Comm::ConnectionPointer serverConnection;
AsyncCall::Pointer closeHandler;
enum ConnectionStatus {
INCOMPLETE_MSG,
void checkDateSkew(HttpReply *);
bool continueAfterParsingHeader();
+ void truncateVirginBody();
+ virtual void start();
virtual void haveParsedReplyHeaders();
+ virtual bool getMoreRequestBody(MemBuf &buf);
virtual void closeServer(); // end communication with the server
virtual bool doneWithServer() const; // did we end communication?
virtual void abortTransaction(const char *reason); // abnormal termination
+ virtual bool mayReadVirginReplyBody() const;
// consuming request body
virtual void handleMoreRequestBodyAvailable();
void writeReplyBody();
bool decodeAndWriteReplyBody();
+ bool finishingBrokenPost();
+ bool finishingChunkedRequest();
void doneSendingRequestBody();
void requestBodyHandler(MemBuf &);
virtual void sentRequestBody(const CommIoCbParams &io);
- void sendComplete(const CommIoCbParams &io);
+ void wroteLast(const CommIoCbParams &io);
+ void sendComplete();
void httpStateConnClosed(const CommCloseCbParams ¶ms);
void httpTimeout(const CommTimeoutCbParams ¶ms);
- mb_size_t buildRequestPrefix(HttpRequest * request,
- HttpRequest * orig_request,
- StoreEntry * entry,
- MemBuf * mb,
- http_state_flags flags);
+ mb_size_t buildRequestPrefix(MemBuf * mb);
static bool decideIfWeDoRanges (HttpRequest * orig_request);
bool peerSupportsConnectionPinning() const;
ChunkedCodingParser *httpChunkDecoder;
-private:
- CBDATA_CLASS2(HttpStateData);
};
+int httpCachable(const HttpRequestMethod&);
+void httpStart(FwdState *);
+const char *httpMakeVaryMark(HttpRequest * request, HttpReply const * reply);
+
#endif /* SQUID_HTTP_H */
+
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