28e2075280
trunk/talk git-svn-id: http://webrtc.googlecode.com/svn/trunk@4318 4adac7df-926f-26a2-2b94-8c16560cd09d
95 lines
3.8 KiB
C++
95 lines
3.8 KiB
C++
// libjingle
|
|
// Copyright 2004--2010, Google Inc.
|
|
//
|
|
// Redistribution and use in source and binary forms, with or without
|
|
// modification, are permitted provided that the following conditions are met:
|
|
//
|
|
// 1. Redistributions of source code must retain the above copyright notice,
|
|
// this list of conditions and the following disclaimer.
|
|
// 2. Redistributions in binary form must reproduce the above copyright notice,
|
|
// this list of conditions and the following disclaimer in the documentation
|
|
// and/or other materials provided with the distribution.
|
|
// 3. The name of the author may not be used to endorse or promote products
|
|
// derived from this software without specific prior written permission.
|
|
//
|
|
// THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR IMPLIED
|
|
// WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF
|
|
// MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO
|
|
// EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
|
|
// SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
|
|
// PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS;
|
|
// OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY,
|
|
// WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR
|
|
// OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF
|
|
// ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
|
|
|
|
#ifndef TALK_BASE_MULTIPART_H__
|
|
#define TALK_BASE_MULTIPART_H__
|
|
|
|
#include <string>
|
|
#include <vector>
|
|
|
|
#include "talk/base/sigslot.h"
|
|
#include "talk/base/stream.h"
|
|
|
|
namespace talk_base {
|
|
|
|
///////////////////////////////////////////////////////////////////////////////
|
|
// MultipartStream - Implements an RFC2046 multipart stream by concatenating
|
|
// the supplied parts together, and adding the correct boundaries.
|
|
///////////////////////////////////////////////////////////////////////////////
|
|
|
|
class MultipartStream : public StreamInterface, public sigslot::has_slots<> {
|
|
public:
|
|
MultipartStream(const std::string& type, const std::string& boundary);
|
|
virtual ~MultipartStream();
|
|
|
|
void GetContentType(std::string* content_type);
|
|
|
|
// Note: If content_disposition and/or content_type are the empty string,
|
|
// they will be omitted.
|
|
bool AddPart(StreamInterface* data_stream,
|
|
const std::string& content_disposition,
|
|
const std::string& content_type);
|
|
bool AddPart(const std::string& data,
|
|
const std::string& content_disposition,
|
|
const std::string& content_type);
|
|
void EndParts();
|
|
|
|
// Calculates the size of a part before actually adding the part.
|
|
size_t GetPartSize(const std::string& data,
|
|
const std::string& content_disposition,
|
|
const std::string& content_type) const;
|
|
size_t GetEndPartSize() const;
|
|
|
|
// StreamInterface
|
|
virtual StreamState GetState() const;
|
|
virtual StreamResult Read(void* buffer, size_t buffer_len,
|
|
size_t* read, int* error);
|
|
virtual StreamResult Write(const void* data, size_t data_len,
|
|
size_t* written, int* error);
|
|
virtual void Close();
|
|
virtual bool SetPosition(size_t position);
|
|
virtual bool GetPosition(size_t* position) const;
|
|
virtual bool GetSize(size_t* size) const;
|
|
virtual bool GetAvailable(size_t* size) const;
|
|
|
|
private:
|
|
typedef std::vector<StreamInterface*> PartList;
|
|
|
|
// StreamInterface Slots
|
|
void OnEvent(StreamInterface* stream, int events, int error);
|
|
|
|
std::string type_, boundary_;
|
|
PartList parts_;
|
|
bool adding_;
|
|
size_t current_; // The index into parts_ of the current read position.
|
|
size_t position_; // The current read position in bytes.
|
|
|
|
DISALLOW_COPY_AND_ASSIGN(MultipartStream);
|
|
};
|
|
|
|
} // namespace talk_base
|
|
|
|
#endif // TALK_BASE_MULTIPART_H__
|