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Diffstat (limited to 'indra/llcorehttp/httpresponse.h')
| -rwxr-xr-x | indra/llcorehttp/httpresponse.h | 166 |
1 files changed, 166 insertions, 0 deletions
diff --git a/indra/llcorehttp/httpresponse.h b/indra/llcorehttp/httpresponse.h new file mode 100755 index 0000000000..f19b521fbf --- /dev/null +++ b/indra/llcorehttp/httpresponse.h @@ -0,0 +1,166 @@ +/** + * @file httpresponse.h + * @brief Public-facing declarations for the HttpResponse class + * + * $LicenseInfo:firstyear=2012&license=viewerlgpl$ + * Second Life Viewer Source Code + * Copyright (C) 2012, Linden Research, Inc. + * + * This library is free software; you can redistribute it and/or + * modify it under the terms of the GNU Lesser General Public + * License as published by the Free Software Foundation; + * version 2.1 of the License only. + * + * This library 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 + * Lesser General Public License for more details. + * + * You should have received a copy of the GNU Lesser General Public + * License along with this library; if not, write to the Free Software + * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA + * + * Linden Research, Inc., 945 Battery Street, San Francisco, CA 94111 USA + * $/LicenseInfo$ + */ + +#ifndef _LLCORE_HTTP_RESPONSE_H_ +#define _LLCORE_HTTP_RESPONSE_H_ + + +#include <string> + +#include "httpcommon.h" + +#include "_refcounted.h" + + +namespace LLCore +{ + +class BufferArray; +class HttpHeaders; + +/// HttpResponse is instantiated by the library and handed to +/// the caller during callbacks to the handler. It supplies +/// all the status, header and HTTP body data the caller is +/// interested in. Methods provide simple getters to return +/// individual pieces of the response. +/// +/// Typical usage will have the caller interrogate the object +/// during the handler callback and then simply returning. +/// But instances are refcounted and and callers can add a +/// reference and hold onto the object after the callback. +/// +/// Threading: Not intrinsically thread-safe. +/// +/// Allocation: Refcounted, heap only. Caller of the constructor +/// is given a refcount. +/// +class HttpResponse : public LLCoreInt::RefCounted +{ +public: + HttpResponse(); + +protected: + virtual ~HttpResponse(); // Use release() + + HttpResponse(const HttpResponse &); // Not defined + void operator=(const HttpResponse &); // Not defined + +public: + /// Returns the final status of the requested operation. + /// + HttpStatus getStatus() const + { + return mStatus; + } + + void setStatus(const HttpStatus & status) + { + mStatus = status; + } + + /// Simple getter for the response body returned as a scatter/gather + /// buffer. If the operation doesn't produce data (such as the Null + /// or StopThread operations), this may be NULL. + /// + /// Caller can hold onto the response by incrementing the reference + /// count of the returned object. + BufferArray * getBody() const + { + return mBufferArray; + } + + /// Set the response data in the instance. Will drop the reference + /// count to any existing data and increment the count of that passed + /// in. It is legal to set the data to NULL. + void setBody(BufferArray * ba); + + /// And a getter for the headers. And as with @see getResponse(), + /// if headers aren't available because the operation doesn't produce + /// any or delivery of headers wasn't requested in the options, this + /// will be NULL. + /// + /// Caller can hold onto the headers by incrementing the reference + /// count of the returned object. + HttpHeaders * getHeaders() const + { + return mHeaders; + } + + /// Behaves like @see setResponse() but for header data. + void setHeaders(HttpHeaders * headers); + + /// If a 'Range:' header was used, these methods are involved + /// in setting and returning data about the actual response. + /// If both @offset and @length are returned as 0, we probably + /// didn't get a Content-Range header in the response. This + /// occurs with various Capabilities-based services and the + /// caller is going to have to make assumptions on receipt of + /// a 206 status. The @full value may also be zero in cases of + /// parsing problems or a wild-carded length response. + /// + /// These values will not necessarily agree with the data in + /// the body itself (if present). The BufferArray object + /// is authoritative for actual data length. + void getRange(unsigned int * offset, unsigned int * length, unsigned int * full) const + { + *offset = mReplyOffset; + *length = mReplyLength; + *full = mReplyFullLength; + } + + void setRange(unsigned int offset, unsigned int length, unsigned int full_length) + { + mReplyOffset = offset; + mReplyLength = length; + mReplyFullLength = full_length; + } + + /// + const std::string & getContentType() const + { + return mContentType; + } + + void setContentType(const std::string & con_type) + { + mContentType = con_type; + } + +protected: + // Response data here + HttpStatus mStatus; + unsigned int mReplyOffset; + unsigned int mReplyLength; + unsigned int mReplyFullLength; + BufferArray * mBufferArray; + HttpHeaders * mHeaders; + std::string mContentType; +}; + + +} // end namespace LLCore + +#endif // _LLCORE_HTTP_RESPONSE_H_ |