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authorvandebo@chromium.org <vandebo@chromium.org@0039d316-1c4b-4281-b951-d872f2087c98>2009-10-16 20:08:03 +0000
committervandebo@chromium.org <vandebo@chromium.org@0039d316-1c4b-4281-b951-d872f2087c98>2009-10-16 20:08:03 +0000
commit2f497d2c984fe9c7a646d6d78b04a7c922033f50 (patch)
tree9ed144aa1a4fb14e09b74ed39e680a61679e2ca4 /net/http/http_stream_parser.h
parentcde4e80d78fee0902c0290b2c2a4052e1e7132cd (diff)
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Reverting 29316.
Review URL: http://codereview.chromium.org/292002 git-svn-id: svn://svn.chromium.org/chrome/trunk/src@29320 0039d316-1c4b-4281-b951-d872f2087c98
Diffstat (limited to 'net/http/http_stream_parser.h')
-rw-r--r--net/http/http_stream_parser.h167
1 files changed, 0 insertions, 167 deletions
diff --git a/net/http/http_stream_parser.h b/net/http/http_stream_parser.h
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--- a/net/http/http_stream_parser.h
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@@ -1,167 +0,0 @@
-// Copyright (c) 2009 The Chromium Authors. All rights reserved.
-// Use of this source code is governed by a BSD-style license that can be
-// found in the LICENSE file.
-
-#ifndef NET_HTTP_HTTP_STREAM_PARSER_H_
-#define NET_HTTP_HTTP_STREAM_PARSER_H_
-
-#include <string>
-
-#include "base/basictypes.h"
-#include "net/base/io_buffer.h"
-#include "net/base/upload_data_stream.h"
-#include "net/http/http_chunked_decoder.h"
-#include "net/http/http_response_info.h"
-#include "net/socket/client_socket_handle.h"
-
-namespace net {
-
-class ClientSocketHandle;
-class HttpRequestInfo;
-
-class HttpStreamParser {
- public:
- // Any data in |read_buffer| will be used before reading from the socket
- // and any data left over after parsing the stream will be put into
- // |read_buffer|. The left over data will start at offset 0 and the
- // buffer's offset will be set to the first free byte. |read_buffer| may
- // have its capacity changed.
- HttpStreamParser(ClientSocketHandle* connection,
- GrowableIOBuffer* read_buffer);
- ~HttpStreamParser() {}
-
- // These functions implement the interface described in HttpStream with
- // some additional functionality
- int SendRequest(const HttpRequestInfo* request, const std::string& headers,
- UploadDataStream* request_body, CompletionCallback* callback);
-
- int ReadResponseHeaders(CompletionCallback* callback);
-
- int ReadResponseBody(IOBuffer* buf, int buf_len,
- CompletionCallback* callback);
-
- uint64 GetUploadProgress() const;
-
- HttpResponseInfo* GetResponseInfo();
-
- bool IsResponseBodyComplete() const;
-
- bool CanFindEndOfResponse() const;
-
- bool IsMoreDataBuffered() const;
-
- private:
- // FOO_COMPLETE states implement the second half of potentially asynchronous
- // operations and don't necessarily mean that FOO is complete.
- enum State {
- STATE_NONE,
- STATE_SENDING_HEADERS,
- STATE_SENDING_BODY,
- STATE_REQUEST_SENT,
- STATE_READ_HEADERS,
- STATE_READ_HEADERS_COMPLETE,
- STATE_BODY_PENDING,
- STATE_READ_BODY,
- STATE_READ_BODY_COMPLETE,
- STATE_DONE
- };
-
- // The number of bytes by which the header buffer is grown when it reaches
- // capacity.
- enum { kHeaderBufInitialSize = 4096 };
-
- // |kMaxHeaderBufSize| is the number of bytes that the response headers can
- // grow to. If the body start is not found within this range of the
- // response, the transaction will fail with ERR_RESPONSE_HEADERS_TOO_BIG.
- // Note: |kMaxHeaderBufSize| should be a multiple of |kHeaderBufInitialSize|.
- enum { kMaxHeaderBufSize = 256 * 1024 }; // 256 kilobytes.
-
- // Handle callbacks.
- void OnIOComplete(int result);
-
- // Try to make progress sending/receiving the request/response.
- int DoLoop(int result);
-
- // The implementations of each state of the state machine.
- int DoSendHeaders(int result);
- int DoSendBody(int result);
- int DoReadHeaders();
- int DoReadHeadersComplete(int result);
- int DoReadBody();
- int DoReadBodyComplete(int result);
-
- // Examines |read_buf_| to find the start and end of the headers. Return
- // the offset for the end of the headers, or -1 if the complete headers
- // were not found. If they are are found, parse them with
- // DoParseResponseHeaders().
- int ParseResponseHeaders();
-
- // Parse the headers into response_.
- void DoParseResponseHeaders(int end_of_header_offset);
-
- // Examine the parsed headers to try to determine the response body size.
- void CalculateResponseBodySize();
-
- // Current state of the request.
- State io_state_;
-
- // The request to send.
- const HttpRequestInfo* request_;
-
- // The request header data.
- scoped_refptr<DrainableIOBuffer> request_headers_;
-
- // The request body data.
- scoped_ptr<UploadDataStream> request_body_;
-
- // Temporary buffer for reading.
- scoped_refptr<GrowableIOBuffer> read_buf_;
-
- // Offset of the first unused byte in |read_buf_|. May be nonzero due to
- // a 1xx header, or body data in the same packet as header data.
- int read_buf_unused_offset_;
-
- // The amount beyond |read_buf_unused_offset_| where the status line starts;
- // -1 if not found yet.
- int response_header_start_offset_;
-
- // The parsed response headers.
- HttpResponseInfo response_;
-
- // Indicates the content length. If this value is less than zero
- // (and chunked_decoder_ is null), then we must read until the server
- // closes the connection.
- int64 response_body_length_;
-
- // Keep track of the number of response body bytes read so far.
- int64 response_body_read_;
-
- // Helper if the data is chunked.
- scoped_ptr<HttpChunkedDecoder> chunked_decoder_;
-
- // Where the caller wants the body data.
- scoped_refptr<IOBuffer> user_read_buf_;
- int user_read_buf_len_;
-
- // The callback to notify a user that their request or response is
- // complete or there was an error
- CompletionCallback* user_callback_;
-
- // In the client callback, the client can do anything, including
- // destroying this class, so any pending callback must be issued
- // after everything else is done. When it is time to issue the client
- // callback, move it from |user_callback_| to |scheduled_callback_|.
- CompletionCallback* scheduled_callback_;
-
- // The underlying socket.
- ClientSocketHandle* const connection_;
-
- // Callback to be used when doing IO.
- CompletionCallbackImpl<HttpStreamParser> io_callback_;
-
- DISALLOW_COPY_AND_ASSIGN(HttpStreamParser);
-};
-
-} // namespace net
-
-#endif // NET_HTTP_HTTP_STREAM_PARSER_H_
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